CN214239606U - Hot air seam sealing machine with sealing strip positioning function - Google Patents

Abstract

The application discloses a hot air seam sealing machine with a sealing strip positioning function, which relates to the technical field of cloth sealing processing equipment and solves the problem that a sealing strip is easy to generate offset shaking and affect the sealing effect; a driving piece for driving the upper pinch roller to rotate is arranged on the mounting column; a winding disc is rotatably arranged at the top of the mounting column, and a sealing strip is wound on the winding disc; the mounting column is provided with a conveying pipe, and the rack is provided with an air heater; a nozzle is arranged at one end of the conveying pipe far away from the air heater; the mounting column is provided with a friction wheel, and the sealing strip is arranged between the upper pressing wheel and the friction wheel in a penetrating way; and a positioning device for the sealing strip to movably pass through is arranged on the side wall of one end of the mounting column, which is close to the upper pressing wheel. This application can effectively improve the sealed effect of sealing strip to the cloth.

Description

Hot air seam sealing machine with sealing strip positioning function

Technical Field

The application relates to the technical field of cloth sealing processing equipment, in particular to a hot air seam sealing machine with a sealing strip positioning function.

Background

In the production process of outdoor articles, such as camping tents, the seams of the cloth often need to be sealed to achieve the waterproof and sealing effect, and the outdoor article is suitable for variable outdoor environments.

Referring to the chinese utility model with the bulletin number CN201085088Y, a hot air seam sealing machine is disclosed, which comprises a frame, a cantilever beam is arranged in the frame, an upper pinch roller is arranged at the lower part of the left end of the cantilever beam, a hot air nozzle is arranged in the front of the left end of the cantilever beam, a power assembly is arranged at the right side of the frame, a rotatable 'U' -shaped driving arm is arranged at the left side of the power assembly, a transmission mechanism is arranged in the 'U' -shaped driving arm, and the end of the transmission mechanism is connected with a lower pinch roller.

In the working process, when the sewing part of the cloth passes through between the lower pressing wheel and the upper pressing wheel, hot air is sprayed to the lower pressing wheel and between the upper pressing wheels by the hot air nozzle, meanwhile, the sealing strip with hot melt adhesive is melted and adhered to the sewing part of the cloth under the hot air spraying, and the sealing strip is conveyed to pass through between the lower pressing wheel and the upper pressing wheel and is compressed and sealed.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: after hot air injection is carried out on the sealing strip on the sealing machine, when hot melt adhesive on the sealing strip is adhered to cloth, the sealing strip is easy to deviate and shake relative to the sewing position on the cloth, the adhesion flatness is poor, and the sealing effect is affected.

SUMMERY OF THE UTILITY MODEL

In order to improve the sealing effect of sealing strip to the cloth, this application provides a hot-blast seam sealing machine with sealing strip locate function.

The application provides a hot-blast seam sealing machine with sealing strip locate function adopts following technical scheme:

a hot air seam sealing machine with a sealing strip positioning function comprises a rack, a workbench arranged on the rack and a cantilever beam arranged on the workbench, wherein an installation column is arranged on the cantilever beam, an upper pressing wheel is arranged at the bottom of the installation column, and a lower pressing wheel butted with the upper pressing wheel is arranged on the workbench; a driving piece for driving the upper pressing wheel to rotate is arranged on the mounting column;

a winding disc is rotatably installed at the top of the installation column, and a sealing strip with hot melt adhesive is wound on the winding disc; the mounting column is provided with a conveying pipe, and the rack is provided with an air heater for conveying hot air to the conveying pipe; a nozzle for spraying hot air in alignment between the upper pressing wheel and the lower pressing wheel is arranged at one end of the conveying pipe, which is far away from the air heater;

the mounting column is provided with a friction wheel with the axis parallel to the axis of the upper pinch roller, and the sealing strip is arranged between the upper pinch roller and the friction wheel in a penetrating way;

and a positioning device for the sealing strip to movably penetrate is arranged on the side wall of one end, close to the upper pressing wheel, of the mounting column.

By adopting the technical scheme, when the sewing part of the cloth is sealed, the nozzle is aligned between the upper pressing wheel and the lower pressing wheel, and meanwhile, the sealing strip with the hot melt adhesive passes through the upper pressing wheel and the friction wheel after being guided by the positioning device and is adhered to the sewing part of the cloth by the injection of hot air; then, after being rolled by an upper pressing wheel and a lower pressing wheel, the cloth is tightly attached to the sewing position of the cloth; the sealing work is completed, and in the process, the sealing strip is always arranged in the positioning device in a penetrating mode, so that the pasting process is kept stable, and the sealing effect is improved.

Optionally, the positioning device includes a fixed plate, a positioning plate mounted on one side of the fixed plate, a movable plate mounted on the fixed plate and parallel to the positioning plate, and an adjusting member for adjusting a distance between the positioning plate and the movable plate; the fixed plate is vertically connected to the outer wall, close to the upper pinch roller, of the mounting column, and the plane where the fixed plate is located is parallel to the axis of the upper pinch roller; the movable plate is movably arranged along the axial direction of the upper pinch roller; the sealing strip is movably arranged between the positioning plate and the movable plate in a penetrating way.

By adopting the technical scheme, the sealing strip is movably arranged between the positioning plate and the movable plate in a penetrating manner, and plays a role in guiding the sealing strip; after the sealing strips with different widths are replaced, the distance between the positioning plate and the movable plate is adjusted through the adjusting piece, and the application range is widened.

Optionally, the adjusting part comprises a screw and a rotating column for driving the screw to rotate; one end of the screw rod is rotatably connected to the positioning plate, the other end of the screw rod penetrates through the movable plate, and the end of the screw rod is in threaded connection with the movable plate; the fixed plate is provided with a dovetail groove for the positioning plate to slide along the axis of the upper pinch roller, and the movable plate is correspondingly provided with a sliding block sliding in the dovetail groove.

Through adopting above-mentioned technical scheme, the drive rotates the post and rotates, can make the fly leaf remove along the screw rod axis, and then adjusts the interval of fly leaf and locating plate, and easy operation is convenient.

Optionally, the one end that locating plate and fly leaf are close to each other all is provided with the circular arc piece that supplies the sealing strip butt, the circular arc piece is worn to locate by the screw rod.

Through adopting above-mentioned technical scheme, the both ends of sealing strip width are set up all the time on the circular arc piece, avoid sealing strip and screw rod contact, reduce the friction.

Optionally, a cross rod is rotatably mounted at one end of the positioning plate, which is far away from the arc block, and the rotation axis of the cross rod is perpendicular to the axial direction of the screw rod; one end of the cross rod is rotatably connected with the positioning plate, the other end of the cross rod is erected on the movable plate, one end of the cross rod, which is far away from the movable plate, is connected with a poke rod, and the positioning plate is provided with an elastic piece which always pushes the poke rod to enable the cross rod to rotate towards the movable plate; the sealing strip is slidably arranged between the cross rod and the arc block in a penetrating mode.

By adopting the technical scheme, the sealing strip cannot be separated from the space between the movable plate and the positioning plate at first through the arrangement of the cross rod, so that the working stability is kept; the cross rod is rotatably arranged, so that the sealing strip is conveniently placed between the movable plate and the positioning plate; and the cross bar is kept stable under the action of the elastic piece.

Optionally, the elastic member comprises a torsion spring; a rotating groove is formed in the positioning plate, a fixed shaft is arranged in the rotating groove, and one end of the cross rod is rotatably sleeved on the fixed shaft; one end of the poke rod is vertically connected with the end part of the cross rod; the torsion spring is sleeved on the fixed shaft, one end of the torsion spring is connected to the poke rod, and the other end of the torsion spring is connected to the positioning plate; under the effect of torsional spring, the horizontal pole has the trend of rotating towards the fly leaf all the time.

Through adopting above-mentioned technical scheme, the horizontal pole has orientation fly leaf pivoted trend all the time under the effect of torsional spring, and then makes the horizontal pole stably set up on the movable rod.

Optionally, the movable plate is provided with a positioning groove for clamping the cross rod.

Through adopting above-mentioned technical scheme, the tip joint of horizontal pole can keep the stability of horizontal pole in the course of the work in the constant head tank.

Optionally, one end of the poke rod, which is far away from the cross rod, is provided with a poke sheet.

Through adopting above-mentioned technical scheme, the setting of setting up of stirring the piece can increase the application of force area of finger, the operation of being convenient for.

Optionally, the cantilever beam is provided with the tensioning strip that supplies the sealing strip to pass above positioner, the tensioning strip is the bow font, and wholly is the slope form.

Through adopting above-mentioned technical scheme, wear to locate the sealing strip different heights on the tensioning strip, can adjust the tensioning degree of sealing strip.

Optionally, a slope is arranged on one side, close to the operation of the worker, of the lower pressing wheel of the workbench, the upper end of the slope is close to the lower pressing wheel and is lower than the highest point of the upper pressing wheel, and the lower end of the slope is flush with the workbench.

Through adopting above-mentioned technical scheme, with placing on the slope of cloth to in order to aim at the seam of cloth between last pinch roller and the pinch roller.

In summary, the present application includes at least one of the following benefits:

1. when the sewing position of the cloth is sealed, the nozzle is aligned between the upper pressing wheel and the lower pressing wheel, and meanwhile, the sealing strip with the hot melt adhesive passes through the upper pressing wheel and the friction wheel after being guided by the positioning device and is adhered to the sewing position of the cloth by hot air injection; then, after being rolled by an upper pressing wheel and a lower pressing wheel, the cloth is tightly attached to the sewing part of the cloth, and the sealing work is finished; in the process, the sealing strip is always arranged in the positioning device in a penetrating manner, so that the pasting process is stable, and the sealing effect is improved;

2. through the arrangement of the cross rod, the sealing strip cannot be separated from the position between the movable plate and the positioning plate;

3. through the setting of tensioning strip, can adjust the tensioning degree of sealing strip, keep the straight state of sealing strip.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic structural diagram of the mounting post and the positioning device in the present embodiment;

fig. 3 is an exploded view of the positioning device in this embodiment.

Description of reference numerals: 1. a frame; 11. a work table; 111. a lower pinch roller; 112. a slope; 12. a cantilever beam; 121. tensioning the strip; 2. mounting a column; 21. an upper pinch roller; 22. a friction wheel; 23. a drive member; 231. a driving wheel; 232. a drive motor; 24. a winding disc; 25. a sealing strip; 26. a delivery pipe; 27. a nozzle; 28. a hot air blower; 3. a positioning device; 31. a fixing plate; 311. a dovetail groove; 32. positioning a plate; 321. a rotating groove; 322. a fixed shaft; 33. a movable plate; 331. a slider; 332. positioning a groove; 34. an adjustment member; 341. a screw; 342. rotating the column; 35. an arc block; 36. a cross bar; 37. a torsion spring; 38. a poke rod; 39. a toggle sheet.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a hot air seam sealing machine with a sealing strip positioning function. Referring to fig. 1, the heat sealing machine includes a frame 1, a horizontally disposed worktable 11 integrally connected to the frame 1, and a cantilever beam 12 installed on the worktable 11. The end of the cantilever beam 12 is fixed with the vertical mounting column 2 by bolts.

Referring to fig. 1, an upper pressure wheel 21 is installed on one side wall of the bottom of the mounting column 2 close to the cantilever beam 12, a friction wheel 22 with an axis parallel to the upper pressure wheel 21 is also installed on the side wall, and the friction wheel 22 is close to one side where the worker works. A lower pinch roller 111 abutting against the upper pinch roller 21 is mounted on the table 11. The mounting column 2 is also provided with a driving part 23 for driving the upper pressure wheel 21 to rotate.

Referring to fig. 1, the driving member 23 includes a driving wheel 231 and a driving motor 232. The driving motor 232 is fixed to the mounting post 2 by a bolt, and a driving shaft of the driving motor 232 is connected to the driving pulley 231. The axis of the driving wheel 231 is parallel to the upper pressure wheel 21 and is attached to the upper pressure wheel 21. The driving motor 232 drives the driving wheel 231 to rotate, and further drives the upper pressure wheel 21 to rotate.

Referring to fig. 1, a bracket is fixed on the top of the mounting column 2 through a bolt, a winding disc 24 is rotatably mounted on the bracket, and the axis of the winding disc 24 is parallel to the upper pressing wheel 21. The take-up reel 24 is provided with a sealing strip 25 with hot melt adhesive.

Referring to fig. 1, a duct 26 is connected to the mounting post 2, and a hot air blower 28 for supplying hot air to the duct 26 is installed at the bottom of the housing 1. One end of the conveying pipe 26 penetrates through the cantilever beam 12 and extends to the bottom of the machine frame 1 to be communicated with the air heater 28, the other end of the conveying pipe winds on the workbench 11, and the end is connected with a nozzle 27 through a clamping hoop. A support frame for supporting the spraying is fixed on the cantilever beam 12 through bolts. The nozzle 27 is aligned between the upper pinch roller 21 and the lower pinch roller 111, and sprays hot air to the weatherstrip 25. In another embodiment, a heating resistor may be provided in the nozzle 27 to generate heat by energization, and then the hot air may be blown by a blower to shorten the path of the hot air.

Referring to fig. 1, a tension bar 121 is mounted on the cantilever beam 12 directly above the upper pressure wheel 21, and the tension bar 121 is made of a plurality of metal rods bent in a shape of Chinese character 'gong'. One end of the tension strip 121 is fixed on the cantilever beam 12 through a bolt; and the tension bar 121 is inclined as a whole. When the sealing strip 25 passes through different height positions of the tensioning strip 121, the tensioning degree of the sealing strip 25 can be adjusted.

Referring to fig. 1, one end of the mounting column 2 close to the upper press wheel 21 is provided with a positioning device 3 for clamping the sealing strip 25, the positioning device 3 is positioned below the tensioning strip 121, and the sealing strip 25 can movably pass through the positioning device 3.

Referring to fig. 1, a slope 112 is disposed on one side of the lower pressing wheel 111 close to the worker on the workbench 11, the upper end of the slope 112 is close to the lower pressing wheel 111 and is lower than the highest point of the lower pressing wheel 111, and the lower end of the slope 112 is flush with the workbench 11 and is far away from the lower pressing wheel 111. When the sewing position of the cloth is sealed, the cloth extends into the space between the upper pressing wheel 21 and the lower pressing wheel 111 along the slope 112; in the process, the nozzle 27 is aligned between the upper pressing wheel 21 and the lower pressing wheel 111, and meanwhile, the sealing strip 25 with hot melt adhesive passes through the upper pressing wheel 21 and the friction wheel 22 after being guided and positioned by the positioning device 3, and is adhered to the sewing part of the cloth by hot air injection; and then, after being rolled by the upper pressing wheel 21 and the lower pressing wheel 111, the cloth is tightly attached to the sewing position of the cloth.

Referring to fig. 1 and 2, the positioning device 3 includes a fixed plate 31, a positioning plate 32 welded and fixed to one side of the fixed plate 31, a movable plate 33 sliding on the fixed plate 31 in parallel with the positioning plate 32, and an adjusting member 34 adjusting a distance between the positioning plate 32 and the movable plate 33. The fixing plate 31 is vertically fixed on the mounting column 2 through bolts, and the plane of the fixing plate 31 is parallel to the axis of the upper pressing wheel 21.

Referring to fig. 2 and 3, the positioning plate 32 is welded and fixed to one side of the fixing plate 31 close to the mounting post 2, and the positioning plate 32 faces one side close to the worker. The fixing plate 31 is provided with a dovetail groove 311 for the positioning plate 32 to slide along the axial direction of the upper press wheel 21, and the dovetail groove 311 is located at the middle position of the fixing plate 31. Slide blocks 331 sliding in the dovetail grooves 311 are integrally connected to the positioning plate 32.

Referring to fig. 3, the adjusting member 34 includes a screw 341 and a rotating cylinder 342 driving the screw 341 to rotate. One end of the screw 341 is rotatably connected to the positioning plate 32 through a bearing, the other end passes through the movable plate 33 and is threadedly connected to the movable plate 33, and the end extends to the outer wall of the movable plate 33 and is welded and fixed to the rotating column 342. The rotating post 342 is provided with friction ridges to facilitate the application of force. When the sealing strips 25 with different widths are replaced, the screw 341 is rotated to adjust the distance between the movable plate 33 and the positioning plate 32, so as to adapt to the sealing strips 25 with different widths.

Referring to fig. 3, an arc block 35 is welded and fixed on a side wall of the positioning plate 32 and the movable plate 33 that are close to each other. The arc blocks 35 are all sleeved on the outer wall of the screw 341 and are not in contact with the screw 341. When the weather strip 25 passes through the positioning device 3, both ends of the weather strip 25 in the width direction are abutted against the arc blocks 35 to reduce the friction force.

Referring to fig. 3, in order to prevent the seal 25 from being separated from the positioning plate 32 and the movable plate 33. A rotating groove 321 is formed in one side of the positioning plate 32 away from the fixing plate 31, and a fixing shaft 322 with an axis perpendicular to the axis of the screw 341 is inserted into the rotating groove 321. The fixed shaft 322 is rotatably sleeved with a cross rod 36. The crossbar 36 may be rotated with a fixed hub. One end of the cross bar 36 is connected with the fixed shaft 322, and the other end is erected on the movable plate 33; and a poke rod 38 is vertically welded at one end of the cross rod 36 connected with the fixed shaft 322. The end of the poke rod 38 away from the fixed shaft 322 is integrally connected with a poke sheet 39.

Referring to fig. 2 and 3, the positioning plate 32 is mounted with an elastic member. The elastic member employs a torsion spring 37. The torsion spring 37 is sleeved on the fixed shaft 322, and one end of the torsion spring is welded to the poke rod 38, and the other end of the torsion spring is welded to the bottom of the rotating groove 321. Under the action of the torsion spring 37, the cross bar 36 always tends to rotate towards the movable plate 33, so that the sealing strip 25 is always located between the cross bar 36 and the fixed plate 31. Further, in order to stably mount the cross bar 36 on the movable plate 33, one end of the movable plate 33 away from the fixed plate 31 is opened with a positioning groove 332 for mounting an end of the cross bar 36. In other embodiments, one end of the torsion spring 37 can be fastened to the tap lever 38; a hole position can be arranged on the positioning plate 32 for buckling the other end of the torsion spring 37; so as to be convenient for disassembly; meanwhile, the fixing shaft 322 can be mounted on the positioning plate 32 by a screw connection.

The implementation principle of the hot air seam sealing machine with the sealing strip positioning function is as follows:

when in work, the cloth is laid on the slope 112; and the sewing of the cloth is aligned between the upper press wheel 21 and the lower press wheel 111. The sealing strip 25 is pulled out from the winding disc 24 and sequentially passes through the tension strip 121, the positioning device 3 and the space between the upper pressing wheel 21 and the friction wheel 22; through positioner 3 for sealing strip 25 can stably transmit, remain stable, improve the effect of sewing up.

Starting the hot air blower 28, and aligning the nozzle 27 with the end of the sealing strip 25 for blowing air; the hot melt adhesive on the sealing strip 25 is heated and then is adhered and fixed at the sewing position of the cloth for sealing; the cloth to which the sealing tape 25 has been attached is then stretched between the upper press wheel 21 and the lower press wheel 111. The upper pressure wheel 21 is driven by the driving part 23 to rotate, so as to drive the cloth to move in the direction away from the slope 112; in the process, the nozzle 27 continuously blows hot air to the sealing strip 25, so that the sealing strip 25 is adhered to the fabric, and the sealing strip 25 is tightly adhered to the sewing position of the fabric after being tightly pressed by the upper pressing wheel 21 and the lower pressing wheel 111, thereby completing the sealing work.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a hot-blast seam sealing machine with sealing strip locate function which characterized in that: the device comprises a rack (1), a workbench (11) arranged on the rack (1) and a cantilever beam (12) arranged on the workbench (11), wherein a mounting column (2) is arranged on the cantilever beam (12), an upper pinch roller (21) is arranged at the bottom of the mounting column (2), and a lower pinch roller (111) butted with the upper pinch roller (21) is arranged on the workbench (11); a driving piece (23) for driving the upper pressure wheel (21) to rotate is arranged on the mounting column (2);

a winding disc (24) is rotatably mounted at the top of the mounting column (2), and a sealing strip (25) with hot melt adhesive is wound on the winding disc (24); a conveying pipe (26) is arranged on the mounting column (2), and a hot air blower (28) for conveying hot air to the conveying pipe (26) is arranged on the rack (1); a nozzle (27) for spraying hot air in alignment between the upper pressing wheel (21) and the lower pressing wheel (111) is arranged at one end of the conveying pipe (26) far away from the hot air blower (28);

the mounting column (2) is provided with a friction wheel (22) with the axis parallel to the axis of the upper pressure wheel (21), and the sealing strip (25) is arranged between the upper pressure wheel (21) and the friction wheel (22) in a penetrating manner;

and a positioning device (3) for the sealing strip (25) to movably pass through is arranged on the side wall of one end of the mounting column (2) close to the upper pressing wheel (21).

2. The hot air seam sealing machine with the sealing strip positioning function according to claim 1, characterized in that: the positioning device (3) comprises a fixed plate (31), a positioning plate (32) arranged on one side of the fixed plate (31), a movable plate (33) arranged on the fixed plate (31) and parallel to the positioning plate (32), and an adjusting piece (34) for adjusting the distance between the positioning plate (32) and the movable plate (33); the fixing plate (31) is vertically connected to the outer wall, close to the upper pressure wheel (21), of the mounting column (2), and the plane where the fixing plate (31) is located is parallel to the axis of the upper pressure wheel (21); the movable plate (33) is movably arranged along the axial direction of the upper pinch roller (21); the sealing strip (25) is movably arranged between the positioning plate (32) and the movable plate (33) in a penetrating way.

3. The hot air seam sealing machine with the sealing strip positioning function according to claim 2, characterized in that: the adjusting piece (34) comprises a screw (341) and a rotating column (342) for driving the screw (341) to rotate; one end of the screw rod (341) is rotatably connected to the positioning plate (32), the other end of the screw rod passes through the movable plate (33), and the end of the screw rod is in threaded connection with the movable plate (33); the fixed plate (31) is provided with a dovetail groove (311) for the positioning plate (32) to slide along the axis of the upper pinch roller (21), and the movable plate (33) is correspondingly provided with a sliding block (331) sliding in the dovetail groove (311).

4. The hot air seam sealing machine with the sealing strip positioning function according to claim 3, characterized in that: the one end that locating plate (32) and fly leaf (33) are close to each other all is provided with circular arc piece (35) that supply sealing strip (25) butt, circular arc piece (35) are worn to locate by screw rod (341).

5. The hot air seam sealing machine with the sealing strip positioning function according to claim 4, characterized in that: a cross rod (36) is rotatably mounted at one end, far away from the arc block (35), of the positioning plate (32), and the rotating axis of the cross rod (36) is perpendicular to the axial direction of the screw rod (341); one end of the cross rod (36) is rotatably connected with the positioning plate (32), the other end of the cross rod is erected on the movable plate (33), one end of the cross rod (36) far away from the movable plate (33) is connected with a poking rod (38), and an elastic piece which always pushes the poking rod to enable the cross rod (36) to rotate towards the movable plate (33) is arranged on the positioning plate (32); the sealing strip (25) is arranged between the cross rod (36) and the arc block (35) in a sliding and penetrating mode.

6. The hot air seam sealing machine with the sealing strip positioning function according to claim 5, characterized in that: the elastic member includes a torsion spring (37); a rotating groove (321) is formed in the positioning plate (32), a fixing shaft (322) is arranged in the rotating groove (321), and one end of the cross rod (36) is rotatably sleeved on the fixing shaft (322); one end of the poke rod (38) is vertically connected with the end part of the cross rod (36); the torsion spring (37) is sleeved on the fixed shaft (322), one end of the torsion spring (37) is connected to the poke rod (38), and the other end of the torsion spring (37) is connected to the positioning plate (32); under the action of the torsion spring (37), the cross rod (36) always tends to rotate towards the movable plate (33).

7. The hot air seam sealing machine with the sealing strip positioning function according to claim 6, characterized in that: and the movable plate (33) is provided with a positioning groove (332) for clamping the cross rod (36).

8. The hot air seam sealing machine with the sealing strip positioning function according to claim 6, characterized in that: one end of the poke rod (38) far away from the cross rod (36) is provided with a poke sheet (39).

9. The hot air seam sealing machine with the sealing strip positioning function according to claim 1, characterized in that: cantilever beam (12) are provided with above positioner (3) and supply tensioning strip (121) that sealing strip (25) passed, tensioning strip (121) are the bow font, and wholly are the slope form.

10. The hot air seam sealing machine with the sealing strip positioning function according to claim 1, characterized in that: the working table (11) is provided with a slope (112) on one side of the lower pressing wheel (111) close to the operation of workers, the upper end of the slope (112) is close to the lower pressing wheel (111) and is lower than the highest point of the upper pressing wheel (21), and the lower end of the slope (112) is flush with the working table (11).

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