A gantry movable disc shearing machine unit

Abstract

The present invention discloses a gantry movable disc shearing machine unit. The unit includes a roller frame installed at the front, a frame installed at the middle, and a discharging roller table installed at the rear; the frame consists of a fuselage and a gantry frame installed at the upper part of the fuselage; a crossbeam is arranged in the fuselage, and the crossbeam includes two layers arranged up and down, namely an upper crossbeam and a supporting beam arranged at the upper part, and a lower crossbeam arranged at the lower part; a workbench is arranged at the central position of the longitudinal full length of the upper crossbeam, the supporting beam, and the lower crossbeam, and the upper crossbeam, the supporting beam, and the lower crossbeam are divided into a pushing side and a guiding side by the workbench; a lower blade is fixedly installed on the workbench. The device adopts a clamp pushing positioning and a cylinder guiding mechanism, and a parallelogram and a rectangular steel plate can be positioned at an angle, and can be sheared into two isosceles trapezoidal and rectangular finished steel plates at one time; the whole set of units has a reasonable layout, a simple and practical structure, stable and reliable equipment, and improved shearing efficiency and quality.

Description

Technical Field

[0001] The invention relates to a disc shearing production line, in particular to a unit device for shearing a parallelogram or rectangular plate into two isosceles trapezoidal or rectangular finished plates at one time, belonging to the field of mechanical devices, specifically a gantry movable disc shearing unit. Background Art

[0002] At present, the domestic disc shearing unit adopts the upper and lower cutter discs installed on the fixed body to rotate simultaneously under the drive of the motor, and the feeding mechanism moves the steel plate to realize rolling shearing, which has the following disadvantages: 1. The bite angle and shearing force are large, and the shearing section is poor; 2. The steel plate often runs to the wrong side, and the shearing straightness is poor; 3. The rotation speed of the cutter disc and the moving speed of the steel plate cannot be matched synchronously, and the transmission is not smooth; 4. The steel plate can only move in a straight line, and oblique shearing cannot be achieved; 5. The hydraulic system of the main engine has leakage, and the maintenance and use costs are high.

[0003] With the rapid development of 5G smart combined poles, the demand for cylindrical and conical lamp poles is increasing day by day. The gantry mobile disc shearing unit is a new 5G smart combined pole shearing and cutting equipment. It can cut the parallelogram (rectangular) steel plate longitudinally from the middle into two isosceles trapezoidal (rectangular) finished plates at one time. It has high shearing precision, high efficiency, low cost, and broad market prospects. However, traditional disc shearing units cannot meet production needs. Summary of the invention

[0004] The purpose of the present invention is to provide a gantry movable disc shearing unit, which adopts a new structure in which the lower blade and the steel plate are fixed, and the upper cutter disc rotates and moves longitudinally with the gantry, so as to realize the full-length rolling shearing of the steel plate; the cutter disc drive and the gantry movement are controlled by servo to realize speed synchronization matching.

[0005] To achieve the above-mentioned purpose, the present invention provides a gantry movable disc shearing machine unit, which includes a roller frame installed at the front, a frame installed at the middle, and a discharge roller table installed at the rear;

[0006] The frame consists of a fuselage and a gantry mounted on the upper part of the fuselage;

[0007] A crossbeam is arranged in the fuselage, and the crossbeam includes two layers arranged in an upper and a lower layer, namely an upper crossbeam and a supporting beam arranged in an upper part, and a lower crossbeam arranged in a lower part; a workbench is arranged in the middle position of the longitudinal full length of the upper crossbeam, the supporting beam and the lower crossbeam, and the upper crossbeam, the supporting beam and the lower crossbeam are divided into a pushing side and a guiding side by the workbench; a lower blade is fixedly installed on the workbench;

[0008] A guide groove is fixedly installed on the pushing side of the upper cross beam, a linear guide pair and a ball screw pair are installed inside the guide groove, the nut on the ball screw pair is installed in the inner hole of the nut seat, the upper slider of the linear guide pair is connected to the nut seat, the push beam is connected to the nut seat through a pin shaft, a plurality of clamps are installed at the front end of the push beam, and the tail of the ball screw pair is connected to the output end of the servo motor;

[0009] A plurality of groups of rodless cylinders are installed on the guiding side of the upper cross beam, and guiding supports are installed on the ends of the piston rods of the rodless cylinders;

[0010] The lifting frame is fixedly installed on the pushing side and the guiding side of the lower cross beam, the oil cylinder seat is installed on the lower cross beam, the oil cylinder is hingedly installed in the inner hole of the oil cylinder seat, the end of the oil cylinder piston rod is hingedly installed with the lifting frame, and the lifting frame and the lower cross beam are penetrated by the guide rod;

[0011] Support seats are fixedly installed on both sides of the lifting frame, multiple groups of rollers are installed on the support seats, sprockets are installed at the ends of the rollers, and several tensioning sprockets are installed on the lifting frame. The tensioning sprockets and the sprockets are alternately connected through chains. A lifting frame reducer is fixedly installed on the lifting frame, and the output end of the lifting frame reducer is connected to the chain;

[0012] There are 4 groups of lifting frames; the 4 groups of lifting frames are symmetrically installed on the pushing side and the guiding side of the lower beam, and 2 groups of lifting frames are respectively arranged on the pushing side and the guiding side of the lower beam;

[0013] The gantry is movably connected to the fuselage through a rack and a transmission member connected thereto, racks are fixedly installed on both sides of the fuselage, shaft seats are fixedly installed on both sides of the gantry, a transmission shaft is installed inside the shaft seat, and the end of the transmission shaft is matched and connected with the rack; a double-extension shaft servo reducer is installed between the shaft seats on both sides of the gantry, and both output ends of the double-extension shaft servo reducer are connected to one end of the universal coupling, and the other end of the universal coupling is connected to the shaft head of the transmission shaft;

[0014] A disc shearing module is installed in the inner cavity of the gantry, and the disc shearing module includes a support, the interior of the support is penetrated by a main shaft, a tool holder is installed at the front end of the main shaft, an upper cutter disc is installed on the tool holder, and the rear end of the main shaft is connected to the output end of the servo reducer.

[0015] A feed roller is arranged on the roller frame, and the feed roller is connected with the output end of a feed reducer through a chain transmission component, and the feed reducer is fixed to the ground.

[0016] The discharging roller is connected to the output end of the discharging reducer through a discharging roller chain, and the discharging reducer is fixed to the ground.

[0017] There are two groups of fixed guide grooves on the pushing side of the upper crossbeam, and linear guide pairs and ball screw pairs are installed inside the two groups of guide grooves. Servo motors are installed on the ball screw pairs. The two servo motors of the two groups of guide grooves are controlled separately and can be driven synchronously or run separately.

[0018] The four groups of lifting frames are raised and lowered synchronously.

[0019] The double-extension shaft servo reducer is fixedly installed in the middle of the gantry.

[0020] The gantry movable disc shearing machine unit described in the present invention has the following beneficial effects: the device has a simple and compact structure, a novel and unique design concept, a lower blade is fixedly installed on the workbench of the fuselage in a straight line as a shearing reference, and the upper cutter disc rotates and moves with the gantry to achieve full-length rolling shearing of the steel plate, thereby improving the shearing efficiency and shearing straightness; the servo clamp push-pull positioning and cylinder guide mechanism are adopted to calculate the inclination of the parallelogram (rectangular) steel plate and automatically position it, so that it can be sheared into two isosceles trapezoidal (rectangular) finished plates at one time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is the main and top view of the gantry movable disc shearing machine unit;

[0022] Figure 2 for Figure 1 Middle AA section view;

[0023] Figure 3 for Figure 1 Middle BB section view;

[0024] Figure 4 for Figure 1 Middle CC section view;

[0025] 1-roller frame, 2-feed roller, 3-feed reducer, 4-chain transmission component, 5-fuselage, 6-gantry, 7-discharge roller, 8-servo reducer, 9-support, 10-spindle, 11-knife seat, 12-upper knife disc, 13-lower blade, 14-workbench, 15-clamp, 16-push beam, 17-rotating shaft, 18-nut seat, 19-ball screw pair, 20-guide groove, 21-servo motor, 22-lower beam, 23-cylinder seat, 24- Cylinder, 25-lifting frame, 26-guide rod, 27-guide support, 28-rodless cylinder, 29-rack, 30-gear, 31-shaft seat, 32-drive shaft, 33-universal coupling, 34-double-extension shaft servo reducer, 35-roller, 36-sprocket, 37-support seat, 38-upper beam, 39-linear guide pair, 40-tensioning sprocket, 41-chain, 42-lifting frame reducer, 43-supporting beam, 44-steel plate, 45-finished steel plate. DETAILED DESCRIPTION

[0026] Example 1

[0027] like Figure 1-4 As shown, the gantry movable disc shearing machine unit of the present invention comprises a roller frame 1 installed at the front, a frame installed at the middle, and a discharging roller table 7 installed at the rear;

[0028] The frame is composed of a fuselage 5 and a gantry 6 installed on the upper part of the fuselage 5;

[0029] A crossbeam is arranged in the fuselage 5, and the crossbeam includes two layers arranged in an upper and a lower manner, namely an upper crossbeam 38 and a supporting beam 43 arranged in the upper part, and a lower crossbeam 22 arranged in the lower part; a workbench 14 is arranged in the middle position of the longitudinal full length of the upper crossbeam 38, the supporting beam 43, and the lower crossbeam 22, and the upper crossbeam 38, the lower crossbeam 22, and the supporting beam 43 are divided into a pushing side and a guiding side by the workbench 14; a lower blade 13 is fixedly installed on the workbench 14;

[0030] A guide groove 20 is fixedly installed on the pushing side of the upper cross beam 38, a linear guide pair 39 and a ball screw pair 19 are installed inside the guide groove 20, the nut on the ball screw pair 19 is installed in the inner hole of the nut seat 18, the slider on the linear guide pair 39 is connected to the nut seat 18, the push beam 16 is connected to the nut seat 18 through the pin 17, a plurality of clamps 15 are installed at the front end of the push beam 16, and the tail of the ball screw pair 19 is connected to the output end of the servo motor 21;

[0031] A plurality of rodless cylinders 28 are installed on the guiding side of the upper cross beam 38, and guiding supports 27 are installed at the ends of the piston rods of the rodless cylinders 28;

[0032] The lifting frame 25 is fixedly installed on the pushing side and the guiding side of the lower cross beam 22, and the oil cylinder seat 23 is installed on the lower cross beam 22. The inner hole of the oil cylinder seat 23 is hingedly installed with the oil cylinder 24. The end of the piston rod of the oil cylinder 24 is hingedly installed with the lifting frame 25. The lifting frame 25 and the lower cross beam 22 are penetrated by the guide rod 26.

[0033] Support seats 37 are fixedly installed on both sides of the lifting frame 25, and multiple groups of roller shafts 35 are installed on the support seats 37. Sprocket wheels 36 are installed at the ends of the roller shafts 35. A plurality of tensioning sprocket wheels 40 are installed on the lifting frame 25. The tensioning sprocket wheels 40 and the sprocket wheels 36 are alternately connected through chains 41. A lifting frame reducer 42 is fixedly installed on the lifting frame 25, and the output end of the lifting frame reducer 42 is connected to the chain 41.

[0034] There are four groups of lifting frames 25; the four groups of lifting frames 25 are symmetrically installed on the pushing side and the guiding side of the lower beam 22, and two groups of lifting frames 25 are respectively installed on the pushing side and the guiding side of the lower beam 22;

[0035] The gantry 6 is movably connected to the fuselage 5 through the rack 29 and the transmission member connected thereto. The racks 29 are fixedly installed on both sides of the fuselage 5, and the shaft seats 31 are fixedly installed on both sides of the gantry 6. The transmission shaft 32 is installed inside the shaft seat 31, and the end of the transmission shaft 32 is matched and connected with the rack 29; a double-extension shaft servo reducer 34 is installed between the shaft seats 31 on both sides of the gantry 6, and the two output ends of the double-extension shaft servo reducer 34 are connected to one end of the universal coupling 33, and the other end of the universal coupling 33 is connected to the shaft head of the transmission shaft 32;

[0036] A disc shearing module is installed in the inner cavity of the gantry 6, and the disc shearing module includes a support 9, the interior of the support 9 is penetrated by a main shaft 10, a tool holder 11 is installed at the front end of the main shaft 10, an upper cutter disc 12 is installed on the tool holder 11, and the rear end of the main shaft 10 is connected to the output end of the servo reducer 8.

[0037] The roller frame 1 is provided with a feed roller 2, and the feed roller 2 is connected to the output end of a feed reducer 3 through a chain transmission component 4, and the feed reducer 3 is fixed to the ground.

[0038] The discharging roller 7 is connected to the output end of the discharging reducer through a discharging roller chain, and the discharging reducer is fixed to the ground.

[0039] There are two groups of guide grooves 20 fixedly installed on the pushing side of the upper cross beam 38, and linear guide pairs 39 and ball screw pairs 19 are installed inside the two groups of guide grooves 20. Servo motors 21 are installed on the ball screw pairs 19. The two servo motors 21 of the two groups of guide grooves 20 are controlled separately and can be driven synchronously or run separately.

[0040] The four groups of lifting frames 25 are raised and lowered synchronously.

[0041] The double-extension shaft servo reducer 34 is fixedly installed in the middle of the gantry 6.

[0042] The working process is as follows: the gantry 6 and the push beam 16 return to the initial position (the double-dotted line position in the figure), the steel plate 44 enters the feed roller 2 from the previous sequence, the oil cylinder 24 acts, and the four sets of lifting frames 25 rise synchronously to ensure that the surface of the roller 35 is at the same height as the surface of the feed roller 2; the feed reducer 3 and the lifting frame reducer 42 rotate at the same time, and drive the feed roller 2 and the roller 35 to rotate respectively through the chain drive, and the steel plate 44 is transported into the frame. After reaching the set position, the steel plate 44 stops; according to the shear slope size requirements of the steel plate 44, the two sets of servo motors 21 rotate respectively, and through the ball screw pair 19 transmission and the linear guide pair 39 guidance, the push beam 16 moves out of the slope size, and pushes the steel plate 44 obliquely through the jaw surface of the clamp 15 (the clamp does not clamp the steel plate 44 at this time), the rodless cylinder 28 acts, and the steel plate 44 is positioned close to the jaw surface of the clamp 15 through the guide support 27; the clamp 15 clamps The steel plate 44 is tightened, the roller 35 descends, and the steel plate 44 falls to the surface of the lower blade 13 and the supporting beam 43; the servo reducer 8 rotates, and the upper cutter disc 12 is driven to rotate through the main shaft 10, and the double-extension shaft servo reducer 34 rotates at the same time, and the gear 30 is driven to rotate through the universal coupling 33 and the transmission shaft 32. After the gear 30 and the rack 29 are driven, the gantry 6 is driven to move longitudinally along the fuselage 5, and the steel plate 44 is sheared from the middle into two finished steel plates 45; after the shearing is completed, the servo reducer 8 and the double-extension shaft servo reducer 34 are reversed, the gantry 6 returns to the initial position, the roller 35 is raised to ensure that the surface of the roller 35 is at the same height as the surface of the discharge roller 7, the clamp 15 releases the steel plate 44, the push beam 16 returns to the initial position, the feed reducer 3 and the lifting frame reducer 42 rotate at the same time, and the discharge roller 7 and the roller 35 are driven to rotate through the chain drive, and the steel plate 44 is transported to the next sequence.

[0043] The gantry movable disc shearing machine unit described in the present invention adopts a new structure in which the lower blade 13 and the steel plate 44 are fixed, and the upper cutter disc 12 rotates and moves longitudinally with the gantry 6, so as to realize the full-length rolling shearing of the steel plate 44; the upper cutter disc 12 is driven and the gantry 6 moves by servo control, so as to realize the stepless synchronous matching of the upper cutter disc 12 rotation and the gantry 6 moving speed; the clamp 15 and the push beam 16 are used for positioning and the guiding support 27 is used for cylinder guidance, so as to calculate the slope of the parallelogram (rectangular) steel plate 44 and automatically position it, and shear it into two isosceles trapezoidal (rectangular) finished steel plates 45 at one time. The whole set of units has a reasonable layout, a simple and practical structure, and improves the stability, reliability, shearing efficiency and shearing quality of the equipment.

Claims

1. A gantry movable disc shearing machine unit, comprising a machine unit, characterized in that: The machine unit comprises a roller frame (1) installed at the front, a frame installed at the middle, and a discharge roller table (7) installed at the rear; The frame is composed of a fuselage (5) and a gantry (6) installed on the upper part of the fuselage (5); A crossbeam is arranged in the fuselage (5), and the crossbeam includes two layers arranged in an upper and a lower layer, namely an upper crossbeam (38) and a supporting beam (43) arranged in an upper part, and a lower crossbeam (22) arranged in a lower part; a workbench (14) is arranged in the middle position of the longitudinal full length of the upper crossbeam (38), the supporting beam (43), and the lower crossbeam (22); the upper crossbeam (38), the supporting beam (43), and the lower crossbeam (22) are divided into a pushing side and a guiding side by the workbench (14); a lower blade (13) is fixedly mounted on the workbench (14); A guide groove (20) is fixedly installed on the push side of the upper cross beam (38), a linear guide pair (39) and a ball screw pair (19) are installed inside the guide groove (20), a nut on the ball screw pair (19) is installed in the inner hole of the nut seat (18), the upper slider of the linear guide pair (39) is connected to the nut seat (18), the push beam (16) is connected to the nut seat (18) through a pin shaft (17), a plurality of clamps (15) are installed at the front end of the push beam (16), and the tail end of the ball screw pair (19) is connected to the output end of the servo motor (21); A plurality of groups of rodless cylinders (28) are installed on the guiding side of the upper cross beam (38), and guiding supports (27) are installed at the ends of the piston rods of the rodless cylinders (28); A lifting frame (25) is fixedly mounted on the pushing side and the guiding side of the lower cross beam (22); a cylinder seat (23) is mounted on the lower cross beam (22); a cylinder (24) is hingedly mounted on the inner hole of the cylinder seat (23); an end of a piston rod of the cylinder (24) is hingedly mounted on the lifting frame (25); and the lifting frame (25) and the lower cross beam (22) are penetrated by a guide rod (26); Support seats (37) are fixedly mounted on both sides of the lifting frame (25), multiple groups of roller shafts (35) are mounted on the support seats (37), sprocket wheels (36) are mounted on the ends of the roller shafts (35), a plurality of tensioning sprocket wheels (40) are mounted on the lifting frame (25), the tensioning sprocket wheels (40) and the sprocket wheels (36) are alternately connected via chains (41), a lifting frame reducer (42) is fixedly mounted on the lifting frame (25), and an output end of the lifting frame reducer (42) is connected to the chain (41); The lifting frames (25) are provided in four groups; the four lifting frames (25) are symmetrically installed on the material pushing side and the guiding side of the lower cross beam (22), respectively, and two lifting frames (25) are respectively provided on the material pushing side and the guiding side of the lower cross beam (22); The gantry (6) and the fuselage (5) are movably connected via a rack (29) and a transmission member connected thereto; the racks (29) are fixedly mounted on both sides of the fuselage (5); the shaft seats (31) are fixedly mounted on both sides of the gantry (6); a transmission shaft (32) is mounted inside the shaft seat (31); and the end of the transmission shaft (32) is matched and connected to the rack (29); A double-extension shaft servo reducer (34) is installed between the shaft seats (31) on both sides of the gantry (6), and both output ends of the double-extension shaft servo reducer (34) are connected to one end of a universal coupling (33), and the other end of the universal coupling (33) is connected to the shaft head of the transmission shaft (32); A disc shearing module is installed in the inner cavity of the gantry (6), and the disc shearing module comprises a support (9), the interior of the support (9) is penetrated by a main shaft (10), a tool holder (11) is installed at the front end of the main shaft (10), an upper cutter disc (12) is installed on the tool holder (11), and the rear end of the main shaft (10) is connected to the output end of the servo reducer (8).

2. A gantry movable disc shearing machine unit as claimed in claim 1, characterized in that: A feed roller conveyor (2) is provided on the roller frame (1); the feed roller conveyor (2) is connected to an output end of a feed reducer (3) via a chain transmission component (4); and the feed reducer (3) is fixed to the ground.

3. A gantry movable disc shearing machine unit as claimed in claim 1, characterized in that: The discharging roller conveyor (7) is connected to the output end of a discharging reducer via a discharging roller conveyor chain, and the discharging reducer is fixed to the ground.

4. A gantry movable disc shearing machine unit as claimed in claim 1, characterized in that: The upper cross beam (38) has two sets of guide grooves (20) fixedly mounted on the material pushing side. The two sets of guide grooves (20) are both internally mounted with a linear guide pair (39) and a ball screw pair (19). The ball screw pair (19) is both equipped with a servo motor (21). The two servo motors (21) of the two sets of guide grooves (20) are independently controlled and can be driven synchronously or independently.

5. The gantry movable disc shearing machine unit according to claim 1, characterized in that: The four groups of lifting frames (25) are raised and lowered synchronously.

6. A gantry movable disc shearing machine unit as claimed in claim 1, characterized in that: The double-extension shaft servo reducer (34) is fixedly installed in the middle of the gantry (6).

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