CN115301832A

CN115301832A - Plate stamping profiling mold

Info

Publication number: CN115301832A
Application number: CN202211243314.5A
Authority: CN
Inventors: 王洁明
Original assignee: Jiangsu Mingfeng Food Co ltd
Current assignee: Jiangsu Mingfeng Food Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2022-11-08
Anticipated expiration: 2042-10-11
Also published as: CN115301832B

Abstract

The invention relates to the field of metal stamping, in particular to a sheet stamping profiling die which comprises a die set frame, an upper die set, a lower die set, a profiling device and a driving device, wherein the upper die set and the lower die set are arranged on the die set frame at intervals up and down and can be driven by the driving device to mutually approach or separate; the upper module and the lower module respectively comprise a plurality of unit dies which are nested inside and outside in a sliding manner and can be locked with each other, and the unit dies of the upper module and the lower module cannot be separated from each other along the axial direction after being nested in the sliding manner; the profiling device is arranged on the module frame profiling device and used for adjusting the relative height between each unit module, so that the lower end face of the upper module and the upper end face of the lower module form spherical surfaces with different sizes and specifications. The upper module and the lower module can be matched with spherical surfaces of different specifications through the profile plates, so that the problem that the mold needs to be replaced when the spherical structures of different sizes are punched each time is solved, the cost is saved, and the intelligence of equipment is improved.

Description

Sheet stamping profiling mold

Technical Field

The invention relates to the field of metal stamping, in particular to a sheet stamping profiling mold.

Background

The stamping process is a production technology for obtaining product parts with certain shape, size and performance by directly applying deformation force to a plate in a die by means of the power of conventional or special stamping equipment and performing deformation, and the use of the die in the stamping production process is very important. At present, the three-dimensional curved surface forming of the plate is mainly realized by adopting an integral die or a multi-point digital die, however, when the integral die is adopted, spherical parts with different curvature radiuses need to be replaced by different dies, the universality is not realized, meanwhile, the manufacturing period of the die is long, the cost is high, and when small batches of spherical parts are produced, the problems of overhigh production cost and poor economy can be caused by frequently replacing the die.

Disclosure of Invention

According to at least one defect of the prior art, the invention provides a sheet material stamping profiling mold, which aims to solve the problem of poor universality of the existing stamping mold.

The invention relates to a sheet stamping profiling mold, which adopts the following technical scheme: the device comprises a module frame, an upper module, a lower module, a profiling device and a driving device, wherein the module frame is arranged on the ground or other operating platforms, and the upper module and the lower module are arranged on the module frame at intervals up and down and can be driven by the driving device to approach or separate from each other; the upper module and the lower module respectively comprise a plurality of unit dies which are nested inside and outside in a sliding manner and can be locked with each other, and the unit dies of the upper module and the lower module cannot be separated from each other along the axial direction after being nested in the sliding manner;

the profiling device is arranged on the module frame and used for adjusting the relative height between the unit modules so as to enable the lower end face of the upper module and the upper end face of the lower module to form spherical surfaces with different sizes.

Optionally, the profiling device comprises a profiling plate, an adjusting rod, a connecting ring and a supporting rod; the two adjusting rods are hinged with the connecting ring after the upper ends of the two adjusting rods are hinged with each other; the profiling plate is made of an elastic sheet, the middle part of the profiling plate is fixedly connected with the module frame, two ends of the profiling plate are respectively hinged with the lower end of one adjusting rod, the adjusting rods are of telescopic structures, and the initial adjusting rods enable the profiling plate to form an arc-shaped structure;

each unit die is provided with a positioning rod, the corresponding unit die is provided with an avoiding groove for the movement of the positioning rod, the positioning rod of the unit die of the upper die set can be abutted against the upper surface of the profiling plate, and the positioning rod of the unit die of the lower die set can be abutted against the lower surface of the profiling plate;

the equal interval in both sides that lie in the bracing piece on the profile plate is provided with a plurality of regulation poles, adjusts the first telescopic link and the second telescopic link that the pole includes slip cartridge, and is articulated each other through first synchronizing bar between two adjacent first telescopic links, and is articulated each other through the second synchronizing bar between two adjacent second telescopic links, connects the cartridge that slides from top to bottom between first synchronizing bar and the second synchronizing bar of the same group bracing piece.

Optionally, the support rod is provided with external threads, the support rod is in threaded connection with an adjusting nut, and the lower end of the adjusting nut is rotatably connected with the connecting ring.

Optionally, in each unit mold of the upper mold set and the lower mold set, except for the outermost unit mold, the outer peripheral wall surfaces of the other unit molds are provided with protrusions, except for the innermost unit mold, the inner peripheral wall surfaces of the other unit molds are provided with sliding grooves, the protrusions are slidably arranged in the sliding grooves, and the sliding grooves are not communicated up and down; in each unit die of the lower die set, the corresponding bulge is connected with the lower limiting surface of the sliding groove through the elastic piece.

Optionally, except for the innermost unit module in the upper module, the rest unit modules are provided with avoidance grooves, and the upper ends of the avoidance grooves of the upper module are open; and an avoiding groove is formed in the outermost unit mold in the lower mold set.

Optionally, bolts are arranged on the rest of the upper module and the lower module except for the innermost unit module.

Optionally, the driving device comprises a motor and a gear connected with an output shaft of the motor, a track groove is formed in the module frame, teeth are arranged on the upper and lower limiting surfaces of the track groove, and the gear is clamped in the track groove and meshed with the teeth of the track groove; two ends of the innermost unit module of the upper module and two ends of the outermost unit module of the lower module are hinged with hinged plates, and the two hinged plates on the same side of the upper module and the lower module are hinged with the gear after being hinged with each other.

Optionally, a positioning rod is arranged on the innermost unit mold of the upper mold set and the lower mold set, two positioning rods are arranged on the other unit molds, and the two positioning rods are symmetrically arranged relative to the positioning rod of the innermost unit mold.

The invention has the beneficial effects that: the upper module and the lower module of the sheet stamping profiling die are formed by a plurality of unit dies which are movably nested inside and outside and can be locked with each other, and meanwhile, the relative height between each unit die of the upper module and each unit die of the lower module is adjusted by the profiling device, so that the lower end surface of the upper module and the upper end surface of the lower module form spherical surfaces which meet the requirements and have different sizes, the upper module and the lower module are profiled by the profiling device, spherical plates with different curvatures can be pressed by the same set of module, the problem that the dies need to be replaced when spherical structures with different sizes are stamped each time is solved, the cost is saved, and the intelligence of the device is improved.

Drawings

In order to illustrate embodiments of the invention or prior art solutions more clearly, the drawings that are needed in the description of embodiments or prior art will be briefly described below, it being apparent that the drawings in the description below are only some embodiments of the invention and that other drawings may be derived by those skilled in the art without inventive faculty, and that the drawings are not necessarily drawn to scale.

FIG. 1 is a schematic view of the overall structure of a sheet material stamping and profiling mold according to the present invention;

FIG. 2 is a top view of a sheet stamping profiling die of the present invention;

FIG. 3 isbase:Sub>A sectional view taken along line A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 5 is a schematic view of the construction of a profiling device of the present invention;

FIG. 6 is a first state view of the profiling device of the present invention;

FIG. 7 is an initial state diagram of the upper and lower die sets of the present invention;

FIG. 8 is an exploded view of the upper and lower die sets of the present invention;

FIG. 9 is a second state view of the copying device of the present invention;

FIG. 10 is a view of the profile of FIG. 3;

FIG. 11 is a state view of the profile of FIG. 4;

FIG. 12 is a view showing the upper die set and the lower die set after copying according to the present invention.

In the figure: 100. a module frame; 200. a drive device; 210. a motor; 220. a hinge plate; 230. a gear; 300. a profiling device; 310. adjusting the nut; 320. a support bar; 330. a profile plate; 340. a connecting ring; 350. a first synchronization lever; 360. a second synchronizing lever; 370. a first telescopic rod; 380. a second telescopic rod; 390. adjusting a rod; 400. an upper module; 410. a first down-pressing mold; 420. a second pressing die; 430. a third pressing die; 440. a fourth pressing die; 450. fifth, pressing the die; 460. positioning a rod; 470. a bolt; 500. a lower module; 510. a first upper die; 520. a second upper pressing die; 530. a third upper pressing die; 540. a fourth upper pressing die; 550. a fifth upper die; 560. a protrusion; 570. a chute; 580. avoiding the groove.

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 any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1 to 12, a sheet material stamping and profiling die of the present invention includes a die set frame 100, an upper die set 400, a lower die set 500, a profiling device 300, and a driving device 200; the module frame 100 is arranged on the ground or other operation platforms, the upper module 400 and the lower module 500 are arranged on the module frame 100 at intervals up and down and can be close to or far away from each other under the driving of the driving device 200; the upper die set 400 and the lower die set 500 both comprise a plurality of unit dies which are nested inside and outside in a sliding manner and can be locked with each other, and the unit dies of the upper die set 400 and the lower die set 500 cannot be separated from each other in the axial direction after being nested in the sliding manner. The copying device 300 is disposed on the mold set frame 100 and is used to adjust the relative height between the respective unit molds, so that the lower end surface of the upper mold set 400 and the upper end surface of the lower mold set 500 form spherical surfaces with different dimensions. After the shapes of the upper die set 400 and the lower die set 500 are matched, all the unit dies are locked, and the upper die set 400 and the lower die set 500 are matched during stamping, so that the plate can be stamped into a spherical shape meeting the requirements.

As shown in FIGS. 5 and 6, the profile device 300 includes a profile plate 330, an adjustment lever 390, a connection ring 340, and a support bar 320. The supporting rod 320 is vertically arranged and fixedly connected with the center of the profile plate 330, the connecting ring 340 is sleeved on the supporting rod 320 in a vertically sliding manner, two adjusting rods 390 are arranged, the upper ends of the two adjusting rods 390 are hinged with the connecting ring 340 after being hinged with each other, the profile plate 330 is made of elastic sheets, the middle of the profile plate 330 is fixedly connected with the module frame 100, two ends of the profile plate 330 are hinged with the lower end of one of the adjusting rods 390, the adjusting rods 390 are of a telescopic structure, and the initial adjusting rod 390 enables the profile plate 330 to form an arc-shaped structure.

All be provided with locating lever 460 on every unit mould, be provided with on the corresponding unit mould and be used for the activity of locating lever 460 to dodge groove 580, locating lever 460 on each unit mould of last module 400 can contradict with the upper surface of dummy plate 330, and locating lever 460 on each unit mould of lower module 500 can contradict with the lower surface of dummy plate 330 to this makes the lower terminal surface of last module 400 form the spherical surface of downwards hunch-up, the up end of lower module 500 forms the spherical surface of undercut. When the connecting ring 340 moves up and down along the supporting rod 320, the supporting rod 320 is driven to stretch, the angle between the two supporting rods 320 is changed, the curvature radius of the profile plate 330 is changed, the upper die set 400 and the lower die set 500 can be matched with spherical surfaces of different specifications through the profile plate 330, the need of replacing dies when spherical structures of different sizes are punched at each time is avoided, and the cost is saved.

In order to ensure the stress balance of the device, the unit molds of the innermost layer of the upper mold unit 400 and the lower mold unit 500 are respectively provided with one positioning rod 460, the rest unit molds are respectively provided with two positioning rods 460, the two positioning rods 460 are symmetrically arranged relative to the positioning rods 460 of the unit mold of the innermost layer during installation, and the corresponding avoiding grooves 580 are arranged in a matching manner according to the number of the positioning rods 460.

In a further embodiment, the support rod 320 is provided with an external thread, the support rod 320 is threadedly coupled with an adjusting nut 310, and the lower end of the adjusting nut 310 is rotatably coupled with the coupling ring 340. The radius of curvature of the profile plate 330 can be adjusted by rotating the adjustment nut 310 such that the adjustment nut 310 moves up and down along the support rod 320 and the connection ring 340.

In a further embodiment, a plurality of adjusting rods 390 are disposed on the profile plate 330 at intervals on both sides of the supporting rod 320, each adjusting rod 390 includes a first telescopic rod 370 and a second telescopic rod 380 which are slidably inserted, the first telescopic rod 370 is hinged to the profile plate 330, the second telescopic rod 380 is hinged to the connecting ring 340, two adjacent first telescopic rods 370 are hinged to each other through a first synchronizing rod 350, two adjacent second telescopic rods 380 are hinged to each other through a second synchronizing rod 360, and the first synchronizing rod 350 and the second synchronizing rod 360 which are correspondingly disposed (connected to the same group of supporting rods 320) are slidably inserted up and down. Stress points when the profile plate 330 deforms can be increased by arranging the plurality of adjusting rods 390, and meanwhile, the telescopic amount of the plurality of adjusting rods 390 is kept consistent by arranging the first synchronizing rod 350 and the second synchronizing rod 360, so that the profile plate 330 is closer to an arc surface when being changed, and the stamping precision is improved.

In a further embodiment, as shown in fig. 3, 8 and 10, in each of the unit molds of the upper mold set 400 and the lower mold set 500, except for the outermost unit mold, the outer peripheral wall surfaces of the other unit molds are provided with the protrusions 560, except for the innermost unit mold, the inner peripheral wall surfaces of the other unit molds are provided with the sliding grooves 570, the protrusions 560 are slidably disposed in the sliding grooves 570, the sliding grooves 570 do not penetrate up and down, and in each of the unit molds of the lower mold set 500, the corresponding protrusions 560 are connected with the lower limiting surface of the sliding grooves 570 by an elastic member, so that each of the unit molds of the lower mold set 500 is maintained at an initial position. Through the cooperation of the protrusions 560 and the sliding grooves 570, the unit molds of the upper mold set 400 and the lower mold set 500 can slide relative to each other and finally keep the connection from being separated; meanwhile, when the innermost unit mold of the upper mold unit 400 moves downward, the rest of unit molds simultaneously move downward under the action of gravity and contact the cam plate 330, and in the process of upward movement of the outermost unit mold of the lower mold unit 500, the rest of unit molds are driven by the elastic member to move upward and contact the cam plate 330, so that the cam is completed.

In a further embodiment, except for the innermost unit module, the upper module 400 is provided with a avoiding groove 580, and the upper ends of all the avoiding grooves 580 are open to facilitate the movement of the corresponding positioning rod 460. The unit mold of the outermost layer in the lower module 500 is provided with an escape groove 580 for facilitating the movement of the corresponding positioning rod 460.

In a further embodiment, bolts 470 are disposed on the remaining unit modules except the innermost unit module in the upper module 400 and the lower module 500, and the unit modules can be fastened and connected layer by layer after the bolts 470 are locked, so that the upper module 400 or the lower module 500 is fixed in shape.

In a further embodiment, the driving device 200 includes a motor 210 and a gear 230 connected to an output shaft of the motor 210, the module frame 100 is provided with a track groove, the upper and lower limiting surfaces of the track groove are provided with teeth, and the gear 230 is clamped in the track groove and engaged with the teeth of the track groove.

The two ends of the innermost unit module of the upper module 400 and the two ends of the outermost unit module of the lower module 500 are hinged to the hinge plates 220, the two hinge plates 220 on the same side of the upper module 400 and the lower module 500 are hinged to each other and then hinged to the gear 230, and the gear 230 moves along the track and drives the upper module 400 and the lower module 500 to approach or separate from each other through the hinge plates 220.

In the preferred embodiment of the present invention, five unit molds are respectively provided in the upper and

lower mold groups

400 and 500, the unit molds of the upper mold group 400 are sequentially named as a first lower mold 410, a second lower mold 420, a third lower mold 430, a fourth lower mold 440, and a fifth lower mold 450 from inside to outside, and the unit molds of the lower mold group 500 are sequentially named as a first upper mold 510, a second upper mold 520, a third upper mold 530, a fourth upper mold 540, and a fifth upper mold 550 from inside to outside. As shown in fig. 3, 4 and 7, in an initial state, the positioning rods 460 of the first lower pressing mold 410, the second lower pressing mold 420, the third lower pressing mold 430, the fourth lower pressing mold 440 and the fifth lower pressing mold 450 are all at the same height and located at the top end of the corresponding avoidance groove 580, and the positioning rods 460 of the first upper pressing mold 510, the second upper pressing mold 520, the third upper pressing mold 530, the fourth upper pressing mold 540 and the fifth upper pressing mold 550 are all at the same height and located at the middle of the corresponding avoidance groove 580.

When the device is used, firstly, the height of the adjusting nut 310 is adjusted according to spherical parameters to be processed, the adjusting nut 310 moves up and down to push the connecting ring 340 to move, the connecting ring 340 moves up and down to push the first telescopic rod 370 and the second telescopic rod 380 to contract or expand, meanwhile, the first synchronous rod 350 and the second synchronous rod 360 slide on the first telescopic rod 370 and the second telescopic rod 380 to ensure that a plurality of adjusting rods 390 contract and expand in the same size, and further ensure that the profiling plate 330 is expanded to be an approximate cambered surface.

After the shape of the cam plate 330 is adjusted, the motor 210 is started to drive the upper die set 400 and the lower die set 500 to approach to the middle for profiling, in the process, the positioning rod 460 of the unit die (the fifth lower pressing die 450) at the outermost layer of the upper die set 400 is firstly contacted with the outer edge of the cam plate 330, and then the positioning rods 460 on each unit die of the upper die set 400 are sequentially propped against the upper end surface of the cam plate 330 from outside to inside; the positioning rods 460 of the unit mold (first upper pressing mold 510) in the innermost layer of the lower mold set 500 first contact the center of the cam plate 330, and then the positioning rods 460 of the unit molds of the lower mold set 500 sequentially abut against the lower end surface of the cam plate 330 from inside to outside, so that the lower end surface of the upper mold set 400 and the upper end surface of the lower mold set 500 form a curved surface shape to be pressed (as shown in fig. 10, 11 and 12), and then all the bolts 470 are tightened to fix the upper mold set 400 and the lower mold set 500. And then, the motor 210 is reversely rotated and reset, a workpiece is placed between the upper module 400 and the lower module 500, and the motor 210 is started again to drive the upper module 400 and the lower module 500 to approach each other so as to press the workpiece.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.

Claims

1. The utility model provides a panel punching press profile modeling mould which characterized in that: the device comprises a module frame, an upper module, a lower module, a profiling device and a driving device, wherein the module frame is arranged on the ground or other operating platforms, and the upper module and the lower module are arranged on the module frame at intervals up and down and can be driven by the driving device to be close to or far away from each other; the upper module and the lower module respectively comprise a plurality of unit molds which are nested inside and outside in a sliding manner and can be locked with each other, and the unit molds of the upper module and the lower module cannot be separated from each other along the axial direction after being nested in the sliding manner;

the profiling device is arranged on the module frame and used for adjusting the relative height between each unit module so as to enable the lower end surface of the upper module and the upper end surface of the lower module to form spherical surfaces with different sizes and specifications;

the profiling device comprises a profiling plate, an adjusting rod, a connecting ring and a supporting rod; the two adjusting rods are hinged with the connecting ring after the upper ends of the two adjusting rods are hinged with each other; the profiling plate is made of an elastic sheet, the middle part of the profiling plate is fixedly connected with the module frame, two ends of the profiling plate are respectively hinged with the lower end of one adjusting rod, the adjusting rods are of telescopic structures, and the initial adjusting rods enable the profiling plate to form an arc-shaped structure;

all be provided with the locating lever on every unit mould, be provided with the groove of dodging that is used for the locating lever activity on the corresponding unit mould, the locating lever of the unit mould of going up the module can be contradicted with the upper surface of dummy plate, and the locating lever of the unit mould of lower module can be contradicted with the lower surface of dummy plate.

2. A sheet stamping profiling die as claimed in claim 1, wherein: the equal interval in both sides that lie in the bracing piece on the profile plate is provided with a plurality of regulation poles, adjusts the pole and includes the first telescopic link and the second telescopic link of slip cartridge, and is articulated each other through first synchronizing bar between two adjacent first telescopic links, and is articulated each other through the second synchronizing bar between two adjacent second telescopic links, connects the cartridge that slides from top to bottom between first synchronizing bar and the second synchronizing bar of the same group bracing piece.

3. A sheet stamping profiling die as claimed in claim 1, wherein: the supporting rod is provided with external threads, the supporting rod is in threaded connection with an adjusting nut, and the lower end of the adjusting nut is rotatably connected with the connecting ring.

4. A sheet stamping profiling die as claimed in claim 1, wherein: in each unit mould of the upper mould set and the lower mould set, except the outermost unit mould, the outer peripheral wall surfaces of the other unit moulds are provided with bulges, except the innermost unit mould, the inner peripheral wall surfaces of the other unit moulds are provided with sliding grooves, the bulges are arranged in the sliding grooves in a sliding manner, and the sliding grooves are not communicated up and down; in each unit die of the lower die set, the corresponding bulge is connected with the lower limiting surface of the sliding groove through the elastic piece.

5. The sheet stamping profiling die of claim 1, wherein: except the innermost unit module in the upper module, the rest unit modules are provided with avoidance grooves, and the upper ends of the avoidance grooves of the upper module are open; and an avoiding groove is formed in the outermost unit die in the lower die set.

6. The sheet stamping profiling die of claim 1, wherein: except the innermost unit module, the rest unit modules are provided with bolts.

7. A sheet stamping profiling die as claimed in claim 1, wherein: the driving device comprises a motor and a gear connected with an output shaft of the motor, a track groove is formed in the module frame, teeth are arranged on the upper limiting surface and the lower limiting surface of the track groove, and the gear is clamped in the track groove and meshed with the teeth of the track groove; two ends of the innermost unit module of the upper module and two ends of the outermost unit module of the lower module are hinged with hinged plates, and the two hinged plates on the same side of the upper module and the lower module are hinged with the gear after being hinged with each other.

8. The sheet stamping profiling die of claim 1, wherein: the unit dies of the innermost layers of the upper die set and the lower die set are provided with one locating rod, the other unit dies are provided with two locating rods, and the two locating rods are symmetrically arranged relative to the locating rod of the unit die of the innermost layer.