阅读说明：本技术 一种三向冲压机 (Three-dimensional punching machine ) 是由 李考 于 2021-09-04 设计创作，主要内容包括：本发明公开了一种三向冲压机,包括底座,所述底座顶部内部滑动连接有下安装座,所述下安装座顶部可拆卸连接有下模芯,下模芯一侧设有夹紧装置,所述下模芯另一侧设有间歇传送装置；所述夹紧装置包括与下模芯外壁一侧固定连接的定位块,所述定位块内部贯穿并转动连接有调节柱,所述调节柱底端螺纹连接有凸字板。本发明通过转动调节柱和调整螺栓,从而控制垂直方向和水平方向上对板材的夹紧力,使得夹紧装置可以适用于不同厚度和宽度的板材,提高了此冲压机的适用性；通过上模芯下降时带动夹紧装置将板材提前对中夹紧好,然后上模芯再配合下模芯对板材进行冲压步骤,防止冲压力度过大,导致板材发生偏移。(The invention discloses a three-way punching machine which comprises a base, wherein a lower mounting seat is connected inside the top of the base in a sliding manner, the top of the lower mounting seat is detachably connected with a lower die core, one side of the lower die core is provided with a clamping device, and the other side of the lower die core is provided with an intermittent conveying device; clamping device include with lower die core outer wall one side fixed connection's locating piece, the inside regulation post that runs through and the swivelling joint of locating piece, regulation post bottom threaded connection has the lug board. According to the invention, the clamping force on the plate in the vertical direction and the horizontal direction is controlled by rotating the adjusting column and the adjusting bolt, so that the clamping device can be suitable for plates with different thicknesses and widths, and the applicability of the punching machine is improved; the upper die core is driven to drive the clamping device to clamp the plate in advance when descending, and then the upper die core is matched with the lower die core to punch the plate, so that the plate is prevented from deviating due to overlarge punching pressure.)

1. A three-way punching machine, includes base (1), its characterized in that: a lower mounting seat (2) is connected to the inside of the top of the base (1) in a sliding manner, a lower mold core (3) is detachably connected to the top of the lower mounting seat (2), a clamping device (4) is arranged on one side of the lower mold core (3), and an intermittent conveying device (5) is arranged on the other side of the lower mold core (3);

the clamping device (4) comprises a positioning block (6) fixedly connected with one side of the outer wall of the lower mold core (3), the positioning block (6) is internally connected with an adjusting column (7) in a penetrating and rotating mode, the bottom end of the adjusting column (7) is connected with a convex plate (8) in a threaded mode, the bottom of the convex plate (8) is fixedly connected with a sliding column (9), the outer portion of the sliding column (9) is connected with a hollow column (10) in a sliding mode, the bottom of the hollow column (10) is fixedly connected with a pressing plate (11), a first spring (12) is fixedly connected between the pressing plate (11) and the convex plate (8), two ends of the convex plate (8) are both fixedly connected with limiting columns (13), the outer portion of each limiting column (13) is rotatably connected with a limiting block (14), the outer portion of each limiting block (14) is connected with a first rod (15) in a sliding mode, the top end of each limiting block (14) is rotatably connected with an adjusting bolt (16), one end of the adjusting bolt (16), far away from the limiting block (14), penetrates through the first rod (15) and is in threaded connection with the first rod (15), one end of the first rod (15), far away from the adjusting bolt (16), is rotatably connected with the second rod (17), one end of the second rod (17), far away from the first rod (15), is rotatably connected with the L-shaped rod (18), sliding grooves (19) are formed in the L-shaped rod (18) and the raised plate (8), two I-shaped plates (20) are slidably connected in the sliding grooves (19), three second springs (21) are fixedly connected between the two I-shaped plates (20), one side of the outer wall of the I-shaped plate (20), far away from the second rod (17), is fixedly connected with two third springs (22), the two third springs (22) are fixedly connected with the raised plate (8) and the L-shaped rod (18) respectively, one side of the outer wall of the L-shaped rod (18) is fixedly connected with an L-shaped plate (23), the L-shaped plate (23) is fixedly connected with one side of the outer wall of the lower mounting seat (2).

2. A three-way punch press according to claim 1, wherein: the intermittent conveying device (5) comprises a support (24) fixedly connected with a base (1), two ends of the support (24) are slidably connected with first bearing seats (25), first transmission shafts (26) are fixedly connected inside the first bearing seats (25), first rollers (27) are rotatably connected to the middle parts of the first transmission shafts (26), gear grooves (28) are formed in two ends of each first roller (27), positioning discs (29) are penetrated through and fixedly connected with two ends of each first transmission shaft (26), baffle plates (30) are fixedly connected to one sides, close to the gear grooves (28), of the positioning discs (29), positioning plates (31) are fixedly connected to one sides, close to the gear grooves (28), of the positioning discs (29), clamping strips (32) are rotatably connected to one sides, close to the gear grooves (28), of the clamping strips (32) are meshed with the gear grooves (28), fixedly connected with fourth spring (33) between card strip (32) and locating plate (31), first transmission shaft (26) both ends fixedly connected with gear groove (34), gear groove (34) outer wall one side meshing has rack (35), rack (35) top has third pole (36) through bolted connection, support (24) both ends are located primary shaft bearing (25) below sliding connection and have secondary shaft bearing (37), inside fixedly connected with second transmission shaft (38) of secondary shaft bearing (37), second transmission shaft (38) middle part fixedly connected with second gyro wheel (39).

3. A three-way punch press according to claim 2, wherein: the base (1) top fixedly connected with supporting leg (40), supporting leg (40) top fixedly connected with casing (41), casing (41) inside is equipped with mount pad (42), it has ball (43) to go up inside equal roll connection in four sides of mount pad (42) outer wall, ball (43) and casing (41) inner wall roll connection, it has last mold core (44) to go up mount pad (42) bottom demountable connection, third pole (36) and last mold core (44) outer wall one side fixed connection.

4. A three-way punch press according to claim 3, wherein: the novel gear box is characterized in that a third transmission shaft (45) penetrates through the interior of the shell (41) and is connected with the shell in a rotating mode, a cam (46) is fixedly connected to the middle of the third transmission shaft (45), a moving body (47) is connected to the exterior of the cam (46) in a rolling mode, and the bottom of the moving body (47) is fixedly connected with the upper mounting seat (42).

5. A three-way punch press according to claim 4, wherein: base (1) top fixedly connected with motor (48), motor (48) output shaft top fixedly connected with first band pulley (49), casing (41) one end fixedly connected with second band pulley (50) is run through in third transmission shaft (45), first band pulley (49) and second band pulley (50) outer peripheral face roll connection have drive belt (51), a plurality of pneumatic cylinders (52) of mount pad (2) bottom fixedly connected with down.

Technical Field

The invention relates to the technical field of punching machines, in particular to a three-way punching machine.

Background

The stamping process is generally divided into blanking, bending, drawing and forming. The blanking is a process of separating one part of the sheet material from the other part along a certain outline shape by using a blanking die to obtain a finished piece. If the purpose of blanking is to obtain an inner hole of a certain shape and size, such blanking is called punching; if blanking is aimed at obtaining a piece with a certain profile and dimensions, it is called blanking, for example so-called trimming, etc. In addition, the blanking deformation process of the plate can be divided into three stages, namely: the elastic deformation stage of the sheet material when the sheet material is pressed to generate elastic deformation, the plastic deformation stage of the sheet material when the sheet material is continuously pressed and generates shearing plastic deformation at the contact part of the sheet material and the cutting edge of the die, and the separation stage of the sheet material after the stress of the sheet material reaches the strength limit and finally separates.

At present, punch press on the market is when carrying out the equidistance punching press to panel, because the punching press power degree is great, including the repeated punching press many times, panel can take place the skew, thereby the punching press quality that leads to panel remains to promote, and panel is when removing, or remove through the manual work, dangerous and precision are not high, or the additional configuration is from the conveyer of taking the power supply, remove to panel, need cooperate the punching press step of punching machine, comparatively troublesome, and the energy has been wasted, so need urgently to need one kind along with punching press work, can press from both sides the punching machine that tightly and the equidistance removed to panel automatically.

Therefore, it is necessary to develop a three-way press to solve the above problems.

The above information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.

Disclosure of Invention

The invention aims to provide a three-way punching machine, which can solve the defects in the technology by driving a clamping device to clamp a plate and driving an intermittent conveying device to move the plate when the punching machine works.

In order to achieve the above purpose, the invention provides the following technical scheme: a three-way punching machine comprises a base, wherein a lower mounting seat is connected inside the top of the base in a sliding manner, a lower die core is detachably connected to the top of the lower mounting seat, a clamping device is arranged on one side of the lower die core, and an intermittent conveying device is arranged on the other side of the lower die core;

the clamping device comprises a positioning block fixedly connected with one side of the outer wall of the lower die core, an adjusting column is connected inside the positioning block in a penetrating and rotating manner, a convex plate is connected with the bottom end of the adjusting column through threads, a sliding column is fixedly connected with the bottom of the convex plate, a hollow column is connected outside the sliding column in a sliding manner, a pressing plate is fixedly connected with the bottom of the hollow column, a first spring is fixedly connected between the pressing plate and the convex plate, limiting columns are fixedly connected with two ends of the convex plate, limiting blocks are rotatably connected with the outside of the limiting columns, first rods are slidably connected with the outside of the limiting blocks, adjusting bolts are rotatably connected with the top ends of the limiting blocks, one ends of the adjusting bolts, far away from the limiting blocks, penetrate through the first rods and are in threaded connection with the first rods, one ends of the first rods, far away from the adjusting bolts, are rotatably connected with second rods, one ends of the second rods, far away from the first rods, are rotatably connected with L-shaped rods, the L-shaped rod and the raised plate are internally provided with chutes, the chutes are connected with the two I-shaped plates in a sliding manner, three second springs are fixedly connected between the two I-shaped plates, two third springs are fixedly connected to one side of the outer wall of the I-shaped plate far away from the second rod, the two third springs are respectively fixedly connected with the raised plate and the L-shaped rod, one side of the outer wall of the L-shaped rod is fixedly connected with an L-shaped plate, and the L-shaped plate is fixedly connected with one side of the outer wall of the lower mounting seat.

Preferably, the intermittent conveying device comprises a bracket fixedly connected with the base, two ends of the bracket are slidably connected with a first bearing seat, a first transmission shaft is fixedly connected inside the first bearing seat, the middle part of the first transmission shaft is rotatably connected with a first roller, two ends of the first roller are both provided with gear grooves, two ends of the first transmission shaft penetrate through and are fixedly connected with a positioning disc, one side of the positioning disc close to the gear grooves is fixedly connected with a baffle plate, one side of the positioning disc close to the gear grooves is fixedly connected with a positioning plate, one side of the positioning disc close to the gear grooves is rotatably connected with a clamping strip, the clamping strip is meshed with the gear grooves, a fourth spring is fixedly connected between the clamping strip and the positioning plate, two ends of the first transmission shaft are fixedly connected with gears, one side of the outer wall of each gear is meshed with a rack, and the top end of the rack is connected with a third rod through bolts, the two ends of the support are located below the first bearing block and are connected with a second bearing block in a sliding mode, a second transmission shaft is fixedly connected inside the second bearing block, and a second roller is fixedly connected in the middle of the second transmission shaft.

Preferably, the top of the base is fixedly connected with supporting legs, the top of the supporting legs is fixedly connected with a shell, an upper mounting seat is arranged inside the shell, balls are connected inside four sides of the outer wall of the upper mounting seat in a rolling mode and are in rolling connection with the inner wall of the shell, an upper mold core is detachably connected to the bottom of the upper mounting seat, and a third rod is fixedly connected to one side of the outer wall of the upper mold core.

Preferably, the inside of the shell penetrates through and is rotatably connected with a third transmission shaft, a cam is fixedly connected to the middle of the third transmission shaft, a moving body is connected to the outside of the cam in a rolling mode, and the bottom of the moving body is fixedly connected with the upper mounting seat.

Preferably, the base top fixedly connected with motor, motor output shaft top fixedly connected with first band pulley, the third transmission shaft runs through casing one end fixedly connected with second band pulley, first band pulley and second band pulley outer peripheral face roll connection have the drive belt, a plurality of pneumatic cylinders of lower mount pad bottom fixedly connected with.

In the technical scheme, the invention provides the following technical effects and advantages:

1. the clamping force on the plate in the vertical direction and the horizontal direction is controlled by rotating the adjusting columns and the adjusting bolts, so that the clamping device can be suitable for plates with different thicknesses and widths, and the applicability of the punching machine is improved;

2. the upper die core is driven to drive the clamping device to clamp the plate in advance when descending, and then the upper die core is matched with the lower die core to perform a stamping step on the plate, so that the plate is prevented from being deviated due to overlarge stamping pressure, the problem that the stamping quality of the plate is not high is solved, and the quality of a product is improved;

3. the upper die core does not drive the first roller to rotate when descending, the intermittent conveying device is started when the upper die core ascends, the first roller rotates and is matched with the second roller to drive the plate to move, manual operation is not needed, safety is improved, meanwhile, the moving distance of the plate is equidistant, and the stamping precision of the plate is high;

4. through clamping device and intermittent type conveyer, utilize the mold core to provide power in the punching press, carry out centering clamping and equidistance to panel automatically and remove, need not to provide extra power, saved the energy.

Drawings

For a clearer explanation of the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

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

FIG. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is a perspective view of the clamping device of the present invention;

FIG. 4 is a front view of the clamping assembly of the present invention;

FIG. 5 is a perspective view of an intermittent conveyor of the present invention;

FIG. 6 is a partial cross-sectional view of an intermittent delivery device of the present invention;

FIG. 7 is a schematic view of the connection between the rack and the gear groove of the present invention.

Description of reference numerals:

1 base, 2 lower mounting seats, 3 lower mold cores, 4 clamping devices, 5 intermittent conveying devices, 6 positioning blocks, 7 adjusting columns, 8 convex plates, 9 sliding columns, 10 hollow columns, 11 pressing plates, 12 first springs, 13 limiting columns, 14 limiting blocks, 15 first rods, 16 adjusting bolts, 17 second rods, 18L-shaped rods, 19 sliding grooves, 20I-shaped plates, 21 second springs, 22 third springs, 23L-shaped plates, 24 supports, 25 first bearing seats, 26 first transmission shafts, 27 first rollers, 28 gear grooves, 29 positioning disks, 30 baffles, 31 positioning plates, 32 clamping strips, 33 fourth springs, 34 gears, 35 racks, 36 third rods, 37 second bearing seats, 38 second transmission shafts, 39 second rollers, 40 supporting legs, 41 shells, 42 upper mounting seats, 43 balls, 44 upper mold cores, 45 third transmission shafts, 46 cams, 47 moving bodies, 48 motors, 49 first belt wheels, 50 second pulleys, 51 drive belt, 52 hydraulic cylinder.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

The invention provides a three-way punching machine as shown in figures 1-7, which comprises a base 1, wherein a lower mounting seat 2 is connected inside the top of the base 1 in a sliding manner, the top of the lower mounting seat 2 is detachably connected with a lower mold core 3, one side of the lower mold core 3 is provided with a clamping device 4, the other side of the lower mold core 3 is provided with an intermittent conveying device 5, a plate is centered and clamped through the clamping device 4, the problem that the plate is deviated during punching to cause a large precision error is solved, the punched plate is driven to move equidistantly by the intermittent conveying device 5 when an upper mold core 44 is lifted up, manual movement is not needed, and the personal safety of operators is ensured;

the clamping device 4 comprises a positioning block 6 fixedly connected with one side of the outer wall of the lower mold core 3, an adjusting column 7 penetrates through and is rotatably connected with the inside of the positioning block 6, a convex character plate 8 is in threaded connection with the bottom end of the adjusting column 7, a sliding column 9 is fixedly connected with the bottom of the convex character plate 8, a hollow column 10 is slidably connected with the outside of the sliding column 9, a pressing plate 11 is fixedly connected with the bottom of the hollow column 10, a first spring 12 is fixedly connected between the pressing plate 11 and the convex character plate 8, limiting columns 13 are fixedly connected with two ends of the convex character plate 8, a limiting block 14 is rotatably connected with the outside of the limiting column 13, a first rod 15 is slidably connected with the outside of the limiting block 14, an adjusting bolt 16 is rotatably connected with the top end of the limiting block 14, one end, far away from the limiting block 14, of the adjusting bolt 16 penetrates through the first rod 15 and is in threaded connection with the first rod 15, one end, far away from the adjusting bolt 16, of the first rod 15 is rotatably connected with a second rod 17, the end, far away from the first rod 15, of the second rod 17 is rotatably connected with an L-shaped rod 18, sliding grooves 19 are formed in the L-shaped rod 18 and the raised plate 8, two I-shaped plates 20 are slidably connected in the sliding grooves 19, three second springs 21 are fixedly connected between the two I-shaped plates 20, two third springs 22 are fixedly connected to one side of the outer wall of the I-shaped plate 20 far away from the second rod 17, the two third springs 22 are fixedly connected with the raised plate 8 and the L-shaped rod 18 respectively, an L-shaped plate 23 is fixedly connected to one side of the outer wall of the L-shaped rod 18, the L-shaped plate 23 is fixedly connected to one side of the outer wall of the lower mounting seat 2, the adjusting column 7 is rotated to drive the raised plate 8 to ascend or descend through threaded connection, so that the clamping force of the pressing plate 11 on the vertical direction of the plate is controlled, and the adjusting bolt 16 is rotated to drive the first rod 15 to slide, thereby controlling the included angle between the first rod 15 and the second rod 17, and controlling the distance length that the I-shaped plate 20 is driven by the first rod 15 when the convex plate 8 descends, thereby controlling the clamping force on the plate in the horizontal direction, when the convex plate 8 descends, the convex plate 8 drives the sliding column 9 to slide towards the hollow column 10 and simultaneously drives the first spring 12 to compress, the first spring 12 presses the plate on the L-shaped plate 23, meanwhile, the first rod 15 is driven by the convex plate 8 to descend, the included angle between the first rod 15 and the second rod 17 is reduced, the I-shaped plate 20 is pushed by the first rod 15 and the second rod 17 to move along the sliding groove 19, the second spring 21 and the third spring 22 are driven by the I-shaped plate 20 to be compressed, the I-shaped plate 20 performs centering and clamping on the plate in the horizontal direction, so that when stamping is prevented, due to overlarge stamping force and vibration, the plate is deviated, and the processing precision and quality are improved.

Further, in the above technical solution, the intermittent conveyor 5 includes a support 24 fixedly connected to the base 1, two ends of the support 24 are slidably connected to a first bearing seat 25, a first transmission shaft 26 is fixedly connected to the inside of the first bearing seat 25, a first roller 27 is rotatably connected to the middle of the first transmission shaft 26, two ends of the first roller 27 are both provided with a gear groove 28, two ends of the first transmission shaft 26 penetrate and are fixedly connected to a positioning disc 29, one side of the positioning disc 29 close to the gear groove 28 is fixedly connected to a baffle 30, one side of the positioning disc 29 close to the gear groove 28 is fixedly connected to a positioning plate 31, one side of the positioning disc 29 close to the gear groove 28 is rotatably connected to a clamping strip 32, the clamping strip 32 is engaged with the gear groove 28, a fourth spring 33 is fixedly connected between the clamping strip 32 and the positioning plate 31, two ends of the first transmission shaft 26 are fixedly connected to a gear groove 34, a rack 35 is engaged on one side of the outer wall of the gear groove 34, the top end of the rack 35 is connected with a third rod 36 through a bolt, two ends of the bracket 24 are positioned below the first bearing seat 25 and are slidably connected with a second bearing seat 37, a second transmission shaft 38 is fixedly connected inside the second bearing seat 37, a second roller 39 is fixedly connected in the middle of the second transmission shaft 38, the third rod 36 is driven to descend through an upper mold core 44, the third rod 36 drives the rack 35, the rack 35 drives the gear groove 34 to rotate, the gear groove 34 drives the positioning disc 29 to rotate, the positioning disc 29 drives the clamping strip 32 to rotate, the clamping strip 32 rotates and collides with the gear groove 28, the fourth spring 33 is driven to compress, at the moment, the first roller 27 cannot rotate, when the positioning disc 29 does not rotate any more, the fourth spring 33 drives the clamping strip 32 to reset, when the upper mold core 44 rises, the clamping strip 32 is engaged with the gear grooves 28 at two ends of the first roller 27, thereby first transmission shaft 26 drives first gyro wheel 27 and takes place to rotate, and first gyro wheel 27 cooperation second gyro wheel 39 drives panel and takes place to remove, provides power when utilizing last mould core 44 to carry out the punching press to panel to drive panel and carry out the equidistance and remove, need not the manual work and remove restart punching machine behind the panel, both improved efficiency, improved the security again.

Further, in the above technical solution, the top of the base 1 is fixedly connected with the supporting leg 40, the top of the supporting leg 40 is fixedly connected with the casing 41, the casing 41 is internally provided with the upper mounting seat 42, the balls 43 are all connected with the four sides of the outer wall of the upper mounting seat 42 in a rolling manner, the balls 43 are connected with the inner wall of the casing 41 in a rolling manner, the bottom of the upper mounting seat 42 is detachably connected with the upper mold core 44, the third rod 36 is fixedly connected with one side of the outer wall of the upper mold core 44, and is connected with the inner wall of the casing 41 in a rolling manner through the balls 43 on the four sides of the upper mounting seat 42, so that the upper mounting seat 42 drives the upper mold core 44 to not generate large noise when punching, meanwhile, friction with the inner wall of the casing 41 is reduced by using the rolling connection, and the service life is prolonged.

Further, in the above technical solution, a third transmission shaft 45 penetrates through and is rotatably connected to the inside of the housing 41, a cam 46 is fixedly connected to the middle of the third transmission shaft 45, a moving body 47 is connected to the outside of the cam 46 in a rolling manner, the bottom of the moving body 47 is fixedly connected to the upper mounting seat 42, and the moving body 47 can be driven to reciprocate up and down when the cam 46 is driven to rotate by the third transmission shaft 45, so that the punching machine can punch a pressing plate at equal intervals.

Further, in the above technical scheme, base 1 top fixedly connected with motor 48, motor 48 output shaft top fixedly connected with first band pulley 49, third transmission shaft 45 runs through casing 41 one end fixedly connected with second band pulley 50, first band pulley 49 and second band pulley 50 outer peripheral face roll connection have drive belt 51, a plurality of pneumatic cylinders 52 of fixedly connected with in lower mount pad 2 bottom provide power through motor 48, and motor 48 drives first band pulley 49 and rotates, and first band pulley 49 drives second band pulley 50 through drive belt 51 and rotates, and second band pulley 50 drives third transmission shaft 45 and takes place to rotate, can adjust down the height of mount pad 2 through pneumatic cylinder 52 to make the interval between lower mold core 3 and the last mold core 44 grow.

The implementation mode is specifically as follows: the preparation method comprises the following steps: firstly, the adjusting column 7 is rotated according to the thickness of the plate, the distance between the convex plate 8 and the L-shaped plate 23 is controlled, so that the clamping force in the vertical direction is controlled, then the adjusting bolt 16 is rotated according to the width of the plate, the included angle between the first rod 15 and the second rod 17 is controlled, so that the clamping force of the I-shaped plate 20 to the plate in the horizontal direction is controlled, and therefore the punching machine can adapt to plates with different widths and thicknesses and perform centering clamping on the plates;

the working steps are as follows: placing the plates between an upper mold core 44 and a lower mold core 3, between a first roller 27 and a second roller 39 and between a convex plate 8 and an L-shaped plate 23, then starting a motor 48, wherein the motor 48 provides power to drive the upper mold core 44 to descend, the upper mold core 44 drives a clamping device 4 to well clamp the plates in a centering manner, at the moment, an intermittent conveying device 5 is not started, then the upper mold core 44 cooperates with the lower mold core 3 to punch the plates, then the upper mold core 44 ascends, the upper mold core 44 drives the clamping device 4 and the intermittent conveying device 5, the clamping device 4 does not clamp the plates any more, the intermittent conveying device 5 moves the plates at equal intervals, and the automatic feeding of the plates is completed;

the technical effects and advantages are as follows: the clamping force on the plate in the vertical direction and the horizontal direction is controlled by rotating the adjusting columns 7 and the adjusting bolts 16, so that the clamping device 4 can be suitable for plates with different thicknesses and widths, and the applicability of the punching machine is improved;

the upper die core 44 is driven to drive the clamping device 4 to well center and clamp the plate in advance when descending, and then the upper die core 44 is matched with the lower die core 3 to perform a stamping step on the plate, so that the plate is prevented from being deviated due to overlarge stamping pressure, the problem that the stamping quality of the plate is not high is solved, and the quality of a product is improved;

the first idler wheel 27 cannot be driven to rotate when the upper mold core 44 descends, the intermittent conveying device 5 is started when the upper mold core 44 ascends, the first idler wheel 27 rotates and is matched with the second idler wheel 39 to drive the plate to move, manual operation is not needed, safety is improved, meanwhile, the moving distance of the plate is equidistant, and the stamping precision of the plate is high;

the clamping device 4 and the intermittent conveying device 5 utilize the upper die core 44 to provide power during punching, automatically perform centering clamping and equidistant movement on the plate without providing additional power, save energy, this embodiment solves in particular the problem that when the stamping machine of the prior art performs equidistant stamping of the sheet material, due to the fact that the stamping strength is high, and due to repeated stamping, the plate can deviate, so that the stamping quality of the plate needs to be improved, and when the plate is moved, the plate is moved manually, so that the plate is dangerous and has low precision, or a conveying device with a power source is additionally arranged, the moving of the plate needs to be matched with the stamping step of the stamping machine, which is troublesome and wastes energy, therefore, there is a need for a press machine which can automatically clamp and equidistantly move a sheet material in accordance with a press work.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.