CN210816824U - Bending unit of metal plate flanging machine and metal plate flanging machine - Google Patents
Bending unit of metal plate flanging machine and metal plate flanging machine Download PDFInfo
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- CN210816824U CN210816824U CN201921352022.9U CN201921352022U CN210816824U CN 210816824 U CN210816824 U CN 210816824U CN 201921352022 U CN201921352022 U CN 201921352022U CN 210816824 U CN210816824 U CN 210816824U
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Abstract
The utility model belongs to the technical field of sheet metal production equipment, in particular to a bending unit of a metal plate flanging machine, which is provided with a bottom plate (20), a first wallboard (201), a second wallboard (202), a supporting beam (203), a transmission shaft (21), a blank holder assembly (22), a fixed cutter holder (23) and a rotary cutter holder (24); the utility model discloses relate to a sheet metal flanging machine simultaneously, be equipped with base (1), be equipped with bending unit (2) and conveying unit (4) on base (1). The bending units are assembled into a metal plate flanging machine, so that single-side bending or double-side simultaneous bending of metal plates can be realized; the bending angle and the bending height within a range can be changed at will by adopting system program control, the operation is simple; the full servo motor is adopted, so that green manufacturing is realized; the production efficiency is improved, the cost is reduced, the manpower is reduced, and the automation of the production process is realized; the processing size of the workpiece is uniform, the processing is stable, and the consistency is good.
Description
Technical Field
The utility model belongs to the technical field of the panel beating production facility, concretely relates to sheet metal flanging machine unit and sheet metal flanging machine of bending adopts the sheet metal flanging machine of this unit equipment of bending, can realize that sheet metal's unilateral is bent or both sides are bent simultaneously.
Background
The flanging machine belongs to machining production equipment capable of bending the edge of a metal plate, and is used for flanging a workpiece by adopting flanging cutter bodies with different angles at different stations. In the production process of door plates, file cabinets and safe cases, a folding machine is often required to be used for bending the plates, and the existing manual folding machine adopts a simple bending device and is manually positioned, so that the machining size is not uniform, and the machining speed is low; moreover, the existing flanging machine can only carry out flanging treatment on the plate in one bending direction generally, and when the bending angle or direction is changed, the use is inconvenient by changing a bending die.
The technical scheme is that a flanging machine with multiple flanging angles is disclosed by automobile refitting factories (CN 2016204997837) in Jiangsu city, and the key points of the technical scheme are that a flanging square column is rotated through a rotating rod on the flanging square column, so that a V-shaped groove required to be used on the flanging square column is arranged on the upper end surface of the flanging square column, a steel plate is flanged through a blade and the V-shaped groove, and the V-shaped grooves with different angles on each surface of the flanging square column provide different flanging angles for the steel plate;
guangxi Tianyang to Henmen industries, Inc. (CN 201610357540.4) discloses a bending machine, which comprises a frame, a material pressing head, a workbench arranged on the frame and a turnover mechanism arranged adjacent to the workbench. The workbench is provided with a first molding surface. The material pressing head is movably connected to the frame and is provided with a second molding surface. The turnover mechanism comprises a fixed plate, a movable plate and a sliding driving assembly, the fixed plate is rotatably arranged on the workbench or the rack, the movable plate comprises a forming part and a connecting part formed by bending one side of the forming part, the connecting part is slidably arranged on the fixed plate, and an included angle between the moving path of the connecting part and the plane of the forming part is an obtuse angle. The sliding driving assembly is arranged on the fixed plate and connected with the connecting part so as to drive the movable plate to reciprocate between a position close to the workbench and a position far away from the workbench along the moving path, and further the forming part can be alternatively matched with the first forming surface and the second forming surface so as to bend the workpiece;
the flanging device disclosed by the invention has the problem that two ends of a workpiece cannot be bent at the same time, and the workpiece is conveyed to another flanging machine or bending machine to bend another angle or another edge after one angle or one edge is bent in one flanging machine or bending machine, so that the processing cost is increased;
qingdao Mingyu Intelligent Equipment Limited (CN 201821490542.1) discloses a forming device for bending refrigerator door plates. The bending machine comprises a rack, a feeding mechanism for conveying workpieces, a bending mechanism for bending the workpieces and a discharging mechanism for outputting finished products are sequentially arranged along the working direction of the rack, the number of the bending mechanisms is two, a bending area for processing and forming the workpieces is formed between the two bending mechanisms, a conveying belt for assisting in supporting the workpieces and conveying the formed workpieces to the discharging mechanism is arranged between the two bending mechanisms, and the bending mechanism comprises a workbench, a pressing device and a folding device, wherein the workbench is arranged at one end of the conveying belt and used for bearing the workpieces, the pressing device is used for pressing and positioning the workpieces to be bent on the workbench, and the folding device is used for bending and forming the workpieces after being pressed. According to the technology, two ends of workpieces with different sizes can be simultaneously bent through the two bending mechanisms.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bending unit of a metal plate flanging machine on the basis of the prior art, which is arranged on a metal plate flanging machine assembled on a base, can replace manual bending and realize single-side bending or double-side simultaneous bending of metal plates; the bending angle and the bending height within a range can be changed at will by adopting system program control, the operation is simple; the full servo motor is adopted, so that green manufacturing is realized; the production efficiency is improved, the cost is reduced, the manpower is reduced, and the automation of the production process is realized; the processing size of the workpiece is uniform, the processing is stable, the consistency is good, the defective rate of products is greatly reduced, and the energy conservation and emission reduction are realized.
The utility model provides a following technical scheme:
the utility model provides a sheet metal flanging machine unit of bending which characterized in that:
the bending unit is provided with a bottom plate, a first wall plate, a second wall plate, a supporting beam, a transmission shaft, a blank holder assembly, a fixed tool apron and a rotary tool apron;
the first wallboard and the second wallboard are oppositely arranged at the left end and the right end of the bottom plate in a left-right mode, and a supporting cross beam and a transmission shaft are transversely arranged at the top end between the first wallboard and the second wallboard;
the left end and the right end of the transmission shaft are respectively provided with a synchronous pulley and a synchronous bearing, the synchronous bearings respectively penetrate through synchronous bearing holes formed in the upper ends of the first wall plate and the second wall plate, the synchronous bearing at one end of the transmission shaft is connected with a synchronous speed reducing motor, the inner sides of the first wall plate and the second wall plate are respectively provided with a driven synchronous pulley matched with the synchronous pulleys, and an annular synchronous belt is arranged between the driven synchronous pulleys and the synchronous pulleys;
the edge pressing knife assembly comprises an edge pressing knife at the lower part and an edge pressing knife fixing plate at the upper part; the side surface of the side pressing knife is in a duck foot shape, and the top of the duck foot is provided with a fixed end;
the width of the edge pressing knife fixing plate is greater than the length of the bottom plate, the bottom of the edge pressing knife fixing plate is provided with an installation area, the width of the installation area is less than the length of the bottom plate, pressing plates are welded in the installation area side by side, the height of each pressing plate is less than the height of the installation area, and the fixed end of the top of the edge pressing knife is arranged at the bottom of each pressing plate and is tightly fixed in the installation area; a toothed plate fixing seat and a blank pressing cutter sliding block are fixed at the left end and the right end of the upper part of the blank pressing cutter fixing plate through bolts, a toothed plate is arranged on the toothed plate fixing seat, the annular synchronous belt is sleeved between the toothed plate and the toothed plate fixing seat, the toothed plate bolts are fixed on the toothed plate fixing seat and tightly press the annular synchronous belt on the toothed plate fixing seat, and a toothed groove is arranged on the toothed plate and meshed with teeth on the annular synchronous belt; the edge pressing knife fixing plate is characterized in that more than two edge pressing knife sliding blocks are arranged at each end of the edge pressing knife fixing plate, edge pressing knife sliding tracks matched with the edge pressing knife sliding blocks are arranged on one sides of the edge pressing knife assembly of the first wall plate and the second wall plate, and the edge pressing knife sliding blocks are arranged on the edge pressing knife sliding tracks;
a pressing strip supporting block, a pressing strip cylinder and a pressurizing cylinder which correspond to the left end and the right end of the edge pressing cutter assembly are arranged on the outer sides of the first wall plate and the second wall plate from bottom to top; the pressing strip supporting block is fixed on one side of the first wallboard or the second wallboard, which is far away from the side pressing knife fixing plate of the side pressing knife assembly; the pressing bar air cylinder is obliquely fixed in the middle of the first wallboard or the second wallboard, and the pressing bar bolt is fixed on an air cylinder sliding block of the pressing bar air cylinder; the pressurizing cylinder is fixed in the middle of the first wallboard or the second wallboard, and a piston rod of the pressurizing cylinder is downwards opposite to the middle part of the upper end of the pressing bar;
a fixed cutter holder which is opposite to the edge pressing cutter up and down is arranged on the bottom plate, and the fixed cutter holder is fixed on the bottom plate through bolts; the fixed cutter seats are adjacently provided with rotating cutter seats; a fixed knife is arranged on the inner side of the fixed knife holder, and a rotating knife is arranged on the inner side of the rotating knife holder; one side of the fixed knife, which is close to the rotary knife, is vertically opposite to the edge of the edge pressing knife;
a rotary table and a gear bearing are respectively arranged at the left end and the right end of the rotary tool apron from inside to outside, the rotary table is fixed at one end of the outer side of the rotary tool apron, which is far away from the fixed tool apron, the gear bearing is fixed on the rotary table through screws, and the gear bearing is arranged in corresponding bearing holes on a first wall plate and a second wall plate at the outer side of the rotary tool apron; a pinion is meshed with a gear bearing at one end of the rotary cutter holder and is arranged in a corresponding small bearing hole on the first wallboard or the second wallboard, and the pinion is connected with a corresponding rotary cutter holder speed reducing motor on the first wallboard or the second wallboard;
a groove-shaped positioning bracket is fixed in the middle of the outer side of the rotary cutter holder; a positioning cylinder seat is arranged at the bottom of the positioning bracket, a positioning cylinder seat is fixed on two parallel guide grooves arranged at the bottom of the positioning bracket by screws, a corner cylinder is arranged on the positioning cylinder seat, a rotating arm and a clamping jig arranged at the end part of the rotating arm are arranged at the top end of a rotating shaft of the corner cylinder, and the clamping jig faces the direction of the rotating tool holder;
positioning stoppers which are bilaterally symmetrical are arranged on the outer side of the fixed tool apron, each positioning stopper is correspondingly provided with a horizontal cylinder and a vertical cylinder, the horizontal cylinder is fixed on the outer side of the fixed tool apron through a bolt, the vertical cylinder is fixed on a connecting plate on the horizontal cylinder through a bolt, and the connecting plate can move left and right at one end of the fixed tool apron along the horizontal cylinder; the positioning block is fixed on the front cover of the vertical cylinder and can move up and down along the vertical cylinder to extend or retract.
In the bending unit of the metal plate flanging machine, preferably, the edge pressing knife is provided with 2 edge pressing knife main bodies and 2 end assembly parts; the 2 end head assemblies are respectively and symmetrically arranged at the left end and the right end of the blank holder main body and are in left-right mirror symmetry;
the end head assembly consists of a fixed duck foot and a movable duck foot, and the movable duck foot is arranged outside the fixed duck foot; in a compression state, both the inner end surface and the outer end surface of the end assembly are duck feet, the top of each duck foot is provided with a fixed end, and the bottom of the outer end of each duck foot is provided with an outer inclination angle;
the outer side of the fixed duck foot is provided with a sliding outer inclined plane which is inclined downwards from outside to inside, a convex sliding groove is arranged on the sliding outer inclined plane, and a waist circular groove is arranged at the lower part in the sliding groove;
the inner side of the movable duck foot is provided with a sliding inner inclined plane matched with the sliding outer inclined plane, a convex sliding column matched with the sliding groove is arranged on the sliding inner inclined plane, a round hole matched with the waist circular groove is formed in the sliding column, and a hexagon socket screw is arranged between the round hole and the waist circular groove;
and a positioning key is arranged on the joint surface of the fixed duck feet and the movable duck feet on the fixed duck feet to connect the fixed duck feet and the movable duck feet.
In the bending unit of the metal plate flanging machine, the camber angle of the end assembly is preferably 15-25 ︒.
In the bending unit of the metal plate flanging machine, the sliding inclination angle of the fixed duck feet is preferably 43-47 ︒.
The bending unit of the metal plate flanging machine is preferably further provided with a safety cylinder, the safety cylinder is arranged on the inner side of the first wall plate or/and the second wall plate of the bending unit, the safety cylinder is located on the side portion of the synchronous pulley and parallel to the synchronous pulley, and a cylinder sliding block of the safety cylinder is connected to a toothed plate fixing seat of the edge pressing cutter assembly through a connecting block.
The utility model also provides a metal plate flanging machine, which is provided with a base, the bending unit is arranged on the base, the conveying unit is also arranged on the base,
the number of the bending units is two, and a ball screw is further arranged on the base; the two bending units are adjacent and arranged back to back; in the two bending units, the bottom plate of the rear bending unit is fixed at the left end and the right end of the base; sliding rails and corresponding rail sliding blocks are arranged at the left end and the right end of the base, the rail sliding blocks are fixedly arranged at the bottom of a bottom plate of the front bending unit, and the bottom of the bottom plate is connected with the ball screw;
the conveying unit is provided with a truss, a support frame, a conveying slide rail, a conveying mechanism, a telescopic cylinder and a telescopic shaft;
the front end of the front bending unit and the rear end of the rear bending unit are both provided with a support frame; the number of the support frames is more than 2, the support frames are symmetrically arranged in the left-right direction, the conveying slide rails are arranged on the support frames and correspond to the support frames one by one, the support frames are arranged in groups, one group of the group of support frames is fixed on the outer side of the bending unit bottom plate, the other group of the group of support frames is fixed on the truss, and the two groups of support frames are arranged in a staggered mode;
the conveying mechanism comprises a conveying speed reduction motor, two parallel conveying belts, a front support, a rear support and a driving wheel, wherein the two parallel conveying belts are respectively arranged on the left side and the right side of the positioning support; the front ends and the rear ends of the front support and the rear support are respectively provided with a driving wheel, the driving wheels are symmetrically arranged in groups along the left side and the right side of each support, two conveying belts are sleeved on each group of driving wheels in parallel and are respectively connected end to end, and one group of the driving wheels is connected with a conveying speed reduction motor;
the front end of the rear bracket is fixed on the outer side of the bottom plate of the rear bending unit, and the rear end of the rear bracket is fixed on the truss; the front end and the rear end of the front support are respectively provided with a front lifting cylinder and a rear lifting cylinder, one end of the front lifting cylinder is fixed on the truss, the other end of the front lifting cylinder is fixed on a cylinder support piece at the front end of the front support, one end of the rear lifting cylinder is fixed on a bottom plate of the front bending unit through a cylinder connecting plate, and the other end of the rear lifting cylinder is fixed on the cylinder support piece at the rear end of the front support;
the front support consists of a first support and a second support at the front end of the first support, a support supporting piece is arranged at the connecting end of the first support and the second support, an extension area is arranged at the support supporting piece end of the first support or the second support, a slide way is arranged in the extension area and the lower part of the corresponding first support or the second support, and the first support or the second support can be slidably arranged on the slide way of the other support;
the telescopic cylinder is horizontally fixed between the support supporting piece and the cylinder supporting piece at the front end of the rear lifting cylinder, the rear end of the support supporting piece is provided with a telescopic shaft supporting piece, and the telescopic shaft supporting piece is arranged on the telescopic cylinder and can move back and forth along with the telescopic cylinder; the telescopic shaft sets up 2 for parallel, and on telescopic shaft one end was fixed in telescopic shaft support piece, the trompil on the cylinder support piece top of back lift cylinder front end was passed to the other end.
When the bending unit of the metal plate flanging machine is assembled into the metal plate flanging machine for flanging a workpiece, a control system is arranged in the known manner; the various cylinders, including but not limited to a layering cylinder, a pressurization cylinder, a corner cylinder, a horizontal cylinder, a vertical cylinder, a safety cylinder, a telescopic cylinder, a front lifting cylinder and a rear lifting cylinder, are provided with interfaces, and are directly controlled by an electromagnetic valve through connecting a workshop air source to realize the operation and power output of the cylinders; the motors comprise the screw rod servo motor, the synchronous speed reducing motor, the rotary cutter seat speed reducing motor and the transmission speed reducing motor, the servo motors are adopted and are electrically connected with the electromagnetic valves of the cylinders and the control system, all the working units of the flanging machine are automatically controlled by the control system, the cooperative work of all the workpiece units of the flanging machine is realized, and the technical personnel in the field can realize the connection relation and the system configuration of the control system, the cylinders and the motors.
Adopt the utility model discloses a sheet metal flanging machine unit of bending installs and assembles into the flanging machine on the base, carries out sheet metal and bends, has following beneficial effect at least:
1. the bending unit of the metal plate flanging machine and the metal plate flanging machine adopt system program control, are simple to operate, and can arbitrarily change the bending angle and the bending height within a range;
specifically, the flanging of the plate workpiece is realized by driving a pinion to rotate by a rotating tool apron speed reduction motor under the condition that the workpiece is compressed by a flanging tool so as to drive a gear bearing, a rotary table and a rotating tool apron to rotate, so that the bending angle of the workpiece can be randomly changed within a design range without replacing a tool body, and when the bending angle is changed, the operation can be realized only by changing the rotating angle of the pinion through a control system, and the operation is simple; in addition, when in edge folding operation, the bending position and the bending height of the workpiece can be adjusted only by driving the ball screw to adjust the width between the two bending units 2 through the screw servo motor, and the use is convenient;
2. the utility model adopts a full servo motor, which realizes green manufacture; the utility model realizes the operations of lifting of the edge pressing knife, rotating the edge turning of the knife seat, feeding and discharging of the plate workpiece and the like through the bending unit of the metal plate flanging machine and each motor of the flanging machine, and each motor adopts a servo motor to be electrically connected with a control system, so that the operation of the workpiece on the flanging machine and the bending unit forms a full-automatic control intelligent plate flanging process of feeding, positioning, pressing, bending, loosening and discharging, and green manufacturing is realized;
3. compared with the prior plate bending process, the utility model has the advantages that the adopted bending unit and the flanging machine can be automatically controlled, thereby improving the production efficiency, reducing the cost and the manpower and realizing the automation of the production process; because the plates can be accurately positioned front, back, left and right on the flanging machine through the air cylinder, the processing size is uniform, the processing is stable, the consistency is good, the defective rate of products is greatly reduced, and the energy conservation and emission reduction are realized.
Drawings
Fig. 1 is a schematic view of an overall structure of a bending unit of a metal plate flanging machine according to a first embodiment of the present invention;
FIG. 2 is a view taken along line A of FIG. 1;
FIG. 3 is an enlarged view of the edge holder assembly, the fixed holder and the rotary holder of the bending unit shown in FIG. 1;
FIG. 4 is a view of the edge runner assembly B of FIG. 3;
FIG. 5 is a side view of the spatula C in FIG. 4 looking toward the eye;
FIG. 6 is a top view of the fixed seat and the rotating seat of FIG. 3;
FIG. 7 is a view of the fixed and rotating tool holders D of FIG. 6;
fig. 8 is a schematic view of the overall structure of a metal plate flanging machine according to a second embodiment of the present invention;
FIG. 9 is a view of the sheet metal crimper E of FIG. 8 in the orientation, i.e., top plan view;
FIG. 10 is a schematic view of the overall structure of the conveying mechanism of the conveying unit of the metal plate flanging machine in FIG. 8;
FIG. 11 is an enlarged view of a portion of the first support of the transfer mechanism of FIG. 10;
FIG. 12 is an enlarged view of the overall structure of the blank holder tool with the blank holder tool tip assembly shown in FIG. 3;
FIG. 13 is a view in elevation of the hold-down knife F of FIG. 12;
FIG. 14 is a schematic view of the overall structure of the binder tool tip assembly of FIG. 12 in a compressed state;
FIG. 15 is a side, i.e., outside, view of the crimping blade tip assembly G of FIG. 14;
FIG. 16 is a view of the edger head assembly H of FIG. 14, in an inboard view;
FIG. 17 is a view of the edger head assembly I of FIG. 14 in the forward, i.e., front, direction;
FIG. 18 is a schematic view of the movable duck foot of the assembly of the pressing edge knife head of FIG. 14;
FIG. 19 is a view of the movable duck foot J of FIG. 18, taken in the medial direction;
fig. 20 is a front view of the movable duck foot K of fig. 18;
FIG. 21 is a schematic view of the overall structure of the fixed duck foot of the assembly of the pressing edge knife head of FIG. 14;
fig. 22 is a front view of the fixed duck foot L of fig. 21;
fig. 23 is a view of the fixed duck foot M of fig. 21 in an outward, lateral view;
FIG. 24 is a schematic view of the binder tool tip assembly of FIG. 14 during operation avoiding the inner hem of a workpiece.
The numbering in the figures illustrates:
1, a base, 11 sliding tracks and 12 track sliding blocks; 2, a bending unit; 4, a ball screw; 51 a safety cylinder; 52 an induction lamp; 6, folding the inner edge of the workpiece 61;
20, 201, 202, 203, a first supporting beam, 21, a transmission shaft, 211, 212, a synchronous bearing, 214, a synchronous speed reducing motor, 215, a driven synchronous pulley and 216, an annular synchronous belt;
22 edge pressing knife assembly, 220 edge pressing knife, 2201 edge pressing knife main body, 2202 end assembly, 2203 fixed duck feet, 2203A sliding outer inclined plane, 2204 movable duck feet, 2204A sliding inner inclined plane, 2205 fixed end, 2206 positioning key, 2207 sliding column, 2208 sliding groove, 2209 waist circular groove, 2209A round hole, 221 edge pressing knife fixing plate, 2210 mounting area, 222 toothed plate fixing seat, 2221 toothed plate, 223 edge pressing knife sliding block, 2231 edge pressing knife sliding track, 224 pressing block, 225 pressing plate, 226 pressing bar supporting block, 227 pressing bar, 228 pressing bar cylinder, 229 pressurizing cylinder, α front inclination angle, β camber angle and gamma sliding inclination angle;
23 fixed knife holder, 231 fixed knife; 24 rotating knife holder, 241 rotating knife, 242 rotating table, 243 gear bearing, 244 pinion, 245 rotating knife holder speed reduction motor; 25 positioning brackets, 251 positioning cylinder seats, 252 parallel guide grooves, 253 corner cylinders, 254 rotating arms and 255 clamping jigs; 26 positioning stoppers, 261 horizontal cylinders, 262 vertical cylinders and 263 connecting plates;
3 conveying unit, 30 trusses, 31 support frames, 32 conveying slide rails, 33 conveying mechanisms, 34 telescopic cylinders, 341 telescopic shafts, 35 conveying speed reduction motors, 36 conveying belts, 37 front supports, 371 front lifting cylinders, 372 rear lifting cylinders, 373 cylinder connecting plates, 374 cylinder supporting pieces, 375 first supports, 376 second supports, 377 support supporting pieces, 378 extending areas, 379 telescopic shaft supporting pieces, 38 rear supports and 39 driving wheels.
Detailed Description
The technical solutions of the present invention are described in detail below with reference to the accompanying drawings and embodiments, and the scope of protection of the present invention includes but is not limited thereto. The device structure not mentioned in detail in the utility model can adopt the conventional technology in the field.
The first implementation mode comprises the following steps:
as shown in fig. 1-2, the bending unit of the metal plate flanging machine of the present invention is provided with a bottom plate 20, a first wall plate 201, a second wall plate 202, a supporting beam 203, a transmission shaft 21, a flanging tool assembly 22, a fixed tool holder 23 and a rotary tool holder 24;
the first wallboard 201 and the second wallboard 202 are oppositely arranged at the left end and the right end of the bottom plate 20 in a left-right mode, and a supporting cross beam 203 and a transmission shaft 21 are transversely arranged at the top end between the first wallboard 201 and the second wallboard 202; during specific implementation, the bottoms of the first wallboard 201 and the second wallboard 202 are respectively installed at the left end and the right end of the bottom plate 20 through bolts, the two ends of the supporting beam 203 respectively penetrate through the first wallboard 201 and the second wallboard 202 and are fixed on the first wallboard 201 and the second wallboard 202 through threads at the two ends of the beam, and the supporting beam 203 can fix the first wallboard 201 and the second wallboard 202;
the left end and the right end of the transmission shaft 21 are respectively provided with a synchronous pulley 211 and a synchronous bearing 212, the synchronous bearings 212 respectively penetrate through synchronous bearing holes formed in the upper ends of the first wall plate 201 and the second wall plate 202, the synchronous bearing 212 at one end is connected with a synchronous speed reducing motor 214, driven synchronous pulleys 215 matched with the synchronous pulleys 211 are respectively arranged on the inner sides of the first wall plate 201 and the second wall plate 202, and an annular synchronous belt 216 is arranged between the driven synchronous pulleys 215 and the synchronous pulleys 211; in specific implementation, tooth grooves with equal intervals are arranged on the outer surface of the synchronous pulley 211, the annular synchronous belt 216 is an inner single-sided tooth synchronous belt, the tooth shape of the synchronous belt is an arc tooth, and during movement, the tooth grooves on the outer surface of the synchronous pulley 211 are meshed with the tooth teeth on the inner side of the annular synchronous belt 216 to transmit movement and power;
as shown in fig. 3-5, the edge pressing knife assembly 22 comprises an edge pressing knife 220 at the lower part and an edge pressing knife fixing plate 221 at the upper part, as shown in fig. 5, the side surface of the edge pressing knife 220 is shaped like a duck foot, the top of the duck foot is provided with a fixing end 2205, the bottom of the duck foot is horizontal, the front end of the duck foot is provided with a front rake α, and in the specific implementation, the front rake α adopts a 45 ︒ angle;
in specific implementation, as shown in fig. 4-5, the edge pressing knife fixing plate 221 is a square plate, the width of the square plate is greater than the length of the bottom plate 20, the bottom of the edge pressing knife fixing plate 221 is provided with a mounting region 2210, the width of the mounting region 2210 is smaller than the length of the bottom plate 20, pressing plates 225 are welded side by side in the mounting region 2210, the height of the pressing plates 225 is smaller than the height of the mounting region 2210, and a fixed end 2205 at the top of the edge pressing knife 220 is arranged at the bottom of the pressing plates 225 and is fixed; in specific implementation, the pressing block 224 is fixed on the pressing plate 225 through bolts, the pressing plate 225 presses the fixed end 2205 at the upper end of the edge pressing knife 220 downwards, and the mounting area 2210 cooperates with the pressing block 224 to press the front end and the rear end of the edge pressing knife 220, so that the edge pressing knife 220 is pressed and fixed on the edge pressing knife fixing plate 221; in specific implementation, more than two pressing blocks 224 are arranged, and the number of the pressing blocks 224 is adaptively adjusted according to the width of the edge pressing knife 220 so as to meet the bending production requirements of workpieces with different widths;
a toothed plate fixing seat 222 and a blank pressing cutter sliding block 223 are fixed at the left end and the right end of the upper part of the blank pressing cutter fixing plate 221 through bolts, a toothed plate 2221 is arranged on the toothed plate fixing seat 222, the annular synchronous belt 216 is sleeved between the toothed plate 2221 and the toothed plate fixing seat 222, the toothed plate 2221 is fixed on the toothed plate fixing seat 222 through bolts, the annular synchronous belt 216 is pressed on the toothed plate fixing seat 222, a toothed groove is formed in the toothed plate 2221, and the toothed groove is meshed with toothed teeth on the annular synchronous belt 216; the edge pressing knife sliding blocks 223 at each end of the edge pressing knife fixing plate 221 are more than two, as shown in fig. 1, edge pressing knife sliding rails 2231 matched with the edge pressing knife sliding blocks 223 are arranged on one sides, located on the edge pressing knife assembly 22, of the first wall plate 201 and the second wall plate 202, and the edge pressing knife sliding blocks 223 are installed on the edge pressing knife sliding rails 2231; when the annular synchronous belt 216 moves, the toothed plate 2221 drives the toothed plate fixing seat 222 to drive the blank holder assembly 22 to move, and the blank holder assembly 22 slides up and down along the blank holder sliding track 2231 under the driving of the blank holder slide block 223;
as shown in fig. 1-2, a pressing bar supporting block 226, a pressing bar 227, a pressing bar cylinder 228 and a pressurizing cylinder 229 are arranged on the outer sides of a first wallboard 201 and a second wallboard 202 from bottom to top, the pressing bar supporting block 226, the pressing bar 227, the pressing bar cylinder 228 and the pressurizing cylinder 229 are corresponding to the left end and the right end of the pressing bar cutter assembly 22, the pressing bar supporting block 226 is fixed on one side, away from the pressing bar cutter fixing plate 221 of the pressing bar cutter assembly 22, of the first wallboard 201 or the second wallboard 202, the pressing bar cylinder 228 is obliquely fixed in the middle of the first wallboard 201 or the second wallboard 202, the pressing bar 227 is fixed on a cylinder slider of the pressing bar cylinder 228 through bolts, in the specific implementation, nuts are arranged on two sides of the bottom of the pressing bar 227, the pressing bar 227 can be driven by the cylinder slider to move on the first wallboard 201 or the second wallboard 202 in a translational manner along the pressing bar cylinder 228, the pressing bar cylinder 229 is fixed in the middle of the first wallboard 201 or the second wallboard 202, a piston rod of the pressurizing cylinder 229 is fixed on the middle of the first wallboard 201 or the wallboard 202, a piston rod of the pressurizing cylinder 229, the piston rod of the pressurizing cylinder 229 is downward opposite to the middle of the pressing bar cylinder 227, in a translational manner, the pressing bar 35100, in a rodless cylinder 228, in a state, the pressing bar cylinder 228, the pressing bar cylinder is preferably adopted, the pressing bar cylinder 228, the pressing bar cylinder is in a state, the pressing bar cylinder, the pressing bar;
as shown in fig. 3 and fig. 6-7, a fixed knife holder 23 is arranged on the bottom plate 20 and vertically opposite to the edge pressing knife 220, and the fixed knife holder 23 is fixed on the bottom plate 20 by bolts; the fixed knife blocks 23 are adjacently provided with rotating knife blocks 24; in the embodiment, the fixed knife 231 and the rotary knife 241 are both plate shearing machine blades, which are provided with mounting holes, and the height and the width of the blades can be adaptively selected according to the size of a machined workpiece and can be directly mounted after being purchased in the market; one side of the fixed knife 231 close to the rotating knife 241 is vertically opposite to the edge of the edge pressing knife 220; in specific implementation, in the installation state, the upper surfaces of the fixed knife holder 23, the fixed knife 231, the rotating knife 241 and the rotating knife holder 24 are horizontal; in specific implementation, when the edge pressing knife assembly 22 moves downwards under the driving of the annular synchronous belt 216, the workpiece to be bent can be tightly pressed between the edge pressing knife 220 and the fixed knife holder 23 and the fixed knife 231;
a rotary table 242 and a gear bearing 243 are respectively arranged at the left end and the right end of the rotary tool apron 24 from inside to outside, the rotary table 242 is fixed at one end, away from the fixed tool apron 23, of the outer side of the rotary tool apron 24 through bolts, the gear bearing 243 is fixed on the rotary table 242 through screws, and the gear bearing 243 is arranged in corresponding bearing holes in the first wall plate 201 and the second wall plate 202 on the outer side of the rotary tool apron 24; a pinion 244 is meshed with a gear bearing 243 at one end of the rotary knife holder 24, the pinion 244 is arranged in a corresponding small bearing hole on the first wall plate 201 or the second wall plate 202, and the pinion 244 is connected with a corresponding rotary knife holder speed reducing motor 245 outside the first wall plate 201 or the second wall plate 202; in specific implementation, the rotating tool apron reducing motor 245 provides power for the pinion 244, and the pinion 244 drives the gear bearing 243 to rotate, so that the rotating tool apron 24 is driven by the left and right rotating tables 242 to rotate or open along the direction that the rotating tool 241 axially fixes the tool apron 23; during specific implementation, the rotation angle of the rotary tool apron can be adjusted by adjusting the rotary tool apron speed reducing motor 245 to change the rotation angle of the pinion according to the requirement of the flanging angle of the workpiece to be processed, so that the flanging angle required by the workpiece can be obtained; in the embodiment, as long as any bending angle within the range of the front rake angle of the edge pressing cutter 220 is not exceeded, namely 0-135 ︒, the method can be easily realized, and the operation is simple;
as shown in fig. 6, a slot-shaped positioning bracket 25 is fixed to the middle part of the outer side of the rotary tool apron 24 by a bolt, a positioning cylinder block 251 is arranged at the bottom of the positioning bracket 25, the positioning cylinder block 251 is fixed to two parallel guide grooves 252 arranged at the bottom of the groove by screws, a corner cylinder 253 is mounted on the positioning cylinder block 251, a rotating arm 254 and a clamping jig 255 mounted at the end part of the rotating arm 254 are arranged at the top end of a rotating shaft of the corner cylinder 253, and the clamping jig 255 faces the rotary tool apron 24; in specific implementation, the positioning cylinder block 251 can be manually adjusted to a proper position in the parallel guide groove 252 according to the length requirement of a workpiece to be machined, specifically, when the length of the workpiece to be machined is shortened, the screw for fixing the positioning cylinder block 251 can be loosened, the positioning cylinder block 251 is moved to a proper position in the parallel guide groove 252 towards the direction of the rotary tool holder 24, and then the screw is screwed to fix the positioning cylinder block 251, so that the positions of the corner cylinder 253 and the clamping jig 255 are adjusted; in specific implementation, the corner cylinder 253 adopts a hadk 90ACK corner cylinder, when a workpiece to be processed is fed or discharged from the bending unit 2, the corner cylinder 253 rotates the clamping jig 255 into the groove of the positioning bracket 25 through rotation of the rotating arm 254, so that the workpiece to be processed can pass through the positioning bracket 25, the corner cylinder 253 rotates the clamping jig 255 out of the groove of the positioning bracket 25 through rotation of the rotating arm 254, and the clamping jig 255 extends out to perform front and rear positioning of the workpiece;
as shown in fig. 7, positioning stoppers 26 are symmetrically arranged on the outer side of the fixed tool apron 23, and each positioning stopper 26 is correspondingly provided with a horizontal cylinder 261 and a vertical cylinder 262; the horizontal cylinder 261 is fixed on the outer side of the fixed tool apron 23 through a bolt, the vertical cylinder 262 is fixed on a connecting plate 263 on the horizontal cylinder 261 through a bolt, and the connecting plate 263 can move left and right at one end of the fixed tool apron 23 along the horizontal cylinder 261; the positioning stopper 26 is fixed on the front cover of the vertical cylinder 262, and the positioning stopper 26 can move up and down along the vertical cylinder 262 to extend or retract. In a specific implementation, in a standby state, the left and right positioning stoppers 26 are retracted below the plane of the fixed tool apron 23, when a workpiece to be machined is fed to the bending unit 2 and passes through the clamping jig 255, the left and right vertical cylinders 262 respectively push the left and right positioning stoppers 26 out of the plane of the fixed tool apron 23, and the left and right horizontal cylinders 261 simultaneously drive the vertical cylinders 262 and the positioning stoppers 26 to move left and right, so that the left and right ends of the workpiece to be machined are limited within a required range; in specific implementation, the horizontal cylinder 261 is a Adek type coupling rodless cylinder, and the vertical cylinder 262 is a Adek type double-shaft cylinder.
In this embodiment, as shown in fig. 1, the bending unit 2 is further provided with a safety cylinder 51, the safety cylinder 51 is disposed inside the first wall plate 201 and the second wall plate 202 of the bending unit 2, the safety cylinder 51 is located at the side of the synchronous pulley 211 and is parallel to the synchronous pulley 211, and a cylinder slider of the safety cylinder 51 is connected to the toothed plate fixing seat 222 of the blank holder assembly 22 through a connecting block. In specific implementation, the safety cylinder 51 is preferably a 2MS rodless cylinder of the alder type, and the length of the cylinder is equivalent to that of the synchronous pulley 211; the safety cylinder 51 of setting can cooperate pinion rack fixing base 222 and blank pressing sword slider 223 to inject blank pressing sword subassembly 22 in the specific area of unit 2 of bending, drives blank pressing sword subassembly 22 at synchronous pulley 211 and reciprocates the in-process along blank pressing sword slip track 2231, and the cylinder slider on the safety cylinder 51 is along the corresponding upper and lower and drag blank pressing sword subassembly 22 of blank pressing sword slider 223, avoids blank pressing sword subassembly 22 to fall suddenly and produces the incident.
The second embodiment:
figures 8-9 show the overall structure of a sheet metal flanging machine equipped with the bending unit 2 of figure 1;
the metal plate flanging machine is provided with a base 1, a bending unit 2 and a conveying unit 3 are arranged on the base 1, and in the specific implementation, the metal plate flanging machine is provided with a corresponding control system which is arranged in a control cabinet and is provided with a corresponding control button or a human-computer operation interface; the number of the bending units 2 is two, and a ball screw 4 is further arranged on the base 1; the two bending units 2 are adjacent and arranged back to back; in the two bending units 2, the bottom plates of the rear bending unit 2 are fixed at the left end and the right end of the base 1; the left end and the right end of the base 1 are provided with a sliding rail 11 and a corresponding rail sliding block 12, the rail sliding blocks 12 are fixedly arranged at the bottom of a bottom plate 20 of the front bending unit 2, and the bottom of the bottom plate 20 is connected with the ball screw 4; in specific implementation, a nut seat matched with a nut of the ball screw 4 is fixed at the bottom of the bottom plate 20 through a bolt, the nut of the ball screw 4 is installed on the nut seat, and the ball screw is connected with a corresponding screw servo motor; in the two bending units 2, the front bending unit 2 is arranged on the base 1 in a sliding mode, the rear bending unit 2 is fixedly arranged on the base 1, when the metal plate flanging machine works, the rear bending unit 2 is fixed, the front bending unit 2 can move back and forth along the sliding track 11 under the action of the screw servo motor and the ball screw 4, the width between the two bending units 2 is adjusted adaptively according to the width of a workpiece to be machined, and in specific implementation, the bending position and the bending height of the workpiece can be adjusted only by driving the ball screw through the screw servo motor to adjust the width between the two bending units 2; in specific implementation, more than two track sliders 12 are correspondingly arranged on each sliding track 11, the plurality of track sliders 12 can support the bottom plate 20 of the bending unit 2 on one hand, and can play a standby role on the other hand, and once the track sliders are damaged, other track sliders can be directly replaced for use;
groove-shaped positioning brackets 25 are fixed in the middle of the outer sides of the rotary tool holders of the two bending units 2; when the bending device is specifically implemented, in a standby state, the clamping jigs of the two bending units 2 are rotated and retracted in the grooves of the positioning support 25, when a processing workpiece is fed to the bending units 2 and passes through the clamping jigs, the clamping jig outside the rotating tool apron of the front bending unit extends out to abut against the front end of the processing workpiece, and the clamping jig outside the rotating tool apron of the rear bending unit extends out to abut against the rear end of the workpiece, so that the workpiece is positioned forwards and backwards;
as shown in fig. 9 to 10, the conveying unit 3 is provided with a truss 30, a support frame 31, a conveying slide rail 32, a conveying mechanism 33, a telescopic cylinder 34 and a telescopic shaft 341; the front end of the front bending unit and the rear end of the rear bending unit are both provided with a support frame 31; the number of the support frames 31 is more than 2, the support frames are arranged in bilateral symmetry, the conveying slide rails 32 are arranged on the support frames 31 and correspond to the support frames 31 one by one, the support frames 31 are arranged in groups, one group of the support frames 31 is fixed on the outer side of the bottom plate 20 of the bending unit 2, the other group of the support frames 31 is fixed on the truss 30, and the two groups of the support frames 32 are arranged in a; as shown in fig. 9, the heights of all the support frames 31 are the same, the relative positions of the two groups of support frames 31 can be adaptively changed according to the width between the two bending units 2, when the lead screw servo motor drives the ball screw 4 to move the front bending unit 2 back and forth along the sliding track 11, the group of support frames 31 fixed on the bottom plate 20 of the front bending unit 2 adaptively moves, the two groups of support frames 31 relatively move, and the workpiece to be conveyed can still be supported on the support frames 31; during specific operation, after the machined workpiece enters the conveying unit 3, the machined workpiece is placed on the support frame 32 and moves back and forth along the conveying slide rail 32, so that the workpiece is conveyed smoothly; in specific implementation, the conveying slide rail 32 is preferably a smooth strip, so that the conveying of the processed workpiece is facilitated;
as shown in fig. 10, the conveying mechanism 33 includes a conveying speed reducing motor 35, two parallel conveyor belts 36, a front bracket 37, a rear bracket 38, and a driving wheel 39, wherein the two parallel conveyor belts 36 are respectively disposed on the left and right sides of the positioning bracket 25; the front and rear ends of the front bracket 37 and the rear bracket 38 are respectively provided with a driving wheel 39, the driving wheels 39 are symmetrically arranged in groups left and right along each bracket, two conveying belts 36 are sleeved on each group of driving wheels 39 in parallel and are respectively connected end to end, and one group of the driving wheels 39 is connected with a conveying speed reducing motor 35;
in specific implementation, as shown in fig. 10, the front support 37 and the rear support 38 are both provided as a left support and a right support which are parallel, the conveyor belt 36 is sleeved on all the drive wheels and bypasses all the drive wheels 39, two parallel closed loops are formed on the front support 37 and the rear support 38, and the conveyor belt passing through the bending unit 2 passes through the lower part of the bottom plate 20 during specific installation; when the transmission speed reducing motor 35 works, the transmission wheel 39 connected with the transmission speed reducing motor 35 rotates to drive other transmission wheels and the conveyor belt to integrally rotate, the parallel conveyor belt at the upper end of the front support 37 forms a workpiece feeding and conveying table, and the parallel conveyor belt at the upper end of the rear support 38 forms a workpiece discharging and conveying table;
the front end of the rear bracket 38 is fixed on the outer side of the bottom plate 20 of the rear bending unit 2 through bolts, and the rear end is fixed on the truss 30; a front lifting cylinder 371 and a rear lifting cylinder 372 are respectively arranged at the front end and the rear end of the front bracket 37, one end of the front lifting cylinder 371 is fixed on the truss 30, the other end of the front lifting cylinder 371 is fixed on a cylinder support 374 at the front end of the front bracket 37, one end of the rear lifting cylinder 372 is fixed on the bottom plate 20 of the front bending unit 2 through a cylinder connecting plate 373, and the other end of the rear lifting cylinder 372 is fixed on the cylinder support 374 at the rear end of the front bracket 37; in specific implementation, the front lifting cylinder 371 and the rear lifting cylinder 372 both adopt an ideke type double-shaft cylinder, when the front lifting cylinder and the rear lifting cylinder 372 are connected specifically, mounting holes are respectively formed in a cylinder fixing plate and a cylinder body, when the rear lifting cylinder 372 is mounted, the front lifting cylinder is mounted on the cylinder connecting plate 373 through the mounting holes in the cylinder fixing plate, and the cylinder supporting piece is mounted through the mounting holes in the cylinder body, so that when the rear lifting cylinder 372 works, the cylinder supporting plate is lifted or lowered by the lifting cylinder subsequently, and accordingly the rear end of the front bracket 37 is driven to lift or lower;
the front bracket 37 consists of a first bracket 375 and a second bracket 376 at the front end thereof, a bracket supporting member 377 is arranged at the connecting end of the first bracket 375 and the second bracket 376, an extension area 378 is arranged at the end of the bracket supporting member 377 of the first bracket 375 or the second bracket 376, a slide way is arranged in the lower part of the extension area 378 and the corresponding first bracket 375 or the second bracket 376, and the first bracket 375 or the second bracket 376 can be slidably arranged on the slide way of the other bracket; in specific implementation, when the front bending unit 20 moves back and forth along the sliding track 11, the first bracket 375 can correspondingly move back and forth relative to the second bracket 376, and the conveyor belt 36 can tension or contract adaptively to continue conveying the workpiece;
the telescopic cylinder 34 is horizontally fixed between a support 377 and a cylinder support 374 at the front end of the rear lifting cylinder 372, as shown in fig. 11, a telescopic shaft support 379 is arranged at the rear end of the support 377, and the telescopic shaft support 379 is installed on the telescopic cylinder 34 and can move back and forth along with the telescopic cylinder 34; the number of the telescopic shafts 341 is 2, one end of each telescopic shaft 341 is fixed on a telescopic shaft support 379, and the other end of each telescopic shaft 341 passes through an opening at the top end of the cylinder support 374 at the front end of the rear lifting cylinder 372; when the telescopic cylinder is implemented specifically, the telescopic cylinder is a Suideke type coupling rodless cylinder, one end of the fixed end of the cylinder is fixed on the support piece through a screw, the other end of the fixed end of the cylinder is fixed on the cylinder support piece at the front end of the rear lifting cylinder through a screw, the telescopic shaft support piece for mounting the telescopic shaft is fixed on the sliding block of the cylinder through a screw, and when the sliding block of the cylinder moves back and forth, the telescopic shaft support piece 379 drives the telescopic shaft 341 to move back and forth, so that the telescopic shaft 341 extends or retracts towards the bending unit 2; in specific implementation, the telescopic shaft adopts an optical axis;
the utility model discloses in, telescopic shaft 341 can realize bridging and pushing material effect simultaneously, during the concrete implementation, when the work piece by the preceding unit of bending get into the unit of bending after the unit of bending transport material loading in-process, the work piece front end because of the action of gravity downward sloping, easily block in the neutral gear in the middle of the unit of bending two, appear "take off the head" phenomenon, the utility model discloses a sheet metal flanging machine, before work piece transport material loading, start telescopic cylinder 34 earlier and stretch out two telescopic shafts 341, two telescopic shafts 341 form "bridging" between the unit of bending before and the unit of bending after, the work piece gets into the work table surface that the unit of bending two is formed by fixed blade holder and rotatory blade holder along the bridging material loading that telescopic shaft 341 formed, has avoided "taking off the head" phenomenon, telescopic cylinder 34 drives telescopic shaft 341 promptly after the work piece material loading is accomplished; after the workpiece is subjected to front and back double folding on the two bending units, the front end and the back end of the workpiece are not in contact with the conveyor belt, the conveyor belt cannot drive the workpiece to be discharged, at the moment, the telescopic cylinder 34 drives the telescopic shaft 341 to extend out, the workpiece is pushed by the telescopic shaft 341 to enter the conveyor belt at the back end of the back bending unit 2 backwards, and the conveyor belt drives the workpiece to be conveyed backwards for discharging;
in the utility model, in the specific implementation, under the standby state, the front lifting cylinder 371 and the rear lifting cylinder 372 lower the front support 37 to the position below the conveying table surface of the conveying slide rail 32, the workpiece firstly enters the conveying slide rail 32 of the support frame 31 at the front end of the front bending unit 2, after the sheet metal flanging machine finishes the folding and blanking of the previous workpiece, the front lifting cylinder 371 and the rear lifting cylinder 372 lift the front support 37 to the conveying table surface of the conveying slide rail 32, meanwhile, the telescopic cylinder 34 extends the telescopic shaft 341 to the upper bridge of the two bending units 2, the conveyor belt drives the workpiece to feed to the working table surface of the two bending units along the conveying slide rail 32, after the feeding is in place, the telescopic cylinder 34 drives the telescopic shaft 341 to return, the front lifting cylinder 371 and the rear lifting cylinder 372 drive the front support 37, the bending units start to work, after the edge folding, the front lifting cylinder 371 and the rear lifting cylinder 372 drive the front support 37 to rise, telescopic cylinder 34 drives telescopic shaft 341 and stretches out, and on the work piece got into the conveyer belt of the 2 rear ends of back bending unit after telescopic shaft 341 promoted down, telescopic cylinder 34 drove telescopic shaft 341 return, and preceding lift cylinder 371 and back lift cylinder 372 drove fore-stock 37 return, and the conveyer belt of the unit rear end of bending drove the work piece and carries the unloading backward.
The sheet metal hemming machine of the present embodiment operates as follows:
1. feeding:
a workpiece enters a support frame 32 of a conveying unit 3 at the front end of a front bending unit 2, a clamping jig is rotated and retracted by a corner cylinder of the front bending unit 2, a front lifting cylinder 371 and a rear lifting cylinder 372 lift a front support 37 to a conveying table top where a conveying slide rail 32 is located, meanwhile, a telescopic shaft 341 is extended out of a telescopic cylinder 34 to an upper bridge of the two bending units 2, a conveyor belt drives the workpiece to feed materials to the working table top on the two bending units along the conveying slide rail 32 under the driving of a conveying speed reducing motor, the telescopic cylinder 34 drives the telescopic shaft 341 to return after the materials are fed in place, and the front lifting cylinder 371 and the rear lifting cylinder 372 drive the front support 37 to return;
2. positioning:
the horizontal cylinder and the vertical cylinder of the two bending units 2 work to extend the positioning stop and push the workpiece to move left and right to a set position; the clamping jig is rotationally extended out by the corner cylinders of the two bending units 2 to respectively clamp the front end and the rear end of the workpiece;
3. and (3) compacting:
the synchronous speed reducing motors of the two bending units 2 start the synchronous belts to drive the edge pressing cutter assembly to move downwards, and the workpiece is pressed between the edge pressing cutter and the fixed cutter holder; the pressing strip cylinder drives the pressing strip to translate along the cylinder slide block to the direction of the pressing strip cutter assembly, a nut at one end of the pressing strip is pressed on the pressing strip supporting block, and a nut at the other end of the pressing strip is pressed on the upper end of the pressing strip cutter fixing plate; the pressurizing cylinder drives the piston rod to extend out and contact and pressurize the pressing strip, and the edge pressing cutter assembly is tightly pressed on the fixed cutter holder;
4. bending:
the rotating tool apron speed reducing motor drives the pinion to rotate so as to drive the gear bearing to rotate, the rotating tool apron drives the rotating tool to rotate towards the fixed tool apron direction so as to bend the workpiece inwards, the workpiece completes the front edge folding of the workpiece in the front bending unit 2, the rear edge folding of the workpiece is completed in the rear bending unit 2, and meanwhile double edge folding is realized; after the edge folding is finished, the rotary cutter holder drives the rotary cutter to open and restore to the working table surface;
5. loosening:
the pressurizing cylinder drives the piston rod to contract away from the pressing strip, the pressing strip cylinder drives the pressing strip to translate along the cylinder slide block along the direction of the supporting block, and the pressing strip is retracted to the side away from the edge pressing knife combination; the synchronous speed reducing motors of the two bending units 2 start the synchronous belts to drive the edge pressing cutter assembly to move upwards, and the processing workpiece is left on the working table surface between the two bending units; the horizontal cylinder and the vertical cylinder of the two bending units 2 work, and the positioning stop is retracted below the working table;
6. blanking:
the rotary angle cylinder of the back unit 2 that bends withdraws the centre gripping smelting tool rotation, and preceding lift cylinder 371 and back lift cylinder 372 drive fore-stock 37 and rise, and telescopic cylinder 34 drives telescopic shaft 341 and stretches out, and the work piece gets into the conveyer belt of the 2 rear ends of back unit 2 that bend after the telescopic shaft 341 promotes down, and telescopic cylinder 34 drives telescopic shaft 341 return, and preceding lift cylinder 371 and back lift cylinder 372 drive fore-stock 37 return, and the conveyer belt of the unit rear end of bending drives the work piece and carries the unloading backward.
In the embodiment, during specific implementation, the operations of lifting the edge pressing knife, rotating the edge by the rotating knife seat, feeding and discharging the plate workpiece and the like are realized by the bending unit of the metal plate flanging machine and the motors of the flanging machine, and the motors are electrically connected with the control system by adopting servo motors, so that the full-automatic control intelligent plate flanging process of feeding, positioning, compressing, bending, loosening and discharging is formed by the operation of the workpiece on the flanging machine and the bending unit. Or only the front folding edge or the rear folding edge of the workpiece is machined and finished in the workpiece bending process according to the machining change requirements of the workpiece.
During the concrete implementation, sheet metal flanging machine can also set up response lamp 52, as shown in fig. 8, response lamp 52 sets up in the wallboard one or two lower extremes of wallboard of unit 2 of bending, and during the concrete implementation, response lamp 52 adopts both ends head fixed and circular telegram, and in case operating personnel gets into the response region, unit 2 that bends stops work promptly, avoids appearing personnel's damage.
Practice shows that the metal plate flanging machine can simultaneously and quickly realize front and back bidirectional flanging of the same workpiece, so that the working efficiency is improved; the processed workpieces have uniform size and good consistency.
In this embodiment, as shown in fig. 12 to 13, the edge pressing knife 220 may also be designed in the form of an edge pressing knife main body 2201 and a terminal assembly 2202, where 2 terminal assemblies 2202 are provided; the 2 end head assemblies 2202 are respectively and symmetrically arranged at the left end and the right end of the blank holder main body 2201 and are in left-right mirror symmetry; in specific implementation, the fixed end 2205 of the main body 2201 of the edge pressing cutter is fixed in the middle of the mounting region 2210 by pressing through the pressing block 224, and the end assemblies 2202 are respectively fixed at the left and right ends of the main body 2201 of the edge pressing cutter by the same pressing block to form the combined edge pressing cutter 220; in specific implementation, the width of the blank holder main body 2201 can be adaptively adjusted according to the width of a workpiece to be processed and bent, and the blank holder 220 can be assembled by only determining the width of the blank holder main body 2201 and then matching the left end and the right end with the end assembly 2202;
as shown in fig. 14, the end head assembly 2202 comprises a fixed duck foot 2203 and a movable duck foot 2204, wherein the movable duck foot 2204 is arranged outside the fixed duck foot 2203, in a compaction state, as shown in fig. 15-16, the inner end surface and the outer end surface of the end head assembly 2202 are both shaped like a duck foot, the top of the duck foot is provided with a fixed end 2205, the front end of the duck foot is provided with a front inclination angle α, as shown in fig. 17, the bottom of the outer end of the duck foot is provided with an outer inclination angle β;
as shown in fig. 21-23, the outer side of the fixed duck foot has a sliding outer inclined surface 2203A inclined downward from outside to inside, a "convex" shaped sliding groove 2208 is arranged on the sliding outer inclined surface 2203A, and a kidney-shaped groove 2209 is arranged at the lower part in the sliding groove 2208; the sliding outer ramp 18 has a sliding inclination γ;
as shown in fig. 18-20, the inner side of the movable duck foot 2204 is provided with a sliding inner inclined surface 2204A matched with the sliding outer inclined surface 2203A, the sliding inner inclined surface 2204A is provided with a convex sliding column 2207 matched with a sliding groove 2208, the sliding column 2207 is provided with a round hole 2209A matched with the oval groove 2209, and a hexagon socket screw is arranged between the round hole 2209A and the oval groove 2209;
as shown in fig. 21 and 14, a positioning key 2206 is arranged on the fixed duck foot 2203 at the joint surface of the fixed duck foot 2203 and the movable duck foot 2204 to connect the fixed duck foot 2203 with the movable duck foot 2204.
In specific implementation, the fixed duck feet 2203 and the movable duck feet 2204 form an end head assembly 2202, at the moment, the sliding column 2207 of the movable duck feet 2204 is obliquely inserted into the sliding groove 2208 of the fixed duck feet 2203 and is completely attached to the fixed duck feet 2203, and the sliding column 2207 can obliquely move up and down along the sliding groove 2208, so that the movable duck feet 2204 can obliquely move up and down relative to the fixed duck feet 2203; in the utility model, the sliding inclination angle gamma is preferably 43-47 degrees, when gamma is smaller than 43 degrees, the movable duck feet 2204 relatively fix the duck feet 2204 and stretch out too much, so that the whole width of the combined side pressing knife 220 is too large, which is not beneficial to avoiding the left and right wallboards when the side pressing knife 220 integrally moves up and down, when gamma is larger than 47 degrees, the side pressing knife 220 compresses downwards, and the movable duck feet 2204 are not beneficial to being folded inwards relative to the fixed duck feet 2204 due to the gravity effect; in the utility model, the sliding chute 2208 and the sliding column 2207 are designed into a convex shape, the space at the bottom of the convex shape can ensure that the movable duck feet 2204 can realize the inclined insertion combination and the convenient relative sliding up and down through the sliding column 2207 and the fixed duck feet 2203, and the narrow space at the top of the convex shape also avoids the movable duck feet 2204 from separating from the fixed duck feet 2203 due to the separation of the sliding column 2207 and the sliding chute 2208 in the up-and-down moving process; because the sliding outer inclined plane 2203A of the fixed duck feet 2203 inclines downwards from outside to inside, when the movable duck feet 2204 move downwards, the movable duck feet 2204 move downwards along the sliding outer inclined plane 2203A of the fixed duck feet 2203 in an inclined mode, namely extend inwards in an inclined mode, and when the movable duck feet 2204 move upwards, the movable duck feet 2204 slide upwards in an inclined mode along the sliding outer inclined plane 2203A in an inclined mode, namely retract in an inclined mode; the kidney-shaped groove 2209 and the positioning key 2206 play a limiting role in the movement of the movable duck foot 2204, the kidney-shaped groove 2209 enables the movable duck foot 2204 to move along the sliding groove 2207 in the downward moving process without being separated from the bottom of the fixed duck foot 2203 and falling off, and the positioning key 2206 enables the movable duck foot 2204 to move upwards until the movable duck foot 2204 is completely attached to the fixed duck foot 2203 and then cannot move upwards to be separated from the top of the fixed duck foot 2203;
fig. 24 shows that during the operation of pressing down the edge pressing knife to press the workpiece 6 and releasing the workpiece 6 after bending, the edge pressing knife is above the workpiece 6, at this time, the movable duck foot 2204 of the end assembly at the left end or the right end of the pressing knife moves downward obliquely to extend, the lower end of the outer side of the end assembly 2202 retracts inward, the outer side of the movable duck foot 2204 is spaced from the inner hem 61, in the diagram b, the end assembly moves down integrally with the edge pressing knife, the outer side of the movable duck foot does not collide with the inner hem and moves down to approach the upper surface of the workpiece, in the diagram C, the edge pressing knife moves down continuously, the movable duck foot moves down obliquely to avoid the fixed duck foot, the outer side of the movable duck foot extends outward continuously to the side of the workpiece 6, the movable duck foot completely fits with the fixed angle, the bottom side of the movable duck foot completely reaches the outermost side of the workpiece 6, due to the outer side of the movable duck foot has an outer inclination angle β, the movable duck foot moves down continuously to the side of the workpiece 6, when the movable duck foot moves down, the movable duck foot does not collide with the inner hem 61, the movable duck foot does not move up, the movable duck foot does not move downward, the movable duck foot contacts the inner hem, the movable duck foot moves up and the movable duck foot does not easily, the movable duck foot moves up when the movable duck foot moves, the movable duck foot contacts the movable duck foot moves to reach the upper surface, the upper hem, the upper surface of the movable edge folding edge, the movable duck foot does not easily, the movable duck foot, the movable edge pressing knife, the movable duck foot does not easily, the movable duck foot contacts the movable duck foot, the movable duck foot does not contact angle is equal to reach the upper hem when the upper edge, the upper edge pressing knife, the upper hem 61, the movable duck foot, the upper.
In the utility model, the workpiece moves from front to back according to the front and back defined by the moving direction of the workpiece when the edge folding machine works; the left side and the right side are defined according to the forward and backward movement direction of the workpiece, and the left side of the forward movement direction of the workpiece is left; the inside and outside are defined according to the relative position between each unit or component of the flanging machine, if the wallboard is arranged between the wallboard I and the wallboard II, the cutter holder is arranged between the fixed cutter holder and the rotating cutter holder, the edge pressing cutter is arranged in the end assembly, and the like, so that the technical personnel in the field can understand the relative position relationship of each component and assemble each component according to the content of the utility model;
various parts of the flanging machine are fixed, and the flanging machine comprises a bottom plate, a first wallboard, a second wallboard, a supporting beam, a synchronous bearing, a toothed plate fixing seat, a toothed plate, a pressing strip supporting block, a pressing strip air cylinder, a pressurizing air cylinder, a fixing tool apron, a positioning support, a positioning air cylinder seat, a corner air cylinder, a horizontal air cylinder, a vertical air cylinder, a connecting plate, a supporting frame, a conveying slide rail and the like.
Claims (6)
1. The utility model provides a sheet metal flanging machine unit of bending which characterized in that:
the bending unit (2) is provided with a bottom plate (20), a first wall plate (201), a second wall plate (202), a supporting beam (203), a transmission shaft (21), a blank holder assembly (22), a fixed holder (23) and a rotary holder (24);
the first wallboard (201) and the second wallboard (202) are oppositely arranged at the left end and the right end of the bottom plate (20) in a left-right mode, and a supporting cross beam (203) and a transmission shaft (21) are transversely arranged at the top end between the first wallboard (201) and the second wallboard (202);
the left end and the right end of the transmission shaft (21) are respectively provided with a synchronous pulley (211) and a synchronous bearing (212), the synchronous bearings (212) respectively penetrate through synchronous bearing holes formed in the upper ends of the first wall plate (201) and the second wall plate (202), the synchronous bearing (212) at one end is connected with a synchronous speed reducing motor (214), the inner sides of the first wall plate (201) and the second wall plate (202) are respectively provided with a driven synchronous pulley (215) matched with the synchronous pulley (211), and an annular synchronous belt (216) is arranged between the driven synchronous pulley (215) and the synchronous pulley (211);
the edge pressing knife assembly (22) comprises an edge pressing knife (220) at the lower part and an edge pressing knife fixing plate (221) at the upper part; the side surface of the side pressing knife (220) is shaped like a duck foot, and the top of the duck foot is provided with a fixed end (2205);
the width of the edge pressing knife fixing plate (221) is greater than the length of the bottom plate (20), the bottom of the edge pressing knife fixing plate (221) is provided with a mounting area (2210) with the width smaller than the length of the bottom plate (20), pressing plates (225) are welded in the mounting area (2210) side by side, the height of each pressing plate (225) is smaller than the height of the corresponding mounting area (2210), and a fixed end (2205) of the top of the edge pressing knife (220) is arranged at the bottom of each pressing plate (225) and is tightly pressed and fixed on the corresponding mounting area (2210) through a pressing block; a toothed plate fixing seat (222) and a blank pressing cutter sliding block (223) are fixed at the left end and the right end of the upper portion of the blank pressing cutter fixing plate (221) through bolts, a toothed plate (2221) is arranged on the toothed plate fixing seat (222), the annular synchronous belt (216) is sleeved between the toothed plate (2221) and the toothed plate fixing seat (222), the toothed plate (2221) is fixed on the toothed plate fixing seat (222) through bolts, the annular synchronous belt (216) is pressed on the toothed plate fixing seat (222), a toothed groove is formed in the toothed plate (2221), and the toothed groove is meshed with teeth on the annular synchronous belt (216); more than two edge pressing knife sliding blocks (223) at each end of the edge pressing knife fixing plate (221), edge pressing knife sliding rails (2231) matched with the edge pressing knife sliding blocks (223) are arranged on one sides, located on the edge pressing knife assembly (22), of the wall plate I (201) and the wall plate II (202), and the edge pressing knife sliding blocks (223) are installed on the edge pressing knife sliding rails (2231);
a batten support block (226), a batten (227), a batten cylinder (228) and a pressurizing cylinder (229) which correspond to the left end and the right end of the edge pressing cutter assembly (22) are arranged on the outer sides of the first wallboard (201) and the second wallboard (202) from bottom to top; the batten support block (226) is fixed on one side of the first wallboard (201) or the second wallboard (202) far away from the edge pressing knife fixing plate (221); the pressing strip air cylinder (228) is obliquely fixed in the middle of the first wallboard (201) or the second wallboard (202), and the pressing strip (227) is fixed on an air cylinder sliding block of the pressing strip air cylinder (228) through bolts; the pressurizing cylinder (229) is fixed in the middle of the first wall plate (201) or the second wall plate (202), and a piston rod of the pressurizing cylinder (229) is downward opposite to the middle part of the upper end of the pressing bar (227);
a fixed cutter holder (23) which is opposite to the edge pressing cutter (220) up and down is arranged on the bottom plate (20), and the fixed cutter holder (23) is fixed on the bottom plate (20) through bolts; the fixed cutter seats (23) are adjacently provided with rotary cutter seats (24); a fixed knife (231) is installed on the inner side of the fixed knife holder (23), and a rotating knife (241) is installed on the inner side of the rotating knife holder (24); one side of the fixed knife (231) close to the rotating knife (241) is vertically opposite to the knife edge of the edge pressing knife (220);
a rotary table (242) and a gear bearing (243) are respectively arranged at the left end and the right end of the rotary tool apron (24) from inside to outside, the rotary table (242) is fixed on one end of the outer side of the rotary tool apron (24) far away from the fixed tool apron (23) through bolts, the gear bearing (243) is fixed on the rotary table (242) through screws, and the gear bearing (243) is arranged in corresponding bearing holes in a first wall plate (201) and a second wall plate (202) on the outer side of the rotary tool apron (24); a pinion (244) is meshed with a gear bearing (243) at one end of the rotary cutter holder (24), the pinion (244) is arranged in a corresponding small bearing hole on the first wall plate (201) or the second wall plate (202), and the pinion (244) is connected with a corresponding rotary cutter holder speed reducing motor (245) outside the first wall plate (201) or the second wall plate (202);
a groove-shaped positioning bracket (25) is fixed in the middle of the outer side of the rotary cutter holder (24); a positioning cylinder seat (251) is arranged at the bottom of the positioning bracket (25), the positioning cylinder seat (251) is fixed on two parallel guide grooves (252) arranged at the bottom of the groove through screws, a corner cylinder (253) is installed on the positioning cylinder seat (251), a rotating arm (254) and a clamping jig (255) installed at the end part of the rotating arm (254) are arranged at the top end of a rotating shaft of the corner cylinder (253), and the clamping jig (255) faces the direction of the rotating tool holder (24);
the positioning stoppers (26) are arranged on the outer side of the fixed cutter holder (23) in bilateral symmetry, each positioning stopper (26) is correspondingly provided with a horizontal cylinder (261) and a vertical cylinder (262), the horizontal cylinder (261) is fixed on the outer side of the fixed cutter holder (23) through bolts, and the vertical cylinder (262) is fixed on a connecting plate (263) on the horizontal cylinder (261) through bolts; the positioning stop (26) is fixed on the front cover of the vertical cylinder (262).
2. A metal sheet hemming machine bending unit according to claim 1 wherein: the blank pressing knife (220) is provided with a blank pressing knife main body (2201) and 2 end head assembly parts (2202), and the number of the end head assembly parts (2202) is 2; the 2 end head assemblies (2202) are respectively and symmetrically arranged at the left end and the right end of the blank holder main body (2201) and are in left-right mirror symmetry;
the end head assembly (2202) is composed of a fixed duck foot (2203) and a movable duck foot (2204), wherein the movable duck foot (2204) is arranged on the outer side of the fixed duck foot (2203), in a compression state, the inner end surface and the outer end surface of the end head assembly (2202) are both shaped like a duck foot, the top of the duck foot is provided with a fixed end (2205), and the bottom of the outer end of the duck foot is provided with an outer inclination angle β;
the outer side of the fixed duck foot is provided with a sliding outer inclined surface (2203A) which inclines downwards from outside to inside, a convex sliding groove (2208) is arranged on the sliding outer inclined surface (2203A), and a waist circular groove (2209) is arranged at the lower part in the sliding groove (2208);
the inner side of the movable duck foot (2204) is provided with a sliding inner inclined surface (2204A) matched with the sliding outer inclined surface (2203A), a convex sliding column (2207) matched with a sliding groove (2208) is arranged on the sliding inner inclined surface (2204A), a round hole (2209A) matched with the waist circular groove (2209) is formed in the sliding column (2207), and an inner hexagonal screw is arranged between the round hole (2209A) and the waist circular groove (2209);
a positioning key (2206) is arranged on the fixed duck foot (2203) at the joint surface of the fixed duck foot (2203) and the movable duck foot (2204) to connect the fixed duck foot (2203) with the movable duck foot (2204).
3. The bending unit of the metal plate flanging machine according to claim 2, wherein the camber angle β of the end assembly (2202) is 15-25 degrees.
4. A metal sheet hemming machine bending unit according to claim 2 wherein: the sliding inclination angle gamma angle of the fixed duck feet (2203) is 43-47 degrees.
5. A metal sheet hemming machine bending unit according to claim 1 wherein: the bending unit (2) is further provided with a safety cylinder (51), the safety cylinder (51) is arranged on the inner side of a first wallboard (201) or/and a second wallboard (202) of the bending unit (2), the safety cylinder (51) is located on the side portion of the synchronous pulley (211) and is parallel to the synchronous pulley (211), and a cylinder sliding block of the safety cylinder (51) is connected to a toothed plate fixing seat (222) of the edge pressing knife assembly (22) through a connecting block.
6. A metal sheet flanging machine provided with a base (1), on which base (1) there is provided a bending unit (2) according to claim 1, and also with a conveying unit (3), characterized in that:
the number of the bending units (2) is two, and a ball screw (4) is also arranged on the base (1); the two bending units (2) are adjacent and arranged back to back; in the two bending units (2), the bottom plates (20) of the rear bending unit (2) are fixed at the left end and the right end of the base (1); sliding rails (11) and corresponding rail sliding blocks (12) are arranged at the left end and the right end of the base (1), the rail sliding blocks (12) are fixedly arranged at the bottom of a bottom plate (20) of the front bending unit (2), and the bottom of the bottom plate (20) is connected with the ball screw (4);
the conveying unit (3) is provided with a truss (30), a support frame (31), a conveying slide rail (32), a conveying mechanism (33), a telescopic cylinder (34) and a telescopic shaft (341);
the front end of the front bending unit and the rear end of the rear bending unit are both provided with a support frame (31); the number of the support frames (31) is more than 2, the support frames are arranged in bilateral symmetry, the conveying slide rails (32) are arranged on the support frames (31) and correspond to the support frames (31) one by one, the support frames (31) are arranged in groups, one group of the group of support frames (31) is fixed on the outer side of a bottom plate (20) of the bending unit (2), the other group of support frames is fixed on a truss (30), and the two groups of support frames (31) are arranged in a staggered mode;
the conveying mechanism (33) comprises a conveying speed reducing motor (35), two parallel conveying belts (36), a front support (37), a rear support (38) and a driving wheel (39), wherein the two parallel conveying belts (36) are respectively arranged on the left side and the right side of the positioning support (25); the front end and the rear end of the front bracket (37) and the rear bracket (38) are respectively provided with a driving wheel (39), the driving wheels (39) are symmetrically arranged in groups along the left and the right of each bracket, two conveying belts (36) are sleeved on each group of driving wheels (39) in parallel and are respectively connected end to end, and one group of the driving wheels (39) is connected with a conveying speed reducing motor (35);
the front end of the rear support (38) is fixed on the outer side of the bottom plate (20) of the rear bending unit (2), and the rear end of the rear support is fixed on the truss (30); the front end and the rear end of the front support (37) are respectively provided with a front lifting cylinder (371) and a rear lifting cylinder (372), one end of the front lifting cylinder (371) is fixed on the truss (30), the other end of the front lifting cylinder is fixed on a cylinder support (374) at the front end of the front support (37), one end of the rear lifting cylinder (372) is fixed on a bottom plate (20) of the front bending unit (2) through a cylinder connecting plate (373), and the other end of the rear lifting cylinder is fixed on the cylinder support (374) at the rear end of the front support (37);
the front bracket (37) consists of a first bracket (375) and a second bracket (376) at the front end of the first bracket (375) and the second bracket (376), a bracket supporting piece (377) is arranged at the connecting end of the first bracket (375) and the second bracket (376), an extension area (378) is arranged at the end of the bracket supporting piece (377) of the first bracket (375) or the second bracket (376), a slide way is arranged in the lower part of the extension area (378) and the corresponding first bracket (375) or the corresponding second bracket (376), and the first bracket (375) or the second bracket (376) can be slidably arranged on the slide way of the other bracket;
the telescopic cylinder (34) is horizontally fixed between a support (377) and a cylinder support (374) at the front end of the rear lifting cylinder (372), a telescopic shaft support (379) is arranged at the rear end of the support (377), and the telescopic shaft support (379) is installed on the telescopic cylinder (34) and can move back and forth along with the telescopic cylinder (34); the number of the telescopic shafts (341) is 2, one end of each telescopic shaft (341) is fixed on a telescopic shaft supporting piece (379), and the other end of each telescopic shaft (341) penetrates through an opening at the top end of a cylinder supporting piece (374) at the front end of the rear lifting cylinder (372);
the bending unit (2) is provided with a bottom plate (20), a first wall plate (201), a second wall plate (202), a supporting beam (203), a transmission shaft (21), a blank holder assembly (22), a fixed holder (23) and a rotary holder (24);
the first wallboard (201) and the second wallboard (202) are oppositely arranged at the left end and the right end of the bottom plate (20) in a left-right mode, and a supporting cross beam (203) and a transmission shaft (21) are transversely arranged at the top end between the first wallboard (201) and the second wallboard (202);
the left end and the right end of the transmission shaft (21) are respectively provided with a synchronous pulley (211) and a synchronous bearing (212), the synchronous bearings (212) respectively penetrate through synchronous bearing holes formed in the upper ends of the first wall plate (201) and the second wall plate (202), the synchronous bearing (212) at one end is connected with a synchronous speed reducing motor (214), the inner sides of the first wall plate (201) and the second wall plate (202) are respectively provided with a driven synchronous pulley (215) matched with the synchronous pulley (211), and an annular synchronous belt (216) is arranged between the driven synchronous pulley (215) and the synchronous pulley (211);
the edge pressing knife assembly (22) comprises an edge pressing knife (220) at the lower part and an edge pressing knife fixing plate (221) at the upper part; the side surface of the side pressing knife (220) is shaped like a duck foot, and the top of the duck foot is provided with a fixed end (2205);
the width of the edge pressing knife fixing plate (221) is greater than the length of the bottom plate (20), the bottom of the edge pressing knife fixing plate (221) is provided with a mounting area (2210) with the width smaller than the length of the bottom plate (20), pressing plates (225) are welded in the mounting area (2210) side by side, the height of each pressing plate (225) is smaller than the height of the corresponding mounting area (2210), and a fixed end (2205) of the top of the edge pressing knife (220) is arranged at the bottom of each pressing plate (225) and is tightly pressed and fixed on the corresponding mounting area (2210) through a pressing block; a toothed plate fixing seat (222) and a blank pressing cutter sliding block (223) are fixed at the left end and the right end of the upper portion of the blank pressing cutter fixing plate (221) through bolts, a toothed plate (2221) is arranged on the toothed plate fixing seat (222), the annular synchronous belt (216) is sleeved between the toothed plate (2221) and the toothed plate fixing seat (222), the toothed plate (2221) is fixed on the toothed plate fixing seat (222) through bolts, the annular synchronous belt (216) is pressed on the toothed plate fixing seat (222), a toothed groove is formed in the toothed plate (2221), and the toothed groove is meshed with teeth on the annular synchronous belt (216); more than two edge pressing knife sliding blocks (223) at each end of the edge pressing knife fixing plate (221), edge pressing knife sliding rails (2231) matched with the edge pressing knife sliding blocks (223) are arranged on one sides, located on the edge pressing knife assembly (22), of the wall plate I (201) and the wall plate II (202), and the edge pressing knife sliding blocks (223) are installed on the edge pressing knife sliding rails (2231);
a batten support block (226), a batten (227), a batten cylinder (228) and a pressurizing cylinder (229) which correspond to the left end and the right end of the edge pressing cutter assembly (22) are arranged on the outer sides of the first wallboard (201) and the second wallboard (202) from bottom to top; the batten support block (226) is fixed on one side of the first wallboard (201) or the second wallboard (202) far away from the edge pressing knife fixing plate (221); the pressing strip air cylinder (228) is obliquely fixed in the middle of the first wallboard (201) or the second wallboard (202), and the pressing strip (227) is fixed on an air cylinder sliding block of the pressing strip air cylinder (228) through bolts; the pressurizing cylinder (229) is fixed in the middle of the first wall plate (201) or the second wall plate (202), and a piston rod of the pressurizing cylinder (229) is downward opposite to the middle part of the upper end of the pressing bar (227);
a fixed cutter holder (23) which is opposite to the edge pressing cutter (220) up and down is arranged on the bottom plate (20), and the fixed cutter holder (23) is fixed on the bottom plate (20) through bolts; the fixed cutter seats (23) are adjacently provided with rotary cutter seats (24); a fixed knife (231) is installed on the inner side of the fixed knife holder (23), and a rotating knife (241) is installed on the inner side of the rotating knife holder (24); one side of the fixed knife (231) close to the rotating knife (241) is vertically opposite to the knife edge of the edge pressing knife (220);
a rotary table (242) and a gear bearing (243) are respectively arranged at the left end and the right end of the rotary tool apron (24) from inside to outside, the rotary table (242) is fixed on one end of the outer side of the rotary tool apron (24) far away from the fixed tool apron (23) through bolts, the gear bearing (243) is fixed on the rotary table (242) through screws, and the gear bearing (243) is arranged in corresponding bearing holes in a first wall plate (201) and a second wall plate (202) on the outer side of the rotary tool apron (24); a pinion (244) is meshed with a gear bearing (243) at one end of the rotary cutter holder (24), the pinion (244) is arranged in a corresponding small bearing hole on the first wall plate (201) or the second wall plate (202), and the pinion (244) is connected with a corresponding rotary cutter holder speed reducing motor (245) outside the first wall plate (201) or the second wall plate (202);
a groove-shaped positioning bracket (25) is fixed in the middle of the outer side of the rotary cutter holder (24); a positioning cylinder seat (251) is arranged at the bottom of the positioning bracket (25), the positioning cylinder seat (251) is fixed on two parallel guide grooves (252) arranged at the bottom of the groove through screws, a corner cylinder (253) is installed on the positioning cylinder seat (251), a rotating arm (254) and a clamping jig (255) installed at the end part of the rotating arm (254) are arranged at the top end of a rotating shaft of the corner cylinder (253), and the clamping jig (255) faces the direction of the rotating tool holder (24);
the positioning stoppers (26) are arranged on the outer side of the fixed cutter holder (23) in bilateral symmetry, each positioning stopper (26) is correspondingly provided with a horizontal cylinder (261) and a vertical cylinder (262), the horizontal cylinder (261) is fixed on the outer side of the fixed cutter holder (23) through bolts, and the vertical cylinder (262) is fixed on a connecting plate (263) on the horizontal cylinder (261) through bolts; the positioning stop (26) is fixed on the front cover of the vertical cylinder (262).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921352022.9U CN210816824U (en) | 2019-08-20 | 2019-08-20 | Bending unit of metal plate flanging machine and metal plate flanging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921352022.9U CN210816824U (en) | 2019-08-20 | 2019-08-20 | Bending unit of metal plate flanging machine and metal plate flanging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210816824U true CN210816824U (en) | 2020-06-23 |
Family
ID=71274464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921352022.9U Withdrawn - After Issue CN210816824U (en) | 2019-08-20 | 2019-08-20 | Bending unit of metal plate flanging machine and metal plate flanging machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210816824U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110449491A (en) * | 2019-08-20 | 2019-11-15 | 洛阳市优能自动化设备有限公司 | A kind of metal board beader bending unit and metal board beader |
| CN114769380A (en) * | 2022-06-17 | 2022-07-22 | 江苏久泰智能科技有限公司 | Bus shelter panel production processingequipment |
-
2019
- 2019-08-20 CN CN201921352022.9U patent/CN210816824U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110449491A (en) * | 2019-08-20 | 2019-11-15 | 洛阳市优能自动化设备有限公司 | A kind of metal board beader bending unit and metal board beader |
| CN110449491B (en) * | 2019-08-20 | 2024-05-03 | 洛阳市优能自动化设备有限公司 | Bending unit of sheet metal flanging machine and sheet metal flanging machine |
| CN114769380A (en) * | 2022-06-17 | 2022-07-22 | 江苏久泰智能科技有限公司 | Bus shelter panel production processingequipment |
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