KR101896006B1 - grill unit moving type scrap grill device - Google Patents

Abstract

The present invention relates to a technology which automatically removes carbonated portions of a hot grill during roasting of meat. Also, the present invention relates to a technology in which a hot grill unit automatically reciprocates with respect to a fixed scrapper to remove carbonized portions on wires of the hot grill by unit the scrapper. Particularly, the present invention relates to a technology scrapping the carbonized portions on wires of the hot grill unit in a state where a user does not need to move positions of the meat placed on an upper portion of the hot grill unit but sits still. According to the present invention, first and second linear motion units disposed symmetrically on both sides of the hot grill unit are driven simultaneously through one drive motor, thereby maintaining a stable balance when the hot grill unit is moved.

Description

Technical Field [0001] The present invention relates to a grill unit moving type scraping grill device,

The present invention relates to a technique for automatically removing the carbonated portion of a plate during roasting.

More specifically, the present invention is a technique for automatically moving back and forth with respect to a fixed scraper such that a carbonized portion of a wire of a deflak unit is removed by a scraper. Particularly, it is a technique in which a user carries out scraping of the carbonized portion of the heat unit wire even in a state where the user does not move the meat located on the upper surface of the hot plate unit.

Generally, when the meat is roasted and the carbonization occurs, the meat is roasted.

It seems that there are many inconveniences of the customers who ask to change the plate and change the plate.

In order to solve this inconvenience, Japanese Patent Application No. 10-2016-0017534 entitled " Motorized Scraping Flask Device "has been disclosed as a prior art. However, since the conventional technology has a structure in which the scraper moves along the heating line of the flask on the top surface of the flask, There was a troublesome problem that the meat located on the top of the hot plate had to be moved around with the scraper.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and it is an object of the present invention to provide a method and apparatus for preventing the carbonized portion of the hot plate unit wire from naturally bending even when the user does not move the meat located on the upper surface of the hot plate unit. Scraped flameproof unit moving type scratching flameproof apparatus.

In order to accomplish the above object, according to the present invention, there is provided a scraping apparatus for scraping off a flameproof unit, comprising: a bar-shaped wire having a plurality of bars spaced apart from each other by a predetermined distance so that roast meat is seated on an upper surface thereof; A second vertical frame, and a first horizontal frame and a second horizontal frame, the first horizontal frame and the second horizontal frame connecting the first vertical frame and the second vertical frame in parallel with each other; A scraper scraping a carbonized portion on an outer circumferential surface of the wire when the bulging portion moves along the wire as both ends of the wire are inserted into the wire and fixed to the outside; A first rectilinear motion unit that operates in a state connected to the first horizontal frame to move the bull plate portion along the longitudinal direction of the wire; A second linear motion unit which is connected to the second horizontal frame and cooperates with the first linear motion unit to move the hot plate along the longitudinal direction of the wire; And a driving motor connected to the first and second linear motion units to transmit the driving force to the first and second linear motion units.

Here, as a first embodiment of the present invention, the first linear motion unit may include: a first ball screw shaft disposed in parallel to the first horizontal frame and spaced apart from the first horizontal frame by a predetermined distance; And a first outer ring screwed to the first ball screw shaft in a state of being connected to the first horizontal frame and moving the hot plate along with the longitudinal movement of the first ball screw shaft in accordance with the rotation of the first ball screw shaft And the second linear motion unit includes a second ball screw shaft rotatably disposed in parallel with the second horizontal frame at a predetermined distance from the second horizontal frame; The second ball screw shaft is screwed to the second ball screw shaft while being connected to the second horizontal frame and is moved in cooperation with the first outer ring in accordance with the movement of the second ball screw shaft in the longitudinal direction of the second ball screw shaft And a second outer ring.

A drive shaft mounted on the drive motor and rotated in place in accordance with rotation of the drive motor; A first drive belt connecting the drive shaft and the first ball screw shaft in an endless track form to transmit the rotational force of the drive shaft to the first ball screw shaft to rotate the first ball screw shaft in place; And a second drive belt connecting the drive shaft and the second ball screw shaft in an endless track form to transmit the rotational force of the drive shaft to the second ball screw shaft to rotate the second ball screw shaft in place .

Meanwhile, as a second embodiment of the present invention, the first linear motion unit includes: a first rod disposed alongside the first horizontal frame at a predetermined distance from the first horizontal frame; A first outer block which is fitted to the first rod while being connected to the first horizontal frame and moves the hot plate along the longitudinal direction of the first rod; And a first driven belt for moving the first outer block along the longitudinal direction of the first rod as the first outer block rotates in an endless track form in conjunction with the first rod in a state connected to the first outer block, The moving unit includes: a second rod disposed in parallel with the second horizontal frame at a predetermined distance from the second horizontal frame; A second outer block fitted in the second rod in a state connected to the second horizontal frame and moving the hot plate along the longitudinal direction of the second rod; And a second driven belt that moves the second outer block along the longitudinal direction of the second rod as it rotates in an endless track form in conjunction with the second rod in a state connected to the second outer block.

A drive shaft mounted on the drive motor and rotated in place in accordance with rotation of the drive motor; A first tension bearing disposed adjacent to one end of the first rod adjacent to the drive shaft and supporting an endless track form of the first driven belt; A third tension bearing disposed adjacent to the other end of the first rod and supporting an endless track configuration of the first driven belt in cooperation with the first tension bearing; A first drive belt connected to the first tension bearing and the drive shaft in an endless track form to rotate the first tension bearing in place as the rotational force of the drive shaft is transmitted to the first tension bearing; A second tension bearing disposed adjacent to one end of the second rod adjacent to the drive shaft and supporting an endless track form of the second driven belt; A fourth tension bearing disposed adjacent to the other end of the second rod and supporting an endless track form of the second driven belt in cooperation with the second tension bearing; And a second drive belt connected to the second tension bearing and the drive shaft in an endless track manner to rotate the second tension bearing in place as the rotational force of the drive shaft is transmitted to the second tension bearing.

In the present invention, since the hot plate unit is configured to linearly move with respect to the fixed scraper, even when the user does not move the meat located on the upper surface of the hot plate unit, the carbonated portion of the hot plate unit wire naturally scrapes .

In addition, the driving force is transmitted through one driving motor so as to reciprocate the deflation unit, thereby overcoming the disadvantage caused by the error of the sink due to the employment of the plurality of driving motors.

Further, by simultaneously driving the first and second linear motion units symmetrically disposed on both sides of the heat deflecting unit through one driving motor, it is possible to maintain a stable balance when the heat deflecting unit is moved.

1 is a use state diagram showing a scrubber unit for moving a scrubber unit according to a first embodiment of the present invention;
FIG. 2 is an exemplary diagram of a scrubbing / flameproofing apparatus according to a first embodiment of the present invention,
3 is an exemplary view showing a state in which the hot plate unit moving type scrubbing hot plate apparatus according to the first embodiment of the present invention is moved in one direction (+),
FIG. 4 is an exemplary view showing a state in which the hot plate unit moving type scrubbing hot plate apparatus according to the first embodiment of the present invention is moved in the other direction (-),
FIG. 5 is a diagram illustrating an example in which a scrubber unit for moving a scrubber unit according to a second embodiment of the present invention is positioned in the center,
FIG. 6 is an exemplary view showing a state in which the hot plate unit moving type scraping hot plate apparatus according to the second embodiment of the present invention is moved in one direction (+);
FIG. 7 is an exemplary view showing a state in which the flameproof unit moving type scrubbing apparatus according to the second embodiment of the present invention is moved in the other direction (-);
Fig. 8 is a side elevation view showing an example of a scraper according to the present invention,
[Fig. 9] is a side elevational view showing another example of the scraper according to the present invention. [Fig.

Hereinafter, the present invention will be described in detail with reference to the drawings.

FIG. 1 is a state diagram illustrating a scrubbing flame-retarding apparatus of a firebox unit according to a first embodiment of the present invention.

1, the present invention includes a braking plate 100, a scraper 200, a first linear motion unit 310, a second linear motion unit 320, and a driving motor 400 .

The zigzag portion 100 is preferably mounted in a state of being hovered in the opening 11 passing through the central portion of the table 10 in the vertical direction. At this time, a flame retarding mechanism (not shown) for ejecting a flame to the blanks 100 is disposed below the table 10 corresponding to the vertical lower portion of the blanks 100.

That is, since the hot plate 100 is mounted on the opening 11 of the table 10 and disposed in a state of being hovered at a predetermined distance above the vertical portion of the flame providing unit, the meat that is seated on the upper surface of the flame, We bake with flour.

For this, the hot plate 100 may include a wire 110, first and second vertical frames 121 and 122, and first and second horizontal frames 123 and 124.

As shown in FIG. 1, a plurality of wires 110 are arranged in parallel so as to be spaced from each other by a predetermined distance so that roast meat is seated on the upper surface.

The first and second vertical frames 121 and 122 are arranged so as to fix both ends of the wire 110 and the first and second horizontal frames 123 and 124 are connected to the first and second vertical frames 121 and 122 And are arranged to connect both ends.

Here, the first and second vertical frames 121 and 122 and the first and second horizontal frames 123 and 124 are integrally formed to maintain a rectangular frame.

The blanket plate 100 configured as described above is configured to slide while moving on the lower surface of the table 10 with respect to the opening 11 and to be fixedly disposed across the opening 11 as shown in FIG. The carbonized portion of the wire 110 is removed by the plurality of scrapers 200.

That is, the portion of the wire 110 of the blanks 100 that is exposed by the opening 11 changes according to the movement of the blanks 100, It can be seen that the wire 110 of the hot blanks 100 always maintains its position.

Of course, it can be seen that the wire 110 of the hot plate 100 moves very slowly based on the fixed scraper 200, but it is necessary to move the meat located on the upper surface of the wire 110 rapidly The blanks 100 of the present invention may not have much difference from the feeling that the user feels in the everyday stationary blanks.

On the other hand, an operation button (not shown) may be provided at a predetermined position of the table 10 to operate the movement of the blanks 100. The operation button is connected to the drive motor 400 and can control the on / off operation of the drive motor 400 according to an operation button of a user (e.g., a guest or a serving agent).

The scraper 200 is inserted into the wire 110 so that both ends of the scraper 200 are fixed to the lower surface of the table 10 so that the wire 110 moves as the blanket 100 moves along the wire 110. [ The carbonized portion is removed on the outer peripheral surface.

The scrapers 200 are preferably disposed adjacent to the rim of the opening 11 as shown in Figure 1 so that the width of the blanks 100 that can be baked substantially without moving the meat around .

On the other hand, the scrapers 200 are fixed to the lower surface of the table 10 at both ends thereof, and it is preferable that the scrapers 200 can be easily released from the table 10 when cleaning.

For example, a mounting groove (not shown) may be provided on the lower surface of the table 10, which abuts each end of the scraper 200. And each end of the scraper 200 is detachably fitted and fixed to the mounting groove.

The first rectilinear motion unit 310 moves linearly along the length of the wire 110 by performing a linear reciprocating motion while being connected to the first horizontal frame 123 as shown in FIG. .

The second linear motion unit 320 is linearly reciprocated while being connected to the second horizontal frame 124 as shown in FIG. 1, and cooperates with the first linear motion unit 310 to move the deflector 100 And moves along the longitudinal direction of the wire 110.

A single linear motion unit may be mounted on the center of the blanks 100 corresponding to the direction in which the blanks 100 are moved to move the blanks 100. However, It is not preferable from the standpoint of durability of each constitution, considering that the flame providing section is disposed. It is also undesirable in terms of the center of gravity balance of the moving plate 100 in motion.

The driving motor 400 is connected to the first and second linear motion units 310 and 320 to transmit the driving force to the first and second linear motion units 310 and 320.

On the other hand, the drive motors 400 may be disposed at both ends of the blanks 100 to allow the blanks 100 to perform the forward and reverse motions. However, when a plurality of the drive motors 400 are arranged It is not only difficult to align the operation motions of the respective drive motors 400, but also is not desirable from the viewpoint of energy efficiency.

FIG. 2 is a view illustrating an example in which a scrubber unit for moving a scrubber unit according to a first embodiment of the present invention is positioned in the center; FIG. 3 is a schematic view of a scrubber unit for scrubbing a scrubber unit according to the first embodiment of the present invention; (+), And FIG. 4 is an exemplary view showing a state in which the hot plate unit moving type scrubbing apparatus according to the first embodiment of the present invention is moved in the other direction (-) .

The first embodiment of the present invention further comprises a drive shaft 410, a first drive belt 510, and a second drive belt 520.

The first linear motion unit 310 includes a first ball screw shaft 311 and a first outer ring 312. The second linear motion unit 320 includes a second ball screw shaft 321, , And a second outer ring (322).

First, the first ball screw shaft 311 is disposed side by side with the first horizontal frame 123 at a predetermined distance from the first horizontal frame 123. The first ball screw shaft 311 rotates in conjunction with the first drive belt 510 in the form of an endless track which is rotated by the driving of the drive motor 400.

The first outer ring 312 is screwed to the first ball screw shaft 311 while one end of the first outer ring 312 is connected to the lower surface of the first horizontal frame 123 as shown in FIG. As a result, the first outer ring 312 moves in the longitudinal direction of the first ball screw shaft 311 in accordance with the rotation of the first ball screw shaft 311, 3] and [FIG. 4], respectively, along the longitudinal direction of the first ball screw shaft 311.

The second ball screw shaft 321 is disposed side by side with the second horizontal frame 124 at a predetermined distance from the second horizontal frame 124. The second ball screw shaft 321 is rotated in conjunction with the second drive belt 520 in the form of an endless track which is rotated by the driving of the drive motor 400.

The second outer ring 322 is screwed to the second ball screw shaft 321 with one end connected to the lower surface of the second horizontal frame 124 as shown in FIG. As a result, the second outer ring 322 moves in the longitudinal direction of the second ball screw shaft 321 in accordance with the rotation of the second ball screw shaft 321, 3] and [Figure 4] along the longitudinal direction of the second ball screw shaft 321.

That is, the first outer ring 312 and the second outer ring 322 cooperate to reciprocally move the bamboo plate 100 in a stable manner.

The drive shaft 410 is mounted on the drive motor 400 as shown in FIG. 2 and configured to rotate in accordance with the rotation of the drive motor 400.

The first drive belt 510 connects the drive shaft 410 and the first ball screw shaft 311 in an endless track manner as shown in FIG. 2, so that the rotational force of the drive shaft 410 is transmitted to the first ball screw shaft (311) to rotate the first ball screw shaft (311) in place.

The second drive belt 520 connects the drive shaft 410 and the second ball screw shaft 321 in an endless track manner as shown in FIG. 2, so that the rotational force of the drive shaft 410 is transmitted to the second ball screw shaft 321, (321) to rotate the second ball screw shaft (321) in place.

FIG. 5 is a view illustrating an example in which a scrubber unit for moving a scrubber unit according to a second embodiment of the present invention is positioned in the center, and FIG. 6 is a schematic view illustrating a scrubber unit for scrubbing a scrubber unit according to a second embodiment of the present invention. (+), And FIG. 7 is an exemplary view showing a state in which the hot plate unit moving type scrubbing apparatus according to the second embodiment of the present invention is moved in the other direction (-) .

The second embodiment of the present invention includes a drive shaft 410 ', a first tension bearing 318, a third tension bearing 319, a first drive belt 510', a second tension bearing 328, Tension bearings 329, and a second drive belt 520 '.

The first linear motion unit 310 includes the first rod 315, the first outer block 316 and the first driven belt 317. The second linear motion unit 320 includes the second linear motion unit 310, A rod 325, a second outer block 326, and a second driven belt 327.

First, the first rod 315 is disposed side by side with the first horizontal frame 123 at a predetermined distance from the first horizontal frame 123 as shown in FIG.

The first outer block 316 is fitted to the first rod 315 while being connected to the first horizontal frame 123. The first outer block 316 is moved in the longitudinal direction of the first rod by the movement of the first driven belt 317 interlocked with the rotational force of the drive shaft 410 ' The blanket plate 100 is moved in the longitudinal direction of the first rod 315 as shown in FIG.

Here, the first outer block 316 is connected to the second driven belt 327 as it is connected to the outside of the endless track of the first driven belt 317 as shown in FIG. 5, 326, respectively.

The first driven block 317 is coupled to the first rod 315 while connected to the first outer block 316 and rotates in the form of an endless track along with the first rod 315, Move along the longitudinal direction.

The second rod 325 is disposed side by side with the second horizontal frame 124 at a predetermined distance from the second horizontal frame 124 as in FIG.

The second outer block 326 is engaged with the second rod 325 while being connected to the second horizontal frame 124. The second outer block 326 moves along the longitudinal direction of the second rod 325 due to the movement of the second driven belt 327 interlocked with the rotational force of the drive shaft 410 ' The bell plate portion 100 is moved in the longitudinal direction of the second rod 325 as shown in FIG.

Here, the second outer block 326 is connected to the first driven belt 317 as it is connected to the inside of the endless track of the second driven belt 327 as shown in FIG. 5, 316, respectively.

The second driven block 326 is coupled to the second rod 325 in a state of being connected to the second rod 326 and rotates in an endless track form in conjunction with the second rod 325, Move along the longitudinal direction.

The drive shaft 410 'is mounted on the drive motor 400 as shown in FIG. 5 and configured to rotate in accordance with the rotation of the drive motor 400.

The first tension bearing 318 is disposed adjacent to one end of the first rod 315 adjacent to the drive shaft 410 'as in FIG. 5 to support an endless track form of the first driven belt 317 And the third tension bearing 319 is disposed adjacent to the other end of the first rod 315 and supports the endless track of the first driven belt 317 rotatably in cooperation with the first tension bearing 318.

5, the first drive belt 510 'is connected to the first tension bearing 318 and the drive shaft 410' in an endless track manner, so that the rotational force of the drive shaft 410 ' And transfers it to the bearing 318 to rotate the first tension bearing 318 in place.

The second tension bearing 328 is disposed adjacent to one end of the second rod 325 adjacent to the drive shaft 410 'as in FIG. 5 to support an endless track form of the second driven belt 327 And the fourth tension bearing 329 is disposed adjacent to the other end of the second rod 325 and rotatably supports the endless track of the second driven belt 327 in cooperation with the second tension bearing 328.

The second drive belt 520 'is connected to the second tension bearing 328 and the drive shaft 410' in an endless track manner as shown in FIG. 5, so that the rotational force of the drive shaft 410 ' Bearing 328 to rotate the second tension bearing 328 in place.

[Fig. 8] is a side elevational view showing an example of a scraper according to the present invention, and [Fig. 9] is a side elevational view showing an excerpt from another example of the scraper according to the present invention.

The scraper 200 according to the present invention may be of a type in which the wire 110 penetrates through the scraper 200 as shown in FIG. 8, and the downward sawtooth portion 210 and the upward sawtooth portion 220).

The scraper 200 including the downward saw blade 210 and the upward saw blade 220 is configured such that the downward sawtooth portion 210 and the upward sawtooth portion 220 face each other as shown in FIG. The wire 110 is fitted in the groove portion where the tooth portions are engaged as shown in Fig. 9 (b).

10: Table
11: opening
100:
110: wire
121: first vertical frame
122: Second vertical frame
123: 1st horizontal frame
124: second horizontal frame
200: scraper
210: downward saw blade
220: Upward saw blade
310: first linear motion unit
311: 1st ball screw shaft
312: first outer ring
315: First load
316: first outer block
317: first driven belt
318: first tension bearing
319: Third Tension Bearing
320: second linear motion unit
321: Second ball screw shaft
322: second outer ring
325: Second load
326: second outer block
327: second driven belt
328: Second Tension Bearing
329: Fourth Tension Bearing
400: drive motor
410, 410 ': drive shaft
510, 510 ': a first drive belt
520, 520 ': a second drive belt

Claims (5)

A bar type wire 110 in which a plurality of bars are arranged in parallel with each other so as to place roast meat on an upper surface thereof, first and second vertical frames 121 and 122 for fixing both ends of the wire, (100) having first and second horizontal frames (123, 124) connecting both ends of the first and second vertical frames.
A scraper 200 scraping a carbonized portion on an outer circumferential surface of the wire when the hot plate moves along the wire as the both ends of the wire are inserted into the wire and fixed to the outside;
A first rectilinear motion unit (310) connected to the first transverse frame to move the dislocation along the longitudinal direction of the wire;
A second rectilinear motion unit (320) connected to the second transverse frame and cooperating with the first rectilinear motion unit to move the dislocation along the longitudinal direction of the wire;
A driving motor (400) connected to the first and second linear motion units and transmitting driving force to the first and second linear motion units;
And,
The first linear motion unit (310)
A first ball screw shaft (311) arranged side by side with the first horizontal frame in a state of being spaced apart from the first horizontal frame by a predetermined distance;
A first ball screw shaft connected to the first horizontal frame and screwed to the first ball screw shaft and moving in accordance with the rotation of the first ball screw shaft in the longitudinal direction of the first ball screw shaft, An outer ring 312;
And,
The second linear motion unit (320)
A second ball screw shaft (321) arranged side by side with the second horizontal frame and rotated in place while being spaced apart from the second horizontal frame by a predetermined distance;
Wherein the second ball screw shaft is coupled to the second horizontal frame and is screwed to the second ball screw shaft and cooperates with the first outer ring in accordance with movement of the second ball screw shaft in the longitudinal direction of the second ball screw shaft, A second outer ring (322) for moving the dislocation portion to a predetermined position;
Wherein the scraping plate is a flat plate.
delete The method according to claim 1,
A drive shaft (410) mounted on the drive motor and rotated in place in accordance with rotation of the drive motor;
A first drive belt (510) connecting the drive shaft and the first ball screw shaft in an endless track shape to transmit the rotational force of the drive shaft to the first ball screw shaft to rotate the first ball screw shaft in place;
A second drive belt (520) connecting the drive shaft and the second ball screw shaft in an endless track shape to transfer the rotational force of the drive shaft to the second ball screw shaft to rotate the second ball screw shaft in place;
Further comprising: a scraping plate moving unit for scraping off the scraping plate.
A bar type wire 110 in which a plurality of bars are arranged in parallel with each other so as to place roast meat on an upper surface thereof, first and second vertical frames 121 and 122 for fixing both ends of the wire, (100) having first and second horizontal frames (123, 124) connecting both ends of the first and second vertical frames.
A scraper 200 scraping a carbonized portion on an outer circumferential surface of the wire when the hot plate moves along the wire as the both ends of the wire are inserted into the wire and fixed to the outside;
A first rectilinear motion unit (310) connected to the first transverse frame to move the dislocation along the longitudinal direction of the wire;
A second rectilinear motion unit (320) connected to the second transverse frame and cooperating with the first rectilinear motion unit to move the dislocation along the longitudinal direction of the wire;
A driving motor (400) connected to the first and second linear motion units and transmitting driving force to the first and second linear motion units;
And,
The first linear motion unit (310)
A first rod (315) disposed alongside the first horizontal frame at a predetermined distance from the first horizontal frame;
A first outer block (316) fitted to the first rod in a state connected to the first horizontal frame and moving the hot plate portion in accordance with the movement in the longitudinal direction of the first rod;
A first driven belt (317) for moving the first outer block along the longitudinal direction of the first rod as it rotates in an endless track form in connection with the first rod connected to the first outer block;
And,
The second linear motion unit (320)
A second rod (325) disposed alongside the second transverse frame with a predetermined distance from the second transverse frame;
A second outer block (326) fitted to the second rod in a state connected to the second horizontal frame and moving the hot plate along the longitudinal direction of the second rod;
A second driven belt (327) for moving the second outer block along the longitudinal direction of the second rod as it rotates in an endless track form in connection with the second rod in a state connected to the second outer block;
Wherein the scraping plate is moved in the direction of the arrow.
The method of claim 4,
A drive shaft (410 ') mounted on the drive motor and rotated in place in accordance with rotation of the drive motor;
A first tension bearing (318) disposed adjacent to one end of the first rod adjacent to the drive shaft and supporting an endless track configuration of the first driven belt;
A third tension bearing (319) disposed adjacent to the other end of the first rod and supporting an endless track configuration of the first driven belt in cooperation with the first tension bearing;
A first drive belt (510 ') connected to the first tension bearing and the drive shaft in an endless track form to rotate the first tension bearing in place as the rotational force of the drive shaft is transmitted to the first tension bearing;
A second tension bearing (328) disposed adjacent to one end of the second rod adjacent to the drive shaft and supporting an endless track form of the second driven belt;
A fourth tension bearing (329) disposed adjacent to the other end of the second rod and supporting an endless track form of the second driven belt in cooperation with the second tension bearing;
A second drive belt (520 ') connected to the second tension bearing and the drive shaft in an endless track form to rotate the second tension bearing in place as the rotational force of the drive shaft is transmitted to the second tension bearing;
Further comprising: a scraping plate moving unit for scraping off the scraping plate.

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