CN217253205U - Efficient and stable plate cutting device for machining - Google Patents

Abstract

The utility model relates to a machining technical field just discloses a panel cutting device is stabilized with high efficiency to machining, including organism and landing leg, landing leg fixed mounting is in the below of organism, the below of organism is kept away from the equal fixed mounting in central point position both sides and is had two sets of fixed blocks one. This panel cutting device is stabilized with high efficiency to machining, motor one works, the output rotates, thereby drive inboard threaded rod and rotate, the threaded rod rotates the slider that drives the outside and removes, the connecting rod that the slider removed and drives both sides removes, thereby can drive cutting mechanism and carry out the position removal, motor two works, the output rotates, thereby can drive the spliced pole removal of one side, the spliced pole removes the gear revolve that can drive other one side, gear and tooth's socket meshing are connected, thereby can drive whole drive mechanism and remove, consequently, can drive the cutting wheel and carry out the transverse cutting, thereby do not need to dismantle the condition that the installation changed the work piece position to the work piece many times.

Description

Efficient and stable plate cutting device for machining

Technical Field

The utility model relates to a machining technical field specifically is a panel cutting device is stabilized to high efficiency for machining.

Background

The plate cutting device for machining the mechanical parts is a device used for cutting raw plates in the production process of the mechanical parts, can correspondingly cut larger plates to obtain usable plates with corresponding sizes, and is widely used in the field of cutting devices.

In the process of cutting the panel, the cutting wheel can only carry out the cutting processing to the work piece fixed track, after the cutting finishes, take out the work piece, carry out the secondary clamping after the turn-over, in-process at the dismouting that relapses, lead to panel to take place to collide with the damage problem easily, reduce the yield of product, in addition, when cutting the steel sheet, the cutting wheel can deepen the steel sheet inboard gradually, then manual handheld clear water cools down the cutting position, because during the cooling, the majority can only cool down to the steel sheet surface, consequently, lead to the cutting piece card inside the steel sheet easily, thereby the condition that the cutting piece bursts apart takes place easily appears, and, when anchor clamps centre gripping work piece, for guaranteeing the work piece centre gripping is stable, the power of centre gripping is great, and the lifting surface area of steel sheet is great, easily lead to the work piece centre gripping to warp, and then easily lead to the steel sheet to jump out from anchor clamps.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a panel cutting device is stabilized with high efficiency to machining possesses a clamping and can cool down and protect the work piece can not receive advantages such as anchor clamps damage to steel sheet and cutting wheel contact inboard when cutting, cutting many times, has solved the problem that the background art provided.

(II) technical scheme

Can cool down and protect the work piece can not receive the purpose that anchor clamps damaged to steel sheet and cutting wheel contact inboard when carrying out cutting, cutting many times for realizing above-mentioned clamping, the utility model provides a following technical scheme: a high-efficiency stable plate cutting device for machining comprises a machine body and supporting legs, wherein the supporting legs are fixedly arranged below the machine body, two groups of first fixing blocks are fixedly arranged on two sides of the position, far away from the center, below the machine body, of the first fixing blocks, two groups of first rotating shaft seats are fixedly arranged on the inner sides of the first fixing blocks, two groups of first rotating shaft seats are rotatably connected with threaded rods, the diameters of the threaded rods are the same as those of the inner sides of the first rotating shaft seats, sliding blocks are arranged on the outer sides of the two groups of threaded rods, a first motor is fixedly arranged on one side of each of the two groups of threaded rods, connecting rods are fixedly arranged above the two groups of sliding blocks, limit blocks are fixedly arranged above the two groups of connecting rods, connecting blocks are fixedly arranged on the outer sides of the two groups of connecting rods, sliding rods are fixedly arranged on the inner sides of the two groups of connecting blocks, tooth grooves are formed above the sliding rods, and a transmission mechanism is arranged on the outer side of the sliding rod.

Preferably, the inner sides of the two groups of sliding blocks are fixedly provided with connecting cylinders, inner threads are formed in the inner sides of the connecting cylinders, and the inner threads are rotatably connected with the threads on the outer sides of the threaded rods.

Preferably, drive mechanism includes that the installation is dull and stereotyped, one side fixed mounting of installation flat board is with backup pad two, backup pad two and the dull and stereotyped welding of installation, the top fixed mounting of backup pad two has motor two, motor two and backup pad two pass a backup pad fixed connection, fixing bolt fixed connection is passed with backup pad two to backup pad one, the output fixed mounting of motor two has the spliced pole, the top fixed mounting of spliced pole has the gear, the central point in the slide bar top is installed to the gear, gear and tooth's socket meshing are connected, the below fixed mounting of installation flat board has cylinder one, the below fixed mounting of cylinder one has motor three, the output below fixed mounting of motor three has cutting mechanism.

Preferably, the cutting mechanism includes the supporting shoe, the below inboard of supporting shoe is seted up flutedly, the equal fixed mounting in inside both sides of recess has pivot seat two, the inboard of pivot seat two is rotated and is connected with the pivot, the diameter of pivot is the same with the inboard diameter of pivot seat two, one side fixed mounting of pivot has motor four, the outside middle part fixed mounting of pivot has the cutting wheel.

Preferably, equal sliding connection in both sides middle part of organism has two sets of fixed plates, and is two sets of the equal fixed mounting in top of fixed plate has cylinder two, and is two sets of the equal fixed mounting in top of cylinder two has fixed block two, and is two sets of the equal fixed mounting in inboard of fixed block two has the telescopic link, and is two sets of the equal fixed mounting in one side in addition of telescopic link has the connecting seat, the top welding of connecting seat and telescopic link is two sets of the equal fixed mounting in below of connecting seat has the dead lever, and is two sets of the equal fixed mounting in below of dead lever has the mounting plate.

Preferably, it is two sets of the top fixed mounting of stopper has the roof, the top of roof is kept away from central point and is put one side fixed mounting and have the coolant liquid case, the roof top is close to central point and puts one side fixed mounting and have the water pump, water pump and coolant liquid case pass through connecting pipe fixed connection, one side fixed mounting in addition of water pump has the drain pipe, the end of drain pipe is installed in one side of cutting wheel, the terminal and the dull and stereotyped below of installation of drain pipe pass through a limiting plate fixed connection.

Preferably, the installation flat plate is concave, the installation flat plate is slidably mounted on the outer side of the sliding rod, the inner side of the installation flat plate is rotatably connected with a ball, and the surface of the ball is attached to the lower portion of the sliding rod.

Preferably, the lower part of the fixed rod is welded with the upper part of the fastening plate, and the lower parts of the two groups of fastening plates are fixedly provided with protective pads.

Preferably, three fixed connection of limiting plate are passed through to the middle part of drain pipe and the dull and stereotyped one side of installation, two fixed connection of limiting plate are passed through to the below of drain pipe and slide bar, open the below of slide bar has the spout, the pulley is installed to the top of limiting plate two, the pulley is at the inside sliding connection of spout.

(III) advantageous effects

The utility model discloses possess following beneficial effect:

1. this panel cutting device is stabilized with high efficiency to machining, motor one works, the output rotates, thereby drive inboard threaded rod and rotate, the threaded rod rotates the slider that drives the outside and removes, the connecting rod that the slider removed and drives both sides removes, thereby can drive cutting mechanism and carry out the position removal, motor two works, the output rotates, thereby can drive the spliced pole removal of one side, the spliced pole removes the gear revolve that can drive other one side, gear and tooth's socket meshing are connected, thereby can drive whole drive mechanism and remove, consequently, can drive the cutting wheel and carry out the transverse cutting, thereby do not need to dismantle the installation to the work piece many times, can change the condition of work piece cutting position.

2. This panel cutting device is stabilized with high efficiency to machining, motor three rotate to the cutting wheel that drives the below carries out the transform of arbitrary angle, thereby can cut the work piece of different shapes, consequently can the direct cutting handle special-shaped workpiece.

3. This panel cutting device is stabilized with high efficiency to machining, the coolant liquid of coolant liquid incasement portion is extracted through the connecting pipe to the water pump work, then carries out taking out of water pump, enters into the drain pipe, then cools off the cooling to the contact surface of cutting wheel and steel sheet through the end of drain pipe to avoid the cutting wheel because with the steel sheet when cutting for a long time, the condition that the cutting wheel hardness that is heated reduces appears.

4. This panel cutting device is stabilized with high efficiency to machining, water pump work, and the coolant liquid is lubricated the contact surface of cutting wheel and steel sheet through the terminal blowout of drain pipe, and when avoiding cutting wheel and work piece cutting, thereby the cutting wheel card causes the condition that the cutting wheel damaged in the steel sheet is inside, can avoid motor four to damage because the work of forcing simultaneously.

5. This panel cutting device is stabilized with high efficiency to machining, cylinder two downstream drives the connecting seat of top and removes, and the connecting seat downstream drives the dead lever downstream of below, and the dead lever downstream drives below mounting plate and fixes the below steel sheet to avoid when pressing from both sides tightly, the condition that the work piece atress inequality appears jumping out.

6. This panel cutting device is stabilized with high efficiency to machining, telescopic link work contracts, drives the connecting seat and contracts, and the connecting seat drives the mounting plate of below and contracts to can change the distance of mounting plate, and then can press from both sides tightly the work piece of different width, when installing the work piece of equidimension not, the fixed plate slides in the both sides of organism, thereby can change the position of mounting plate, thereby can fix the work piece of equidimension not.

Drawings

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

FIG. 2 is a schematic view of the threaded rod mounting structure of the present invention;

FIG. 3 is a schematic view of a second mounting structure of the motor of the present invention;

FIG. 4 is a schematic view of a mounting structure of the cylinder of the present invention;

FIG. 5 is the schematic view of the installation structure of the cutting wheel of the present invention

FIG. 6 is the schematic diagram of the installation structure of the water pump of the present invention

Fig. 7 is a schematic view of the mounting structure of the fastening plate of the present invention.

In the figure: 1. a body; 2. a connecting rod; 3. a top plate; 4. a coolant tank; 5. a slide bar; 6. a fixing plate; 7. a support leg; 8. a slider; 9. a first fixed block; 10. a limiting block; 11. a first motor; 12. connecting blocks; 13. a connecting cylinder; 14. a threaded rod; 15. a protective pad; 16. a transmission mechanism; 17. a second motor; 18. a support block; 19. a first cylinder; 20. installing a flat plate; 21. a gear; 22. connecting columns; 23. a fastening plate; 24. a first support plate; 25. fixing the bolt; 26. a second support plate; 27. a third motor; 28. a fourth motor; 29. a rotating shaft; 30. a cutting wheel; 31. a liquid outlet pipe; 32. a first limiting plate; 33. a water pump; 34. a connecting pipe; 35. a second limiting plate; 36. a third limiting plate; 37. a second air cylinder; 38. a second fixed block; 39. a telescopic rod; 40. a connecting seat; 41. and (5) fixing the rod.

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.

Example one

Referring to fig. 1-7, a high-efficiency stable plate cutting device for machining comprises a machine body 1 and supporting legs 7, wherein the supporting legs 7 are fixedly arranged below the machine body 1, two sides of the position, far away from the center, below the machine body 1 are respectively and fixedly provided with two groups of fixing blocks I9, the inner sides of the two groups of fixing blocks I9 are respectively and fixedly provided with a rotating shaft seat I, the inner sides of the two groups of rotating shaft seats I are respectively and rotatably connected with a threaded rod 14, the diameter of the threaded rod 14 is the same as that of the inner side of the rotating shaft seat I, the outer sides of the two groups of threaded rods 14 are respectively provided with a sliding block 8, the inner sides of the two groups of sliding blocks 8 are respectively and fixedly provided with a connecting cylinder 13, the inner side of the connecting cylinder 13 is provided with an internal thread, the internal thread is rotatably connected with the external thread of the threaded rod 14 and can rotate with the external thread of the threaded rod 14, so that the sliding block 8 can move, one side of the two groups of the threaded rod 14 is respectively and is fixedly provided with a motor I11, the connecting rods 2 are fixedly arranged above the two groups of sliders 8, the limiting blocks 10 are fixedly arranged above the two groups of connecting rods 2, the connecting blocks 12 are fixedly arranged on the outer sides of the two groups of connecting rods 2, the sliding rods 5 are fixedly arranged on the inner sides of the two groups of connecting blocks 12, tooth grooves are formed in the upper sides of the sliding rods 5, the transmission mechanism 16 is arranged on the outer side of each sliding rod 5, when the surface of a steel plate is cut, the motor I11 works, the output end rotates to drive the threaded rod 14 on the inner side to rotate, the threaded rod 14 rotates to drive the sliders 8 on the outer side to move, the sliders 8 move to drive the connecting rods 2 on the two sides to move, so that the cutting mechanism can be driven to move in position, the steel plate is vertically cut, the transmission mechanism 16 comprises an installation flat plate 20, a supporting plate II 26 is fixedly arranged on one side of the installation flat plate 20, the supporting plate II 26 is welded with the installation flat plate 20, and a motor II 17 is fixedly arranged above the supporting plate 26, the second motor 17 is fixedly connected with the second support plate 26 through the first support plate 24, the first support plate 24 is fixedly connected with the second support plate 26 through a fixing bolt 25, a connecting column 22 is fixedly installed at the output end of the second motor 17, a gear 21 is fixedly installed at the top end of the connecting column 22, the gear 21 is installed at the central position above the sliding rod 5, the gear 21 is meshed with a tooth groove, when the surface of a steel plate is transversely cut, the second motor 17 works, the output end rotates, the connecting column 22 on one side can be driven to move, the connecting column 22 on the other side can be driven to move, the gear 21 is meshed with the tooth groove, the whole transmission mechanism 16 can be driven to move, the cutting wheel 30 can be driven to transversely cut, a first air cylinder 19 is fixedly installed below the installation flat plate 20, a third motor 27 is fixedly installed below the first air cylinder 19, and a cutting mechanism is fixedly installed below the output end of the third motor 27, when cutting, the special-shaped workpiece is cut as required, so that the motor III 27 rotates to drive the lower cutting wheel 30 to change the angle at will, thereby cutting workpieces with different shapes, the cutting mechanism comprises a supporting block 18, a groove is arranged at the lower inner side of the supporting block 18, a second rotating shaft seat is fixedly arranged at both sides of the inner part of the groove, a rotating shaft 29 is rotatably connected at the inner side of the second rotating shaft seat, the diameter of the rotating shaft 29 is the same as that of the inner side of the second rotating shaft seat, a fourth motor 28 is fixedly arranged at one side of the rotating shaft 29, a cutting wheel 30 is fixedly arranged at the middle part of the outer side of the rotating shaft 29, when the steel plate is cut, the first air cylinder 19 works downwards, so that the lower cutting wheel 30 is driven to work downwards to contact the surface of the steel plate, then the motor IV 28 works, the output end rotates to drive the rotating shaft 29 on one side to rotate, and the rotating shaft 29 rotates to drive the cutting wheel 30 on the outer side to cut the steel plate.

Further, two groups of fixing plates 6 are slidably connected to the middle portions of two sides of the machine body 1, two cylinders 37 are fixedly mounted above the two groups of fixing plates 6, two fixing blocks 38 are fixedly mounted on the top ends of the two groups of cylinders 37, telescopic rods 39 are fixedly mounted on the inner sides of the two groups of fixing blocks 38, connecting seats 40 are fixedly mounted on the other sides of the two groups of telescopic rods 39, the connecting seats 40 are welded to the top ends of the telescopic rods 39, fixing rods 41 are fixedly mounted below the two groups of connecting seats 40, fastening plates 23 are fixedly mounted below the two groups of fixing rods 41, the lower portions of the fastening plates 41 are welded to the upper portions of the fastening plates 23, protective pads 15 are fixedly mounted below the two groups of fastening plates 23, when the steel plates are fixed, the cylinders 37 move downwards to drive the connecting seats 40 above to move, the connecting seats 40 move downwards to drive the fixing rods 41 below to move downwards, dead lever 41 is worked downwards and is driven below mounting plate 23 and fix the below steel sheet to avoid when pressing from both sides tightly, the condition that the work piece atress inequality appears jumping out, when installing the work piece of equidimension not, fixed plate 6 slides in the both sides of organism 1, thereby can change the position of mounting plate 23, thereby can fix the work piece of equidimension not.

Example two

Based on the first embodiment, as shown in fig. 1-7, a top plate 3 is fixedly installed above two sets of limiting blocks 10, a cooling liquid tank 4 is fixedly installed on one side of the top plate 3 away from the central position, a water pump 33 is fixedly installed on one side of the top plate 3 close to the central position, the water pump 33 is fixedly connected with the cooling liquid tank 4 through a connecting pipe 34, a liquid outlet pipe 31 is fixedly installed on the other side of the water pump 33, the end of the liquid outlet pipe 31 is installed on one side of a cutting wheel 30, the end of the liquid outlet pipe 31 is fixedly connected with the lower side of a mounting plate 20 through a first limiting plate 32, the middle of the liquid outlet pipe 31 is fixedly connected with one side of the mounting plate 20 through a third limiting plate 36, the liquid outlet pipe 31 is fixedly connected with the lower side of a sliding rod 5 through a second limiting plate 35, a sliding groove is formed below the sliding rod 5, a pulley is installed above the second limiting plate 35, the pulley is connected in a sliding manner inside the sliding groove, when the cutting wheel 30 performs cutting, the water pump 33 works to pump the coolant in the coolant tank 4 through the connecting pipe 34, and then the water pump 33 pumps the coolant into the liquid outlet pipe 31, and then the contact surface between the cutting wheel 30 and the steel plate is cooled through the tail end of the liquid outlet pipe 31.

The working principle is as follows: when cutting the steel sheet, at first fixing the steel sheet, when fixing the steel sheet, cylinder two 37 moves down, drives the connecting seat 40 of top and removes, and connecting seat 40 moves down and drives the dead lever 41 downstream of below, and dead lever 41 works down and drives below mounting plate 23 and fix the steel sheet below.

After fixing is finished, when the steel plate is cut, the first air cylinder 19 works downwards to drive the lower cutting wheel 30 to work downwards to contact with the surface of the steel plate, then the fourth motor 28 works, the output end rotates to drive the rotating shaft 29 on one side to rotate, and the rotating shaft 29 rotates to drive the cutting wheel 30 on the outer side to cut the steel plate.

During the cutting process, the water pump 33 works to pump the cooling liquid in the cooling liquid tank 4 through the connecting pipe 34, then the water pump 33 is pumped out to enter the liquid outlet pipe 31, and then the contact surface of the cutting wheel 30 and the steel plate is cooled through the tail end of the liquid outlet pipe 31.

And when the cutting need remove, 11 works on the motor, the output rotates, thereby drive inboard threaded rod 14 and rotate, threaded rod 14 rotates the slider 8 that drives the outside and removes, slider 8 removes the connecting rod 2 that drives both sides and removes, thereby can drive cutting mechanism and carry out the position and remove, and then vertically cut the steel sheet, two 17 works on the motor, the output rotates, thereby can drive the spliced pole 22 of one side and remove, spliced pole 22 removes the gear 21 that can drive other one side and rotates, gear 21 and tooth's socket meshing are connected, thereby can drive whole drive mechanism 16 and remove, consequently, can drive cutting wheel 30 and carry out the transverse cutting.

When the special-shaped workpiece needs to be cut and processed, the third motor 27 rotates to drive the cutting wheel 30 below to change at any angle, so that the workpieces in different shapes can be cut.

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 (9)

1. A high-efficiency stable plate cutting device for machining comprises a machine body (1) and supporting legs (7), wherein the supporting legs (7) are fixedly arranged below the machine body (1);

the method is characterized in that:

the machine is characterized in that two groups of first fixing blocks (9) are fixedly mounted on two sides of the position of the center of the machine body (1) below, two groups of first fixing blocks (9) are fixedly mounted on the inner sides of the first fixing blocks, threaded rods (14) are rotatably connected on the inner sides of the two groups of first rotating blocks, the diameter of each threaded rod (14) is identical to that of the inner side of each rotating block, sliders (8) are mounted on the outer sides of the two groups of threaded rods (14), a first motor (11) is fixedly mounted on one side of each threaded rod (14), connecting rods (2) are fixedly mounted on the upper sides of the two groups of sliders (8), limit blocks (10) are fixedly mounted on the upper sides of the two groups of connecting rods (2), connecting blocks (12) are fixedly mounted on the outer sides of the two groups of connecting rods (2), and sliding rods (5) are fixedly mounted on the inner sides of the two groups of connecting blocks (12), tooth grooves are formed in the upper portion of the sliding rod (5), and a transmission mechanism (16) is installed on the outer side of the sliding rod (5).

2. The efficient and stable plate cutting device for machining according to claim 1, characterized in that: the inner sides of the two groups of sliding blocks (8) are fixedly provided with connecting cylinders (13), inner threads are formed in the inner sides of the connecting cylinders (13), and the inner threads are rotatably connected with the threads on the outer sides of the threaded rods (14).

3. The efficient and stable plate cutting device for machining according to claim 1, characterized in that: drive mechanism (16) includes installation flat board (20), one side fixed mounting of installation flat board (20) has backup pad two (26), backup pad two (26) and installation flat board (20) welding, the top fixed mounting of backup pad two (26) has motor two (17), motor two (17) and backup pad two (26) are through backup pad one (24) fixed connection, backup pad one (24) and backup pad two (26) are through fixing bolt (25) fixed connection, the output fixed mounting of motor two (17) has spliced pole (22), the top fixed mounting of spliced pole (22) has gear (21), the central point that slide bar (5) top was installed in gear (21) is put, gear (21) and tooth's socket meshing connection, the below fixed mounting of installation flat board (20) has cylinder one (19), and a third motor (27) is fixedly mounted below the first cylinder (19), and a cutting mechanism is fixedly mounted below the output end of the third motor (27).

4. The efficient and stable plate cutting device for machining according to claim 3, characterized in that: the cutting mechanism comprises a supporting block (18), a groove is formed in the inner side of the lower portion of the supporting block (18), a second rotating shaft seat is fixedly mounted on two sides of the inner portion of the groove, a rotating shaft (29) is connected to the inner side of the second rotating shaft seat in a rotating mode, the diameter of the rotating shaft (29) is the same as that of the inner side of the second rotating shaft seat, a fourth motor (28) is fixedly mounted on one side of the rotating shaft (29), and a cutting wheel (30) is fixedly mounted in the middle of the outer side of the rotating shaft (29).

5. The efficient and stable plate cutting device for machining according to claim 1, characterized in that: equal sliding connection in both sides middle part of organism (1) has two sets of fixed plates (6), and is two sets of the equal fixed mounting in top of fixed plate (6) has two (37) cylinders, and is two sets of the equal fixed mounting in top of two (37) cylinders has two (38), and is two sets of the equal fixed mounting in inboard of two (38) fixed blocks has telescopic link (39), and is two sets of the equal fixed mounting in one side in addition of telescopic link (39) has connecting seat (40), the top welding of connecting seat (40) and telescopic link (39), two sets of the equal fixed mounting in below of connecting seat (40) has dead lever (41), and is two sets of the equal fixed mounting in below of dead lever (41) has mounting plate (23).

6. The efficient and stable plate cutting device for machining according to claim 1, characterized in that: two sets of the top fixed mounting of stopper (10) has roof (3), the top of roof (3) is kept away from central point and is put one side fixed mounting and have coolant liquid case (4), roof (3) top is close to central point and puts one side fixed mounting and have water pump (33), water pump (33) and coolant liquid case (4) are through connecting pipe (34) fixed connection, one side fixed mounting in addition of water pump (33) has drain pipe (31), one side at cutting wheel (30) is installed to the end of drain pipe (31), limiting plate (32) fixed connection is passed through to the end and the installation flat board (20) below of drain pipe (31).

7. The efficient and stable plate cutting device for machining according to claim 3, characterized in that: the installation flat plate (20) is of a concave type, the installation flat plate (20) is slidably installed on the outer side of the sliding rod (5), the inner side of the installation flat plate (20) is rotatably connected with a ball, and the surface of the ball is attached to the lower portion of the sliding rod (5).

8. The efficient and stable plate cutting device for machining according to claim 5, characterized in that: the lower part of the fixing rod (41) is welded with the upper part of the fastening plate (23), and the lower parts of the fastening plates (23) are fixedly provided with protective pads (15).

9. The efficient and stable plate cutting device for machining according to claim 6, wherein: three (36) fixed connection of limiting plate are passed through to the middle part of drain pipe (31) and one side of installation flat board (20), two (35) fixed connection of limiting plate are passed through to the below of drain pipe (31) and slide bar (5), open the below of slide bar (5) has the spout, the pulley is installed to the top of limiting plate two (35), the pulley is at the inside sliding connection of spout.

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