CN214605880U

CN214605880U - High-speed film blowing machine

Info

Publication number: CN214605880U
Application number: CN202120685423.7U
Authority: CN
Inventors: 方顺风; 潘时付; 薛迪武; 叶顺云
Original assignee: Zhejiang Power Fan Machinery Co ltd
Current assignee: Zhejiang Power Fan Machinery Co ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-11-05
Anticipated expiration: 2031-04-06

Abstract

The utility model discloses a high-speed inflation film manufacturing machine, the installation base comprises an installation base, the blown film case is installed at the top of installation base, roller axle box and pay-off case, the support frame is installed to the bottom of installation base, the pay-off case is installed through the top of installation base, when carrying out the transportation of blown film raw materials, the inside that the agitator tank got into the pay-off case is passed through to the raw materials, when the raw materials gets into the agitator tank, agitator motor drives the stirring thick liquid and rotates, make can be abundant stir at the inside raw materials of agitator tank, improve the effect of later stage film preparation, it carries out the transportation of raw materials to drive the screw conveyor blade through starting feeder motor, can improve the efficiency of pay-off, also can avoid the condition that the raw materials blockked up to appear when the transportation simultaneously, the application range of device has been improved when guaranteeing efficiency.

Description

High-speed film blowing machine

Technical Field

The utility model relates to a inflation film manufacturing machine technical field specifically is a high-speed inflation film manufacturing machine.

Background

The film blowing machine is a device specially used for producing plastic films, the plastic films need to be rolled by a rolling device from blow molding to material rolling, at present, the films are more and more widely applied in production and life of people, the film blowing machine is widely applied to the fields of food, medicine, chemical industry and the like, the proportion of food packages is the largest, and great convenience is brought to life of people. The inflation film manufacturing machine is main production facility, and traditional inflation film manufacturing machine is in practical, and inefficiency when carrying out plastic film production, the whole production efficiency of influence device, and linkage between roller and the device is relatively poor when blown film production, has reduced the work efficiency of device, and current coiling mechanism guide roll and cutting mechanism are fixed setting, can not adjust according to actual film width, and accommodation is narrow, uses inconveniently.

Disclosure of Invention

An object of the utility model is to provide a high-speed inflation film manufacturing machine to the blowing inefficiency that proposes in solving above-mentioned background art and operate too loaded down with trivial details problem.

In order to achieve the above object, the utility model provides a following technical scheme: a high-speed film blowing machine comprises an installation base 4, a film blowing box 1, a roller box 2 and a feeding box 3 are installed at the top of the installation base 4, a support frame 401 is installed at the bottom of the installation base 4, an agitating box 302 is installed at the top of the feeding box 3 in a communicated manner, an agitating motor 303 is installed at one side of the agitating box 302, an output shaft of the agitating motor 303 is linked with an agitating paddle 304 in the agitating box 302, one end of the feeding box 3 is connected with and installed with a feeding motor 301, the output end of the feeding motor 301 is connected with a spiral conveying blade 305 matched with the feeding box 3 in a butt joint manner, the output end of the feeding box 3 is connected with and installed with a film blowing machine main body 101, the film blowing machine main body 101 is arranged in the film blowing box 1, a film blowing head 102 matched with each other for use is installed at the output end of the film blowing machine main body 101, and a film pressing mechanism 103 is installed at the top of the film blowing machine main body 101 in a communicated manner, one side of the film blowing box 1 is provided with a first guide roller 104 used in cooperation with the film pressing mechanism 103, the top of the mounting base 4 is provided with a guide roller frame 106 at the discharge side of the film blowing box 1, the top of the guide roller frame 106 is connected with a second guide roller 105 used for matching with the first guide roller 104, the roller axle box 2 is positioned at the discharging side of the guide roller frame 106, a support 213 is arranged in the roller axle box 2, a main roller shaft 201 is arranged on the support 213, a fork plate 202 is arranged on the main roller shaft 201, the fork plate 202 is used for transferring an empty winding roller 203, a limiting roller shaft 204 is connected to the left side of the fork plate 202 on the main roller shaft 201, a winding frame 210 is arranged on the left side of the support 213, the winding frame 210 is arranged on the mounting base 4 in a lifting way, the winding frame 210 is used for rotatably supporting the winding roller shaft 206, and the left side of the winding roller shaft 206 is provided with storage roller shaft frames 208 which are matched with each other for use.

Further: the front of the film blowing box 1 and the front of the roller shaft box 2 are both movably provided with device doors 108, and the front of the film blowing box 1 is provided with control panels 107 which are matched with each other for use.

Further: one end of the main roller shaft 201 is connected with an output shaft of a driving motor 205, and the driving motor 205 is installed on the front surface of the roller shaft box 2.

Further: the top of the roller housing 2 is provided with a cutter 207 for use with the restraining roller shaft 204.

Further: the top of the stirring box 302 is provided with a filling port 307 which is used in cooperation with each other, the outer wall of the feeding box 3 is provided with a heating inner container 308 which is used in cooperation with the spiral conveying blade 305, and a heater 306 is arranged inside the heating inner container 308.

Further: one side of primary roll axle 201 is provided with the change frame 209 that the empty wind-up roll 203 of cooperation used, it is in to change frame 209 liftable setting on the installation base 4, it is close to change frame 209 upper end the activity of primary roll axle 201 one side is articulated to have dog 212, dog 212 is by installing change the upset of the cylinder 211 drive on the frame 209.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of high-speed inflation film manufacturing machine is rational in infrastructure, has following advantage:

(1) the feeding box is arranged at the top of the mounting base, when blown film raw materials are conveyed, the raw materials enter the feeding box through the stirring box, when the raw materials enter the stirring box, the stirring motor drives the stirring paddle to rotate, so that the raw materials in the stirring box can be fully stirred, the raw materials are prevented from being clamped at the inlet of the feeding box due to the bridging phenomenon, the effect of later-stage film manufacturing is improved, the stirred raw materials can be uniformly fed into the feeding box through the bottom of the stirring box, the feeding motor drives the spiral conveying blades to convey the raw materials, the feeding efficiency can be improved, and meanwhile, the raw materials are uniformly heated;

(2) the film blowing box is arranged at the top of the mounting base, when a film is manufactured, the bottom of the film blowing machine main body is in butt joint communication with the feeding box, so that the feeding box can reliably and accurately convey stirred raw materials into the film blowing machine main body at a constant speed, the effect of film manufacturing can be improved while the efficiency is ensured, a film blowing head matched with the film blowing machine main body is arranged at the top of the film blowing machine main body, the efficiency of film blowing manufacturing can be improved, a film pressing mechanism is arranged at the top of the film blowing head in a communication mode, film pressing treatment can be carried out on the manufactured film, the width of the film is ensured to be stable, the manufactured film is guided out through the first guide roller and is guided and cooled through the second guide roller arranged on the guide roller frame, the film is prevented from being stretched in the conveying process, the film thickness stability and the conveying effect are improved, and the practicability of the device is improved;

(3) through the output butt joint at the second guide roll there is the roller axle box, when the rolling was accomplished, the roller that has rolled up got into through sliding and accomodates the roller axle frame, and new empty wind-up roll automatic cycle rolling has reduced staff's work load, realizes the automatic rolling purpose, improves inflation film manufacturing machine's work efficiency, has reduced workman's work burden.

Drawings

Fig. 1 is a schematic view of the front view cross-sectional structure of the present invention.

Fig. 2 is a schematic front view of the structure of the present invention.

Fig. 3 is a schematic view of the assembly a of the present invention.

Fig. 4 is a schematic structural diagram of the assembly B of the present invention.

Fig. 5 is a schematic structural view of the film pressing mechanism of the present invention.

Fig. 6 is the utility model discloses an automatic change empty rolling axle schematic diagram.

In the figure: 1. a film blowing box; 101. a film blowing machine main body; 102. blowing a film head; 103. a film pressing mechanism; 104. a first guide roller; 105. a second guide roller; 106. a guide roller frame; 107. a control panel; 108. a device door; 2. a roll axle housing; 201. a primary roller shaft; 202. a fork plate; 203. an empty wind-up roll; 204. a limiting roll shaft; 205. a drive motor; 206. a winding roller shaft; 207. a cutter; 208. a take-in roller frame; 209. replacing the rack; 210. a winding frame; 211. a cylinder; 212. a stopper; 213. a support; 3. a feeding box; 301. a feeding motor; 302. a stirring box; 303. a stirring motor; 304. stirring the slurry; 305. a screw conveying blade; 306. a heater; 307. a material injection port; 308. heating the inner container; 4. installing a base; 401. a support frame.

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.

Referring to fig. 1-6, the present invention provides an embodiment: a high-speed film blowing machine comprises an installation base 4, a film blowing box 1, a roll shaft box 2 and a feeding box 3 are installed at the top of the installation base 4, a support frame 401 is installed at the bottom of the installation base 4, an agitating box 302 is installed at the top of the feeding box 3 in a communicating manner, an agitating motor 303 is installed at one side of the agitating box 302, an output shaft of the agitating motor 303 is linked with an agitating paddle 304 in the agitating box 302, a feeding motor 301 is installed at one end of the feeding box 3 in a connecting manner, a spiral conveying blade 305 matched with the feeding box 3 is connected to the output end of the feeding motor 301 in a butt joint manner, a film blowing machine main body 101 is installed at the output end of the feeding box 3 in a connecting manner, the film blowing machine main body 101 is arranged in the film blowing box 1, a film blowing head 102 matched with each other for use is installed at the output end of the film blowing machine main body 101 in a butt joint manner, a film pressing mechanism 103 is installed at the top of the film blowing machine main body 101 in a communicating manner, a first guide roller 104 matched with the film pressing mechanism 103 is arranged at one side of the film blowing box 1, the top of the installation base 4 is positioned at the discharge side of the film blowing box 1 and is provided with a guide roller frame 106, the top of the guide roller frame 106 is connected with a second guide roller 105 which is used for matching with the first guide roller 104, the roller shaft box 2 is positioned at the discharge side of the guide roller frame 106, a support 213 is arranged in the roller shaft box 2, a main roller shaft 201 is arranged on the support 213, a fork plate 202 is arranged on the main roller shaft 201 and is used for transferring an empty winding roller 203, a limiting roller shaft 204 is connected to the left side of the fork plate 202 on the main roller shaft 201, a winding frame 210 is arranged on the left side of the support 213 and can be installed on the installation base 4 in a lifting way, the winding frame 210 is used for rotatably supporting a winding roller shaft 206, the left side of the winding roller shaft 206 is provided with storage roller frames 208 which are mutually matched, here, the left side height of the storage roller frames 208 is lower than the right side height, after winding, the winding frame 210 descends, the winding roller shaft 206 is supported by the upper surface of the storage roller frames 208, the take-up roller shaft 206 rolls to the left side under its own weight.

By installing the feeding box 3 on the top of the installation base 4, when the film blowing raw material is conveyed, the raw material enters the feeding box 3 through the stirring box 302, when the raw material enters the stirring box 302, the stirring motor 303 drives the stirring paddle 304 to rotate, so that the raw material in the stirring box 302 can be fully stirred, the bottom of the stirring box 302 is communicated with the feeding box 3, so that the stirred raw materials can be uniformly fed into the feeding box 3, the raw materials are prevented from being clamped at the inlet of the feeding box 3 due to the bridging phenomenon, the feeding motor 301 drives the spiral conveying blade 305 to convey the raw materials, and the raw materials are conveyed by the strong force of the spiral conveying blade 305, meanwhile, the raw materials are heated evenly, the feeding efficiency can be improved, the integral working efficiency is improved, simultaneously, the condition that the raw materials are blocked during conveying can be avoided, and the use range of the device is improved while the efficiency is ensured.

Specifically, the film blowing box 1 is installed on the top of the installation base 4, when a film is manufactured, the inlet end of the film blowing machine main body 101 is in butt joint communication with the outlet end of the feeding box 3, so that the feeding box 3 can accurately and continuously convey heated raw materials into the film blowing machine main body 101, the film manufacturing efficiency can be improved while the speed is ensured, the film blowing head 102 which is matched with the film blowing machine main body 101 is arranged on the top of the film blowing machine main body 101, the film blowing manufacturing efficiency can be improved, the film pressing mechanism 103 is installed on the top of the film blowing head 102 in a communication mode, film pressing treatment can be carried out on the manufactured film, the width of the film is ensured to be stable, the film pressing mechanism 103 is two rollers which are used in a matched mode, the manufactured film is guided out through the first guide roller 104 and guided and cooled through the second guide roller 105 installed on the guide roller frame 106, the second guide roller 105 adopts a cold roller structure which is internally provided with water cooling in the prior art, the film is fully cooled and shaped, the film is prevented from being stretched in the conveying process, the film thickness stability and the conveying effect are improved, and the practicability of the device is improved.

Specifically, the output end of the second guide roll 105 is connected with the roll shaft box 2 in a butt joint mode, when the film rolling shaft is transported and rolled, the film enters the roll shaft box 2 through the second guide roll 105, the fork plates 202 are installed at two ends of the main roll shaft 201 in a butt joint mode, one side of each fork plate 202 is connected with a limiting roll shaft 204 used by matching with the empty rolling roll 203, each limiting roll shaft 204 can support and limit the film, the film is cut conveniently, the rolling work is carried out by matching with a rolling roll shaft 206, when the rolling is finished, the rolling frame 210 descends, the rolled roll shaft enters the accommodating roll shaft frame 208 through sliding, then the rolling frame 210 ascends and resets, the workload of workers is reduced, the rolling frame 210 ascends and descends and can be driven by a cylinder or other driving devices, the fork plates 202 are rotated to drive the empty rolling roll 203 to carry out arc-direction replacement work, so that the empty rolling roll 203 can accurately fall into the rolling frame 210, the purpose of automatic roll changing and rolling is achieved, the working efficiency of film blowing and rolling is improved, and the working burden of work is reduced.

Preferably: the front faces of the film blowing box 1 and the roller shaft box 2 are movably provided with device doors 108, and the front face of the film blowing box 1 is provided with control panels 107 which are matched with each other for use.

Preferably: one end of the main roller shaft 201 is connected to an output shaft of a drive motor 205, and the drive motor 205 is installed on the front surface of the roller shaft housing 2.

Preferably: the top of the roller housing 2 is provided with a cutter 207 for use with the restraining roller shaft 204.

Preferably: the top of the stirring box 302 is provided with a filling port 307 which is used in cooperation with each other, the outer wall of the feeding box 3 is provided with a heating inner container 308 which is used in cooperation with the spiral conveying blade 305, and a heater 306 is arranged inside the heating inner container 308.

Preferably: one side of main roller axle 201 is provided with the change frame 209 that the cooperation was used to empty wind-up roll 203, changes frame 209 liftable setting on installation base 4, changes the movable articulated dog 212 that has of frame 209 upper end near main roller axle 201 one side, and dog 212 is driven the upset by installing the cylinder 211 on changing frame 209.

The working principle is as follows: when in use, firstly, the feeding box 3 is arranged on the top of the mounting base 4, when the blown film raw material is transported, the raw material enters the feeding box 3 through the injection port 307 on the top of the stirring box 302, when the raw material enters the stirring box 302, the stirring motor 303 drives the stirring slurry 304 to rotate, so that the raw material in the stirring box 302 can be fully stirred, the raw material is prevented from being clamped at the inlet of the feeding box 3 due to the bridging phenomenon, the effect of later-stage film production is improved, the stirred raw material can be uniformly put into the feeding box 3 through the communication between the bottom of the stirring box 302 and the feeding box 3, the feeding motor 301 is started to drive the spiral conveying blade 305 to carry out the powerful continuous conveying of the raw material, the heating inner container 308 which is matched with the outer wall of the feeding box 3 is arranged, the heater 306 is arranged in the heating inner container 308 and can heat the raw material, the later-stage film blowing treatment is facilitated, the feeding efficiency can be improved through the conveying of the spiral conveying blades 305, the overall working efficiency is improved, the raw materials are uniformly heated, and the use range of the device is improved while the efficiency is ensured;

secondly, the film blowing box 1 is arranged on the top of the mounting base 4, when the film is manufactured, the feeding end of the film blowing machine main body 101 is in butt joint communication with the discharging end of the feeding box 3, so that the feeding box 3 can accurately convey the stirred raw materials into the film blowing machine main body 101, the film manufacturing efficiency can be improved while the speed is ensured, the raw materials can be prevented from being wasted due to the accurate transportation, the cost consumption is reduced, the film blowing head 102 matched with the film blowing machine main body 101 is arranged on the top of the film blowing machine main body 101, the film blowing manufacturing efficiency can be improved, the film pressing mechanism 103 is arranged on the top of the film blowing head 102 in a communication mode, the film pressing treatment can be carried out on the manufactured film, the stable film width is ensured, the manufactured film is led out through the first guide roller 104 and is guided and cooled through the second guide roller 105 arranged on the guide roller frame 106, the second guide roller 105 adopts the cold roller structure which is internally cooled through water in the prior art, the film is fully cooled and shaped, the film is prevented from being stretched in the conveying process, the practicability of the device is improved, meanwhile, the supporting frame 401 is arranged at the bottom of the mounting base 4 and can support the mounting base 4, the stability of the device in operation is facilitated, meanwhile, device doors 108 are movably arranged on the front sides of the film blowing box 1 and the roller shaft box 2, regular inspection of the internal structure of the device can be facilitated for maintenance personnel, the device is prevented from being damaged, meanwhile, the control panel 107 which is used in a matched mode is arranged on the front side of the film blowing box 1, the whole device can be regulated and controlled, and the practicability of the device is improved;

finally, the film is guided into the roller box 2 through the second guide roller 105 and the intermediate guide roller, and is guided to the winding roller shaft 206 on the winding frame 210 through the limit roller shaft 204 to be wound, wherein the winding roller shaft 206 is connected with a power source, the connection mode can be selected from the connection mode in the winding machine in the prior art, when the winding roller shaft 206 finishes winding, the driving motor 205 drives the main roller shaft 201 to drive the fork plate 202 and the limit roller shaft 204 to rotate clockwise, so that the fork plate 202 is positioned at the right side of the main roller shaft 201, at the same time, the limit roller shaft 204 is positioned above the main roller shaft 201, meanwhile, the replacing frame 209 is lifted to the position matched with the fork plate 202, the cylinder 211 drives the stop block 212 to turn over and open, the empty winding roller 203 rolls into the fork opening of the fork plate 202 from the replacing frame 209, then, the driving motor 205 drives the main roller shaft 201 to drive the fork plate 202 and the limit roller shaft 204 to rotate, so that the empty winding roller 203 on the fork plate 202 is positioned above the main roller shaft 201 anticlockwise, the limit roller shaft 204 is positioned at the left side of the main roller shaft 201, at this time, the cutter 207 extends out to cut off the film from the position between the empty wind-up roller 203 and the limit roller shaft 204, correspondingly, the wind-up frame 210 descends, the wind-up roller shaft 206 is supported by the upper surface of the receiving roller shaft frame 208, the wind-up roller shaft 206 rolls to the left side under the action of self gravity, then the wind-up frame 210 ascends and resets, the driving motor 205 drives the main roller shaft 201 to drive the fork plate 202 and the limit roller shaft 204 to continue to rotate anticlockwise, normally, double-sided adhesive tape is adhered to the excircle of the empty wind-up roller 203, when the cutter 207 cuts off the film, the film is automatically adhered to the empty wind-up roller 203, so that the empty wind-up roller 203 can pull the film to continue to advance, when the fork plate 202 drives the empty wind-up roller 203 to the upper part of the wind-up frame 210, the empty wind-up roller 203 is rolled into the wind-up frame 210 and connected with a power source to start winding up to become a new wind-up roller shaft 206, synchronously, the driving motor 205 drives the main roller shaft 201 to drive the fork plate 202 and the limiting roller shaft 204 to rotate clockwise, so that the fork plate 202 is located on the right side of the main roller shaft 201, the limiting roller shaft 204 is located above the main roller shaft 201, the fork plate 202 is in a state of waiting for receiving a new empty winding shaft 203, the limiting roller shaft 204 guides the film to advance, and at the moment, the new empty winding shaft 203 can be placed into the replacement rack 209 which is lowered and reset for standby; so circulate, realize the automatic rolling purpose, change a roll rolling in-process, the blown film work lasts and goes on, improves the work efficiency of inflation film manufacturing machine, has reduced workman's work burden, here, for preventing to interfere, has the adaptation interval between spacing roller 204 and the rolling frame 210.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high-speed inflation film manufacturing machine, includes installation base (4), its characterized in that: the film blowing machine is characterized in that a film blowing box (1), a roller shaft box (2) and a feeding box (3) are installed at the top of the installation base (4), a support frame (401) is installed at the bottom of the installation base (4), the top of the feeding box (3) is communicated with and installed with a stirring box (302), a stirring motor (303) is installed on one side of the stirring box (302), an output shaft of the stirring motor (303) is linked with stirring slurry (304) in the stirring box (302), one end of the feeding box (3) is connected with and installed with the feeding motor (301), the output end of the feeding motor (301) is connected with a spiral conveying blade (305) used by matching with the feeding box (3) in a butt joint manner, the output end of the feeding box (3) is connected with and installed with a film blowing machine main body (101), the film blowing machine main body (101) is arranged in the film blowing box (1), the output end of the film blowing machine main body (101) is connected with and installed with a film blowing head (102) used in a mutual matching manner, film pressing mechanism (103) is installed in the top intercommunication of inflation film manufacturing machine main part (101), one side of blowing membrane case (1) is provided with first guide roll (104) that cooperation film pressing mechanism (103) used, the top of installation base (4) is located the discharge side of blowing membrane case (1) is installed and is led roller frame (106), the top of leading roller frame (106) is connected and is installed second guide roll (105) that cooperation first guide roll (104) used, roller axle box (2) are located lead roller frame (106) discharge side, be equipped with support (213) in roller axle box (2), install main roller axle (201) on support (213), be provided with fork board (202) on main roller axle (201), fork board (202) are used for shifting empty wind-up roll (203), lie in on main roller axle (201) fork board (202) left side is connected with spacing roller axle (204), support (213) left side is equipped with rolling frame (210), rolling frame (210) liftable install on installation base (4), rolling frame (210) are used for rotatable supporting rolling roller axle (206), the left side of rolling roller axle (206) is provided with and each other cooperates storage roller axle frame (208) of using.

2. The high-speed film blowing machine according to claim 1, characterized in that: the front of the film blowing box (1) and the front of the roller shaft box (2) are both movably provided with device doors (108), and the front of the film blowing box (1) is provided with control panels (107) which are matched with each other for use.

3. A high speed film blowing machine according to claim 2, characterized in that: one end of the main roller shaft (201) is connected with an output shaft of a driving motor (205), and the driving motor (205) is arranged on the front surface of the roller shaft box (2).

4. A high speed film blowing machine according to claim 3, characterized in that: and a cutter (207) matched with the limiting roll shaft (204) for use is arranged at the top of the roll shaft box (2).

5. The high-speed film blowing machine according to claim 4, characterized in that: the top of agitator tank (302) is provided with sprue (307) that each other cooperate and use, the outer wall of pay-off case (3) is provided with heating inner bag (308) that cooperation spiral delivery blade (305) used, and the inside of heating inner bag (308) is provided with heater (306).

6. The high-speed film blowing machine according to claim 5, characterized in that: one side of home roll axle (201) is provided with change frame (209) that empty wind-up roll (203) of cooperation used, it sets up to change frame (209) liftable on installation base (4), it is close to change frame (209) upper end home roll axle (201) one side activity hinge joint has dog (212), dog (212) are by installing cylinder (211) drive upset on changing frame (209).