CN112893527A - Flexible bending center pressure arm overall structure - Google Patents
Flexible bending center pressure arm overall structure Download PDFInfo
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- CN112893527A CN112893527A CN202110073247.6A CN202110073247A CN112893527A CN 112893527 A CN112893527 A CN 112893527A CN 202110073247 A CN202110073247 A CN 202110073247A CN 112893527 A CN112893527 A CN 112893527A
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- 230000007246 mechanism Effects 0.000 claims abstract description 82
- 238000003825 pressing Methods 0.000 claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 238000005452 bending Methods 0.000 claims abstract description 16
- 239000003638 chemical reducing agent Substances 0.000 claims description 27
- 230000008878 coupling Effects 0.000 description 14
- 238000010168 coupling process Methods 0.000 description 14
- 238000005859 coupling reaction Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000001360 synchronised effect Effects 0.000 description 7
- 238000003754 machining Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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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
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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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
Abstract
The invention discloses an integral structure of a flexible bending central pressure arm, which comprises a C-shaped pressure arm, wherein a sliding mechanism is arranged below the C-shaped pressure arm, a pressing mechanism is connected with the free end above the C-shaped pressure arm, the pressing mechanism comprises a first driving unit, a first transmission mechanism and a pressure shaft, a pressure-bearing mechanism is connected with the free end below the C-shaped pressure arm, the pressure-bearing mechanism comprises a second driving unit, a pressure-bearing shaft, a pressure-bearing disc, a pressure-bearing seat and a rotating base block, wherein the pressure-bearing seat is fixedly connected on the C-shaped pressure arm, the rotating base block is rotatably connected with the pressure-bearing seat through a bearing, the pressure-bearing shaft is fixedly connected with the rotating base block, the rotating base block can bear the pressure-bearing shaft with a large diameter, higher structural strength is ensured, the service life and the processing stability of equipment are favorably improved, a follow-up third driving unit is also arranged on the first transmission mechanism, and the third driving unit can transmit the rotating motion to, the higher position precision of the plate can be ensured; in addition, a positioning mechanism is further arranged, so that workers can conveniently carry out feeding and positioning.
Description
Technical Field
The invention relates to the technical field of bending equipment, in particular to an integral structure of a flexible bending central pressure arm.
Background
With the continuous development of the metal plate industry, a flexible bending center begins to slowly occupy the bending industry market and can replace a common bending machine to become a standard product of the metal plate industry, the flexible bending center feeding modes in the market at present are mainly divided into three modes, one mode is a sucker feeding mode, the feeding mode depends on the vacuum principle to suck a plate and realize feeding action, but because the vacuum sucker is made of soft materials, the plate generates position deviation and the plate bending precision is influenced because the sucker can deform in the rotating and translating processes of the plate with a larger adsorption size; the second type is a gantry pressing arm structure, the feeding mode adopts a gantry structure, plates can be stably pressed, but in order to ensure the strength of the gantry structure, the distance between cross beams of the gantry structure is too large, the volume of the whole machine equipment is increased, and the minimum bending size of the plates is limited. The third type is a C-shaped pressure arm structure, a slippage mechanism is arranged below the C-shaped pressure arm, a pressure-bearing mechanism is arranged at the free end below the C-shaped pressure arm structure, a pressing mechanism is arranged at the free end above the C-shaped pressure arm, a pressing shaft in the pressing mechanism and a pressure-bearing disc in the pressure-bearing mechanism are matched to press a plate and drive the plate to rotate and feed, the existing driving unit for driving the pressure-bearing disc to rotate and the free end below the C-shaped pressure arm adopt a vertical installation mode, the diameter of the pressing shaft is small due to the constraint of an installation space, and an output shaft part of the driving unit is connected with the pressure-bearing shaft part through a coupler, wherein the coupler generates a small gap due to abrasion after working for a long time, so that the integral precision; in addition, in the existing C-shaped pressing arm structure, a pressing shaft in a pressing mechanism is a follow-up part in the process of rotating the plate, and an independent driving power source is not provided, so that resistance can be applied to the rotation of the plate by the follow-up part in the rotating process of the plate, the rotating precision of the plate can be influenced after the plate is used for a long time, and the processing precision is further influenced; moreover, the mechanism for positioning the plate is not arranged in the existing C-shaped pressure arm structure, so that the plate cannot be positioned in the rotating or conveying process, and cannot be righted in time after the position deviation of the relative pressure-bearing mechanism occurs, and the processing precision is further influenced.
Disclosure of Invention
The invention discloses an integral structure of a flexible bending center press arm, which solves the technical problems that when a C-shaped press arm structure drives a plate to rotate in sheet metal machining production, a press shaft is driven to rotate to cause large plate rotation resistance and small bearing shaft diameter, and equipment machining precision is reduced after long-time working, solves the technical problem that the plate cannot be timely positioned and centered when the plate moves and bends in the prior art, and has the technical effects of exquisite structure, convenience in feeding and positioning, high machining precision and long service life. The adopted technical scheme is as follows:
a flexible bending center pressure arm overall structure comprises a C-shaped pressure arm, wherein a sliding mechanism is arranged below the C-shaped pressure arm, a pressing mechanism is connected to the free end above the C-shaped pressure arm, the pressing mechanism comprises a first driving unit, a first transmission mechanism and a pressure shaft, the pressure shaft is arranged below the first transmission mechanism and is rotatably connected with the first transmission mechanism, the first driving unit can drive the pressure shaft to move up and down along a vertical guide rail arranged on the C-shaped pressure arm through the first transmission mechanism, the free end below the C-shaped pressure arm is connected with a pressure bearing mechanism, the pressure bearing mechanism comprises a second driving unit, a pressure bearing shaft and a pressure bearing disc arranged above the pressure bearing shaft, when a plate workpiece is pressed on the pressure bearing disc through the pressure shaft, the second driving unit can drive the pressure bearing disc to drive the plate workpiece to rotate through the pressure bearing shaft, and a third driving unit arranged on the first transmission mechanism, the third driving unit may transmit a rotational motion to the pressing shaft to rotate the pressing shaft and the pressure bearing disk in synchronization.
On the basis of the technical scheme, the bearing mechanism further comprises a bearing seat and a rotary base block, the bearing seat is fixedly connected with the C-shaped pressure arm, the rotary base block is arranged on the bearing seat and is rotatably connected with the bearing seat through a bearing, the bearing shaft is fixedly connected onto the rotary base block, and the second driving unit is fixedly connected with the bearing seat and can transmit rotary motion to the rotary base block.
On the basis of the technical scheme, the second driving unit comprises a second servo motor and a second speed reducer connected with the second servo motor, the second speed reducer is fixedly connected below the bearing seat through a second speed reducer support, and the second servo motor can transmit rotary motion to the rotary base block through the second speed reducer.
On above-mentioned technical scheme's basis, still include positioning mechanism, positioning mechanism includes that the level locates the rodless cylinder on the C type pressure arm, one side of movable block has the locating piece through a plurality of spring rigid couplings on the rodless cylinder, be equipped with the guide post in the spring, and the one end and the movable block rigid coupling of guide post, the rodless cylinder can drive locating piece and panel side butt or keep away from panel.
On the basis of the technical scheme, the device further comprises a second air cylinder, wherein the first end, close to the pressure bearing mechanism, of the rodless air cylinder is hinged to the C-shaped pressure arm, the second end of the rodless air cylinder is fixedly connected with the end part of a movable rod of the second air cylinder, and the second air cylinder is hinged to the C-shaped pressure arm through two air cylinder lugs and can drive the rodless air cylinder to rotate around the first end of the rodless air cylinder.
On the basis of the technical scheme, the first driving unit comprises a first servo motor and a first speed reducer connected with the first servo motor, the first speed reducer is fixedly connected to the top surface of the C-shaped pressing arm through a first speed reducer support, the first transmission mechanism is a slider-crank mechanism and comprises a speed reducer output disc, a connecting rod and a motion base block which are sequentially connected, and the first servo motor can transmit rotary motion to the speed reducer output disc and drive the motion base block to move up and down along the vertical guide rail.
On the basis of the technical scheme, the third driving unit comprises a third servo motor fixedly connected below the moving base block, and the third servo motor transmits the rotary motion to the pressure shaft through a synchronous belt and a synchronous belt wheel.
On the basis of the technical scheme, the pressing shaft comprises an upper pressing shaft and a lower pressing shaft which is detachably connected with the upper pressing shaft, the upper portion of the upper pressing shaft is rotatably connected with the first transmission mechanism through a bearing, a pressing plate is arranged below the lower pressing shaft, and anti-skidding patterns are arranged on the bottom surface of the pressing plate.
On the basis of the technical scheme, the bearing shaft comprises an upper bearing shaft and a lower bearing shaft, the upper bearing shaft and the lower bearing shaft are detachably connected through a pin shaft, the upper bearing shaft is fixedly connected with a bearing disc, the top surface of the bearing disc is provided with anti-skidding threads, and the lower bearing shaft is fixedly connected with a rotating base block.
Advantageous effects
The third driving unit can transmit the rotation motion to the pressing shaft to enable the pressing shaft and the bearing disc to synchronously rotate, the resistance in the plate rotating process is small, the high position precision and the machining precision of the plate can be guaranteed, the product quality is improved, and the condition that the plate has slight position errors due to the fact that the pressing shaft is a follow-up part and the resistance is large in the plate rotating process in the prior art is overcome.
The C-shaped pressing arm is small in structure, the throat is provided with the positioning mechanism, so that when the plate is placed in place, the positioning mechanism can perform auxiliary positioning on the plate, the feeding and positioning time of workers is saved, and the production efficiency is improved. In addition, the first end of the positioning mechanism close to the pressure bearing mechanism is hinged to the C-shaped pressure arm, and the second end of the positioning mechanism can rotate around the first end of the positioning mechanism under the action of the second cylinder, so that when the pressure bearing mechanism and the pressing mechanism drive the plate to rotate, the second cylinder can drive the second end of the positioning mechanism to rotate downwards to enable the top surface of the positioning mechanism to be lower than the bottom surface of the plate, the plate is prevented from interfering with the positioning mechanism when rotating, meanwhile, compared with a mode that the movable block is displaced to the farthest end to leave a space for plate rotation, the mode that the top surface of the positioning mechanism is lower than the bottom surface of the plate through rotation is more favorable for saving the time for adjusting the equipment, and the production efficiency is.
The bearing mechanism comprises a bearing seat fixedly connected with the C-shaped pressure arm and a rotary base block driven by the second driving unit, the bearing shaft is fixedly connected on the rotary base block, and the rotary base block has higher structural strength and can bear the bearing shaft with a large diameter, so that the structural strength of the bearing mechanism can be greatly enhanced, and the service life and the processing precision of equipment can be improved; in addition, the bearing shaft comprises an upper bearing shaft and a lower bearing shaft, the upper bearing shaft and the lower bearing shaft are connected through a pin shaft, on one hand, parts of equipment are simplified, and on the other hand, the phenomenon that when a coupler is used in the prior art, a plate caused by abrasion of the coupler is easy to have position errors during rotation, so that the machining precision is low is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary of the invention, and that other embodiments can be derived from the drawings provided by those skilled in the art without inventive effort.
FIG. 1: the structure of the front view of the invention is schematic;
FIG. 2: the invention is a schematic three-dimensional structure;
Detailed Description
The invention is further illustrated by the following figures and examples:
reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in figures 1-2, a flexible bending center pressure arm overall structure comprises a C-shaped pressure arm 1, the C-shaped pressure arm 1 is provided with a sliding mechanism, the sliding mechanism comprises a sliding lead screw, a fourth servo motor and a sliding guide rail fixed on a base of a bending machine, and the fourth servo motor drives a nut slider matched with the sliding lead screw to slide left and right along the sliding guide rail through driving the sliding lead screw.
The free end above the C-shaped pressure arm 1 is connected with a pressing mechanism 2, the pressing mechanism 2 comprises a first driving unit 21, a first transmission mechanism and a pressure shaft 23, the first driving unit 21 comprises a first servo motor, the first servo motor is connected with a first speed reducer 22, the first speed reducer 22 is fixedly connected to the top surface of the C-shaped pressure arm 1 through a first speed reducer support, the first transmission mechanism is a crank-slider mechanism in the embodiment and comprises a speed reducer output disc 24, a connecting rod 25 and a motion base block 26 which are sequentially connected, a slider matched with a vertical guide rail 27 is further arranged on the side surface of the motion base block 26, the first servo motor can transmit rotary motion to the speed reducer output disc 24 and drive the motion base block 26 to move up and down along the vertical guide rail 27 arranged on the C-shaped pressure arm 1, the pressure shaft 23 comprises an upper pressure shaft and a lower pressure shaft detachably connected with the upper pressure shaft, the upper portion of going up the last pressure shaft is connected with motion basic block 26 through bearing and deep groove ball bearing rotation, the below of pushing down the axle is equipped with claw shape pressure disk, just the bottom surface of pressure disk is equipped with anti-skidding line. Still include third drive unit 28, third drive unit 28 includes third servo motor, and third servo motor just locates motion base block 26 below with motion base block 26 rigid coupling, and third servo motor's rotor end rigid coupling has synchronous pulley, it has synchronous pulley to go up the clamp shaft lateral wall rigid coupling, and two synchronous pulleys are equipped with the hold-in range outward, so third servo motor passes through hold-in range and synchronous pulley and transmits rotary motion to clamp shaft 23, makes clamp shaft 23 and bearing disc synchronous rotation. In other embodiments of the present invention, the first transmission mechanism may be a screw transmission mechanism for driving the moving base block to move up and down.
The free end of C type pressure arm 1 below is connected with pressure-bearing mechanism 3, pressure-bearing mechanism 3 includes second drive unit 31, bearing shaft 32, locates bearing plate, bearing seat 33 and the rotatory base block 34 of bearing shaft 32 top, bearing shaft 32 includes bearing shaft and lower bearing shaft, just go up bearing shaft and lower bearing shaft and can dismantle the connection through the round pin axle, go up bearing shaft top and bearing plate rigid coupling, just the top surface of bearing plate is equipped with anti-skidding line, lower bearing shaft and rotatory base block 34 rigid coupling.
The pressure bearing seat 33 is fixedly connected with the C-shaped pressure arm 1, the rotary base block 34 is rotatably connected with the pressure bearing seat 33 through a bearing and a deep groove ball bearing, and the second driving unit 31 is fixedly connected with the pressure bearing seat 33 and can transmit rotary motion to the rotary base block 34. Second drive unit 31 includes second servo motor, second servo motor is connected with the second speed reducer, the second speed reducer passes through second speed reducer support and bearing seat rigid coupling and locates the bearing seat below, promptly second servo motor accessible second speed reducer transmits rotary motion to rotatory base block 34, when the panel work piece compresses tightly on the bearing dish through the pressure disk, pressure disk and bearing dish can drive the panel work piece and rotate, can guarantee higher rotation precision, are favorable to improving panel machining precision.
Still include positioning mechanism 4, in this embodiment positioning mechanism includes no pole cylinder 41 of rigid coupling on C type pressure arm, one side of movable block 42 has locating piece 43 through a plurality of spring rigid couplings on no pole cylinder 41, be equipped with the guide post in the spring, and the one end and the movable block rigid coupling of guide post, no pole cylinder 41 can drive locating piece 43 and panel side butt or keep away from panel. Still include second cylinder 47, rodless cylinder 41 has the dwang near the first end rigid coupling of pressure-bearing mechanism 3, and is equipped with the bearing frame on being close to the C type pressure arm 1 of pressure-bearing mechanism 3, and the dwang passes through the bearing with the bearing frame and articulates, rodless cylinder 41's second end rigid coupling has L shaped plate 46, and L shaped plate 46's horizontal part and second cylinder 47's movable rod tip rigid coupling, second cylinder 47 is through cylinder ears and C type pressure arm 1 articulated and can drive rodless cylinder 41's second end and rotate around its first end. In other embodiments of the present invention, the rodless cylinder 41 in the positioning mechanism 4 may be replaced by a linear guide rail disposed on the C-shaped press arm 1, a moving block matched with the linear guide rail, and an electric push rod or a common cylinder driving the moving block to slide on the linear guide rail.
In addition, in other embodiments of the invention, a highly intelligent control system can be further provided to assist in realizing the automatic production process of the plate, i.e., the bending operation can be completed without manual intervention in the process from feeding to blanking of the plate, which is beneficial to improving the production efficiency and improving the product quality.
Working process
Before the flexible bending center works, a second servo motor and a third servo motor are started to enable the pressure plate and the bearing plate to rotate to the zero position, then, the plate to be processed is manually placed on the bearing disc, then the second air cylinder 47 is started to enable the second end of the rodless air cylinder 41 to ascend, and when the rodless cylinder 41 is in a horizontal state, the second end stops rising, then the rodless cylinder 41 is started and the movable block 42 on the rodless cylinder moves towards the direction close to the plate, the movable block 42 continues moving forwards after the positioning block 43 contacts the side surface of the plate, when the pressing force between the positioning block 43 and the plate reaches the set value or the movable block 42 moves forward to the set value, the rodless cylinder 41 stops working, then the first servo motor drives the pressing shaft to move downwards and press the plate, when the pressing force reaches a set value or moves downwards to a set value, the first servo motor stops working, then the C-shaped pressing arm 1 structure displaces relative to the sliding mechanism, and the plate is moved to a bending position to be bent; if the plate needs to be bent again at a rotation angle after being bent, the C-shaped pressing arm 1 structure drives the plate to return to the initial position, then the rodless cylinder 41 is started, the rodless cylinder drives the movable block 42 on the rodless cylinder to move backwards by a set displacement value, meanwhile, the second cylinder 47 drives the second end of the rodless cylinder 41 to move downwards, when the top surface of the movable block 42 is lower than the bottom surface of the plate, the rodless cylinder 41 and the second cylinder 47 stop working, then the second servo motor and the third servo motor are started, when the plate rotates to a set angle, the second servo motor and the third servo motor stop working, and the steps are repeated in such a circulating manner to realize the bending operation.
The present invention has been described above by way of example, but the present invention is not limited to the above-described specific embodiments, and any modification or variation made based on the present invention is within the scope of the present invention as claimed.
Claims (9)
1. A flexible bending center pressure arm overall structure comprises a C-shaped pressure arm (1), wherein a sliding mechanism is arranged below the C-shaped pressure arm (1), a lower pressure mechanism (2) is connected to the free end above the C-shaped pressure arm (1), the lower pressure mechanism (2) comprises a first driving unit (21), a first transmission mechanism and a pressure shaft (23), the pressure shaft (23) is arranged below the first transmission mechanism and is rotationally connected with the first transmission mechanism, the first driving unit (21) can drive the pressure shaft (23) to move up and down along a vertical guide rail (27) arranged on the C-shaped pressure arm (1) through the first transmission mechanism, the free end below the C-shaped pressure arm (1) is connected with a pressure bearing mechanism (3), the pressure bearing mechanism (3) comprises a second driving unit (31), a pressure bearing shaft (32) and a pressure bearing disc arranged above the pressure bearing shaft (32), and when a plate workpiece is pressed on the pressure bearing disc through the pressure shaft (23), the plate pressing mechanism is characterized by further comprising a third driving unit (28) arranged on the first transmission mechanism, wherein the third driving unit (28) can transmit rotary motion to the pressing shaft (23) to enable the pressing shaft (23) and the pressure bearing disc to rotate synchronously, and the second driving unit (31) can drive the pressure bearing disc to drive the plate workpiece to rotate through the pressure bearing shaft (32).
2. The flexible bending central pressure arm overall structure according to claim 1, wherein the pressure bearing mechanism (3) further comprises a pressure bearing seat (33) and a rotating base block (34), the pressure bearing seat (33) is fixedly connected with the C-shaped pressure arm (1), the rotating base block (34) is arranged on the pressure bearing seat (33) and is rotatably connected with the pressure bearing seat (33) through a bearing, the pressure bearing shaft (32) is fixedly connected on the rotating base block (34), and the second driving unit (31) is fixedly connected with the pressure bearing seat (33) and can transmit the rotating motion to the rotating base block (34).
3. The overall structure of the flexible bending center pressure arm according to claim 2, wherein the second driving unit (31) comprises a second servo motor, the second servo motor is connected with a second speed reducer, the second speed reducer is fixedly connected below the bearing seat (33) through a second speed reducer support, and the second servo motor can transmit the rotary motion to the rotary base block (34) through the second speed reducer.
4. The integral structure of the flexible bending center press arm according to claim 1, further comprising a positioning mechanism (4), wherein the positioning mechanism (4) comprises a rodless cylinder (41) horizontally arranged on the C-shaped press arm (1), a positioning block (43) is fixedly connected to one side of a movable block (42) on the rodless cylinder (41) through a plurality of springs, guide posts are arranged in the springs, one ends of the guide posts are fixedly connected with the movable block (42), and the rodless cylinder (41) can drive the positioning block (43) to abut against the side face of the plate or to be away from the plate.
5. The flexible bending central pressure arm overall structure according to claim 4, further comprising a second air cylinder (47), wherein a first end of the rodless air cylinder (41) close to the pressure bearing mechanism (3) is hinged to the C-shaped pressure arm (1), a second end of the rodless air cylinder (41) is fixedly connected with a movable rod end portion of the second air cylinder (47), and the second air cylinder (47) is hinged to the C-shaped pressure arm (1) through two air cylinder lugs to drive the rodless air cylinder (41) to rotate around the first end of the second air cylinder.
6. The flexible bending center press arm overall structure as claimed in claim 1, wherein the first driving unit (21) comprises a first servo motor, the first servo motor is connected with a first speed reducer (22), the first speed reducer (22) is fixedly connected to the top surface of the C-shaped press arm (1) through a first speed reducer support, the first transmission mechanism is a slider-crank mechanism and comprises a speed reducer output disc (24), a connecting rod (25) and a motion base block (26) which are sequentially connected, and the first servo motor can transmit rotary motion to the speed reducer output disc (24) and drive the motion base block (26) to move up and down along a vertical guide rail (27).
7. Flexible bending central pressure arm whole structure according to claim 6, characterized in that the third driving unit (28) comprises a third servomotor fixed under the moving base block (26), which transmits the rotation motion to the pressure shaft (23) through a timing belt and a timing pulley.
8. The flexible bending central pressure arm overall structure according to any one of claims 1-7, wherein the pressure shaft (23) comprises an upper pressure shaft and a lower pressure shaft detachably connected with the upper pressure shaft, the upper portion of the upper pressure shaft is rotatably connected with the first transmission mechanism through a bearing, a pressure plate is arranged below the lower pressure shaft, and anti-skid patterns are arranged on the bottom surface of the pressure plate.
9. The flexible bending central pressure arm overall structure according to any one of claims 2-7, characterized in that the bearing shaft (32) comprises an upper bearing shaft and a lower bearing shaft, the upper bearing shaft and the lower bearing shaft are detachably connected through a pin shaft, the upper bearing shaft is fixedly connected with a bearing disc, the top surface of the bearing disc is provided with anti-skid grains, and the lower bearing shaft is fixedly connected with a rotating base block (34).
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| CN202110073247.6A CN112893527A (en) | 2021-01-20 | 2021-01-20 | Flexible bending center pressure arm overall structure |
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| CN202110073247.6A CN112893527A (en) | 2021-01-20 | 2021-01-20 | Flexible bending center pressure arm overall structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160691A (en) * | 2022-02-11 | 2022-03-11 | 瑞铁机床（苏州）股份有限公司 | Bending center front feeding equipment |
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| CN209792325U (en) * | 2019-04-12 | 2019-12-17 | 扬州汉智数控机械有限公司 | Feeding rotary manipulator |
| CN111545660A (en) * | 2020-06-08 | 2020-08-18 | 青岛艾特智能装备有限公司 | Pressing arm type bending center feeding mechanism |
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2021
- 2021-01-20 CN CN202110073247.6A patent/CN112893527A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3467518D1 (en) * | 1983-10-04 | 1987-12-23 | Haemmerle Ag Maschf | Device for manipulating metal sheets |
| CN103372586A (en) * | 2012-04-28 | 2013-10-30 | 李向普 | Novel numerical control bending machine |
| CN103990671A (en) * | 2014-03-21 | 2014-08-20 | 银都餐饮设备股份有限公司 | Multifunctional bending machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160691A (en) * | 2022-02-11 | 2022-03-11 | 瑞铁机床（苏州）股份有限公司 | Bending center front feeding equipment |
| CN114160691B (en) * | 2022-02-11 | 2022-05-06 | 瑞铁机床（苏州）股份有限公司 | Bending center front feeding equipment |
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Application publication date: 20210604 |