CN111570638A - Hydraulic engine cover bending forming mechanism - Google Patents
Hydraulic engine cover bending forming mechanism Download PDFInfo
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- CN111570638A CN111570638A CN202010446806.9A CN202010446806A CN111570638A CN 111570638 A CN111570638 A CN 111570638A CN 202010446806 A CN202010446806 A CN 202010446806A CN 111570638 A CN111570638 A CN 111570638A
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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
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/02—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
- B21D39/021—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder for panels, e.g. vehicle doors
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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
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
Abstract
The invention discloses a hydraulic engine cover bending and forming mechanism, which is characterized in that: the device comprises a bottom plate, a jacking mechanism, an inner plate positioning and pressing mechanism, a plate turnover mechanism, an inner plate pressing mechanism and a hydraulic outer plate bending mechanism; the jacking mechanism and the plate turnover mechanism are arranged on the bottom plate, the inner plate pressing mechanism is arranged at the tail end of the plate turnover mechanism, and the inner plate positioning mechanism and the hydraulic outer plate bending mechanism are arranged on the side face of the plate turnover mechanism. The hydraulic engine cover bending forming mechanism disclosed by the invention solves the problem that the edge covering quality of the engine cover does not reach the standard due to the complex appearance shape; the appearance of the engine cover is attractive after the edge of the engine cover is wrapped, and the quality is stable.
Description
Technical Field
The invention relates to the technical field of preforming of engine hood flanging in the field of automobile manufacturing, in particular to a hydraulic engine hood bending forming mechanism.
Background
In the manufacturing process of the automobile engine hood, in order to ensure the integral aesthetic appearance, a two-layer plate structure of an inner plate covered by an outer plate is well known, however, the outer plate edge-covering difficulty exists in the manufacturing process of the structure: the height of the flanging (shown in figure 2) of the outer plate (shown in figure 1) is 8mm in the stamping manufacturing process, the outer plate can be folded to 120 degrees at most under the condition of the stamping process angle (the angle cannot be folded to be smaller due to the product appearance design stamping die), and the flanging angle of the outer plate must be within 105 degrees to realize the automatic edge covering of the inner plate and the outer plate of the engine. If the angle of the outer plate flanging is 120 degrees, the outer plate flanging can not be completely turned over along the design outline in the manufacturing process, and the appearance forming requirement can not be met. The engine hood belongs to an automobile appearance covering part, accounts for about 20% of the whole covering surface, and directly influences the integral appearance of an automobile. At present, due to the problems of flanging height and angle, a plurality of automobile engine covers can only sacrifice appearance design to meet the requirements of manufacturing process, or adopt a pneumatic flanging mode to reach within 105 degrees.
The flanging angle is affected by pressure, the defect of improper flanging is caused, if the flanging is not identified, the edge covering defect of the engine cover is caused, so that parts are scrapped, and even if the flanging is identified to be improper, manual bending repair is required. The risk of scrapping the cover edge of the engine cover is increased, the repair cost is increased, the production efficiency is influenced, and therefore the requirement of an automobile manufacturer on hydraulic automatic flanging equipment is continuously improved.
Disclosure of Invention
The invention aims to: the defects in the prior art are overcome, the problem that the edge covering quality of the engine cover in the prior art does not reach the standard due to the complex appearance shape is solved, the hydraulic engine cover bending and forming mechanism is provided, the complex appearance shape of the engine cover is guaranteed, and meanwhile the attractive appearance and the stable quality of the edge covering quality of the engine cover are guaranteed.
The technical scheme of the invention is as follows:
the utility model provides a hydraulic pressure bonnet forming mechanism that bends which characterized in that: the device comprises a bottom plate, a jacking mechanism, an inner plate positioning and pressing mechanism, a plate turnover mechanism, an inner plate pressing mechanism and a hydraulic outer plate bending mechanism; the jacking mechanism and the plate turnover mechanism are arranged on the bottom plate, the inner plate pressing mechanism is arranged at the tail end of the plate turnover mechanism, and the inner plate positioning mechanism and the hydraulic outer plate bending mechanism are arranged on the side face of the plate turnover mechanism.
As a further improvement of the scheme, the hydraulic engine cover bending forming mechanism also comprises a control system, after an engine cover outer plate is placed in place, an engine cover inner plate is placed, after a detection switch detects the engine cover, the control system sends a signal to control the action of an electromagnetic valve, a cylinder of an inner plate positioning mechanism stretches out to be in place, the inner plate is positioned, and sends a signal for detecting the engine cover to the control system through the detection switch on the positioning mechanism, a panel turnover mechanism receives the signal of the control system and controls the panel turnover in place through the electromagnetic valve, and sends a signal in place to the control system through a cylinder in place magnetic induction switch, the control system sends an instruction to act through the electromagnetic valve after receiving the signal, an inner plate pressing mechanism acts in place to press the engine cover inner plate, sends a pressing signal in place to the control system through the magnetic induction switch of the, the hydraulic outer plate bending mechanism acts in place through a hydraulic system, a sensor detects that the bending mechanism is in place, an outer plate is formed by bending, after pressure maintaining is carried out for 5s, the hydraulic outer plate bending mechanism opens a detection switch to detect in place, an inner plate pressing mechanism, a plate turning mechanism and an inner plate positioning pressing mechanism are sequentially opened, and finally a jacking mechanism jacks up the engine cover after a magnetic switch detects in place.
As a further improvement of the scheme, the hydraulic engine cover bending and forming mechanism further comprises an inner plate positioning mechanism, the inner plate positioning mechanism is formed by inserting two positioning pins into a front end hole of an inner plate for pressing, and the inner plate pressing mechanism is pressed on the inner plate positioning mechanism; the inner plate hold-down mechanism is a cylinder which can extend downwards to press the inner plate.
As a further improvement of the scheme, the inner plate positioning and pressing mechanism is characterized in that a pin is arranged on the cylinder, the cylinder automatically overturns after the inner plate is in place, the pin is inserted into a hole of the inner plate, and the cylinder action pin presses the inner plate.
As a further improvement of the scheme, when the hydraulic engine cover bending forming mechanism works, the jacking mechanism, the inner plate positioning and pressing mechanism, the panel turnover mechanism, the inner plate pressing mechanism and the hydraulic outer plate bending mechanism are in an open state, the robot puts the buckled inner plate into a profiling tire mold of the special bending machine, after the induction switch detects a workpiece, the inner plate pressing mechanism presses the inner plate, a photoelectric inductive switch is arranged on the inner plate pressing mechanism, the detection distance is 2-3mm, after the engine cover is detected, and after the magnetic induction switch of the cylinder of the inner plate pressing mechanism is sensed in place, the panel turnover mechanism is turned in place, the magnetic induction switch detects and sends a signal in place after the air cylinder is turned in place, the inner plate pressing mechanism extends out to press the inner panel of the engine cover, the magnetic induction switch of the air cylinder detects and sends a signal in place after the air cylinder is turned in place, and the hydraulic outer panel bending mechanism extends out to be in place to bend the flanging angle of the outer panel from 130 degrees to 105 degrees.
As the further improvement of the scheme, the outer plate of the engine cover is positioned by adopting the profiling fetal membrane mechanism, after the outer plate detection mechanism detects that the outer plate is in place, the inner plate pressing detection mechanism presses and positions the inner plate of the engine cover, after the detection switch detects that the outer plate is in place, the inner plate pressing mechanism is adopted to press the position needing to be covered, namely the edge of the inner plate of the engine cover, after the detection switch detects that the inner plate is in place, the hydraulic press drives the hydraulic outer plate bending mechanism to bend the outer plate and maintain the pressure so that the flanging of. The bending knife of the hydraulic outer plate bending mechanism is determined according to the original flanging angle of the engine cover, the flanging height and the flanging angle required to be achieved. After the edge covering is finished, all mechanisms are opened in a reverse sequence according to the edge covering sequence, and a signal capable of being grabbed is sent to the robot.
As a further improvement of the scheme, the plate turnover mechanism comprises a driving air pipe, a turnover frame, a turnover hinge seat and a counterweight plate, the turnover frame is connected with the driving air pipe and the turnover hinge seat, the counterweight plate is arranged on the turnover frame,
the inner plate pressing mechanism comprises a driving cylinder, a linear guide rail, a pressing block, a sliding plate and a limiting block, the driving cylinder, the linear guide rail and the limiting block are arranged at the tail end of the plate turnover mechanism, the sliding plate is arranged on the linear sliding block, and the pressing block is arranged on the sliding plate; the driving cylinder pushes the sliding plate to move back and forth on the linear guide rail, and the compressing and loosening of the engine cover inner plate by the compressing block are realized.
As a further improvement of the scheme, the hydraulic outer plate bending mechanism comprises an outer plate bending knife, a turnover connecting block, a turnover hinge seat and a turnover hydraulic cylinder, the turnover hydraulic cylinder is installed on the turnover hinge seat, the outer plate bending knife is installed on the turnover connecting block, the turnover connecting block is connected with the turnover hydraulic cylinder and connected with the turnover hinge seat, and the bending angle is adjusted by adjusting a gasket between the bending knife and the turnover connecting block.
As a further improvement of the scheme, the turnover connecting block is provided with a photoelectric proximity switch, and a signal can be transmitted to the control system when the turnover connecting block is turned in place and opened in place, so that the hydraulic engine cover bending and forming mechanism can automatically operate.
The invention has the advantages that:
1. the hydraulic engine cover bending forming mechanism disclosed by the invention solves the problem that the edge covering quality of the engine cover does not reach the standard due to the complex appearance shape; the appearance of the engine cover is attractive after the edge of the engine cover is wrapped, and the quality is stable.
2. The redevelopment cost of the appearance of the engine hood product is reduced, and the redevelopment and production and manufacturing cost of the engine hood edge covering die is reduced.
4. The production efficiency of the press for edge covering is improved, and the beat reaches 60JPH, namely 51 s/piece (the comprehensive starting rate of the device is 85%).
5. The efficiency of equipment is improved, the productivity of the mill has been guaranteed.
6. The edge-wrapping bending forming mechanism is low in development and manufacturing cost, is linked with a production line and robot equipment, improves the automation degree of factory equipment, reduces operators and reduces the labor cost;
7. the equipment has simple structure, convenient maintenance and low use and maintenance cost.
Drawings
The invention is further described with reference to the following figures and examples:
FIG. 1 is a schematic view of an outer hood panel according to the present invention.
FIG. 2 is a schematic view of the hood outer panel cuff of the present invention.
Fig. 3 is a schematic view of a hydraulic bonnet bending and forming mechanism according to the present invention.
Fig. 4 is a schematic diagram of a panel turnover mechanism and an inner panel pressing mechanism of the hydraulic engine cover bending forming mechanism.
FIG. 5 is a schematic view of a hydraulic outer plate bending mechanism of the hydraulic bonnet bending and forming mechanism according to the present invention.
Wherein: 1. the jacking mechanism 2, the inner plate pressing detection mechanism 3, the engine cover outer plate flanging 4, the inner plate positioning pressing mechanism 6, the plate overturning mechanism 10 and the inner plate pressing mechanism
12. Hydraulic outer plate bending mechanism 14, profiling tire membrane 15 and hydraulic system
61. Driving air pipe 62, turning frame 63, turning hinge seat 64 and counterweight plate
101. Drive cylinder 102, linear guide 103, pressing block 104 and sliding plate
105. The limiting block 121 comprises an outer plate bending knife 122, a turning connecting block 123, a turning hinge seat 124 and a turning hydraulic cylinder.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1-5, the invention discloses a hydraulic engine cover bending and forming mechanism, which comprises a bottom plate, a jacking mechanism 1, an inner plate positioning and pressing mechanism 4, a plate turnover mechanism 6, an inner plate pressing mechanism 10 and a hydraulic outer plate bending mechanism 12; the jacking mechanism 1 and the panel turnover mechanism 6 are arranged on the bottom plate, in order to prevent interference of taking and placing the engine hood, the inner plate pressing mechanism 10 is arranged at the tail end of the panel turnover mechanism 6, in order to accurately position and make a piece taking and placing channel available, and the inner plate positioning mechanism and the hydraulic outer panel bending mechanism 12 are arranged on the side surface of the panel turnover mechanism 6; after the engine hood outer plate is placed in place, the engine hood inner plate is placed, after the detection switch detects the engine hood, the control system sends a signal to control the action of the electromagnetic valve, the cylinder of the inner plate positioning mechanism stretches out to move in place, the inner plate is positioned, and a signal for detecting the engine hood is sent to the control system through the detection switch on the positioning mechanism, the panel turnover mechanism 6 receives the signal of the control system, controls the panel turnover to turn over in place through the electromagnetic valve, and sends a signal in place to the control system through the cylinder in-place magnetic induction switch, the control system sends a command to act through the electromagnetic valve after receiving the signal, the inner plate pressing mechanism 10 acts in place to press the engine hood inner plate, and sends a pressing in-place signal to the control system through the magnetic induction switch of the pressing mechanism cylinder, the system sends a command after receiving the signal, and (3) bending and forming the outer plate, maintaining the pressure for 5s, opening a detection switch by a hydraulic outer plate bending mechanism 12 to detect in place, sequentially opening an inner plate pressing mechanism 10, a plate turnover mechanism 6 and an inner plate positioning pressing mechanism 4, and finally jacking a bonnet by a jacking mechanism 1 after a magnetic switch detects in place. Thus circulating. The hydraulic engine cover bending forming mechanism disclosed by the invention solves the problem that the edge covering quality of the engine cover does not reach the standard due to the complex appearance shape; the appearance of the engine cover is kept to be complex in shape, the appearance of the engine cover after edge covering is ensured to be attractive, the quality is stable, and the standard of mass production can be achieved.
As a further improvement of the scheme, the hydraulic engine cover bending and forming mechanism further comprises an inner plate positioning mechanism, the inner plate positioning mechanism is formed by inserting two positioning pins into a front end hole of an inner plate for pressing, and the inner plate pressing mechanism 10 presses on the inner plate positioning mechanism; the inner plate pressing mechanism 10 is a cylinder capable of downwardly extending and pressing the inner plate. The inner plate pressing mechanism 10 presses the inner plate when the inner plate is afraid of moving; the inner plate is too big, just can not cluster in pressing into the inner plate like this. The equipment has simple structure, convenient maintenance and low use and maintenance cost.
As a further improvement of the scheme, the inner plate positioning and pressing mechanism 4 is characterized in that a pin is arranged on the cylinder, after the inner plate is in place, the cylinder automatically overturns, the pin is inserted into a hole of the inner plate, and the cylinder action pin presses the inner plate tightly. The edge-covering bending forming mechanism is low in development and manufacturing cost, and is linked with a production line and robot equipment, so that the automation degree of factory equipment is improved, operators are reduced, and the labor cost is reduced. The efficiency of equipment is improved, the productivity of the mill has been guaranteed.
As a further improvement of the scheme, when the hydraulic engine cover bending forming mechanism works, the jacking mechanism 1, the inner plate positioning and pressing mechanism 4, the plate turnover mechanism 6, the inner plate pressing mechanism 10 and the hydraulic outer plate bending mechanism 12 are in an open state, the robot puts the buckled inner plate into a profiling tire mold of a special bending machine, after the induction switch detects a workpiece, the inner plate pressing mechanism 10 presses the inner plate, a photoelectric inductive switch is arranged on the inner plate pressing mechanism 10, the detection distance is 2-3mm, after the engine cover is detected, and after the induction of the magnetic induction switch of the cylinder of the inner plate pressing mechanism 10 is in place, the panel turnover mechanism 6 is turned in place, the magnetic induction switch detects and sends out a signal in place after the cylinder is turned in place, the inner plate pressing mechanism 10 extends out to press the inner plate of the engine cover, the magnetic induction switch of the cylinder detects and sends out a signal in place after the cylinder is in place, and the hydraulic outer plate bending mechanism 12 extends out to be in place to bend the flanging angle of the outer plate from 130 degrees to 105 degrees. The hydraulic engine hood bending and forming mechanism disclosed by the invention keeps the appearance and the shape of the engine hood complex; the appearance of the engine cover is attractive after the edge of the engine cover is wrapped, and the quality is stable. The production efficiency of the press for edge covering is improved, and the beat reaches 60JPH, namely 51 s/piece (the comprehensive starting rate of the device is 85%). The redevelopment cost of the appearance of the engine hood product is reduced, and the redevelopment and production and manufacturing cost of the engine hood edge covering die is reduced.
The engine hood outer plate is positioned by adopting a profiling tire membrane 14 mechanism, after the outer plate detection mechanism detects that the outer plate is in place, the inner plate pressing detection mechanism 2 presses and positions the engine hood inner plate, after the detection switch detects that the position is in place, the inner plate pressing mechanism 10 presses the position to be covered, namely the edge of the engine hood inner plate, after the detection switch detects that the position is in place, the hydraulic machine drives the hydraulic outer plate bending mechanism 12 to bend the outer plate and maintain the pressure so that the flanging of the outer plate reaches the required angle. The bending knife of the hydraulic outer plate bending mechanism 12 is determined according to the original flanging angle of the engine cover, the flanging height and the flanging angle required to be achieved. After the edge covering is finished, all mechanisms are opened in a reverse sequence according to the edge covering sequence, and a signal capable of being grabbed is sent to the robot. The efficiency of equipment is improved, the productivity of the mill has been guaranteed. The edge-covering bending forming mechanism is low in development and manufacturing cost, and is linked with a production line and robot equipment, so that the automation degree of factory equipment is improved, operators are reduced, and the labor cost is reduced.
As a further improvement of the scheme, the panel turnover mechanism 6 comprises a driving air pipe 61, a turnover frame 62, a turnover hinge base 12363 and a weight plate 64, the turnover frame 62 is connected with the driving air pipe 61 and the turnover hinge base 12363, the weight plate 64 is arranged on the turnover frame 62, the inner panel pressing mechanism 10 comprises a driving air cylinder 101, a linear guide rail 102, a pressing block 103, a sliding plate 104 and a limiting block 105, the driving air cylinder 101, the linear guide rail 102 and the limiting block 105 are mounted at the tail end of the panel turnover mechanism 6, the sliding plate 104 is mounted on the linear slide block, and the pressing block 103 is mounted on the sliding plate 104; the driving cylinder 101 pushes the sliding plate 104 to move back and forth on the linear guide rail 102, so that the pressing block 103 presses and releases the inner plate of the engine cover. The linear guide 102 is mainly used to ensure the linear accuracy of the linear reciprocating motion of the slide plate 104. The stopper 105 is used to limit the moving distance of the sliding plate 104, so as to prevent the sliding plate from moving too much, which causes product defects or scrapping due to over-pressure of the inner plate of the engine cover.
As a further improvement of this scheme, the hydraulic outer plate bending mechanism 12 includes an outer plate bending knife 121, a turning connecting block 122, a turning hinge base 12363, and a turning hydraulic cylinder 124, where the turning hydraulic cylinder 124 is installed on the turning hinge base 12363, the outer plate bending knife 121 is installed on the turning connecting block 122, the turning connecting block 122 is connected to the turning hydraulic cylinder 124 and connected to the turning hinge base 12363, and the bending angle is adjusted by adjusting a gasket between the bending knife and the turning connecting block 122. The hydraulic force is relatively large, so that the rigidity and the strength of the structure are ensured, and the hydraulic force is ensured to act on the outer plate of the engine cover better. The turning connecting block 122 is connected with the outer plate bending knife 121 and the turning hydraulic cylinder 124, and the bending angle can be adjusted by adjusting a gasket between the bending knife and the turning connecting block 122; meanwhile, the bending knife is convenient to replace after being worn, the processing difficulty of replacing parts is reduced, and the cost is saved for later use. The turning connection block 122 is provided with photoelectric proximity switches for turning in place and opening in place respectively so as to transmit signals to a control system, thereby realizing the automatic operation of the whole mechanism.
In the prior art, the processing technology can be met only by sacrificing the appearance shape of the engine cover, and the flanging 3 of the outer plate of the engine cover is not beautiful enough. Or the process requirement of automatic production is met by air pressure pre-wrapping, the flanging is not in place under the influence of pressure, and the subsequent process needs to be reworked, which often becomes the bottleneck in production. The invention designs a set of process and device which have simple structure and low cost and can ensure the pre-bending flanging angle, just solves the problem, and ensures the attractive appearance and stable quality of the engine cover after the edge of the engine cover is wrapped. The invention makes up the problem that the appearance of the engine cover is influenced by the flanging angle, and solves the problem that the design of the automobile engine cover is limited to the manufacturing process. The hydraulic engine cover bending and forming mechanism disclosed by the invention has the advantages that the inner plate positioning flanging pressing mechanism and the outer plate bending mechanism are separated, the structure is simple, and the maintenance is easy; the hydraulic pre-bending angle is accurate, and the production efficiency is high; the labor input is reduced. The redevelopment cost of the appearance of the engine hood product is reduced, and the redevelopment and production and manufacturing cost of the engine hood edge covering die is reduced. The production efficiency of the press for wrapping is improved, the equipment efficiency is improved, and the factory capacity is ensured. The development and manufacturing cost is low, and the system is linked with a production line and robot equipment, so that the automation degree of factory equipment is improved, operators are reduced, and the labor cost is reduced; the equipment has simple structure, convenient maintenance and low use and maintenance cost. The method is an optimal choice for solving the manufacturing problem of the engine cover by improving the productivity of a factory.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention. The invention has various embodiments, and all technical solutions formed by adopting equivalent transformation or equivalent transformation are within the protection scope of the invention.
Claims (9)
1. The utility model provides a hydraulic pressure bonnet forming mechanism that bends which characterized in that: the device comprises a bottom plate, a jacking mechanism, an inner plate positioning and pressing mechanism, a plate turnover mechanism, an inner plate pressing mechanism and a hydraulic outer plate bending mechanism; the jacking mechanism and the plate turnover mechanism are arranged on the bottom plate, the inner plate pressing mechanism is arranged at the tail end of the plate turnover mechanism, and the inner plate positioning mechanism and the hydraulic outer plate bending mechanism are arranged on the side face of the plate turnover mechanism.
2. The hydraulic bonnet bending and forming mechanism of claim 1, wherein: the hydraulic engine hood bending forming mechanism also comprises a control system, after an engine hood outer plate is placed in place, an engine hood inner plate is placed, after a detection switch detects the engine hood, the control system sends a signal to control the action of an electromagnetic valve, a cylinder of an inner plate positioning mechanism stretches out to act in place, the inner plate is positioned, and a signal for detecting the engine hood is sent to the control system through the detection switch on the positioning mechanism, a panel turnover mechanism receives the signal from the control system, controls the panel turnover to turn over in place through the electromagnetic valve, sends an in-place signal to the control system through a cylinder in-place magnetic induction switch, after receiving the signal, the control system sends an instruction to act through the electromagnetic valve, an inner plate pressing mechanism acts in place to press the engine hood inner plate, sends a pressing in-place signal to the control system through a magnetic induction switch of a pressing mechanism cylinder, the sensor detects that the bending mechanism is in place, the outer plate is formed by bending, after pressure maintaining for 5s, the hydraulic outer plate bending mechanism opens the detection switch to detect in place, the inner plate pressing mechanism, the plate turnover mechanism and the inner plate positioning pressing mechanism are sequentially opened, and finally the jacking mechanism jacks up the engine cover after the magnetic switch detects in place.
3. The hydraulic bonnet bending and forming mechanism of claim 1, wherein: the hydraulic engine cover bending and forming mechanism further comprises an inner plate positioning mechanism, the inner plate positioning mechanism is formed by inserting two positioning pins into a front end hole of an inner plate for pressing, and the inner plate pressing mechanism is pressed on the inner plate positioning mechanism; the inner plate hold-down mechanism is a cylinder which can extend downwards to press the inner plate.
4. The hydraulic bonnet bending and forming mechanism of claim 1, wherein: the inner plate positioning and pressing mechanism is characterized in that a pin is arranged on the cylinder, the cylinder automatically turns over after the inner plate is in place, the pin is inserted into a hole of the inner plate, and the cylinder action pin presses the inner plate tightly.
5. The hydraulic bonnet bending forming mechanism as claimed in claim 2, wherein: when the hydraulic engine cover bending forming mechanism works, the jacking mechanism, the inner plate positioning and pressing mechanism, the panel turnover mechanism, the inner plate pressing mechanism and the hydraulic outer plate bending mechanism are in an open state, a robot places a buckled inner plate into a profiling tire mold of a special bending machine, after an inductive switch detects a workpiece, the inner plate pressing mechanism presses the inner plate, a photoelectric inductive switch is installed on the inner plate pressing mechanism, the detection distance is 2-3mm, after an engine cover is detected, and after the inductive switch of an air cylinder of the inner plate pressing mechanism is in place through induction, the panel turnover mechanism turns in place, after the air cylinder of the turnover air cylinder is in place, the inductive switch detects and sends out a signal in place, the inner plate pressing mechanism stretches out and presses the inner plate of the engine cover, after the air cylinder is in place, the inductive switch detects and sends out a signal in place, and the hydraulic outer plate.
6. The hydraulic bonnet bending apparatus of claim 5, wherein: the method comprises the following steps that a profiling tire membrane mechanism is adopted to position an engine hood outer plate, an outer plate detection mechanism is adopted to detect that the outer plate is in place, an inner plate pressing detection mechanism presses and positions the engine hood inner plate, a detection switch is adopted to detect that the position of the position needing edge covering is pressed by the inner plate pressing mechanism after the position is detected, namely the edge of the engine hood inner plate, a hydraulic press drives a hydraulic outer plate bending mechanism after the detection switch is in place, and the outer plate is bent and pressure is maintained so that the outer plate edge; the bending knife of the hydraulic outer plate bending mechanism is determined according to the original flanging angle of the engine cover, the flanging height and the flanging angle required to be achieved; after the edge covering is finished, all mechanisms are opened in a reverse sequence according to the edge covering sequence, and a signal capable of being grabbed is sent to the robot.
7. The hydraulic bonnet bending forming mechanism as claimed in claim 2, wherein: the turning plate mechanism comprises a driving air pipe, a turning frame, a turning hinge seat and a counterweight plate, the turning frame is connected with the driving air pipe and the turning hinge seat, the counterweight plate is arranged on the turning frame,
the inner plate pressing mechanism comprises a driving cylinder, a linear guide rail, a pressing block, a sliding plate and a limiting block, the driving cylinder, the linear guide rail and the limiting block are arranged at the tail end of the plate turnover mechanism, the sliding plate is arranged on the linear sliding block, and the pressing block is arranged on the sliding plate; the driving cylinder pushes the sliding plate to move back and forth on the linear guide rail, and the compressing and loosening of the engine cover inner plate by the compressing block are realized.
8. The hydraulic bonnet bending forming mechanism as claimed in claim 2, wherein: the hydraulic outer plate bending mechanism comprises an outer plate bending knife, an overturning connecting block, an overturning hinge seat and an overturning hydraulic cylinder, the overturning hydraulic cylinder is installed on the overturning hinge seat, the outer plate bending knife is installed on the overturning connecting block, the overturning hydraulic cylinder is connected with the overturning connecting block and connected with the overturning hinge seat, and the bending angle is adjusted by adjusting a gasket between the bending knife and the overturning connecting block.
9. The hydraulic bonnet bending apparatus of claim 8, wherein: the turnover connecting block is provided with a photoelectric proximity switch, and can transmit signals to a control system when the turnover connecting block is turned in place and opened in place so as to realize the automatic operation of the hydraulic engine cover bending forming mechanism.
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| CN202010446806.9A CN111570638A (en) | 2020-05-25 | 2020-05-25 | Hydraulic engine cover bending forming mechanism |
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| CN202010446806.9A CN111570638A (en) | 2020-05-25 | 2020-05-25 | Hydraulic engine cover bending forming mechanism |
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| CN208960718U (en) * | 2018-09-04 | 2019-06-11 | 上汽通用五菱汽车股份有限公司 | A kind of pre- Wrapping apparatus |
| CN209491242U (en) * | 2018-12-04 | 2019-10-15 | 东风设备制造有限公司 | One kind being merged rolling molding structure for hood |
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Application publication date: 20200825 |
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