CN112238166A - Bending machine with adjustable upper pressing cutter - Google Patents
Bending machine with adjustable upper pressing cutter Download PDFInfo
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- CN112238166A CN112238166A CN202011133649.2A CN202011133649A CN112238166A CN 112238166 A CN112238166 A CN 112238166A CN 202011133649 A CN202011133649 A CN 202011133649A CN 112238166 A CN112238166 A CN 112238166A
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- upper pressing
- knife
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- B21D5/0209—Tools therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
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- Mechanical Engineering (AREA)
- Details Of Cutting Devices (AREA)
Abstract
The invention discloses an upper pressing knife adjustable bending machine which comprises a rack, wherein a tool apron support capable of lifting up and down is installed on the rack through a lifting driving mechanism; a middle pressing cutter capable of lifting up and down to realize cutter withdrawal is arranged in the middle of the cutter holder bracket; the two sides of the middle pressing knife are respectively provided with a positioning upper pressing knife with correspondingly adjustable positions, and the outer sides of the positioning upper pressing knives on the two sides are respectively provided with a row of upper pressing knives with adjustable positions; and a rotary blade adjusted by a propelling mechanism and a rotating mechanism is correspondingly arranged above the upper pressing knife. The device realizes the adjustment of each cutter in the device, forward compression bending and lateral compression bending, position adjustment of the upper pressing cutter and random adjustment of the length.
Description
Technical Field
The invention relates to bending machine equipment, in particular to a bending machine with an adjustable upper pressing cutter.
Background
In the prior art, the position and the installation length of the upper pressing knife of most bending machines cannot be adjusted, even if the position and the installation length of the upper pressing knife of most bending machines can be adjusted, the upper pressing knife is disassembled and assembled, the mode is not only troublesome, but also if the adjustment range is small, the upper pressing knife cannot be disassembled and assembled; when the upper pressing knife can be adjusted, the position of the middle pressing knife arranged on the bending machine also needs to be adjusted, and the knife can be withdrawn; in addition, the position of the pressing knife can be adjusted in the technology, but the pressing knife cannot be conveniently positioned when being adjusted.
Disclosure of Invention
The invention aims to provide an adjustable bending machine with an upper pressing knife, aiming at the defects in the prior art.
The technical scheme is as follows: the technical scheme adopted by the invention for solving the problems is as follows: an upper pressing knife adjustable bending machine comprises a rack, wherein a tool apron support capable of lifting up and down is mounted on the rack through a lifting driving mechanism; a middle pressing cutter capable of lifting up and down to realize cutter withdrawal is arranged in the middle of the cutter holder bracket; the two sides of the middle pressing knife are respectively provided with a positioning upper pressing knife with correspondingly adjustable positions, and the outer sides of the positioning upper pressing knives on the two sides are respectively provided with a row of upper pressing knives with adjustable positions; and a rotary blade adjusted by a propelling mechanism and a rotating mechanism is correspondingly arranged above the upper pressing knife; the rotary blade can rotate from top to bottom and is matched with the upper pressing knife for use; the lower end of the rack is also provided with a lower pressing knife matched with the upper pressing knife for use, and the inner side part of the rack positioned on the knife seat support is provided with an upper bending knife and a lower bending knife which correspond to the upper pressing knife and the lower pressing knife in position; the two bending knives are correspondingly arranged on the frame through the bending knife driving mechanism to realize the bending matching with the upper and lower pressing knives; and a matched bending machine feeding mechanism is also arranged on the outer side of the frame.
Preferably, two tool apron seats used for installing the upper pressing tool are arranged at the lower end of the tool apron support, and a space is reserved between the two tool apron seats; the belt motors are further mounted at the outer side ends of the two tool apron bodies, belt pulleys are correspondingly mounted on the belt motors, the belt pulleys are similarly mounted at the inner side ends of the two tool apron bodies, a belt is mounted between the two corresponding belt pulleys, and the belt is arranged above the tool apron bodies.
The tool apron is correspondingly provided with an upper pressing knife, the upper end of the upper pressing knife is provided with a mounting groove matched with the shape of the tool apron, and the upper pressing knife is embedded on the tool apron through the mounting groove and can correspondingly move on the tool apron under the driving of external force.
The upper end of each upper pressing cutter is provided with a clamping cylinder, the clamping cylinder is correspondingly provided with two clamping heads which are arranged above the cutter holder one on the other and correspond to the arrangement position of the belt, and the two clamping heads can clamp the belt up and down under the action of the clamping cylinders and move along with the belt under the condition that the belt motor is started.
Preferably, two sides of the middle of the tool apron support are also correspondingly provided with a movable mounting seat, and the propelling mechanism and the rotating mechanism are correspondingly arranged on the mounting seats; the rotating mechanism comprises a rotating device, a rotating shaft transversely extends out of the rotating device, and a shifting shaft which is arranged in parallel with the rotating shaft is correspondingly arranged at the shaft end of the rotating shaft through a connecting plate; a limiting shaft parallel to the shifting shaft is arranged above the shifting shaft; the displacement shaft and the limiting shaft are arranged in corresponding positions, the displacement shaft is arranged on the outer side, the limiting shaft is arranged on the inner side, a fall is formed between the displacement shaft and the limiting shaft in the vertical direction, and the displacement shaft and the limiting shaft are in a butt joint state in the left-right direction; the rotary shaft hole arranged on the rotary blade is correspondingly installed with the rotary shaft, the displacement shaft arranged on the rotary blade is correspondingly installed with the rotary displacement hole, and the limit shaft arranged on the rotary blade is correspondingly installed with the rotary limit hole.
The pushing device is correspondingly provided with a push plate, the position of the push plate corresponds to the outer side end face of the rotary blade, the lower end of the push plate is provided with a limiting sleeve hole, the limiting sleeve hole is correspondingly sleeved on a rotating shaft of the rotating device, the push plate further extends inwards to be provided with an integrated pull plate, and the position of the pull plate corresponds to the inner side end face of the rotary blade.
Preferably, a positioning seat is correspondingly arranged between the installation seats on the two sides, the positioning seat is fixed at the middle position of the tool rest support, the two installation seats are respectively provided with a limiting cylinder, the limiting cylinders on the two sides are transversely arranged correspondingly, cylinder rods of the limiting cylinders on the two sides all extend inwards to be fixed on the positioning seat in the middle, guide rail grooves are correspondingly arranged on the back surfaces of the installation seats on the two sides, guide rails are correspondingly arranged on the tool rest support, the installation seats on the two sides are correspondingly butted and installed on the tool rest support through the matching of the guide rail grooves and the guide rails, and therefore the positions of the positioning seats on the two sides can be adjusted leftwards and rightwards.
Preferably, the positioning upper pressing knives are arranged at the inner side parts of the lower ends of the mounting seats at the two sides and can be adjusted along with the mounting seats, the upper pressing knives arranged on the knife seats are correspondingly arranged at the two outer side parts of the positioning upper pressing knives, the middle pressing knives are correspondingly arranged between the two positioning upper pressing knives, and the inner side surfaces of the positioning upper pressing knives at the two sides are correspondingly provided with middle pressing knife retreating grooves; the upper end of the middle pressing knife is correspondingly provided with a middle pressing knife driving mechanism, the middle pressing knife driving mechanism is fixed at the middle position of the knife holder support through a fixing frame, a driving rod of the middle pressing knife driving mechanism is downwards connected with a lifting plate, the lifting plate is correspondingly provided with a lifting guide rail groove, and the knife holder support is correspondingly provided with a lifting guide rail, so that the middle pressing knife can be lifted up and down.
Preferably, the mounting seat is further provided with a stop motor, the stop motor is provided with a rotatable stop plate, the arrangement position of the stop plate corresponds to the position of the limiting shaft, and the stop plate is clamped at the end part of the limiting shaft and can be turned upwards under the action of the stop motor; the mounting seat is provided with a plurality of mounting plates at different positions; the propelling device, the rotating shaft and the limiting shaft are correspondingly fixed on the mounting plate.
Preferably, the shapes of the positioning upper pressing knife, the rotary blade and the centering pressing knife are all matched shapes; the middle pressing cutter is positioned at the most middle position and can realize up-and-down adjustment and movement, the front end of the middle pressing cutter is provided with an upper pressing cutter head, and two sides of the middle pressing cutter are of a plane structure; the positioning upper pressing knives are positioned at two sides of the middle pressing knife, are fixed on the mounting seat and can be adjusted along with the mounting seat, the front end of the positioning upper pressing knife is provided with an upper pressing knife head, two inner sides of the positioning upper pressing knife are provided with a lateral pressing knife head and a middle pressing knife withdrawal groove corresponding to the middle pressing knife, and two outer sides of the positioning upper pressing knife are also arranged in a plane; the upper pressing knives are correspondingly arranged on the knife holders and can move freely under the action of the clamping cylinders and the belt motors, the corresponding upper pressing knife heads are arranged at the front ends of the upper pressing knives, the lateral pressing knife heads are arranged on the outer sides of the upper pressing knives, and avoidance grooves are also formed in the upper ends of the lateral pressing knife heads of the upper pressing knives; the rotary blade is arranged on the mounting seat in an adjustable mode, the lower end of the rotary blade is also provided with a rotary cutter head corresponding to the shape of the upper cutter pressing head of the upper cutter pressing, and when a gap appears between the adjacent lower cutter pressing tools after adjustment, the rotary blade corresponding to the upper position can be embedded into the gap in a downward rotating mode.
Preferably, the rotary blade is in a sheet shape and comprises a blade front end part, a blade middle end part and a blade rear end part; the front end part of the blade is parallel to the rear end part of the blade, and the front end part of the blade and the rear end part of the blade are connected into a whole through the middle end part of the blade which is obliquely arranged; the rotating shaft hole, the rotating displacement hole and the rotating limiting hole are correspondingly arranged on the front end part of the blade; the rotary cutter head is arranged at the bottom of the rear end part of the blade, and a position avoiding groove extending to the upper end position of the rear end part of the blade is also arranged at the position of the middle end part of the blade; the shape of the avoiding groove is correspondingly matched with that of an installation groove arranged at the upper end of an upper pressing knife in the bending machine.
Preferably, the upper end surface of the front side groove wall of the mounting groove on the upper pressing cutter is correspondingly provided with a vertical mounting hole, the rear side groove wall of the mounting groove is also correspondingly provided with a mounting groove, two sides of the mounting groove are correspondingly provided with transverse mounting holes, and the outer side of the end seat at the position corresponding to the mounting groove is also provided with a mounting hole; the belt motors are detachably mounted through motor bases arranged on the outer side of the lower end of the cutter holder, the belt motors on the two sides are correspondingly mounted on the rear side of the cutter holder, and the belt motors on the two sides and belt pulleys on the inner side are arranged at the same height; the rear side of the mounting groove at the upper end of the upper pressing cutter is provided with a cylinder seat, a clamping cylinder is detachably mounted on the cylinder seat, the front side of the mounting groove is correspondingly provided with a clamping seat, and the upper pressing cutter is embedded on the cutter holder through the matching of the mounting groove, the cylinder seat at the front side and the clamping seat at the rear side.
Preferably, the rear end of the mounting groove and the cylinder seat are both provided with mounting grooves, the clamping cylinder is correspondingly fixed in the mounting grooves, and the clamping cylinder is also correspondingly provided with a cylinder nozzle; the rear end face of the middle pressure cutter is provided with a long groove which penetrates from the lower end to the upper end, two sides of the upper end of the long groove are provided with L-shaped grooves, and two sides of the lower end of the long groove are provided with triangular grooves in an extending manner; the upper and lower L-shaped grooves and the triangular grooves have the same groove depth
Has the advantages that: compared with the prior art, the invention has the following advantages:
(1) each cutter in the device can be correspondingly adjusted, and the shapes of the positioning upper pressing cutter, the positioning rotary cutter and the positioning middle pressing cutter are all matched; the middle pressing cutter is positioned at the most middle position and can realize up-and-down adjustment and movement, the front end of the middle pressing cutter is provided with an upper pressing cutter head, and two sides of the middle pressing cutter are of a plane structure; the positioning upper pressing knives are positioned at two sides of the middle pressing knife, are fixed on the mounting seat and can be adjusted along with the mounting seat, the front end of the positioning upper pressing knife is provided with an upper pressing knife head, the two inner sides of the positioning upper pressing knife are provided with a lateral pressing knife head and a middle pressing knife withdrawal groove corresponding to the middle pressing knife, and the two outer sides of the positioning upper pressing knife are also arranged in a plane; the upper pressing knives are correspondingly arranged on the knife holders and can move freely in a single mode under the action of the clamping cylinders and the belt motors, corresponding upper pressing knife heads are arranged at the front ends of the upper pressing knives, lateral pressing knife heads are arranged on the outer sides of the upper pressing knives, and avoidance grooves are further formed in the upper ends of the lateral pressing knife heads of the upper pressing knives; the rotary blades are arranged on the mounting seat in an adjustable mode, the lower ends of the rotary blades are also provided with rotary cutter heads corresponding to the shapes of the upper cutter heads of the upper pressing cutters, and when gaps appear between adjacent lower upper pressing cutters after adjustment, the rotary blades corresponding to the upper positions can be embedded into the gaps in a downward rotating mode, so that the length and the positions of the upper pressing cutters can be adjusted; the positioning upper pressing knife is used as a positioning position of the upper pressing knife, the middle pressing knife can be withdrawn through the arranged positioning upper pressing knife, the middle pressing knife withdrawal groove is formed in the inner side of the positioning upper pressing knife, and after the middle pressing knife moves upwards, two sides of the middle pressing knife can be embedded into the middle pressing knife withdrawal groove, so that the left and right adjustment of the middle pressing knife is not hindered, and the lateral pressing knife head on the inner side of the positioning upper pressing knife can normally realize lateral pressing; therefore, the adjustment of each cutter in the device, the forward pressing bending and the lateral pressing bending, the position adjustment of the upper pressing cutter and the random adjustment of the length are realized;
(2) in the device, the whole upper pressing knife is embedded on the knife holder and is not fixed on the knife holder, a belt motor is arranged on the outer side of the knife holder, a belt pulley is arranged on the inner side of the knife holder, a movable belt is arranged between the two belt pulleys, the positions of two chucks of a clamping cylinder on the upper pressing knife correspond to the positions of the belt, when the position is adjusted, the clamping cylinder is started, so that the two chucks on the clamping cylinder clamp the belt up and down, the whole upper pressing knife is fixed on the belt, then the belt motor is started, the whole upper pressing knife can correspondingly move on the knife holder along with the belt, the position is adjusted, and the clamping cylinder is arranged on each knife holder, so that the position of each upper pressing knife can be correspondingly adjusted; the structure of the device is skillfully arranged, the position of the upper pressing knife can be freely adjusted through the matching of the belt motor and the clamping cylinder, the adjustment is smooth, and the use is convenient; meanwhile, two adjacent upper pressing knives can be adjusted at the corresponding position of the upper shifting shaft in the device, so that a gap is formed between the two upper pressing knives at the position, and the upper rotating blade can be correspondingly and rotatably embedded into the gap, so that the length of the whole upper pressing knife can be increased;
(3) the integral rotary blade in the device is sleeved on a rotating shaft of the rotating device, and the rotary blade can move left and right; when in an original position, the rotary blade is positioned at the outer side of the rotating shaft, the upper limiting shaft is correspondingly inserted in the rotary limiting hole, and the end part of the limiting shaft is also provided with a stop plate for clamping, so that the rotary blade is integrally limited on the limiting shaft, even if the pushing device pushes and presses the rotary blade inwards through the pushing plate, the rotary blade cannot move inwards under the limitation of the stop plate, when the adjustment is needed, the stop plate is overturned upwards through the overturning motor, the rotary blade is pushed and moved inwards through the pushing device, the limiting shaft corresponds to the position of the displacement shaft, the upper part and the lower part of the displacement shaft have a fall, but the left part and the right part are butted, after the rotary blade is moved inwards, the displacement shaft is just inserted in the rotary displacement hole in the process of withdrawing from the limiting shaft, thus the rotary blade is smoothly separated from the control of the limiting shaft and is transferred to the displacement shaft, and the displacement shaft is integrally installed with, then, the rotating device is controlled to drive the rotating shaft to rotate, the shifting shaft correspondingly does circular motion to drive the rotating blades to turn to the lower part and be embedded into a gap formed by two upper pressing knives, the distance between the upper pressing knives can be correspondingly adjusted, and the number of the rotating blades can be correspondingly adjusted, so that the length of the upper pressing knives can be freely adjusted; the rest rotary blades on the upper limiting shaft are operated by the turnover motor, so that the stop plate is clamped at the end part of the limiting shaft to limit the positions of the rest rotary blades; when the rotary blade needs to be reset, the stop plate is turned over and opened, and the rotary blade is moved upwards through the rotating device to be reset; then the pulling plate is driven to move outwards by the propelling device, the rotary blade is separated from the displacement shaft and is arranged on the limiting shaft, and then the rotary blade is clamped by the stop plate; the whole structure is skillfully and reasonably arranged, and the position and the length of the upper pressing knife can be freely adjusted by matching with an adjusting mechanism of the upper pressing knife;
(4) in the device, the upper pressing knives and the rotating blades are matched in structure arrangement, the upper pressing knives and the rotating blades are provided with forward upper pressing knife heads, forward pressing and bending of a workpiece can be realized, the side surfaces of the upper pressing knives are also provided with side lateral pressing knife heads on the side surfaces, and avoidance grooves are arranged; in the device, because the positions of the upper pressing knives can be adjusted, the side positions of each upper pressing knife are provided with the avoidance grooves and the lateral pressing knife heads, so that when the lower pressing knives are integrally stacked for use, the upper pressing knife heads at the front ends cannot influence forward bending, and the side pressing function of any lower pressing knife can be ensured no matter which lower pressing knife is adjusted to be the most side.
Drawings
FIG. 1 is an overall structural view of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is an enlarged view of FIG. 2 at D;
FIG. 4 is a view showing a holder frame according to the present invention;
FIG. 5 is a front view of FIG. 4;
FIG. 6 is a side view of FIG. 4;
FIG. 7 is a view showing the construction of the upper blade assembly of the present invention;
FIG. 8 is a front view of FIG. 7;
FIG. 9 is a view taken along line D of FIG. 7;
FIG. 10 is a view of the belt installation of the present invention;
FIG. 11 is an installation view of the upper press blade and the clamping cylinder in the present invention;
FIG. 12 is a view taken along line C of FIG. 11;
FIG. 13 is a view of the upper blade press of the present invention;
FIG. 14 is a view taken along line A of FIG. 13;
FIG. 15 is a view taken along line B of FIG. 13;
FIG. 16 is a view showing the construction of a mount in the present invention;
FIG. 17 is a top view of FIG. 16;
FIG. 18 is a rear view of FIG. 16;
FIG. 19 is a right side mount block configuration of the present invention;
FIG. 20 is a view showing the construction of the left side mounting base in the present invention;
FIG. 21 is a view showing the construction of a rotary blade according to the present invention;
FIG. 22 is a view showing a structure of mounting the center presser in the present invention;
FIG. 23 is a rear view of FIG. 22;
FIG. 24 is a view showing the structure of the center presser in the present invention.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific examples, which are carried out on the premise of the technical solution of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 24, an adjustable bending machine for an upper pressing cutter comprises a cutter holder support 25, two cutter holders 26 for mounting the upper pressing cutter 12 are arranged at the lower end of the cutter holder support 25, the two cutter holders 26 are located on the same horizontal line, and a gap is left between the two cutter holders 26 at the middle position of the cutter holder support 25; and the outer ends of the two tool holders 26 are also respectively provided with a belt motor 27, the belt motors 27 are respectively provided with a belt pulley 28, the inner ends of the two tool holders 26 are also provided with belt pulleys 28 corresponding to the positions, a belt 29 is arranged between the two corresponding belt pulleys 28, and the belt 29 is arranged above the tool holders 26.
The tool apron 26 is correspondingly provided with an upper pressing tool 12, the upper end of the upper pressing tool 12 is provided with a mounting groove 13 matched with the tool apron 26 in shape, and the upper pressing tool 12 is embedded on the tool apron 26 through the mounting groove 13 and can correspondingly move on the tool apron 26 under the driving of external force.
A clamping cylinder 23 is further mounted on one side of the upper end of each upper pressing cutter 12, two clamping heads 24 are correspondingly arranged on the clamping cylinder 23, the two clamping heads 24 are arranged above the cutter holder 26 one above the other and correspond to the arrangement position of the belt 29, and the two clamping heads 24 can clamp the belt 29 up and down under the action of the clamping cylinder 23 and move along with the belt 29 under the condition that the belt motor 27 is started.
The middle two sides of the tool apron support 25 are also correspondingly provided with a movable mounting seat 31, an adjustable rotary blade 101 is correspondingly mounted on the mounting seat 31, the rotary blade 101 is matched with the shape of the upper press cutter 12, and the rotary blade 101 is correspondingly provided with a rotary shaft hole 4, a rotary displacement hole 5 and a rotary limiting hole 6.
The mounting seats 31 on both sides are respectively provided with a propelling device 40 and a rotating device 41 which are transversely arranged; the rotating device 41 transversely extends out of a rotating shaft 7, and the shaft end of the rotating shaft 7 is correspondingly provided with a shifting shaft 8 which is arranged in parallel with the rotating shaft 7 through a connecting plate 42; a limit shaft 9 parallel to the displacement shaft 8 is correspondingly arranged above the displacement shaft 8; the positions of the displacement shaft 8 and the limit shaft 9 are corresponding, the displacement shaft 8 is arranged at the outer side, the limit shaft 9 is arranged at the inner side, the displacement shaft 8 and the limit shaft 9 have a drop in the vertical direction, and the left and right directions are in a butt joint state.
A rotating shaft hole 4 at the bottom of the rotating blade 101 is correspondingly arranged with the rotating shaft 7, the shifting shaft 8 can be correspondingly inserted into the rotating shifting hole 5, and the limiting shaft 9 is inserted into the rotating limiting hole 6; the pushing device 40 is correspondingly provided with a pushing plate 43, the pushing plate 43 corresponds to the outer end surface of the rotary blade 101 in position, the lower end of the pushing plate 43 is provided with a limit sleeve hole 48, the limit sleeve hole 48 is correspondingly sleeved on the rotating shaft 7 of the rotating device 41, the pushing plate 43 is further provided with an integrated pulling plate 44 extending inwards, and the pulling plate 44 corresponds to the inner end surface of the rotary blade 101 in position.
The rotary blade 101 is rotated downward after being adjusted in position by the engagement of the pushing device 40 and the rotating device 41, and then corresponds to the mounting position of the upper blade 12.
Correspondingly, still be provided with positioning seat 32 between two mount pads 31, this positioning seat 32 is fixed in the intermediate position department of knife rest support 25, and still all install spacing cylinder 33 on two mount pads 31, the spacing cylinder 33 of both sides sets up for horizontal correspondence, the cylinder pole 34 of the spacing cylinder 33 of both sides all inwards stretches out to be fixed on middle positioning seat 32, and the back of both sides mount pad 31 still correspondingly installs guide rail groove 35, and then correspondingly install guide rail 36 on the knife rest support 25, through the cooperation installation of guide rail groove 35 and guide rail 36, with the corresponding butt joint of both sides mount pad 31 install on knife rest support 25.
A stop motor 45 is further mounted on the mounting seat 31, a rotatable stop plate 46 is mounted on the stop motor 45, the setting position of the stop plate 46 corresponds to the position of the limiting shaft 9, and the stop plate 46 is clamped at the end part of the limiting shaft 9 and can be turned upwards under the action of the stop motor 45; a plurality of mounting plates 47 at different positions are arranged on the mounting seat 31; the propelling device 40, the rotating device 41, the rotating shaft 7 and the limiting shaft 9 are fixed on the mounting plate 47.
The upper pressing knife 12 and the rotating blade 101 are matched in shape and can be stacked together for use; when a gap is formed between adjacent upper pressing blades 12 after adjustment, the rotary blade 101 corresponding to the upper position may be rotatably inserted downward into the gap.
The lower end of the upper pressing knife 12 is provided with an upper pressing knife head 14 which extends forwards, and the inner side surface of the upper pressing knife 12 is provided with a lateral pressing knife head 19 which extends inwards and is integrated with the upper pressing knife head 14; and the upper end of the side pressing bit 19 is also provided with an escape groove 18.
The rotary blade 101 is provided in a sheet shape and includes a blade front end portion 1, a blade middle end portion 2, and a blade rear end portion 3; the front end part 1 of the blade is arranged in parallel with the rear end part 3 of the blade, and the front end part 1 of the blade and the rear end part 3 of the blade are connected into a whole through the middle end part 2 of the blade which is arranged obliquely; the rotating shaft hole 4, the rotating displacement hole 5 and the rotating limiting hole 6 are correspondingly arranged on the front end part 1 of the blade; the bottom of the rear end part 3 of the blade is correspondingly provided with a rotary cutter head 10, and the rotary cutter head 10 is matched with an upper press cutter head 14 at the bottom of an upper press cutter 12 in shape; and the position of the middle end part 2 of the blade is also provided with a spacing groove 11 which extends to the upper end position of the rear end part 3 of the blade; the shape of the avoiding groove 11 is correspondingly matched with that of an installation groove 13 arranged at the upper end of an upper pressing knife 12 in the bending machine.
The upper end surface of the front side groove wall of the mounting groove 13 on the upper pressing cutter 12 is correspondingly provided with a vertical mounting hole 16, the rear side groove wall of the mounting groove 13 is correspondingly provided with a mounting groove 17, two sides of the mounting groove 17 are correspondingly provided with transverse mounting holes 16, and the outer side of the end seat 15 at the position corresponding to the mounting groove 17 is also provided with a mounting hole 16.
The belt motor 27 is detachably mounted through a motor base 30 arranged on the outer side of the lower end of the tool apron 26, the belt motors 27 on the two sides are correspondingly mounted on the rear side of the tool apron 26, and the belt motors 27 on the two sides and the belt pulley 28 on the inner side are arranged at the same height; the rear side of the mounting groove 13 at the upper end of the upper pressing cutter 12 is provided with a cylinder seat 22, a clamping cylinder 23 is detachably mounted through the cylinder seat 22, the front side of the mounting groove 13 is correspondingly provided with a clamping seat 21, and the upper pressing cutter 12 is embedded on a cutter seat 26 through the matching of the mounting groove 13, the cylinder seat 22 at the front side and the clamping seat 21 at the rear side.
The rear end of the mounting groove 13 and the cylinder seat 22 are both provided with a mounting groove 17, the clamping cylinder 23 is correspondingly fixed in the mounting groove 17, and the clamping cylinder 23 is also correspondingly provided with a cylinder mouth. The rear end surface of the middle pressure knife 58 is provided with a long groove 59 which penetrates from the lower end to the upper end, two sides of the upper end of the long groove 59 are provided with L-shaped grooves 60, and two sides of the lower end of the long groove 59 are provided with triangular grooves 61 in an extending manner; and the upper and lower L-shaped grooves 60 and the triangular grooves 61 have the same groove depth.
The adjustment of the upper pressing knife in the device mainly realizes the adjustment of the position of the upper pressing knife on the knife rest through the matching of a belt motor and a clamping cylinder; the position of the rotary blade is adjusted through the matching of the propelling device and the rotating device, and the rotary blade is matched with the upper pressing knife after moving downwards in a rotating mode, so that the position and the length of the upper pressing knife of the bending machine can be freely adjusted.
In the device, the whole upper pressing knife is embedded on the knife holder and is not fixed on the knife holder, a belt motor is arranged on the outer side of the knife holder, a belt pulley is arranged on the inner side of the knife holder, a movable belt is arranged between the two belt pulleys, the positions of two chucks of a clamping cylinder on the upper pressing knife correspond to the positions of the belt, when the position is adjusted, the clamping cylinder is started, so that the two chucks on the clamping cylinder clamp the belt up and down, the whole upper pressing knife is fixed on the belt, then the belt motor is started, the whole upper pressing knife can correspondingly move on the knife holder along with the belt, the position is adjusted, and the clamping cylinder is arranged on each knife holder, so that the position of each upper pressing knife can be correspondingly adjusted; the structure of the device is skillfully arranged, the position of the upper pressing knife can be freely adjusted through the matching of the belt motor and the clamping cylinder, the adjustment is smooth, and the use is convenient; meanwhile, two adjacent upper pressing knives can be adjusted at the corresponding position of the upper shifting shaft in the device, so that a gap is formed between the two upper pressing knives at the position, and the upper rotating blade can be correspondingly and rotatably embedded into the gap, so that the length of the whole upper pressing knife can be increased.
The integral rotary blade in the device is sleeved on a rotating shaft of the rotating device, and the rotary blade can move left and right; when in an original position, the rotary blade is positioned at the outer side of the rotating shaft, the upper limiting shaft is correspondingly inserted in the rotary limiting hole, and the end part of the limiting shaft is also provided with a stop plate for clamping, so that the rotary blade is integrally limited on the limiting shaft, even if the pushing device pushes and presses the rotary blade inwards through the pushing plate, the rotary blade cannot move inwards under the limitation of the stop plate, when the adjustment is needed, the stop plate is overturned upwards through the overturning motor, the rotary blade is pushed and moved inwards through the pushing device, the limiting shaft corresponds to the position of the displacement shaft, the upper part and the lower part of the displacement shaft have a fall, but the left part and the right part are butted, after the rotary blade is moved inwards, the displacement shaft is just inserted in the rotary displacement hole in the process of withdrawing from the limiting shaft, thus the rotary blade is smoothly separated from the control of the limiting shaft and is transferred to the displacement shaft, and the displacement shaft is integrally installed with, then, the rotating device is controlled to drive the rotating shaft to rotate, the shifting shaft correspondingly does circular motion to drive the rotating blades to turn to the lower part and be embedded into a gap formed by two upper pressing knives, the distance between the upper pressing knives can be correspondingly adjusted, and the number of the rotating blades can be correspondingly adjusted, so that the length of the upper pressing knives can be freely adjusted; the rest rotary blades on the upper limiting shaft are operated by the turnover motor, so that the stop plate is clamped at the end part of the limiting shaft to limit the positions of the rest rotary blades; when the rotary blade needs to be reset, the stop plate is turned over and opened, and the rotary blade is moved upwards through the rotating device to be reset; then the pulling plate is driven to move outwards by the propelling device, the rotary blade is separated from the displacement shaft and is arranged on the limiting shaft, and then the rotary blade is clamped by the stop plate; the whole structure is ingenious and reasonable, and the position and the length of the upper pressing knife can be freely adjusted by matching with an adjusting mechanism of the upper pressing knife.
In the device, the upper pressing knives and the rotating blades are matched in structure arrangement, the upper pressing knives and the rotating blades are provided with forward upper pressing knife heads, forward pressing and bending of a workpiece can be realized, the side surfaces of the upper pressing knives are also provided with side lateral pressing knife heads on the side surfaces, and avoidance grooves are arranged; in the device, because the positions of the upper pressing knives can be adjusted, the side positions of each upper pressing knife are provided with the avoidance grooves and the lateral pressing knife heads, so that when the lower pressing knives are integrally stacked for use, the upper pressing knife heads at the front ends cannot influence forward bending, and the side pressing function of any lower pressing knife can be ensured no matter which lower pressing knife is adjusted to be the most side.
The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the invention and the appended claims, and all equivalent changes and modifications made within the spirit and scope of the invention as claimed should be included in the appended claims.
Claims (10)
1. The utility model provides a bender with adjustable go up stationary knife which characterized in that: comprises a frame (102), wherein a tool apron bracket (25) capable of lifting up and down is arranged on the frame (102) through a lifting driving mechanism (103); a middle pressing cutter (58) which can lift up and down to realize cutter withdrawal is arranged at the middle position of the cutter holder bracket (25); the two sides of the middle pressing knife (58) are respectively provided with a positioning upper pressing knife (37) with correspondingly adjustable positions, and the outer sides of the positioning upper pressing knives (37) on the two sides are respectively provided with a row of upper pressing knives (12) with adjustable positions; a rotary blade (101) adjusted by a propelling mechanism and a rotating mechanism is correspondingly arranged above the upper pressing knife (12); the rotary blade (101) can rotate from top to bottom to be matched with the upper pressing knife (12) for use; a lower pressing knife (104) matched with the upper pressing knife (12) is further installed at the lower end of the rack (102), and an upper bending knife (53) and a lower bending knife (54) corresponding to the upper pressing knife (12) and the lower pressing knife (104) are installed at the inner side part of the knife rest support (25) on the rack (102); the two bending knives are correspondingly arranged on the rack (102) through a bending knife driving mechanism (105) to realize the bending matching with the upper and lower pressing knives; and a matched bending machine feeding mechanism (106) is also arranged on the outer side of the frame (102).
2. The adjustable bending machine with the upper pressing knife according to claim 1, is characterized in that: two tool holders (26) used for installing the upper pressing tool (12) are arranged at the lower end of the tool holder support (25), and a space is reserved between the two tool holders (26); belt motors (27) are further mounted at the outer side ends of the two tool apron bodies (26), belt pulleys (28) are correspondingly mounted on the belt motors (27), the belt pulleys (28) are also mounted at the inner side ends of the two tool apron bodies (26), a belt (29) is mounted between the two corresponding belt pulleys (28), and the belt (29) is arranged above the tool apron bodies (26);
the tool apron (26) is correspondingly provided with an upper pressing tool (12), the upper end of the upper pressing tool (12) is provided with a mounting groove (13) matched with the tool apron (26) in shape, and the upper pressing tool (12) is embedded on the tool apron (26) through the mounting groove (13) and can correspondingly move on the tool apron (26) under the driving of external force;
the upper end of each upper pressing cutter (12) is provided with a clamping cylinder (23), the clamping cylinder (23) is correspondingly provided with two chucks (24), the two chucks (24) are arranged above the cutter holder (26) one on the other and correspond to the arrangement position of the belt (29), the two chucks (24) can vertically clamp the belt (29) under the action of the clamping cylinder (23), and move along with the belt (29) under the condition that the belt motor (27) is started.
3. The adjustable bending machine with the upper pressing knife according to claim 2, is characterized in that: two sides of the middle of the tool apron support (25) are also correspondingly provided with movable mounting seats (31), and the propelling mechanism and the rotating mechanism are correspondingly arranged on the mounting seats (31); the rotating mechanism comprises a rotating device (41), a rotating shaft (7) transversely extends out of the rotating device (41), and a shifting shaft (8) which is arranged in parallel with the rotating shaft (7) is correspondingly arranged at the shaft end of the rotating shaft (7) through a connecting plate (42); a limiting shaft (9) parallel to the displacement shaft (8) is arranged above the displacement shaft (8); the positions of the displacement shaft (8) and the limiting shaft (9) are arranged to correspond, the displacement shaft (8) is arranged on the outer side, the limiting shaft (9) is arranged on the inner side, a drop height is formed between the displacement shaft (8) and the limiting shaft (9) in the vertical direction, and the horizontal direction is in a butt joint state; a rotating shaft hole (4) arranged on the rotating blade (101) is correspondingly installed with a rotating shaft (7), a displacement shaft (8) arranged on the rotating blade (101) is correspondingly installed with a rotating displacement hole (5), and a limiting shaft (9) arranged on the rotating blade (101) is correspondingly installed with a rotating limiting hole (6);
the pushing device (40) is correspondingly provided with a push plate (43), the position of the push plate (43) corresponds to the outer side end face of the rotary blade (101), the lower end of the push plate (43) is provided with a limiting sleeve hole (48), the limiting sleeve hole (48) is correspondingly sleeved on the rotating shaft (7) of the rotating device (41), the push plate (43) further extends inwards to be provided with an integrated pull plate (44), and the position of the pull plate (44) corresponds to the inner side end face of the rotary blade (101).
4. The adjustable bending machine with the upper pressing knife according to claim 3, is characterized in that: the positioning seats (32) are correspondingly arranged between the mounting seats (31) on two sides, the positioning seats (32) are fixed in the middle positions of the knife rest support seats (25), the two mounting seats (31) are further provided with limiting cylinders (33), the limiting cylinders (33) on the two sides are transversely arranged correspondingly, cylinder rods (34) of the limiting cylinders (33) on the two sides all extend inwards to be fixed on the positioning seats (32) in the middle, guide rail grooves (35) are correspondingly mounted on the back surfaces of the mounting seats (31) on the two sides, guide rails (36) are correspondingly mounted on the knife rest support seats (25), the mounting seats (31) on the two sides are correspondingly butted and mounted on the knife rest support seats (25) through the matching of the guide rail grooves (35) and the guide rails (36), and the positions of the positioning seats (32) on the two sides can be adjusted leftwards and rightwards.
5. The adjustable bending machine with the upper pressing knife according to claim 4, is characterized in that: the positioning upper pressing knives (37) are arranged at the inner side parts of the lower ends of the mounting seats (31) at two sides and can be adjusted along with the mounting seats (31), the upper pressing knives (12) arranged on the knife holder (26) are correspondingly arranged at the two outer side parts of the positioning upper pressing knives (37), the middle pressing knives (58) are correspondingly arranged between the two positioning upper pressing knives (37), and the inner side surfaces of the positioning upper pressing knives (37) at two sides are correspondingly provided with lateral pressing knife heads (19) and middle pressing knife withdrawing grooves (38) corresponding to the middle pressing knives (58); the upper end of the middle pressing knife (58) is correspondingly provided with a middle pressing knife driving mechanism (59), the middle pressing knife driving mechanism (59) is fixed at the middle position of the knife holder support (25) through a fixing frame (62), a driving rod (63) of the middle pressing knife driving mechanism (59) is downwards connected with a lifting plate (64), the lifting plate (64) is correspondingly provided with a lifting guide rail groove (65), and the knife holder support (25) is correspondingly provided with a lifting guide rail (66), so that the middle pressing knife (58) can be lifted up and down.
6. The adjustable bending machine with the upper pressing knife according to claim 5, is characterized in that: the mounting seat (31) is also provided with a stop motor (45), the stop motor (45) is provided with a rotatable stop plate (46), the setting position of the stop plate (46) corresponds to the position of the limiting shaft (9), and the stop plate (46) is clamped at the end part of the limiting shaft (9) and can be turned upwards under the action of the stop motor (45); a plurality of mounting plates (47) at different positions are arranged on the mounting seat (31); the propelling device (40), the rotating device (41), the rotating shaft (7) and the limiting shaft (9) are respectively and correspondingly fixed on the mounting plate (47).
7. The adjustable bending machine with the upper pressing knife according to claim 5, is characterized in that: the shapes of the positioning upper pressing knife (37), the upper pressing knife (12), the rotary blade (101) and the centering pressing knife (58) are all matched; the middle pressing knife (58) is positioned at the most middle position and can realize up-and-down adjustment and movement, the front end of the middle pressing knife is provided with an upper pressing knife head (14), and two sides of the middle pressing knife head are of a plane structure; the positioning upper pressing knives (37) are positioned at two sides of the middle pressing knife (58), are fixed on the mounting seat (31), can be adjusted along with the mounting seat (31), are provided with upper pressing knife heads (14) at the front ends, are provided with lateral pressing knife heads (19) and middle pressing knife withdrawal grooves (38) corresponding to the middle pressing knife (58) at the two inner sides, and are also arranged in a plane way at the two outer sides; the upper pressing knives (12) are correspondingly arranged on the knife holder (26) and can move freely under the action of the clamping cylinder (23) and the belt motor (27), the front ends of the upper pressing knives (12) are provided with corresponding upper pressing knife heads (14), the outer sides of the upper pressing knives (12) are provided with lateral pressing knife heads (19), and the upper ends of the lateral pressing knife heads (19) of each upper pressing knife (12) are also provided with avoidance grooves (18); the rotary blade (101) is arranged on the mounting seat in an adjustable mode, the lower end of the rotary blade is also provided with a rotary cutter head (10) corresponding to the shape of an upper pressing cutter head (12) of the upper pressing cutter (12), and when a gap appears between adjacent lower pressing cutters (12) after adjustment, the rotary blade (101) corresponding to the upper position can be embedded into the gap in a downward rotating mode.
8. The adjustable bending machine with the upper pressing knife according to claim 7, is characterized in that: the rotary blade (101) is arranged in a sheet shape and comprises a blade front end part (1), a blade middle end part (2) and a blade rear end part (3); the front end part (1) of the blade is arranged in parallel with the rear end part (3) of the blade, and the front end part (1) of the blade and the rear end part (3) of the blade are connected into a whole through a middle end part (2) of the blade which is obliquely arranged; the rotating shaft hole (4), the rotating displacement hole (5) and the rotating limiting hole (6) are correspondingly arranged on the front end part (1) of the blade; the rotary cutter head (10) is arranged at the bottom of the rear end part (3) of the blade, and a position avoiding groove (11) extending to the upper end position of the rear end part (3) of the blade is also arranged at the position of the middle end part (2) of the blade; the avoiding groove (11) is correspondingly matched with an installation groove (13) arranged at the upper end of an upper pressing knife (12) in the bending machine in shape.
9. The adjustable bending machine with the upper pressing knife according to claim 8, is characterized in that: the upper end surface of the front side groove wall of the mounting groove (13) on the upper pressing cutter (12) is correspondingly provided with a vertical mounting hole (16), the rear side groove wall of the mounting groove (13) is also correspondingly provided with a mounting groove (17), two sides of the mounting groove (17) are correspondingly provided with transverse mounting holes (16), and the outer side of the end seat (15) at the position corresponding to the mounting groove (17) is also provided with the mounting hole (16); the belt motors (27) are detachably mounted through motor bases (30) arranged on the outer sides of the lower ends of the tool holders (26), the belt motors (27) on the two sides are correspondingly mounted on the rear sides of the tool holders (26), and the belt motors (27) on the two sides and belt pulleys (28) on the inner sides are arranged at the same height; the rear side of the mounting groove (13) at the upper end of the upper pressing cutter (12) is provided with a cylinder seat (22), a clamping cylinder (23) is detachably mounted through the cylinder seat (22), the front side of the mounting groove (13) is correspondingly provided with a clamping seat (21), and the upper pressing cutter (12) is embedded on a cutter seat (26) through the matching of the mounting groove (13), the cylinder seat (22) at the front side and the clamping seat (21) at the rear side.
10. The adjustable bending machine with the upper pressing knife according to claim 9, is characterized in that: mounting grooves (17) are formed in the rear end of the mounting groove (13) and the cylinder seat (22), the clamping cylinder (23) is correspondingly fixed in the mounting grooves (17), and a cylinder nozzle is correspondingly arranged on the clamping cylinder (23); the rear end face of the centering pressing knife (58) is provided with a long groove (59) which penetrates from the lower end to the upper end, two sides of the upper end of the long groove (59) are provided with L-shaped grooves (60), and two sides of the lower end of the long groove (59) extend to be provided with triangular grooves (61); the upper and lower L-shaped grooves (60) and the triangular grooves (61) have the same groove depth.
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| CN202011133649.2A CN112238166B (en) | 2020-10-21 | 2020-10-21 | Bending machine with adjustable upper pressing cutter |
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|---|---|---|---|
| CN202011133649.2A CN112238166B (en) | 2020-10-21 | 2020-10-21 | Bending machine with adjustable upper pressing cutter |
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| CN112238166B CN112238166B (en) | 2022-06-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113617902A (en) * | 2021-07-16 | 2021-11-09 | 南京蓝昊智能科技有限公司 | Automatic adjustable upward-pressing combined mechanism of bending machine |
| 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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