JP5184874B2 - Thermal insulation material blowing device and thermal insulation member manufacturing device - Google Patents

Description

  The present invention relates to a heat insulating material blowing device for blowing a fiber heat insulating material into a space constituted by being surrounded by a plurality of walls, and a heat insulating member manufacturing device for manufacturing a heat insulating member by filling the space with a fiber heat insulating material.

  As a method of filling fiber insulation such as glass wool and rock wool into a space to be insulated such as a wall or ceiling of a building, a method of blowing a heat insulating material using a blower has been put into practical use. For example, Patent Document 1 describes a method of making a heat insulation wall by filling glass wool into a space formed by sandwiching a partition with a panel. In this construction method, when filling the space with glass wool, one panel is removed and the part is covered with a net. Then, a hole is made in the net, the tip of the hose extending from the blower is exposed to the space through this hole, and glass wool is blown into the space with compressed air. After that, the heat insulation wall is completed by attaching the removed panel.

Japanese Patent Laid-Open No. 9-32143 (FIG. 2)

  However, in the technique described in Patent Document 1 described above, the net is merely a support member for allowing glass wool to be filled along the panel, and how large is the opening diameter formed in the net. Not listed. When the opening diameter of the net is larger than the particle diameter of the glass wool, part of the granular glass wool scatters to the outside from the opening of the net when the space is filled with the glass wool. When the granular glass wool is scattered, the work environment in which the worker's health is adversely affected, for example, the worker sucks the scattered glass wool, adheres to the worker's body, and “sticks”. Moreover, when performing the said construction method indoors, such as a factory, since granular glass wool disperses, it is necessary to isolate the work place from other work places.

  Then, the objective of this invention is providing the heat insulating material blowing apparatus and heat insulating member manufacturing apparatus which make it difficult to fly outside even if it fills a fiber-type heat insulating material in space.

Insulation material injectors of the present invention, a blower for sending the air, a discharge pipe connected to an exhaust port of the blower, and supplying means for supplying a fiber-based heat insulating material in the discharge pipe, the air inlet of the blower The suction pipe connected to the exhaust pipe, the air discharged from the discharge port of the discharge pipe and the fiber-based heat insulating material are discharged into a space formed by being surrounded by a plurality of walls, and the suction pipe And a cover that covers the entire entrance of the space having a hole through which the suction pipe and the suction pipe are inserted so as to suck air in the space from the suction port. And the net | network with which the several opening which has an opening diameter smaller than the particle size of the said fiber type heat insulating material which covers the said suction inlet was formed in the said suction piping is provided.

  According to this, the inlet of the space is covered by the cover, and even if the fiber-based heat insulating material is sent into the space together with the air from the discharge pipe while sucking the air in the space with the suction pipe, the fiber-based heat insulating material is not connected Difficult to scatter outside. Therefore, the working environment of the worker who fills the fiber-based heat insulating material is improved. Further, it is not necessary to isolate the work place filled with the fiber-based heat insulating material from other work places.

  In this invention, it is preferable that the said suction inlet is separated from the fiber-type heat insulating material discharged | emitted in the said space rather than the said discharge outlet regarding the perpendicular direction. Thereby, it can suppress that the fiber type heat insulating material discharged | emitted from the discharge port is sucked into suction piping. Therefore, clogging of the opening of the net provided at the suction port is suppressed.

  Moreover, in this invention, it is preferable that the said discharge piping and the said suction piping are mutually closely_contact | adhered and comprised integrally in the said space at least. Accordingly, it is possible to move both the discharge pipe and the suction pipe by moving only one of the discharge pipe and the suction pipe, and the position adjustment of the discharge port and the suction port in the space is simplified.

  Moreover, in this invention, it is preferable that the said suction inlet is spaced apart from the said discharge outlet regarding the horizontal direction. Thereby, it can further suppress that the fiber type heat insulating material discharged | emitted from the discharge port is sucked into suction piping. Therefore, clogging of the opening of the net provided at the suction port is further suppressed.

  The heat insulating member manufacturing apparatus of the present invention includes a blower for sending air, a pipe having one end connected to an exhaust port of the blower, a supply means for supplying a fiber-based heat insulating material into the pipe, and a plurality of walls And a heat insulating member precursor having a space formed by being surrounded by these walls, and the other end of the pipe connected to the air and the fiber-based heat insulating material discharged from the pipe. A cover that covers the entire inlet so as to be fed from the inlet, and a first net that covers the entire outlet of the space, in which a plurality of openings having an opening diameter smaller than the particle diameter of the fibrous heat insulating material is formed. I have. Then, at least one of the plurality of walls is formed with one or more through holes that allow the space and the outside to communicate with each other, and the through holes are smaller than the particle size of the fiber-based heat insulating material. The second net is covered with a plurality of openings having a small opening diameter.

  According to this, since the entrance of the space is covered with the cover and the exit of the space is covered with the net, even if the fiber insulation is sent into the space together with the air, the fiber insulation is still in the space. Difficult to scatter outside from the entrance and exit. Therefore, the working environment of the operator who fills the heat insulating member precursor with the fiber heat insulating material is improved. Moreover, it is not necessary to isolate the work place where the fiber-based heat insulating material is filled in the heat insulating member precursor from other work places. Furthermore, since the wall has a through-hole covered with the second mesh, when the fiber-based heat insulating material is filled in the space of the heat-insulating member precursor, air escapes from the space through the through-hole. It becomes easy and a fiber type heat insulating material spreads easily to the whole space of a heat insulation member precursor. Therefore, it becomes possible to manufacture the heat insulation member excellent in heat insulation performance.

  Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a perspective view of a heat insulating member manufacturing apparatus 1 according to the first embodiment of the present invention. FIG. 2 is a partial cross-sectional view of the heat insulating member manufacturing apparatus 1 shown in FIG. In FIG. 1, a part of the heat insulating member manufacturing apparatus 1 is illustrated in an exploded manner, and the configuration of that part is easily understood. As shown in FIG. 1, the heat insulating member manufacturing apparatus 1 includes a heat insulating material blowing device 2 and a heat insulating member precursor 3 attached to the heat insulating material blowing device 2.

  The heat insulation member precursor 3 in this embodiment is a rectangular tube 4 configured by connecting the four outer walls 4a to 4d to each other, and an inner tank configured by connecting the four inner walls 5a to 5d and the ceiling wall 5e to each other. 5. The inner tank 5 is arranged in the rectangular tube 4 so that a predetermined space 6 is formed between the inner walls 5a to 5d and the outer walls 4a to 4d. Each of the outer walls 4a to 4d is formed with two through holes 4e and 4f that allow the space 6 to communicate with the outside. The two through holes 4e and 4f are formed one by one in the vicinity of the upper end central part and in the lower end central part of each of the outer walls 4a to 4d. The through holes 4e and 4f are arranged in the vertical direction. In the through holes 4e and 4f, there is a net (second net) 71 in which a plurality of openings 72 having an opening diameter smaller than the particle diameter of the fiber-based heat insulating material 25 are formed so that only air can be discharged from the space 6. Each is provided. These through holes 4e and 4f are covered with a net 71, respectively.

  In this configuration, in the heat insulating member precursor 3, the upper wall facing the ceiling wall 5e that closes the entrance 6a to the space 6 is filled with the outer walls 4a to 4d after the space 6 is filled with the fiber-based heat insulating material 25 as described later. An annular lower wall that is fixed to the upper end of the space 6 and closes the entire outlet 6b from the space 6 is fixed to the lower ends of the outer walls 4a to 4d and the inner walls 5a to 5d, so that the lower part of the inner tank 5 is opened. It becomes a heat insulation member. The heat insulating member is not limited to a substantially box shape, and may have any shape as long as it has a space surrounded by a plurality of walls. Also, the heat insulating member precursor may have any shape as long as it has a space surrounded by a plurality of walls and having an entrance / exit, similarly to the heat insulating member.

  As shown in FIG. 1, the heat insulating material blowing device 2 includes a blower 7 that sucks air from an intake port 8 and discharges air from an exhaust port 9, and a pipe having one end connected to the exhaust port 9 of the blower 7 ( (First pipe) 10, supply mechanism (supply means) 20 for supplying the fiber-based heat insulating material 25 into the pipe 10, a cover 30 connected to the other end of the pipe 10, and a net (first net) 40 And a support base (discharge member) 50 that supports the net 40 and a pipe (second pipe) 60 having one end connected to the air inlet 8 of the blower 7.

  As shown in FIG. 1, the supply mechanism 20 includes a branch pipe 21 connected to an intermediate portion of the pipe 10 and a hopper 22 provided at the end of the branch pipe 21. With this configuration, the fiber-based heat insulating material 25 put into the hopper 22 is sent to the cover 30 side by the air sent from the blower 7 flowing in the pipe 10. Moreover, the structure of the supply mechanism for supplying the fiber type heat insulating material 25 becomes a simple structure.

  As shown in FIG. 2, the cover 30 has an opening having the same size as the inlet 6 a of the space 6 at the lower end thereof, and covers the entire inlet 6 a of the space 6 of the heat insulating member precursor 3 so as to cover the heat. It is attached to the member precursor 3. With this configuration, the air in the pipe 10 and the fiber-based heat insulating material 25 sent to the cover 30 side by the blower 7 can be sent into the space 6 from the entrance 6a of the space 6 without being scattered outside.

  As shown in FIGS. 1 and 2, the net 40 has a rectangular planar shape that covers the outlet 6 b of the space 6 and the entire opening of the inner tank 5. In addition, the mesh 40 includes a plurality of openings having an opening diameter smaller than the particle diameter of the fiber-based heat insulating material 25 so that only air can be discharged from the space 6 including the position facing the outlet 6 b of the space 6. 41 is formed. A plurality of openings 41 are formed in the net 40 in the present embodiment as a whole, but a plurality of openings 41 may be formed only at positions facing the outlet 6 b of the space 6. Moreover, the net | network may have the substantially same cyclic | annular planar shape as the exit 6b of the space 6, and should just be a shape which can cover the exit 6b.

  As shown in FIGS. 1 and 2, the support base 50 includes a receiving portion 51 having a concave cross section that opens upward, and four foot portions 52 that are respectively fixed to four corners of the receiving portion 51. Yes. At the upper end portion of the receiving portion 51, a step portion 51 a that supports the peripheral end portion of the net 40 from below is formed. The step portion 51a is formed at a position facing the lower end surfaces of the four outer walls 4a to 4d, and supports the heat insulating member precursor 3, the net 40, the cover 30, and the like from below. A through hole 53 is formed at the center of the bottom 50 a of the support base 50. The other end of the pipe 60 is connected to the bottom of the support base 50 so that the pipe 60 and the through hole 53 communicate with each other.

  With this configuration, of the air sent into the space 6 and the fiber-based heat insulating material 25, only air is discharged into the recess of the receiving portion 51 through the net 40, and the discharged air is passed through the through hole 53. Flow into the pipe 60. And the air which flowed into the piping 60 is attracted | sucked by the air blower 7, and is discharged | emitted from the discharge port 9 again. As described above, the heat insulating member manufacturing apparatus 1 has a closed circuit circulation type apparatus configuration, and the fiber-based heat insulating material 25 is hardly scattered outside as described later. In addition, since the suction force of the blower 7 acts on the air in the space 6 and the fiber-based heat insulating material 25, the fiber-based heat insulating material 25 easily spreads over the entire space 6.

  The pipe 60 is connected to a branch pipe 61 extending obliquely upward near one end connected to the intake port 8. The end of the branch pipe 61 is provided with a net 63 in which a plurality of openings 62 having an opening diameter smaller than the particle diameter of the fiber-based heat insulating material 25 are formed. Thereby, the excess air sent to the piping 60 from the receiving part 51 side can be discharged | emitted from the branch pipe 61 outside. Further, since the end portion of the branch pipe 61 is covered with the net 63, even if the fiber-based heat insulating material 25 passes through the opening 41 of the net 40 and flows into the pipe 60, the fiber-based heat insulating material 25 is captured. Can be prevented from being scattered outside.

  Next, a method for manufacturing a heat insulating member by filling the space 6 of the heat insulating member precursor 3 with the fiber heat insulating material 25 will be described below. FIG. 3 is a diagram illustrating a filling state of the fiber-based heat insulating material 25 in the space 6. In order to manufacture the heat insulating member, first, as shown in FIG. 2, the heat insulating member precursor 3 is placed and fixed on the support base 50 via the net 40. And the cover 30 is attached to the upper end of the heat insulation member precursor 3, and the heat insulation member manufacturing apparatus 1 is comprised.

  Next, the blower 7 is driven to discharge air from the exhaust port 9 to create an air flow indicated by three arrows in FIG. Then, the fiber heat insulating material 25 is put into the hopper 22. Then, the fiber-based heat insulating material 25 is sent to the cover 30 side by the air flowing through the pipe 10.

  The air and the fiber-based heat insulating material 25 sent to the cover 30 side are sent from the upper end to the lower end of the space 6 by the air flow indicated by the arrows in FIG. Since the fiber-based heat insulating material 25 sent to the lower end of the space 6 is captured by the net 40 as shown in FIGS. 3 (a) and 3 (b), gradually from the lower end of the space 6 upward. It will be filled. At this time, as shown in FIG. 3 (a), even if the portion of the mesh 40 that faces the outlet 6b is covered with the fiber-based heat insulating material 25 and the air is less likely to be discharged from the outlet 6b to the receiving portion 51 side, Since the through holes 4f covered with the net 71 are formed in 4a to 4d, only air easily escapes to the outside through the through holes 4f and the openings 72. Therefore, since the flow of air flowing from the upper end to the lower end of the space 6 is continued as it is, the fiber-based heat insulating material 25 can easily reach the lower end side of the space 6. Furthermore, since the through holes 4e covered with the net 71 are formed in the outer walls 4a to 4d, only air can easily escape to the outside through the through holes 4e and the openings 72. Therefore, it becomes easy for the fiber-based heat insulating material 25 to reach every corner on the upper end side of the space 6. Therefore, the fiber-based heat insulating material 25 can be filled in the entire space, and a heat insulating member with excellent heat insulating performance can be manufactured. In addition, even if the fiber-based heat insulating material 25 covers the nets 40 and 71, the net 40 is hardly completely covered. Especially, on the net 40 side, the suction force by the blower 7 is acting, so the air in the space 6 is It flows to the receiving part 51 side through the net 40.

  At this time, only air flows from the opening 41 of the mesh 40 through the outlet 6 b of the space 6 to the receiving portion 51 side. The air that has flowed to the receiving portion 51 side passes through the pipe 60 and is sucked into the intake port 8 of the blower 7. Then, the air sucked into the intake port 8 is again discharged to the pipe 10 by the blower 7 and flows into the space 6. In this way, the heat insulating member manufacturing apparatus 1 is a closed circuit circulation type apparatus that sends air discharged from the outlet 6 b of the space 6 to the blower 7 and sends the air to the space 6 again. Therefore, the fiber-based heat insulating material 25 hardly scatters outside.

  Next, after the fiber-based heat insulating material 25 is filled in the entire space, the driving of the blower 7 is stopped. And after removing the cover 30 from the heat insulation member housing 3, the upper wall facing the ceiling wall 5e which closes the entrance 6a to the space 6 is fixed to the upper ends of the outer walls 4a to 4d. Next, after removing the heat insulation member precursor 3 together with the net 40 from the support base 50, these are turned upside down from the state shown in FIG. And after removing the net | network 40 from the heat insulation member precursor 3, the cyclic | annular lower wall which blocks the whole exit 6b of the space 6 is fixed to the outer walls 4a-4d and the inner walls 5a-5d. In this way, the manufacture of the substantially box-shaped heat insulating member in which one of the inner tanks 5 is opened is completed.

  According to the heat insulating member manufacturing apparatus 1 including the heat insulating material blowing apparatus 2 according to the present embodiment as described above, the inlet 6 a of the space 6 is covered with the cover 30, and the outlet 6 b of the space 6 is covered with the net 40. Thus, even if the fiber-based heat insulating material 25 is sent into the space 6 together with the air, the fiber-based heat insulating material 25 is hardly scattered from the inlet 6a and the outlet 6b of the space 6 to the outside. Therefore, the working environment of the worker who fills the fiber-based heat insulating material 25 is improved. Moreover, it is not necessary to isolate the work place filled with the fiber-based heat insulating material 25 from other work places.

  Then, the heat insulation member manufacturing apparatus 201 by 2nd Embodiment of this invention is demonstrated below. FIG. 4 is a schematic configuration diagram of a heat insulating member manufacturing apparatus 201 according to the second embodiment of the present invention. The heat insulating member manufacturing apparatus 201 in the present embodiment includes a heat insulating member precursor 203 having a slightly different configuration from that of the heat insulating member precursor 3 of the first embodiment, and a heat insulating material having a slightly different structure from the heat insulating material blowing device 2 of the first embodiment. And a blowing device 202. In addition, about the thing similar to 1st Embodiment, it attaches | subjects a same sign and abbreviate | omits description.

  In the heat insulating member precursor 203, the through holes 4e and 4f of the first embodiment are not formed, and only an annular lower wall that connects the lower ends of the inner walls 5a to 5d and the outer walls 4a to 4d is provided. Except these, it is the same as that of the heat insulation member precursor 3 of 1st Embodiment.

  As shown in FIG. 4, the heat insulating material blowing device 202 includes a blower 7, a discharge pipe 211 connected to the exhaust port 9 of the blower 7, a suction pipe 212 connected to the intake port 8 of the blower 7, and a cover 230. And a supply mechanism 20 that supplies the fiber-based heat insulating material 25 into the discharge pipe 211. The supply mechanism 20 is the same as that in the first embodiment.

  As shown in FIG. 4, a hole 230 a is formed at the upper end of the cover 230, and air discharged from the discharge port 211 a and the fiber-based heat insulating material 25 are discharged into the space 206 in the hole 230 a. In addition, the exhaust pipe 211 and the suction pipe 212 are inserted so as to suck the air in the space 206 from the suction port 212a. Except this, the cover 230 is substantially the same as the cover 30 of the first embodiment.

  The discharge pipe 211 and the suction pipe 212 are both made of an elastic material and have flexibility. The suction pipe 212 is provided with a net 213 that covers the suction port 212a. The net 213 is formed with a plurality of openings (not shown) having an opening diameter smaller than the particle diameter of the fiber heat insulating material 25 so that only air can be discharged from the space 206.

  As shown in FIG. 4, the discharge pipe 211 and the suction pipe 212 are integrally formed with the portions inserted into the space 206 being in close contact with each other, and the pipes 211 and 212 are separated at a midpoint outside the space 206. And connected to the intake port 8 and the exhaust port 9. Accordingly, it is possible to move both the discharge pipe 211 and the suction pipe 212 by moving only one of the discharge pipe 211 and the suction pipe 212, and the discharge port 211 a and the suction port 212 a in the space 206 can be moved. Position adjustment becomes easy.

  In addition, the suction port 212a is disposed above the lower end of the space 206 above the discharge port 211a with respect to the vertical direction (up and down direction in FIG. 4). In other words, when the fiber-based heat insulating material 25 is discharged into the space 206, the suction port 212a is disposed at a position away from the discharge port 211a. For this reason, it can suppress that the fiber type heat insulating material 25 discharged | emitted from the discharge port 211a is inhaled by the suction piping 212. FIG. Therefore, clogging of the opening of the net 213 is suppressed.

  Next, a method for manufacturing the heat insulating member by filling the space 206 of the heat insulating member precursor 203 with the fiber heat insulating material 25 will be described below. FIG. 5 is a diagram illustrating a filling state of the fiber-based heat insulating material 25 in the space 206. In order to manufacture the heat insulating member, the cover 230 is attached to the upper end of the heat insulating member precursor 203 to constitute the heat insulating member manufacturing apparatus 201. At this time, the discharge pipe 211 and the suction pipe 212 are inserted into the hole 230a so that the discharge port 211a and the suction port 212a are arranged in the vicinity of the lower end of the space 206.

  Next, when the blower 7 is driven to discharge air from the exhaust port 9 and the air is sucked in from the intake port 8, an air flow as indicated by an arrow in FIG. Then, the fiber heat insulating material 25 is put into the hopper 22. Then, the fiber-based heat insulating material 25 is sent to the cover 230 side by the air flowing in the discharge pipe 211.

  The air and the fiber heat insulating material 25 sent to the cover 230 side are discharged from the discharge port 211a of the discharge pipe 211 to the lower end of the space 206. At this time, the fiber-based heat insulating material 25 discharged from the discharge port 211a reaches the entire lower end of the space 206 together with air, and is filled in the entire lower end as shown in FIG. At this time, air in the space 206 is sucked from the suction port 212a of the suction pipe 212, but the suction port 212a is disposed at a position away from the discharge port 211a. It becomes difficult for the fiber-based heat insulating material 25 to be sucked. Further, the air sucked from the suction pipe 212 is again discharged to the discharge pipe 211 by the blower 7 and flows into the space 206. Thus, the heat insulating member manufacturing apparatus 201 and the heat insulating material blowing apparatus 202 become a closed circuit type circulation type apparatus that sends the air in the space 206 to the blower 7 and sends the air to the space 206 again. Therefore, the fiber-based heat insulating material 25 hardly scatters outside.

  In the present embodiment, only one discharge pipe 211 is provided, but a plurality of discharge pipes 211 are provided so that at least one discharge pipe 211 is disposed near the center of each of the outer walls 4a to 4d. May be. In this way, the fiber-based heat insulating material can be effectively filled in every corner of the space 206. In addition, the filling time is shortened and the working efficiency is improved. Similarly, a plurality of suction pipes 212 may be provided.

  Next, as shown in FIG. 5 (b), as the space 206 is filled with the fiber-based heat insulating material 25, the discharge port 211a and the suction port 212a are not buried in the fiber-based heat insulating material 25. In addition, the discharge pipe 211 and the suction pipe 212 are pulled from the outside of the space 206 so as to be separated from the fiber-based heat insulating material 25 filled with the discharge port 211a and the suction port 212a, and gradually from the space 206. Pull out.

  Next, after the entire space 206 is filled with the fiber-based heat insulating material 25, the driving of the blower 7 is stopped. And after removing the cover 230 from the heat insulation member housing 203, the upper wall facing the ceiling wall 5e which closes the entrance 206a to the space 206 is fixed to the upper ends of the outer walls 4a to 4d, and turned upside down. In this way, the manufacture of the substantially box-shaped heat insulating member in which one of the inner tanks 5 is opened is completed.

  According to the heat insulating member manufacturing apparatus 201 including the heat insulating material blowing apparatus 202 according to the present embodiment as described above, the inlet 206a of the space 206 is covered by the cover 230, and the air is discharged while sucking the air in the space 206 through the suction pipe 212. Even if the fiber-based heat insulating material 25 is fed into the space 206 together with air from the pipe 211, the fiber-based heat insulating material 25 is hardly scattered from the inlet 206a of the space 206 to the outside. Therefore, the same effect as the first embodiment can be obtained.

  In the present embodiment, the exhaust pipe 211 and the suction pipe 212 are closely integrated in the space 206, but may be separated from each other in the space 206 as shown in FIG. . FIG. 6 is an essential part enlarged view showing a modification of the heat insulating material blowing device 202 according to the second embodiment.

  As shown in FIG. 6, the discharge pipe 211 and the suction pipe 212 in the heat insulating material blowing device according to this modification are separated from each other in the space 206, and the suction port 212 a is in the horizontal direction (the left-right direction in FIG. 6). Is spaced from the outlet 211a. Specifically, the discharge pipe 211 is disposed between the outer wall 4a and the inner wall 5a, and the suction pipe 212 is disposed between the outer wall 4c and the inner wall 5c. In addition, the vicinity of the hole 230a of the discharge pipe 211 and the suction pipe 212 is only in close contact with the narrow hole 230a.

  Also in this modification, when manufacturing a heat insulation member, the cover 230 is attached to the upper end of the heat insulation member precursor 203 similarly to 2nd Embodiment, and the heat insulation member manufacturing apparatus is comprised. At this time, the discharge port 211a is disposed near the lower end of the space 206 between the outer wall 4a and the inner wall 5a, and the suction port 212a is disposed near the lower end of the space 206 between the outer wall 4c and the inner wall 5c. The The height positional relationship between the discharge port 211a and the suction port 212a is the same as in the second embodiment. Therefore, the same effect can be obtained.

  Next, the blower 7 is driven to discharge air from the exhaust port 9, and air is sucked from the intake port 8. At this time, the air discharged between the outer wall 4a and the inner wall 5a passes between the outer wall 4b and the inner wall 5b and between the outer wall 4d and the inner wall 5d, and is disposed between the outer wall 4c and the inner wall 5c. An air flow is generated in the space 206 so as to be sucked from the suction pipe 212. Then, the fiber-based heat insulating material 25 is introduced into the hopper 22, and the fiber-based heat insulating material 25 is discharged into the space 206 together with air from the discharge pipe 211. At this time, the fiber-based heat insulating material 25 discharged from the discharge port 211 a reaches the entire lower end of the space 206 together with the air, and fills the entire lower end of the space 206. At this time, since the suction port 212a is separated from the discharge port 211a in the horizontal direction, the fiber-based heat insulating material 25 discharged from the discharge port 211a is sucked into the suction pipe 212 as compared with the second embodiment. And can be further suppressed. Therefore, clogging of the net 213 provided in the suction port 212a is further suppressed.

  Next, as the fiber-based heat insulating material 25 is filled in the space 206, as in the second embodiment, the discharge port 211a and the suction port 212a are not buried in the filled fiber-based heat insulating material 25, and The exhaust pipe 211 and the suction pipe 212 are pulled from the outside of the space 206 so as to be separated from the fiber-based heat insulating material 25 filled with the discharge port 211a and the suction port 212a, and gradually pulled out of the space 206. Go.

  Next, after the entire space 206 is filled with the fiber-based heat insulating material 25, the manufacturing of the heat insulating member is completed by performing the same as in the second embodiment.

  The preferred embodiments of the present invention have been described above. However, the present invention is not limited to the above-described embodiments, and various modifications can be made as long as they are described in the claims. For example, in 1st Embodiment mentioned above, although the heat insulating material blowing apparatus 2 has the support stand 50 and the piping 60, it does not need to have these. That is, air may be discharged from the space 6 to the outside via the net 40. The hopper 22 constituting the supply mechanism 20 may be provided with an openable net or lid that prevents the fiber-based heat insulating material 25 from scattering from the hopper 22 to the outside. Thereby, it can prevent that the fiber type heat insulating material 25 is scattered outside from the hopper 22 by the flow of the air which flowed back to the branch pipe 21 side. In addition, either one of the branch pipe 21 and the hopper 22 is provided with a gate that can selectively take a state where the fiber-based heat insulating material 25 charged into the hopper 22 can be supplied into the pipe 10 and an impossible state. Also good. In the first embodiment, two through holes 4e and 4f are provided in each of the four outer walls 4a to 4d, but one or three or more through holes are formed in one to three outer walls. May be.

  Also in the second embodiment, it is possible to fill the heat insulating member precursor 3 of the first embodiment with the fiber heat insulating material 25. In this case, air may be discharged from the space 6 to the outside through the net 40 as in the first embodiment. Furthermore, you may have the support stand 50 and the piping 60 similar to 1st Embodiment. In this case, the suction pipe 212 and the pipe 60 may be connected so as to communicate with each other.

It is a perspective view of the heat insulation member manufacturing device by a 1st embodiment of the present invention. It is a fragmentary sectional view of the heat insulation member manufacturing apparatus shown in FIG. It is a figure which shows the filling condition of the fiber type heat insulating material in the space shown in FIG. It is a schematic block diagram of the heat insulation member manufacturing apparatus by 2nd Embodiment of this invention. It is a figure which shows the filling condition of the fiber type heat insulating material in the space shown in FIG. It is a principal part enlarged view which shows the modification of the heat insulating material blowing apparatus by 2nd Embodiment.

Explanation of symbols

1,201 Heat insulation member manufacturing device 2,202 Heat insulation material blowing device 3,203 Heat insulation member precursor 4a-4d Outer wall (wall)
4e, 4f Through hole 5a-5d Inner wall (wall)
5e Ceiling wall (wall)
6,206 Space 6a, 206a Inlet 6b Outlet 7 Blower 8 Intake port 9 Exhaust port 10 Piping (first piping)
20 Supply mechanism (supply means)
21 Branch pipe 22 Hopper 25 Fiber-based heat insulating material 30, 230 Cover 40 Net (first net)
41 Opening 50 Support stand (discharge member)
60 piping (second piping)
71 network (second network)
72 Opening 211 Discharge piping 211a Discharge port 212 Suction piping 212
212a Suction port 213 Net 230a Hole

Claims (5)

A blower that sends air;
A discharge pipe connected to the exhaust port of the blower;
Supply means for supplying a fiber-based heat insulating material into the discharge pipe;
A suction pipe connected to the air inlet of the blower;
The air discharged from the discharge port of the discharge pipe and the fiber-based heat insulating material are discharged into a space constituted by being surrounded by a plurality of walls, and from the suction port of the suction pipe in the space. A cover for covering the entire entrance of the space having a hole through which the discharge pipe and the suction pipe are inserted so as to suck air;
The heat insulating material blowing device, wherein the suction pipe is provided with a net that covers the suction port and has a plurality of openings having an opening diameter smaller than the particle diameter of the fiber heat insulating material. The heat insulating material blowing device according to claim 1 , wherein the suction port is farther from the fiber-based heat insulating material discharged into the space than the discharge port in the vertical direction. The discharge pipe and the suction pipe, at least the space, blowing insulation material according to claim 1 or 2, characterized in that it is constituted integrally in close contact with each other device. The suction port is the horizontal direction, insulation blowing device according to claim 1 or 2, characterized in that it is spaced from the discharge port. A blower that sends air;
A pipe having one end connected to the exhaust port of the blower;
Supply means for supplying a fiber-based heat insulating material into the pipe;
A plurality of walls and a heat insulating member precursor having a space formed by being surrounded by the walls;
A cover that is connected to the other end of the pipe and covers the entire inlet so that the air discharged from the pipe and the fiber-based heat insulating material are fed from the inlet of the space;
A plurality of openings having an opening diameter smaller than the particle diameter of the fiber-based heat insulating material, the first net covering the entire outlet of the space,
Among the plurality of walls, at least one wall is formed with one or more through holes for communicating the space with the outside.
The heat insulating member manufacturing apparatus, wherein the through-hole is covered with a second net having a plurality of openings having an opening diameter smaller than the particle diameter of the fiber-based heat insulating material.

Images