CN112916666A

CN112916666A - Bending machining process for cold-rolled steel sheet metal part

Info

Publication number: CN112916666A
Application number: CN202110042543.XA
Authority: CN
Inventors: 李爽; 张云鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-06-08

Abstract

The invention relates to the technical field of sheet metal processing, in particular to a bending processing technology for a cold-rolled steel sheet metal part, wherein a processing device comprises a base, a bending mechanism, supporting pieces, an adjusting mechanism and a resetting mechanism, wherein the base is of a hollow structure, the bending mechanism for extruding and bending the sheet metal part is installed on the base, two groups of the supporting pieces are symmetrically arranged at the top of the base and are in sliding connection with the top of the base, the adjusting mechanism for changing the distance between the two groups of the supporting pieces is installed in the base, and the resetting mechanism for ejecting the bent sheet metal part out of the inner side of the supporting pieces is installed at the top of the base; according to the invention, the sheet metal part can be bent at different angles without replacing equipment, and scratches on the surface of the sheet metal part can be avoided in the bending process.

Description

Bending machining process for cold-rolled steel sheet metal part

Technical Field

The invention relates to the technical field of sheet metal processing, in particular to a bending processing technology for a cold-rolled steel sheet metal part.

Background

The sheet metal is a comprehensive cold working process for sheet metal, including shearing, punching/cutting/compounding, folding, welding, riveting, splicing, forming (such as automobile body), and the like. The remarkable characteristic is that the thickness of the same part is consistent. The product processed by the sheet metal process is called a sheet metal part. The sheet metal component that different trades pointed is general different, is used for the name when the timing of group more, and sheet metal bending equipment is sheet metal working's important equipment, and the bending of sheet metal component is realized to the mode that current sheet metal bending device adopted the roof pressure mostly, specifically utilizes two support piece to support the position both sides that the sheet metal component need be bent, adopts the pneumatic cylinder to drive the pressure head and moves down, and the upper surface of roof pressure sheet metal component is that the sheet metal component is moved down by the position of level pressure.

At present in the device of bending to the sheet metal component, most support piece is the same apart from the size, consequently also fixed unable the change at the angle of bending to the sheet metal component, the sheet metal component of different angles still need change equipment when needs buckle, the poor waste time of adaptability, when extrudeing the sheet metal component, the sheet metal component can cause surface wear with support piece and the contact friction of die pressing down, and after the sheet metal component is buckled by the extrusion, still need the manual work to take out it from the support piece inboard, and the department of bending of part sheet metal component after processing can generate heat and produce high temperature, direct shang can cause the injury to the workman.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a bending processing technology for a cold-rolled steel sheet metal part.

The technical scheme adopted by the invention for solving the technical problems is as follows: a bending processing technology for cold rolled steel sheet metal parts comprises the following steps:

s1: when the sheet metal part needs to be bent, the sheet metal part is placed on the two groups of supporting pieces on the processing device, then the pressure rods on the side walls of the two groups of clamping blocks are pressed, the clamping blocks on the pressure plates can be separated from the clamping grooves on the inner wall of the moving groove, and the two groups of clamping blocks can be moved to be close to each other to abut against the side walls of the two ends of the sheet metal part to clamp the sheet metal part;

s2: when the sheet metal part is extruded and bent, the two ends of the sheet metal part can be upwards tilted and drive the roller to rotate, and the friction force between the roller and the sheet metal part can be reduced by the rotation of the roller, so that scratches on the surface of the sheet metal part can be prevented, and when the pressing die downwards extrudes the sheet metal part, the sheet metal part can be downwards bent;

s3: in the process of bending the sheet metal part, water in the water tank can be extruded by the water frame and flows into the water frame from a water inlet hole at the bottom of the water frame, and finally the water can be extruded into the rubber pad, and the outer side of the rubber pad is cooled, so that the bent part of the sheet metal part can be cooled by heat dissipation;

s4: after the bending is finished, the air cylinder is controlled to drive the pressing die to move upwards to drop the sheet metal part, at the moment, the stress of the first spring is relieved, and the sliding rod is driven to move upwards to reset, so that the bent sheet metal part can be pushed upwards and moved out of the space between the two groups of supporting pieces;

the processing device in the S1 comprises a base, wherein the base is of a hollow structure; the bending mechanism is used for extruding and bending the sheet metal part and is arranged on the base; the two groups of supporting pieces are symmetrically arranged at the top of the base and are in sliding connection with the top of the base; the adjusting mechanism is used for changing the distance between the two groups of supporting pieces and is arranged in the base; and the resetting mechanism is used for ejecting the bent sheet metal part out of the resetting mechanism on the inner side of the supporting piece and is arranged at the top of the base.

Specifically, the mechanism of bending includes portal frame, cylinder, push rod, moulding-die and rubber head, and portal frame fixed mounting is on the lateral wall of base, and cylinder fixed mounting has the moulding-die at the top of portal frame, and the output of cylinder has the rubber head of arc structure through push rod fixed mounting, the bottom fixed mounting of moulding-die.

Specifically, adjustment mechanism includes lead screw, movable block and spout, and fixed mounting has the box body on the inner bottom wall of base, all rotates on the both ends lateral wall of box body to be connected with the lead screw, and the spout that two sets of symmetries set up is seted up at the top of base, and movable block sliding connection is in the inside of spout, and the top of movable block and support piece's bottom fixed connection, and the bottom of movable block and lead screw are located the outside pole wall threaded connection of box body, and the internally mounted of box body has the actuating mechanism who is used for improving power to the lead screw.

Specifically, actuating mechanism includes motor, drive bevel gear and driven bevel gear, and motor fixed mounting is on the interior roof of box body, and drive bevel gear and the output fixed connection of motor, the lead screw are located the inside one end fixed mounting of box body and have driven bevel gear, and drive bevel gear and two sets of driven bevel gear intermeshing.

Specifically, canceling release mechanical system includes slide cartridge, slide bar, rubber pad and first spring, and slide cartridge fixed mounting is in the roof middle part position of base, and slide bar sliding connection is in the inside of slide cartridge, and the top fixed mounting of slide bar has the rubber pad, and first spring concatenates on the slide bar is located the inside outer wall of slide cartridge.

Specifically, heat dissipation mechanism is installed to the bottom of slide bar, and heat dissipation mechanism includes the water tank, the water frame, delivery port and inlet opening, and the top fixed mounting of box body has the water tank, and the roof that the base was passed to the bottom of slide bar extends to the inside of water tank, and the slide bar is located the inside one end fixed mounting of water tank and has the water frame, and slide bar and rubber pad are hollow structure, and the inner chamber of slide bar and rubber pad communicates with each other with the delivery port of water frame, and evenly distributed's inlet opening is seted up to the bottom of water frame.

Specifically, the rotation groove has been seted up to support piece's top corner, and the inside rotation in rotation groove is connected with the cylinder, and pastes the rubber layer on the outer wall of cylinder.

Specifically, a scale plate is fixedly arranged on the side wall of the base.

Specifically, fixture is installed at shown support piece's top, and shown fixture includes clamp splice, depression bar, clamp plate, second spring and fixture block, and the shifting chute has been seted up at shown support piece's top, and the inside sliding connection of shown shifting chute has the clamp splice that two sets of symmetries set up, and shown clamp splice is hollow structure, just sliding connection has the depression bar that two sets of symmetries set up on the both ends lateral wall of clamp splice, the depression bar is located the inside one end fixed mounting of clamp splice and has the clamp plate, the bottom of clamp plate is passed the bottom of clamp splice and is extended to the inside of shifting chute, and is two sets of fixed mounting has the second spring between the clamp plate, fixed mounting has the fixture block on the clamp plate is located the inside lateral wall of shifting chute, a plurality of groups and.

Specifically, a rubber layer is embedded on the surface of the clamping block.

The invention has the beneficial effects that:

1. according to the bending processing technology for the cold-rolled steel sheet metal part, the motor is started to work, so that the two groups of lead screws can be driven to synchronously rotate, the two groups of lead screws can drive the two groups of supporting pieces to simultaneously move close to or away from each other through the moving block, the distance between the two groups of supporting pieces can be adjusted according to conditions, and the sheet metal part can be conveniently bent at different angles through the bending mechanism;

2. according to the bending processing technology for the cold-rolled steel sheet metal part, when the sheet metal part is extruded and bent, the sheet metal part can be bent downwards to be in contact with the rubber pad, the sliding rod is extruded to move downwards to enable the first spring to stretch continuously, so that the bent part of the sheet metal part can be protected when the sheet metal part is bent, and after the sheet metal part is bent, the first spring can drive the sliding rod to rebound and reset to drive the sheet metal part to move upwards out of the inner sides of the two groups of supporting pieces;

3. according to the bending processing technology for the cold-rolled steel sheet metal part, when the sheet metal part is bent to press the rubber gasket downwards and the sliding rod moves downwards, the sliding rod drives the water frame to move downwards in the water tank, water in the water tank is pressed into the rubber gasket, the rubber gasket can radiate the bent part of the sheet metal part, the temperature can rise when the sheet metal part is placed and bent, and the safety is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of an overall structure of a processing apparatus according to the present invention;

FIG. 2 is a second schematic view of the overall structure of the processing apparatus of the present invention;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a schematic cross-sectional view of FIG. 2;

FIG. 5 is a schematic view of the internal structure of the case shown in FIG. 4;

FIG. 6 is a schematic view of the reset mechanism and cooling mechanism of FIG. 4;

fig. 7 is a schematic structural view of the clamping mechanism shown in fig. 1.

In the figure: 1. the device comprises a base, 2, a support member, 3, a bending mechanism, 31, a portal frame, 32, an air cylinder, 33, a push rod, 34, a pressing die, 35, a rubber head, 4, a box body, 5, an adjusting mechanism, 51, a screw rod, 52, a moving block, 53, a sliding chute, 6, a driving mechanism, 61, a motor, 62, a driving bevel gear, 63, a driven bevel gear, 7, a resetting mechanism, 71, a sliding barrel, 72, a sliding rod, 73, a rubber pad, 74, a first spring, 8, a cooling mechanism, 81, a water tank, 82, a water frame, 83, a water outlet, 84, a water inlet hole, 9, a roller, 9a, a scale plate, 9b, a clamping mechanism, 9b1, a clamping block, 9b2, a pressing rod, 9b3, a pressing plate, 9b4, a second spring, 9b5, a clamping block, 9c, a moving groove, 9 d.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 7, the bending process for cold-rolled steel sheet metal parts according to the present invention includes the following steps:

s1: when the sheet metal part needs to be bent, the sheet metal part is placed on the two groups of supporting pieces 2 on the processing device, then the pressure rods 9b2 on the side walls of the two groups of clamping blocks 9b1 are pressed, the clamping blocks 9b5 on the pressure plates 9b3 can be separated from the clamping grooves 9d on the inner walls of the moving grooves 9c, and the two groups of clamping blocks 9b1 can be moved to be close to each other to be abutted against the side walls at the two ends of the sheet metal part to clamp the sheet metal part;

s2: when the sheet metal part is extruded and bent, the two ends of the sheet metal part can be tilted upwards and drive the roller 9 to rotate, and the friction force between the roller 9 and the sheet metal part can be reduced by the rotation of the roller, so that scratches on the surface of the sheet metal part can be prevented, and when the pressing die 34 extrudes the sheet metal part downwards, the sheet metal part can be bent downwards;

s3: in the process of bending the sheet metal part, water in the water tank 81 is squeezed by the water frame 82 and flows into the water frame 82 from the water inlet hole 84 at the bottom of the water frame 82, and finally the water is squeezed into the rubber pad 73, and the outer side of the rubber pad 73 is cooled, so that the bent part of the sheet metal part can be cooled by heat dissipation;

s4: after the bending is finished, the cylinder 32 is controlled again to drive the pressing die 33 to move upwards to drop the sheet metal part, at this time, the first spring 74 is relieved from stress, and drives the sliding rod 72 to move upwards to reset, so that the bent sheet metal part can be pushed upwards and moved out between the two groups of supporting pieces 2;

wherein, in S1 the processingequipment include base 1, bend mechanism 3, support piece 2, adjustment mechanism 5 and canceling release mechanical system 7, base 1 is hollow structure, a bending mechanism for carrying out the extrusion to the sheet metal component and bending installs on base 1, two sets of support piece 2 symmetry sets up at the top of base 1, and support piece 2 and base 1 ' S top sliding connection, an adjustment mechanism 5 for carrying out the change to the distance between two sets of support piece 2 is installed in base 1 ' S inside, a canceling release mechanical system 7 for inciting somebody to action the sheet metal component ejecting support piece 2 inboard after bending is installed at base 1 ' S top.

In a specific implementation process, as shown in fig. 1, 3 and 7, the bending mechanism 3 includes a gantry 31, a cylinder 32, a push rod 33, a die 34 and a rubber head 35, the gantry 31 is fixedly installed on a side wall of the base 1, the cylinder 32 is fixedly installed at the top of the gantry 31, the output end of the cylinder 32 is fixedly installed with the die 34 through the push rod 33, and the bottom of the die 34 is fixedly installed with the rubber head 35 having an arc structure.

The rotation groove has been seted up to support piece 2's top corner, and the inside rotation in rotation groove is connected with cylinder 9, and pastes the rubber layer on the outer wall of cylinder 9.

The top of the support 2 is provided with a clamping mechanism 9b, the clamping mechanism 9b comprises a clamping block 9b1, a pressing rod 9b2, a pressing plate 9b3, a second spring 9b4 and a clamping block 9b5, the top of the support 2 is provided with a moving groove 9c, two groups of symmetrically arranged clamping blocks 9b1 are slidably connected inside the moving groove 9c, the clamping block 9b1 is of a hollow structure, two groups of symmetrically arranged pressing rods 9b2 are slidably connected on the side walls of the two ends of the clamping block 9b1, one end of the pressing rod 9b2, which is positioned inside the clamping block 9b1, is fixedly provided with a pressing plate 9b3, the bottom of the pressing plate 9b3 penetrates through the bottom of the clamping block 9b1 to extend into the moving groove 9c, a second spring 9b4 is fixedly arranged between the two groups of pressing plates 9b3, the pressing plate 9b3, the clamping block 9b5 is fixedly arranged on the side wall inside the moving groove 9c, a plurality of groups of clamping blocks 739 b5 are arranged on, the surface of the clamp block 9b1 is embedded with a rubber layer.

It should be noted that: the sheet metal part to be bent is placed on the two groups of supporting pieces 2, then the pressure rods 9b2 on the side walls of the two groups of clamping blocks 9b1 are pressed, the pressure rods 9b2 drive the pressure plates 9b3 to move towards the middle parts of the inner sides of the clamping blocks 9b1 and enable the second springs 9b4 to be stressed and compressed, at the moment, the clamping blocks 9b5 on the pressure plates 9b3 are separated from the clamping grooves 9d on the inner walls of the moving grooves 9c, so that the two groups of clamping blocks 9b1 can be moved to be close to each other to be abutted against the side walls of the two ends of the sheet metal part to clamp the sheet metal part, then the two groups of pressure rods 9b2 are released, at the moment, the second springs 9c4 are relieved from stress, the pressure plates 9b3 are driven to move reversely to reset, the clamping blocks 9b5 on the side walls of the pressure plates 9b3 are driven to be inserted into the clamping grooves 9d, therefore, the pressure plates 9b3 and the clamping blocks 9b1 can be limited, the clamping blocks 9b 58, thereby can not influence the sheet metal machine and bend, then the cylinder 32 work on the control portal frame 31 drives moulding-die 34 downstream and the sheet metal component contact through push rod 33, and continue to move down and extrude the sheet metal component, thereby can extrude the bending to the sheet metal component, and the arc rubber head 35 through moulding-die 34 bottom can earlier with the surface contact of sheet metal component thereby can play the effect of buffering, can not cause the scratch to the surface of sheet metal component, and the both sides of sheet metal component can be taken on two sets of cylinders 9, when the sheet metal component is extruded and bent, the both ends of sheet metal component can upwards perk and drive cylinder 9 and rotate, and cylinder 9 rotates and can reduce the frictional force with the sheet metal component, thereby can prevent that the scratch from appearing in the surface of sheet metal component.

Referring to fig. 4 and 5, the adjusting mechanism 5 includes a screw rod 51, a moving block 52 and a sliding groove 53, a box 4 is fixedly mounted on the inner bottom wall of the base 1, the screw rod 51 is rotatably connected to the side walls of the two ends of the box 4, two sets of sliding grooves 53 symmetrically arranged are formed in the top of the base 1, the moving block 52 is slidably connected to the inside of the sliding groove 53, the top of the moving block 52 is fixedly connected to the bottom of the supporting member 2, the bottom of the moving block 52 is in threaded connection with the screw rod 51 on the rod wall outside the box 4, and a driving mechanism 6 for improving power of the screw rod 51 is mounted inside the box 4.

The driving mechanism 6 comprises a motor 61, a driving bevel gear 62 and a driven bevel gear 63, the motor 61 is fixedly installed on the inner top wall of the box body 4, the driving bevel gear 62 is fixedly connected with the output end of the motor 61, the screw rod 51 is located at one end inside the box body 4, the driven bevel gear 63 is fixedly installed at one end of the screw rod, and the driving bevel gear 62 is meshed with the two sets of driven bevel gears 63.

The side wall of the base 1 is fixedly provided with a scale plate 9 a.

It should be noted that: if the sheet metal part needs to be bent at different angles, the motor 61 can be controlled to work to drive the driving bevel gear 62 fixedly connected with the output end of the motor to rotate, the driving bevel gear 62 can drive the two groups of driven bevel gears 63 to rotate in opposite directions, so that the two groups of screw rods 51 can simultaneously rotate, as the moving block 52 is in sliding connection with the chute 53 and is also in threaded connection with the screw rods 51, the moving block 52 can be driven to move when the screw rods 51 rotate, and further the motor 61 can be controlled to rotate positively and negatively, so that the two groups of supporting pieces 2 are driven to move close to or away from each other, the distance between the two groups of supporting pieces 2 can be conveniently adjusted, when the distance between the two groups of supporting pieces 2 is larger, the angle of the sheet metal part which is bent by extrusion is larger, and the distance between the two groups of supporting pieces 2 is smaller, and when the distance between the two groups of supporting pieces, the scale plate 9a on the side wall of the base 1 can be viewed so as to facilitate control of the distance between the two sets of supports 2.

Referring to fig. 6 and 7, the reset mechanism 7 includes a sliding cylinder 71, a sliding rod 72, a rubber pad 73 and a first spring 74, the sliding cylinder 71 is fixedly installed at a middle position of the top wall of the base 1, the sliding rod 72 is slidably connected inside the sliding cylinder 71, the rubber pad 73 is fixedly installed at the top of the sliding rod 72, and the first spring 74 is connected in series to an outer wall of the sliding rod 72 inside the sliding cylinder 71.

Heat dissipation mechanism 8 is installed to the bottom of slide bar 72, heat dissipation mechanism 8 includes water tank 81, water frame 82, delivery port 83 and inlet opening 84, the top fixed mounting of box body 4 has water tank 81, the inside that the roof of base 1 was passed to the bottom of slide bar 72 extends to water tank 81, slide bar 72 is located the inside one end fixed mounting of water tank 81 has water frame 82, slide bar 72 and rubber pad 73 are hollow structure, and the inner chamber of slide bar 72 and rubber pad 73 communicates with each other with water outlet 83 of water frame 82, evenly distributed's inlet opening 84 is seted up to the bottom of water frame 82.

It should be noted that: when the pressing die 34 presses the sheet metal part downwards, the sheet metal part is bent downwards, the bent part of the sheet metal part is contacted with the rubber pad 73 downwards and presses the rubber pad 73 and the sliding rod 72 downwards when the sheet metal part is bent, the bent part of the sheet metal part can be prevented from being scraped with marks through the rubber pad 73, the sheet metal part is continuously bent, the sliding rod 72 slides towards the inside of the sliding cylinder 71, the sliding rod 72 can drive the first spring 74 to be stressed and compressed, the sliding rod 72 can drive the water frame 82 fixedly connected with the bottom of the sliding rod 72 to move downwards when moving downwards, at the moment, water in the water tank 81 can be pressed by the water frame 82, flows into the water frame 82 from the water inlet hole 84 at the bottom of the water frame 82 and then is pressed into the sliding rod 72 through the water outlet 83, finally, the water can be pressed into the rubber pad 73, the outer side of the rubber pad 73 is cooled, so that the bent part of the sheet metal part can be cooled through heat dissipation, and the damage to workers caused by the temperature, after the bending is finished, the cylinder 32 is controlled again to drive the pressing die 33 to move upwards to drop the sheet metal part, at this time, the first spring 74 is relieved from stress, and the sliding rod 72 is driven to move upwards to reset, so that the bent sheet metal part can be pushed upwards and moved out between the two groups of supporting pieces 2 without being manually taken out by hands.

The bending processing technology for the cold-rolled steel sheet metal part provided by the invention has the following principle:

the sheet metal part to be bent is placed on the two groups of supporting pieces 2, then the pressure rods 9b2 on the side walls of the two groups of clamping blocks 9b1 are pressed, the pressure rods 9b2 drive the pressure plates 9b3 to move towards the middle parts of the inner sides of the clamping blocks 9b1 and enable the second springs 9b4 to be stressed and compressed, at the moment, the clamping blocks 9b5 on the pressure plates 9b3 are separated from the clamping grooves 9d on the inner walls of the moving grooves 9c, so that the two groups of clamping blocks 9b1 can be moved to be close to each other to be abutted against the side walls of the two ends of the sheet metal part to clamp the sheet metal part, then the two groups of pressure rods 9b2 are released, at the moment, the second springs 9c4 are relieved from stress, the pressure plates 9b3 are driven to move reversely to reset, the clamping blocks 9b5 on the side walls of the pressure plates 9b3 are driven to be inserted into the clamping grooves 9d, therefore, the pressure plates 9b3 and the clamping blocks 9b1 can be limited, the clamping blocks 9b 58, so as not to affect the bending of the sheet metal machine, then the air cylinder 32 on the portal frame 31 is controlled to work to drive the pressing die 34 to move downwards to contact with the sheet metal part through the push rod 33, and the pressing sheet metal part is continuously moved downwards to press and bend the sheet metal part, the arc-shaped rubber head 35 at the bottom of the pressing die 34 can be firstly contacted with the surface of the sheet metal part so as to play a role of buffering, scratches can not be caused to the surface of the sheet metal part, and the two sides of the sheet metal part can be lapped on the two groups of rollers 9, when the sheet metal part is pressed and bent, the two ends of the sheet metal part can be upwarped upwards and drive the rollers 9 to rotate, the friction force between the rollers 9 and the sheet metal part can be reduced, thereby scratches can be prevented from being generated on the surface of the sheet metal part, when the pressing die 34 presses the sheet metal part downwards, the sheet metal part can be bent downwards, and the bent part can be contacted with the rubber pad 73 and, the rubber pad 73 can prevent marks from being scraped at the bent part of the sheet metal part, the sheet metal part is continuously bent to enable the sliding rod 72 to slide towards the inside of the sliding cylinder 71, the sliding rod 72 can drive the first spring 74 to be stressed and compressed, when the sliding rod 72 moves downwards, the sliding rod 72 can drive the water frame 82 fixedly connected with the bottom of the sliding rod to move downwards, at the moment, water in the water tank 81 can be extruded by the water frame 82 and flows into the water frame 82 from the water inlet hole 84 at the bottom of the water frame 82, then the water is extruded into the sliding rod 72 through the water outlet 83, finally the water can be extruded into the inside of the rubber pad 73, the outer side of the rubber pad 73 is cooled, so that the bent part of the sheet metal part can be cooled, the temperature rise when the sheet metal part is bent can be prevented from causing injury to workers, after the bending is finished, the air cylinder 32 is controlled to drive the pressing die 33 to move upwards to move and fall off the sheet metal part, at the moment, therefore, the bent sheet metal part can be jacked upwards and moved out between the two groups of supporting pieces 2 without being manually taken out, if the sheet metal part needs to be bent to different degrees, the motor 61 can be controlled to work to drive the driving bevel gear 62 fixedly connected with the output end of the motor to rotate, the driving bevel gear 62 can drive the two groups of driven bevel gears 63 to rotate in opposite directions, and then the two groups of screw rods 51 can rotate simultaneously, because the moving block 52 is in sliding connection with the sliding groove 53 and is also in threaded connection with the screw rods 51, the moving block 52 can be driven to move when the screw rods 51 rotate, and further the motor 61 can be controlled to rotate forwards and backwards, so as to drive the two groups of supporting pieces 2 to move close to or away from each other, the distance between the two groups of supporting pieces 2 can be conveniently adjusted, when the distance between the two groups of supporting pieces 2 is larger, the angle of the sheet metal part, and the distance between two sets of support piece 2 is less, and the angle that the sheet metal component was extruded and is bent is just less to when adjusting the distance between two sets of support piece 2, can watch scale 9a on the base 1 lateral wall, be convenient for control the distance between two sets of support piece 2, thereby can bend different angles to the sheet metal component, need not change equipment, and can avoid causing the scratch to the sheet metal component surface at the in-process of bending.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A bending processing technology for cold rolled steel sheet metal parts is characterized by comprising the following steps:

wherein the processing device described in S1 includes: the base (1), the said base (1) is the hollow structure;

the bending mechanism (3) is used for extruding and bending the sheet metal part and is arranged on the base (1);

the two groups of supporting pieces (2) are symmetrically arranged at the top of the base (1), and the supporting pieces (2) are connected with the top of the base (1) in a sliding manner;

the adjusting mechanism (5) is used for changing the distance between the two groups of supporting pieces (2) and is arranged in the base (1);

and the resetting mechanism (7) is used for ejecting the bent sheet metal part out of the resetting mechanism (7) on the inner side of the support piece (2) and is arranged at the top of the base (1).

2. The bending processing technology for the cold-rolled steel sheet metal part according to claim 1 is characterized in that: bending mechanism (3) include portal frame (31), cylinder (32), push rod (33), moulding-die (34) and rubber head (35), portal frame (31) fixed mounting is on the lateral wall of base (1), cylinder (32) fixed mounting is at the top of portal frame (31), the output of cylinder (32) has moulding-die (34) through push rod (33) fixed mounting, the bottom fixed mounting of moulding-die (34) has the rubber head (35) of arc structure.

3. The bending processing technology for the cold-rolled steel sheet metal part according to claim 1 is characterized in that: the adjusting mechanism (5) comprises a screw rod (51), a moving block (52) and a sliding groove (53), a box body (4) is fixedly mounted on the inner bottom wall of the base (1), the screw rods (51) are rotatably connected to the side walls of the two ends of the box body (4), two groups of symmetrically-arranged sliding grooves (53) are formed in the top of the base (1), the moving block (52) is slidably connected to the inside of the sliding grooves (53), the top of the moving block (52) is fixedly connected with the bottom of the supporting piece (2), the bottom of the moving block (52) is in threaded connection with the screw rod (51) on the outer rod wall of the box body (4), and a driving mechanism (6) used for improving power for the screw rod (51) is mounted inside the box body (4).

4. The bending processing technology for the cold-rolled steel sheet metal part according to claim 3, characterized in that: the driving mechanism (6) comprises a motor (61), a driving bevel gear (62) and driven bevel gears (63), the motor (61) is fixedly installed on the inner top wall of the box body (4), the driving bevel gear (62) is fixedly connected with the output end of the motor (61), the screw rod (51) is located at one end inside the box body (4) and fixedly provided with the driven bevel gears (63), and the driving bevel gear (62) is meshed with the driven bevel gears (63) in a two-group mode.

5. The bending processing technology for the cold-rolled steel sheet metal part according to claim 1 is characterized in that: reset mechanism (7) are including slide cartridge (71), slide bar (72), rubber pad (73) and first spring (74), slide cartridge (71) fixed mounting is in the roof middle part position of base (1), slide bar (72) sliding connection is in the inside of slide cartridge (71), the top fixed mounting of slide bar (72) has rubber pad (73), first spring (74) concatenate on slide bar (72) are located the inside outer wall of slide cartridge (71).

6. A bending process for cold rolled steel sheet metal parts according to any one of claims 3 or 5, characterized in that: heat dissipation mechanism (8) are installed to the bottom of slide bar (72), heat dissipation mechanism (8) include water tank (81), water frame (82), delivery port (83) and inlet opening (84), the top fixed mounting of box body (4) has water tank (81), the roof that base (1) was passed to the bottom of slide bar (72) extends to the inside of water tank (81), slide bar (72) are located the inside one end fixed mounting of water tank (81) and have water frame (82), slide bar (72) and rubber pad (73) are hollow structure, just the inner chamber of slide bar (72) and rubber pad (73) communicates with each other with delivery port (83) of water frame (82), evenly distributed inlet opening (84) are seted up to the bottom of water frame (82).

7. The bending processing technology for the cold-rolled steel sheet metal part according to claim 1 is characterized in that: the top corner of support piece (2) has seted up and has rotated the groove, the inside rotation in rotation groove is connected with cylinder (9), just paste the rubber layer on the outer wall of cylinder (9).

8. The bending processing technology for the cold-rolled steel sheet metal part according to claim 1 is characterized in that: and a scale plate (9a) is fixedly arranged on the side wall of the base (1).

9. The bending processing technology for the cold-rolled steel sheet metal part according to claim 1 is characterized in that: the top of the support (2) is provided with a clamping mechanism (9b), the clamping mechanism (9b) comprises a clamping block (9b1), a pressure rod (9b2), a pressure plate (9b3), a second spring (9b4) and a clamping block (9b5), the top of the support (2) is provided with a moving groove (9c), the inside of the moving groove (9c) is connected with two groups of symmetrically-arranged clamping blocks (9b1) in a sliding manner, the clamping block (9b1) is of a hollow structure, the side walls of two ends of the clamping block (9b1) are connected with two groups of symmetrically-arranged pressure rods (9b2) in a sliding manner, one end, located inside the clamping block (9b1), of the pressure rod (9b2) is fixedly provided with a pressure plate (9b3), the bottom of the pressure plate (9b3) penetrates through the bottom of the clamping block (9b1) and extends to the inside of the moving groove (9c), and a second spring (9b4) is fixedly arranged between the two groups of pressure plates, the pressing plate (9b3) is positioned on the side wall inside the moving groove (9c) and is fixedly provided with a clamping block (9b5), and the inner side wall of the moving groove (9c) is provided with a plurality of groups of clamping grooves (9d) matched with the clamping block (9b 5).

10. The bending processing technology for the cold-rolled steel sheet metal part according to claim 9, characterized in that: the surface of the clamping block (9b1) is embedded with a rubber layer.