CN215320729U - Spiral ventilation hose seam hot press unit - Google Patents
Spiral ventilation hose seam hot press unit Download PDFInfo
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- CN215320729U CN215320729U CN202121375777.8U CN202121375777U CN215320729U CN 215320729 U CN215320729 U CN 215320729U CN 202121375777 U CN202121375777 U CN 202121375777U CN 215320729 U CN215320729 U CN 215320729U
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- hot air
- air nozzle
- ventilation hose
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Abstract
The utility model discloses a spiral ventilation hose seam hot-pressing device which comprises a pressing mechanism arranged on a support frame and a heating mechanism arranged at the front end of the pressing mechanism; the heating mechanism comprises a fixing block arranged above the supporting frame and a blowing assembly arranged on the front side of the fixing block in a rotating mode through a connecting piece. The plastic-coated cloth is heated by the blowing assembly to be slightly melted and then pressed, so that the cost is low, the bonding effect is good, and the operation is simple.
Description
Technical Field
The utility model relates to the technical field of tunnel ventilation hose preparation equipment, in particular to a hot-pressing device for seams of spiral ventilation hoses.
Background
The ventilation pipe is usually used in the tunnel construction process, the conventional ventilation hose is directly curled by plastic-coated cloth to form a circle, a pipe seam exists on the curled pipe body, the pipe seam is formed by two layers of curled plastic-coated cloth, and the pipe seam needs to be sealed. The existing sewing pipe seam is usually carried out in an adhesive and sewing mode, the adhesive labor cost is too high, the quality is unstable, the pipe seam is easy to expand and crack when wind power is large, the firmness is poor, glue can be cured after drying, the flexibility of a ventilation pipe is influenced, and sewing needle holes are easy to break due to air leakage, so that the requirement of long-distance tunnel ventilation cannot be met.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a spiral ventilation hose seam hot pressing device, which performs a seam connection in a spiral hot pressing manner, and has a good seam sealing performance and is convenient to operate.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a hot pressing device for seams of spiral ventilation hoses comprises a pressing mechanism arranged on a support frame and a heating mechanism arranged at the front end of the pressing mechanism; the heating mechanism comprises a fixing block arranged above the supporting frame and a blowing assembly arranged on the front side of the fixing block in a rotating mode through a connecting piece.
According to the technical scheme, a pipe seam of the ventilation hose needs to be sealed in the preparation process, the heating mechanism heats two layers of plastic-coated cloth at the pipe seam, so that the contact surfaces of the two layers of plastic-coated cloth are slightly melted, and then the two layers of plastic-coated cloth are pressed and bonded together by the pressing mechanism; hot air is blown to the pipe seam through the blowing assembly so as to perform press-fit sealing, so that the cost is low and the sealing effect is good; the rotatable setting of subassembly of blowing makes things convenient for the position of adjusting the subassembly of blowing.
Preferably, the connecting piece comprises a connecting disc fixedly arranged on the fixing block, an adjusting disc connected with the connecting disc and a connecting cylinder fixedly arranged on the adjusting disc; two symmetrical arc-shaped adjusting holes are formed in the adjusting disc, and two bolts corresponding to the adjusting holes are arranged on the connecting disc; the bolt penetrates through the adjusting hole in the adjusting disc, and the adjusting disc is rotatably connected to the connecting disc through a nut.
The connecting cylinder is used for installing the blowing assembly, and the connecting cylinder is manually rotated to enable the adjusting disc to rotate relative to the connecting disc, so that the position of the bolt relative to the adjusting hole is changed.
Preferably, the blowing assembly comprises a connecting rod sleeved in the connecting cylinder, an installation frame fixedly arranged at the bottom of the connecting rod, a hot air gun arranged on the installation frame and a hot air nozzle arranged at the bottom of the hot air gun; the connecting rod and the connecting cylinder are tightly fixed through a screw. The hot-blast rifle produces steam and passes through hot-blast nozzle blowout and heat it between the two-layer plastic-coated cloth of pipe seam department, and whole subassembly of blowing is arc motion through rotating the connecting rod for carry out position control.
Preferably, the hot air nozzle is made of a heat conducting material and is in a hollow right-angle fan shape; a plurality of air outlet holes are uniformly distributed on the radian side surface of the hot air nozzle, and the radian side surface of the hot air nozzle faces the pressing mechanism; the hot air nozzle is communicated with the hot air gun through a branch pipe. The hot air nozzle is positioned between the two layers of plastic-coated cloth at the pipe seam, hot air generated by the hot air gun enters the hot air nozzle through the branch pipe, the bottom plate of the hot air nozzle has certain temperature due to the thermal conductivity of the hot air nozzle and can heat the plastic-coated cloth below the hot air nozzle, hot air is blown out through the air outlet to heat the upper layer of plastic-coated cloth, the contact surfaces of the upper layer of plastic-coated cloth and the lower layer of plastic-coated cloth are heated and partially melted, the plastic-coated cloth at the pipe seam is pressed together more easily, and the sealing effect of the pipe seam is improved; the upper side surface of the hot air nozzle is designed into an arc shape, so that the bottom of the hot air nozzle forms a sharp angle, and the hot air nozzle can enter between two layers of plastic coated cloth more conveniently.
Preferably, the pressing mechanism comprises a squeezing roller and an auxiliary roller arranged right below the squeezing roller; the extrusion roller is driven by a transmission mechanism to rotate, and the auxiliary roller is rotatably arranged on a rotating shaft fixed on the supporting frame. And the plastic-coated cloth after hot melting is extruded and bonded between the extrusion roller and the auxiliary roller, and the extrusion roller rotates to convey the pressed ventilation hose backwards.
Preferably, the transmission mechanism comprises a fixed shaft connected with the squeezing roller, a driven gear arranged at the other end of the fixed shaft and a driving gear matched with the driven gear through a chain, and the driving gear is driven by a rotating motor; the fixed shaft is arranged on the support frame through a bearing seat. The rotating motor drives the driving gear to rotate and drives the driven gear to rotate through the chain, and the fixed shaft rotates along with the driven gear and drives the extrusion roller to rotate.
The utility model has the beneficial effects that:
according to the utility model, the plastic-coated cloth is heated by the blowing assembly to be slightly melted and then pressed, so that the cost is low and the bonding effect is good; the design of the hot air nozzle is more convenient for the hot air nozzle to enter between two layers of plastic-coated cloth at the pipe seam, and the upper and lower layers of plastic-coated cloth can be simultaneously heated, so that the pipe seam is more tightly attached, and the utilization rate of hot air is improved. The utility model has simple operation and good pressing effect on the pipe seam of the ventilation hose.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the heating mechanism;
FIG. 3 is a top view of the adjustment dial;
FIG. 4 is a schematic structural view of a hot air nozzle;
fig. 5 is a schematic view of the connection of the auxiliary roller.
In the figure: the device comprises a supporting frame 1, a squeezing roller 2, an auxiliary roller 3, a fixing block 4, an adjusting disc 5, an adjusting hole 6, a nut 7, a connecting cylinder 8, a connecting rod 9, a mounting frame 10, a hot air gun 11, a hot air nozzle 12, a fixed shaft 13, a driven gear 14, a chain 15, a driving gear 16, a rotating motor 17, a connecting disc 18, a screw 19 and a rotating shaft 20.
Detailed Description
The utility model is further described below with reference to the figures and examples.
As shown in fig. 1-5, a hot pressing device for a seam of a spiral ventilation hose comprises a pressing mechanism arranged on a support frame 1 and a heating mechanism arranged at the front end of the pressing mechanism. The heating mechanism comprises a fixing block 4 arranged above the support frame 1 and a blowing assembly arranged on the front side of the fixing block 4 in a rotating mode through a connecting piece.
The connecting piece comprises a connecting disc 18 fixedly arranged on the fixing block 4, an adjusting disc 5 connected with the connecting disc 18 and a connecting cylinder 8 fixedly arranged on the adjusting disc 5; two symmetrical arc-shaped adjusting holes 6 are formed in the adjusting disc 5, and two bolts corresponding to the adjusting holes 6 are fixedly arranged on the connecting disc 18; the bolt passes through the adjusting hole 6 on the adjusting disk 5 and is clamped and fixed by the nut 7, so that the adjusting disk 5 can be rotatably connected on the connecting disk 18, and the arc-shaped adjusting hole 6 on the adjusting disk 5 rotates along the bolt in the rotating process.
The blowing assembly comprises a connecting rod 9 sleeved in the connecting cylinder 8, an installation frame 10 fixedly arranged at the bottom of the connecting rod 9, a hot air gun 11 arranged on the installation frame 10 and a hot air nozzle 12 arranged at the bottom of the hot air gun 11; the connecting rod 9 and the connecting cylinder 8 are tightly pressed and fixed through a screw 19. The hot air gun 11 is a prior art, and the air outlet direction of the hot air gun 11 is changed by the hot air nozzle 12.
The hot air nozzle 12 is made of heat-conducting material, such as stainless steel, and is in the shape of a hollow right-angled fan; a plurality of air outlet holes are uniformly distributed on the radian side surface of the hot air nozzle 12, the radian side surface of the hot air nozzle 12 faces the pressing mechanism, and the hot air nozzle 12 is communicated with the hot air gun 11 through a branch pipe. During the working process, the hot air nozzle 12 is positioned between two layers of plastic-coated cloth at the pipe seam, and the bottom of the hot air nozzle 12 is in an acute angle shape, so that the hot air nozzle can enter between the two layers of plastic-coated cloth more conveniently.
The pressing mechanism comprises a squeezing roller 2 and an auxiliary roller 3 arranged right below the squeezing roller 2; the extrusion roller 2 is driven by a transmission mechanism to rotate, the auxiliary roller 3 is rotatably sleeved on the rotating shaft 20, and the rotating shaft 20 is fixed on the support frame 1 through the connecting rod 9.
The transmission mechanism comprises a fixed shaft 13 connected with the squeezing roller 2, a driven gear 14 arranged at the other end of the fixed shaft 13 and a driving gear 16 matched with the driven gear 14 through a chain 15, and the driving gear 16 is driven by a rotating motor 17; the fixed shaft 13 is arranged on the support frame 1 through a bearing seat.
The working principle of the utility model is as follows: the pipe seam of the plastic-coated cloth sequentially passes through the heating mechanism and the pressing mechanism, the hot air nozzle 12 is positioned between two layers of plastic-coated cloth at the pipe seam, the hot air gun 11 is started, hot air enters the hot air nozzle 12 through the branch pipe, then the plastic-coated cloth above the hot air nozzle is discharged from the air outlet and is heated and slightly melted, meanwhile, the hot air entering the hot air nozzle 12 heats the bottom of the hot air nozzle to heat the lower layer of plastic-coated cloth, the plastic-coated cloth is driven to move backwards under the action of the extrusion roller 2 and the auxiliary roller 3, the two layers of plastic-coated cloth in a slightly melted state are pressed when the plastic-coated cloth passes through the extrusion roller 2, and the pipe seam is sealed.
The apparatus elements referred to in the above embodiments are conventional apparatus elements unless otherwise specified, and the structural arrangements, operations, or controls referred to in the above embodiments are conventional in the art unless otherwise specified.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. A spiral ventilation hose seam hot pressing device is characterized by comprising a pressing mechanism arranged on a support frame and a heating mechanism arranged at the front end of the pressing mechanism; the heating mechanism comprises a fixing block arranged above the supporting frame and a blowing assembly arranged on the front side of the fixing block in a rotating mode through a connecting piece.
2. The spiral ventilation hose seam hot pressing device as claimed in claim 1, wherein the connecting member comprises a connecting disc fixedly arranged on the fixing block, an adjusting disc connected with the connecting disc and a connecting cylinder fixedly arranged on the adjusting disc; two symmetrical arc-shaped adjusting holes are formed in the adjusting disc, and two bolts corresponding to the adjusting holes are arranged on the connecting disc; the bolt penetrates through the adjusting hole in the adjusting disc, and the adjusting disc is rotatably connected to the connecting disc through a nut.
3. The spiral ventilation hose seam hot-pressing device as claimed in claim 2, wherein the blowing assembly comprises a connecting rod sleeved in the connecting cylinder, a mounting rack fixedly arranged at the bottom of the connecting rod, a hot air gun arranged on the mounting rack and a hot air nozzle arranged at the bottom of the hot air gun; the connecting rod and the connecting cylinder are tightly fixed through a screw.
4. The spiral ventilation hose seam hot pressing device as claimed in claim 3, wherein the hot air nozzle is made of heat conductive material and is in the shape of a hollow right-angled fan; a plurality of air outlet holes are uniformly distributed on the radian side surface of the hot air nozzle, and the radian side surface of the hot air nozzle faces the pressing mechanism; the hot air nozzle is communicated with the hot air gun through a branch pipe.
5. The spiral ventilation hose seam hot pressing device according to claim 1, wherein the pressing mechanism comprises a pressing roller and an auxiliary roller arranged right below the pressing roller; the extrusion roller is driven by a transmission mechanism to rotate, and the auxiliary roller is rotatably arranged on a rotating shaft fixed on the supporting frame.
6. The spiral ventilation hose seam hot pressing device as claimed in claim 5, wherein the transmission mechanism comprises a fixed shaft connected with the squeezing roller, a driven gear arranged at the other end of the fixed shaft and a driving gear matched with the driven gear through a chain, and the driving gear is driven by a rotating motor; the fixed shaft is arranged on the support frame through a bearing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121375777.8U CN215320729U (en) | 2021-06-21 | 2021-06-21 | Spiral ventilation hose seam hot press unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121375777.8U CN215320729U (en) | 2021-06-21 | 2021-06-21 | Spiral ventilation hose seam hot press unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215320729U true CN215320729U (en) | 2021-12-28 |
Family
ID=79559717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121375777.8U Active CN215320729U (en) | 2021-06-21 | 2021-06-21 | Spiral ventilation hose seam hot press unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215320729U (en) |
-
2021
- 2021-06-21 CN CN202121375777.8U patent/CN215320729U/en active Active
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