CN210756884U

CN210756884U - Leveling equipment for processing casting plate

Info

Publication number: CN210756884U
Application number: CN201921554653.9U
Authority: CN
Inventors: 嵇海平
Original assignee: Zhejiang Deqing Ten Mu Li Machinery Equipment Co ltd
Current assignee: Zhejiang Deqing Ten Mu Li Machinery Equipment Co ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-06-16
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a leveling equipment is used in processing of casting plate, the on-line screen storage device comprises a base, the rectangular channel has been seted up along left right direction to the top central point of base, the inner chamber left side of rectangular channel and be located the below of two front and back guide rails with the inner chamber top of shell and the top that is located two front and back guide rails all install clearance mechanism, the inner chamber right side top of rectangular channel and the corresponding position of the first pivot of a plurality of are connected with a plurality of second pivot through the bearing rotation from a left side to the right side along the fore-and-aft direction clearance, the outer wall rear side key of second pivot is connected with the second gear that meshes with the first gear of the first pivot rear side in corresponding position mutually. This leveling equipment is used in cast sheet processing need not the manual operation of leveling of staff, and labour saving and time saving improves machining efficiency to can clear up cast sheet surface burr and granule, avoid influencing the flattening effect, improve work piece finished product quality, the practicality is strong.

Description

Leveling equipment for processing casting plate

Technical Field

The utility model relates to a casting processing technology field specifically is a leveling equipment is used in processing of casting board.

Background

Casting is a relatively early metal hot working process mastered by human beings, and has a history of about 6000 years. China has entered into the full prime of bronze castings between 1700 and 1000 b.c., and has reached a relatively high level in technology, casting is a method of casting liquid metal into a casting cavity adapted to the shape of a part, and after the liquid metal is cooled and solidified, a part or a blank is obtained, the cast substance is mostly metal (such as copper, iron, aluminum, tin, lead, etc.) which is originally in a solid state but heated to a liquid state, and the material of the casting mold can be sand, metal or even ceramic. The method used is different according to different requirements, metal forms plates by casting, but after the cast plate is cast and formed in the prior art, because the vertical vector of the cast plate does not coincide with the axis of the cast plate or the vector deviates from the pivot of the base to the cast plate during casting, the cast plate is bent, and therefore, the leveling operation is manually performed by workers, time and labor are wasted, the machining efficiency is low, and a large amount of burrs and particles exist on the surface of the cast plate after being formed, and the leveling effect is further influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a leveling equipment is used in processing of casting plate to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a leveling device for processing a casting plate comprises a base, wherein a shell is arranged at the top end of the base, a feed inlet and a discharge outlet are respectively formed in the left side and the right side of the shell, a numerical control center is installed on the front side of the shell through a support, a rectangular groove is formed in the top end center position of the base along the left-right direction, guide rails are respectively arranged on the left sides of the top ends of the front end and the rear end of an inner cavity of the rectangular groove along the left-right direction, a sliding block is inserted into the left side of the inner cavity of the guide rails, a first electric push rod is installed on the left sides of the inner cavity of the guide rails along the left-right direction, the right end of the first electric push rod is connected with a left screw of the sliding block, electric clamping jaws are installed on the inner sides of the front sliding block and the rear sliding block, the inner cavity bottom center position of the rectangular groove is provided with a rectangular through hole, the inner cavity bottom end of the rectangular through hole is communicated with the lower surface of the base, rectangular plates are arranged on the right side of the top end of the base and positioned on the front side and the back side of the rectangular groove along the left-right direction, the inner sides of the front rectangular plate and the back rectangular plate from left to right along the front-back direction gap are rotatably connected with a plurality of first rotating shafts through bearings, the top end of the right side of the inner cavity of the rectangular groove and the corresponding positions of the plurality of first rotating shafts from left to right along the front-back direction gap are rotatably connected with a plurality of second rotating shafts through bearings, the inner ring of each bearing is in interference fit with the outer walls of the first rotating shafts or the second rotating shafts, the outer ring of each bearing is fixedly connected with the inner side of the rectangular plate or the inner wall of the rectangular groove, the rear side of the outer wall of the first rotating shaft is in key connection with, servo motor is installed to the rear side left end of base top rear side rectangular plate, first electric push rod, electronic clamping jaw and servo motor all with numerical control center electric connection, servo motor's output extend into around two rectangular plate the inboard and with be located two around the outer wall rear side of the first pivot of the inboard left end of rectangular plate passes through the shaft coupling locking, the pressure roller, a plurality of have all been cup jointed to the outer wall of first pivot and second pivot the equal key-type connection of outer wall front side of first pivot has sprocket, a plurality of the outside of sprocket all meshes the chain.

Preferably, the cleaning mechanism comprises a shell, a stepping motor, a lead screw nut, a second electric push rod and an electric brush;

the inner chamber left side of rectangular channel just is located the below of two front and back guide rails and the top of the inner chamber top of shell just is located the top of two front and back guide rails and all installs the casing along the fore-and-aft direction, the inner chamber rear side central point of casing puts and is provided with step motor, step motor's output has the lead screw through shaft coupling locking, two from top to bottom the inner chamber inboard of casing all sets up along the fore-and-aft direction with the inboard communicating spout of casing outer wall, the inner chamber of spout is pegged graft and is had lead screw nut, lead screw nut and the outer wall spiro union of lead screw, from top to bottom the inner side of lead screw nut extends the inner chamber of spout and installs the one end of second electric putter, electric brush is installed to the other end of second electric putter, step motor, second electric putter and.

Preferably, the inner cavity of the guide rail is in a dovetail groove shape, and the sliding block is inserted into the inner cavity of the guide rail in a matched mode.

Preferably, the left side of the bottom end of the inner cavity of the rectangular groove is arranged along the top end of the rectangular through hole in a downward inclined mode.

Preferably, the distance between two adjacent first rotating shafts is greater than the distance between two adjacent first gears.

Compared with the prior art, the beneficial effects of the utility model are that: the leveling equipment for processing the casting plate drives the sliding block to drive the electric clamping jaw to drive the workpiece to move towards the right side and sequentially pass through the upper cleaning mechanism and the lower cleaning mechanism, the brush heads of the upper electric brush and the lower electric brush are respectively contacted with the upper surface and the lower surface of the workpiece by extending or shortening the second electric push rod, the electric brushes drive the brush heads to rotate by self motors so as to clean the surface of the workpiece, the screw rods are driven by the stepping motors to intermittently rotate clockwise or anticlockwise, the screw rod nuts respectively drive the upper surface and the lower surface of the electric brush workpiece at corresponding positions to reciprocate back and forth so as to improve the cleaning effect on the surface of the workpiece, the first rotating shaft at the leftmost side is driven by the servo motor to drive the first gear and the chain wheel at corresponding positions to rotate, so that the other chain wheels drive the first rotating shaft and the first gear at corresponding positions to rotate, and the second gear drives the second rotating shaft at corresponding positions to rotate under the action of the rotating, so that the pressure roller of both sides rotate to opposite direction respectively about making and flatten the work piece to need not the manual operation of flattening of staff, labour saving and time saving improves machining efficiency, and can clear up cast sheet surface burr and granule, avoid influencing the flattening effect, improve work piece finished product quality, the practicality is strong.

Drawings

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

fig. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a cross-sectional view of the cleaning mechanism of the present invention;

FIG. 4 is an enlarged view of the point A of the present invention;

fig. 5 is an enlarged view of the position B of the present invention.

In the figure: 1. the base, 2, the shell, 3, numerical control center, 4, the rectangular channel, 5, the guide rail, 6, the slider, 7, clearance mechanism, 701, the casing, 702, step motor, 703, the lead screw, 704, the spout, 705, lead screw nut, 706, second electric putter, 707, electronic brush, 8, first electric putter, 9, electronic clamping jaw, 10, rectangle through-hole, 11, the rectangular plate, 12, first pivot, 13, the second pivot, 14, first gear, 15, the second gear, 16, servo motor, 17, the pressure roller, 18, the sprocket, 19, the chain.

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. 1-5, the present invention provides a technical solution: the utility model provides a leveling equipment is used in processing of casting plate, including base 1, base 1's top is provided with shell 2, the front side of shell 2 is provided with the observation window, so that the staff observes the inside processing condition, feed inlet and discharge gate have been seted up respectively to the left and right sides of shell 2, there is numerical control center 3 shell 2's front side through the support mounting, base 1's top central point puts and has seted up rectangular channel 4 along the left and right direction, both ends top left side all is provided with guide rail 5 along the left and right direction around the inner chamber of rectangular channel 4, it has slider 6 to peg graft in guide rail 5's inner chamber left side, first electric push rod 8 is all installed along the left and right direction in front and back two guide rail 5's inner chamber left sides, the right-hand member of first electric push rod 8 and the left side screw connection of slider 6, electric clamping jaw 9 is all installed to the inboard of two sliders 6 in front and back, first electric push rod 8 is through Mechanism 7, clearance mechanism 7 is all installed on the inner chamber left side of rectangular channel 4 and the top of the inner chamber top that is located two front and back guide rails 5 and shell 2 and the top that is located two front and back guide rails 5, rectangular through hole 10 has been seted up to the inner chamber bottom central point of rectangular channel 4, and the inner chamber bottom of rectangular through hole 10 communicates with each other with the lower surface of base 1, the sweeps collecting box can be placed to the below of rectangular through hole 10, so that the waste residue after the clearance is slided to rectangular through hole 10 along the inner chamber bottom of rectangular channel 4, and discharge to the collecting box in by rectangular through hole 10, both sides all are provided with rectangular plate 11 along the left right direction around base 1's top right side and the front and back that is located rectangular channel 4, the inboard of two front and back rectangular plate 11 is connected with a plurality of first pivot 12 from a left side to the right side along the fore-and-aft direction clearance through bearing rotation, the corresponding position of the inner chamber right side top of rectangular channel 4 and a plurality The number of the first rotating shaft 12 and the second rotating shaft 13 can be selected by a worker according to the specific model and size of a processed workpiece, the inner ring of a bearing of the second rotating shaft 13 is in interference fit with the outer wall of the first rotating shaft 12 or the second rotating shaft 13, the outer ring of the bearing is fixedly connected with the inner side of the rectangular plate 11 or the inner wall of the rectangular groove 4, the rear side of the outer wall of the first rotating shaft 12 is in key connection with a first gear 14, the rear side of the outer wall of the second rotating shaft 13 is in key connection with a second gear 15 meshed with the first gear 14 at the rear side of the first rotating shaft 12 at the corresponding position, the left end of the rear side of the rectangular plate 11 at the top end of the base 1 is provided with a servo motor 16, the first electric push rod 8, the electric clamping jaw 9 and the servo motor 16 are all electrically connected with the numerical control center 3, the output end of the servo motor 16 extends into the inner sides of the front and rear rectangular, the outer walls of the first rotating shaft 12 and the second rotating shaft 13 are sleeved with a pressure roller 17, the front sides of the outer walls of the first rotating shafts 12 are connected with chain wheels 18 in a key mode, the outer sides of the chain wheels 18 are meshed with chains 19, a servo motor 16 can drive the first rotating shaft 12 at the leftmost side of the inner cavity of the shell 2 to rotate anticlockwise, the first rotating shaft 12 at the leftmost side drives the first gear 14 and the chain wheels 18 at corresponding positions to rotate anticlockwise, so that the other chain wheels 18 in the inner cavity of the shell 2 drive the first rotating shaft 12 at the corresponding positions to rotate anticlockwise, and the first rotating shaft 12 drives the first gear 14 on the outer wall of the first rotating shaft to rotate anticlockwise, the second gear 15 drives the second rotating shaft 13 on the corresponding position to rotate clockwise under the action of the rotating force of the first gear 14, so that the pressure rollers 17 in the cavities of the shell 2 and the rectangular groove 4 rotate in opposite directions respectively, and the workpiece is wound between the pressure rollers 17 on the upper side and the lower side and is flattened.

Preferably, the cleaning mechanism 7 further includes a housing 701, a stepping motor 702, a lead screw 703, a sliding groove 704, a lead screw nut 705, a second electric push rod 706 and an electric brush 707;

a shell 701 is arranged on the left side of the inner cavity of the rectangular groove 4 and is positioned below the front and rear guide rails 5 and on the top end of the inner cavity of the shell 2 and is positioned above the front and rear guide rails 5 along the front and rear directions, a stepping motor 702 is arranged at the central position of the rear side of the inner cavity of the shell 701, a screw 703 is locked at the output end of the stepping motor 702 through a coupler, sliding grooves 704 communicated with the inner sides of the outer walls of the shell 701 are arranged on the inner sides of the inner cavities of the upper and lower shells 701 along the front and rear directions, a screw nut 705 is inserted into the inner cavity of the sliding groove 704, the sliding groove 704 can limit the screw nut 705, the screw nut 705 is screwed with the outer wall of the screw 703, the stepping motor 702 can drive the screw 703 to intermittently rotate clockwise or counterclockwise, the screw nut 705 reciprocates back and forth under the action of the rotation force, an electric brush 707 is installed at the other end of the second electric push rod 706, screw nuts 705 in the upper and lower cleaning mechanisms 7 respectively drive the electric brush 707 in the corresponding position to reciprocate back and forth on the upper and lower surfaces of the workpiece, so as to improve the cleaning effect on the surface of the workpiece, and the stepping motor 702, the second electric push rod 706 and the electric brush 707 are all electrically connected with the numerical control center 3.

Preferably, the inner cavity of the guide rail 5 is in a dovetail groove shape, and the sliding block 6 is inserted into the inner cavity of the guide rail 5 in a matching manner so as to limit the sliding block 6.

Preferably, the left side of the bottom end of the inner cavity of the rectangular groove 4 is inclined downwards along the top end of the rectangular through hole 10, so that the cleaned waste slag slides into the rectangular through hole 10 along the bottom end of the inner cavity of the rectangular groove 4.

Preferably, the distance between two adjacent first rotating shafts 12 is greater than the distance between two adjacent first gears 14, so as to prevent the gear rattling phenomenon between two adjacent first gears 14.

The following electric devices have the following types and functions:

and (3) a numerical control center: the model is BLT3M101W, the numerical control center 3 is connected with an external power supply, and an operating system is arranged in the numerical control center 3 and can accurately control the starting and the closing of each electric appliance in the device;

first electric putter 8 and second electric putter 706: the model is DYTZB1000-500/110-P/X, the first electric push rod 8 and the second electric push rod 706 are connected with an external power supply, the first electric push rod 8 and the second electric push rod 706 are controlled by the numerical control center 3, the first electric push rod 8 can drive the slide block 6 to move left and right, and the second electric push rod 706 extends or shortens by itself to enable the brush heads of the upper electric brush 707 and the lower electric brush 707 to be respectively contacted with the upper surface and the lower surface of a workpiece; electric clamping jaw 9: the type is RM-MGBR, the electric clamping jaw 9 is connected with an external power supply, and the electric clamping jaw 9 is controlled by the numerical control center 3 and can fix or unfix a workpiece;

the servo motor 16: the servo motor is the SGMAH-08AAA41, the servo motor 16 is connected with an external power supply, and the servo motor 16 is controlled by the numerical control center 3 and can drive the first rotating shaft 12 positioned at the leftmost side of the inner cavity of the shell 2 to rotate anticlockwise;

the stepping motor 702: the model number is 86BYG25OA single output shaft forward and reverse rotation motor, the stepping motor 702 is connected with an external power supply, and the stepping motor 702 is controlled by the numerical control center 3 and can drive the screw rod 703 to intermittently rotate clockwise or anticlockwise;

an electric brush 707: a servo motor with the model of XHAO-QSQ1.5 and the model of SGMAH-08AAA41, an external power supply is connected with the electric brush 707, the motor in the electric brush 707 is controlled by the numerical control center 3, the electric brush 707 drives the brush head to rotate by the motor to clean the surface of a workpiece,

all the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, specific connection and control sequence.

When the cleaning device is used, a worker controls the numerical control center 3 to start the electric clamping jaws 9 to fix a workpiece in the front electric clamping jaw 9 and the rear electric clamping jaw 9, controls the numerical control center 3 to start the first electric push rod 8 and the cleaning mechanism 707 in sequence, and controls the second electric push rod 706 and the stepping motor 702 to start in sequence, the first electric push rod 8 extends by itself, the slide block 6 is pushed to move to the right side under the limiting action of the guide rail 5, the slide block 6 drives the electric clamping jaw 9 to drive the workpiece to move to the right side in the inner cavity of the rectangular groove 4 and sequentially pass through the upper cleaning mechanism 7 and the lower cleaning mechanism 7, the numerical control center 3 respectively controls the second electric push rods 706 in the upper cleaning mechanism 7 and the lower cleaning mechanism 7 to extend or shorten so that brush heads of the upper electric brush 707 and the lower electric brush 707 are respectively contacted with the upper surface and the lower surface of the workpiece, the electric brush 707, because the screw nut 705 is screwed with the screw 703, under the limiting action of the sliding groove 704, the screw nut 705 is driven to reciprocate back and forth under the action of the rotation force of the screw 703, the upper screw nut and the lower screw nut 705 respectively drive the electric brush 707 at the corresponding position to reciprocate back and forth on the upper surface and the lower surface of the workpiece so as to improve the cleaning effect on the surface of the workpiece, the cleaned waste slag slides into the rectangular through hole 10 along the bottom end of the inner cavity of the rectangular groove 4 and is discharged from the rectangular through hole 10, the first electric push rod 8 pushes the slide block 6 to move the workpiece and insert the workpiece between the casing 2 and the upper pressure roller 17 and the lower pressure roller 17 at the leftmost side of the inner cavity of the rectangular groove 4, the numerical control center 3 controls the electric clamping jaw 9 to close so as to release the fixation of the workpiece, the servo motor 16 is started to drive the first rotating shaft 12 at the leftmost side of the inner cavity of the, because a plurality of shells 18 in the inner cavity of the shell 2 are connected by a shell 19 chain, the rest chain wheels 18 in the inner cavity of the shell 2 drive the first rotating shaft 12 on the corresponding position to rotate anticlockwise, the first rotating shaft 12 drives the first gear 14 on the outer wall of the shell to rotate anticlockwise, the second gear 15 is meshed with the first gear 14, the second gear 15 drives the second rotating shaft 13 on the corresponding position to rotate clockwise under the action of the rotating force of the first gear 14, so that the shell 2 and the pressure rollers 17 in the inner cavity of the rectangular groove 4 rotate in opposite directions respectively, a workpiece is rolled between the pressure rollers 17 on the upper side and the lower side and is flattened, the surface of the workpiece is flattened, the manual flattening operation of workers is not needed, time and labor are saved, the processing efficiency is improved, burrs and particles on the surface of a casting plate can be cleaned, the flattening effect is avoided being influenced, and the quality of the finished workpiece is improved, the practicability is strong.

In the description of the present invention, it is to be understood that the terms "top end", "bottom end", "one end", "front side", "rear side", "other end", "upper", "lower", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated; also, unless expressly stated or limited otherwise, the terms "mounted," "screwed," "plugged," "interference fit," "disposed," and the like are to be construed broadly, e.g., as a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flattening equipment is used in processing of casting plate, includes base (1), its characterized in that: the top of base (1) is provided with shell (2), feed inlet and discharge gate have been seted up respectively to the left and right sides of shell (2), there is numerical control center (3) front side of shell (2) through the support mounting, rectangular channel (4) have been seted up along left right direction to the top central point of base (1) puts, both ends top left side all is provided with guide rail (5) along left right direction around the inner chamber of rectangular channel (4), it has slider (6) to peg graft in the inner chamber left side of guide rail (5), two around first electric putter (8) are all installed along left right direction in the inner chamber left side of guide rail (5), the right-hand member of first electric putter (8) and the left side screw connection of slider (6), two around, electric clamping jaw (9) are all installed to the inboard of slider (6), the inner chamber left side of rectangular channel (4) just is located the below of two guide rails (5) around and the inner chamber top of shell (2) just is located two around A cleaning mechanism (7) is arranged above the rail (5), a rectangular through hole (10) is formed in the center position of the bottom end of an inner cavity of the rectangular groove (4), the bottom end of the inner cavity of the rectangular through hole (10) is communicated with the lower surface of the base (1), rectangular plates (11) are arranged on the right side of the top end of the base (1) and positioned on the front side and the rear side of the rectangular groove (4) along the left-right direction, the inner sides of the front rectangular plates and the rear plates (11) are connected with a plurality of first rotating shafts (12) in a rotating mode through bearings from left to right along the front-rear direction, the top end of the right side of the inner cavity of the rectangular groove (4) is connected with a plurality of second rotating shafts (13) in a rotating mode through bearings from left to right along the front-rear direction, the inner ring of each bearing is in interference fit with the outer wall of the first rotating shafts (12) or the second rotating shafts (13), and the outer ring of each bearing is fixedly connected, the outer wall rear side key of first pivot (12) is connected with first gear (14), the outer wall rear side key of second pivot (13) is connected with second gear (15) with the first gear (14) of the first pivot (12) rear side of corresponding position engaged with, servo motor (16) is installed to the rear side left end of base (1) top rear side rectangular plate (11), first electric putter (8), electronic clamping jaw (9) and servo motor (16) all with numerical control center (3) electric connection, the output of servo motor (16) extend into the inboard of two front and back rectangular plates (11) and with be located two front and back the outer wall rear side of the first pivot (12) of the inboard left end of rectangular plate (11) is through shaft coupling locking, pressure roller (17) have all been cup jointed to the outer wall of first pivot (12) and second pivot (13), a plurality of the outer wall front side key-connected of first pivot (12) has sprocket (18), chains (19) are meshed with the outer sides of the chain wheels (18).

2. The flattening apparatus for cast slab processing as claimed in claim 1, wherein: the cleaning mechanism (7) comprises a shell (701), a stepping motor (702), a lead screw (703), a sliding groove (704), a lead screw nut (705), a second electric push rod (706) and an electric brush (707);

a shell (701) is arranged on the left side of the inner cavity of the rectangular groove (4) and below the front and rear guide rails (5) and above the top end of the inner cavity of the shell (2) and the front and rear guide rails (5) along the front and rear directions, a stepping motor (702) is arranged at the center of the rear side of the inner cavity of the shell (701), a lead screw (703) is locked at the output end of the stepping motor (702) through a coupler, sliding grooves (704) communicated with the inner side of the outer wall of the shell (701) are formed in the inner sides of the inner cavities of the upper and lower shells (701) along the front and rear directions, a lead screw nut (705) is inserted into the inner cavity of the sliding groove (704), the lead screw nut (705) is in threaded connection with the outer wall of the lead screw (703), the inner side of the upper and lower lead screw nut (705) extends out of the inner cavity of the sliding groove (704) and is provided with one end, the stepping motor (702), the second electric push rod (706) and the electric brush (707) are electrically connected with the numerical control center (3).

3. The flattening apparatus for cast slab processing as claimed in claim 1, wherein: the inner cavity of the guide rail (5) is in a dovetail groove shape, and the sliding block (6) is in adaptive insertion connection with the inner cavity of the guide rail (5).

4. The flattening apparatus for cast slab processing as claimed in claim 1, wherein: the left side of the bottom end of the inner cavity of the rectangular groove (4) is arranged along the top end of the rectangular through hole (10) in a downward inclined mode.

5. The flattening apparatus for cast slab processing as claimed in claim 1, wherein: the distance between two adjacent first rotating shafts (12) is larger than the distance between two adjacent first gears (14).