CN214521886U - Plastic chip machine-shaping device - Google Patents

Abstract

The utility model discloses a plastic fragment processing and forming device in the technical field of plastic processing, which comprises an equipment platform, a melting mechanism, a feeding mechanism, a discharging mechanism, a tensioning mechanism, a shaping mechanism, a winding mechanism and a control device, wherein the melting mechanism is fixedly connected on the left side of the top of the equipment platform through bolts, the feeding mechanism is fixedly connected on the upper side of the left side wall of the melting mechanism through bolts, the discharging mechanism is fixedly connected on the lower side of the right side wall of the melting mechanism through bolts, the tensioning mechanism is fixedly connected on the top of the equipment platform through bolts and is positioned on the right side of the melting mechanism, the plastic fragment processing and forming device has reasonable structural design, can ensure even stress in the process of plastic molding and conveying, can rapidly cool and shape simultaneously, improves the quality of products, and can be more convenient and rapid when taking the plastic rolled by finished products, time and labor are saved, and meanwhile, the efficiency is improved.

Description

Plastic chip machine-shaping device

Technical Field

The utility model relates to a plastics processing technology field specifically is a plastics piece machine-shaping device.

Background

Plastic processing, also known as molding processing, is a general name of various processes for converting synthetic resin or plastic into plastic products, is a large production department in the plastic industry, and people's daily life uses plastics greatly, regardless of drinking water bottles which we drink frequently or plastic packaging boxes, so that the efficiency and the production capacity of plastic production and processing become problems which must be solved by the plastic processing industry at present.

The existing plastic material handling equipment is in the process of processing plastic molding, because the temperature of the plastic which is just molded is higher, the plastic needs to be cooled by a longer production line, the plastic which is molded in the cooling process is uneven due to stress, deformation easily occurs, and the deviation condition seriously affects the quality of finished plastic, and the process of replacing a winding rod when the finished plastic is wound is troublesome, the plastic which is well wound needs to be taken down to replace a new winding rod, so that the plastic can be wound again, time and labor are wasted, the production efficiency is also reduced, and a plastic fragment processing and molding device is provided for the plastic.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastics piece machine-shaping device, in order to solve the in-process that has proposed current plastics equipment of handing over at the machine-shaping plastics among the above-mentioned background art, because just fashioned plastics temperature is higher, need longer production line to carry out the cooling of plastics, it is inhomogeneous because of the atress at the fashioned plastics of refrigerated in-process, take place to warp easily, the condition of off tracking, and the process that need change the receipts roll rod when rolling finished product plastics is comparatively troublesome, need take down the plastics that roll up well and change new receipts roll rod, just can roll up the problem of system once more.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a plastics piece machine-shaping device, includes equipment platform, melting mechanism, feed mechanism, discharge mechanism, straining device, forming mechanism, winding mechanism and controlling means, melting mechanism passes through bolt fixed connection and is in the top left side of equipment platform, feed mechanism passes through bolt fixed connection and is in melting mechanism's left side wall upside, discharge mechanism passes through bolt fixed connection and is in melting mechanism's right side wall downside, straining device passes through bolt fixed connection and is in the top of equipment platform, and be located melting mechanism's right side, forming mechanism passes through bolt fixed connection and is in straining device's inner chamber bottom, winding mechanism passes through bolt fixed connection and is in the top right side of equipment platform, controlling means inlays melting mechanism's preceding lateral wall, controlling means pass through the electric wire with melting mechanism, The feeding mechanism, the shaping mechanism and the winding mechanism are electrically connected.

Preferably, melting mechanism includes equipment box, charging furnace, agitator motor and inhales the material pump, charging furnace passes through bolt fixed connection and is in the inner chamber wall upside of equipment box, charging furnace's bottom passes through bolt fixedly connected with hot plate, agitator motor passes through bolt fixed connection and is in department in the middle of charging furnace's the top, agitator motor's power output shaft lower extreme runs through charging furnace and extend to charging furnace's inner chamber, and fixedly connected with puddler, it passes through bolt fixed connection and is in charging furnace's bottom to inhale the material pump, the right side wall spiro union of inhaling the material pump has the discharging pipe, the end of discharging pipe runs through equipment box and extend to equipment box's right side wall, and with discharge mechanism is linked together.

Preferably, feed mechanism includes backup pad, auto sucking machine, inhales material pipe and conveyer pipe, auto sucking machine passes through bolt fixed connection in the top of backup pad, inhale the material pipe spiro union in the left side wall downside of auto sucking machine, the conveyer pipe spiro union in the top right side of auto sucking machine, the end of conveyer pipe runs through the equipment box and extends to the inner chamber of equipment box.

Preferably, discharge mechanism is including installation piece, mounting groove, mould and adjusting screw, the mounting groove is seted up the right side wall of installation piece, the mould joint is in the inner chamber of mounting groove, the adjusting screw spiro union is in department in the middle of the top of installation piece, adjusting screw's bottom is run through the installation piece extends to the inner chamber of mounting groove, and rotates to be connected at the upside department in the middle of the top of mould.

Preferably, straining device includes mount pad, mounting bracket and telescopic link, the top of mount pad is rotated and is connected with the conveying roller, and arranges in proper order from a left side to the right side, the mounting bracket passes through bolt fixed connection and is in the top four corners of mount pad, the telescopic link spiro union is in both sides around the inner chamber top of mounting bracket, and arrange in proper order from a left side to the right side, the bottom of telescopic link is rotated and is connected with the tensioning roller, the inner chamber of telescopic link is embedded to have the spring.

Preferably, the sizing mechanism includes fan, connecting pipe, communicating pipe and air outlet, the connecting pipe passes through bolt fixed connection and is in the top of fan, the connecting pipe spiro union is in department in the middle of the back lateral wall of connecting pipe, the end of communicating pipe runs through the mount pad and extends to the inner chamber top of mounting bracket, air outlet fixed connection is in the top of connecting pipe and the end of communicating pipe, and arrange from a left side to the right side in proper order.

Preferably, the winding mechanism comprises a support rod, an adjusting motor, a rotating frame and a rotating motor, the adjusting motor is fixedly connected to the upper side of the rear side wall of the support rod at the rear side through a bolt, the power output of the adjusting motor penetrates through the supporting rod at the rear side at the front end and extends to the front side of the supporting rod at the rear side, and is fixedly connected with an adjusting rotating shaft, the front end of the adjusting rotating shaft is rotatably connected with the upper side of the rear side wall of the supporting rod at the front side, the rotating frame is fixedly connected with the front side and the rear side of the outer side wall of the adjusting rotating shaft, the rotating motor is fixedly connected with four corners of the rear side wall of the rotating frame at the rear side through bolts, the front end of a power output shaft of the rotating motor penetrates through the rotating frame at the rear side and extends to the front side wall of the rotating frame at the rear side, and the front end of the rotating shaft is rotatably connected with four corners of the rear side wall of the rotating frame at the front side.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this plastics piece machine-shaping device, cooperation through straining device and forming mechanism is used, the plastics that the shaping was come out pass between conveying roller and the tensioning roller, the reconnection is to on the winding mechanism, rotation through the winding mechanism, the effect of the spring in the telescopic link through fixed tensioning roller, make the tensioning roller sticiss plastics, the fan starts simultaneously, the fan blows off wind from the air outlet through connecting pipe and communicating pipe, two sides cool off fast about the plastics of shaping, thereby can guarantee that the in-process atress that the plastics shaping was carried is even, can cool off the design fast simultaneously, the quality of product is improved.

2. This plastics piece machine-shaping device, use through winding mechanism, it rotates the pivot to drive through the rotation motor on the rotating turret, roll up the system to finished product plastics, when rotating pivot rolling and accomplishing plastics, rotation through adjustment motor, adjustment motor drives the regulation pivot and rotates, it rotates to adjust the pivot and drive the rotating turret, the rotating turret drives the plastics that roll up the system and rotates, cut off plastics, install and continue to roll up the system in next rotation pivot, take off finished product plastics that will roll up the system from the rotating turret, install new rotation pivot, analogize in proper order, thereby can be more convenient and fast when the plastics of finished product system of taking, labour saving and time saving has also improved efficiency simultaneously.

Drawings

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

FIG. 2 is a schematic sectional view of the front view of the present invention;

FIG. 3 is a schematic left sectional view of the tensioning mechanism and the setting mechanism of the present invention;

FIG. 4 is a schematic view of a right sectional view of the winding mechanism of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 100. an equipment table; 200. a melting mechanism; 210. an equipment box; 220. a charging furnace; 221. heating plates; 230. a stirring motor; 231. a stirring rod; 240. a suction pump; 241. a discharge pipe; 300. a feeding mechanism; 310. a support plate; 320. a material suction machine; 330. a material suction pipe; 340. a delivery pipe; 400. a discharging mechanism; 410. mounting blocks; 420. mounting grooves; 430. a mold; 440. adjusting the screw rod; 500. a tensioning mechanism; 510. a mounting seat; 511. a conveying roller; 520. a mounting frame; 530. a telescopic rod; 531. a tension roller; 532. a spring; 600. a shaping mechanism; 610. a fan; 620. a connecting pipe; 630. a communicating pipe; 640. an air outlet; 700. a winding mechanism; 710. a support bar; 720. adjusting the motor; 721. adjusting the rotating shaft; 730. a rotating frame; 740. rotating the motor; 741. rotating the rotating shaft; 800. and a control device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a plastic fragment processing and forming device, which improves the product quality and the production efficiency, and please refer to fig. 1, comprising an equipment platform 100, a melting mechanism 200, a feeding mechanism 300, a discharging mechanism 400, a tensioning mechanism 500, a shaping mechanism 600, a winding mechanism 700 and a control device 800;

referring to fig. 1 again, the equipment table 100 is used for installing and supporting the melting mechanism 200, the feeding mechanism 300, the discharging mechanism 400, the tensioning mechanism 500, the shaping mechanism 600, the winding mechanism 700 and the control device 800;

referring to fig. 1 again, the melting mechanism 200 is fixedly connected to the left side of the top of the equipment table 100 by bolts, and the melting mechanism 200 is used for melting plastic chips;

referring to fig. 1 again, the feeding mechanism 300 is fixedly connected to the upper side of the left sidewall of the melting mechanism 200 by bolts, and the feeding mechanism 300 is used for conveying plastic chips into the melting mechanism 200;

referring to fig. 1 again, the discharging mechanism 400 is fixedly connected to the lower side of the right side wall of the melting mechanism 200 through bolts, and the discharging mechanism 400 is used for discharging the melted plastic;

referring to fig. 1 again, the tensioning mechanism 500 is fixedly connected to the top of the equipment table 100 through bolts and is located at the right side of the melting mechanism 200, and the tensioning mechanism 500 is used for preventing the formed plastic from deviating;

referring to fig. 1 again, the shaping mechanism 600 is fixedly connected to the bottom of the inner cavity of the tensioning mechanism 500 through bolts, and the shaping mechanism 600 is used for shaping plastics in cooperation with the tensioning mechanism 500;

referring to fig. 1 again, the rolling mechanism 700 is fixedly connected to the right side of the top of the equipment table 100 through bolts, and the rolling mechanism 700 is used for rolling molded plastic;

referring to fig. 1 again, the control device 800 is electrically connected to the melting mechanism 200, the feeding mechanism 300, the shaping mechanism 600 and the winding mechanism 700 through wires, the control device 800 is embedded in the front side wall of the melting mechanism 200, and the control device 800 is used for controlling the start and stop of the melting mechanism 200, the feeding mechanism 300, the shaping mechanism 600 and the winding mechanism 700.

Referring to fig. 1 again, in order to melt the plastic fragments rapidly, the melting mechanism 200 includes an equipment box 210, a charging furnace 220, a stirring motor 230 and a material suction pump 240, the charging furnace 220 is fixedly connected to the upper side of the inner cavity wall of the equipment box 210 through bolts, the bottom of the charging furnace 220 is fixedly connected to a heating plate 221 through bolts, the stirring motor 230 is fixedly connected to the middle of the top of the charging furnace 220 through bolts, the lower end of a power output shaft of the stirring motor 230 penetrates through the charging furnace 220 and extends to the inner cavity of the charging furnace 220, and is fixedly connected to a stirring rod 231, the material suction pump 240 is fixedly connected to the bottom of the charging furnace 220 through bolts, a material discharge pipe 241 is screwed to the right side wall of the material suction pump 240, and the end of the material discharge pipe 241 penetrates through the equipment box 210 and extends to the right side wall of the equipment box 210 and is communicated with the material discharge mechanism 400.

Referring to fig. 1 again, in order to realize the automatic feeding of the plastic fragments, the feeding mechanism 300 includes a supporting plate 310, a suction machine 320, a suction pipe 330 and a delivery pipe 340, the suction machine 320 is fixedly connected to the top of the supporting plate 310 through bolts, the suction pipe 330 is screwed to the lower side of the left side wall of the suction machine 320, the delivery pipe 340 is screwed to the right side of the top of the suction machine 320, and the end of the delivery pipe 340 penetrates through the equipment box 210 and extends to the inner cavity of the equipment box 210.

Referring to fig. 1 again, in order to discharge and mold the melted plastic, the discharging mechanism 400 includes an installation block 410, an installation groove 420, a mold 430 and an adjusting screw 440, the installation groove 420 is disposed on the right side wall of the installation block 410, the mold 430 is clamped in the inner cavity of the installation groove 420, the adjusting screw 440 is screwed in the middle of the top of the installation block 410, the bottom end of the adjusting screw 440 penetrates through the installation block 410 and extends to the inner cavity of the installation groove 420, and is rotatably connected in the middle of the top of the upper mold 430.

Please refer to fig. 1 again, in order to make the stress of the formed plastic uniform, and not to deviate, the tensioning mechanism 500 includes a mounting seat 510, a mounting frame 520 and a telescopic rod 530, the top of the mounting seat 510 is rotated and connected with a conveying roller 511, and is arranged from left to right in sequence, the mounting frame 520 is fixedly connected at four corners of the top of the mounting seat 510 through bolts, the telescopic rod 530 is screwed on the front and back sides of the top of the inner cavity of the mounting frame 520, and is arranged from left to right in sequence, the bottom of the telescopic rod 530 is rotated and connected with a tensioning roller 531, and a spring 532 is embedded in the inner cavity of the telescopic rod 530.

Referring to fig. 1 again, in order to cool and shape the molded plastic, the shaping mechanism 600 includes a fan 610, a connection pipe 620, a connection pipe 630 and an air outlet 640, the connection pipe 620 is fixedly connected to the top of the fan 610 through a bolt, the connection pipe 630 is screwed to the middle of the rear sidewall of the connection pipe 620, the end of the connection pipe 630 penetrates through the mounting base 510 and extends to the top of the inner cavity of the mounting frame 520, and the air outlet 640 is fixedly connected to the top of the connection pipe 620 and the end of the connection pipe 630 and sequentially arranged from left to right.

Referring to fig. 1 again, in order to roll the finished plastic product for later use, the rolling mechanism 700 includes a support rod 710, an adjusting motor 720, a rotating frame 730 and a rotating motor 740, the adjusting motor 720 is fixedly connected to the upper side of the rear side wall of the rear support rod 710 by bolts, the power output of the adjusting motor 720 penetrates through the rear support rod 710 at the front end and extends to the front side of the rear support rod 710, and is fixedly connected with an adjusting rotating shaft 721, the front end of the adjusting rotating shaft 721 is rotatably connected to the upper side of the rear side wall of the front side supporting rod 710, a rotating frame 730 is fixedly connected to the front and rear sides of the outer side wall of the adjusting rotating shaft 721, a rotating motor 740 is fixedly connected to four corners of the rear side wall of the rear side rotating frame 730 through bolts, the front end of a power output shaft of the rotating motor 740 penetrates through the rear side rotating frame 730 and extends to the front side wall of the rear side rotating frame 730, and a rotation shaft 741 is fixedly connected, and the front end of the rotation shaft 741 is rotatably connected to four corners of the rear sidewall of the front side rotating frame 730.

When the plastic fragment processing and forming machine is used specifically, a person skilled in the art processes and forms plastic fragments by placing a bag filled with the plastic fragments at the bottom of the material suction pipe 330, placing the material suction pipe 330 into the plastic fragments, starting the material suction machine 320 through the control device 800, sucking the plastic fragments through the material suction pipe 330 by the material suction machine 320, then entering the material charging furnace 220 in the equipment box 210 through the conveying pipe 340, starting the heating plate 221 through the control device 800, heating and melting the plastic fragments in the material charging furnace 220 after the heating plate 221 is powered on, sucking the melted plastic through the starting of the material suction pump 240, entering the installation block 410 through the material discharge pipe 241, discharging through the mold 430 in the installation groove 420, allowing the formed plastic to pass through between the conveying roller 511 and the tension roller 531, then connecting to the winding mechanism 700, rotating through the rotation of the mechanism 700, and acting through the spring 532 in the expansion link 530 for fixing the tension roller 531, the tensioning roller 531 is enabled to tightly press the plastic, meanwhile, the fan 610 is started, the fan 610 blows air out of the air outlet 640 through the connecting pipe 620 and the communicating pipe 630, the upper surface and the lower surface of the formed plastic are rapidly cooled, the rotating shaft 741 is driven to rotate through the rotating motor 740 on the rotating frame 730, finished plastic is rolled, when the rotating shaft 741 is rolled to complete the plastic, the adjusting motor 720 rotates, the adjusting motor 720 drives the adjusting shaft 721 to rotate, the adjusting shaft 721 drives the rotating frame 730 to rotate, the rotating frame 730 drives the rolled plastic to rotate, the plastic is cut off, the plastic is mounted on the next rotating shaft 741 to continue rolling, the rolled finished plastic is taken down from the rotating frame 730, a new rotating shaft 741 is mounted, and the process molding of plastic fragments is finished by analogy in sequence.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (7)

1. The utility model provides a plastics piece machine-shaping device which characterized in that: comprises an equipment table (100), a melting mechanism (200), a feeding mechanism (300), a discharging mechanism (400), a tensioning mechanism (500), a shaping mechanism (600), a rolling mechanism (700) and a control device (800), wherein the melting mechanism (200) is fixedly connected to the left side of the top of the equipment table (100) through bolts, the feeding mechanism (300) is fixedly connected to the upper side of the left side wall of the melting mechanism (200) through bolts, the discharging mechanism (400) is fixedly connected to the lower side of the right side wall of the melting mechanism (200) through bolts, the tensioning mechanism (500) is fixedly connected to the top of the equipment table (100) through bolts and is positioned at the right side of the melting mechanism (200), the shaping mechanism (600) is fixedly connected to the bottom of the inner cavity of the tensioning mechanism (500) through bolts, the rolling mechanism (700) is fixedly connected to the right side of the top of the equipment table (100) through bolts, the control device (800) is embedded in the front side wall of the melting mechanism (200), and the control device (800) is electrically connected with the melting mechanism (200), the feeding mechanism (300), the shaping mechanism (600) and the winding mechanism (700) through electric wires.

2. A plastic chip forming machine according to claim 1, wherein: the melting mechanism (200) comprises an equipment box (210), a charging furnace (220), a stirring motor (230) and a material sucking pump (240), wherein the charging furnace (220) is fixedly connected to the upper side of the inner cavity wall of the equipment box (210) through bolts, the bottom of the charging furnace (220) is fixedly connected with a heating plate (221) through bolts, the stirring motor (230) is fixedly connected to the middle of the top of the charging furnace (220) through bolts, the lower end of a power output shaft of the stirring motor (230) penetrates through the charging furnace (220) and extends to the inner cavity of the charging furnace (220), a stirring rod (231) is fixedly connected with the lower end of the power output shaft, the material sucking pump (240) is fixedly connected to the bottom of the charging furnace (220) through bolts, a material discharging pipe (241) is screwed on the right side wall of the material sucking pump (240), and the tail end of the material discharging pipe (241) penetrates through the equipment box (210) and extends to the right side wall of the equipment box (210), and is communicated with the discharging mechanism (400).

3. A plastic chip forming machine according to claim 1, wherein: feed mechanism (300) are including backup pad (310), auto sucking machine (320), inhale material pipe (330) and conveyer pipe (340), auto sucking machine (320) pass through bolt fixed connection in the top of backup pad (310), inhale material pipe (330) spiro union and be in the left side wall downside of auto sucking machine (320), conveyer pipe (340) spiro union is in the top right side of auto sucking machine (320), the end of conveyer pipe (340) runs through equipment box (210) and extends to the inner chamber of equipment box (210).

4. A plastic chip forming machine according to claim 1, wherein: discharge mechanism (400) is including installation piece (410), mounting groove (420), mould (430) and adjusting screw (440), installation groove (420) are seted up the right side wall of installation piece (410), mould (430) joint is in the inner chamber of mounting groove (420), adjusting screw (440) spiro union is in department in the middle of the top of installation piece (410), the bottom of adjusting screw (440) is run through installation piece (410) and extend to the inner chamber of mounting groove (420), and rotate to connect at the upside department in the middle of the top of mould (430).

5. A plastic chip forming machine according to claim 1, wherein: straining device (500) includes mount pad (510), mounting bracket (520) and telescopic link (530), the top of mount pad (510) is rotated and is connected with conveying roller (511), and arranges in proper order from a left side to the right side, mounting bracket (520) are in through bolt fixed connection the top four corners of mount pad (510), telescopic link (530) spiro union is in both sides around the inner chamber top of mounting bracket (520), and arrange in proper order from a left side to the right side, the bottom of telescopic link (530) is rotated and is connected with tensioning roller (531), the inner chamber of telescopic link (530) is embedded to have spring (532).

6. A plastic chip forming machine according to claim 1, wherein: sizing mechanism (600) includes fan (610), connecting pipe (620), communicating pipe (630) and air outlet (640), connecting pipe (620) pass through bolt fixed connection and are in the top of fan (610), department in the middle of the back lateral wall of connecting pipe (620) is in communicating pipe (630) spiro union, the end of communicating pipe (630) runs through mount pad (510) and extends to the inner chamber top of mounting bracket (520), air outlet (640) fixed connection be in the top of connecting pipe (620) and the end of communicating pipe (630), and arrange from a left side to the right side in proper order.

7. A plastic chip forming machine according to claim 1, wherein: the winding mechanism (700) comprises a supporting rod (710), an adjusting motor (720), a rotating frame (730) and a rotating motor (740), the adjusting motor (720) is fixedly connected to the upper side of the rear side wall of the supporting rod (710) at the rear side through bolts, the power output of the adjusting motor (720) penetrates through the rear side at the front end of the supporting rod (710) and extends to the front side of the supporting rod (710) at the rear side, an adjusting rotating shaft (721) is fixedly connected to the front end of the adjusting rotating shaft (721), the front end of the adjusting rotating shaft (721) is rotatably connected to the upper side of the rear side wall of the supporting rod (710) at the front side, the rotating frame (730) is fixedly connected to the front side and the rear side of the outer side wall of the adjusting rotating shaft (721), the rotating motor (740) is fixedly connected to the four corners of the rear side wall of the rotating frame (730) at the rear side through bolts, the front end of a power output shaft of the rotating motor (740) penetrates through the rear side of the rotating frame (730) and extends to the front side of the rear side of the rotating frame (730), and a rotating shaft (741) is fixedly connected, and the front end of the rotating shaft (741) is rotatably connected to four corners of the rear side wall of the rotating frame (730) at the front side.

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