A stamping die for sheet metal stamping

Abstract

The invention discloses a stamping die for sheet metal stamping, belongs to the technical field of die, and solves the problem that the fasteners in the existing stamping die cannot fix lower die plates of different specifications, cannot support and protect the lower die plates, and the fasteners can easily damage the lower die plates when fixing the lower die plates. The invention comprises: a die main body, wherein the die main body comprises a support base, a main body protective cover and a driving support seat; a die assembly, wherein the die assembly comprises an upper die seat, a lower die seat and a die supporting seat; a die fixing mechanism, wherein the die fixing mechanism is used to fix lower die seats of different specifications; in the invention, a die fixing mechanism is provided, wherein the die fixing mechanism consists of a driving motor, a fixed transmission part and a die clamping seat, and the fixed transmission part is driven by the driving motor to adjust the position of the die clamping seat, so that the die clamping seat can adapt to different types of lower die seats, thereby improving the stamping success rate and stamping quality of the workpiece.

Description

Technical Field

[0001] The invention belongs to the technical field of molds, and in particular relates to a stamping mold for sheet metal stamping. Background Art

[0002] At present, stamping is a forming processing method that uses a press and a die to apply external force to plates, strips, tubes and profiles at room temperature to make them plastically deform or separate, thereby obtaining workpieces of desired shape and size. Sheet metal stamping dies are a kind of process equipment used to plastically deform or separate metal materials at room temperature to obtain parts of desired shape and size. Sheet metal stamping dies are widely used in the automotive, electronics, home appliances, aviation and other industries, and are particularly suitable for mass production of metal parts of specific shapes.

[0003] Chinese patent CN215237281U discloses a sheet metal stamping die, which includes a base, a mounting seat fixedly connected to one side of the upper surface of the base, a lower template movably connected inside the mounting seat, a mounting hole opened on one side of the outer surface of the mounting seat, a fastener movably connected inside the mounting hole; however, when the fastener in the stamping die is fixed to the lower template, it is impossible to fix lower templates of different specifications, nor to support and protect the lower template, and the fastener can easily damage the lower template. In view of the above problems, we propose a stamping die for sheet metal stamping. Summary of the invention

[0004] The purpose of the present invention is to address the deficiencies in the prior art and provide a stamping die for sheet metal stamping, which solves the problem that the fasteners in the existing stamping die cannot fix lower templates of different specifications when fixing the lower template, cannot support and protect the lower template, and the fasteners can easily damage the lower template.

[0005] The fasteners in the existing stamping die cannot fix the lower templates of different specifications when fixing the lower template, nor can they support and protect the lower template, and the fasteners can easily damage the lower template. In view of the above problems, we propose a stamping die for sheet metal stamping. In short, the stamping die includes a die body, a die assembly, and a die fixing mechanism. The die body includes a support base, a main body protective cover, and a drive support seat. The die assembly includes an upper die seat, a lower die seat, and a die support seat. The die support seat is provided with a die seat guide groove. The die fixing mechanism includes a drive motor, a fixed transmission part connected to the drive motor, and at least one set of die clamping seats. During operation, according to the stamping requirements, different types of lower die seats are placed in the die support seat, and then the drive motor is turned on. The drive motor starts to drive the fixed transmission part to move, and the fixed transmission part drives the die clamping seat to clamp and fix the lower die seat, and then the workpiece to be stamped is placed on the lower die seat, and the stamping drive part is turned on. The stamping drive part drives the upper die seat to stamp the workpiece to complete the stamping work. In the present invention, a mold fixing mechanism is provided, and the mold fixing mechanism is composed of a driving motor, a fixed transmission part and a mold clamping seat. The fixed transmission part is driven by the driving motor to adjust the position of the mold clamping seat, so that the mold clamping seat can adapt to different types of lower mold seats, while avoiding the falling off of the lower mold seat, thereby improving the stamping success rate and stamping quality of the workpiece.

[0006] The present invention is implemented in this way: a stamping die for sheet metal stamping, the stamping die for sheet metal stamping comprising:

[0007] A mold body, the mold body comprising a support base, a main body protective cover and a drive support seat;

[0008] A mold assembly, the mold assembly includes an upper mold base, a lower mold base and a mold support base, the mold support base is provided with a mold base guide groove, the lower mold base is installed in the mold support base, the mold support base is fixedly connected to the main body protective cover, the upper mold base is fixedly connected to a stamping drive unit, and the stamping drive unit is installed on the drive support base;

[0009] A mold fixing mechanism, the mold fixing mechanism is arranged on the support base, and the mold fixing mechanism is used to fix lower mold bases of different specifications;

[0010] Wherein, the mold fixing mechanism comprises:

[0011] A driving motor, wherein the driving motor is fixedly mounted on the supporting base;

[0012] A fixed transmission part connected to the drive motor, the fixed transmission part is used to transmit the power of the drive motor;

[0013] At least one set of mold clamping seats, the mold clamping seats are slidably installed in the mold base guide grooves, and the mold clamping seats are used to clamp and fix lower mold bases of different specifications.

[0014] Preferably, the stamping drive unit comprises:

[0015] A stamping cylinder, wherein the stamping cylinder is fixedly mounted on the driving support seat, and a piston rod of the stamping cylinder is fixedly connected to an upper die seat;

[0016] A stamping protective cover is fixedly mounted on a driving support seat and is slidably connected to an upper die seat. The stamping protective cover is used to guide and limit the upper die seat and protect the upper die seat.

[0017] Preferably, the mold assembly further comprises:

[0018] At least one set of punching heads, the punching heads are fixedly installed in the upper die seat, and the punching heads are used to perform punching operations on the workpiece;

[0019] At least one set of punching holes, wherein the punching holes are provided in the lower die seat;

[0020] A stamping guide seat is fixedly installed in the mold supporting seat, and the stamping guide seat is slidably connected to the upper mold seat.

[0021] Preferably, the fixed transmission part comprises:

[0022] A first gear, wherein the first gear is disposed on one side of the driving motor, and one side of the first gear is fixedly connected to a driving shaft of the driving motor;

[0023] At least one set of first racks, wherein the first racks are slidably mounted on the support base, and the first racks are meshed with the first gear for transmission;

[0024] A fixed transmission rod is fixedly connected to the first rack, and the other end of the fixed transmission rod is fixedly connected to the mold clamping seat.

[0025] Preferably, the mold fixing mechanism further includes:

[0026] The anti-demolding component is arranged on one side of the mold supporting seat, and the anti-demolding component is connected to the fixed transmission rod. The anti-demolding component is used to assist in fixing the lower mold seat and prevent the lower mold seat from falling off.

[0027] Preferably, the anti-stripping component comprises:

[0028] An anti-mold release linkage seat, wherein the anti-mold release linkage seat is hollow inside, and an anti-dropping driving block is slidably arranged inside the anti-mold release linkage seat, and the anti-mold release driving block is fixedly mounted on the fixed transmission rod;

[0029] An anti-stripping linkage shaft, wherein the anti-stripping linkage shaft is fixedly mounted on one end of the anti-stripping linkage seat, and the anti-stripping linkage shaft is rotationally connected to the support base;

[0030] The second gear is fixedly sleeved on the anti-stripping linkage shaft, and one side of the second gear is fixedly connected with a reset torsion spring, the reset torsion spring is embedded in a torsion spring mounting seat, the torsion spring mounting seat is fixedly mounted on a supporting base, and one side of the torsion spring mounting seat is also rotationally connected to the second gear.

[0031] Preferably, the anti-stripping component further comprises:

[0032] A second rack, the second rack is arranged on one side of the second gear, the second rack is meshed with the second gear for transmission, the second rack is slidably sleeved on the rack guide rod, and the rack guide rod is fixedly arranged on the support base;

[0033] The anti-demolding support portion is fixedly connected to the second rack and is used to support the lower mold base.

[0034] Preferably, the anti-stripping support portion comprises:

[0035] An anti-stripping support seat, wherein the anti-stripping support seat is fixedly connected to an end portion of the second rack;

[0036] at least one set of anti-stripping protection rollers, which are detachably mounted on the anti-stripping support seat, and are used to support the lower die seat and limit the lower die seat, and

[0037] An auxiliary demoulding component is arranged on the anti-demolding support seat, and the auxiliary demoulding component is used to assist the workpiece in demoulding operation.

[0038] Preferably, the auxiliary demoulding component comprises:

[0039] An exhaust fan, the exhaust fan is fixedly installed on one side of the anti-stripping support seat;

[0040] An exhaust seat, the exhaust seat is arranged on the anti-stripping support seat, and the exhaust seat is connected to the exhaust fan;

[0041] At least one set of drainage grooves is provided in the exhaust seat, and the drainage grooves are used for draining hot air.

[0042] Preferably, the auxiliary demoulding component further comprises:

[0043] a hot air spoiler seat, the hot air spoiler seat is fixedly installed in the guide groove, and the hot air spoiler seat is used to spoil the hot air, and

[0044] The auxiliary refrigeration component is detachably installed in the drainage groove, and is used for assisting in cooling the hot air.

[0045] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0046] In the present invention, a mold fixing mechanism is provided, and the mold fixing mechanism is composed of a driving motor, a fixed transmission part and a mold clamping seat. The fixed transmission part is driven by the driving motor to adjust the position of the mold clamping seat, so that the mold clamping seat can adapt to different types of lower mold seats, while avoiding the falling off of the lower mold seat, thereby improving the stamping success rate and stamping quality of the workpiece.

[0047] In the present invention, an anti-demolding component is provided, and the movement of the anti-demolding component is linked with the fixed transmission part, so that the lower die base can be firmly supported at the bottom. At the same time, after the lower die base is fixed, the linkage between the anti-demolding component and the fixed transmission part can achieve anti-falling locking of the lower die base when the lower die base is loose, thereby ensuring the smooth progress of the stamping work.

[0048] In the present invention, an auxiliary die-removal component is provided, which can realize rapid cooling of the lower die base and the workpiece after stamping is completed, thereby avoiding the problem of overheating of the lower die base causing heat damage to the workpiece or inconvenience in demolding the workpiece, and indirectly improving the stamping quality of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] Figure 1 It is a schematic structural diagram of a stamping die for sheet metal stamping provided by the present invention.

[0050] Figure 2 It is a schematic diagram of the three-dimensional structure of a stamping die for sheet metal stamping provided by the present invention.

[0051] Figure 3 It is a front view of the stamping die for sheet metal stamping provided by the present invention.

[0052] Figure 4 It is a top view of the stamping die for sheet metal stamping provided by the present invention.

[0053] Figure 5 It is a structural schematic diagram of the mold fixing mechanism provided by the present invention.

[0054] Figure 6 It is an axonometric diagram of the mold fixing mechanism provided by the present invention.

[0055] Figure 7 It is a front view of the mold fixing mechanism provided by the present invention.

[0056] Figure 8 It is a side view of the mold fixing mechanism provided by the present invention.

[0057] Fig. 9 It is a structural schematic diagram of the anti-stripping component provided by the present invention.

[0058] Fig.10 It is a schematic diagram of the three-dimensional structure of the anti-mold release component provided by the present invention.

[0059] Fig.11 It is a front view of the anti-stripping component provided by the present invention.

[0060] Fig.12 It is a side view of the anti-stripping component provided by the present invention.

[0061] Fig.13 It is a structural schematic diagram of the auxiliary demoulding component provided by the present invention.

[0062] Fig.14 It is a top view of the auxiliary demoulding component provided by the present invention.

[0063] Fig.15 yes Fig.14 AA section view.

[0064] In the figure: 1-die body, 11-support base, 12-body protective cover, 13-drive support seat, 2-stamping drive part, 21-stamping cylinder, 22-stamping protective cover, 3-die assembly, 31-upper die seat, 311-stamping head, 32-lower die seat, 321-stamping hole, 33-die support seat, 331-die seat guide groove, 332-stamping guide seat, 4-die fixing mechanism, 41-drive motor, 42-fixed transmission part, 421-first gear, 422-first rack, 423-fixed transmission rod , 43-mold clamping seat, 44-anti-mold release assembly, 441-anti-mold release linkage seat, 442-anti-falling driving block, 443-anti-mold release linkage shaft, 444-second gear, 445-reset torsion spring, 446-torsion spring mounting seat, 447-second rack, 448-rack guide rod, 5-anti-mold release support part, 51-anti-mold release support seat, 52-anti-falling protection roller, 53-auxiliary demoulding assembly, 531-exhaust fan, 532-exhaust seat, 533-drainage trough, 534-auxiliary refrigeration parts, 535-hot air spoiler seat. DETAILED DESCRIPTION

[0065] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0066] The fasteners in the existing stamping die cannot fix lower templates of different specifications, nor can they support and protect the lower template, and the fasteners can easily damage the lower template. In view of the above problems, we propose a stamping die for sheet metal stamping. In short, the stamping die includes a die body 1, a die assembly 3, and a die fixing mechanism 4. The die body 1 includes a support base 11, a main body protective cover 12 and a driving support seat 13. The die assembly 3 includes an upper die seat 31, a lower die seat 32 and a die supporting seat 33. A die seat guide groove 331 is provided in the die supporting seat 33. The die fixing mechanism 4 includes a driving motor 41, a fixed transmission part 42 connected to the driving motor 41, and at least one set of die clamping seats 43. During operation, according to the stamping requirements, different types of lower die seats 32 are placed in the die support seat 33, and then the drive motor 41 is turned on. The drive motor 41 is started to drive the fixed transmission part 42 to move, and the fixed transmission part 42 drives the die clamping seat 43 to clamp and fix the lower die seat 32, and then the workpiece to be stamped is placed on the lower die seat 32, and the stamping drive part 2 is turned on. The stamping drive part 2 drives the upper die seat 31 to stamp the workpiece to complete the stamping work. In the present invention, a die fixing mechanism 4 is provided, and the die fixing mechanism 4 is composed of a drive motor 41, a fixed transmission part 42 and a die clamping seat 43. The fixed transmission part 42 is driven by the drive motor 41 to adjust the position of the die clamping seat 43, so that the die clamping seat 43 can adapt to different types of lower die seats 32, and at the same time avoid the lower die seat 32 from falling off, thereby improving the workpiece stamping success rate and stamping quality.

[0067] It should be noted that the workpiece to be stamped in this embodiment can be a punching part, a blanking part, or a bent part made of low-carbon steel, stainless steel, aluminum alloy, or copper alloy.

[0068] The embodiment of the present invention provides a stamping die for sheet metal stamping, such as Figure 1-Figure 4 As shown, the stamping die for sheet metal stamping includes:

[0069] A mold body 1, wherein the mold body 1 comprises a support base 11, a main body protection cover 12 and a driving support base 13;

[0070] In this embodiment, the support base 11 can be a rectangular seat or a round seat structure, and the main body protective cover 12 can be a round seat or a rectangular seat with a hollow interior. The main body protective cover 12 is made of sound insulation material, and the bottom of the main body protective cover 12 is fixed to the upper surface of the support base 11 by fastening bolts or riveting, and the drive support seat 13 is fixed to the support base 11 by welding or mortise and tenon joints. The drive support seat 13 can be a rectangular seat or an "L"-shaped stand structure.

[0071] The mold assembly 3 includes an upper mold base 31, a lower mold base 32 and a mold support base 33. A mold base guide groove 331 is provided in the mold support base 33. The lower mold base 32 is installed in the mold support base 33. The mold support base 33 is fixedly connected to the main body protective cover 12. The upper mold base 31 is fixedly connected to the stamping drive unit 2. The stamping drive unit 2 is installed on the drive support base 13.

[0072] It should be noted that the upper mold base 31 and the lower mold base 32 can both be made of titanium alloy, and the upper mold base 31 is a rectangular base or a round base structure, and the mold support base 33 can be a rectangular base or a rectangular frame with a hollow interior. There are two groups of mold base guide grooves 331, and the mold base guide grooves 331 are symmetrically opened in the mold support base 33, and the mold support base 33 is fixedly connected to the side wall of the main protective cover 12 by fastening bolts or welding.

[0073] A mold fixing mechanism 4, wherein the mold fixing mechanism 4 is disposed on the support base 11, and the mold fixing mechanism 4 is used to fix lower mold bases 32 of different specifications;

[0074] Among them, Figure 5-Figure 8 As shown, the mold fixing mechanism 4 includes:

[0075] A driving motor 41, wherein the driving motor 41 is fixedly mounted on the supporting base 11;

[0076] A fixed transmission part 42 connected to the driving motor 41, wherein the fixed transmission part 42 is used to transmit the power of the driving motor 41;

[0077] At least one set of mold clamping seats 43 is slidably installed in the mold base guide groove 331, and the mold clamping seats 43 are used to clamp and fix lower mold bases 32 of different specifications.

[0078] It should be noted that the drive motor 41 can be a servo motor, and the drive motor 41 is fixedly mounted on the support base 11 through a clamp or a clamp ring, and the mold clamping seat 43 can be a rectangular clamping plate / seat or an "L"-shaped clamping plate / seat structure with a polished surface.

[0079] In this embodiment, during operation, different types of lower die seats 32 are placed in the die supporting seat 33 according to the stamping requirements, and then the driving motor 41 is turned on. The driving motor 41 is started to drive the fixed transmission part 42 to move, and the fixed transmission part 42 drives the die clamping seat 43 to clamp and fix the lower die seat 32. Then, the workpiece to be stamped is placed on the lower die seat 32, and the stamping driving part 2 is turned on. The stamping driving part 2 drives the upper die seat 31 to stamp the workpiece to complete the stamping work.

[0080] In the present invention, a mold fixing mechanism 4 is provided, and the mold fixing mechanism 4 is composed of a driving motor 41, a fixed transmission part 42 and a mold clamping seat 43. The fixed transmission part 42 is driven by the driving motor 41 to adjust the position of the mold clamping seat 43, so that the mold clamping seat 43 can adapt to different types of lower mold seats 32, and at the same time avoid the falling off of the lower mold seat 32, thereby improving the stamping success rate and stamping quality of the workpiece.

[0081] In a further preferred embodiment of the present invention, Figure 1-Figure 2 As shown, the stamping drive unit 2 includes:

[0082] A stamping cylinder 21, wherein the stamping cylinder 21 is fixedly mounted on the driving support seat 13, and a piston rod of the stamping cylinder 21 is fixedly connected to the upper die seat 31;

[0083] The stamping protection cover 22 is fixedly mounted on the driving support seat 13 , and the stamping protection cover 22 is slidably connected to the upper die seat 31 . The stamping protection cover 22 is used to guide and limit the upper die seat 31 and protect the upper die seat 31 .

[0084] In this embodiment, the stamping cylinder 21 is fixedly installed on the driving support seat 13 by fastening bolts or riveting, and the piston rod of the stamping cylinder 21 is fixedly connected to the upper mold seat 31 by clamping or bolting, and the stamping protective cover 22 can be a rectangular seat with a hollow interior, and the stamping protective cover 22 is fixed to the driving support seat 13 by clamping or riveting.

[0085] In a further preferred embodiment of the present invention, Figure 1-Figure 3 As shown, the mold assembly 3 also includes:

[0086] At least one set of punching heads 311, wherein the punching heads 311 are fixedly installed in the upper die base 31, and the punching heads 311 are used to perform punching operations on the workpiece;

[0087] At least one set of punching holes 321, wherein the punching holes 321 are provided in the lower die base 32;

[0088] The punching guide seat 332 is fixedly installed in the mold supporting seat 33 , and the punching guide seat 332 is slidably connected to the upper mold seat 31 .

[0089] In this embodiment, the shape of the punch head 311 can be circular, square, conical or prismatic, and the punch head 311 can be made of hard materials such as high-speed steel and tungsten steel to ensure its wear resistance and service life. For example, CR12, CR12MOV, ASP23, SKD11, SKD51, SKD61, etc. are all commonly used materials. The punch head 311 is fixed in the upper die seat 31 by mortise and tenon or bolt connection. The punch head 311 is installed in the upper die seat 31 in a matrix or circumferential arrangement. The punch guide seat 332 is installed on the upper surface of the mold support seat 33 by fastening bolts or welding. At the same time, multiple groups of clamps can be fixedly installed in the punch guide seat 332, and the clamps are used to clamp and fix the workpiece to prevent the workpiece from falling off. The punch hole 321 can be a square hole, a round hole or a diamond hole structure.

[0090] In a further preferred embodiment of the present invention, Figure 5-Figure 8 As shown, the fixed transmission part 42 includes:

[0091] A first gear 421, wherein the first gear 421 is disposed on one side of the driving motor 41, and one side of the first gear 421 is fixedly connected to the driving shaft of the driving motor 41;

[0092] At least one set of first racks 422, wherein the first racks 422 are slidably mounted on the support base 11, and the first racks 422 are meshed with the first gear 421 for transmission;

[0093] A fixed transmission rod 423 is fixedly connected to the first rack 422 , and the other end of the fixed transmission rod 423 is fixedly connected to the mold clamping seat 43 .

[0094] The anti-mold release component 44 is arranged on one side of the mold support seat 33, and the anti-mold release component 44 is connected to the fixed transmission rod 423. The anti-mold release component 44 is used to assist in fixing the lower mold seat 32 and prevent the lower mold seat 32 from falling off.

[0095] In this embodiment, one side of the first gear 421 is fixedly connected to the driving shaft of the driving motor 41 by means of interference fit, and the first rack 422 is symmetrically arranged on the outside of the first gear 421. The first rack 422 can be an "L"-shaped rack. At the same time, the side wall of the first rack 422 is slidingly connected to the support base 11 through a slide groove or a slide rail, and the first rack 422 is connected to the fixed transmission rod 423 by means of rivets or bolts. The fixed transmission rod 423 can be a bent rod or an "L" connecting rod structure, and the end of the fixed transmission rod 423 away from the first rack 422 is fixedly connected to the mold clamping seat 43 by means of threads or plug-in.

[0096] During operation, the driving motor 41 is started, and the starting of the driving motor 41 can drive the first gear 421 to rotate. The rotation of the first gear 421 can drive the two groups of first racks 422 to move in the same direction or in different directions. The movement of the first gear 421 can drive the fixed transmission rod 423 to move, so that the fixed transmission rod 423 pulls the mold clamping seat 43 to move, so that the mold clamping seat 43 clamps and fixes the lower mold seat 32.

[0097] In a further preferred embodiment of the present invention, Figure 9-12 As shown, the anti-stripping component 44 includes:

[0098] An anti-stripping linkage seat 441, wherein the anti-stripping linkage seat 441 is hollow inside, and an anti-dropping driving block 442 is slidably arranged inside the anti-stripping linkage seat 441, and the anti-stripping driving block is fixedly mounted on the fixed transmission rod 423;

[0099] An anti-stripping linkage shaft 443, wherein the anti-stripping linkage shaft 443 is fixedly mounted on one end of the anti-stripping linkage seat 441, and the anti-stripping linkage shaft 443 is rotatably connected to the support base 11;

[0100] The second gear 444 is fixedly sleeved on the anti-stripping linkage shaft 443, and one side of the second gear 444 is fixedly connected with a reset torsion spring 445, the reset torsion spring 445 is embedded in a torsion spring mounting seat 446, the torsion spring mounting seat 446 is fixedly mounted on the support base 11, and one side of the torsion spring mounting seat 446 is also rotationally connected to the second gear 444.

[0101] The second rack 447 is arranged on one side of the second gear 444 , and the second rack 447 and the second gear 444 are meshed and transmitted with each other. The second rack 447 is slidably sleeved on the rack guide rod 448 , and the rack guide rod 448 is fixedly arranged on the support base 11 .

[0102] In this embodiment, the anti-demolding linkage seat 441 is a rectangular seat or a rectangular frame with a hollow interior, and the anti-demolding linkage seat 441 is tilted, and the anti-falling drive block 442 is fixedly installed on the fixed transmission rod 423 by means of threads or plug-in, and the anti-demolding linkage shaft 443 is fixedly connected to the end of the anti-demolding linkage shaft 443 by welding or riveting, and the second gear 444 is fixedly installed on the anti-demolding linkage shaft 443 by means of plug-in, and the setting of the reset torsion spring 445 can provide power for resetting the second gear 444, the anti-demolding linkage shaft 443, and the anti-demolding drive block, thereby indirectly avoiding the falling off of the lower mold seat 32, and the rack guide rod 448 can be a rectangular rod or a round rod, and the setting of the rack guide rod 448 realizes the guide limit of the second rack 447, and the bottom of the rack guide rod 448 is fixedly connected to the support base 11 by a snap or a fastening bolt.

[0103] The anti-demolding support portion 5 is fixedly connected to the second rack 447 , and the anti-demolding support portion 5 is used to support the lower mold base 32 .

[0104] In the present invention, an anti-demolding component 44 is provided, and the movement of the anti-demolding component 44 is linked with the fixed transmission part 42, so that the lower die base 32 can be firmly supported at the bottom. At the same time, after the lower die base 32 is fixed, the linkage effect of the anti-demolding component 44 and the fixed transmission part 42 can achieve anti-falling locking of the lower die base 32 when the lower die base 32 is loose, thereby ensuring the smooth progress of the stamping work.

[0105] In this embodiment, the anti-stripping support portion 5 includes:

[0106] An anti-stripping support seat 51, wherein the anti-stripping support seat 51 is fixedly connected to an end of the second rack 447;

[0107] at least one set of anti-stripping protection rollers 52, wherein the anti-stripping protection rollers 52 are detachably mounted on the anti-stripping support seat 51, and the anti-stripping protection rollers 52 are used to support the lower die seat 32 and limit the lower die seat 32, and

[0108] The auxiliary demoulding component 53 is arranged on the anti-demolding support seat 51, and the auxiliary demoulding component 53 is used to assist the workpiece in demoulding operation.

[0109] It should be noted that the anti-demolding support seat 51 can be a rectangular seat or a rectangular frame, and the anti-demolding support seat 51 is fixedly connected to the end of the second rack 447 by mortise and tenon or riveting, and the anti-demolding protection roller 52 can be a round roller with an anti-slip strip or anti-slip groove on the outer wall, and the anti-demolding protection roller 52 can be detachably installed on the anti-demolding support seat 51 by means of threads or snaps.

[0110] In a further preferred embodiment of the present invention, Figure 13-Figure 15As shown, the auxiliary demoulding component 53 includes:

[0111] An exhaust fan 531, wherein the exhaust fan 531 is fixedly installed on one side of the anti-stripping support seat 51;

[0112] An exhaust seat 532, wherein the exhaust seat 532 is disposed on the anti-stripping support seat 51, and the exhaust seat 532 is connected to the exhaust fan 531;

[0113] At least one set of drainage grooves 533 is provided in the exhaust seat 532 , and the drainage grooves 533 are used for draining hot air.

[0114] A hot air spoiler seat 535, wherein the hot air spoiler seat 535 is fixedly installed in the guide groove 533, and the hot air spoiler seat 535 is used to spoil the hot air, and

[0115] The auxiliary refrigeration component 534 is detachably installed in the drainage groove 533 and is used for assisting in cooling the hot air.

[0116] In this embodiment, the exhaust fan 531 is fixedly installed on one side of the anti-stripping support seat 51 by fastening bolts. The exhaust seat 532 is a rectangular seat, and the setting of the guide groove 533 can guide the hot air into the exhaust seat 532. The guide groove 533 can be a rectangular groove or a circular groove. The guide groove 533 is arranged in a matrix in the exhaust seat 532, and the hot air spoiler seat 535 is provided with arc-shaped and spiral spoiler strips installed in a counterclockwise circumferential direction. The setting of the hot air spoiler seat 535 realizes the discrete processing of the hot air entering the guide groove 533, thereby improving the contact between the hot air and the auxiliary refrigeration component 534. The auxiliary refrigeration component 534 can be a semiconductor refrigeration electrode / sheet structure. The setting of the auxiliary refrigeration component 534 realizes the rapid cooling of the hot air. The auxiliary refrigeration component 534 can be a spiral structure. After the stamping is completed, the exhaust fan 531 and the auxiliary refrigeration component 534 are turned on. The exhaust fan 531 draws the hot air near the lower mold base 32 into the drainage groove 533, and then the hot air spoiler seat 535 performs turbulence discrete processing on the air, and the auxiliary refrigeration component 534 cools the hot air, thereby realizing the rapid cooling of the lower mold base 32 and facilitating the rapid demolding of the workpiece.

[0117] In the present invention, an auxiliary die-removal component 53 is provided, which can realize rapid cooling of the lower die base 32 and the workpiece after stamping is completed, thereby avoiding the problem of overheating of the lower die base 32 causing heat damage to the workpiece or inconvenience in demolding the workpiece, and indirectly improving the stamping quality of the workpiece.

[0118] In summary, the present invention provides a stamping die for sheet metal stamping. During operation, different types of lower die seats 32 are placed in the die support seat 33 according to the stamping requirements, and then the drive motor 41 is turned on. The drive motor 41 is started to drive the fixed transmission part 42 to move, and the fixed transmission part 42 drives the die clamping seat 43 to clamp and fix the lower die seat 32, and then the workpiece to be stamped is placed on the lower die seat 32, and the stamping drive part 2 is turned on. The stamping drive part 2 drives the upper die seat 31 to stamp the workpiece to complete the stamping work.

[0119] In the present invention, a mold fixing mechanism 4 is provided, and the mold fixing mechanism 4 is composed of a driving motor 41, a fixed transmission part 42 and a mold clamping seat 43. The fixed transmission part 42 is driven by the driving motor 41 to adjust the position of the mold clamping seat 43, so that the mold clamping seat 43 can adapt to different types of lower mold seats 32, and at the same time avoid the falling off of the lower mold seat 32, thereby improving the stamping success rate and stamping quality of the workpiece.

[0120] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the present invention is not limited by the described order of actions, because according to the present invention, some steps may be performed in other orders or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

[0121] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also belong to the scope of protection of the present invention.

Claims

1. A stamping die for sheet metal stamping, the stamping die for sheet metal stamping comprising: A mold body (1), the mold body (1) comprising a support base (11), a main body protective cover (12) and a drive support base (13); A mold assembly (3), the mold assembly (3) comprising an upper mold base (31), a lower mold base (32) and a mold support base (33), characterized in that a mold base guide groove (331) is provided in the mold support base (33), the lower mold base (32) is mounted in the mold support base (33), the mold support base (33) is fixedly connected to the main body protective cover (12), the upper mold base (31) is fixedly connected to a stamping drive unit (2), and the stamping drive unit (2) is mounted on the drive support base (13); A mold fixing mechanism (4), the mold fixing mechanism (4) being arranged on the support base (11), and the mold fixing mechanism (4) being used to fix lower mold bases (32) of different specifications; Wherein, the mold fixing mechanism (4) comprises: A driving motor (41), wherein the driving motor (41) is fixedly mounted on the supporting base (11); a fixed transmission part (42) connected to the drive motor (41), the fixed transmission part (42) being used to transmit power of the drive motor (41); At least one set of mold clamping seats (43), the mold clamping seats (43) being slidably mounted in the mold base guide grooves (331), and the mold clamping seats (43) being used to clamp and fix lower mold bases (32) of different specifications; The fixed transmission part (42) comprises: A first gear (421), the first gear (421) being arranged on one side of the drive motor (41), and one side of the first gear (421) being fixedly connected to a drive shaft of the drive motor (41); at least one set of first racks (422), wherein the first racks (422) are slidably mounted on the support base (11), and the first racks (422) are meshed and transmitted with the first gear (421); a fixed transmission rod (423) fixedly connected to the first rack (422), the other end of the fixed transmission rod (423) being fixedly connected to the mold clamping seat (43); an anti-demolding component (44), the anti-demolding component (44) being arranged on one side of the mold support seat (33), and the anti-demolding component (44) being connected to the fixed transmission rod (423), and the anti-demolding component (44) being used to assist in fixing the lower mold seat (32) and to prevent the lower mold seat (32) from falling off; The anti-stripping component (44) comprises: an anti-demolding linkage seat (441), the anti-demolding linkage seat (441) being hollow inside, and an anti-falling driving block (442) being slidably arranged inside the anti-demolding linkage seat (441), and the anti-demolding driving block being fixedly mounted on the fixed transmission rod (423); An anti-demolding linkage shaft (443), wherein the anti-demolding linkage shaft (443) is fixedly mounted on one end of the anti-demolding linkage seat (441), and the anti-demolding linkage shaft (443) is rotatably connected to the support base (11); a second gear (444), the second gear (444) being fixedly sleeved on the anti-stripping linkage shaft (443), and a reset torsion spring (445) being fixedly connected to one side of the second gear (444), the reset torsion spring (445) being embedded in a torsion spring mounting seat (446), the torsion spring mounting seat (446) being fixedly mounted on the support base (11), and one side of the torsion spring mounting seat (446) being rotatably connected to the second gear (444); a second rack (447), the second rack (447) being arranged on one side of the second gear (444), the second rack (447) and the second gear (444) being meshed and transmitted, the second rack (447) being slidably sleeved on a rack guide rod (448), and the rack guide rod (448) being fixedly arranged on a support base (11); An anti-demolding support portion (5), the anti-demolding support portion (5) being fixedly connected to the second rack (447), and the anti-demolding support portion (5) being used to support the lower mold base (32); The anti-stripping support portion (5) comprises: An anti-demolding support seat (51), wherein the anti-demolding support seat (51) is fixedly connected to an end of the second rack (447); at least one set of anti-stripping protection rollers (52), the anti-stripping protection rollers (52) being detachably mounted on the anti-stripping support seat (51), the anti-stripping protection rollers (52) being used to support the lower die seat (32) and to limit the position of the lower die seat (32); and An auxiliary demoulding component (53) is arranged on the anti-demolding support seat (51), and the auxiliary demoulding component (53) is used to assist the workpiece in performing a demoulding operation.

2. The stamping die for sheet metal stamping according to claim 1, characterized in that: The punching drive unit (2) comprises: A stamping cylinder (21), wherein the stamping cylinder (21) is fixedly mounted on the driving support seat (13), and a piston rod of the stamping cylinder (21) is fixedly connected to an upper die seat (31); A punching protection cover (22) is fixedly mounted on the driving support seat (13), and the punching protection cover (22) is slidably connected to the upper die seat (31). The punching protection cover (22) is used to guide and limit the upper die seat (31) and protect the upper die seat (31).

3. The stamping die for sheet metal stamping according to claim 2, characterized in that: The mold assembly (3) further comprises: At least one set of punching heads (311), the punching heads (311) being fixedly mounted in the upper die base (31), the punching heads (311) being used to perform a punching operation on a workpiece; At least one group of punching holes (321), wherein the punching holes (321) are provided in the lower die base (32); A stamping guide seat (332), wherein the stamping guide seat (332) is fixedly mounted in the die support seat (33), and the stamping guide seat (332) is slidably connected to the upper die seat (31).

4. The stamping die for sheet metal stamping according to claim 3, characterized in that: The auxiliary demoulding component (53) comprises: An exhaust fan (531), the exhaust fan (531) being fixedly mounted on one side of the anti-stripping support seat (51); An exhaust seat (532), the exhaust seat (532) being arranged on the anti-stripping support seat (51), and the exhaust seat (532) and the exhaust fan (531) being electrically connected; At least one group of drainage grooves (533), wherein the drainage grooves (533) are arranged in the exhaust seat (532), and the drainage grooves (533) are used to drain hot air.

5. The stamping die for sheet metal stamping according to claim 4, characterized in that: The auxiliary demoulding component (53) further comprises: a hot air spoiler seat (535), the hot air spoiler seat (535) being fixedly mounted in the guide groove (533), the hot air spoiler seat (535) being used to spoil the hot air, and An auxiliary refrigeration component (534), wherein the auxiliary refrigeration component (534) is detachably mounted in the drainage groove (533), and the auxiliary refrigeration component (534) is used to perform auxiliary cooling treatment on the hot air.

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