CN115534566B

CN115534566B - Forming and processing device for stainless steel cabinet plate

Info

Publication number: CN115534566B
Application number: CN202211535695.4A
Authority: CN
Inventors: 周兰芳; 李娜; 陈潮深
Original assignee: Jiangsu Guansen New Material Technology Co ltd
Current assignee: Jiangsu Guansen New Material Technology Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-03-24
Anticipated expiration: 2042-12-02
Also published as: CN115534566A

Abstract

The invention relates to a forming and processing device of a stainless steel cabinet plate, which comprises a stamping mechanism for providing stamping power, an expansion mechanism for flattening a stainless steel plate during stamping and a release mechanism for releasing stress of the stainless steel plate during pattern impacting, wherein the expansion mechanism is arranged on an upper die of the stamping mechanism, and the release mechanism is arranged in the expansion mechanism; expanding mechanism includes the stress seat, and four apex angles departments at last mould are evenly installed to four stress seats, and the apex angle department that the stress seat corresponds the mould is provided with the closed angle, and the closed angle of stress seat outwards, all installs the blank holder between per two stress seats, and blank holder both ends face passes through the connecting rod and connects the blank holder, and stress seat upper end is connected on last mould through the cooperation seat for solve four corners stress concentration when carrying out the punching press decorative pattern to corrosion resistant plate and take place fold or tearing technical problem.

Description

Forming and processing device for stainless steel cabinet plate

Technical Field

The invention relates to the field of stainless steel plate processing, in particular to a forming processing device for a stainless steel cabinet plate.

Background

The stainless steel table top belongs to high-grade metallic silver, the metallic element is widely applied element, can be matched with door plates of any color, the quality of the emitted light is most exciting, the modesty and luxury of the table top are shown, and the extraordinary metal charm is undoubted. With the rapid popularization of the domestic integral cabinet, the requirement of people on the integral cabinet is higher and higher, and the integral stainless steel table top is popularized in China. Compared with the table top made of other materials, the stainless steel table top has the advantages of environmental protection, no radiation, luxury, heat resistance, wear resistance, durability, brightness as new and the like. Traditional cupboard panel is being gradually replaced by stainless steel cupboard knurling board, and current cupboard still has exposed a lot of problems with knurling board, because, people to the higher requirement of convenient life, the traditional knurling board that uses on the cupboard has satisfied people to the requirement of appearance, and pattern flower type all kinds all have, so add man-hour to stainless steel cupboard panel at present, often adopt the mode of interior outer mould to carry out the knurling on the panel.

The invention discloses an automatic material pushing type stainless steel circular thin plate forming device, which comprises a rack, wherein an upper support frame is fixed on the top surface of a top plate of the rack, a punching oil cylinder is fixed in the middle of the top surface of the top plate of the upper support frame, a push rod of the punching oil cylinder penetrates through the top plate of the upper support frame and is fixed with an upper connecting plate, an upper die is fixed in the middle of the bottom surface of the upper connecting plate, a plurality of punching salient points are uniformly distributed on the bottom surface of the upper die, connecting plates are fixed on the bottom surfaces of two sides of the upper connecting plate, a guide sleeve is fixed on the bottom surface of the connecting plate, a guide rod is inserted in the guide sleeve, an upper pressure plate is fixed at the bottom end of the guide rod, a buffer spring is inserted in the guide rod and the guide sleeve, the upper end of the buffer spring is fixed on the connecting plate, the lower end of the buffer spring is fixed on the top surface of the upper pressure plate, in the scheme, a corner fixing mode is adopted in the punching process, however, when the current stainless steel pattern impact is adopted, the center area is generally impacted, the stainless steel is impacted, the stainless steel has a certain ductility, the corner area is different from the fixed area, and the corner area, the stress is easily concentrated in the corner, and the corner stress of the stainless steel is easily generated in the corner, and the corner is easily generated in the tearing stress of the stainless steel is concentrated in the tearing stress area, and the tearing stress of the stainless steel is easily generated in the tearing area, and the tearing stress of the tearing area is easily generated in the tearing area.

Disclosure of Invention

The invention provides a forming processing device of a stainless steel cabinet plate, which aims to solve the technical problem that four corners are concentrated in stress and folded or torn when patterns are punched on a stainless steel plate.

The forming and processing device for the stainless steel cabinet plate adopts the following technical scheme: the device comprises a stamping mechanism for providing stamping power, an expansion mechanism for flattening the stainless steel plate during stamping and a release mechanism for releasing stress of the stainless steel plate during pattern impacting, wherein the expansion mechanism is mounted on an upper die of the stamping mechanism, and the release mechanism is mounted inside the expansion mechanism;

the expansion mechanism comprises stress seats, the four stress seats are uniformly arranged at four vertex angles of the upper die, the stress seats are provided with sharp angles corresponding to the vertex angles of the upper die, the sharp angles of the stress seats face outwards, a pressure edge seat is arranged between every two stress seats, two end faces of the pressure edge seat are connected with the pressure edge seat through a connecting rod, the upper ends of the stress seats are connected to the upper die through matching seats, sliding blocks are symmetrically arranged on the end faces of two sides of each matching seat, sliding sleeves are sleeved outside the sliding blocks, the sliding sleeves are positioned on one sides of the sliding blocks to form limiting grooves, the limiting grooves are obliquely arranged, and pre-tightening springs for supporting the sliding blocks to reset are arranged in the grooves;

the release mechanism comprises a release piston rod, the release piston rod is installed on the inner side end face of the sliding sleeve, the release piston rod is far away from a release inner piston which is arranged inside the release oil cylinder in a penetrating mode at one end of the sliding sleeve, the release inner piston is connected inside the release oil cylinder in a sliding mode, the release oil cylinder is far away from a side end face of the release piston rod, a stroke adjusting oil cylinder is installed on the piston rod portion of the stroke adjusting oil cylinder in a penetrating mode, a stroke adjusting block is arranged inside the release oil cylinder in a penetrating mode, and a buffer spring is arranged between the release inner piston and the stroke adjusting block.

Furthermore, the connecting rod is fixedly connected to the stress seat, the connecting rod is rotatably connected with the edge pressing seat, when the four stress seats downwards extend out of a part relative to the upper die, the edge pressing seat can be driven to downwards extend out of a part through the connecting rod, so that the bottom surfaces of the edge pressing seat and the stress seat protrude out of a part relative to the bottom surface of the inner die, the edge pressing seat and the stress seat can be pressed on the edge of the stainless steel firstly in the pressing process, and the stainless steel plate can be rubbed and moved outwards during subsequent outward expansion, so that the stainless steel plate is flattened.

Further, the slider links firmly the cooperation seat, slider sliding connection the sliding sleeve, the slider is in the sliding sleeve inboard slides, and when stress seat and cooperation seat received the backpressure of bottom, the slider received the outside expansion of the inboard spacing groove of sliding sleeve to the slider received spacing upwards outside removal, thereby drives cooperation seat and stress seat and outwards expands, and the stress seat can drive the corrosion resistant plate of bottom and flatten.

Further, sliding sleeve sliding connection is in go up inside the mould, just sliding sleeve slip direction is lateral sliding, after the bottom expansion, goes up mould and lower mould contact inseparable, and the centre form continues to strike the shaping decorative pattern to corrosion resistant plate this moment, and then the corrosion resistant plate centre position receives the pressure production stress concentration of centre form, and four corners stress concentration is especially obvious, and the lift part of stress seat is fixed motionless this moment, and the lateral part receives the sliding sleeve and releases the drive of piston rod and inwards contracts, so the sliding sleeve passes through the slider and drives the cooperation seat and stress seat and inwards contract, release stress.

Furthermore, the release piston rod is fixedly connected with the sliding sleeve and the release inner piston, a release hole is formed in the release inner piston, oil is filled in the release oil cylinder, the release inner piston slides in the release oil cylinder, and the release inner piston is subjected to resistance of the oil and potential energy of the spring, has certain resistance while moving, transmits the resistance to the stress seat, and avoids release stress too fast.

Furthermore, the edge pressing seat and the bottom surface of the stress seat are fixedly connected with hard rubber with patterns, and the hard rubber is used for pressing down a fixed stainless steel plate, so that the clamping effect can be ensured, and the generation of convex points on the stainless steel plate can be avoided.

Further, the punching press mechanism includes the punching machine, install the mould on the punching machine impact piece, install the lower mould on the punching machine mounting, it corresponds to go up the mould the lower mould, go up the mould inboard and install the centre form to the stainless steel processing decorative pattern.

The invention has the beneficial effects that: according to the invention, the stainless steel plate is flattened by utilizing the outward expansion of the stress seat during pressing, so that the flattening effect and the subsequent forming effect of the stainless steel plate are ensured, and the concentrated stress at four corners of the stainless steel plate is released by utilizing the buffering kinetic energy inside the releasing mechanism during internal stress generation, so that the stainless steel plate is prevented from being bent and torn during and after processing due to stress concentration, and the forming effect and the safety of the stainless steel plate are improved.

Drawings

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

FIG. 1 is a schematic structural diagram of a stamping mechanism of an embodiment of a forming device for a stainless steel cabinet plate according to the present invention;

FIG. 2 is a schematic structural view of an expanding mechanism of an embodiment of a forming device for a stainless steel cabinet plate according to the present invention;

FIG. 3 is a schematic structural diagram illustrating a positional relationship between a blank holder and a stress holder of an embodiment of a device for forming a stainless steel cabinet panel according to the present invention;

FIG. 4 is a schematic structural diagram of a release mechanism of an embodiment of a forming device for a stainless steel cabinet panel according to the present invention;

FIG. 5 is a schematic diagram of an internal structure of a pressure regulating oil cylinder of an embodiment of the apparatus for forming and processing a stainless steel cabinet plate according to the present invention;

FIG. 6 is a schematic view of the fitting relationship between the fitting seat and the sliding block of the embodiment of the apparatus for forming and processing a stainless steel cabinet plate according to the present invention;

fig. 7 is a schematic structural view of a sliding block and sliding sleeve fit relationship in an embodiment of a forming device for a stainless steel cabinet plate according to the present invention.

In the figure: 1. a stamping mechanism; 2. an expansion mechanism; 3. a release mechanism; 11. a punch press; 12. an upper die; 13. a lower die; 14. an inner mold; 21. a side pressing seat; 22. a stress seat; 23. a connecting rod; 24. a mating seat; 25. a slider; 26. a sliding sleeve; 27. pre-tightening the spring; 31. releasing the piston rod; 32. releasing the oil cylinder; 33. a pressure regulating oil cylinder; 35. releasing the inner piston; 36. and a stroke adjusting block.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In an embodiment of the forming device for a stainless steel cabinet plate of the present invention, as shown in fig. 1 to 7, the following technical solution is adopted: the stamping mechanism 1 is used for providing stamping power, and further comprises an expansion mechanism 2 used for flattening the stainless steel plate during stamping and a release mechanism 3 used for releasing stress of the stainless steel plate during pattern impacting, wherein the expansion mechanism 2 is mounted on an upper die 12 of the stamping mechanism 1, and the release mechanism 3 is mounted inside the expansion mechanism 2;

as shown in fig. 2, the expanding mechanism 2 includes stress seats 22, the four stress seats 22 are uniformly installed at four vertex angles of the upper die 12, the stress seats 22 are provided with sharp corners corresponding to the vertex angles of the upper die 12, the sharp corners of the stress seats 22 face outward, a pressure edge seat 21 is installed between every two stress seats 22, two end faces of the pressure edge seat 21 are connected with the pressure edge seat 21 through a connecting rod 23, as shown in fig. 2 and 6, the upper end of the stress seat 22 is connected to the upper die 12 through a matching seat 24, two side end faces of the matching seat 24 are symmetrically provided with sliders 25, as shown in fig. 5, the outer part of the slider 25 is sleeved with a sliding sleeve 26, the sliding sleeve 26 is located at one side of the slider 25 and is formed with a limiting groove, the limiting groove is arranged in an inclined manner, and a pre-tightening spring 27 for supporting the slider 25 to reset is installed in the groove;

as shown in fig. 5, the release mechanism 3 includes a release piston rod 31, the release piston rod 31 is installed on the inner end surface of the sliding sleeve 26, one end of the release piston rod 31, which is far away from the sliding sleeve 26, is connected to a release inner piston 35 inside the release cylinder 32 in a penetrating manner, the release inner piston 35 is connected inside the release cylinder 32 in a sliding manner, one end surface of the release cylinder 32, which is far away from the release piston rod 31, is installed with a pressure regulating cylinder 33, the piston rod part of the pressure regulating cylinder 33 is connected inside the release cylinder 32 in a penetrating manner and is connected with a stroke regulating block 36, and a buffer spring is arranged between the release inner piston 35 and the stroke regulating block 36.

As shown in fig. 2 and 3, the connecting rod 23 is fixedly connected to the stress seat 22, the connecting rod 23 is rotatably connected to the edge-pressing seat 21, when the four stress seats 22 extend downwards relative to the upper die 12, the connecting rod 23 can drive the edge-pressing seat 21 to also extend downwards, so that the bottom surfaces of the edge-pressing seat 21 and the stress seat 22 protrude downwards relative to the bottom surface of the inner die 14, in the process of pressing downwards, the edge-pressing seat 21 and the stress seat 22 can be pressed on the edge of the stainless steel first, and the stainless steel plate can be twisted outwards during subsequent outward expansion, so that the stainless steel plate is flattened.

As shown in fig. 5, the sliding block 25 is fixedly connected with the matching seat 24, the sliding block 25 is slidably connected with the sliding sleeve 26, the sliding block 25 slides inside the sliding sleeve 26, when the stress seat 22 and the matching seat 24 receive the reverse pressure of the bottom, the sliding block 25 receives the outward expansion of the limiting groove inside the sliding sleeve 26, so that the sliding block 25 receives the limiting position and moves upward and outward, the matching seat 24 and the stress seat 22 are driven to expand outward, and the stress seat 22 can drive the stainless steel plate at the bottom to be flattened.

Sliding sleeve 26 sliding connection is inside last mould 12, and sliding sleeve 26 sliding direction is lateral sliding, after the bottom expansion, it is inseparable to go up mould 12 and lower mould 13 contact, centre form 14 continues to strike the shaping decorative pattern to the corrosion resistant plate this moment, then the corrosion resistant plate central point receives the pressure of centre form 14 to produce stress concentration, four corners stress concentration is particularly obvious, the lift part of stress seat 22 is fixed this moment, lateral part receives sliding sleeve 26 and the drive of release piston rod 31 to the internal contraction, so sliding sleeve 26 passes through slider 25 drive cooperation seat 24 and the internal contraction of stress seat 22, release stress.

The release piston rod 31 is fixedly connected with the sliding sleeve 26 and the release inner piston 35, a release hole is formed in the release inner piston 35, the release oil cylinder 32 is filled with oil, the release inner piston 35 slides in the release oil cylinder 32, and the release inner piston has certain resistance when moving due to resistance of the oil and potential energy of the spring, and the resistance is transmitted to the stress seat 22, so that the release stress is prevented from being too fast.

The bottom surfaces of the edge pressing seat 21 and the stress seat 22 are fixedly connected with hard rubber with patterns, and the stainless steel plate is pressed and fixed by the hard rubber, so that the clamping effect can be ensured, and the generation of salient points on the stainless steel plate can be avoided.

The punching mechanism 1 comprises a punching machine 11, an upper die 12 is arranged on an impact piece of the punching machine 11, a lower die 13 is arranged on a fixing piece of the punching machine 11, the upper die 12 corresponds to the lower die 13, and an inner die 14 for processing patterns on the stainless steel plate is arranged on the inner side of the upper die 12.

To sum up, as shown in fig. 5, after the stainless steel plate is laid on the lower die 13 and the reference is aligned, the pressure regulating cylinder 33 is adjusted according to the degree of the formed pattern, so that the pressure regulating cylinder 33 adjusts the position of the stroke adjusting block 36 inside the releasing cylinder 32, thereby adjusting the distance between the releasing inner piston 35 and the stroke adjusting block 36, adjusting the stroke of the releasing stress, further starting the punching machine 11, pressing the pressing edge seat 21 and the stress seat 22 on the lower die 12, during the pressing process, the pressing edge seat 21 and the stress seat 22 can be pressed on the edge of the stainless steel first, thereby twisting the stainless steel plate outwards when expanding outwards subsequently, thereby flattening the stainless steel plate, pressing the upper die 12, the pressing edge seat 21 and the stress seat 22 downwards continuously, fixing the outer side ring of the stainless steel plate, when the pressure is sufficient, the punching machine 11 continues to drive the inner die 14 to press downwards, the center of the stainless steel plate is patterned, and when the inner die 14 is formed, the stainless steel plate deforms according to the ductility thereof and generates internal stress, and according to the principle that the stress is concentrated at the corners in the stamping forming process, the stress concentration is generated by the pressure of the inner die 14 at the center of the stainless steel plate, the stress concentration at the four corners is particularly obvious, at this time, the lifting part of the stress seat 22 is fixed, the stress seat 22 receives the inward stress of the stainless steel plate, so that the stress seat 22 receives the inward force, the force is transmitted to the sliding sleeve 26 through the matching seat 24 and the sliding block 25, the release piston rod 31 is fixedly connected with the sliding sleeve 26, the release inner piston 35 receives the resistance of oil and a spring in the release oil cylinder 32, the release inner piston 35 still has resistance in the retraction process, the corresponding resistance is generated in the retraction process of the stress seat 22, and the release stress of the stainless steel plate is prevented from being too fast, meanwhile, the non-release is avoided, so that the stainless steel plate is not wrinkled or torn at the corner after forming.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a forming process device of stainless steel cabinet board, includes punching press mechanism (1) that is used for providing punching press power, its characterized in that: the stainless steel pattern stamping device is characterized by further comprising an expansion mechanism (2) used for flattening the stainless steel plate during stamping and a release mechanism (3) used for releasing stress of the stainless steel plate during pattern impacting, wherein the expansion mechanism (2) is mounted on an upper die (12) of the stamping mechanism (1), and the release mechanism (3) is mounted inside the expansion mechanism (2);

the expanding mechanism (2) comprises stress seats (22), the four stress seats (22) are uniformly arranged at four vertex angles of an upper die (12), the stress seats (22) are provided with sharp corners corresponding to the vertex angles of the upper die (12), the sharp corners of the stress seats (22) face outwards, a pressure edge seat (21) is arranged between every two stress seats (22), two end faces of the pressure edge seat (21) are connected with the stress seats (22) through connecting rods (23), the connecting rods (23) are fixedly connected onto the stress seats (22), the connecting rods (23) are rotatably connected with the pressure edge seat (21), the upper ends of the stress seats (22) are connected onto the upper die (12) through matching seats (24), sliding blocks (25) are symmetrically arranged on the end faces of two sides of the matching seats (24), sliding sleeves (26) are sleeved outside the sliding blocks (25), the sliding sleeves (26) are positioned on one side of the sliding blocks (25) to form limiting grooves, the limiting grooves are arranged in an inclined mode, and pre-tightening springs (27) for supporting the sliding blocks (25) to reset are arranged in the grooves;

the release mechanism (3) comprises a release piston rod (31), the release piston rod (31) is installed on the end face of the inner side of the sliding sleeve (26), one end, far away from the sliding sleeve (26), of the release piston rod (31) is connected with a release inner piston (35) inside the release oil cylinder (32) in a penetrating mode, the release inner piston (35) is connected inside the release oil cylinder (32) in a sliding mode, an adjusting oil cylinder (33) is installed on the end face of one side, far away from the release piston rod (31), of the release oil cylinder (32), the piston rod part of the adjusting oil cylinder (33) is connected inside the release oil cylinder (32) in a penetrating mode and is connected with a stroke adjusting block (36), and a buffer spring is arranged between the release inner piston (35) and the stroke adjusting block (36).

2. A forming apparatus for a stainless steel cabinet panel as claimed in claim 1, wherein: the sliding block (25) is fixedly connected with the matching seat (24), and the sliding block (25) is connected with the sliding sleeve (26) in a sliding manner.

3. A forming processing device of a stainless steel cabinet board according to claim 1, characterized in that: the sliding sleeve (26) is connected inside the upper die (12) in a sliding manner, and the sliding direction of the sliding sleeve (26) is transverse sliding.

4. A forming processing device of a stainless steel cabinet board according to claim 1, characterized in that: the release piston rod (31) is fixedly connected with the sliding sleeve (26) and the release inner piston (35), a release hole is formed in the release inner piston (35), and oil is filled in the release oil cylinder (32).

5. A forming processing device of a stainless steel cabinet board according to claim 1, characterized in that: the bottom surfaces of the edge pressing seat (21) and the stress seat (22) are fixedly connected with hard rubber with patterns.

6. A forming processing device of a stainless steel cabinet board according to claim 1, characterized in that: the stamping mechanism (1) comprises a stamping machine (11), an upper die (12) is installed on a stamping part of the stamping machine (11), a lower die (13) is installed on a fixing part of the stamping machine (11), the upper die (12) corresponds to the lower die (13), and an inner die (14) for processing patterns on the stainless steel plate is installed on the inner side of the upper die (12).