CN213357952U - Film belt conveying device of sheet ironing machine - Google Patents

Abstract

The utility model discloses a film belt conveyor of piece machine scalds, but including casing, sliding connection at casing and lateral translation's frame, the frame is equipped with the supporting film tep reel of multiunit, punching press seat, film area guiding mechanism side by side along the side direction, and the film area winding is in film tep reel and by its output in proper order through punching press seat, film area guiding mechanism, the casing is equipped with guide actuating mechanism and can drives current rather than complex film area guiding mechanism with the transmission film area. The beneficial effects of the utility model reside in that, the risk nature when the structure retrencies the operation is lower, can ensure that the membrane area can not squint when guiding the transport membrane area, still can be to the transport condition real time monitoring in membrane area in addition.

Description

Film belt conveying device of sheet ironing machine

Technical Field

The utility model relates to a film belt conveying device of an ironing machine, which is mainly applied to the technical field of embroidery processing.

Background

At present, various embroidery products are decorated with bright films or bright sheets to achieve an attractive effect, the decorative bright films are various in types and colors, and a film belt is cut into films by punching and is attached to the surfaces of the embroidery products by using a film ironing machine (also called a picture arranging machine or a chip mounter).

For example, in the prior art publication No. CN209775997U, a tape take-up control device of an automatic decorating paillette arraying machine is disclosed, when a push-pull electromagnet is closed and a push-pull rod of the push-pull electromagnet is popped up and abutted to a crosspiece, a bridge arm rotates around a positioning bolt as a circle center, so that a base belt driving wheel is separated from an upper guide wheel in a guide wheel, a take-up idler wheel is separated from a take-up reel, at the moment, the take-up control device is in a color changing state, and a paillette base tape passing through a stamping device stops being automatically wound and. The belt-retracting control device is too complex in structure, and can complete the function only by the cooperation of a plurality of parts, so that the belt-retracting control device has better mechanical operation risk.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a film tape conveyor who scalds piece machine, the risk when the structure retrencies operation is lower, can ensure that the film tape can not squint when guiding the transport film tape, still can be to the transport condition real time monitoring in film tape in addition.

The utility model discloses a realize through following technical scheme.

The utility model provides a film belt conveyor of piece machine scalds, includes casing, sliding connection at casing and lateral translation's frame, the frame is equipped with the supporting film tape dish of multiunit, punching press seat, film area guiding mechanism side by side along the side, and the film area twines the film tape dish and is passed through in proper order by its output and press seat, film area guiding mechanism, the casing is equipped with guide actuating mechanism and can drives present rather than complex film area guiding mechanism with the transmission film area.

As a further improvement of the utility model, the membrane tep reel sets up the top of frame, the front of frame corresponds the membrane tep reel side by side swing joint has a plurality of swing arms, the casing is equipped with the swing arm that the sensor corresponds current guide membrane area, works as when the membrane area tensioning between membrane tep reel and the swing arm is in the swing state and is located outside the sensor response scope, works as when the membrane area between membrane tep reel and the swing arm is lax the swing arm is in the nature state of drooping and is located in the sensor response scope.

As a further improvement of the utility model, the front side of the middle part of the frame is provided with a first guide shaft for guiding the film strip along the lateral direction.

As a further improvement of the utility model, the frame bottom is equipped with the frame floorbar along the side direction, the punching press seat inlays and establishes at the frame floorbar, the punching press seat is equipped with the membrane area passageway that allows the membrane area to pass through, the frame floorbar is equipped with and runs through its front, the back and links up the membrane area of membrane area passageway extends the passageway.

As a further improvement of the utility model, the front of frame floorbar is equipped with the linking the membrane area extends the passageway and is used for supporting the bulge in membrane area, the place ahead of frame floorbar is located the top of bulge is equipped with the second guiding axle that is used for guiding the membrane area along the side direction.

As a further improvement of the present invention, the back of the frame bottom beam is provided with a third guide shaft for guiding the film tape along the lateral direction.

As a further improvement of the utility model, be equipped with the guiding groove that is used for guiding the transport membrane area between frame floorbar and a plurality of membrane area guiding mechanism side by side.

As a further improvement of the utility model, the membrane strip guide mechanism comprises at least two guide wheels contacting the positive and negative surfaces of the membrane strip, wherein one of the guide wheels is an action wheel and rotates under the drive of the guide driving mechanism.

As a further improvement, one of them guide pulley is the take-up pulley and is equipped with guide elasticity and resumes the piece, guide elasticity resumes the piece and can order about the take-up pulley pastes to the action wheel.

As a further improvement of the utility model, the guide actuating mechanism includes guide driving motor, guide drive wheel, guide transmission structure, guide transmission structural connection casing and guide driving motor, the guide drive wheel with guide driving motor connects and courage in the drive the action wheel.

The utility model has the advantages that:

the utility model discloses a setting provides membrane area driven power with guide actuating mechanism complex action wheel, the setting is ensured the accurate nature of membrane area guide with the take-up pulley that the action wheel was hugged closely, in order to avoid the membrane to take the slippage, through setting up first aiming axis, second aiming axis and third aiming axis can be used to guide the membrane area and prevent it to appear along the skew problem of side direction, set up the swing arm, guide pulley and sensor can carry out real time monitoring to the membrane area, the very first time can detect the condition that the membrane area is cracked or the membrane area is used up.

Drawings

The preferred embodiments of the present invention will hereinafter be described in detail to facilitate an understanding of the objects and advantages of the invention, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic structural view of a sheet iron assembly;

FIG. 2 is a schematic side view of the frame with the swing arm, guide wheel, and sensor;

FIG. 3 is a schematic front view of the frame and punch assembly;

FIG. 4 is a side cross-sectional view of the frame sill and punch shoe, film tape guide mechanism, and lock wheel assembly;

FIG. 5 is a schematic view of the punch driving mechanism and the punch guide bar;

FIG. 6 is a schematic view of the punch driving mechanism and the punch guide bar from another perspective;

FIG. 7 is a schematic view of the punch drive mechanism and the guide drive mechanism from one perspective;

FIG. 8 is a schematic view of another alternative arrangement of the punch drive mechanism and the guide drive mechanism;

fig. 9 is a schematic structural view of the unlocking structure and the wheel locking member.

Detailed Description

The invention is explained in more detail below with reference to the drawings and exemplary embodiments.

The terms of orientation of up, down, left, right, front, back, top, bottom, and the like as referred to or as may be referred to in this specification are defined with respect to the configuration shown in the drawings, and the terms "inner" and "outer" refer to directions toward and away from the geometric center of a particular component and are relative terms, and thus may be changed accordingly depending on the position and the state of use of the particular component. Therefore, these and other directional terms should not be construed as limiting terms.

Referring to fig. 1, an ironing machine assembly includes a housing 1 and a frame 2, a slide rail 10 extending along a lateral direction is installed on an upper portion of a front surface of the housing 1, a slide groove 20 matching with the slide rail 10 is installed on an upper portion of a rear surface of the frame 2, the slide rail 10 is in sliding fit with the slide groove 20, the frame 2 can slide relative to the housing 1 along the lateral direction, the lateral direction refers to a moving direction of the frame 2 when a film strip of another color needs to be replaced, i.e., a color is changed, and all lateral directions referred to in this patent refer to this direction. The frame 2 sets up the supporting membrane area dish 31 of multiunit, punching press subassembly, punching press seat 44, membrane area guiding mechanism side by side along the side direction, divides the piece work that scalds that is located the membrane area dish 31 of same group, punching press subassembly, punching press seat 44, membrane area guiding mechanism and corresponds the membrane area of implementing a colour along the side direction.

The film tape disc 31 is arranged at the top of the frame 2, the punching seat 44 is arranged at the bottom of the frame 2, the film tape guide mechanism is arranged at the rear of the frame 2, the punching assembly is mounted on the frame 2, the film tape disc 31 is used for winding and storing a film tape and outputting the film tape under the power action of the film tape guide mechanism, the film tape sequentially passes through the front of the frame 2, the punching seat 44 and the film tape guide mechanism, the punching assembly is matched with the punching seat 44 to punch the part of the film tape in the punching seat 44 into a film and attach the film to the surface of an embroidery, and therefore the film tape becomes a waste material after passing through the punching seat 44.

The machine shell 1 is provided with a stamping driving mechanism and a guiding driving mechanism, the stamping driving mechanism can drive a stamping component matched with the stamping driving mechanism to execute stamping work, and the guiding driving mechanism can drive a film belt guiding mechanism matched with the stamping driving mechanism to drive a film belt. When the color needs to be changed, the stamping driving mechanism and the guide driving mechanism stop driving, the frame 2 moves along the lateral direction relative to the machine shell 1, and the stamping driving mechanism and the guide driving mechanism respectively drive the stamping assembly and the film strip guide mechanism corresponding to the changed film strip.

Referring to fig. 2 in combination with fig. 1, the front surface of the frame 2 is hinged side by side with a plurality of swing arms 321, corresponding to the film tape reels 31 one by one, the top ends of the swing arms 321 are used as hinge points and the rotation planes thereof are perpendicular to the lateral direction, the bottom ends of the swing arms 321 are provided with guide wheels 322 for guiding the film tapes, the axial directions of the guide wheels 322 are arranged laterally, the front surface of the housing 1 is provided with a sensor 323 through a bracket, the sensor 323 corresponds to the swing arm 321 currently guiding the film tapes, the swing arm 321 is in a swing state and is located outside the sensing range of the sensor 323 when the film tapes between the film tape reels 31 and the guide wheels 322 are tensioned, and the swing arm 321 is in a natural falling state and is located within the sensing range of the sensor 323 when the film tapes between the film tape reels 31 and. Further, the swing arm 321 is provided with a protruding structure 321A corresponding to the sensor 323, so as to improve the accuracy of detecting the state of the swing arm 321.

When the film strip S is in a normal conveying state, the part between the film strip disc 31 and the guide wheel 322 is normally in a tensioned state, so that the swing arm 321 is far away from the sensor 323 and cannot be sensed, when the conveying speed of the film strip S is reduced, the part between the film strip disc 31 and the guide wheel 322 is in a loose state, the swing arm 321 automatically hangs down and is sensed by the sensor 323, and when the speed is increased or stabilized, the loose part of the film strip S is pulled and tensioned, so that the swing arm 321 swings up and is out of the sensing range of the sensor 323. Therefore, if the sensor 323 cannot sense the swing arm 321 or can sense the swing arm 321 intermittently, it indicates that the guided feeding of the film tape S is in a normal state, and if the sensor 323 senses the swing arm 321 for a long time, it indicates that the film tape S is broken or the film tape S of the film tape reel 31 is used up, and the detection should be stopped.

Referring to fig. 3 and 4, a first guide shaft 33 is laterally disposed on the front side of the middle of the frame 2 below the swing arm 321, the first guide shaft 33 is laterally disposed with a plurality of flanges 331 protruding radially, side by side, and each two flanges 331 are disposed on two sides of the film strip S guided by the first guide shaft 33, respectively, so as to avoid the problem of lateral displacement of the film strip S.

2 bottoms in frame are provided with frame floorbar 23 along the side direction, frame floorbar 23 is provided with a plurality of vertical mounting holes that run through along the side direction, punching press seat 44 inlays to be established in the mounting hole to improve punching press seat 44's installation fastness and stability, because punching press seat 44 and the punching press subassembly sliding fit of high-speed operation, the phenomenon of shake or vibrations need to stop appearing in punching press seat 44, thereby avoids punching press seat 44 and the punching press subassembly the condition that the collision appears interfering.

The punching seat 44 is provided with a film strip channel 441 which horizontally penetrates along the forward direction, the front surface and the back surface of the frame bottom beam 23 are respectively provided with a film strip extension channel 231 which is connected with the film strip channel 441 to form a linear channel, and the film strip S penetrates through the frame bottom beam 23 from the channel. The front of the frame bottom beam 23 is provided with a protrusion 232 corresponding to each channel, the protrusion 232 is in a slender structure and connects with the film strip extending channel 231, a second guide shaft 34 is laterally arranged in front of the frame bottom beam 23 and above the protrusion 232, the second guide shaft 34 is the same as the first guide shaft 33 in structure and serves to guide the film strip S, the second guide shaft 34 is laterally provided with a plurality of flanges 341 protruding in the radial direction, each two flanges 341 are in a group and located on both sides of the film strip S, the back of the frame bottom beam 23 is laterally provided with a third guide shaft 35 for guiding the film strip S, and the first guide shaft 33, the second guide shaft 34 and the third guide shaft 35 can serve to guide the film strip S and prevent the film strip S from shifting in the axial direction. In addition, the guide groove 36 is arranged between the frame bottom beam 23 and the film belt guide mechanism for conveying the film belt S, so that the smoothness of guiding and conveying the film belt S from the frame bottom beam 23 to the film belt guide mechanism can be improved.

More specifically, the conveying process of the film strip S: the film tape S is discharged from the film tape tray 31, sequentially passes through the first guide shaft 33, the second guide shaft 34, and the press bed 44, is pressed by the press unit to form an iron sheet, is consumed as waste, and is then discharged by the film tape guide mechanism driven by the guide drive mechanism via the third guide shaft 35 and the guide groove 36.

Referring to fig. 3, the punching assembly includes a punching guide rod 41, a punching pin 42 and a punching connector 43, the punching guide rod 41 is vertically disposed and provided with a connecting seat 412 at a bottom end thereof, the punching pin 42 is movably connected to the connecting seat 412 and the punching pin 42 is movable in a horizontal direction relative to the punching rod 41 and the connecting seat 412, and the punching connector 43 is disposed on the punching guide rod 41 and is used for being in driving connection with a punching driving mechanism. The frame 2 is laterally provided with a frame top beam 21 and a frame middle beam 22, the frame top beam 21 and the frame middle beam 22 are provided with through holes which vertically penetrate and allow the stamping guide rod 41 to slide through, the stamping connecting piece 43 is arranged at a part of the stamping guide rod 41 between the frame top beam 21 and the frame middle beam 22, a frame plate 24 which is arranged between the frame top beam 21 and the frame middle beam 22 and behind the stamping guide rod 41 and used for connecting the frame plate and the stamping guide rod 41 is arranged, the frame plate 24 is provided with a vertical long groove 241 allowing the stamping connecting piece 43 to penetrate through corresponding to the stamping guide rod 41, the frame plate 24 separates the stamping guide rod 41 from a stamping driving mechanism, plays a role in protecting the stamping guide rod 41, and does not hinder the stamping guide rod 41 from moving along the axial direction.

The part of the stamping guide rod 41 between the stamping connecting piece 43 and the frame center sill 22 is provided with a stamping elastic restoring piece 45 for restoring the stamping guide rod 41 after stamping is completed, and the stamping elastic restoring piece 45 is preferably a restoring spring. The part of the stamping guide rod 41, which is located between the frame top beam 21 and the frame middle beam 22 and above the stamping connecting piece 43, is provided with an upper stop piece 411, and the upper stop piece 411 can be abutted against the frame top beam 21 to limit the upper limit of the stroke of the stamping guide rod 41 moving upwards along the axial direction of the stamping guide rod.

The punching seat 44 is of a vertical columnar structure, a vertically penetrating punching through hole 442 is formed along the axis of the punching seat, the punching through hole 442 is communicated with the film tape channel 441 in a crossed manner, the film tape S passes through the punching seat 44 through the film tape channel 441, the punching connecting piece 43 drives the punching guide rod 41 and the punching needle 42 to move downwards along the axial direction under the driving of the punching driving mechanism, the film tape S is punched into a film sheet when the punching needle 42 punches the film tape channel 441, the punching needle 42 penetrates out of the bottom of the punching seat 44 and presses the film sheet carried by the lower end of the punching needle to the surface of the embroidery, and then the punching seat is reset, and the punching component finishes one-time piece ironing action.

The punching through hole 442 is divided into two parts by the tape channel 441, the upper part is a punching guide hole 442a, the lower part is a film punch 442b, the punching guide hole 442a functions to guide the punching needle 42, the punching needle 42 punches the film tape located in the tape channel 441 into a film sheet and into the film tape punch 442b, the punching needle 42 includes an upper guide part 421 and a lower punching part 422, the diameter specification of the punching part 442 is set according to the desired film sheet size, and the diameter of the guide part 421 is fixed, in this embodiment, the diameter of the punching part 442 is smaller than that of the guide part 421, the film punch 442b matches the punching part 442, and the punching guide hole 442a matches the guide part 421 and the punching part 422, so that the upper part of the punching guide hole 442a matches the guide part 421 and the lower part matches the punching part 422.

The easy shake of appearance or skew axial problem in the drive process of punching press guide rod 41, and the required precision of punching press needle 42 is higher, consequently, the swing joint of punching press needle 42 and connecting seat 412 makes punching press needle 42 only receive the vertical driving force of punching press guide rod 41, and punching press needle 42 can not be because the effect of punching press guide rod 41 on the horizontal direction, consequently, punching press needle 42 can keep its precision in the punching press process, the condition emergence of deviating the interference collision that the axial leads to and causing punching press needle 42 to break can not appear, can suitably widen with reduce cost and the production and processing degree of difficulty to punching press guide rod 41 and driven required precision in addition.

Referring to fig. 5 and 6, the punching driving mechanism includes a driving unit, a guide shaft 52, and a punching driver 53, the guide shaft 52 and the punching guide rod 41 are both vertically arranged in the same direction, the top end and the bottom end of the guide shaft are respectively fixed at the top and the bottom of the housing 1, the punching driver 53 is slidably connected to the guide shaft 52, the driving unit is arranged in the housing 1 and connected to the punching driver 53, the punching driver 53 can reciprocate along the length direction of the punching guide rod 41 under the driving of the driving unit, and the punching connecting member 43 passes through a vertical long slot 241 of the housing plate 24 to be in clamping fit with the punching driver 53.

The drive unit includes main shaft 511, eccentric cam 512, punching press transmission structure 513, main shaft 511 sets up along the side direction and runs through casing 1, the part that the eccentric cam 512 cover was established and is fixed at main shaft 511 and be located casing 1, be provided with drive fixed axle 514 along the side direction in the casing 1, punching press transmission structure 513 sets up to the link structure and articulates at drive fixed axle 514, and punching press driver 53 is connected to its one end, and the other end is cyclic annular cover outside eccentric cam 512, and main shaft 511 drives eccentric cam 512 and can drive the punching press subassembly and accomplish complete punching press and reset once a week.

Referring to fig. 4, 7 and 8, the film strip guiding mechanism includes at least two guiding wheels, in this embodiment, two guiding wheels are provided, and the guiding wheels can be added according to the actual application requirement to improve the transmission efficiency of the film strip. One of the two guiding wheels is a driving wheel 61, the other guiding wheel is a tensioning wheel 62, a driving wheel positioning shaft 611 and a tensioning wheel positioning shaft 621 are laterally arranged at the rear part of the frame 2, the driving wheel 61 is slidably sleeved on the driving wheel positioning shaft 611, the tensioning wheel positioning shaft 621 is hinged to a mounting seat 622, the tensioning wheel 62 and the driving wheel 61 are coaxial, the tensioning wheel 62 and the mounting seat 622 are mounted at the distal end of the mounting seat 622 and can rotate around the shaft, the tensioning wheel 62 and the mounting seat 622 are provided with a guiding elastic restoring member 623, preferably a return spring, which is sleeved on the tensioning wheel positioning shaft 621, one end of the guiding elastic restoring member 623 is connected with the mounting seat, a shaft can be further arranged in the axial direction of the housing 1, and the. The guiding elastic restoring member 623 urges the tension wheel 62 to be attached to the driving wheel 61, the driving wheel 61 is located above, the tension wheel 62 is located below, the two are respectively attached to the front and back of the film tape to clamp the film tape, the guiding driving mechanism can drive the driving wheel 61 which is currently matched with the guiding driving mechanism to rotate, and the film tape waste materials which are punched by the punching seat 44 are driven by the driving wheel to be discharged backwards.

Frame 2 is provided with the drive and breaks away from motor 71, and the drive breaks away from motor 71 drive connection has along the drive shaft 72 of side direction setting, drive shaft 72 is connected with the drive and breaks away from swing structure 73, punching press driver 53 has can be around leading axle 52 pivoted driving piece 531, driving piece 531 have the draw-in groove and with punching press connecting piece 43 joint cooperation, the drive breaks away from motor 71 and can orders about the drive and breaks away from swing structure 73 around drive shaft 72 swing and with driving piece 531 contact cooperation, thereby makes it take place to rotate draw-in groove and punching press connecting piece 43 and break away from to punching press guide arm 41 breaks away from the drive of punching press driver 53.

When the position of the iron piece of the embroidery needs to jump for a long distance, the stamping needle 42 needs to stop stamping, under the condition that the main shaft 511 does not stop rotating, the driving separation motor 71 drives the driving separation swing structure 71 to enable the driving piece 531 to be in contact fit, so that the clamping groove and the stamping connecting piece 43 are separated, namely the stamping guide rod 41 is separated from driving, the main shaft 511 is in an idle running state in the jumping process and cannot drive the stamping guide rod 41 and the stamping needle 42, and the resetting stamping guide rod 41 is in a normal working state after the jumping is completed. In addition, when the rotation speed of the main shaft 511 is lower than the normal operation state during the stop or start of the main shaft 511, the punching guide 41 also needs to be disengaged from the driving to avoid the reduction in the quality of the iron sheet due to the low punching force.

The guide driving mechanism includes a guide driving motor 81, a guide driving wheel 82, a guide transmission structure connecting the cabinet 1 and the guide driving motor 81, and the guide driving wheel 82 is connected to the guide driving motor 81 and drives the driving wheel 61 of the film tape guide mechanism so that the film tape can be guided. The guiding transmission structure comprises a first guiding and positioning shaft 831, a second guiding and positioning shaft 832, a first guiding and positioning arm 833 and a second guiding and positioning arm 834, the first guiding and positioning shaft 831 and the second guiding and positioning shaft 832 are laterally arranged on the machine shell 1, the first guiding and positioning shaft 833 is installed on the guiding and driving motor 81 and connected to the first guiding and positioning shaft 831, the first guiding and positioning shaft 831 is coaxially connected with the driving and fixing shaft 514, the middle part of the second guiding and positioning arm 834 is hinged to the second guiding and positioning shaft 832, one end of the second guiding and positioning shaft 834 is in linkage fit with the first guiding and positioning shaft 833, and the other end of the second guiding and positioning shaft 834 is in contact fit with the driving and disengaging swing structure 73.

When the color of the sheet ironing machine needs to be changed, after the main shaft 511 stops rotating, the driving separation motor 71 drives the driving separation swing structure 73 to be in contact fit with the guiding transmission structure, so that the guiding driving wheel 82 is separated from the driving wheel 61, and the rack 2 moves along the lateral direction to change the film strip.

In summary, the driving separation motor 71 can drive the driving separation swing structure 73 to contact and cooperate with the driving member 531, so that the punching driver 53 is separated from the punching connecting member 43, and can drive the driving separation swing structure 73 to contact and cooperate with the guiding transmission structure, so that the guiding driving wheel 82 is separated from the driving wheel 61 of the film tape guiding mechanism, therefore, the driving separation swing structure has opposite swing directions with which the punching driving mechanism and the guiding driving mechanism are in contact and cooperate, so as to realize that two functions are executed by the same power source, on one hand, the driving of the two functions is independent in space and time sequence, and is not interfered with each other, on the other hand, the two driving is integrated and executed by the same power source, which is not only beneficial to the space layout in the housing 1, but also can save the cost.

In addition, the driving separation swing structure is provided with a swing elastic reset piece 74, preferably a reset spring, which is sleeved on the driving shaft 72, one end of the driving separation swing structure is connected with the driving separation swing structure 73, the other end of the driving separation swing structure is connected with the frame 2, and when the swing elastic reset piece 74 is in a natural state, the driving separation swing structure is kept separated from the stamping driving mechanism and the guiding driving mechanism.

Referring to fig. 4 and 9 in combination with fig. 7 and 8, the casing 1 is provided with a locking wheel positioning shaft 91 along the lateral direction, the locking wheel positioning shaft 91 is hinged with a plurality of locking wheel members 92 side by side along the lateral direction, the locking wheel members 92 correspond to the film tape guide mechanisms one by one, the locking wheel members 92 are provided with locking wheel elastic reset members 93, preferably, recovery springs are arranged on the locking wheel elastic reset members 93, the locking wheel positioning shaft 91 is sleeved with the locking wheel elastic reset members 93, one end of each locking wheel elastic reset member 93 is connected with the locking wheel member 92, a shaft can be arranged on the casing 1 along the lateral direction, and the other end of each locking wheel elastic reset member 93 is connected with. One end of the wheel locking piece 92 is provided with a friction block 921 matched with the shape of the driving wheel 61, when the wheel locking elastic reset piece 93 is in a natural state, the friction block 921 at the end is in friction contact with the driving wheel 61, the casing 1 is provided with an unlocking structure 94, and the unlocking structure 94 acts on the other end of the wheel locking piece 92, so that the wheel locking piece 92 is separated from the driving wheel 61 driven by the guide driving mechanism at present. Because the locking wheel pieces 92 correspond to the film tape guide mechanisms one by one, only the currently driven driving wheel 61 is provided, the corresponding locking wheel piece 92 is separated from the currently driven driving wheel 61, and all other driving wheels 61 cannot rotate under the friction action of the locking wheel pieces 92, so that the film tape can be prevented from being continuously guided by the driving wheels 61 of the previous group after color changing due to inertia, the film tape which is not consumed is continuously guided and discharged to cause waste, and the driving wheels 61 which violate the driving can be prevented from rotating due to various factors. In addition, the unlocking structure 94 has rolling elements 941, preferably rolling bearings, which can move along the lateral direction, so that the unlocking structure 94 can move along the side-by-side locking wheel members 92 more smoothly during the color changing process.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments can be modified, or some technical features can be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The film belt conveying device of the sheet ironing machine is characterized by comprising a machine shell and a machine frame which is connected to the machine shell in a sliding mode and can move in the lateral direction, wherein the machine frame is provided with a plurality of groups of matched film belt discs, a punching seat and a film belt guiding mechanism side by side in the lateral direction, the film belt is wound on the film belt discs and is output by the film belt discs sequentially through the punching seat and the film belt guiding mechanism, and the machine shell is provided with a guiding driving mechanism which can drive the film belt guiding mechanism matched with the film belt currently to drive the film belt.

2. The film tape conveying device of an ironing machine according to claim 1, wherein the film tape reel is arranged on the top of the frame, the front surface of the frame is laterally movably connected with a plurality of swing arms corresponding to the film tape reel side by side, the housing is provided with a sensor corresponding to the swing arm which is used for guiding the film tape currently, the swing arm is in a swing state and is positioned outside the sensor sensing range when the film tape between the film tape reel and the swing arm is tensioned, and the swing arm is in a natural falling state and is positioned in the sensor sensing range when the film tape between the film tape reel and the swing arm is loosened.

3. The film tape conveying apparatus of an ironing machine according to claim 1, wherein a first guide shaft for guiding the film tape is provided laterally on a front surface of a central portion of the frame.

4. The film strip transporting apparatus for an ironing machine according to claim 1, wherein the frame bottom is laterally provided with a frame bottom beam, the punching seat is embedded in the frame bottom beam, the punching seat is provided with a film strip passage for allowing the film strip to pass through, and the frame bottom beam is provided with a film strip extending passage which penetrates through the front and back surfaces thereof and engages with the film strip passage.

5. The film tape conveying device of an ironing machine as claimed in claim 4, wherein the front face of the frame bottom beam is provided with a projection for engaging the film tape extending passage and supporting the film tape, and a second guide shaft for guiding the film tape is provided laterally in front of and above the projection of the frame bottom beam.

6. The film tape conveying device of a film ironing machine according to claim 4, wherein the back surface of the frame bottom beam is provided with a third guide shaft for guiding the film tape along a lateral direction.

7. The film tape conveying device of the film ironing machine as claimed in claim 4, wherein a guide groove for guiding the film tape is provided between the frame bottom beam and the side-by-side film tape guide mechanisms.

8. The film strip conveying apparatus of an ironing machine according to claim 1, wherein the film strip guiding mechanism comprises at least two guiding wheels contacting front and back surfaces of the film strip, one of the guiding wheels being a driving wheel and driven to rotate by the guiding driving mechanism.

9. The film belt transporting apparatus of claim 8, wherein one of the guiding rollers is a tension roller and is provided with a guiding elastic restoring member, and the guiding elastic restoring member urges the tension roller toward the driving roller.

10. The film tape transport apparatus of an ironer of claim 8, wherein said guide drive mechanism comprises a guide drive motor, a guide drive wheel, a guide transmission structure connecting said cabinet and a guide drive motor, said guide drive wheel being connected with said guide drive motor and coursing with driving said capstan.

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