CN109702092B - Length combination mechanism of pressing die of polygonal bending machine - Google Patents
Length combination mechanism of pressing die of polygonal bending machine Download PDFInfo
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- CN109702092B CN109702092B CN201910090609.5A CN201910090609A CN109702092B CN 109702092 B CN109702092 B CN 109702092B CN 201910090609 A CN201910090609 A CN 201910090609A CN 109702092 B CN109702092 B CN 109702092B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The utility model provides a polygonal bender swage length composite structure, it includes slide and linear guide, is equipped with the slider that matches with it on the linear guide, slider and slide carriage fixed connection, square pole fixing base are installed in the left side of slide carriage, square pole fixing base is equipped with square through-hole, square through-hole matches with fixed square pole outer fringe, fixed square pole is hollow structure, set up the support bearing in fixed square pole inner chamber, is equipped with the profile of tooth on one edge of fixed square pole outer fringe; the rotary square rod is tightly matched with the inner ring of the supporting bearing arranged in the fixed square rod, and the end head of the rotary square rod is fixedly connected with the limiting block and can rotate in the inner hole of the fixed square rod. The right side of the slide carriage is provided with a first gear supporting seat, a rack guide block and a second gear supporting seat in parallel, a supporting bearing is arranged in the first gear supporting seat, an inner hole of the supporting bearing is tightly matched with the outer circles of bosses at two ends of the rotary gear, and a square hole is arranged in the center of the rotary gear and is in sliding fit with the outer square of the rotary square rod.
Description
Technical Field
The application relates to a polygonal bending machine, in particular to a polygonal bending machine material pressing mold length combination mechanism.
Background
The flanging machine is widely applied to bending and forming of metal plates, does not need a special die, and has a plurality of advantages compared with the traditional bending machine. Along with the improvement of labor cost, the flexibility requirement of the flanging machine is higher and higher, and particularly, the length combination of the material pressing die also needs to be automatically adjusted. Particularly, when the box-shaped part with the inward flanging is folded, the material pressing die must be capable of automatically avoiding the inward flanging. Chinese patent specification CN 105945156 discloses an automatic adjustment device for a plate pressing die of a flanging machine, as shown in fig. 11 and 12. The die mainly comprises two sets of standard die adjusting mechanisms and insert die adjusting mechanisms which are symmetrically arranged along the center, and a die avoiding mechanism is arranged at the center. The action process of the standard die adjusting mechanism is that a gear motor II is driven by a gear rack, the rack drives a sliding bar arranged above the standard die to move, the sliding bar is provided with a notch, an air cylinder is arranged in the standard die, an air cylinder rod stretches out of the notch clamped into the sliding bar, and the sliding bar pulls the standard die to move left and right along the die holder. The insert type die adjusting mechanism (as shown in figure 11) comprises a motor and a screw rod which is directly connected with the motor, the screw rod is matched with a screw nut, a connecting plate I is fixedly connected to the screw nut, a hole is formed in the center of the connecting plate I and is in sliding fit with a limiting block, the limiting block is fixed on a support, a groove is formed in the lower portion of the connecting plate I, a connecting plate II is fixedly connected with a bolt shaft, the connecting plate II is matched with the groove of the connecting plate I in a sliding mode, and the bolt shaft can move left and right in a guiding mode through a connecting block. The inserting sheet die is provided with a through hole which is matched with the selecting shaft in a sliding way, the motor drives the screw rod to rotate, the screw rod drives the connecting plate I, the connecting plate II and the bolt shaft to move left and right along the limiting block, and the bolt shaft penetrates the inserting sheet die, so that the inserting sheet die is selected; the gear motor I is directly connected with the rotating shaft, and the rotating shaft is fixedly connected with the connecting block. The rotation axis matches with the rotation center hole of the insert die, the gear motor I drives the rotation axis to rotate, and the rotation axis drives the connecting block, the bolt shaft and the insert die penetrated by the bolt shaft to rotate along the rotation axis, so that the insert die is selected and rotated. The avoidance die mechanism is arranged between two sets of insert die adjusting mechanisms and comprises a middle-arranged oil cylinder and a middle-arranged telescopic die connected with a piston rod of the middle-arranged oil cylinder, wherein the left side of the middle-arranged oil cylinder is provided with a left telescopic die and a left hydraulic cylinder, the right side of the middle-arranged oil cylinder is provided with a right telescopic die and a right hydraulic cylinder, the piston rod of the middle-arranged oil cylinder pulls the middle-arranged telescopic die to move to an upper position, and the left hydraulic cylinder and the right hydraulic cylinder respectively drive the left telescopic oil cylinder and the right telescopic oil cylinder to approach towards the center, so that avoidance of the box-folding type part with the inner flanging is realized.
The mechanism has the defects that the standard die adjusting mechanism is driven by a gear rack of a servo motor, and the machining precision and the requirements are high; the standard die has a complex structure and high manufacturing cost. The two sides of the inserting sheet type die adjusting mechanism are symmetrically arranged and symmetrically selected, so that the mechanism is complex, and the manufacturing cost is high. The number of oil cylinders avoiding the die mechanism is large, the pipeline connection is difficult, and oil leakage is easy.
Disclosure of Invention
Aiming at the structural defects and the use requirements, the application aims to provide the presser foot length combination mechanism which can automatically splice and compress the length of a die and has the function of avoiding the inner buckling edge of a box-shaped part.
The length combination mechanism of the pressing mould of the polygonal bending machine comprises a sliding plate, wherein a linear guide rail is arranged on the sliding plate, a sliding block matched with the linear guide rail is arranged on the linear guide rail, and the sliding block is fixedly connected with a slide carriage; the rotary square rod comprises two sections, the left section is cylindrical, the right section is quadrangular, the cylindrical section of the rotary square rod is tightly matched with the inner ring of the support bearing arranged in the fixed square rod, the end of the rotary square rod is fixedly connected with the limiting block, the rotary square rod is limited by the shaft shoulder of the limiting block and the shaft shoulder of the rotary square rod to axially move, and the rotary square rod can be pivoted in the inner hole of the fixed square rod. A first gear supporting seat, a rack guide block and a second gear supporting seat are arranged on the right side of the slide carriage in parallel; the first gear supporting seat and the second gear supporting seat are internally provided with supporting bearings, inner holes of the supporting bearings are tightly matched with outer circles of bosses at two ends of the rotating gear, and a square hole is formed in the center of the rotating gear and is in sliding fit with the outer square of the rotating square rod. The right section of the rotary square rod is matched with square holes of the turning side rotary blade, the outer square of the fixed square rod is matched with square holes of the fixed side rotary blade, a fixed square rod driving mechanism is fixedly arranged on a square rod fixing seat, and a rotary square rod driving mechanism is arranged on a slide carriage.
The square rod driving mechanism is characterized in that the square rod driving mechanism comprises a horizontal movement motor seat fixedly arranged on a square rod fixing seat, the horizontal movement motor seat is fixedly connected with a horizontal driving speed reducer, the horizontal driving speed reducer is directly connected with an output shaft of a horizontal driving motor, a horizontal driving gear is fixed on a rotating shaft of the horizontal driving speed reducer, the horizontal driving gear is meshed with a tooth form on an edge of the outer edge of a fixed square tube, and the horizontal driving motor drives the horizontal driving gear to drive the fixed square rod to horizontally move along a square hole in the square rod fixing seat.
The rotary square rod driving mechanism comprises a driving cylinder mounting plate fixedly arranged right above the rack guide block on the slide carriage, a turnover driving cylinder is fixedly connected with the driving cylinder mounting plate, the rod end of the turnover driving cylinder is fixedly connected with the rack, and the rack is meshed with the rotary gear for transmission. The turning driving cylinder pushes the rack transmission rotary gear to rotate, the rotary gear transmission rotary square rod and the turning side rotary blade rotate, when the turning side rotary blade rotates to the position of the fixed side turning blade, the turning blade is hung on the upper edge of the blade seat fixedly connected to the slide carriage, at the moment, the outer square of the rotary square rod coincides with the outer square of the fixed square rod, the horizontal driving motor drives the horizontal driving gear transmission fixed square rod to horizontally move, and when the fixed square rod penetrates into the inner hole of the rotary side turning blade, the rotary side turning blade is converted into the fixed side turning blade.
The guide seat is fixedly connected with the sliding plate, a groove is formed in the middle of the bottom of the guide seat, and bosses are arranged on the left side surface and the right side surface of the guide seat; the cylinder mounting plates are respectively fixed at two ends of the guide seat, the push-pull cylinder is fixed on the cylinder mounting plates, the cylinder rod of the push-pull cylinder is fixedly connected with the tooth-shaped strip, and the tooth-shaped strip is arranged in the groove below the guide seat and matched with the groove.
The beneficial effects of the application are as follows: the rotary blade has novel, compact and reliable selection and rotation structure. The square hole of the rotary blade is matched with the positioning square rod to fix the rotary blade, and the square hole is matched with the rotary square rod to realize rotary transmission of the rotary blade. The tooth form is processed on the positioning square rod, the gear is connected through the servo motor and the speed reducer, the axial movement of the positioning square rod is transmitted, and the fixed rotary blade is selected. A servo motor enables selection of the rotary blade. The rotation of the rotary blade pushes the rack through the oil cylinder or the air cylinder, the transmission gear rotates, the square hole in the gear is matched with the rotary square rod, and the gear drives the rotary square rod to rotate, so that the rotation of the rotary blade is realized. The gear and rack transmission mode is reliable and simple. The selected rotary blade is connected with a gear transmission rack through a servo motor, and the rack and an idler gear are in transmission relative engagement with a rack structure of the idler gear to realize centering arrangement. A servo motor achieves the centering function of the rotary blade. The application realizes the avoidance of the inward flanging of the box-shaped part by the relative movement of the front-back moving material pressing mould and the middle material pressing mould. Realize the function of box-shaped parts of the flanging machine capable of flanging. The standard material pressing mould is moved by the cylinder, so that the control is simple and the cost is low. The positioning of the rotary blade utilizes an inclined plane structure, so that the accurate rotary positioning can be realized, and the side surface of the rotary blade can bear bending pressure. The locking of the rotary blade is realized by the pressure of the oil cylinder or the air cylinder, and a locking device with a complex structure is omitted. In summary, the application can realize the bending of the box-folding type part of the flanging machine and has the inward flanging, and the material pressing dies of the plates with different lengths can be automatically spliced and centered for arrangement.
Drawings
Fig. 1 is a schematic structural view of the present application. Fig. 2 is a left side view of fig. 1. Fig. 3 is a schematic view of a selection structure of the standard pressing die of the I portion in fig. 1. Fig. 4 is a schematic structural view of a telescopic pressing die. Fig. 5 is a schematic view of a rotary blade selection and rotary drive mechanism. Fig. 6 is a left side view of fig. 5. Fig. 7 is a B-B view of fig. 5. Fig. 8 is a schematic view of a rotary blade centering drive mechanism. Fig. 9 is a C-C view of fig. 8. Fig. 10 is a schematic view of the structure of the rotary blade. Fig. 11 is a schematic diagram of a prior art solution. Fig. 12 is a schematic view of a tab selection rotating mechanism according to the prior art.
In the figure: 101-a skateboard; 1-a guide seat; 2-cylinder mounting plate; 3-push-pull air cylinders; 4-tooth bars; 5-left standard pressing mould; 6, selecting a piston; 7-a return spring; 8-pressing cover; 9-right standard pressing mould; 10-left telescopic pressing mould; 11-left centering material die; 12-T shaped guide rail; 13-a telescopic driving cylinder; 14-left moving the material pressing die; 15-connecting plates; 16-right telescopic pressing mould; 17-right centering material die; 18-right moving the material pressing die; 19-linear guide rails; 20-sliding blocks; 21-a slide carriage; 22-fixing the square rod seat; 23-fixing square rods; 24-rotating square rods; 25-supporting bearings; 26-limiting blocks; 27-a first gear support; 28-a second gear support; 29-a rack guide block; 30-rack; 31-rotating a gear; 32-horizontally moving the motor base; 33-a horizontal drive motor; 34-a horizontal drive speed reducer; 35-a horizontal drive gear; 36-turning driving cylinder; 37-a drive cylinder mounting plate; 38-a blade holder; 39-centering the drive motor; 40-centering a driving speed reducer; 41-centering the motor base; 42-centering the drive gear; 43-centering the upper rack; 44-centering idler gear; 45-centering the lower rack; 46-upper rack limiting block; 47-square holes; 48-bevel configuration; 401-fixed side rotating blades; 402-turning side rotary blades; 501-a box-shaped member; 51-a speed reducing motor II; 52-an electric motor; 53-a gear motor I; 54-standard mold; 55-inserting a sheet die; 56-middle-set telescopic mould; 57-link plate I; 58-nut; 59-screw rod; 60-limiting blocks; 61-connecting plate II; 62-inserting a pin shaft; 63-a rotation axis; 64-coupling blocks; 65-bracket.
Detailed Description
As shown in fig. 1 and 2, a length combination mechanism of a material pressing die of a polygonal bending machine. The sliding plate comprises a sliding plate 101 and a guide seat 1 fixedly connected with the sliding plate, wherein a groove is arranged in the middle of the bottom of the guide seat 1, and bosses are arranged on the left side surface and the right side surface of the guide seat 1 (as shown in figure 9); as shown in fig. 1 and 3, two ends of a guide seat 1 are respectively fixed with a cylinder mounting plate 2, a push-pull cylinder 3 is fixed on the cylinder mounting plate 2, a cylinder rod of the push-pull cylinder 3 is fixedly connected with a tooth-shaped strip 4, and the tooth-shaped strip 4 is arranged in a groove below the guide seat 1 and matched with the groove; as shown in fig. 2 and 3, the left standard pressing die 5 is provided with a T-shaped groove which is matched with a boss on the guide seat 1 and is hung on the boss of the guide seat 1; one side of the presser foot of the left standard pressing die 5 extends leftwards, the other side is vertical, a hole is formed in the upper side of the presser foot, a selecting piston 6 is arranged in the hole, a reset spring 7 is arranged at the rod end of the selecting piston, a pressing cover 8 is arranged above the reset spring 7, the pressing cover 8 is fixedly connected with the left standard pressing die, and an inner hole of the pressing cover 8 is matched with the rod diameter of the selecting piston 6; when the standard material pressing die is required to be selected, pressure gas is introduced below the rotary piston 6, the pressure gas pushes the selection piston 6 to move upwards, the rod end of the rotary piston 6 can be inserted into a tooth slot of the tooth-shaped strip 4, at the moment, the push-pull cylinder 3 drives the tooth-shaped strip 4 to move, the left standard material pressing die 5 can be driven to move, when the introduction of the pressure gas is stopped, the reset spring 7 pushes the selection piston 6 to return to the lower side, and the movement of the tooth-shaped strip 4 can not influence the standard material pressing die; the construction appearance of the right standard pressing mold 9 is symmetrical with that of the left standard pressing mold 5, and the selected actions and principles are the same as those of the standard pressing mold 5, and will not be described again. A plurality of groups of standard material pressing molds are arranged on two sides of the guide seat 1, and a selection piston 6, a reset spring 7 and a gland 8 are arranged in each standard material pressing mold.
As shown in fig. 1, a left moving material pressing die 14 is arranged on the right side of the left standard material pressing die closest to the middle position, a selection piston 6, a reset spring 7 and a gland 8 are also arranged in the left moving material pressing die 14, and the structure is similar to that of the left standard material pressing die. The left telescopic material pressing die 10 is arranged on the right side of the left side material pressing die 14, the left centering material pressing die 11 is arranged on the right side of the left telescopic material pressing die 10, and a T-shaped groove is formed in the left side face of the left centering material pressing die 11. The right side surface of the left telescopic pressing die 10 is fixedly connected with a T-shaped guide rail 12, and the T-shaped guide rail 12 is matched with a T-shaped groove of the left centering pressing die 11. As shown in fig. 4, a telescopic driving cylinder 13 is arranged in the middle material pressing die 11, a connecting plate 15 is fixed at the rod end of the telescopic driving cylinder 13, the connecting plate 15 is connected with the left telescopic material pressing die 10, and the telescopic driving cylinder 13 pushes the left telescopic material pressing die 10 to move forwards and backwards by taking a T-shaped guide rail 12 as a guide. Similarly, a right moving pressing die 18 is arranged on the left side of the right standard pressing die closest to the middle position, a selection piston 6, a reset spring 7 and a gland 8 are arranged in the right moving pressing die 18, and the structure is similar to that of the right standard pressing die. A right telescopic pressing die 16 is arranged on the left side of the right side pressing die 18, a right centering pressing die 17 is arranged on the left side of the right telescopic pressing die 16, a T-shaped groove is formed on the right side surface of the left centering pressing die 17, a T-shaped guide rail 12 is fixedly connected with the left side surface of the right telescopic pressing die 16, and the T-shaped guide rail 12 is matched with the T-shaped groove of the right centering pressing die 117; a telescopic driving cylinder 13 is arranged in the right pair of middle pressing molds 17, a connecting plate 15 is fixed at the rod end of the telescopic driving cylinder 13, the connecting plate 15 is connected with the right telescopic pressing molds 16, and the telescopic driving cylinder 13 pushes the right telescopic pressing molds 16 to move forwards and backwards by taking the T-shaped guide rail 12 as a guide.
As shown in fig. 1, 5, 6 and 7, a linear guide rail 19 is mounted on a sliding plate 101, a sliding block 20 matched with the linear guide rail 19 is arranged on the linear guide rail 19, the sliding block 20 is fixedly connected with a slide carriage 21, a square rod fixing seat 22 is mounted on the left side of the slide carriage 21, the square rod fixing seat 22 is provided with a square through hole, the square through hole is matched with the outer edge of a fixed square rod 23, the fixed square rod 23 is of a hollow structure, a supporting bearing 25 is arranged in the inner cavity of the fixed square rod 23, and a tooth shape is arranged on one edge of the outer edge of the fixed square rod 23; as shown in fig. 7, the rotary square rod 24 further comprises a rotary square rod 24, the rotary square rod 24 comprises two sections, the left section is cylindrical, the right section is quadrangular, the cylindrical section of the rotary square rod 24 is tightly matched with the inner ring of a support bearing 25 arranged in the fixed square rod 23, the end of the rotary square rod 24 is fixedly connected with a limiting block 26, the rotary square rod 24 is limited to axially move by the shaft shoulder of the limiting block 26 and the shaft shoulder of the rotary square rod, and the rotary square rod 24 can rotate in the inner hole of the fixed square rod 23. A first gear supporting seat 27, a rack guide block 29 and a second gear supporting seat 28 are arranged on the right side of the slide carriage 21 in parallel, a supporting bearing 25 is arranged in the first gear supporting seat 27 and the second gear supporting seat 28, inner holes of the supporting bearing 25 are tightly matched with outer circles of bosses at two ends of a rotary gear 31, and a square hole is formed in the center of the rotary gear 31 and is in square sliding fit with the outer part of a rotary square rod. The square rod fixing seat 22 is fixedly provided with the horizontal movement motor seat 32, the horizontal movement motor seat 32 is fixedly connected with the horizontal driving speed reducer 34, the horizontal driving speed reducer 34 is directly connected with the output shaft of the horizontal driving motor 33, the horizontal driving gear 35 is fixed on the rotating shaft of the horizontal driving speed reducer 34, the horizontal driving gear 35 is meshed with the tooth form on one edge of the outer edge of the fixed square tube, and the horizontal driving motor 33 drives the horizontal driving gear 35 to drive the fixed square rod 23 to horizontally move along the square hole in the square rod fixing seat 22.
A driving cylinder mounting plate 37 is fixedly arranged on the slide carriage 21 and positioned right above the rack guide block 29, a turnover driving cylinder 36 is fixedly connected with the driving cylinder mounting plate 37, a rod end of the turnover driving cylinder 36 is fixedly connected with the rack 30, and the rack 30 is meshed with the rotary gear 31 for transmission.
The right section (outer square) of the rotary square rod 24 is matched with the square hole 47 of the turning side rotary blade 402 (as shown in fig. 10), the inclined surface structure 48 of the rotary blade 402 is attached to the corresponding inclined surface of the fixed seat 1, so that accurate rotary positioning is realized, and the side surface of the rotary blade can bear bending pressure. The outer square of the fixed square rod 23 is matched with square holes 47 of the fixed side rotary blade 401, the turning driving cylinder 36 pushes the rack 30 to drive the rotary gear 31 to rotate, the rotary gear 31 drives the rotary square rod 24 and the turning side rotary blade 402 to rotate, when the turning side rotary blade 402 rotates to the position of the fixed side turning blade 401, the turning blade is hung on the upper edge of the blade seat 38 fixedly connected to the slide carriage 21, at the moment, the outer square of the rotary square rod 24 coincides with the outer square of the fixed square rod 23, the horizontal driving motor 33 drives the horizontal driving gear to drive the fixed square rod to horizontally move, and when the fixed square rod 23 penetrates into the inner hole of the rotary side turning blade 402, the rotary side turning blade 402 is converted into the fixed side turning blade 401.
As shown in fig. 8 and 9, the centering motor base 41 is fixedly installed on the guide base 1, the centering motor base 41 is fixedly connected with the centering driving speed reducer 40, the centering driving speed reducer 40 is directly connected with the output shaft of the centering driving motor 39, the centering driving gear 42 is fixedly arranged on the rotating shaft of the centering driving speed reducer 40, the centering driving gear 42 is meshed and driven with the centering upper gear rack 43, the centering upper gear rack 43 is fixedly connected with the right centering material pressing die 17, an upper gear rack limiting block 46 is arranged above the centering upper gear rack 43 and fixedly connected on the guide base 1, a centering idle gear 44 is arranged below the centering upper gear rack 43, the centering idle gear 11 can rotate along the central hole of the centering idle gear rack, a centering lower gear rack 45 meshed with the centering idle gear rack 44 is arranged below the centering idle gear rack 44, the centering lower gear rack 45 is fixedly connected with the left centering material pressing die 11, the centering driving motor 39 drives the centering upper gear rack 43 to move, the centering idle gear rack 44 is driven to rotate, the centering idle gear rack 45 is driven to move, and the left centering idle gear rack 11 and the right centering idle gear rack 17 is driven to move through the centering upper gear rack 43 and the centering idle gear rack 45.
As shown in fig. 1 and 2, as described above, the right centering and pressing die 17 is fixedly connected with the slide carriage 21, the horizontal driving motor 33 and the driving cylinder 36 drive the fixed square rod 23 and the rotating square rod 24 to select the required number of turning side rotating blades 402, the centering driving motor 39 drives the left centering and pressing die 11 and the right centering and pressing die 17 to move in opposite directions, after the left centering and pressing die 11 contacts with the turning side rotating blades 402, the centering driving motor 39 is stopped, and the push-pull cylinders 3 at two ends of the guide seat 1 push the selected left standard and pressing dies 5 and the right standard and pressing dies 9 to close to each other toward the middle until the left standard and pressing dies are completely aligned to reach the required pressing die length. When the box-shaped part 501 with the turned edges is folded, the material pressing molds need to come out of the box-shaped part 501, the telescopic driving cylinders 13 on the left middle material pressing mold 11 and the right middle material pressing mold 17 push the left telescopic material pressing mold 10 and the right telescopic material pressing mold 16 to move back and forth, the position of a presser foot is left, the left standard material pressing mold and the right standard material pressing mold are selected, the push-pull cylinders 3 on the left side and the right side of the guide seat 1 push the left standard material pressing mold and the right standard material pressing mold 14 and the right mobile material pressing mold 18 to move towards the center, and therefore the presser feet of the standard material pressing molds at two ends avoid the inner turned edges of the box-shaped part 501.
Claims (2)
1. The length combination mechanism of the pressing mould of the polygonal bending machine comprises a sliding plate, wherein a linear guide rail is arranged on the sliding plate, a sliding block matched with the linear guide rail is arranged on the linear guide rail, and the sliding block is fixedly connected with a slide carriage; the rotary square rod comprises two sections, the left section is cylindrical, the right section is quadrangular, the cylindrical section of the rotary square rod is tightly matched with the inner ring of a support bearing arranged in the fixed square rod, the end of the rotary square rod is fixedly connected with a limiting block, and a first gear support seat, a rack guide block and a second gear support seat are arranged on the right side of the slide carriage in parallel; the first gear support seat and the second gear support seat are internally provided with support bearings, inner holes of the support bearings are tightly matched with outer circles of bosses at two ends of the rotary gear, and the center of the rotary gear is provided with a square hole and is in sliding fit with the outer square of the rotary square rod; the right section of the rotary square rod is matched with square holes of the turning side rotary blade, the outer square of the fixed square rod is matched with square holes of the fixed side rotary blade, a fixed square rod driving mechanism is fixedly arranged on the square rod fixing seat, and a rotary square rod driving mechanism is arranged on the slide carriage;
the rotary square rod driving mechanism comprises a driving cylinder mounting plate fixedly arranged on the slide carriage and positioned right above the rack guide block, a turnover driving cylinder is fixedly connected with the driving cylinder mounting plate, the rod end of the turnover driving cylinder is fixedly connected with a rack, and the rack is meshed with the rotary gear for transmission; the guide seat is fixedly connected with the sliding plate, a groove is formed in the middle of the bottom of the guide seat, and bosses are arranged on the left side surface and the right side surface of the guide seat; the cylinder mounting plates are respectively fixed at two ends of the guide seat, the push-pull cylinder is fixed on the cylinder mounting plates, the cylinder rod of the push-pull cylinder is fixedly connected with the tooth-shaped strip, and the tooth-shaped strip is arranged in the groove below the guide seat and matched with the groove.
2. The polygonal bending machine material pressing mold length combination mechanism of claim 1, wherein the fixed square rod driving mechanism comprises a horizontally moving motor seat fixedly arranged on a square rod fixing seat, the horizontally moving motor seat is fixedly connected with a horizontally driving speed reducer, the horizontally driving speed reducer is directly connected with an output shaft of a horizontally driving motor, a horizontally driving gear is fixed on a rotating shaft of the horizontally driving speed reducer, the horizontally driving gear is meshed with a tooth form on one edge of the outer edge of the fixed square tube, and the horizontally driving motor drives the horizontally driving gear to drive the fixed square rod to horizontally move along a square hole in the square rod fixing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910090609.5A CN109702092B (en) | 2019-01-30 | 2019-01-30 | Length combination mechanism of pressing die of polygonal bending machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910090609.5A CN109702092B (en) | 2019-01-30 | 2019-01-30 | Length combination mechanism of pressing die of polygonal bending machine |
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| Publication Number | Publication Date |
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| CN109702092A CN109702092A (en) | 2019-05-03 |
| CN109702092B true CN109702092B (en) | 2023-09-08 |
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| CN201910090609.5A Active CN109702092B (en) | 2019-01-30 | 2019-01-30 | Length combination mechanism of pressing die of polygonal bending machine |
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| CN114472621A (en) * | 2022-03-03 | 2022-05-13 | 东莞市东锻机械有限公司 | Automatic regulating assembly for upper pressing knife of bending machine |
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| CN101966656A (en) * | 2010-07-30 | 2011-02-09 | 天润曲轴股份有限公司 | Rotary clamping apparatus for drilling crankshaft large disk flange hole |
| CN202606728U (en) * | 2012-06-07 | 2012-12-19 | 济南铸造锻压机械研究所有限公司 | X-axis direction feeding mechanism for numerical control turret punch press |
| CN103878212A (en) * | 2014-03-21 | 2014-06-25 | 郑州大学 | Bending machine special for passenger car door sheet arc pressing |
| CN204412923U (en) * | 2015-01-04 | 2015-06-24 | 济南铸造锻压机械研究所有限公司 | Bender automatic rotary mould changing device |
| CN105945156A (en) * | 2016-07-20 | 2016-09-21 | 江苏亚威机床股份有限公司 | Automatic adjusting device for plate pressing die of edging machine |
| CN106180293A (en) * | 2016-08-30 | 2016-12-07 | 洛阳润信机械制造有限公司 | A kind of full-automatic bending machine of panel beating |
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| CN109702092A (en) | 2019-05-03 |
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