CN212314803U - Automatic correcting transmission device for smoke box - Google Patents

Abstract

The utility model discloses an automatic smoke box deviation rectifying and conveying device, which comprises a platform, a limiting frame, a pushing mechanism, a pushing plate, a first motor, a supporting frame, a second rack, a correcting plate and a second motor; the platform is sequentially provided with a material placing area, an auxiliary conveying area and a main conveying area in the conveying direction of the smoke box, and the pushing mechanism is arranged on the material placing area in a sliding mode; the limiting frames are symmetrically arranged at two sides of the main transmission area, guide arms are arranged on the limiting frames, and a preset included angle is formed between the guide arms and the transmission direction of the re-flue-cured tobacco box; a first rack is fixedly arranged on a transmission block of the pushing mechanism; the first motor controls the first rack to move through the transmission wheel; the second rack is connected with the supporting frames at two sides of the object placing area in a sliding way; the correcting plate is fixedly connected with the second rack; the second motor controls the second rack to move through the gear. The utility model provides an automatic transmission device that rectifies of smoke box has realized replacing the propelling movement mode of manual drive chartered plane car to the automatic propelling movement of redrying smoke box, has promoted propelling movement efficiency.

Description

Automatic correcting transmission device for smoke box

Technical Field

The utility model relates to a tobacco machinery technical field especially relates to an automatic transmission device that rectifies of smoke box.

Background

Currently, tobacco leaves subjected to stem removal and redrying treatment are generally used in cigarette manufacturing in the tobacco industry, and in order to facilitate storage and transportation of the tobacco leaves, the redried tobacco leaves are generally stored in a cigarette box. The first process in the cigarette production is to convey the double-examination cigarette boxes to a production logistics line one by using a trolley and enter the next process along with a roller-way conveying channel for processing.

The width dimension of the roller path type conveying channel is designed during manufacturing equipment, is basically consistent with the dimension of the redrying tobacco box, and is used for preventing the redrying tobacco box from being inclined and clamped due to deviation in the conveying process, so that production interruption and equipment failure are caused.

However, before the cigarette box enters the conveying channel, the cigarette box needs to be conveyed to a platform for producing a logistics line, a correcting device of the redrying cigarette box is not designed on the platform, a driver needs to use eyes to visually observe the position of the redrying cigarette box to align the raceway type conveying channel, the aligning process often needs to be adjusted repeatedly, deviation still occurs sometimes, the damage of the redrying cigarette box and the equipment failure are caused, labor and time are wasted, and the labor intensity and the equipment material risk are increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a smoke box automatic deviation rectification transmission device to solve the problem among the above-mentioned prior art, realize automatic correction and the propelling movement to the smoke box.

The utility model provides a smoke box automatic deviation rectification transmission device, wherein, include:

the device comprises a platform, wherein the platform is sequentially provided with a material placing area, an auxiliary transmission area and a main transmission area in the transmission direction of the smoke box, the material placing area is provided with a guide groove, and the inner wall of the guide groove is provided with a sliding groove;

the limiting frames are symmetrically arranged on two sides of the main transmission area, guide arms are arranged on the limiting frames, and a preset included angle is formed between the guide arms and the transmission direction of the re-flue-cured tobacco box;

the pushing mechanism comprises a guide block and a transmission block, the guide block is vertically connected with the transmission block, the guide block is slidably arranged in the guide groove in a penetrating manner, a sliding protrusion is arranged on the guide block, the sliding protrusion is slidably arranged in the sliding groove, and a first rack is fixedly arranged on the transmission block;

the push plate is fixedly connected with the guide block;

a first motor, wherein a driving wheel is arranged on an output shaft of the first motor, and the driving wheel is meshed with the first rack;

the supporting frames are symmetrically arranged on two sides of the material placing area, and the supporting frames are provided with slideways;

the second rack is connected with the slide way in a sliding manner;

the correcting plate is fixedly connected with the second rack;

and the output shaft of the second motor is fixedly provided with a gear, and the gear is meshed with the second rack.

The automatic cigarette box deviation rectifying and conveying device is characterized in that the two sides of the material placing area are symmetrically provided with opposite photoelectric switches.

The automatic cigarette box deviation rectifying and conveying device preferably further comprises a first limit switch and a second limit switch, wherein the first limit switch is arranged at one end, close to the auxiliary conveying area, of the material placing area, and the second limit switch is arranged at one end, far away from the auxiliary conveying area, of the material placing area;

the transmission block is provided with a first collision block at one end close to the guide block, the transmission block is provided with a second collision block at one end far away from the guide block, the first collision block is in contact fit with the first limit switch, and the second collision block is in contact fit with the second limit switch.

The automatic cigarette box deviation rectifying and conveying device preferably further comprises a switch bracket, and the first limit switch and the second limit switch are respectively fixed on the object placing area through the switch bracket;

put the thing district and be in be provided with a plurality of fixed orificess on the length direction of guide way, the switch support passes through the cooperation of fixed orifices and bolt with put thing district fixed connection.

The automatic cigarette box deviation rectifying and conveying device is characterized in that the supporting frame is provided with a first limit switch and a second limit switch, and a distance is kept between the first limit switch and the second limit switch;

a third collision block is arranged on the correction plate and is in contact fit with the third limit switch;

and a fourth collision block is arranged at one end of the second rack far away from the correction plate, and the fourth collision block is in contact fit with the fourth limit switch.

The automatic cigarette box deviation rectifying and conveying device as described above, wherein preferably, the supporting frame includes a first supporting block and a second supporting block, the first supporting block is fixedly disposed at two sides of the object placing area, the second supporting block is vertically connected to the first supporting block, a motor bracket is disposed on the second supporting block, and a fixing portion of the second motor is fixedly connected to the motor bracket;

the slide way is arranged on the second supporting block, a through hole is formed in the first supporting block, the slide way is aligned to the through hole, and one end of the second rack penetrates through the through hole and then is fixedly connected with the correcting plate.

The automatic cigarette box deviation rectifying and conveying device preferably comprises a main conveying area, wherein the main conveying area is provided with a positioning block, the positioning block is provided with a sliding groove, the limiting frame is provided with a sliding block, and the sliding block is connected with the sliding groove in a sliding mode.

The automatic cigarette box deviation rectifying and conveying device preferably comprises a limiting frame, wherein the limiting frame is provided with a guide wheel in a rotating mode, and the rim of the guide wheel protrudes out of the surface of the limiting frame.

The utility model provides an automatic transmission device that rectifies of smoke box has realized replacing the propelling movement mode of manual drive chartered plane car to the automatic propelling movement of redrying smoke box, has promoted propelling movement efficiency.

Drawings

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Fig. 1 is a state diagram of the automatic deviation rectifying and conveying device for the tobacco box according to the embodiment of the present invention before the correction of the tobacco box;

fig. 2 is a state diagram of the automatic deviation rectifying and conveying device for the tobacco box according to the embodiment of the present invention when the tobacco box is redried;

fig. 3 is a state diagram of the automatic deviation rectifying transmission device for tobacco boxes according to the embodiment of the present invention when pushing the redrying tobacco boxes to the auxiliary transmission area;

fig. 4 is a state diagram of the automatic deviation rectifying and conveying device for tobacco boxes according to the embodiment of the present invention when conveying the redrying tobacco boxes to the main conveying area;

fig. 5 is a partially exploded view (a) of the automatic deviation rectifying and conveying device for smoke boxes according to the embodiment of the present invention;

fig. 6 is a partially exploded view of the automatic deviation rectifying and conveying device for smoke boxes according to the embodiment of the present invention (ii).

Description of reference numerals:

100-platform 110-object area 111-guide groove 112-sliding groove 120-auxiliary transmission area 130-main transmission area 131-guide wheel 140-limit frame 141-guide arm 150-first limit switch 160-second limit switch 170-switch support

200-pushing mechanism 210-guide block 211-sliding projection 220-transmission block 221-first rack 230-second collision block 240-first motor 250-transmission wheel

300-push plate

400-second electric machine 410-Gear

500-support frame 510-first support block 520-second support block 521-motor support 522-slideway 530-third limit switch 540-fourth limit switch

600-second rack 610-correction plate 620-third bump 630-fourth bump

700-correlation photoelectric switch

800-redrying tobacco box

Detailed Description

Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the disclosure, its application, or uses. The present disclosure may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.

As used in this disclosure, "first", "second": and the like, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

In the present disclosure, when a specific component is described as being located between a first component and a second component, there may or may not be intervening components between the specific component and the first component or the second component. When it is described that a specific component is connected to other components, the specific component may be directly connected to the other components without having an intervening component, or may be directly connected to the other components without having an intervening component.

All terms (including technical or scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

As shown in fig. 1 to 6, an embodiment of the present invention provides an automatic deviation rectifying and conveying device for smoke boxes, which includes a platform 100, a limiting frame 140, a pushing mechanism 200, a pushing plate 300, a first motor 240, a supporting frame 500, a second rack 600, a correcting plate 610 and a second motor 400; the platform 100 is sequentially provided with a material placing area 110, an auxiliary conveying area 120 and a main conveying area 130 in the conveying direction of the smoke box, the material placing area 110 is provided with a guide groove 111, and the inner wall of the guide groove 111 is provided with a sliding groove 112; the limiting frame 140 is symmetrically arranged at two sides of the main transmission area 130, the limiting frame 140 is provided with a guide arm 141, and a preset included angle is formed between the guide arm 141 and the transmission direction of the redrying tobacco box 800, wherein the preset included angle may be 30-45 degrees, and preferably 40 degrees in this embodiment; the pushing mechanism 200 comprises a guide block 210 and a transmission block 220, the guide block 210 is vertically connected with the transmission block 220, the guide block 210 is slidably arranged in the guide groove 111 in a penetrating manner, a sliding protrusion 211 is arranged on the guide block 210, the sliding protrusion 211 is slidably arranged in the sliding groove 112, and a first rack 221 is fixedly arranged on the transmission block 220; the push plate 300 is fixedly connected with the guide block 210; a driving wheel 250 is arranged on an output shaft of the motor, and the driving wheel 250 is meshed with the first rack 221; the supporting frames 500 are symmetrically arranged at two sides of the material placing area 110, and the sliding ways 522 are arranged on the supporting frames 500; the second rack 600 is slidably connected with the slideway 522; the correcting plate 610 is fixedly connected with the second rack 600; a gear 410 is fixedly disposed on an output shaft of the second motor 400, and the gear 410 is engaged with the second rack 600.

In the working process, the re-flue-cured tobacco box is firstly conveyed to the object placing area 110 on the platform 100, and the object placing area 110 is a flat plate surface, so that the re-flue-cured tobacco box can be stably placed. At this moment, detection device on platform 100 can detect the redrying smoke box to send the smoke box signal, and second motor 400 rotates according to this smoke box signal drive gear 410, drives second rack 600 through the meshing of gear 410 with second rack 600 and removes to the direction of redrying smoke box to make two correction plates 610 contact with the redrying smoke box gradually and press from both sides tightly, with the realization to the correction of redrying smoke box.

After the redrying box is corrected, the second motor 400 rotates in the reverse direction to move the second rack 600 in a direction away from the redrying box to release the corrected redrying box. Meanwhile, the first motor 240 is started to drive the pushing mechanism 200 to push the corrected smoke box to the auxiliary transmission area 120 through the pushing plate 300. Then, the first motor 240 rotates reversely to drive the pushing mechanism 200 to return to the initial waiting position, so as to correct and push the next redrying tobacco box, meanwhile, the transmission mechanism on the auxiliary transmission area 120 transmits the redrying tobacco box to the main transmission area 130, and the main transmission area 130 can limit the redrying tobacco box through the limiting frames 140 on both sides, so that the redrying tobacco box is prevented from deflecting in the transmission process to the subsequent station.

Wherein, in the process of redrying the cigarette case to main transmission district 130 transmission, if the redrying cigarette case has slight incline, guide arm 141 can guide the cigarette case to between two spacing 140 through the contact with the cigarette case, and two spacing 140 can realize spacing to the cigarette case both sides, prevent that the cigarette case from taking place the incline in transmission process, have guaranteed that the cigarette case is in the state before transmitting to next station.

From this, for prior art, the embodiment of the utility model provides an automatic transmission device that rectifies of smoke box has realized automatic propelling movement and correction to redrying the smoke box, has promoted the correction degree of accuracy, has saved the labour.

Further, the opposite photoelectric switches 700 are symmetrically disposed on both sides of the storage area 110. When the redrying tobacco box is placed in the storage area 110, the correlation photoelectric switch 700 can be shielded by the redrying tobacco box, at this time, the correlation photoelectric switch 700 can send out the above-mentioned tobacco box signal, and the second motors 400 on the two sides of the redrying tobacco box are started to drive the second rack 600 to correct and clamp the redrying tobacco box through the correction plate 610.

The correlation photoelectric switch 700 may be preset to perform delay activation, the delay time may be a time period that the second rack 600 passes from the beginning to the completion of the calibration and clamping of the smoke box by the calibration plate 610, that is, when the smoke box is calibrated, the correlation photoelectric switch 700 sends a delay signal, and the second motor 400 rotates reversely according to the delay signal to drive the second rack 600 to perform reverse movement reversely to release the smoke box, so that the smoke box can be pushed to the auxiliary transmission area 120 through the pushing mechanism 200.

Further, the automatic cigarette box deviation rectifying and conveying device further comprises a first limit switch 150 and a second limit switch 160, wherein the first limit switch 150 is arranged at one end, close to the auxiliary conveying area 120, of the placing area 110, and the second limit switch 160 is arranged at one end, far away from the auxiliary conveying area 120, of the placing area 110; a first collision block is arranged at one end of the transmission block 220 close to the guide block 210, a second collision block 230 is arranged at one end of the transmission block 220 far away from the guide block 210, the first collision block is in contact fit with the first limit switch 150, and the second collision block 230 is in contact fit with the second limit switch 160.

In the process that the pushing mechanism 200 pushes the redrying tobacco box to move towards the auxiliary transmission area 120, when the first collision block contacts with the first limit switch 150, the first limit switch 150 can send a first in-place signal, and the first motor 240 rotates reversely according to the first in-place signal to control the pushing mechanism 200 to reversely do return motion. In the return process, when the second bump 230 contacts the second limit switch 160, the second limit switch 160 may send a second in-place signal, and the first motor 240 stops operating according to the second in-place signal, so that the pushing mechanism 200 is in the waiting state.

Further, the automatic cigarette box deviation rectifying and conveying device further comprises a switch bracket 170, and the first limit switch 150 and the second limit switch 160 are respectively fixed on the material placing area 110 through the switch bracket 170; the object placing area 110 is provided with a plurality of fixing holes in the longitudinal direction of the guide groove 111, and the switch bracket 170 is fixedly connected to the object placing area 110 by the engagement of the fixing holes and bolts.

When the redrying tobacco boxes of different dimensions need to be pushed, the pushing strokes of the pushing mechanism 200 are different, in order to ensure that the tobacco boxes of different dimensions can be pushed to the auxiliary transmission area 120, the fixed position of the switch bracket 170 on the object storage area 110 can be changed, the distance between the first limit switch 150 and the second limit switch 160 can be adjusted, the time for triggering the first limit switch 150 and the second limit switch 160 can be changed, and the pushing requirements on the tobacco boxes of different dimensions can be met.

Further, a third limit switch 530 and a fourth limit switch 540 are arranged on the support frame 500, and a distance is kept between the third limit switch 530 and the fourth limit switch 540; the correction plate 610 is provided with a third bump block 620, and the third bump block 620 is in contact fit with the third limit switch 530; the end of the second rack 600 away from the correction plate 610 is provided with a fourth bump 630, and the fourth bump 630 is in contact fit with the fourth limit switch 540.

In the process that the second motor 400 drives the second rack 600 to move towards the direction of the redrying tobacco box, when the fourth bump block 630 contacts with the fourth limit switch 540, the fourth limit switch 540 can send a first in-place signal, the second motor 400 stops running according to the first in-place signal, and at the moment, the correction plate 610 can clamp and correct the redrying tobacco box. When the correlation photoelectric switch 700 sends a delay signal, the second motor 400 rotates reversely according to the delay signal to drive the second rack 600 to perform a backward movement in a reverse direction, and when the third bump 620 on the correction plate 610 contacts with the third limit switch 530, the third limit switch 530 can send a second in-place signal, the second motor 400 stops operating according to the second in-place signal, and at this time, the second rack 600 and the correction plate 610 complete resetting to prepare for correcting a next redrying tobacco box.

Specifically, the supporting frame 500 includes a first supporting block 510 and a second supporting block 520, the first supporting block 510 is fixedly disposed at two sides of the object placing area 110, the second supporting block 520 is vertically connected to the first supporting block 510, a motor bracket 521 is disposed on the second supporting block 520, and a fixing portion of the second motor 400 is fixedly connected to the motor bracket 521; the slide 522 is disposed on the second support block 520, a through hole is disposed on the first support block 510, the slide 522 is aligned with the through hole, and one end of the second rack 600 passes through the through hole and then is fixedly connected to the correction plate 610.

The third limit switch 530 is disposed on the first support block 510, the fourth limit switch 540 is disposed on the second support block 520, and the third limit switch 530 and the fourth limit switch 540 are disposed on two sides of the first support block 510.

Further, a positioning block is arranged on the main transmission area 130, a sliding groove is arranged on the positioning block, and a sliding block is arranged on the limiting frame 140 and is in sliding connection with the sliding groove. Before the re-drying tobacco box is conveyed, the distance between the two limiting frames 140 can be adjusted through the matching between the sliding block and the sliding groove according to the size of the re-drying tobacco box to be conveyed.

Further, the limiting frame 140 is rotatably provided with a guide wheel 131, and a rim of the guide wheel 131 protrudes out of the surface of the limiting frame 140. When the smoke box transmits to between two spacing 140, the both sides of smoke box can contact with leading wheel 131 respectively, along with the smoke box is the transmission forward, leading wheel 131 can receive the friction of smoke box and rotate to can avoid producing the sliding friction resistance between smoke box and the spacing 140, simultaneously, through the contact of smoke box and leading wheel 131, can realize spacing to the smoke box both sides, prevent that the smoke box from taking place the skew in transmission process.

The embodiment of the utility model provides an automatic transmission device that rectifies of smoke box has realized replacing the propelling movement mode of manual drive chartered plane car to the automatic propelling movement of redrying smoke box, has promoted propelling movement efficiency.

Thus, various embodiments of the present disclosure have been described in detail. Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.

Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that various changes may be made in the above embodiments or equivalents may be substituted for elements thereof without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.

Claims (8)

1. The utility model provides a smoke box automatic deviation rectification transmission device which characterized in that includes:

the cigarette box conveying device comprises a platform (100), wherein the platform (100) is sequentially provided with a material placing area (110), an auxiliary conveying area (120) and a main conveying area (130) in the cigarette box conveying direction, the material placing area (110) is provided with a guide groove (111), and the inner wall of the guide groove (111) is provided with a sliding groove (112);

the limiting frames (140) are symmetrically arranged on two sides of the main transmission area (130), guide arms (141) are arranged on the limiting frames (140), and a preset included angle is formed between the guide arms (141) and the transmission direction of the redrying tobacco box (800);

the pushing mechanism (200) comprises a guide block (210) and a transmission block (220), the guide block (210) is vertically connected with the transmission block (220), the guide block (210) is slidably arranged in the guide groove (111) in a penetrating manner, a sliding protrusion (211) is arranged on the guide block (210), the sliding protrusion (211) is slidably arranged in the sliding groove (112), and a first rack (221) is fixedly arranged on the transmission block (220);

the push plate (300), the said push plate (300) is fixedly connected with said guide block (210);

a first motor (240), wherein a transmission wheel (250) is arranged on an output shaft of the first motor (240), and the transmission wheel (250) is meshed with the first rack (221);

the supporting frames (500) are symmetrically arranged on two sides of the object placing area (110), and the supporting frames (500) are provided with slideways (522);

a second rack (600), the second rack (600) being slidably connected to the slideway (522);

the correction plate (610), the correction plate (610) is fixedly connected with the second rack (600);

the output shaft of the second motor (400) is fixedly provided with a gear (410), and the gear (410) is meshed with the second rack (600).

2. The automatic cigarette box deviation rectifying and conveying device according to claim 1, wherein the opposite photoelectric switches (700) are symmetrically arranged on two sides of the material placing area (110).

3. The automatic cigarette box deviation rectifying and conveying device according to claim 2, further comprising a first limit switch (150) and a second limit switch (160), wherein the first limit switch (150) is arranged at one end of the placing area (110) close to the auxiliary conveying area (120), and the second limit switch (160) is arranged at one end of the placing area (110) far away from the auxiliary conveying area (120);

one end, close to the guide block (210), of the transmission block (220) is provided with a first collision block, one end, far away from the guide block (210), of the transmission block (220) is provided with a second collision block (230), the first collision block is in contact fit with the first limit switch (150), and the second collision block (230) is in contact fit with the second limit switch (160).

4. The automatic cigarette box deviation rectifying and conveying device according to claim 3, further comprising a switch bracket (170), wherein the first limit switch (150) and the second limit switch (160) are respectively fixed on the object placing area (110) through the switch bracket (170);

the object placing area (110) is provided with a plurality of fixing holes in the length direction of the guide groove (111), and the switch support (170) is fixedly connected with the object placing area (110) through the matching of the fixing holes and bolts.

5. The automatic cigarette box deviation rectifying and conveying device according to claim 4, wherein a third limit switch (530) and a fourth limit switch (540) are arranged on the supporting frame (500), and a distance is kept between the third limit switch (530) and the fourth limit switch (540);

a third bump block (620) is arranged on the correction plate (610), and the third bump block (620) is in contact fit with the third limit switch (530);

a fourth bump block (630) is arranged at one end, far away from the correction plate (610), of the second rack (600), and the fourth bump block (630) is in contact fit with the fourth limit switch (540).

6. The automatic cigarette box deviation rectifying and conveying device according to claim 5, wherein the supporting frame (500) comprises a first supporting block (510) and a second supporting block (520), the first supporting block (510) is fixedly arranged on two sides of the object placing area (110), the second supporting block (520) is vertically connected with the first supporting block (510), a motor bracket (521) is arranged on the second supporting block (520), and a fixing portion of the second motor (400) is fixedly connected with the motor bracket (521);

the slide way (522) is arranged on the second supporting block (520), a through hole is formed in the first supporting block (510), the slide way (522) is aligned to the through hole, and one end of the second rack (600) penetrates through the through hole and then is fixedly connected with the correcting plate (610).

7. The automatic cigarette box deviation rectifying and conveying device according to claim 6, wherein a positioning block is arranged on the main conveying area (130), a sliding groove is arranged on the positioning block, and a sliding block is arranged on the limiting frame (140) and is connected with the sliding groove in a sliding manner.

8. The automatic cigarette box deviation rectifying and conveying device according to claim 7, wherein a guide wheel (131) is rotatably arranged on the limiting frame (140), and a rim of the guide wheel (131) protrudes out of the surface of the limiting frame (140).

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