阅读说明：本技术 一种刨槽机的侧边平衡性自查装置及其实施方法 (Side balance self-checking device of keyway planer and implementation method thereof ) 是由 杨建国 于 2021-10-11 设计创作，主要内容包括：本发明涉及刨槽机技术领域,公开了一种刨槽机的侧边平衡性自查装置及其实施方法,包括支撑部件以及设置在支撑部件上端的平衡调节部件,支撑部件的末端设置有平衡显示部件,支撑部件的一侧固定设置在刨槽机工作台的内侧,支撑部件包括支持板以及活动插入在支持板内的插管,每个插管的另一端设置有连接圆盘,连接圆盘固定设置在刨槽机工作台的内侧；平衡调节部件包括移动件以及设置在移动件上端的第一滚动柱和第二滚动柱；平衡显示部件包括支持柱以及设置在支持柱下端的第三螺钉,支持柱的上端活动设置有平衡件,本发明的有益效果为可进行侧边平衡调节,此时再进行刨槽时,刨槽深度和直线度不会有太大误差,提高刨槽机的刨槽精度。(The invention relates to the technical field of slot planers and discloses a side balance self-checking device of a slot planer and an implementation method thereof, wherein the side balance self-checking device comprises a supporting part and a balance adjusting part arranged at the upper end of the supporting part, the tail end of the supporting part is provided with a balance display part, one side of the supporting part is fixedly arranged at the inner side of a workbench of the slot planer, the supporting part comprises a supporting plate and insertion pipes movably inserted into the supporting plate, the other end of each insertion pipe is provided with a connecting disc, and the connecting disc is fixedly arranged at the inner side of the workbench of the slot planer; the balance adjusting component comprises a moving piece, a first rolling column and a second rolling column, wherein the first rolling column and the second rolling column are arranged at the upper end of the moving piece; the balance display component comprises a supporting column and a third screw arranged at the lower end of the supporting column, and a balance piece is movably arranged at the upper end of the supporting column.)

1. A side balance self-checking device of a slotter comprises a supporting component (1) and a balance adjusting component (2) arranged at the upper end of the supporting component (1), wherein the tail end of the supporting component (1) is provided with a balance display component (3), and is characterized in that one side of the supporting component (1) is fixedly arranged at the inner side of a workbench (4) of the slotter, and the tail end of the balance display component (3) is clamped on a metal sheet (5) at the upper end of the workbench (4) of the slotter;

the supporting part (1) comprises a supporting plate (11) and four insertion pipes (12) movably inserted into the supporting plate (11), the number of the insertion pipes (12) is four, the other end of each insertion pipe (12) is provided with a connecting disc (13), and the connecting discs (13) are fixedly arranged on the inner side of the worktable (4) of the grooving machine;

the balance adjusting component (2) comprises a moving piece (21) and a first rolling column (22) and a second rolling column (23) which are arranged at the upper end of the moving piece (21);

the balance display component (3) comprises a support column (31) and a third screw (32) arranged at the lower end of the support column (31), and a balance piece (33) is movably arranged at the upper end of the support column (31);

a third screw (32) penetrates through the supporting column (31) in a threaded manner and is in threaded connection with one side of the supporting plate (11), the supporting column (31) is installed on one side of the supporting plate (11) through the third screw (32), the balancing piece (33) corresponds to a groove (311) formed in the upper end of the supporting column (31), and the lower end of the groove (311) is semicircular and is matched with the tail end of the balancing piece (33);

the balance piece (33) comprises a thickening pipe (331) and rotating columns (332) arranged on two sides of the thickening pipe (331), the rotating columns (332) are movably inserted into the supporting columns (31), an extending rod (333) is arranged at the other end of the thickening pipe (331), and a horizontal piece (334) is connected to the other end of the extending rod (333) in a threaded mode;

the horizontal piece (334) comprises a first connecting rod (3341) and a connecting pipe (3342) arranged at one end of the first connecting rod (3341), the other end of the connecting pipe (3342) is provided with a screw rod (3343), and the screw rod (3343) is in threaded connection with the extension rod (333).

2. The self-checking device for the side balance of the recessing machine according to claim 1, wherein the upper end of the supporting plate (11) is provided with a first groove (111) and a second groove (112), one side of one end of the supporting plate (11) is provided with a first screw (14) in a penetrating way, and one side of the other end is provided with a second screw (15) in a penetrating way.

3. The self-checking device for the lateral balance of the recessing machine according to claim 2, wherein the moving member (21) comprises a supporting shell (211) and a controller (212) arranged inside the supporting shell (211), a servo motor (213) is further arranged inside the supporting shell (211), a driving end of the servo motor (213) is connected with a driving gear (214), the other end of the driving gear (214) is movably connected with the supporting shell (211), and the driving gear (214) is meshed with a driven gear (215) positioned at the lower end of the driving gear.

4. The lateral balance self-checking device of the recessing machine according to claim 3, wherein the driven gear (215) is sleeved in the middle of the cross bar (216), one end of the cross bar (216) is provided with a first roller (217), the other end of the first roller (217) is movably connected with the supporting shell (211), the other end of the cross bar (216) is provided with a second roller (218), the other end of the second roller (218) is movably connected with the supporting shell (211), the first roller (217) corresponds to the first groove (111), and the second roller (218) corresponds to the second groove (112).

5. The self-checking device for the lateral balance of a router as claimed in claim 4, wherein the other end of the first link (3341) is provided with a level (3344), the other end of the level (3344) is provided with a second link (3345), the other end of the second link (3345) is provided with a convex ball (3346), the diameters of the first link (3341), the second link (3345) and the extension rod (333) are the same, and the maximum diameter of the convex ball (3346) is the same as the diameter of the enlarged pipe (331).

6. A self-checking device of the lateral balance of a router as claimed in claim 5, characterised in that the first (22) and second (23) rolling cylinders are parallel to each other and the upper tangent point is in the same horizontal plane as the upper surface of the router table (4).

7. A method of implementing the self-checking device of the lateral balance of a router as claimed in claim 6, comprising the steps of:

s1: pulling the supporting plate (11) out of the planer workbench (4), moving the balance adjusting part (2) to one end of the supporting plate (11) close to the planer workbench (4), and installing the balance display part (3);

s2: the controller (212) controls the servo motor (213) to be started, the servo motor (213) drives the driving gear (214) to rotate, the driving gear (214) further drives the driven gear (215) to rotate, the driven gear (215) further drives the first roller (217) and the second roller (218) to rotate, and then the balance adjusting component (2) is enabled to integrally move;

s3: when the convex ball (3346) is in contact with the convex metal sheet (5), the convex ball can incline, the air bubbles of the level gauge (3344) are not in the middle, the metal sheet (5) is gradually in a horizontal state along with the continuous forward movement of the balance adjusting component (2), and when the air bubbles of the level gauge (3344) are in the middle, the balance adjusting component (2) stops moving, and the side balance adjustment is finished.

Technical Field

The invention relates to the technical field of a keyway planer, in particular to a side balance self-checking device of the keyway planer and an implementation method thereof.

Background

Sheet metal working is an important process for forming sheet metal products. The sheet metal processing includes traditional cutting, blanking, bending and pressing and other methods and technological parameters, various cold stamping die structures and technological parameters, various equipment working principles and operation methods, and new stamping technology and new technology. The processing of the metal plate of the part is called metal plate processing, and the process characteristic of the grooving processing is that a cutter makes linear reciprocating motion relative to the workpiece, and the planer tool carries out unidirectional linear cutting on the workpiece. After cutting, before the cutter returns, the cutter is lifted to enable the cutter point to leave the machined workpiece, then the cutter returns to the initial point position, and next cutting is carried out.

However, present keyway planer carries out the keyway to than thin panel beating, because panel beating length is too long, but need horizontal keyway, need transversely put the panel beating on the keyway planer, consequently the side of panel beating can extend the keyway planer, because the gravity of panel beating leads to the panel beating wholly can be crooked, the position that needs the keyway also has the crookedness, when carrying out the keyway, because the panel beating is crooked, lead to placing the disequilibrium, can make its grooving degree of depth inhomogeneous, still can lead to the keyway line to take place the small amplitude crooked, the panel beating that corresponds high accuracy instrument and use, such precision error is too big, can reduce the result of use of panel beating.

To solve the above problems. Therefore, a side balance self-checking device of a router and an implementation method thereof are provided.

Disclosure of Invention

The invention aims to provide a side balance self-checking device of a slotter and an implementation method thereof.A balance adjusting part is arranged at the upper end of a supporting part, a balance display part is arranged at the tail end of the supporting part, one side of the supporting part is fixedly arranged at the inner side of a workbench of the slotter, and the tail end of the slotter is clamped on a metal sheet at the upper end of the workbench of the slotter; the supporting part comprises a supporting plate and four insertion pipes movably inserted into the supporting plate, the other end of each insertion pipe is provided with a connecting disc, and the connecting discs are fixedly arranged on the inner side of the worktable of the slotting machine; the balance adjusting component comprises a moving piece, a first rolling column and a second rolling column, wherein the first rolling column and the second rolling column are arranged at the upper end of the moving piece; the balance display component comprises a support column and a third screw arranged at the lower end of the support column, and a balance piece is movably arranged at the upper end of the support column, so that the problems in the background art can be solved.

In order to achieve the purpose, the invention provides the following technical scheme: a side balance self-checking device of a router comprises a supporting part and a balance adjusting part arranged at the upper end of the supporting part, wherein a balance display part is arranged at the tail end of the supporting part, one side of the supporting part is fixedly arranged at the inner side of a workbench of the router, and the tail end of the balance display part is clamped on a metal sheet at the upper end of the workbench of the router;

the supporting part comprises a supporting plate and four insertion pipes movably inserted into the supporting plate, the other end of each insertion pipe is provided with a connecting disc, and the connecting discs are fixedly arranged on the inner side of the worktable of the slotting machine;

the balance adjusting component comprises a moving piece, a first rolling column and a second rolling column, wherein the first rolling column and the second rolling column are arranged at the upper end of the moving piece;

the balance display component comprises a support column and a third screw arranged at the lower end of the support column, and a balance piece is movably arranged at the upper end of the support column.

Furthermore, the upper end of the supporting plate is provided with a first groove and a second groove, one side of one end of the supporting plate is provided with a first screw in a penetrating mode, and one side of the other end of the supporting plate is provided with a second screw in a penetrating mode.

Furthermore, the moving part comprises a supporting shell and a controller arranged inside the supporting shell, a servo motor is further arranged on the inner side of the supporting shell, the driving end of the servo motor is connected with the driving gear, the other end of the driving gear is movably connected with the supporting shell, and the driving gear is meshed with the driven gear located at the lower end of the driving gear.

Furthermore, the driven gear is sleeved in the middle of the cross rod, a first roller is arranged at one end of the cross rod, the other end of the first roller is movably connected with the supporting shell, a second roller is arranged at the other end of the cross rod, the other end of the second roller is movably connected with the supporting shell, the first roller corresponds to the first groove, and the second roller corresponds to the second groove.

Furthermore, a third screw thread penetrates through the supporting column and is in threaded connection with one side of the supporting plate, the supporting column is installed on one side of the supporting plate through the third screw, the balancing piece corresponds to a groove formed in the upper end of the supporting column, and the lower end of the groove is semicircular and is matched with the tail end of the balancing piece.

Further, the balancing piece is including adding the thick pipe and setting up the rotation post in adding thick pipe both sides, rotates the post activity and inserts in supporting the post, and the other end that adds the thick pipe is provided with the extension rod, and the other end threaded connection of extension rod has the horizontal component.

Further, the horizontal part comprises a first connecting rod and a connecting pipe arranged at one end of the first connecting rod, a screw rod is arranged at the other end of the connecting pipe, and the screw rod is in threaded connection with the extension rod.

Further, the other end of the first connecting rod is provided with a level gauge, the other end of the level gauge is provided with a second connecting rod, the other end of the second connecting rod is provided with a protruding ball, the diameters of the first connecting rod, the second connecting rod and the extension rod are the same, and the maximum diameter of the protruding ball is the same as the diameter of the thickening pipe.

Furthermore, the first rolling column and the second rolling column are parallel to each other, and the upper tangent point and the upper surface of the worktable of the router are on the same horizontal plane.

The invention provides another technical scheme that: the implementation method of the side balance self-checking device of the router is provided, and comprises the following steps:

s1: pulling the supporting plate out of the worktable of the slotting machine, moving the balance adjusting part to one end of the supporting plate close to the worktable of the slotting machine, and installing a balance display part;

s2: the controller controls the servo motor to start, the servo motor drives the driving gear to rotate, the driving gear further drives the driven gear to rotate, and the driven gear further drives the first roller and the second roller to rotate, so that the balance adjusting part moves integrally;

s3: when the convex ball is in contact with the convex metal sheet, the convex ball can incline, the air bubbles of the level meter are not in the middle, the metal sheet is gradually in a horizontal state along with the continuous forward movement of the balance adjusting part, and when the air bubbles of the level meter are in the middle, the balance adjusting part stops moving, and the side balance adjustment is finished.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention provides a side balance self-checking device of a groove planer and an implementation method thereof.A first rolling column and a second rolling column are arranged at the upper end of a moving piece, the first rolling column and the second rolling column are parallel to each other, an upper tangent point and the upper surface of a worktable of the groove planer are on the same horizontal plane, when the side balance self-checking is required, a controller controls a servo motor to be started, the servo motor drives a driving gear to rotate, the driving gear further drives a driven gear to rotate, the driven gear further drives a first roller and a second roller to rotate, and further a balance adjusting part is integrally moved, at the moment, the supporting points of a metal sheet are continuously changed by the first rolling column and the second rolling column in the moving process, and the servo motor stops until the balance points are reached, so that the automatic side balance checking is convenient, and the accuracy of the groove planer is ensured.

2. The invention provides a side balance self-checking device of a slot planer and an implementation method thereof, wherein a balance piece is movably arranged at the upper end of a support column, the balance piece corresponds to a groove arranged at the upper end of the support column, the lower end of the groove is semicircular and is matched with the tail end of the balance piece, the diameters of a first connecting rod, a second connecting rod and an extension rod are the same, the maximum diameter of a convex ball is the same as that of a thickening pipe, when the side balance is checked, the metal sheet is bent due to the fact that the side of a thinner metal sheet extends out, when the convex ball is contacted with the convex metal sheet, the convex ball inclines, the bubble of a level gauge is not in the middle, the metal sheet is gradually in a horizontal state along with the continuous forward movement of a balance adjusting part, when the bubble of the level gauge is in the middle, the balance adjusting part stops moving, the side balance adjusting part adjusts, and when the slot planing is carried out again, the depth and the straightness of the groove are not too large, and the groove planing precision of the groove planing machine is improved.

3. The invention provides a side balance self-checking device of a slotter and an implementation method thereof.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of a self-checking device of a side balance self-checking device of a router of the present invention;

FIG. 2 is a schematic plane structure diagram of the unbalanced state of the metal sheet of the side balance self-checking device of the router of the present invention;

FIG. 3 is a schematic perspective view of a support member and a balance adjustment member of the side balance self-checking apparatus of the router of the present invention;

FIG. 4 is a schematic view of the internal planar structure of the moving member of the self-checking device for lateral balance of a router of the present invention;

FIG. 5 is a schematic perspective view of a balance display member of the side balance self-checking apparatus of the router of the present invention;

FIG. 6 is a schematic view of a side view plane structure of a balance display part of the side balance self-checking apparatus of the router of the present invention;

FIG. 7 is a schematic view of a planar structure of the other side view of the balance display part of the side balance self-checking apparatus of the router of the present invention;

FIG. 8 is a schematic perspective view of a horizontal member of the side balance self-checking device of the router of the present invention;

fig. 9 is a schematic plane structure diagram of the metal sheet balanced state of the side balance self-checking device of the router of the present invention.

In the figure: 1. a support member; 11. a support plate; 111. a first groove; 112. a second groove; 12. inserting a tube; 13. connecting the disks; 14. a first screw; 15. a second screw; 2. a balance adjustment member; 21. a moving member; 211. a support housing; 212. a controller; 213. a servo motor; 214. a driving gear; 215. a driven gear; 216. a cross bar; 217. a first roller; 218. a second roller; 22. a first rolling column; 23. a second rolling column; 3. a balance display member; 31. a support column; 311. a groove; 32. a third screw; 33. a balance member; 331. adding a thick pipe; 332. rotating the column; 333. an extension rod; 334. a horizontal member; 3341. a first link; 3342. connecting the pipe; 3343. a screw rod; 3344. a level gauge; 3345. a second link; 3346. a convex ball; 4. a dadoing machine workbench; 41. a placement groove; 5. a metal sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a side balance self-checking device of a router comprises a supporting part 1 and a balance adjusting part 2 arranged at the upper end of the supporting part 1, wherein a balance display part 3 is arranged at the tail end of the supporting part 1, one side of the supporting part 1 is fixedly arranged at the inner side of a workbench 4 of the router, and the tail end of the balance display part 3 is clamped on a metal sheet 5 at the upper end of the workbench 4 of the router.

Referring to fig. 3, a side balance self-checking device of a router, a supporting component 1 includes a supporting plate 11 and four insertion tubes 12 movably inserted into the supporting plate 11, the upper end of the supporting plate 11 is provided with a first groove 111 and a second groove 112, the insertion tubes 12 are provided with four insertion tubes 12, the other end of each insertion tube 12 is provided with a connecting disc 13, the connecting discs 13 are fixedly arranged at the inner side of a router worktable 4, one side of one end of the supporting plate 11 is provided with a first screw 14 in a penetrating manner, and one side of the other end is provided with a second screw 15 in a penetrating manner, when the supporting plate 11 is pulled out from the router worktable 4, the insertion tubes 12 can be clamped by screwing the first screw 14, when the supporting plate 11 is pushed into the router worktable 4, the insertion tubes 12 can be clamped by screwing the second screw 15, both the supporting plates 11 can be conveniently fixed, the supporting plate 11 can be conveniently contracted and moved, and the whole occupied space is small.

The balance adjusting part 2 comprises a moving part 21, a first rolling column 22 and a second rolling column 23, wherein the first rolling column 22 and the second rolling column 23 are arranged at the upper end of the moving part 21, the first rolling column 22 and the second rolling column 23 are parallel to each other, and an upper tangent point and the upper surface of the worktable 4 of the slotting machine are on the same horizontal plane, so that when the metal sheet 5 is supported, the whole is on the same horizontal plane, and the balance inspection is ensured.

Referring to fig. 4, a side balance self-checking device of a router, a moving member 21 includes a supporting shell 211 and a controller 212 disposed inside the supporting shell 211, a servo motor 213 is further disposed inside the supporting shell 211, a driving end of the servo motor 213 is connected to a driving gear 214, the other end of the driving gear 214 is movably connected to the supporting shell 211, the driving gear 214 is engaged with a driven gear 215 disposed at a lower end thereof, the driven gear 215 is sleeved at a middle portion of a cross bar 216, one end of the cross bar 216 is disposed with a first roller 217, the other end of the first roller 217 is movably connected to the supporting shell 211, the other end of the cross bar 216 is disposed with a second roller 218, the other end of the second roller 218 is movably connected to the supporting shell 211, the first roller 217 corresponds to the first groove 111, and the second roller 218 corresponds to the second groove 112.

When the side balance self-checking is needed, the controller 212 controls the servo motor 213 to start, the servo motor 213 drives the driving gear 214 to rotate, the driving gear 214 further drives the driven gear 215 to rotate, the driven gear 215 further drives the first roller 217 and the second roller 218 to rotate, and further the balance adjusting part 2 moves integrally, at the moment, the first rolling column 22 and the second rolling column 23 change the support point of the metal sheet 5 continuously in the moving process until reaching the balance point, the servo motor 213 stops, the automatic side balance checking is convenient to perform, and the precision of the metal sheet 5 in the grooving is ensured.

Referring to fig. 5, a side balance self-checking device of a router, a balance display component 3 includes a support column 31 and a third screw 32 disposed at the lower end of the support column 31, the third screw 32 penetrates the support column 31 in a threaded manner and can be connected with one side of the support plate 11 in a threaded manner, the support column 31 is mounted at one side of the support plate 11 through the third screw 32, so that the balance display component 3 can be taken down integrally and placed into a placement groove 41 formed in the inner side of a workbench 4 of the router, and the placement is convenient for storage.

Referring to fig. 6-7, a side balance self-checking device of a router, a balance member 33 is movably disposed at the upper end of a support column 31, the balance member 33 corresponds to a groove 311 formed at the upper end of the support column 31, and the lower end of the groove 311 is semicircular and matched with the end of the balance member 33.

The balance member 33 comprises a thickened pipe 331 and rotating columns 332 arranged on two sides of the thickened pipe 331, the rotating columns 332 are movably inserted into the supporting columns 31, an extending rod 333 is arranged at the other end of the thickened pipe 331, and a horizontal member 334 is connected to the other end of the extending rod 333 in a threaded manner.

Referring to fig. 8 to 9, in the self-checking device for the lateral balance of the router, the horizontal member 334 includes a first connecting rod 3341 and a connecting tube 3342 disposed at one end of the first connecting rod 3341, the other end of the connecting tube 3342 is provided with a lead screw 3343, the lead screw 3343 is in threaded connection with the extension rod 333, the length of the first connecting rod 3341 can be flexibly adjusted, and the contact point of the convex ball 3346 with the upper surface of the metal plate 5 can be conveniently controlled.

The other end of the first link 3341 is provided with a level 3344, the other end of the level 3344 is provided with a second link 3345, the other end of the second link 3345 is provided with a convex ball 3346, the diameters of the first link 3341, the second link 3345 and the extension rod 333 are the same, and the maximum diameter of the convex ball 3346 is the same as the diameter of the enlarged tube 331.

When carrying out the side equilibrium inspection, because the less thin sheetmetal 5 side extends, lead to sheetmetal 5 to take place the bending, when protruding ball 3346 and bellied sheetmetal 5 contact, can take place the slope, spirit level 3344's bubble is not in the centre this moment, along with the continuous forward movement of balance adjustment part 2, sheetmetal 5 is in the horizontality gradually, when spirit level 3344's bubble is in the centre, balance adjustment part 2 stops to remove this moment, side balance adjustment finishes, when carrying out the keyway planing again this moment, keyway planing degree of depth and straightness accuracy do not have too big error, improve the keyway planing precision of keyway planing machine.

The invention provides another technical scheme that: the implementation method of the side balance self-checking device of the router is provided, and comprises the following steps:

the method comprises the following steps: pulling the supporting plate 11 out of the worktable 4 of the router, moving the balance adjusting part 2 to one end of the supporting plate 11 close to the worktable 4 of the router, and installing the balance display part 3;

step two: the controller 212 controls the servo motor 213 to start, the servo motor 213 drives the driving gear 214 to rotate, the driving gear 214 further drives the driven gear 215 to rotate, the driven gear 215 further drives the first roller 217 and the second roller 218 to rotate, and the balance adjusting part 2 is enabled to integrally move;

step three: when the convex ball 3346 comes into contact with the convex metal sheet 5, it tilts, and the air bubble of the level 3344 is not in the middle, and as the balance adjusting member 2 continuously moves forward, the metal sheet 5 is gradually in a horizontal state, and when the air bubble of the level 3344 is in the middle, the balance adjusting member 2 stops moving, and the side balance adjustment is completed.

In summary, the following steps: the invention relates to a side balance self-checking device of a slot planer and an implementation method thereof, which comprises a supporting part 1 and a balance adjusting part 2 arranged at the upper end of the supporting part 1, wherein the upper end of a moving part 21 is provided with a first rolling column 22 and a second rolling column 23, the first rolling column 22 and the second rolling column 23 are parallel to each other, and an upper tangent point and the upper surface of a worktable 4 of the slot planer are on the same horizontal plane, when the side balance self-checking is required, a controller 212 controls a servo motor 213 to start, the servo motor 213 drives a driving gear 214 to rotate, the driving gear 214 further drives a driven gear 215 to rotate, the driven gear 215 further drives a first roller 217 and a second roller 218 to rotate, so that the balance adjusting part 2 integrally moves, at the moment, the supporting point of a metal sheet 5 is continuously changed by the first rolling column 22 and the second rolling column 23 in the moving process until the balancing point is reached, the servo motor 213 stops to facilitate the automatic side balance check, so as to ensure the precision of the grooving of the metal sheet 5, the upper end of the support column 31 is movably provided with the balance member 33, the balance member 33 corresponds to the groove 311 formed on the upper end of the support column 31, the lower end of the groove 311 is semicircular and is matched with the tail end of the balance member 33, the diameters of the first connecting rod 3341, the second connecting rod 3345 and the extension rod 333 are the same, the maximum diameter of the convex ball 3346 is the same as that of the thickening pipe 331, when the side balance check is performed, the metal sheet 5 bends due to the extension of the side edge of the thinner metal sheet 5, when the convex ball 3346 contacts the convex metal sheet 5, the inclination occurs, at this time, the bubbles of the level gauge 3344 are not in the middle, as the balance adjusting member 2 continuously moves forward, the metal sheet 5 is gradually in a horizontal state, when the bubbles of the level gauge 3344 are in the middle, at this moment, the balance adjusting part 2 stops moving, the side balance adjustment is finished, at this moment, when the grooving is carried out again, the grooving depth and the straightness accuracy do not have too large errors, the grooving precision of the grooving machine is improved, after the supporting plate 11 is taken out from the worktable 4 of the grooving machine, the inserting pipe 12 can be clamped through screwing the first screw 14, after the supporting plate 11 is pushed into the worktable 4 of the grooving machine, the inserting pipe 12 can be clamped through screwing the second screw 15, the supporting plate 11 is convenient to fix for two, the supporting plate 11 is convenient to shrink, the movement is convenient, the whole occupied space is small, the third screw 32 penetrates through the supporting column 31 and can be connected with the screw thread on one side of the supporting plate 11, the balance display part 3 is convenient to be integrally taken down, and the balance display part is placed into the placing groove 41 formed in the inner side of the worktable 4 of the grooving machine, and the storage is convenient.

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

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.