阅读说明：本技术 一种具有压平功能的剪板机 (Plate shearing machine with flattening function ) 是由 华亮 于 2021-10-20 设计创作，主要内容包括：本发明公开了一种具有压平功能的剪板机,包括两个相互连接的机架,各所述机架的下端固定连接有支撑架,两个所述机架之间从左至右依次设有进料机构、剪切机构、出料机构,所述进料机构的上方设有压平机构,所述进料机构、剪切机构、出料机构共同连接有驱动机构；所述压平机构包括多个等距设置的压平单元和与比压平单元数目少一的连接板,所述压平单元包括两个屏蔽箱,每两个相邻所述压平单元中相邻的两个屏蔽箱之间均与连接板固定连接,且连接板的两端与两个机架固定连接,各所述屏蔽箱内滑动连接有屏蔽板。本发明可循序渐进地增强压平辊的屈服强度,以应对平整度较差、材料强度较大的板材,并且可流水线式地对板材进行等宽剪切。(The invention discloses a plate shearing machine with a flattening function, which comprises two mutually connected machine frames, wherein the lower end of each machine frame is fixedly connected with a support frame; flattening mechanism include a plurality of equidistance set up flatten the unit and with than flatten the less connecting plate of unit figure, flatten the unit include two shielded cells, per two is adjacent flatten between the unit adjacent two shielded cells all with connecting plate fixed connection, and the both ends and two frame fixed connection of connecting plate, each there is the shield plate shielding box sliding connection. The invention can gradually enhance the yield strength of the flattening roller so as to deal with the plate with poor flatness and higher material strength, and can carry out equal-width shearing on the plate in a production line manner.)

1. The utility model provides a plate shearing machine with function of flattening, includes two interconnect's frame (1), each the lower extreme fixedly connected with support frame (2) of frame (1), its characterized in that: a feeding mechanism, a shearing mechanism and a discharging mechanism are sequentially arranged between the two racks (1) from left to right, a flattening mechanism is arranged above the feeding mechanism, and the feeding mechanism, the shearing mechanism and the discharging mechanism are jointly connected with a driving mechanism;

flattening mechanism include a plurality of equidistance set up flatten unit (7) and with than flatten unit (7) figure less than connecting plate (8), flatten unit (7) including two shielding case (71), per two adjacent flatten between two adjacent shielding case (71) in unit (7) all with connecting plate (8) fixed connection, and the both ends and two frame (1) fixed connection of connecting plate (8), each sliding connection has shielding plate (72) in shielding case (71), the common fixedly connected with spring (76) of the upper end of shielding plate (72) and the interior top of shielding case (71), the upper end of shielding plate (72) is inlayed and is equipped with permanent magnetism piece (73), the interior top of shielding case (71) is inlayed and is equipped with electromagnetic block (77), and electromagnetic block (77) all are located the inboard of spring (76) with permanent magnetism piece (73), permanent magnetism piece (73) and electromagnetic block (77) repel each other and set up, the electromagnetic blocks (77) are composed of an iron core (771) and a lead wire (772) wound on the outer side of the iron core (771), two ends of the lead wire (772) are electrically connected with an external power supply together, one end of the flattening mechanism close to the shearing mechanism is defined as a near end, the other end of the flattening mechanism close to the shearing mechanism is defined as a far end, and the number of turns wound by the lead wire (772) in each electromagnetic block (77) from far to near is gradually increased in an equal number mode.

2. The plate shearing machine with flattening function according to claim 1, characterized in that: the feeding mechanism comprises a plurality of first shaft rods (31), feeding rollers (3) which are coaxially and fixedly sleeved on the first shaft rods (31) and a feeding belt (4) which is tightly sleeved on the outer sides of the feeding rollers (3);

the discharging mechanism comprises a plurality of second shaft levers (51), discharging rollers (5) which are coaxially and fixedly sleeved on the second shaft levers (51) and a discharging belt (6) which is sleeved outside the discharging rollers (5) in a tensioning manner.

3. The plate shearing machine with flattening function according to claim 2, characterized in that: the feeding roller (3) is connected with the feeding belt (4) and the discharging roller (5) is connected with the discharging belt (6) in a tooth joint mode.

4. The plate shearing machine with flattening function according to claim 1, characterized in that: the shearing mechanism comprises two middle plates (9) fixed on the opposite sides of two racks (1), each middle plate (9) is composed of a thin plate and a thick plate which are integrally formed from top to bottom, a cutter groove (10) is formed in the lower end of each thick plate, an upper cutting edge (13) is arranged in each cutter groove (10), one opposite side of each thick plate is rotatably connected with a third shaft lever (14), one ends of the two third shaft levers (14) close to each other are coaxially and fixedly connected with a disc gear (15), eccentric positions of one sides of the two disc gears (15) close to each other are hinged with connecting rods (16) respectively corresponding to the upper ends of one sides of the upper cutting edges (13), one sides of the two thin plates close to each other are rotatably connected with a fourth shaft lever (17) above the disc gears (15), the fourth shaft lever (17) is coaxially and fixedly sleeved with a lever gear (18), and the lever gears (18) are respectively meshed with the two disc gears (15), and a lower cutting edge (19) is fixed at the corresponding position of the upper cutting edge (13) on the side close to the two racks (1).

5. The plate shearing machine with flattening function according to claim 4, characterized in that: the cutter is characterized in that limiting blocks (12) are fixedly connected to two sides of the upper cutting edge (13), limiting grooves (11) enabling the limiting blocks (12) to slide in the vertical direction are formed in the inner wall of the cutter groove (10), and fan-shaped grooves for enabling the connecting rods (16) to swing are formed in the top end of the cutter groove (10).

6. The plate shearing machine with flattening function according to claim 2 or 4, characterized in that: the driving mechanism comprises one of the first shaft levers (31) penetrating through the rack (1), one of the second shaft levers (51) penetrating through the rack (1) and one of the third shaft levers (14) penetrating through the middle plate (9), wherein one ends of the first shaft levers (31), the second shaft levers (51) and the third shaft levers (14) are coaxially and fixedly connected with external gears (24), the driving mechanism further comprises three fifth shaft levers (20) which are equidistantly and inwardly offset from the first shaft levers (31), the second shaft levers (51) and the third shaft levers (14), each fifth shaft lever (20) is coaxially sleeved with an internal gear (21), a plurality of internal gears (21) are jointly tensioned and meshed with a gear belt (22), one ends of the two external gears (24) connected with the first shaft levers (31) and the second shaft levers (51) are respectively and closely meshed with a gear with a shaft (25), and the gear with the shaft (25) is the same as the external gears (24), the outer surface of the gear belt (22) is provided with a plurality of equidistant tooth units which are engaged with an external gear (24) and a belt shaft gear (25) which are connected with a third shaft lever (14), wherein one fifth shaft lever (20) is connected with a driving source.

7. The plate shearing machine with flattening function according to claim 6, characterized in that: the tooth unit is including seting up recess (221) in gear belt (22) surface, be equipped with teeth of a cogwheel (23) in recess (221), nut (222) that have the step are all inlayed to the front and back side of recess (221), each nut (222) internal connection has countersunk screw (232), the front and back side of teeth of a cogwheel (23) is equipped with draw-in groove (231) with countersunk screw (232) joint.

Technical Field

The invention relates to the technical field of plate shearing machines, in particular to a plate shearing machine with a flattening function.

Background

The plate shearing machine is a machine for shearing plates by using a blade to do reciprocating linear motion relative to another blade, and applies shearing force to the plates with various thicknesses by using a reasonable blade gap by using a moving upper blade and a fixed lower blade so as to break and separate the plates according to the required size.

Chinese has a patent publication number to be CN213531589U a plate shearing machine with function of flattening, including base and hydraulic push rod, the upside fixedly connected with link of base, and the top fixed mounting of link has hydraulic push rod, hydraulic push rod's bottom fixedly connected with blade holder, the bar spout has been seted up to the inside of base, and the both ends of controlling of bar spout are inserted respectively and are equipped with the second slider, the inside of second slider is all vertical to be inserted and is equipped with the gag lever post, the upside fixedly connected with connecting rod of second slider, and the inner wall of connecting rod is connected with the screw rod through the bearing.

This patent adopts the mode of stripper plate concora crush panel, need frequently get in actual production and put panel, and the panel size of treating processing receives the restriction of stripper plate, and panel shearing efficiency is lower.

China also has a plate shearing machine with a flattening function, which is disclosed in CN209849973U, and comprises a plate shearing machine body and a placing platform fixed and horizontally placed with the plate shearing machine body, wherein adjusting mechanisms are fixedly arranged on two sides of one end of the placing platform, which is close to the plate shearing machine body, a flattening roller is horizontally and rotatably connected between the adjusting mechanisms on the two sides, and the adjusting mechanisms drive the flattening roller to move towards the direction close to or far from the placing platform, so that the flattening roller rotates towards the plate shearing machine body.

This patent adopts the cooperation of flattening roller and screw rod to carry out the rigidity to panel and compresses tightly, when meetting the obvious not flat panel of plane, material intensity great panel, panel probably not surrendered, leads to the screw thread damage or makes the condition of junction fracture between regulation structure and the place the platform.

Meanwhile, the two patents cannot continuously cut the plate at equal intervals and cannot adapt to assembly line operation.

To this end, we propose a plate shearing machine with flattening function to solve the above mentioned problems.

Disclosure of Invention

The invention aims to provide a plate shearing machine with a flattening function, which overcomes the defects in the prior art, can gradually enhance the yield strength of a flattening roller so as to deal with a plate with poor flatness and high material strength, and can perform equal-width shearing on the plate in a production line manner.

In order to achieve the purpose, the invention adopts the following technical scheme:

a plate shearing machine with a flattening function comprises two mutually connected machine frames, wherein the lower end of each machine frame is fixedly connected with a support frame, a feeding mechanism, a shearing mechanism and a discharging mechanism are sequentially arranged between the two machine frames from left to right, a flattening mechanism is arranged above the feeding mechanism, and the feeding mechanism, the shearing mechanism and the discharging mechanism are jointly connected with a driving mechanism; flattening mechanism include the flattening unit that a plurality of equidistances set up and with than flattening the connecting plate that the unit figure is one less, the unit that flattens includes two shielded cells, and per two are adjacent flatten between two adjacent shielded cells in the unit all with connecting plate fixed connection, and the both ends and two frame fixed connection of connecting plate, each sliding connection has the shielding plate in the shielded cell, the common fixedly connected with spring in upper end and the shielded cell of shielding plate, the upper end of shielding plate is inlayed and is equipped with the permanent magnetism piece, the interior top of shielded cell is inlayed and is equipped with the electromagnetic block, and the electromagnetic block all is located the inboard of spring with the permanent magnetism piece, the permanent magnetism piece repels the setting with the electromagnetic block, the electromagnetic block comprises the iron core and the wire of establishing in the iron core outside, the common electric connection in both ends of wire has external power supply, defines the one end that flattening mechanism is close to shearing mechanism is near-end, The other end is a far end, and the number of turns wound by the conducting wire in each electromagnetic block from the far end to the near end is increased progressively in an equal number.

Preferably, the feeding mechanism comprises a plurality of first shaft rods, feeding rollers coaxially and fixedly sleeved on the first shaft rods, and a feeding belt tensioned and sleeved outside the feeding rollers; the discharging mechanism comprises a plurality of second shaft levers, discharging rollers coaxially fixedly sleeved on the second shaft levers and a discharging belt tightly sleeved on the outer sides of the discharging rollers.

Preferably, the feeding roller and the feeding belt, and the discharging roller and the discharging belt are connected in a tooth joint mode.

Preferably, the shearing mechanism comprises two middle plates fixed on opposite sides of the two racks, each of the middle plates is composed of a thin plate and a thick plate which are integrally formed from top to bottom, a cutter groove is formed in the lower end of the thick plate, upper cutting edges are arranged in the two cutter grooves, a third shaft lever is rotatably connected to one opposite side of the two thick plates, a plate gear is coaxially and fixedly connected to one end close to the third shaft lever, a connecting rod is hinged to the upper end of one side, corresponding to each upper cutting edge, of the eccentric position of one side close to the two plate gears, a fourth shaft lever is rotatably connected to one side close to the two thin plates above the plate gear, a rod gear is coaxially and fixedly sleeved on the fourth shaft lever and is meshed with the two plate gears, and a lower cutting edge is fixed to one side close to the two racks and at the corresponding position of the upper cutting edge.

Preferably, both sides of the upper blade are fixedly connected with limit blocks, the inner wall of the cutter groove is provided with a limit groove for enabling the limit blocks to slide in the vertical direction, and the inner top end of the cutter groove is provided with a fan-shaped groove for enabling the connecting rod to swing.

Preferably, the driving mechanism includes one of first shafts penetrating the housing, one of second shafts penetrating the housing, and one of third shafts penetrating the middle plate, and one end of the first shaft lever, one end of the second shaft lever and one end of the third shaft lever are coaxially and fixedly connected with an external gear, the driving mechanism also comprises three fifth shaft levers which are equidistantly and inwardly deviated from the first shaft lever, the second shaft lever and the third shaft lever, each fifth shaft lever is coaxially sleeved with an internal gear, a plurality of internal gears are jointly tensioned and meshed with a gear belt, one ends of the two external gears connected with the first shaft lever and the second shaft lever close to each other are respectively meshed with a gear with a shaft, and the diameters of the gear with the shaft and the outer gear are the same, the outer surface of the gear belt is provided with a plurality of equidistant tooth units which can be meshed with the outer gear connected with a third shaft rod and the gear with the shaft, and one of the fifth shaft rod is connected with a driving source.

Preferably, the tooth unit is including seting up the recess at the gear area surface, be equipped with the teeth of a cogwheel in the recess, the side all inlays and is equipped with the nut that has the step around the recess, each nut internal thread connection has the countersunk screw, the side is equipped with the draw-in groove with the countersunk screw joint around the teeth of a cogwheel.

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

1. the plate is fed and flattened in advance through the feeding mechanism and the flattening mechanism, the number of turns of the coils from far to near is increased in an equal number, the magnetic field intensity of the electromagnetic blocks is in positive correlation with the number of turns of the coils on the basis of the same current in the lead, so that the magnetic repulsion force generated by each electromagnetic block from far to near to the permanent magnet blocks is increased in sequence, the yield strength of the flattening roller from far to near is increased in sequence, the plate is sequentially and gradually eliminated from being bulged in the advancing process, the flattening operation is realized, and the flattening device is particularly suitable for flattening materials with poor flatness and high material strength.

2. The driving mechanism of the invention can transmit torque to the first shaft lever, the third shaft lever and the second shaft lever in sequence by setting the number of the tooth units, so that the feeding belt can convey plates, the sheared and discharged belts can convey plates, and the plates can be sheared in equal width.

Drawings

Fig. 1 is a schematic structural diagram of a rear left side view of a plate shearing machine with a flattening function according to the present invention;

FIG. 2 is a schematic structural diagram of a rear right side view of a plate shearing machine with a flattening function according to the present invention;

fig. 3 is a schematic structural diagram of a front side of a plate shearing machine with a flattening function according to the present invention;

FIG. 4 is an enlarged schematic view of the flattening unit of FIG. 3;

FIG. 5 is a schematic structural diagram of connection lines of electromagnetic blocks of a plate shearing machine with a flattening function according to the present invention;

fig. 6 is a schematic structural diagram of a driving mechanism of a plate shearing machine with a flattening function according to the present invention;

fig. 7 is a schematic structural diagram of a plate shearing machine tooth unit with a flattening function according to the present invention.

In the figure: the automatic feeding device comprises a machine frame 1, a support frame 2, a feeding roller 3, a first shaft lever 31, a feeding belt 4, a discharging roller 5, a second shaft lever 51, a discharging belt 6, a flattening unit 7, a shielding box 71, a shielding plate 72, a permanent magnet 73, a mounting plate 74, a flattening roller 75, a spring 76, an electromagnetic block 77, an iron core 771, a lead 772, a connecting plate 8, a middle plate 9, a knife groove 10, a limiting groove 11, a limiting block 12, an upper cutting edge 13, a third shaft lever 14, a disk gear 15, a connecting rod 16, a fourth shaft lever 17, a gear lever 18, a lower cutting edge 19, a fifth shaft lever 20, an internal gear 21, a gear belt 22, a groove 221, a nut 222, a gear 23, a clamping groove 231, a sunk screw 232, an external gear 24 and a gear with shaft 25.

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.

It should be noted that, because there are many drawings in the present invention, when describing the structural connection relationship, the whole takes fig. 3 as an illustration standard, which is specifically as follows:

referring to fig. 1-7, a plate shearing machine with a flattening function comprises two mutually connected machine frames 1, wherein the lower end of each machine frame 1 is fixedly connected with a support frame 2, a feeding mechanism, a shearing mechanism and a discharging mechanism are sequentially arranged between the two machine frames 1 from left to right, a flattening mechanism is arranged above the feeding mechanism, and the feeding mechanism, the shearing mechanism and the discharging mechanism are jointly connected with a driving mechanism;

specifically, the mechanism of flattening includes the unit 7 that flattens that a plurality of equidistance set up and with the connecting plate 8 that flattens the less one of unit 7 figure than flattening, refer to fig. 4, the unit 7 that flattens includes two shielding boxes 71, all with connecting plate 8 fixed connection between two adjacent shielding boxes 71 in per two adjacent unit 7 that flatten, and the both ends and two frame 1 fixed connection of connecting plate 8, sliding connection has shielding plate 72 in each shielding box 71, through setting up shielding box 71 and shielding plate 72, make magnetic field effect only go on in inside, avoid influencing external electronic equipment.

The upper end of the shielding plate 72 and the inner top end of the shielding box 71 are fixedly connected with a spring 76 together, the spring 76 is made of a non-ferromagnetic material to avoid influencing the mutual matching of magnetic fields, a permanent magnet 73 is embedded in the upper end of the shielding plate 72, an electromagnetic block 77 is embedded in the inner top end of the shielding box 71, the electromagnetic block 77 and the permanent magnet 73 are both positioned on the inner side of the spring 76, the permanent magnet 73 and the electromagnetic block 77 are arranged in a repelling manner, namely, the magnetic pole directions of the permanent magnet 73 and the electromagnetic block 77 are the same, referring to fig. 5, the electromagnetic block 77 is composed of an iron core 771 and a lead 772 wound on the outer side of the iron core 771, two ends of the lead 772 are electrically connected with an external power supply together, one end of the flattening mechanism close to the shearing mechanism is defined as a near end, the other end of the flattening mechanism is defined as a far end, and the number of turns wound by the lead 772 among the far and near electromagnetic blocks 77 increases progressively in an equal number.

When the flattening roller is used, a plate is fed and flattened by the feeding mechanism and the flattening mechanism in advance, the conducting wire 772 is wound on the outer side of the iron core 771 in each electromagnetic block 77 from far and near for a plurality of circles (forming a coil) and then is connected with an external power supply, the number of turns of the coil from far and near is increased in an equal number, the magnetic field strength of the electromagnetic block 77 is positively correlated with the number of turns of the coil on the basis of the same current in the conducting wire 772, so that the magnetic repulsion force generated by each electromagnetic block 77 from far and near to the permanent magnet 73 is sequentially increased, the yield strength of the flattening roller 75 from far and near is sequentially increased, the plate is sequentially and gradually eliminated from being bulged in the advancing process, the flattening operation is realized, and the flattening roller is particularly suitable for flattening materials with poor flatness and high material strength.

Specifically, the feeding mechanism comprises a plurality of first shaft rods 31, feeding rollers 3 coaxially and fixedly sleeved on the first shaft rods 31, and a feeding belt 4 tightly sleeved on the outer sides of the feeding rollers 3;

specifically, the discharging mechanism comprises a plurality of second shaft levers 51, discharging rollers 5 coaxially fixedly sleeved on the second shaft levers 51, and a discharging belt 6 tensioned and sleeved outside the discharging rollers 5.

Further, the feeding roller 3 is connected with the feeding belt 4, and the discharging roller 5 is connected with the discharging belt 6 in a tooth joint mode. The transmission torque is more stable, and one of the first shaft 31/the second shaft 51 is driven, so that the feeding belt 4/the discharging belt 6 conveys the plate.

Specifically, the shearing mechanism comprises two middle plates 9 fixed on the opposite sides of two racks 1, each middle plate 9 is composed of a thin plate and a thick plate which are integrally formed from top and bottom, referring to fig. 1 and 2, a knife groove 10 is arranged at the lower end of the thick plate, an upper knife edge 13 is arranged in the two knife grooves 10, a third shaft lever 14 is rotatably connected with one opposite side of the two thick plates, a disk gear 15 is coaxially and fixedly connected with one end of each of the two third shaft levers 14, a connecting rod 16 is hinged with the upper end of one side of each of the two disk gears 15 at the eccentric position close to one side and the upper end of the corresponding upper knife edge 13, a fourth shaft lever 17 is rotatably connected with one close side of the two thin plates and above the disk gear 15, a rod gear 18 is coaxially and fixedly sleeved on the fourth shaft lever 17, the rod gear 18 is engaged with the two disk gears 15, the disk gear 15 and the rod gear 18 refer to the thickness and the diameter, a lower knife edge 19 is fixed on one close side of the two racks 1 and the corresponding position of the upper knife edge 13, the upper cutting edge 13 and the lower cutting edge 19 can cooperate with each other.

When one of the third shaft levers 14 is driven, the disk gear 15 can be driven, the other disk gear 15 is synchronously driven to rotate through the meshing of the lever gear 18, the two disk gears 15 can synchronously drive the upper blade 13 to reciprocate in the vertical direction through the connecting rod 16 in the rotating process, and then the lower blade 19 is matched to cut the plate.

Furthermore, both sides of the upper blade 13 are fixedly connected with a limiting block 12, the inner wall of the knife groove 10 is provided with a limiting groove 11 for enabling the limiting block 12 to slide in the vertical direction, and the inner top end of the knife groove 10 is provided with a fan-shaped groove for the connecting rod 16 to swing. The upper blade 13 moves more smoothly in the knife groove 10, and a swing space of the connecting rod 16 is provided.

It should be emphasized that the structural composition and the deformation of the feeding mechanism, the discharging mechanism and the shearing mechanism are common in the prior art, and therefore, the structural composition and the deformation are only used as a basis for completing the processes of feeding, shearing and discharging the plate.

Specifically, the driving mechanism comprises one of the first shaft rods 31 penetrating through the rack 1, one of the second shaft rods 51 penetrating through the rack 1, and one of the third shaft rods 14 penetrating through the middle plate 9, and one end of each of the first shaft rod 31, the second shaft rod 51, and the third shaft rod 14 is coaxially and fixedly connected with an external gear 24, the driving mechanism further comprises three fifth shaft rods 20 which are equidistantly and inwardly offset from the first shaft rod 31, the second shaft rod 51, and the third shaft rod 14, each fifth shaft rod 20 is coaxially sleeved with an internal gear 21, a plurality of internal gears 21 are jointly tensioned and meshed with a gear belt 22, one ends, close to the two external gears 24 connected with the first shaft rod 31 and the second shaft rod 51, of the belt shaft gears 25 are respectively meshed with the belt shaft gears 25, the diameters of the belt shaft gears 25 and the external gears 24 are the same, the rotating speed is unchanged, but the steering is changed, the outer surfaces of the gear belts 22 are provided with a plurality of equidistant tooth units which can be meshed with the external gears 24 and the belt gears 25 connected with the third shaft rods 14, one of the fifth shafts 20 is connected to a driving source, which is a conventional driving source.

To sum up, feed mechanism transmits through driving one of them first axostylus axostyle 31, discharge mechanism transmits through driving one of them second axostylus axostyle 51, dish gear 15 rotates through driving one of them third axostylus axostyle 14, the driving source is at the in-process of driving any one of them fifth axostylus axostyle 20, just can drive whole gear belt 22 transmission, refer to fig. 6, gear belt 22 is with clockwise transmission, in transmission process, a plurality of tooth units mesh in proper order successively and are close to feed mechanism's tape spool gear 25, be close to shearing mechanism's external gear 24, be close to discharge mechanism's tape spool gear 25, the effect at this of tape spool gear 25 is the direction of rotation that changes first axostylus axostyle 31 and second axostylus axostyle 51, the whole process is: 1. the first shaft lever 31 rotates to drive the feeding belt 4 to drive for a certain distance; 2. the third shaft lever 14 rotates to drive the cam gear 15 to rotate, and the shearing action is repeated for a plurality of times; 3. the second shaft 51 rotates to drive the discharging belt 6 for a distance. The plate can be cut in the same width by repeating the steps 1-3, the continuous working procedures of automatic feeding, cutting and discharging are realized on the premise of no intelligent element setting, and the plate shearing machine is particularly suitable for assembly line operation.

More specifically, referring to fig. 7, the gear unit includes a groove 221 formed in an outer surface of the gear belt 22, gear teeth 23 are disposed in the groove 221, nuts 222 with steps are embedded in front and rear sides of the groove 221, a countersunk head screw 232 is connected to each nut 222 through an internal thread, a slot 231 engaged with the countersunk head screw 232 is disposed in front and rear sides of the gear teeth 23, and the countersunk head screw 232 does not protrude out, so that the gear unit is more attractive.

According to the principle, the number of the tooth units determines the feeding and discharging width of the plate, but the shearing operation is not affected, so that the shearing width of the plate can be adjusted by setting the number of the tooth units according to needs, the gear teeth 23 are arranged in the grooves 221, and the countersunk head screw 232 is screwed into the nut 222 and clamped in the clamping groove 231, so that the position of the gear teeth 23 is fixed.

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 considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.