CN111715785A - Full-automatic production line for stamping and shearing metal plates and use method - Google Patents

Abstract

A full-automatic production line for punching and shearing metal plates and a using method thereof relate to a full-automatic production line for punching and shearing metal plates, and the full-automatic production line comprises a material placing frame, a leveling machine, a punch press and a skip car, wherein the material placing frame is arranged on one side of the leveling machine, the punch press is arranged on the other side of the leveling machine, corresponding guardrails are arranged on two sides between the punch press and the leveling machine, the skip car is arranged outside the discharge end of the punch press, the punch press comprises a machine body, a machine frame on the upper part of the machine body and on two sides, a gantry material pulling device, a workbench, a striking device and a plate shearing device, the striking device is fixed on the machine frame on the upper part of the machine body, and the plate shearing device is arranged on the inner side of the outer end part of the machine; the invention realizes automatic processing, effectively improves the production efficiency, reduces the cost and the manpower, has good consistency of the processed metal plate and effectively improves the yield.

Description

Full-automatic production line for stamping and shearing metal plates and use method

Technical Field

The invention relates to a full-automatic production line for stamping and shearing of a metal plate, in particular to a full-automatic production line for stamping and shearing of a metal plate and a using method.

Background

As is known, the punching and shearing of metal plates at present are not fully automatic, and feeding equipment, a punch press and a plate shearing machine cannot be effectively used in a matched manner, so that the working procedures are dispersed, a large amount of manual resources are occupied, the occupied area is large, and the production efficiency is low; the existing plate punching and shearing mode needs a plurality of common punching machines, a plurality of sets of dies are frequently replaced by the punching machines, and a plurality of persons are needed to complete the punching and shearing in a matching way, so that the working procedures are dispersed, and the plate shearing precision is poor; the stamping device in the prior art is easy to incline in the stamping process, influences the stress of a lower stamping die, causes unstable stamping force, causes the deflection of a stamping hole and increases the rejection rate; therefore, a full-automatic metal plate stamping and shearing production line which is fully automatic in operation, reduces equipment investment cost and reduces manpower and land area is provided, and becomes a basic appeal for technical personnel in the field.

Disclosure of Invention

In order to overcome the defects in the background art, the invention discloses a full-automatic production line for stamping and shearing a metal plate and a using method thereof.

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

a full-automatic production line for stamping and shearing metal plates comprises a material placing frame, a leveling machine, a punching machine and a skip car, wherein the material placing frame is arranged on one side of the leveling machine, the punching machine is arranged on the other side of the leveling machine, corresponding guardrails are arranged on two sides between the punching machine and the leveling machine, the skip car is arranged outside the discharge end of the punching machine, the punching machine comprises a machine body, a machine frame on the upper portion of the machine body and on the two sides, a gantry material pulling device, a workbench, a striking device and a plate shearing device, the workbench is arranged on the upper portion of the gantry material pulling device and on one side close to the guardrails, the striking device is correspondingly arranged on the upper portion of the workbench, the striking device is fixed on the machine frame on the;

the striking device comprises a servo motor B, a speed reducer A, a striking bottom plate, striking swing plates, an eccentric wheel A, a main shaft, an upper connecting plate assembly, a lower connecting plate assembly and a striking top plate, wherein the striking top plate is fixed on the frame through side plates at two side edges, the striking bottom plate is arranged at the lower part of the striking top plate, and the striking swing plates hinged through the upper connecting plate assembly and the lower connecting plate assembly are arranged between the striking top plate and the striking bottom plate;

the striking top plate is of a frame structure, a striking swing plate is arranged at the lower part of the striking top plate and comprises two side plates which are integrally arranged, a connecting plate between the two side plates and an L-shaped plate, the upper parts of the two side plates of the striking swing plate are respectively hinged with the front panel and the rear panel of the striking top plate through upper connecting plate components, and the lower parts of the two side plates of the striking swing plate are respectively hinged with the front panel and the rear panel of the striking bottom plate through lower connecting plate components;

the upper connecting plate assembly and the lower connecting plate assembly respectively comprise two connecting pieces and two pin shafts arranged between the two connecting pieces at intervals;

two L-shaped plates which are arranged at intervals are fixed on the connecting plate, a bearing seat is fixed at the upper part between the two L-shaped plates, a shaft in the bearing seat is connected with an eccentric wheel A through a connecting plate A, a connecting hole is arranged in the eccentric wheel A, one end of a main shaft is arranged in the connecting hole, the other end of the main shaft is connected with a synchronous belt pulley arranged outside the striking top plate, and guide plates are arranged in the middle parts of the upper parts of the two sides of the striking bottom plate;

the speed reducer A fixed on the rack is arranged on one side of the striking top plate at intervals, the input end of the speed reducer A is connected with the servo motor B, the output end of the speed reducer A is connected with the synchronous belt wheels, and the two synchronous belt wheels are connected through the synchronous belt.

The full-automatic production line for stamping and shearing the metal plates is characterized in that a large through hole and a small through hole are formed in the connecting plate at intervals, bearings are arranged in the through holes, a shaft in the bearing seat penetrates through the bearing in the small through hole to be connected with one side of the connecting plate, and the eccentric wheel A is installed in the large through hole in the connecting plate through the bearing.

The full-automatic production line for stamping and shearing metal plates comprises a workbench base, long partition plates, transverse partition plates, a screw rod A and a servo motor A, wherein the outer frame of the workbench base is a square frame, the two long partition plates are arranged in the square frame at intervals along the length direction, the transverse partition plates are fixed in the middle between every two adjacent long partition plates and the middle between the two long partition plates and the outer frame of the square frame, the long partition plates and the transverse partition plates divide the interior of the square frame into six cavities, the screw rod A and the servo motor A are arranged in each cavity, screw rod sliding blocks fixed with slide plates are respectively arranged on the screw rod A, the servo motor A is respectively fixed on one side of the outer end part of the screw rod A, C-shaped protective covers are respectively fixed on the outer parts of the left side and the right side of the square frame, the C-shaped protective covers respectively form cavities with the left side plate and the, an output shaft of a servo motor A and the outer end of a lead screw A respectively penetrate through side plates of a square frame and are arranged in a cavity, synchronizing wheels are respectively installed at the output shaft of the servo motor A and the outer end parts of the lead screw A, the two synchronizing wheels are connected through a synchronous belt, a frame cover plate is arranged on the square frame, V-shaped sliding grooves are respectively arranged on one side of the upper surface of the frame cover plate and the edges of the two sides of the upper surface of the square frame along the length direction, V-shaped sliding rails matched with the V-shaped sliding grooves are respectively arranged on one side of the lower part of a sliding plate along the length direction, and a die;

the die sets are arranged into three groups, each group is correspondingly provided with two die sets, namely a round-station die set, a square-station die set A and a square-station die set B, wherein the square-station die set A and the square-station die set B are self-made die sets;

a plurality of crank handles are arranged on the front panel and the rear panel of the square frame and are respectively fixedly connected with the screw A.

The full-automatic production line for stamping and shearing the metal plates comprises a plate shearing device, wherein the plate shearing device comprises an upper tool apron, a lower tool apron and an eccentric mechanism, the lower tool apron is fixed on a lathe bed, a lower tool is fixed on the lower tool apron, the upper part of the lower tool apron is provided with the upper tool apron, two sides of the upper tool apron are respectively provided with a guide rail, the guide rails are respectively provided with a sliding seat, the sliding seats are respectively fixed on two side frames of a frame through screws, the upper part of the upper tool apron is connected with the eccentric mechanism, the lower part of the upper tool apron is provided with an upper tool, and the;

the eccentric mechanism comprises a transmission shaft, a connecting plate B, bearing seats, a motor and a speed reducer B, the motor and the speed reducer B are connected and fixed on the rack, the bearing seats are arranged at two ends of the transmission shaft, bearings are arranged in the bearing seats, one end of the transmission shaft is fixedly connected with the output end of the speed reducer B through the bearing seats and the bearings inside the transmission shaft, the bearing seat at the other end of the transmission shaft is fixed on the rack, eccentric wheels B are arranged outside two sides of the transmission shaft, the connecting plate B is arranged outside the eccentric wheels B, and the lower portion of the connecting plate B is connected with two sides of the upper portion of;

the rear portion of the upper tool apron is provided with a material pressing plate connected through a spring, the upper end of the spring is fixed to the upper end of the rear portion of the upper tool apron through a pressing plate, the lower end of the spring is connected to two sides of the upper end of the material pressing plate respectively, and the bottom surface of the material pressing plate is lower than that of the upper tool.

The full-automatic production line for stamping and shearing sheet metal comprises a gantry material pulling device, a feeding sliding table, a gantry frame, a brush plate and a clamp mechanism, two transverse guide rails are fixed on two sides of the base along the length direction, a screw rod driven by a motor is arranged in a recess on the base, the bottom of the feeding sliding table is fixed with a screw rod nut on the screw rod, two sides of the bottom of the feeding sliding table are respectively arranged on the two transverse guide rails in a sliding manner, a portal frame is fixed on the upper part of the feeding sliding table, a clamp mechanism is fixed below an upper cross beam of the portal frame, aluminum profiles are respectively fixed on the two edges of the lower surface of the brush plate along the length direction and are arranged on the upper part of the base, and the aluminum profile and the brush plate are not contacted with the feeding sliding table and the portal frame, one end of the aluminum profile is respectively fixed on the front wall plate and the rear wall plate of the punch frame, and the other end of the aluminum profile is respectively fixed on the side surface of the base of the workbench after penetrating through the space between the upper cross beam and the lower cross beam of the portal frame.

The full-automatic production line for stamping and shearing the metal plates is characterized in that a material placing frame, a leveling machine, a punching machine and a skip car are arranged on the same horizontal line.

In the full-automatic production line for stamping and shearing the metal plates, the material placing frame, the leveling machine and the punch press are respectively connected with the electric control cabinet through signals or lines.

The full-automatic production line for punching and shearing the metal plates is characterized in that a die selecting mechanism is arranged on the front wall plate and the rear wall plate of a punch press and positioned at the lower part of a striking bottom plate and comprises a linear rail, a lead screw B, a sliding plate, a striking strip and a linear rail, two parallel linear rails are arranged on the outer wall of the punch press at intervals up and down along the length direction, the two linear rails are provided with the sliding plates connected through sliding blocks, the lead screw B is arranged in a transverse through hole of each sliding plate in a penetrating manner, one end of each lead screw B is fixed on a rack on one side of the punch press, the other end of each lead screw B is fixedly connected with a servo;

the rear part of the sliding plate is provided with a vertical linear rail, the striking strip slides up and down at the rear part of the sliding plate through the sliding block, the extension plate on one side of the upper end of the striking strip is provided with a row of needle roller bearings, the needle roller bearings are hung on the edge face of the lower part of the striking bottom plate, and the striking strip is arranged at the lower part of the striking bottom plate.

The use method of the full-automatic production line for stamping and shearing the metal plates comprises a material placing frame, a leveling machine, a punching machine and a skip car, and comprises the following specific operation steps:

(1) during processing, discharging by a discharging frame, feeding a metal plate into a leveling machine for leveling, feeding the metal plate into a punch press after the metal plate comes out of the leveling machine, sequentially passing through a material supporting roller at one side of the punch press and three corresponding die sets on a base of a workbench, moving the metal plate towards a gantry material pulling device, and clamping the metal plate by a clamping mechanism below a gantry frame of the gantry material pulling device;

(2) respectively driving a screw rod A to drive a slide carriage to realize reciprocating motion on a base of the workbench by a servo motor A, so that two sides of a metal plate are positioned between an upper die base and a lower die base of the three die sets;

(3) in the last step, the servo motor C drives the screw rod B to move, so that the sliding plate moves left and right on the screw rod B and stays at the upper part of the die set to be struck, and the striking bar is positioned above the die to be struck; then a servo motor B is connected with a speed reducer A, a main shaft of an eccentric wheel mechanism and an eccentric wheel A are driven, a connecting plate A is driven to drive a striking swing plate to move, the connecting plate A, a striking top plate and a striking bottom plate form a four-bar mechanism, the striking swing plate pushes the striking bottom plate to vertically reciprocate through the connecting plate A, the striking bottom plate drives a striking bar to move downwards, the striking bar strikes an upper die of a die, the upper die moves downwards to punch a metal plate, punching waste materials fall through a material leakage hole of a lower die holder, the upper die returns to the original position, and then the plate is punched at the next point position;

(4) in the last step, a motor at the bottom of the feeding sliding table drives a screw rod to drive the feeding sliding table to move on the base, and the punched metal plate moves along with the feeding sliding table and enters a plate shearing mechanism at the end part of the other side of the punch press;

(5) when the plate is conveyed to the plate shearing device, the motor drives the speed reducer B to drive the transmission shaft to rotate, the eccentric wheels B on two sides of the transmission shaft drive the connecting plate B to drive the upper cutter holder to move downwards, the pressure plate firstly contacts the metal plate, the spring compresses the metal plate, the upper cutter contacts the metal plate and begins to shear until the stroke is finished, the upper cutter holder returns, and the spring resets to finish a shearing process; and the sheared sheet falls into a skip car, and the stroke of punching and shearing the metal sheet once is finished.

Due to the adoption of the technical scheme, the invention has the following beneficial effects:

1. according to the full-automatic production line for stamping and shearing the metal plate, the plurality of circular station die frames and the plurality of square station die frames are arranged, so that the blanking process of various models can be completed on one punching machine, the labor intensity of workers is reduced, and the production efficiency is improved. Set up the plate shearing device, the pressure flitch compresses tightly panel earlier, and the upper slitter is sheared panel again, and the both sides of upper knife seat are equipped with the guide rail, the skew condition appears when effectively having avoided cuting, and the sheet metal size of cuting is accurate, and the atress is even, has improved shearing quality and production efficiency greatly. The striking device drives the eccentric wheel and the main shaft to drive the striking swing plate to move through the synchronous belt, so that the downward striking force of the striking bottom plate is driven, the stamping force is stable, the striking effect is good, the condition that the table top is blocked is avoided, and the production efficiency is effectively improved.

2. According to the full-automatic production line for stamping and shearing metal plates, the metal plates enter the punch through discharging and leveling, are clamped by the clamp, are struck through the striking device and the die carrier, and are sent to the plate shearing device through the gantry material pulling device, so that automatic machining is realized, the production efficiency is effectively improved, the cost is reduced, the labor is reduced, the consistency of the machined metal plates is good, and the yield is effectively improved.

Drawings

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

FIG. 2 is a schematic structural diagram of the gantry material pulling device of the present invention;

FIG. 3 is a schematic view of the structure of the inventive work bench;

FIG. 4 is a bottom view of the table of the present invention;

FIG. 5 is a schematic view of the striking device of the present invention;

FIG. 6 is a connecting structure diagram of the striking swing plate and the striking base plate according to the present invention;

FIG. 7 is a rear view of the plate shearing device of the present invention;

FIG. 8 is a schematic view of the construction of the plate shearing apparatus of the present invention;

FIG. 9 is a schematic structural view of the mold selection mechanism of the present invention;

FIG. 10 is a schematic view of the connection structure of the mold selection mechanism and the striking plate according to the present invention;

in the figure: 1. a material placing frame; 2. a leveler; 3. an electric control cabinet; 4. a work table; 5. a striking device; 6. punching; 7. a skip car; 8. a guardrail; 9. a plate shearing device; 10. a gantry material pulling device; 11. a base; 12. a clamp mechanism; 13. a gantry; 14. a brush plate; 15. a feeding sliding table; 16. a circular station die carrier; 17. a square station die carrier A; 18. a square station die frame B; 19. a slide carriage; 20. a table base; 21. a crank; 22. a cavity; 23. a "C" shaped shield; 24. a long partition plate; 25. a transverse partition; 26. a synchronous belt; 27. a lead screw A; 28. a lead screw slider; 29. a servo motor A; 30. a servo motor B; 31. a speed reducer A; 32. an eccentric wheel A; 33. striking the top plate; 34. a lower tie plate assembly; 35. striking a swing plate; 36. a main shaft; 37. a synchronous pulley; 38. striking the bottom plate; 39. a synchronous belt; 40. a side plate; 41. connecting a plate A; 42. a guide plate; 43. an upper tie plate assembly; 44. a connecting plate; 45. feeding a cutter; 46. a material pressing plate; 47. a lower tool apron; 48. a motor; 49. a speed reducer B; 50. a bearing; 51. an upper tool apron; 52. cutting; 53. a guide rail; 54. a bearing seat; 55. a drive shaft; 56. a connecting plate B; 57. an eccentric wheel B; 58. a mould selecting mechanism; 59. a servo motor C; 60. a motor base; 61. a slide plate; 62. a striking bar; 63. a wire track; 64. a lead screw B; 65. A needle bearing; 66. a vertical linear rail; 67. an L-shaped plate.

Detailed Description

The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.

The full-automatic production line for punching and shearing metal plates, which is described by combining the attached drawings 1-10, comprises a material placing frame 1, a leveling machine 2, a punching machine 6 and a skip 7, wherein the material placing frame 1 is arranged on one side of the leveling machine 2, the punching machine 6 is arranged on the other side of the leveling machine 2, corresponding guardrails 8 are arranged on two sides between the punching machine 6 and the leveling machine 2, the skip 7 is arranged outside the discharge end of the punching machine 6, the punching machine 6 comprises a machine body, a machine frame on the upper part of the machine body and on two sides, a gantry material pulling device 10, a workbench 4, a striking device 5 and a plate shearing device 9, the workbench 4 is correspondingly arranged on the upper part of the gantry material pulling device 10 and on one side close to the guardrails 8, the striking device 5 is fixed on the machine frame on the upper part of the machine body, and the plate shearing;

the striking device 5 comprises a servo motor B30, a speed reducer A31, a striking bottom plate 38, a striking swing plate 35, an eccentric wheel A32, a main shaft 36, an upper connecting plate assembly 43, a lower connecting plate assembly 34 and a striking top plate 33, wherein the striking top plate 33 is fixed on the frame through side plates 40 at two side edges, the striking bottom plate 38 is arranged at the lower part of the striking top plate 33, and the striking swing plate 35 hinged through the upper connecting plate assembly 43 and the lower connecting plate assembly 34 is arranged between the striking top plate 33 and the striking bottom plate 38;

the striking top plate 33 is of a frame structure, a striking swing plate 35 is arranged at the lower part of the striking top plate, the striking swing plate 35 comprises two side plates which are integrally arranged, a connecting plate 44 and an L-shaped plate 67 between the two side plates, the upper parts of the two side plates of the striking swing plate 35 are respectively hinged with the front panel and the rear panel of the striking top plate 33 through an upper connecting plate assembly 43, and the lower parts of the two side plates of the striking swing plate 35 are respectively hinged with the front panel and the rear panel of the striking bottom plate 38 through a lower connecting plate assembly 34;

the upper connecting plate assembly 43 and the lower connecting plate assembly 34 both comprise two connecting plates and two pin shafts arranged between the two connecting plates at intervals;

two L-shaped plates 67 which are arranged at intervals are fixed on the connecting plate 44, a bearing seat is fixed at the upper part between the two L-shaped plates 67, a shaft in the bearing seat is connected with an eccentric wheel A32 through a connecting plate A41, a connecting hole is arranged in the eccentric wheel A32, one end of a main shaft 36 is arranged in the connecting hole, the other end of the main shaft is connected with a synchronous belt wheel 37 arranged outside the striking top plate 33, and guide plates 42 are arranged in the middle parts of the upper parts of the two sides of the striking bottom plate 38;

a speed reducer A31 fixed on the frame is arranged on one side of the striking top plate 33 at intervals, the input end of the speed reducer A31 is connected with a servo motor B30, the output end of the speed reducer A31 is connected with a synchronous belt wheel 37, and the two synchronous belt wheels 37 are connected through a synchronous belt 39.

The full-automatic production line for stamping and shearing the metal plates is characterized in that a large through hole and a small through hole are formed in the connecting plate 41 at intervals, bearings are arranged in the through holes, a shaft in the bearing seat penetrates through the bearing in the small through hole to be connected with one side of the connecting plate 41, and the eccentric wheel A32 is installed in the large through hole in the connecting plate 41 through the bearings.

The full-automatic production line for stamping and shearing metal plates comprises a workbench base 20, long partition plates 24, transverse partition plates 25, lead screws A27 and a servo motor A29, wherein the outer frame of the workbench base 20 is a square frame, two long partition plates 24 are arranged in the square frame at intervals along the length direction, the transverse partition plates 25 are fixed in the middle between two adjacent long partition plates 24 and in the middle between the two long partition plates 24 and the outer frame of the square frame, the long partition plates 24 and the transverse partition plates 25 divide the interior of the square frame into six cavities, the lead screws A27 and the servo motor A29 are arranged in each cavity, lead screw sliders 28 fixed with slide plates 19 are respectively arranged on the lead screws A27, the servo motors A29 are respectively fixed on one side of the outer end portions of the lead screws A27, C-shaped shields 23 are respectively fixed on the outer portions of the left side and the right side of the square frame, the C-shaped shields 23 respectively form cavities 22 with the left side plate and the right side plate of the square, an output shaft of a servo motor A29 and the outer end of a lead screw A27 penetrate through side plates of a square frame respectively and are arranged in the cavity 22, synchronizing wheels are mounted at the output shaft of the servo motor A29 and the outer end of the lead screw A27 respectively, the two synchronizing wheels are connected through a synchronizing belt 26, a frame cover plate is arranged on the square frame, V-shaped sliding grooves are formed in the length direction of the edges of one side of the upper surface of the frame cover plate and the two sides of the upper surface of the square frame, V-shaped sliding rails matched with the V-shaped sliding grooves are arranged in the length direction of one side of the lower part of the sliding plate 19, and a die carrier is fixed on;

the die sets are arranged into three groups, each group is correspondingly provided with two die sets, namely a round-station die set 16, a square-station die set A17 and a square-station die set B18, wherein the square-station die set B18 is a self-made die set;

a plurality of cranks 21 are arranged on the front panel and the rear panel of the square frame, and the cranks 21 are fixedly connected with a lead screw A27 respectively.

The full-automatic production line for stamping and shearing sheet metal comprises a plate shearing device 9, wherein the plate shearing device comprises an upper tool apron 51, a lower tool apron 47 and an eccentric mechanism, the lower tool apron 47 is fixed on a lathe bed, a lower tool 52 is fixed on the lower tool apron 47, the upper part of the lower tool apron 47 is provided with the upper tool apron 51, two sides of the upper tool apron 51 are respectively provided with a guide rail 53, the guide rails 53 are respectively provided with a sliding seat, the sliding seats are respectively fixed on two side frames of the machine frame through screws, the upper part of the upper tool apron 51 is connected with the eccentric mechanism, the lower part of the upper tool apron 51 is provided with an upper tool 45, and the upper tool 45;

the eccentric mechanism comprises a transmission shaft 55, a connecting plate B56, a bearing seat 54, a motor 48 and a speed reducer B49, the motor 48 and the speed reducer B49 are connected and fixed on the rack, the bearing seats 54 are arranged at two ends of the transmission shaft 55, a bearing 50 is arranged in each bearing seat 54, one end of the transmission shaft 55 is fixedly connected with the output end of the speed reducer B49 through the bearing seats 54 and the inner bearing, the bearing seat 54 at the other end is fixed on the rack, eccentric wheels B57 are arranged outside two sides of the transmission shaft 55, a connecting plate B56 is arranged outside each eccentric wheel B57, and the lower parts of the connecting plates B56 are connected with two sides of the upper part of the upper knife holder 51 through;

the rear part of the upper tool apron 51 is provided with a material pressing plate 46 connected through a spring, the upper end of the spring is fixed at the upper end of the rear part of the upper tool apron 51 through a pressing plate, the lower end of the spring is respectively connected to two sides of the upper end of the material pressing plate 46, and the bottom surface of the material pressing plate 46 is lower than that of the upper tool 45.

The full-automatic production line for stamping and shearing metal plates is characterized in that the gantry material pulling device 10 comprises a base 11, a feeding sliding table 15, a portal frame 13, a brush plate 14 and a clamp mechanism 12, two transverse guide rails are fixed on two sides of the base 11 along the length direction, a lead screw driven by a motor is arranged in a recess on the base 11, the bottom of the feeding sliding table 15 is fixed with a lead screw nut on the lead screw, two sides of the bottom of the feeding sliding table 15 are respectively arranged on the two transverse guide rails in a sliding manner, the portal frame 13 is fixed on the upper portion of the feeding sliding table 15, the clamp mechanism 12 is fixed under an upper cross beam of the portal frame 13, aluminum profiles are respectively fixed on two sides of the lower portion of the brush plate 14 along the length direction, the aluminum profiles are arranged on the upper portion of the base 11, the aluminum profiles and the brush plate 14 are not in contact with the feeding sliding table 15, the other end of the connecting rod respectively passes through the space between the upper and lower beams of the portal frame 13 and then is fixed on the side surface of the base of the workbench 4.

The full-automatic production line for punching and shearing the metal plates is characterized in that a material placing frame 1, a leveling machine 2, a punching machine 6 and a skip car 7 are arranged on the same horizontal line.

In the full-automatic production line for punching and shearing the metal plates, the material placing frame 1, the leveling machine 2 and the punch 6 are respectively connected with the electric control cabinet 3 through signals or lines.

The full-automatic production line for punching and shearing metal plates is characterized in that a die selecting mechanism is arranged on the front wall plate and the rear wall plate of a punch 6 and positioned at the lower part of a striking bottom plate and comprises a linear rail 63, a lead screw B64, a sliding plate 61, a striking strip 62 and a linear rail 63, two parallel linear rails 63 are arranged on the outer wall of the punch 6 at intervals up and down along the length direction, sliding plates 61 connected through sliding blocks are arranged on the two linear rails 63, a lead screw B64 penetrates through a transverse through hole of the sliding plate 61, one end of a lead screw B64 is fixed on a rack on one side of the punch 6, the other end of the lead screw B64 is fixedly connected with a servo motor C59 through a motor base 60, and the motor;

a vertical linear rail 66 is arranged at the rear part of the sliding plate 61, the striking bar 62 slides up and down at the rear part of the sliding plate 61 through a slide block, a row of needle roller bearings 65 are arranged on an extension plate at one side of the upper end of the striking bar 62,

gaps are arranged between the needle roller bearings 65 and the upper surface of the striking bar 62, the needle roller bearings 65 are hung on the lower edge surface of the striking base plate 38 of the punch press equipment, the lower edge of the striking base plate 38 is arranged in the gaps, and the striking bar 62 is arranged at the lower part of the striking base plate 38.

The use method of the full-automatic production line for stamping and shearing the metal plates comprises a material placing frame 1, a leveling machine 2, a punch press 6 and a skip car 7, and comprises the following specific operation steps:

(1) during processing, the discharging frame 1 discharges materials, metal plates are conveyed into the leveler 2 to be leveled, the metal plates enter the punch 6 after coming out of the leveler 2, sequentially pass through the material supporting rollers on one side of the punch 6 and three groups of corresponding die sets on the workbench base 20, move towards the gantry material pulling device 10, and are clamped by the clamping mechanism 12 below the gantry material pulling device 10 and the gantry frame;

the material supporting rollers are arranged at intervals and are respectively arranged on the rack on one side of the punch press to be close to the position between the rack and the base 20 of the workbench, the material supporting rollers arranged at the position close to the base 20 of the workbench are horizontally arranged, the material supporting rollers on the rack are distributed in an arc shape, one material supporting roller on the inner side of the rack and the horizontally arranged material supporting roller are on the same plane, and an upper material supporting roller is correspondingly arranged on the upper part of one material supporting roller on the inner side of the rack to prevent metal plates from being lifted;

(2) in the next step, the servo motor A29 respectively drives the screw rod A27 to drive the slide carriage 19 to reciprocate on the workbench base 20, so that two sides of the metal plate are positioned between the upper die base and the lower die base of the three die sets;

(3) in the last step, the servo motor C59 drives the lead screw B64 to move, so that the sliding plate 61 moves left and right on the lead screw B64 and stays at the upper part of the die set to be struck, and the striking strip 62 is positioned above the die to be struck; then a servo motor B30 is connected with a speed reducer A31 to drive a main shaft 36 of an eccentric wheel mechanism and an eccentric wheel A32 to drive a connecting plate A41 to drive a striking swing plate 35 to move, the connecting plate A41, a striking top plate 33 and a striking bottom plate 38 form a four-bar linkage, the striking swing plate 35 pushes the striking bottom plate 38 to do vertical reciprocating motion through the connecting plate A41, the striking bottom plate 38 drives a striking strip 62 to move downwards, the striking strip 62 strikes an upper die of a die, the upper die moves downwards to punch metal plates, punching waste falls down through a leakage hole of a lower die holder, the upper die returns to the original position, and then the punching of the next point position is performed on the metal plates;

(4) in the next step, a motor at the bottom of the feeding sliding table 15 drives a screw rod to drive the feeding sliding table 15 to move on the base 11, and the punched metal plate moves along with the screw rod and enters the plate shearing mechanism 9 at the end part of the other side of the punch press;

(5) when the plate is sent to the plate shearing device 9, the motor 48 drives the speed reducer B49 to drive the transmission shaft 55 to rotate, the eccentric wheels B57 on the two sides of the transmission shaft 55 drive the connecting plate B56 to drive the upper knife holder 51 to move downwards,

the pressure plate 46 firstly contacts the metal plate, the spring compresses the metal plate, the upper knife 45 contacts the metal plate and starts to cut until the stroke is finished, the upper knife holder 51 returns, and the spring resets to finish a cutting process; the cut sheet falls into a skip car 7, and the stroke of punching and cutting the metal sheet once is finished.

When the full-automatic production line and the use method for stamping and shearing the metal plate are implemented, the metal plate is discharged through the discharging frame 1 when in use, the plate enters the leveler 2 for leveling, the guardrails 8 are arranged on two sides between the leveler 2 and the punch 6, the safety performance is improved, the plate enters the punch 6 and enters the clamping mechanism 12 of the gantry material pulling device 10, the clamping structure of the full-automatic production line is the prior art, and the full-automatic production line and the use method for stamping and shearing the metal plate have the patent names of the company: the utility model provides a flexible panel beating production line feeder is with clamp that floats, patent number is: 201910558365.9, respectively; the clamp of the clamp mechanism 12 clamps the plate for feeding, so that automatic deviation rectification in the plate feeding process is realized, the clamp mechanism 12 moves upwards to clamp the plate, a motor at the bottom of the feeding sliding table 15 drives a screw rod to drive the feeding sliding table 15 to move on the base 11, the plate moves along with the screw rod, and a brush plate 14 is arranged, and the brush plate 14 has a material supporting effect in the moving process of the plate, so that the plate is prevented from being scratched in the moving process;

the workbench 4 on the punch 6 comprises a workbench base 20 and six stations arranged on the workbench base 20, slide carriages 19 are arranged in V-shaped slide grooves of the workbench base 20 in a sliding manner through V-shaped slide rails at the bottom, each slide carriage 19 drives a screw rod A27 to reciprocate on the workbench base 20 through a servo motor A29 at the lower part, a square station die set 17 is a self-made die of our company, and the work efficiency is effectively improved by arranging multiple station dies;

the upper part of the workbench 4 is provided with a striking device 5 fixed on the upper part of the punch press frame, a servo motor B30 is connected with a speed reducer A31, a main shaft 36 of an eccentric wheel mechanism and an eccentric wheel A32 are driven by a synchronous belt pulley 37 at the output end of a speed reducer A31, a connecting plate A41 is driven to drive a striking swing plate 35 to move, a connecting plate A41, a striking top plate 33 and a striking bottom plate 38 form a four-bar linkage mechanism, and the striking swing plate 35 pushes the striking bottom plate 38 to vertically reciprocate through the connecting plate A41 and is guided by guide plates 42 in the middle parts of the upper surfaces of two sides of the striking bottom plate 38; a mould selecting mechanism 58 is arranged at the lower part of the striking device 5, a servo motor C59 drives a sliding plate 61 to move left and right on a lead screw B64, a striking bar 62 moves up and down along with a striking bottom plate 38, after the striking bar 62 moves above a corresponding mould, the striking bottom plate 38 drives the striking bar 62 to move down, and the striking bar 62 is contacted with the mould to carry out a striking process;

when a plate is conveyed to the plate shearing device 9, the motor 48 drives the speed reducer B49 to drive the transmission shaft 55 to rotate, eccentric wheels B57 are mounted on the outer portions of two sides of the transmission shaft 55, a connecting plate B56 is mounted on the outer portion of the eccentric wheel B57, the structure of the connecting plate B56 is the same as that of the connecting plate A41, connecting shafts connected through bearings are arranged in holes in the lower portion of a connecting plate B56, the connecting shafts are mounted in bearing seats on two sides of the upper end of an upper tool apron 51 and drive the upper tool apron 51 to move downwards, a pressure plate 46 contacts the plate firstly, the plate is compressed by spring compression, the upper tool 45 contacts the plate and begins shearing until the stroke is finished, the upper tool apron 51 returns, and the; the cut plate falls into the skip car 7, and one stroke is finished.

The present invention is not described in detail in the prior art.

The embodiments selected for the purpose of disclosing the invention, are presently considered to be suitable, it being understood, however, that the invention is intended to cover all variations and modifications of the embodiments which fall within the spirit and scope of the invention.

Claims (9)

1. The utility model provides a full automatic production line is cuted in sheet metal punching press, includes blowing frame, levelling machine, punch press and skip, characterized by: the automatic punching machine comprises a leveling machine, a rack, a gantry material pulling device, a workbench, a striking device and a plate shearing device, wherein a material placing rack is arranged on one side of the leveling machine, a punching machine is arranged on the other side of the leveling machine, corresponding guardrails are arranged on two sides between the punching machine and the leveling machine, a skip is arranged outside the discharging end of the punching machine, the punching machine comprises a machine body, a rack on the upper portion of the machine body and on two sides, the gantry material pulling device, the workbench, the striking device and the plate shearing device, the workbench is arranged on the upper portion of the gantry material pulling device and on one side close to the guardrails, the striking device is correspondingly arranged;

the striking device comprises a servo motor B, a speed reducer A, a striking bottom plate, striking swing plates, an eccentric wheel A, a main shaft, an upper connecting plate assembly, a lower connecting plate assembly and a striking top plate, wherein the striking top plate is fixed on the frame through side plates at two side edges, the striking bottom plate is arranged at the lower part of the striking top plate, and the striking swing plates hinged through the upper connecting plate assembly and the lower connecting plate assembly are arranged between the striking top plate and the striking bottom plate;

the striking top plate is of a frame structure, a striking swing plate is arranged at the lower part of the striking top plate and comprises two side plates which are integrally arranged, a connecting plate between the two side plates and an L-shaped plate, the upper parts of the two side plates of the striking swing plate are respectively hinged with the front panel and the rear panel of the striking top plate through upper connecting plate components, and the lower parts of the two side plates of the striking swing plate are respectively hinged with the front panel and the rear panel of the striking bottom plate through lower connecting plate components;

the upper connecting plate assembly and the lower connecting plate assembly respectively comprise two connecting pieces and two pin shafts arranged between the two connecting pieces at intervals;

two L-shaped plates which are arranged at intervals are fixed on the connecting plate, a bearing seat is fixed at the upper part between the two L-shaped plates, a shaft in the bearing seat is connected with an eccentric wheel A through a connecting plate A, a connecting hole is arranged in the eccentric wheel A, one end of a main shaft is arranged in the connecting hole, the other end of the main shaft is connected with a synchronous belt pulley arranged outside the striking top plate, and guide plates are arranged in the middle parts of the upper parts of the two sides of the striking bottom plate;

the speed reducer A fixed on the rack is arranged on one side of the striking top plate at intervals, the input end of the speed reducer A is connected with the servo motor B, the output end of the speed reducer A is connected with the synchronous belt wheels, and the two synchronous belt wheels are connected through the synchronous belt.

2. The full-automatic production line for stamping and shearing sheet metal as claimed in claim 1, which is characterized in that: two through holes are arranged on the connecting plate at intervals, bearings are arranged in the through holes, a shaft in the bearing seat penetrates through the bearing in the small through hole to be connected with one side of the connecting plate, and the eccentric wheel A is arranged in the large through hole in the connecting plate through the bearings.

3. The full-automatic production line for stamping and shearing sheet metal as claimed in claim 1, which is characterized in that: the workbench comprises a workbench base, long partition plates, transverse partition plates, a screw rod A and a servo motor A, wherein an outer frame of the workbench base is a square frame, the two long partition plates are arranged in the square frame at intervals along the length direction, the transverse partition plates are fixed in the middle between every two adjacent long partition plates and in the middle between every two long partition plates and an outer frame of the square frame, the long partition plates and the transverse partition plates divide the interior of the square frame into six cavities, the screw rod A and the servo motor A are arranged in each cavity, screw rod sliding blocks fixed with sliding plates are respectively arranged on the screw rod A, the servo motor A is respectively fixed on one side of the outer end part of the screw rod A, C-shaped shields are respectively fixed on the outer parts of the left side and the right side of the square frame, the C-shaped shields respectively form cavities with the left side plate and the right side plate of the square frame, the output shaft of the servo motor A and, the device is arranged in a cavity, synchronizing wheels are respectively arranged at the output shaft of a servo motor A and the outer end part of a lead screw A, the two synchronizing wheels are connected through a synchronizing belt, a frame cover plate is arranged on a square frame, V-shaped sliding grooves are respectively arranged at the edges of one side of the upper surface of the frame cover plate and the two sides of the upper surface of the square frame along the length direction, V-shaped sliding rails matched with the V-shaped sliding grooves are respectively arranged at one side of the lower part of a slide carriage along the length direction, and a die carrier is fixed at the upper part of the;

the die sets are arranged into three groups, each group is correspondingly provided with two die sets, namely a round-station die set, a square-station die set A and a square-station die set B, wherein the square-station die set A and the square-station die set B are self-made die sets;

a plurality of crank handles are arranged on the front panel and the rear panel of the square frame and are respectively fixedly connected with the screw A.

4. The full-automatic production line for stamping and shearing sheet metal as claimed in claim 1, which is characterized in that: the plate shearing device comprises an upper tool apron, a lower tool apron and an eccentric mechanism, wherein the lower tool apron is fixed on a lathe bed, a lower tool is fixed on the lower tool apron, the upper part of the lower tool apron is provided with the upper tool apron, two sides of the upper tool apron are respectively provided with a guide rail, the guide rails are respectively provided with a sliding seat, the sliding seats are respectively fixed on two side frames of the machine frame through screws, the upper part of the upper tool apron is connected with the eccentric mechanism, the lower part of the upper tool apron is provided with an upper tool, and the upper tool and the lower tool are plate;

the eccentric mechanism comprises a transmission shaft, a connecting plate B, bearing seats, a motor and a speed reducer B, the motor and the speed reducer B are connected and fixed on the rack, the bearing seats are arranged at two ends of the transmission shaft, bearings are arranged in the bearing seats, one end of the transmission shaft is fixedly connected with the output end of the speed reducer B through the bearing seats and the bearings inside the transmission shaft, the bearing seat at the other end of the transmission shaft is fixed on the rack, eccentric wheels B are arranged outside two sides of the transmission shaft, the connecting plate B is arranged outside the eccentric wheels B, and the lower portion of the connecting plate B is connected with two sides of the upper portion of;

the rear portion of the upper tool apron is provided with a material pressing plate connected through a spring, the upper end of the spring is fixed to the upper end of the rear portion of the upper tool apron through a pressing plate, the lower end of the spring is connected to two sides of the upper end of the material pressing plate respectively, and the bottom surface of the material pressing plate is lower than that of the upper tool.

5. The full-automatic production line for stamping and shearing sheet metal as claimed in claim 1, which is characterized in that: the gantry material pulling device comprises a base, a feeding sliding table, a gantry frame, a brush plate and a clamp mechanism, two transverse guide rails are fixed on two sides of the base along the length direction, a screw rod driven by a motor is arranged in a recess on the base, the bottom of the feeding sliding table is fixed with a screw rod nut on the screw rod, two sides of the bottom of the feeding sliding table are respectively arranged on the two transverse guide rails in a sliding manner, a portal frame is fixed on the upper part of the feeding sliding table, a clamp mechanism is fixed below an upper cross beam of the portal frame, aluminum profiles are respectively fixed on the two edges of the lower surface of the brush plate along the length direction and are arranged on the upper part of the base, and the aluminum profile and the brush plate are not contacted with the feeding sliding table and the portal frame, one end of the aluminum profile is respectively fixed on the front wall plate and the rear wall plate of the punch frame, and the other end of the aluminum profile is respectively fixed on the side surface of the base of the workbench after penetrating through the space between the upper cross beam and the lower cross beam of the portal frame.

6. The full-automatic production line for stamping and shearing sheet metal as claimed in claim 1, which is characterized in that: the material placing frame, the leveling machine, the punching machine and the skip car are arranged on the same horizontal line.

7. The full-automatic production line for stamping and shearing sheet metal as claimed in claim 1, which is characterized in that: the material placing frame, the leveling machine and the punch press are respectively connected with the electric control cabinet through signals or circuits.

8. The full-automatic production line for stamping and shearing sheet metal as claimed in claim 1, which is characterized in that: the front wall plate and the rear wall plate of the punch press and the lower part of the striking bottom plate are respectively provided with a die selection mechanism which comprises a linear rail, a lead screw B, a sliding plate, a striking strip and a linear rail, two parallel linear rails are arranged on the outer wall of the punch press at intervals up and down along the length direction, the two linear rails are provided with sliding plates connected through sliding blocks, the lead screw B is arranged in a transverse through hole of the sliding plate in a penetrating way, one end of the lead screw B is fixed on a rack on one side of the punch press, the other end of the lead screw B is fixedly connected with a servo motor C through a motor base, and the;

the rear part of the sliding plate is provided with a vertical linear rail, the striking strip slides up and down at the rear part of the sliding plate through the sliding block, the extension plate on one side of the upper end of the striking strip is provided with a row of needle roller bearings, the needle roller bearings are hung on the edge face of the lower part of the striking bottom plate, and the striking strip is arranged at the lower part of the striking bottom plate.

9. The application method of the full-automatic production line for stamping and shearing the metal plates comprises a material placing frame, a leveling machine, a punching machine and a skip car, and is characterized in that: the specific operation steps are as follows:

(1) during processing, discharging by a discharging frame, feeding a metal plate into a leveling machine for leveling, feeding the metal plate into a punch press after the metal plate comes out of the leveling machine, sequentially passing through a material supporting roller at one side of the punch press and three corresponding die sets on a base of a workbench, moving the metal plate towards a gantry material pulling device, and clamping the metal plate by a clamping mechanism below a gantry frame of the gantry material pulling device;

(2) respectively driving a screw rod A to drive a slide carriage to realize reciprocating motion on a base of the workbench by a servo motor A, so that two sides of a metal plate are positioned between an upper die base and a lower die base of the three die sets;

(3) in the last step, the servo motor C drives the screw rod B to move, so that the sliding plate moves left and right on the screw rod B and stays at the upper part of the die set to be struck, and the striking bar is positioned above the die to be struck; then a servo motor B is connected with a speed reducer A, a main shaft of an eccentric wheel mechanism and an eccentric wheel A are driven, a connecting plate A is driven to drive a striking swing plate to move, the connecting plate A, a striking top plate and a striking bottom plate form a four-bar mechanism, the striking swing plate pushes the striking bottom plate to vertically reciprocate through the connecting plate A, the striking bottom plate drives a striking bar to move downwards, the striking bar strikes an upper die of a die, the upper die moves downwards to punch a metal plate, punching waste materials fall through a material leakage hole of a lower die holder, the upper die returns to the original position, and then the plate is punched at the next point position;

(4) in the last step, a motor at the bottom of the feeding sliding table drives a screw rod to drive the feeding sliding table to move on the base, and the punched metal plate moves along with the feeding sliding table and enters a plate shearing mechanism at the end part of the other side of the punch press;

(5) when the plate is conveyed to the plate shearing device, the motor drives the speed reducer B to drive the transmission shaft to rotate, the eccentric wheels B on two sides of the transmission shaft drive the connecting plate B to drive the upper cutter holder to move downwards, the pressure plate firstly contacts the metal plate, the spring compresses the metal plate, the upper cutter contacts the metal plate and begins to shear until the stroke is finished, the upper cutter holder returns, and the spring resets to finish a shearing process; and the sheared sheet falls into a skip car, and the stroke of punching and shearing the metal sheet once is finished.

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