CN112222262A

CN112222262A - Sheet metal part stamping device convenient to discharge and stamping method thereof

Info

Publication number: CN112222262A
Application number: CN202011025873.XA
Authority: CN
Inventors: 周楠
Original assignee: Ma'anshan Jinwag Machinery Technology Co Ltd
Current assignee: Ma'anshan Jinwag Machinery Technology Co Ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-01-15

Abstract

The invention discloses a sheet metal part stamping device convenient for blanking and a stamping method thereof, and relates to the technical field of sheet metal part processing. The invention comprises a substrate, wherein a group of loop bars distributed in a rectangular array are fixedly connected to the top surface of the substrate; the top ends of the sleeve rods are fixedly connected with a top seat; the top surface of the top seat is fixedly connected with a group of electric push rods; the bottom ends of the group of electric push rods are fixedly connected with a pressure application seat; the bottom surface of the pressing base is fixedly connected with a punching upper die through a connecting piece; the top surface of the substrate is fixedly connected with a supporting frame; two half-page lower dies with the same structure are hinged between the inner surfaces of the supporting frames. According to the blanking device, through the design of the blanking push seat and the limiting seat, on one hand, the blank can be effectively limited when the blank is fed, so that the feeding precision of the device is ensured and improved, on the other hand, the blanking work of forming sheet metal parts can be automatically completed through the displacement and function conversion of the blank and the limiting seat, and the processing efficiency and the sheet metal stamping effect of the device are improved.

Description

Sheet metal part stamping device convenient to discharge and stamping method thereof

Technical Field

The invention belongs to the technical field of sheet metal part machining, and particularly relates to a sheet metal part stamping device convenient to discharge and a stamping method thereof.

Background

The sheet metal is a processing technology, and the sheet metal has no more complete definition until now; according to a definition in a professional journal abroad, the term can be defined as: the metal plate is a comprehensive cold processing technology aiming at the metal sheet, and comprises shearing, punching/cutting/compounding, folding, riveting, splicing, forming and the like, and is obviously characterized in that the thickness of the same part is consistent, and the metal plate has the characteristics of light weight, high strength, conductivity, low cost, good large-scale mass production performance and the like.

After the sheet metal part is subjected to the profiling operation, the sheet metal part needs to be taken out of the profiling table or the profiling die so as to be processed into the next workpiece. However, due to the limitation of the existing sheet metal part forming equipment or device, the prior art basically needs to pick and place the workpiece by manpower in the process of picking the workpiece, so that the efficiency is low.

Disclosure of Invention

The invention aims to provide a stamping device for sheet metal parts convenient to discharge and a stamping method thereof, which solve the problem that the existing stamping device for sheet metal parts is inconvenient to discharge through the design of a half-page lower die, an annular material conveying belt, a limiting seat and a discharging push seat.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a sheet metal part stamping device convenient for blanking, which comprises a base plate, wherein the top surface of the base plate is fixedly connected with a group of loop bars distributed in a rectangular array; the top ends of the sleeve rods are fixedly connected with a top seat; the top surface of the top seat is fixedly connected with a group of electric push rods;

the bottom ends of the group of electric push rods are fixedly connected with a pressure application seat; the bottom surface of the pressing seat is fixedly connected with a punching upper die through a connecting piece; the top surface of the substrate is fixedly connected with a supporting frame; two half-page lower dies with the same structure are hinged between the inner surfaces of the supporting frames; a stamping workpiece is arranged between the opposite surfaces of the stamping upper die and the two half-page lower dies;

the bottom surfaces of the two half-page lower dies are both fixedly provided with positioning embedded grooves; the top surface of the supporting frame is fixedly connected with two groups of symmetrically arranged damping elastic pieces; the top ends of the two groups of damping elastic pieces are fixedly connected with embedding seats matched with the positioning embedding grooves; an annular driving module is arranged between the opposite surfaces of the two embedding seats; the circumferential side surface of the annular driving module is connected with an annular conveying belt; the surface of the annular conveying belt is respectively provided with a limiting seat and a blanking push seat; and a through hole matched with the limiting seat and the blanking push seat is fixedly formed in one surface of the supporting frame.

Preferably, the two half-page lower dies are symmetrically distributed by taking the plane of the longitudinal axis of the annular conveying belt as an axis; forming grooves are fixedly formed in the surfaces of the two half-page lower dies; and a forming convex block matched with the forming groove in shape is fixedly arranged on the bottom surface of the upper die in the stamping process.

Preferably, the annular driving module comprises a driving roller, a driven roller and a servo motor; two ends of the driving roller and two ends of the driven roller are respectively in rotating connection with the two embedding seats; one surface of the servo motor is fixedly connected with the embedded seat; one end of the output shaft of the servo motor is fixedly connected with the driving roller; the peripheral side surfaces of the driving roller and the driven roller are connected with the annular conveying belt.

Preferably, a group of limiting supporting rollers which are distributed in a linear array and matched with the annular conveying belt is rotatably connected between the inner surfaces of the two embedding seats; the top surface of the annular conveying belt is flush with the top surface of the embedding seat.

Preferably, a blanking seat is fixedly connected to one surface of the supporting frame; the blanking seat is arranged at the rear side of the blanking push seat; and a discharging inclined plane is fixedly arranged at the bottom of the discharging seat.

Preferably, the peripheral side surfaces of one group of the loop bars are all sleeved with a buffer ring seat; the bottom surfaces of the group of buffer ring seats are fixedly connected with buffer springs; the buffer spring is sleeved outside the loop bar; and the axle center of the buffer ring seat is fixedly provided with a guide hole matched with the loop bar.

Preferably, a guide sleeve is fixedly arranged on the surface of the pressure applying seat and corresponds to the position of the sleeve rod; torsional springs are fixedly arranged at the hinged parts of the two half-page lower dies and the supporting frame; two symmetrically-arranged positioning mounting holes are formed in the bottom surface of the supporting frame.

Preferably, the embedding seat is matched with the positioning embedding groove in shape; the damping elastic part comprises a damping telescopic pipe; and a return spring is sleeved on the peripheral side surface of the damping telescopic pipe.

Preferably, the limiting seat and the blanking pushing seat have the same structural characteristics; the limiting seat and the blanking push seat are both in U-shaped structures; the spacing between the limiting seat and the blanking pushing seat is 0.5 times of the total length of the annular conveying belt.

Preferably, the stamping method of the sheet metal part stamping device convenient for blanking comprises the following steps:

SS001, punching operation and initial state, the device is arranged as shown in figure 1, when in use, the device is matched with a controller, under the control of the controller, an electric push rod and a servo motor in an annular driving module form feedback, when in punching, a blank to be punched is placed above two half-page lower dies, when the blank is placed, a limiting seat limits the feeding position of the blank so as to ensure the feeding precision of the blank, after the blank is fed, the electric push rod works, after the electric push rod works, the punching upper die is driven to displace towards one side of the half-page lower die along the direction of a loop bar, finally, the punching upper die is contacted with the two half-page lower dies so as to complete the punching operation of the blank, after the punching operation, the electric push rod automatically resets, and after the electric push rod resets, the two half-page lower dies are jacked up under the action of a damping elastic piece, two half page or leaf bed dies are by the jack-up back, then accomplish the work of taking off between shaping blank and half page or leaf bed dies and the punching press mould, simultaneously after electric putter automatic re-setting accomplishes, the controller sends control signal to among the servo motor, servo motor accepts the signal after, then drive annular drive module clockwise work, annular drive module work back, then drive spacing seat and carry out the displacement in the appointed stroke, wherein, endless conveyor's displacement length is the half of endless conveyor total length, above-mentioned displacement in-process, the unloading pushes away the seat and accomplishes the unloading operation of shaping blank then, and the displacement stops the back, the unloading pushes away the seat and accomplishes the interchange of a position and function with spacing seat just, then conveniently carry out next blank feeding operation.

The invention has the following beneficial effects:

1. according to the blanking device, through the design of the blanking push seat and the limiting seat, on one hand, the blank can be effectively limited when the blank is fed, so that the feeding precision of the device is ensured and improved, on the other hand, the blanking work of forming sheet metal parts can be automatically completed through the displacement and function conversion of the blank and the limiting seat, and the processing efficiency and the sheet metal stamping effect of the device are improved.

2. According to the invention, through the design of the half-page lower die and the embedded seat, the traditional integral die is changed into a split die, and through the angle change of the die and the design of the damping elastic part, the stripping work between the die and the formed sheet metal part can be automatically completed, so that the blanking difficulty of the device is reduced.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a stamping device for sheet metal parts, which facilitates blanking;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is a schematic structural view of a positioning mounting hole, a forming groove and a half-page lower die;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic cross-sectional view of FIG. 3;

FIG. 6 is a partial enlarged view of FIG. 5 at B;

FIG. 7 is a schematic structural view of an endless drive module and an endless conveyor belt;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a substrate; 2. a loop bar; 3. a top seat; 4. an electric push rod; 5. a pressure application seat; 6. punching an upper die; 7. a support frame; 8. a half-page lower die; 9. stamping a workpiece; 10. positioning the caulking groove; 11. a damping elastic member; 12. embedding a base; 13. an annular drive module; 14. an endless conveyor belt; 15. a limiting seat; 16. a blanking push seat; 17. a through hole; 18. forming a groove; 19. forming a bump; 20. limiting the supporting roller; 21. a blanking seat; 22. a cushion ring seat; 23. a buffer spring; 24. a guide sleeve; 25. and positioning the mounting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the invention relates to a sheet metal part stamping device convenient for blanking, which comprises a substrate 1, wherein a group of loop bars 2 distributed in a rectangular array are fixedly connected to the top surface of the substrate 1; the top ends of the group of loop bars 2 are fixedly connected with a top seat 3; the top surface of the top seat 3 is fixedly connected with a group of electric push rods 4;

the bottom ends of the group of electric push rods 4 are fixedly connected with a pressure application seat 5; the bottom surface of the pressing base 5 is fixedly connected with a punching upper die 6 through a connecting piece; the top surface of the substrate 1 is fixedly connected with a supporting frame 7; two half-page lower dies 8 with the same structure are hinged between the inner surfaces of the supporting frames 7; a stamping workpiece 9 is arranged between the opposite surfaces of the stamping upper die 6 and the two half-page lower dies 8;

the bottom surfaces of the two half-page lower dies 8 are both fixedly provided with positioning caulking grooves 10; the top surface of the supporting frame 7 is fixedly connected with two groups of damping elastic pieces 11 which are symmetrically arranged; the top ends of the two groups of damping elastic pieces 11 are fixedly connected with embedding seats 12 matched with the positioning embedding grooves 10;

an annular driving module 13 is arranged between the opposite surfaces of the two embedding seats 12; the circumferential side surface of the annular driving module 13 is connected with an annular conveying belt 14; the surface of the annular conveying belt 14 is respectively provided with a limiting seat 15 and a blanking push seat 16; and a through hole 17 matched with the limiting seat 15 and the blanking push seat 16 is fixedly formed in one surface of the supporting frame 7.

As further shown in fig. 2 and 3, the two half-page lower molds 8 are symmetrically distributed with respect to the plane of the longitudinal axis of the endless conveyor 14; forming grooves 18 are fixedly formed in the surfaces of the two half-page lower dies 8; and a forming lug 19 matched with the forming groove 18 in shape is fixedly arranged on the bottom surface of the stamping upper die 6.

As further shown in fig. 5, 6 and 7, the endless drive module 13 includes a drive roller, a driven roller, and a servo motor; two ends of the driving roller and the driven roller are respectively and rotatably connected with the two embedding seats 12; one surface of the servo motor is fixedly connected with the embedding seat 12; one end of the output shaft of the servo motor is fixedly connected with the driving roller; the peripheral side surfaces of the driving roller and the driven roller are both connected with an annular conveying belt 14.

As further shown in fig. 6 and 7, a group of limit supporting rollers 20 which are distributed in a linear array and matched with the annular conveying belt 14 is rotatably connected between the inner surfaces of the two embedding seats 12; 14 top surface of annular conveyer belt and the parallel and level of the top surface of caulking seat 12, the effect that spacing backing roll 20 set up lies in reinforcing annular conveyer belt 14's compressive property, and then reinforcing spacing backing roll 20's structural strength, through the parallel and level design of 14 top surfaces of annular conveyer belt and the top surface of caulking seat 12 to guarantee the device's punching press quality.

As further shown in fig. 3 and 5, a blanking seat 21 is fixedly connected to a surface of the supporting frame 7; the blanking seat 21 is arranged at the rear side of the blanking push seat 16; and a discharging inclined plane is fixedly arranged at the bottom of the discharging seat 21.

As further shown in fig. 1 and 2, a group of the loop bars 2 are sleeved with a buffer ring seat 22 on the circumferential side; the bottom surfaces of the group of buffer ring seats 22 are fixedly connected with buffer springs 23; the buffer spring 23 is sleeved outside the loop bar 2; the axis position of the buffering ring seat 22 is fixedly provided with a guide hole matched with the loop bar 2.

As further shown in fig. 1 and fig. 2, a guide sleeve 24 is fixedly arranged on the surface of the pressing base 5 and corresponding to the position of the loop bar 2; torsional springs are fixedly arranged at the hinged parts of the two half-page lower dies 8 and the supporting frame 7; the torsional spring sets up the effect lies in making two half page or leaf bed moulds 8 can automatic re-setting to the state shown in fig. 1 and fig. 2, and then be favorable to taking off material work of shaping plate spare and mould, the location mounting hole 25 that two symmetries set up is seted up to braced frame 7 bottom surface, and the effect that location mounting hole 25 set up lies in being fixed in the device on other mounting platforms.

Further, the embedding seat 12 is matched with the shape of the positioning embedding groove 10; the damping elastic part 11 comprises a damping telescopic pipe; and a return spring is sleeved on the peripheral side surface of the damping telescopic pipe.

As further shown in fig. 7, the limiting seat 15 has the same structural characteristics as the blanking pushing seat 16; the limiting seat 15 and the blanking push seat 16 are both U-shaped; spacing 15 and unloading push away the interval of seat 16 for 0.5 times of the 14 total lengths of endless conveyor belt, set up through above-mentioned interval to conveniently carry out spacing 15 and unloading and push away the interconversion of seat 16 position and function, and in above-mentioned conversion process, can accomplish the unloading work of shaping sheet metal component automatically.

Further, the stamping method of the sheet metal part stamping device convenient for blanking comprises the following steps:

SS001, punching operation and initial state, the device is arranged as shown in figure 1, when in use, the device is matched with a controller, under the control of the controller, the electric push rod 4 and a servo motor in the annular driving module 13 form feedback, when in punching, a blank to be punched is placed above the two half-page lower dies 8, when the blank is placed, the limiting seat 15 limits the feeding position of the blank so as to ensure the feeding precision of the blank, after the blank is fed, the electric push rod 4 works, after the electric push rod 4 works, the punching upper die 6 is driven to displace towards one side of the half-page lower dies 8 along the direction of the sleeve rod 2, finally, the punching upper die 6 is contacted with the two half-page lower dies 8 so as to complete the blank operation, after the punching, the electric push rod 4 automatically resets, after the electric push rod 4 resets, the two half-page lower dies 8 are jacked up under the action of the damping elastic piece 11, two half page or leaf bed dies 8 are by jack-up after, accomplish the work of taking off between shaping blank and half page or leaf bed dies 8 and the punching press mould 6, simultaneously after electric putter 4 automatic re-setting accomplishes, the controller sends control signal to among the servo motor, after servo motor received the signal, then drive annular drive module 13 clockwise work, annular drive module 13 work back, then drive spacing seat 15 and carry out the displacement in the appointed stroke, wherein, the displacement length of annular conveyor belt 14 is half of annular conveyor belt 14 total length, above-mentioned displacement in-process, unloading pushes away seat 16 and then accomplishes the unloading operation of shaping blank, and after the displacement stops, unloading pushes away seat 16 and spacing seat 15 and accomplishes the interchange of a position and function just, then conveniently carry out next blank feeding operation.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A sheet metal part stamping device convenient for blanking comprises a base plate (1), wherein a group of loop bars (2) distributed in a rectangular array are fixedly connected to the top surface of the base plate (1); the top ends of the sleeve rods (2) are fixedly connected with a top seat (3); footstock (3) top surface fixedly connected with a set of electric putter (4), its characterized in that:

the bottom ends of the group of electric push rods (4) are fixedly connected with a pressure application seat (5); the bottom surface of the pressing seat (5) is fixedly connected with a pressing upper die (6) through a connecting piece; the top surface of the base plate (1) is fixedly connected with a supporting frame (7); two half-page lower dies (8) with the same structure are hinged between the inner surfaces of the supporting frames (7); a stamping workpiece (9) is arranged between the opposite surfaces of the stamping upper die (6) and the two half-page lower dies (8);

the bottom surfaces of the two half-page lower dies (8) are both fixedly provided with positioning caulking grooves (10); the top surface of the supporting frame (7) is fixedly connected with two groups of damping elastic pieces (11) which are symmetrically arranged; the top ends of the two groups of damping elastic pieces (11) are fixedly connected with embedding seats (12) matched with the positioning embedding grooves (10); an annular driving module (13) is arranged between the opposite surfaces of the two embedding seats (12); the circumferential side surface of the annular driving module (13) is connected with an annular conveying belt (14); the surface of the annular conveying belt (14) is respectively provided with a limiting seat (15) and a blanking push seat (16); and a through hole (17) matched with the limiting seat (15) and the blanking push seat (16) is fixedly formed in one surface of the supporting frame (7).

2. The stamping device for sheet metal parts convenient to blanking as claimed in claim 1, wherein the two half-page lower dies (8) are symmetrically distributed by taking the plane of the longitudinal axis of the endless conveyor belt (14) as an axis; forming grooves (18) are fixedly formed in the surfaces of the two half-page lower dies (8); and a forming convex block (19) matched with the forming groove (18) in shape is fixedly arranged on the bottom surface of the stamping upper die (6).

3. The stamping device for sheet metal parts convenient to blanking as claimed in claim 1, wherein the annular driving module (13) comprises a driving roller, a driven roller and a servo motor; two ends of the driving roller and two ends of the driven roller are respectively and rotatably connected with the two embedding seats (12); one surface of the servo motor is fixedly connected with the embedding seat (12); one end of the output shaft of the servo motor is fixedly connected with the driving roller; the peripheral side surfaces of the driving roller and the driven roller are both connected with an annular conveying belt (14).

4. The stamping device for the sheet metal parts convenient for blanking as claimed in claim 1, wherein a group of limiting supporting rollers (20) which are distributed in a linear array and matched with the annular conveying belt (14) are rotatably connected between the inner surfaces of the two embedding seats (12); the top surface of the annular conveying belt (14) is flush with the top surface of the embedding seat (12).

5. The stamping device for sheet metal parts convenient to blanking as recited in claim 1, wherein a blanking seat (21) is fixedly connected to one surface of the supporting frame (7); the blanking seat (21) is arranged at the rear side of the blanking push seat (16); the bottom of the blanking seat (21) is fixedly provided with a discharging inclined plane.

6. The stamping device for the sheet metal parts convenient to blanking as claimed in claim 1, wherein a group of loop bars (2) are sleeved with buffer ring seats (22) on the circumferential side; the bottom surfaces of the group of buffer ring seats (22) are fixedly connected with buffer springs (23); the buffer spring (23) is sleeved outside the loop bar (2); the axle center of the buffer ring seat (22) is fixedly provided with a guide hole matched with the loop bar (2).

7. The stamping device for the sheet metal parts convenient to discharge as claimed in claim 1, wherein a guide sleeve (24) is fixedly arranged on the surface of the pressing seat (5) and at a position corresponding to the loop bar (2); torsional springs are fixedly arranged at the hinged parts of the two half-page lower dies (8) and the supporting frame (7); two symmetrically-arranged positioning mounting holes (25) are formed in the bottom surface of the supporting frame (7).

8. The stamping device for sheet metal parts convenient to blanking as claimed in claim 1, wherein the embedding seat (12) is adapted to the shape of the positioning embedding groove (10); the damping elastic part (11) comprises a damping telescopic pipe; and a return spring is sleeved on the peripheral side surface of the damping telescopic pipe.

9. The stamping device for the sheet metal parts convenient to blanking as claimed in claim 1, wherein the limiting seat (15) and the blanking push seat (16) have the same structural characteristics; the limiting seat (15) and the blanking push seat (16) are both U-shaped structures; the spacing between the limiting seat (15) and the blanking pushing seat (16) is 0.5 times of the total length of the annular conveying belt (14).

10. The stamping method of the stamping device for the sheet metal parts convenient for blanking as claimed in any one of claims 1-9, comprising the steps of:

SS001, punching operation and initial state, the device is arranged as shown in figure 1, and when in use, the device is matched with a controller, under the control of the controller, the electric push rod (4) and a servo motor in the annular driving module (13) form feedback, when in punching, a blank to be punched is placed above the two half-page lower dies (8), when the blank is placed, the limiting seat (15) limits the feeding position of the blank so as to ensure the feeding precision of the blank, after the blank is fed, the electric push rod (4) works, after the electric push rod (4) works, the punching upper die (6) is driven to displace towards one side of the half-page lower dies (8) along the direction of the sleeve rod (2), finally, the punching upper die (6) is contacted with the two half-page lower dies (8) so as to finish the punching operation of the blank, and after the punching operation, the electric push rod (4) automatically resets, after the electric push rod (4) is reset, two half-page lower dies (8) are jacked up under the action of the damping elastic piece (11), after the two half-page lower dies (8) are jacked up, stripping work among the formed blank, the half-page lower dies (8) and the upper stamping die (6) is completed, meanwhile, after the electric push rod (4) is automatically reset, a controller sends a control signal to a servo motor, the servo motor receives the signal and then drives an annular driving module (13) to work clockwise, after the annular driving module (13) works, a limiting seat (15) is driven to displace in a specified stroke, wherein the displacement length of the annular conveying belt (14) is one half of the total length of the annular conveying belt (14), in the displacement process, the blanking pushing seat (16) completes blanking work of the formed blank, and after the displacement stops, the blanking push seat (16) and the limiting seat (15) just complete the interchange of the position and the function once, and then the next blank feeding operation is convenient to carry out.