CN113634648A

CN113634648A - Pressing forming device and pressing forming method

Info

Publication number: CN113634648A
Application number: CN202010343233.7A
Authority: CN
Inventors: 文贤善; 成文武
Original assignee: Hong Xun Shenzhen Industrial Co ltd
Current assignee: Hong Xun Shenzhen Industrial Co ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2021-11-12

Abstract

The invention provides a material pressing forming device and a material pressing forming method, which comprise a feeding station, a discharging station and at least two punching mechanisms, wherein each punching mechanism comprises a carrying assembly, a downward pressing assembly and a downward pressing driving assembly; the object carrying assembly comprises an object carrying platform, the object carrying platform is provided with a compaction groove for placing a product, the object carrying platform is provided with a stamping groove, the object carrying platform is provided with a jacking rod, and the object carrying platform is provided with an object carrying driving piece; the lower pressing component comprises a material pressing frame which is provided with a positioning surface used for abutting against a product and pressing the product into a pressing groove when the lower pressing component moves towards the objective table, and a stamping part which is arranged on the material pressing frame and presses the product into a stamping groove when the lower pressing component moves towards the objective table. The material pressing forming device and the material pressing forming method provided by the invention can prevent the wall thickness of a product from thinning and cracking due to overlarge forming pulling force and bending stress, and prevent the flatness and verticality deviation from being large, realize the uniform thickness of the side wall of the product, and improve the appearance quality and the shape precision of the product.

Description

Pressing forming device and pressing forming method

Technical Field

The invention belongs to the technical field of automation devices, and particularly relates to a pressing forming device and a pressing forming method.

Background

The stamping forming process is a mechanical processing process which utilizes a die to stamp plate blanks with different shapes into various hollow parts with openings or reduces the plane size of the hollow blank with the openings to increase the height of the hollow blank with the openings. The stamping forming process has the advantages of good sealing property, high structural strength, material saving, high production efficiency and the like, and is widely applied to the industrial production fields of the automobile industry, the aviation industry, the electrical appliance industry, the communication equipment industry, the entertainment equipment industry and the like. The traditional punch forming process can be used for punching and manufacturing thin-wall parts with various shapes such as a cylinder shape, a step shape, a cone shape, a sphere shape, a box shape and the like, in the punching process, forced material pressing and repeated bending are needed to straighten, and the side wall of a product produced by the punch forming process is usually a complete and smooth surface. With the requirement of technical progress, particularly the volume of electronic products is continuously reduced, more and more shells formed by stamping products need to be processed with processes of convex hulls, holes, local coating, local electroplating, viscose glue and the like on the inner surface or the outer surface of the side wall, the existing stamping forming technology adopts the steps of stamping and forming the shells firstly, and then further processing is carried out on the preset positions of the shells, so that the structural requirements of the products are met; the processing method has the advantages that the processing difficulty is high, the subsequent procedure processing direction identification and positioning difficulty is high, the product output speed is low, the operation space is small when the operation is carried out in the shell with the small size, the misoperation is easily caused, the yield is low, and the production cost is high. In the process of punch forming of a product, a metal plate material is bent and straightened by 90 degrees for a plurality of times, the side wall of the product is subjected to plastic deformation for a plurality of times, the deviation of flatness and verticality caused by residual stress is large, the corner at the top of the product is thinned and cracked easily due to the combined action of pulling force and friction force, the thinner area of the material can be transferred to the side wall of the product in the subsequent process after being subjected to stamping and stretching for a plurality of times, the thickness of the side wall of the product is uneven, the appearance of the product is enabled to generate crease feeling, in order to solve the problems, the traditional process usually adopts a thinning and stretching mode, the mode not only can reduce the service life of a die, but also increases the risk of appearance defects of the product.

Disclosure of Invention

The invention aims to provide a pressing forming device, which solves the technical problems that in the prior art, when a product is punched by a punching forming device, the flatness and verticality deviation are large due to residual stress, and the appearance of the product has defects due to uneven side wall thickness of the product.

In order to achieve the purpose, the invention adopts the technical scheme that: the pressing forming device comprises a feeding station, a discharging station and at least two punching mechanisms which are arranged between the feeding station and the discharging station and are sequentially arranged in the direction from the feeding station to the discharging station, wherein each of the at least two punching mechanisms comprises a carrying component, a pressing component arranged above the carrying component and a pressing driving component used for driving the pressing component to move relative to the carrying component; the object carrying assembly comprises an object carrying platform, the object carrying platform is provided with an object carrying surface which is positioned on the surface of the object carrying platform and used for placing a product, a compaction groove for placing the product is formed in the object carrying surface of the object carrying platform, a stamping groove is formed in the bottom of the object carrying platform positioned in the compaction groove, a jacking rod is arranged at the bottom of the object carrying platform positioned in the stamping groove, and an object carrying driving piece used for driving the jacking rod to move up and down relative to the object carrying platform is arranged on the object carrying platform; the pressing component comprises a material pressing frame and a stamping part, the material pressing frame is provided with a positioning surface used for abutting against the product, the material pressing frame is used for pressing the product into the pressing groove when the pressing component moves towards the objective table, and the stamping part is arranged on the material pressing frame and is used for pressing the product into the stamping groove when the pressing component moves towards the objective table.

Furthermore, press material forming device including set up a plurality of side by side punching press mechanism, it is a plurality of punching press mechanism the bottom surface of punching press groove and with the contained angle of the lateral wall that the bottom surface is connected is close to from the pan feeding station extremely reduce gradually in the direction of ejection of compact station, it is a plurality of the department of bending of stamping workpiece with the product butt and the punching press in the same position region of product is in order to form the region of bending of product.

Furthermore, the angle interval of the included angle between the bottom surface of the stamping groove and the side wall connected with the bottom surface is 90-180 degrees, and the angle between the bottom surface of the stamping groove and the side wall connected with the bottom surface of the stamping mechanism close to the discharging station of the material pressing forming device is 90 degrees.

Further, the objective table is located the cell wall that compresses tightly the groove is provided with at least one first groove of stepping down, supplies the machined part of product is put into at least one first groove of stepping down, the stamping workpiece is provided with at least one second groove of stepping down, supplies the machined part of product is put into at least one the second groove of stepping down.

Furthermore, the material pressing frame is located the locating surface is provided with at least one third groove of stepping down, supplies the machined part of product to put into at least one the third groove of stepping down.

Further, the pressing driving assembly comprises a first driving piece and a second driving piece, the first driving piece is used for driving the material pressing frame to move relative to the carrying component, and the second driving piece is used for driving the stamping part to move relative to the carrying component.

Furthermore, the bottom surface of the material pressing frame is provided with a limiting protrusion in an outward protruding mode, and the top surface of the objective table is formed with a limiting groove in an inward recessed mode and matched and butted with the limiting protrusion.

Further, the material pressing and forming device further comprises at least two conveying mechanisms, and each conveying mechanism comprises a clamping piece used for clamping the product and a clamping driving piece used for driving the clamping piece to move relative to the stamping mechanism.

The pressing forming device provided by the invention has the beneficial effects that: compared with the prior art, the material pressing and forming device comprises a feeding station, a discharging station and at least two punching mechanisms which are arranged between the feeding station and the discharging station and are sequentially arranged in the direction from the feeding station to the discharging station, wherein each of the at least two punching mechanisms comprises a carrying component, a lower pressing component arranged above the carrying component and a lower pressing driving component used for driving the lower pressing component to move relative to the carrying component; the object carrying assembly comprises an object carrying platform used for placing a product, the object carrying platform is provided with an object carrying surface which is positioned on the surface of the object carrying platform and used for placing the product, a compaction groove used for placing the product is formed in the object carrying surface of the object carrying platform, a stamping groove is formed in the bottom of the object carrying platform positioned in the compaction groove, the product is placed in the compaction groove of the object carrying platform, and a stamped area of the product is covered on the stamping groove of the object carrying platform; meanwhile, the bottom of the stamping groove is provided with a jacking rod and a loading driving part used for driving the jacking rod to move up and down relative to the loading platform, and the loading driving part drives the jacking rod to move up and down and pushes the product out of the stamping groove; the pressing component comprises a pressing frame which is provided with a positioning surface used for abutting against a product and pressing the product into a pressing groove when the pressing component moves towards the objective table, a stamping part which is arranged on the pressing frame and presses the product into the pressing groove when the pressing component moves towards the objective table, a pressing driving component drives a pressing frame of the pressing component to descend, the positioning surface of the pressing frame abuts against the product and presses the product into the pressing groove, the stamping part arranged on the pressing frame presses the product into the pressing groove when the pressing component moves towards the objective table for stamping forming, and stamping forming is carried out on a high-deformation area of the product through the pressing component, so that redundant material of the product flows towards the outer side direction, the flow towards a low-deformation area is reduced, the forming internal stress of the low-deformation area of the product is reduced, the large deviation of flatness and verticality caused by the residual stress is prevented, and the defect exists on the appearance of the product caused by the uneven thickness of the side wall of the product, the thickness of the side wall is uniform, and the shape precision of the product is effectively improved.

The invention aims to provide a material pressing forming method, which aims to solve the technical problems that in the prior art, when a product is punched, the deviation of flatness and verticality is large due to residual stress, and the appearance of the product is defective due to uneven side wall thickness of the product.

In order to achieve the purpose, the invention adopts the technical scheme that: the material pressing forming method using the material pressing forming device comprises the following steps:

providing a material pressing and forming device;

the product enters from the feeding station of the material pressing forming device, is placed on the carrying component of the stamping mechanism close to the feeding station, and is placed on the carrying platform of the carrying component;

the pressing frame of the pressing assembly is driven to descend by a pressing driving assembly of the punching mechanism, a positioning surface of the pressing frame abuts against the product and presses the product into the pressing groove, and the product is pressed into the pressing groove by the pressing part arranged on the pressing frame when the pressing assembly moves towards the objective table for punch forming;

the jacking rod of the objective table, which is positioned at the bottom of the stamping groove, is driven by the objective driving piece of the objective assembly to eject the product out of the compaction groove and convey the product to the next stamping mechanism for stamping forming;

when the stamping mechanism of the material pressing and forming device, which is close to the discharging station, completes stamping forming, the product is conveyed to the discharging station;

the next work cycle is started.

Furthermore, at least one first abdicating groove is formed in the groove wall, located in the compaction groove, of the objective table, and at least one second abdicating groove is formed in the stamping part;

processing the product at a preset position;

will the processed part of product is put into the objective table the first groove of stepping down, push down the drive assembly drive when pushing down the subassembly and descend, the processed part of product is put into the punching press is fast the second groove of stepping down.

The pressing forming method provided by the invention has the beneficial effects that: compared with the prior art, the material pressing forming method has the advantages that the material pressing forming device is arranged, a product enters from the feeding station of the material pressing forming device, is placed on the carrying component of the stamping mechanism close to the feeding station, and is placed on the carrying table of the carrying component; the pressing driving assembly drives the pressing frame of the pressing assembly to descend, the positioning surface of the pressing frame of the pressing assembly abuts against the product and presses the product into the pressing groove, the product is prevented from moving relative to the objective table, and a stamping part arranged on the pressing frame presses the product into the stamping groove when the pressing assembly moves towards the objective table to perform stamping forming; the jacking rod of the objective table, which is positioned at the bottom of the stamping groove, is driven by the objective driving piece of the objective assembly to eject the product out of the compaction groove and convey the product to the next stamping mechanism for stamping forming; when a punching mechanism of the material pressing forming device, which is close to the discharging station, completes punching forming, the product is conveyed to the discharging station; according to the material pressing forming method, the high deformation area of the product is subjected to punch forming through the pressing assembly, so that the redundant material of the product flows towards the outer side direction, the material flow towards the low deformation area is reduced, the forming internal stress of the low deformation area of the product is further reduced, the phenomenon that the flatness and the verticality deviation are large due to stress residue is prevented, the appearance of the product is defective due to the fact that the side wall thickness of the product is uneven, the side wall thickness is even, and the shape precision of the product is effectively improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described 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 to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic perspective structure view of a stamping mechanism of a swaging forming device provided in an embodiment of the present invention;

fig. 2 is a schematic perspective view of a material pressing and forming device provided in an embodiment of the present invention;

fig. 3 is a schematic sectional view taken along line a-a of fig. 2.

Wherein, in the figures, the respective reference numerals:

1: and (3) a stamping mechanism 2: loading assembly

21: the stage 211: pressing groove

212: the punching groove 213: the first abdicating groove

22: the jacking rod 3: push-down assembly

31: the material pressing frame 32: stamping part

321: the second abdicating groove 4: product(s)

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 2 together, the material pressing and forming apparatus provided in this embodiment includes a feeding station, a discharging station, and at least two punching mechanisms 1 disposed between the feeding station and the discharging station and sequentially disposed in the directions from the feeding station and the discharging station, where each of the at least two punching mechanisms 1 includes a carrying assembly 2, a pressing assembly 3 disposed above the carrying assembly 2, and a pressing driving assembly for driving the pressing assembly 3 to move relative to the carrying assembly 2; the object carrying assembly 2 comprises an object carrying table 21, the object carrying table 21 is provided with an object carrying surface which is positioned on the surface of the object carrying table and is used for placing the product 4, a compaction groove 211 for placing the product 4 is formed in the object carrying surface of the object carrying table 21, a stamping groove 212 is formed in the bottom of the object carrying table 21 positioned in the compaction groove 211, a jacking rod 22 is arranged at the bottom of the object carrying table 21 positioned in the stamping groove 212, and an object carrying driving part for driving the jacking rod 22 to move up and down relative to the object carrying table 21 is arranged on the object carrying table 21; the hold-down unit 3 includes a holder 31 having a positioning surface for abutting against the product 4 and pressing the product 4 into the hold-down groove 211 when the hold-down unit 3 moves toward the stage 21, and a punch 32 provided on the holder 31 and pressing the product 4 into the punch groove 212 when the hold-down unit 3 moves toward the stage 21.

The material pressing forming device comprises a feeding station, a discharging station and at least two punching mechanisms 1 which are arranged between the feeding station and the discharging station and are sequentially arranged in the direction from the feeding station to the discharging station, wherein each of the at least two punching mechanisms 1 comprises a carrying component 2, a pushing component 3 arranged above the carrying component 2 and a pushing driving component for driving the pushing component 3 to move relative to the carrying component 2; the object carrying assembly 2 comprises an object carrying table 21 for placing the product 4, the object carrying table 21 is provided with an object carrying surface which is positioned on the surface of the object carrying table and is used for placing the product 4, a compaction groove 211 for placing the product 4 is formed in the object carrying surface of the object carrying table 21, a stamping groove 212 is formed in the bottom of the object carrying table 21 positioned in the compaction groove 211, the product 4 is placed in the compaction groove 211 of the object carrying table 21, and a stamped area of the product 4 is covered on the stamping groove 212 of the object carrying table 21; meanwhile, the bottom of the stamping groove 212 is provided with a jacking rod 22 and a loading driving piece for driving the jacking rod 22 to move up and down relative to the loading platform 21, and the loading driving piece drives the jacking rod 22 to move up and down and pushes the product 4 out of the stamping groove 212; the pressing component 3 comprises a pressing frame 31 which is provided with a positioning surface used for abutting against the product 4 and pressing the product 4 into a pressing groove 211 when the pressing component 3 moves towards the objective table 21, a stamping part 32 which is arranged on the pressing frame 31 and presses the product 4 into the pressing groove 212 when the pressing component 3 moves towards the objective table 21, a pressing driving component drives the pressing frame 31 of the pressing component 3 to descend, the positioning surface of the pressing frame 31 abuts against the product 4 and presses the product 4 into the pressing groove 211, the stamping part 32 arranged on the pressing frame 31 presses the product 4 into the pressing groove 212 when the pressing component 3 moves towards the objective table 21 for stamping forming, and the stamping forming is carried out on the deformation area of the product 4 through the pressing component 3, so that the redundant material of the product 4 flows towards the outer side, the flow towards the low deformation area is reduced, and the internal stress forming of the low deformation area of the product 4 is reduced, prevent that stress from remaining to lead to the flatness and hang down straightness deviation big, the lateral wall thickness of product 4 is inhomogeneous to lead to product 4 outward appearance to have the defect for lateral wall thickness is even, effectively improves the shape accuracy of product 4.

Referring to fig. 1 to 2 together, as a specific embodiment of the material pressing and forming apparatus provided in this embodiment, the material pressing and forming apparatus includes a feeding station, a discharging station, and at least two stamping mechanisms 1 disposed between the feeding station and the discharging station and disposed in sequence in the direction from the feeding station and the discharging station, where the specific number and the specific structure of the stamping mechanisms 1 are not limited, the at least two stamping mechanisms 1 each include a carrying component 2 for placing a product 4, and a lower pressing component 3 disposed above the carrying component 2, and the downward pressing driving component is used for driving the downward pressing component 3 to move relative to the object carrying component 2, the downward pressing driving component drives the downward pressing component 3 to punch and form the product 4 placed on the object carrying component 2, and specific structures of the object carrying component 2, the downward pressing component 3 and the downward pressing driving component are not limited. The object carrying assembly 2 comprises an object carrying table 21 for placing the product 4, the object carrying table 21 is provided with an object carrying surface which is positioned on the surface of the object carrying table and is used for placing the product 4, a compaction groove 211 for placing the product 4 is formed in the object carrying surface of the object carrying table 21, the product 4 is placed in the compaction groove 211, and the structure of the compaction groove 211 is matched with that of the product 4; the object stage 21 is provided with a stamping groove 212 at the bottom of the compaction groove 211, the stamped area of the product 4 is covered at the opening of the stamping groove 212 of the object stage 21, the object stage 21 is provided with a lifting rod 22 at the bottom of the stamping groove 212, the object stage 21 is provided with an object driving member for driving the lifting rod 22 to move up and down relative to the object stage 21, the object driving member drives the lifting rod 22 to move up and down and pushes the product 4 out of the compaction groove 211, and the specific structures and connection modes of the object stage 21, the lifting rod 22 and the object driving member are not limited; preferably, the object driving member is a driving cylinder or a spring assembly, and the object driving member is fixedly connected to the object table 21 and located at the bottom of the lifting rod 22. The pressing component 3 comprises a pressing frame 31 which is provided with a positioning surface used for abutting against the product 4 and pressing the product 4 into the pressing groove 211 when the pressing component 3 moves towards the objective table 21, and a stamping part 32 which is arranged on the pressing frame 31 and presses the product 4 into the stamping groove 212 when the pressing component 3 moves towards the objective table 21, wherein the specific structure and the connection mode of the pressing frame 31 and the stamping part 32 are not limited; further, the pressing driving assembly comprises a first driving element for driving the pressing frame 31 to move relative to the carrying assembly 2 and a second driving element for driving the pressing piece 32 to move relative to the carrying assembly 2, the first driving element of the pressing driving assembly drives the pressing frame 31 to move towards the carrying platform 21 and press the product 4 into the pressing groove 211, the positioning surface of the pressing frame 31 abuts against the product 4 to position the product 4, and the product 4 is prevented from moving relative to the carrying platform 21, so that processing deviation is caused; the second driving piece drives the stamping part 32 to move towards the objective table 21 and presses the product 4 into the stamping groove 212, so as to stamp and form the product 4; the high deformation region of pressing material forming device through a plurality of punching press mechanisms 1 to product 4 carries out stamping forming through pushing down subassembly 3 for the unnecessary material of product 4 flows to the outside direction, reduces to the regional flow of low deformation, and then reduces the regional shaping internal stress of 4 low deformation of product, it is big to prevent that stress from remaining to lead to the plane degree and hang down straightness deviation, the inhomogeneous product 4 outward appearance that leads to of the lateral wall thickness of product 4 has the defect, make lateral wall thickness even, effectively improve the shape precision of product 4.

Referring to fig. 1, in the present embodiment, at least one first yielding groove 213 is disposed on a wall of the pressing groove 211 of the stage 21 of the pressing and forming device, so that the processed portion of the product 4 is placed into the at least one first yielding groove 213, the stamping part 32 is provided with at least one second yielding groove 321, so that the processed portion of the product 4 is placed into the at least one second yielding groove 321, and the product 4 is processed at a predetermined position before stamping, for example: perforating, arranging a bulge, coating or pasting other parts on the product 4, then placing the product 4 on the objective table 21, placing the processed part of the product 4 into the first abdicating groove 213 of the pressing groove 211, driving the pressing frame 31 to move towards the objective table 21 by a first driving piece of the downward pressing driving assembly, enabling the positioning surface of the pressing frame 31 to abut against the product 4 and press the product 4 into the pressing groove 211, and placing the processed part of the product 4 into the first abdicating groove 213 of the objective table 21; when the second driving piece of the pressing driving assembly drives the stamping part 32 to descend, the processed part of the product 4 is placed into the second abdicating groove 321 with fast stamping, the stamping part 32 presses the product 4 into the stamping groove 212 when the pressing assembly 3 moves towards the objective table 21, and the product 4 is stamped and formed, so that on one hand, the positioning effect can be achieved, the product 4 is prevented from moving relative to the objective table 21, and the processing deviation is caused, on the other hand, when the stamping is prevented, the finished processing area of the product 4 is stamped and deformed, the problem of large processing difficulty in the product 4 with small size is solved, the process flow is effectively simplified, the processing difficulty is reduced, and the working efficiency and the yield are improved. Further preferably, the material pressing frame 31 is provided with at least one third yielding groove on the positioning surface, so that the processed part of the product 4 is placed into the at least one third yielding groove, and the deformation caused by extrusion on the processed area of the product 4 when the positioning surface of the material pressing frame 31 and the object carrying surface of the object carrying table 21 respectively abut against the product 4 is prevented. The number and the arrangement positions of the first and

third relief grooves

213, 321, 31 of the

stage

21, 32 and 31 are not limited, and may be set according to the specific structure of the product 4 to be pressed. Further, the material pressing and forming device further comprises at least two conveying mechanisms, the number and the specific structure of the conveying mechanisms are not limited, and preferably, the number of the conveying mechanisms corresponds to the number of the punching mechanisms 1; at least two conveying mechanism all include the holder that is used for centre gripping product 4 and the centre gripping driving piece that is used for driving the relative punching press mechanism 1 of holder and removes, and the centre gripping driving piece through conveying mechanism drives the holder and removes to drive the holder centre gripping and carry product 4 to a plurality of punching press mechanism 1 from the pan feeding station and carry out stamping process. Further, the bottom surface of the material pressing frame 31 is outwards convexly provided with a limiting protrusion, the top surface of the objective table 21 is inwards concavely provided with a limiting groove in matched and butted joint with the limiting protrusion, the limiting protrusion is arranged on the positioning surface of the material pressing frame 31, and meanwhile, the limiting groove in matched and butted joint with the limiting protrusion is arranged on the carrying surface of the objective table 21, so that the downward pressing driving assembly drives the downward pressing assembly 3 to descend and press the product 4, the limiting protrusion is arranged in the limiting groove to limit the movement direction of the downward pressing assembly 3, the guiding effect is achieved, the machining position precision of the material pressing forming device in punch forming of the product 4 is guaranteed, and the reliability of the material pressing forming device is effectively improved.

Referring to fig. 3, in the present embodiment, the material pressing and forming apparatus includes a plurality of stamping mechanisms 1 disposed side by side, an included angle between a bottom surface of the stamping groove 212 of the plurality of stamping mechanisms 1 and a side wall connected to the bottom surface is gradually reduced from a feeding station close to the material pressing and forming apparatus to a discharging station, a bending portion of the plurality of stamping parts 32 abuts against the product 4 and stamps on a same position region of the product 4 to form a bending region of the product 4, by disposing the plurality of stamping mechanisms 1, and an included angle between the bottom surface of the stamping groove 212 of the plurality of stamping mechanisms 1 and the side wall connected to the bottom surface is gradually reduced from the feeding station close to the material pressing and forming apparatus to the discharging station, a stamping and stretching deformation amount of the product 4 during conveying to each stamping mechanism 1 for stamping forming is effectively reduced, on one hand, a friction force between the product 4 and the stamping parts 32 is effectively reduced, reduce the wearing and tearing to pushing down subassembly 3, improve the life of pushing down subassembly 3, on the other hand can prevent that product 4 from being great because the tensile deflection of punching press many times, it leads to its easy fracture to cause the department of bending thickness attenuation of product 4, reduce to the regional flow of low deformation, and then reduce the shaping internal stress in the low deformation region of product 4, it leads to the flatness and the straightness deviation of hanging down to prevent that stress from remaining, the department of bending and the product 4 butt of a plurality of stamping parts 32 are punched in the same position region of product 4 in order to form the region of bending of product 4, prevent the department of bending and the regional butt of the different positions of lateral wall of product 4 of a plurality of stamping parts 32 and punching press, it produces the lateral wall thickness inhomogeneous to cause a plurality of position regions of lateral wall of product 4 to be bent, lead to product 4 outward appearance to have the defect, effectively improve the shape precision of product 4 and the life of product 4. The angle between the bottom surface of the stamping groove 212 of the stamping mechanism 1 and the side wall connected with the bottom surface is not limited, preferably, the angle between the bottom surface of the stamping groove 212 and the side wall connected with the bottom surface is 90-180 degrees, and the angles between the bottom surface of the stamping groove 212 and the side wall connected with the bottom surface are equally arranged according to the number of the stamping mechanisms 1 of the material pressing forming device, so that the stamping and stretching deformation amount of the product 4 conveyed to each stamping mechanism 1 for stamping forming is equal; further preferably, the angle between the bottom surface of the stamping groove 212 of the stamping mechanism 1 close to the discharge station of the material pressing and forming device and the included angle between the side walls connected with the bottom surface is 90 degrees, so that the maximum deformation of the product 4 is achieved after the product is formed by stamping of the material pressing and forming device, and the processing requirement of a user is met.

Referring to fig. 2 to 3, the present embodiment provides a press forming method using the press forming apparatus, including the following steps:

providing a material pressing and forming device;

the product 4 enters from a feeding station of the material pressing forming device, is placed on the carrying component 2 of the stamping mechanism 1 close to the feeding station, and the product 4 is placed on the carrying platform 21 of the carrying component 2;

a pressing driving component of the punching mechanism 1 drives a material pressing frame 31 of a pressing component 3 to descend, a positioning surface of the material pressing frame 31 is abutted against a product 4 and presses the product 4 into a pressing groove 211, and a punching part 32 arranged on the material pressing frame 31 presses the product 4 into a punching groove 212 when the pressing component 3 moves towards an objective table 21 for punching;

the lifting rod 22 of the objective table 21, which is positioned at the bottom of the stamping groove 212, is driven by the carrying driving part of the carrying assembly 2 to lift the product 4 out of the compacting groove 211, and the product is conveyed to the next stamping mechanism 1 for stamping forming;

when the stamping mechanism 1 of the material pressing forming device, which is close to the discharging station, completes stamping forming, the product 4 is conveyed to the discharging station;

the next work cycle is started.

According to the material pressing forming method, the material pressing forming device is arranged, so that the product 4 enters from the feeding station of the material pressing forming device, is placed on the carrying component 2 of the stamping mechanism 1 close to the feeding station, and the product 4 is placed on the carrying table 21 of the carrying component 2; the pressing driving assembly drives the material pressing frame 31 of the pressing assembly 3 to descend, the positioning surface of the material pressing frame 31 of the pressing assembly 3 is abutted against the product 4 and presses the product 4 into the pressing groove 211, the product 4 is prevented from moving relative to the objective table 21, and the stamping part 32 arranged on the material pressing frame 31 presses the product 4 into the stamping groove 212 when the pressing assembly 3 moves towards the objective table 21, so that stamping forming is carried out; the lifting rod 22 of the objective table 21, which is positioned at the bottom of the stamping groove 212, is driven by the carrying driving part of the carrying assembly 2 to lift the product 4 out of the compacting groove 211, and the product is conveyed to the next stamping mechanism 1 for stamping forming; when the stamping mechanism 1 of the material pressing forming device, which is close to the discharging station, completes stamping forming, the product 4 is conveyed to the discharging station; according to the material pressing forming method, the high deformation area of the product 4 is subjected to punch forming through the pressing component 3, so that redundant materials of the product 4 flow towards the outer side direction, the flow towards the low deformation area is reduced, the forming internal stress of the low deformation area of the product 4 is reduced, the situation that the flatness and the verticality deviation are large due to stress residue is prevented, the appearance of the product 4 is defective due to the fact that the side wall thickness of the product 4 is uneven, the side wall thickness is even, and the shape accuracy of the product 4 is effectively improved.

Referring to fig. 1 to fig. 2, in the swaging forming method of the present embodiment, a wall of the objective table 21 located in the pressing groove 211 is provided with at least one first yielding groove 213, and the stamping part 32 is provided with at least one second yielding groove 321;

processing the product 4 at a preset position;

the processed part of the product 4 is placed in the first yielding groove 213 of the stage 21, and when the pushing driving assembly drives the pushing assembly 3 to descend, the processed part of the product 4 is placed in the second yielding groove 321 with fast stamping. Before stamping, the product 4 is processed at a preset position, such as: the hole is opened, the bulge is arranged, the product 4 is coated or stuck, the product 4 is clamped by a clamping piece of a conveying mechanism of a material pressing forming device, the clamping piece and the product 4 are driven to move to an objective table 21 of a stamping mechanism 1 by a clamping driving piece, a material pressing frame 31 of a downward pressing component 3 is driven to descend by the downward pressing driving component, a positioning surface of the material pressing frame 31 is abutted against the product 4 and presses the product 4 into a compaction groove 211, a processed part of the product 4 is placed into a first abdicating groove 213 of the objective table 21, when the downward pressing driving component drives a stamping part 32 to descend, the processed part of the product 4 is placed into a second abdicating groove 321 with fast stamping, the stamping part 32 presses the product 4 into a stamping groove 212 when the downward pressing component 3 moves towards the objective table 21, the product 4 is stamped and is stamped, the objective table 22 is driven by the driving piece to ascend, the stamped product 4 is ejected out of the compaction groove 211, and then the product 4 is conveyed to a discharging position by the conveying mechanism, and starting the next working cycle; according to the material pressing forming method, the product 4 can be locally processed firstly, then the product is conveyed to the punching mechanism 1, the high deformation area of the product 4 is subjected to punch forming through the pressing component 3, so that redundant material of the product 4 flows towards the outer side direction, the flow towards the low deformation area is reduced, the forming internal stress of the low deformation area of the product 4 is further reduced, the large deviation of the planeness and the verticality caused by stress residue is prevented, the defect exists in the appearance of the product 4 caused by the uneven side wall thickness of the product 4, the side wall thickness is uniform, and the shape precision of the product 4 is effectively improved; put into the first groove 213 of stepping down of objective table 21 with the processed region of product 4, be provided with the second groove 321 of stepping down at stamping workpiece 32 simultaneously, avoid pushing down subassembly 3 and carry out the punching press to the processed region and lead to taking place deformation, solve the problem that the inside processing degree of difficulty is big at the less product 4 of volume, effectively simplify process flow, reduce the processing degree of difficulty, improve operating efficiency and yields.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a press material forming device which characterized in that: the stamping device comprises a feeding station, a discharging station and at least two stamping mechanisms which are arranged between the feeding station and the discharging station and are sequentially arranged in the direction from the feeding station to the discharging station, wherein each of the at least two stamping mechanisms comprises a carrying component, a pressing component arranged above the carrying component and a pressing driving component used for driving the pressing component to move relative to the carrying component; the object carrying assembly comprises an object carrying platform, the object carrying platform is provided with an object carrying surface which is positioned on the surface of the object carrying platform and used for placing a product, a compaction groove for placing the product is formed in the object carrying surface of the object carrying platform, a stamping groove is formed in the bottom of the object carrying platform positioned in the compaction groove, a jacking rod is arranged at the bottom of the object carrying platform positioned in the stamping groove, and an object carrying driving piece used for driving the jacking rod to move up and down relative to the object carrying platform is arranged on the object carrying platform; the pressing component comprises a material pressing frame and a stamping part, the material pressing frame is provided with a positioning surface used for abutting against the product, the material pressing frame is used for pressing the product into the pressing groove when the pressing component moves towards the objective table, and the stamping part is arranged on the material pressing frame and is used for pressing the product into the stamping groove when the pressing component moves towards the objective table.

2. The swaging forming device of claim 1, wherein: press material forming device including set up a plurality of side by side punching press mechanism, it is a plurality of punching press mechanism the bottom surface of punching press groove and with the contained angle of the lateral wall that the bottom surface is connected is close to from the pan feeding station extremely reduce gradually in the direction of ejection of compact station, it is a plurality of the department of bending of stamping workpiece with the product butt and the punching press in the same position region of product is in order to form the region of bending of product.

3. The swaging forming device of claim 2, wherein: the angle interval of the included angle between the bottom surface of the stamping groove and the side wall connected with the bottom surface is 90-180 degrees, the material pressing forming device is close to the discharging station, and the angle between the bottom surface of the stamping groove and the included angle between the side wall connected with the bottom surface of the stamping mechanism is 90 degrees.

4. The swaging forming device of claim 1, wherein: the objective table is located the cell wall that compresses tightly the groove is provided with at least one first groove of stepping down, supplies the machined part of product is put into at least one first groove of stepping down, the stamping workpiece is provided with at least one second groove of stepping down, supplies the machined part of product is put into at least one the second groove of stepping down.

5. The swaging forming device of claim 1, wherein: the material pressing frame is located the locating surface is provided with at least one third groove of stepping down, supplies the machined part of product to put into at least one the third groove of stepping down.

6. The swaging forming device of claim 1, wherein: the pressing driving assembly comprises a first driving piece and a second driving piece, the first driving piece is used for driving the material pressing frame to move relative to the material carrying assembly, and the second driving piece is used for driving the stamping piece to move relative to the material carrying assembly.

7. The swaging forming device of claim 1, wherein: the bottom surface of the material pressing frame is provided with a limiting bulge in an outward protruding mode, and the top surface of the objective table is formed with a limiting groove in an inward sunken mode and matched and butted with the limiting bulge.

8. The swaging forming device of claim 1, wherein: the material pressing and forming device further comprises at least two conveying mechanisms, and the at least two conveying mechanisms comprise clamping pieces used for clamping the products and clamping driving pieces used for driving the clamping pieces to move relative to the punching mechanisms.

9. A press molding method using the press molding apparatus according to claim 1, characterized by comprising the steps of:

providing a material pressing and forming device;

the next work cycle is started.

10. The press forming method according to claim 9, characterized in that: the wall of the loading platform, which is positioned on the compaction groove, is provided with at least one first abdicating groove, and the stamping part is provided with at least one second abdicating groove;

processing the product at a preset position;