Burr-free stamping die
Technical Field
The invention relates to the field of dies, in particular to a burr-free stamping die.
Background
The existing method of the processing and forming process of the circular bent workpiece is generally completed by a stamping procedure, the direct and primary influence factor of the burr height of the workpiece after stamping is the clearance between the upper cutting edge and the lower cutting edge, and then material pressing, the friction between the side surfaces of the upper cutting edge and the lower cutting edge and the blanking section, the blanking speed, and the heating and vibration of the die during use. Traditional burr stamping die can not effectually get rid of the part after will hitting and the burr that the part produced, and then influence the use of part, and stamping die if power machinery breaks down, probably causes the damage of punching press supporting shoe.
Disclosure of Invention
Aiming at the defects of the prior art, the invention is realized by the following technical scheme: a burr-free stamping die structurally comprises a stamping die, a power pressing rod, a feeding device and a discharging plate, wherein the power pressing rod is arranged at the middle position of the top end of the stamping die, the stamping die is mechanically connected with the power pressing rod, the feeding device is arranged at the bottom end of the inner side of the stamping die, the discharging plate is arranged below the left end of the stamping die, and the stamping die is movably connected with the discharging plate;
the stamping die comprises an upper die base, an upper padding plate, a stamping mechanism, a guide pillar sleeve rod, a lower die base, an unloading mechanism and buffering supporting mechanisms, wherein the upper padding plate is arranged below the bottom end of the upper die base, the upper die base is connected with the upper padding plate, the lower die base is arranged below the upper die base, the upper die base and the lower die base are movably connected through the guide pillar sleeve rod, the stamping mechanism is arranged in the middle of the bottom surface of the upper padding plate, the upper padding plate is mechanically connected with the stamping mechanism, the unloading mechanism is arranged in the middle of the top end of the lower die base, the four buffering supporting mechanisms are arranged on the surface of the top end of the lower die base, and the lower die base is connected with the buffering supporting mechanisms.
As a further optimization of the technical scheme, four limiting pressure rods are arranged below the bottom end of the upper die base, and the upper die base is movably connected with the limiting pressure rods.
As the further optimization of this technical scheme, punching press mechanism constitute by fixed cylinder base, threaded shaft, circular bending die, power push rod, first spring, the inboard intermediate position of fixed cylinder base on be equipped with the threaded shaft, fixed cylinder base and threaded shaft adopt clearance fit, threaded shaft bottom have circular bending die, threaded shaft and circular bending die fixed connection, the threaded shaft on be equipped with power push rod on the surface, threaded shaft and power push rod mesh mutually, power push rod top on install first spring.
As a further optimization of the technical scheme, the polishing cap is arranged on the inner side surface of the circular bending die, and the circular bending die is fixedly connected with the polishing cap.
As a further optimization of the technical scheme, the discharging mechanism comprises a stamping base, a fixing rod, a second spring, a telescopic sleeve and a stamping supporting block, the fixing rod is arranged at the middle position of the bottom end inside the stamping base, the bottom ends of the stamping base and the fixing rod are welded through electric welding, the telescopic sleeve is arranged on the surface of the top end of the fixing rod, the fixing rod is in sliding fit with the telescopic sleeve, the second spring is arranged on the surface of the fixing rod and the telescopic sleeve, the stamping supporting block is arranged on the top end of the telescopic sleeve, and the telescopic sleeve is connected with the stamping supporting block.
As a further optimization of the technical scheme, the material guide sliding plate is arranged on the surface of the left side of the stamping base, and the stamping base and the material guide sliding plate are of an integrated structure.
As a further optimization of the technical scheme, the top end of the fixed rod is provided with a top clamping rod, and the fixed rod and the top clamping rod are welded through electric welding.
As a further optimization of the technical scheme, a conical extrusion groove is formed in the stamping supporting block at the lower middle position.
As the further optimization of this technical scheme, buffering supporting mechanism constitute by spacing barrel holder, thread groove, buffering threaded rod, buffer pad, spacing barrel holder inside be equipped with the thread groove, the thread groove on be equipped with the buffering threaded rod, thread groove and buffering threaded rod threaded connection, buffering threaded rod top on be equipped with buffer pad, buffering threaded rod and buffer pad glue and connect.
As a further optimization of the technical scheme, the upper die base and the lower die base are parallel to each other, and the length and the width of the upper die base and the width of the lower die base are the same.
As a further optimization of the technical scheme, the ejector clamp rod is attached to the stamping supporting block through the conical extrusion groove.
As the further optimization of the technical scheme, the buffer gasket is made of rubber materials, is not easy to damage and has strong flexibility.
As a further optimization of the technical scheme, the feeding device, the discharging mechanism and the discharging plate are all positioned on the same line.
As a further optimization of the technical scheme, the upper die base is movably attached to the buffer gasket through the limiting compression rod.
Advantageous effects
The invention relates to a burr-free stamping die, when raw materials are fed onto a stamping supporting block through a feeding device, a driving power device drives a power pressure rod to press an upper die base downwards, the upper die base drives a fixed cylinder base to move downwards through an upper backing plate, the fixed cylinder base drives a circular bending die to perform blanking forming on the raw materials on the surface of the stamping supporting block, when the circular bending die performs stamping, a power push rod firstly impacts a guide sliding plate, when the power push rod is subjected to a reverse vibration force, the power push rod drives the circular bending die to perform rotary stamping through a threaded shaft, when the circular bending die performs rotary stamping on the raw materials, the circular bending die performs polishing on the surface of a circular bending workpiece through a polishing cap, so that burrs on the surface of the circular bending workpiece can be polished completely, when the stamping supporting block is subjected to stamping impact, the stamping supporting block drives a telescopic sleeve to move downwards, a fixing rod is inserted into a, after the top end of the stamping supporting block is divided into two parts, the two ends of the stamping supporting block respectively clamp the round bent workpiece, the round bent workpiece is prevented from being driven to rotate by a polishing cap during polishing, so that polishing efficiency is reduced, after polishing is finished, the second spring drives the telescopic sleeve to be matched with the stamping supporting block to eject and unload the round bent workpiece, when a stamping die is driven by the power pressure rod to continuously work, and when a driving device on the power pressure rod breaks down, the power pressure rod can drive the upper die base to extrude downwards for a distance exceeding the original limit, the stamping supporting block can be damaged, the lower die base utilizes the buffer threaded rod on the limiting cylinder base to be matched with the buffer gasket to limit the upper die base, so that when the upper die base drives the limiting pressure rod to move downwards to a certain distance, the buffer gasket performs buffer work on the limiting pressure rod, and when the driving device breaks down, the punching supporting block cannot be damaged, the descending distance of the upper die base is limited by adjusting the height of the buffering threaded rod through the threaded groove, and the protection of the punching die and raw materials is improved.
Compared with the prior art, the invention has the beneficial effects that: stamping die utilizes power depression bar to drive the whole work of pushing down of upper die base, the upper padding plate carries out blanking shaping to raw and other materials through stamping mechanism, utilize power push rod to drive the rotatory punching press of circular bending die, polish circular bending workpiece surface through the cap of polishing, make burr on the circular bending workpiece surface can be polished totally, avoid influencing the use of part, stamping die is divided into two through the punching press supporting shoe on the shedding mechanism and is pressed from both sides tightly circular bending workpiece, it is rotatory to avoid circular bending workpiece to be driven by the cap of polishing when polishing, make the efficiency of polishing reduce, stamping die utilizes buffering supporting mechanism to down displacement's restriction to the upper die base, when making drive arrangement break down, also can not cause the damage to the punching press supporting shoe.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of a burr-free stamping die according to the present invention.
Fig. 2 is a schematic structural diagram of a burr-free stamping die in a static state in a front view.
Fig. 3 is a schematic structural view of a front cross section of a burr-free stamping die according to the present invention.
FIG. 4 is an enlarged view of A of FIG. 3 according to the present invention.
Fig. 5 is a schematic structural diagram of the discharging mechanism of the present invention.
FIG. 6 is an enlarged view of B of FIG. 3 according to the present invention.
In the figure: stamping die-1, power compression bar-2, feeding device-3, stripper plate-4, upper die base-1 a, upper backing plate-1 b, stamping mechanism-1 c, guide pillar sleeve rod-1 d, lower die base-1 e, unloading mechanism-1 f, buffer supporting mechanism-1 g, limiting compression bar-1 a1, fixed cylinder base-1 c1, threaded shaft-1 c2, circular bending die-1 c3, power push rod-1 c4, first spring-1 c5, polishing cap-1 c31, stamping base-1 f1, fixed rod-1 f2, second spring-1 f3, telescopic sleeve-1 f4, stamping supporting block-1 f5, guide sliding plate-1 f11, top clamping rod-1 f21, conical extrusion groove-1 f51, limiting cylinder base-1 g1, guide clamping rod-1 g1, A thread groove-1 g2, a buffer threaded rod-1 g3 and a buffer gasket-1 c 4.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.
Example 1
Referring to fig. 1-5, the invention provides a burr-free stamping die, which structurally comprises a stamping die 1, a power pressure rod 2, a feeding device 3 and a discharging plate 4, wherein the power pressure rod 2 is arranged at the middle position of the top end of the stamping die 1, the stamping die 1 is mechanically connected with the power pressure rod 2, the feeding device 3 is arranged at the bottom end of the inner side of the stamping die 1, the discharging plate 4 is arranged below the left end of the stamping die 1, and the stamping die 1 is movably connected with the discharging plate 4;
the stamping die 1 consists of an upper die base 1a, an upper backing plate 1b, a stamping mechanism 1c, a guide post sleeve rod 1d, a lower die base 1e, a discharging mechanism 1f and a buffering support mechanism 1g, an upper backing plate 1b is arranged under the bottom end of the upper die holder 1a, the upper die holder 1a is connected with the upper backing plate 1b, a lower die holder 1e is arranged below the upper die holder 1a, the upper die holder 1a and the lower die holder 1e are movably connected through a guide post sleeve rod 1d, a stamping mechanism 1c is arranged in the middle of the bottom surface of the upper backing plate 1b, the upper backing plate 1b is mechanically connected with the stamping mechanism 1c, the discharging mechanism 1f is installed in the middle of the top end of the lower die holder 1e, four buffering supporting mechanisms 1g are arranged on the surface of the top end of the lower die holder 1e, and the lower die holder 1e is connected with the buffering supporting mechanisms 1 g.
Four limiting pressure rods 1a1 are arranged below the bottom end of the upper die base 1a, and the upper die base 1a is movably connected with the limiting pressure rods 1a 1.
The punching mechanism 1c comprises a fixed cylinder seat 1c1, a threaded shaft 1c2, a circular bending die 1c3, a power push rod 1c4 and a first spring 1c5, wherein the threaded shaft 1c2 is arranged in the middle of the inner side of the fixed cylinder seat 1c1, the fixed cylinder seat 1c1 and the threaded shaft 1c2 are in clearance fit, the circular bending die 1c3 is arranged below the bottom end of the threaded shaft 1c2, the threaded shaft 1c2 is fixedly connected with the circular bending die 1c3, the power push rod 1c2 is arranged on the surface of the threaded shaft 4, the threaded shaft 1c2 is meshed with the power push rod 1c4, and the first spring 1c5 is arranged at the top end of the power push rod 1c 4.
The inner side surface of the circular bending die 1c3 is provided with a grinding cap 1c31, and the circular bending die 1c3 is fixedly connected with the grinding cap 1c 31.
The discharging mechanism 1f is composed of a stamping base 1f1, a fixing rod 1f2, a second spring 1f3, a telescopic sleeve 1f4 and a stamping supporting block 1f5, wherein a fixing rod 1f2 is arranged in the middle of the bottom end inside the stamping base 1f1, the bottom ends of the stamping base 1f1 and the fixing rod 1f2 are welded through electric welding, a telescopic sleeve 1f4 is arranged on the surface of the top end of the fixing rod 1f2, the fixing rod 1f2 is in sliding fit with the telescopic sleeve 1f4, the second spring 1f3 is arranged on the surfaces of the fixing rod 1f2 and the telescopic sleeve 1f4, a stamping supporting block 1f5 is arranged at the top end of the telescopic sleeve 1f4, and the telescopic sleeve 1f4 is connected with the stamping supporting block 1f 5.
The stamping base 1f1 is provided with a material guiding sliding plate 1f11 on the left surface, and the stamping base 1f1 and the material guiding sliding plate 1f11 are of an integrated structure.
The top end of the fixed rod 1f2 is provided with a top clamping rod 1f21, and the fixed rod 1f2 and the top clamping rod 1f21 are welded through electric welding.
A conical extrusion groove 1f51 is formed in the punching supporting block 1f5 at the lower middle position in the punching supporting block.
The principle of the embodiment: when raw materials are fed into the stamping supporting block 1f5 through the feeding device 3, the driving power device drives the power press rod 2 to press the upper die holder 1a downwards, the upper die holder 1a drives the fixed cylinder holder 1c1 to move downwards through the upper backing plate 1b, the fixed cylinder holder 1c1 drives the circular bending die 1c3 to perform blanking forming on the raw materials on the surface of the stamping supporting block 1f5, when the circular bending die 1c3 stamps, the power push rod 1c4 firstly impacts the guide sliding plate 1f11, when the power push rod 1c4 receives the reverse vibration force, the power push rod 1c4 drives the circular bending die 1c3 to perform rotary stamping through the threaded shaft 1c2, when the circular bending die 1c3 rotationally stamps the raw materials, the circular bending die 1c3 polishes the surface of the circular bending workpiece through the polishing cap 1c31, so that burrs on the surface of the circular bending workpiece can be polished completely, and when the stamping supporting block 1f5 is impacted, the punching press supporting block 1f5 drives the telescopic sleeve 1f4 to move downwards, the fixed rod 1f2 is inserted into the conical extrusion groove 1f51 through the top clamping rod 1f21, after the top end of the punching press supporting block 1f5 is divided into two parts, two ends of the punching press supporting block 1f5 clamp the round bent workpiece respectively, the round bent workpiece is prevented from being driven to rotate by the grinding cap 1c31 during grinding, grinding efficiency is reduced, and after grinding is finished, the second spring 1f3 drives the telescopic sleeve 1f4 to cooperate with the punching press supporting block 1f5 to eject the round bent workpiece for discharging.
The method for solving the problems in the embodiment is as follows: stamping die 1 utilizes power depression bar 2 to drive the whole work of pushing down of upper die base 1a, upper padding plate 1b carries out blanking shaping to raw and other materials through stamping mechanism 1c, utilize power push rod 1c4 to drive the rotatory punching press of circular bending die 1c3, polish circular crooked workpiece surface through cap 1c31 of polishing, make burr on the circular crooked workpiece surface can be polished totally, avoid influencing the use of part, stamping die 1 is divided into two through the punching press supporting shoe 1f5 on the shedding mechanism 1f and is pressed from both sides circular crooked work piece tightly, it is rotatory to avoid circular crooked work piece to be driven by cap 1c31 of polishing when polishing, make the efficiency of polishing reduce.
Example 2
Referring to fig. 1-6, the invention provides a burr-free stamping die, wherein the buffer support mechanism 1g comprises a limiting cylinder seat 1g1, a thread groove 1g2, a buffer threaded rod 1g3 and a buffer shim 1c4, the thread groove 1g2 is arranged in the limiting cylinder seat 1g1, the buffer threaded rod 1g3 is arranged on the thread groove 1g2, the thread groove 1g2 is in threaded connection with the buffer threaded rod 1g3, the buffer shim 1c4 is arranged at the top end of the buffer threaded rod 1g3, and the buffer threaded rod 1g3 is in adhesive connection with the buffer shim 1c 4.
The upper die holder 1a and the lower die holder 1e are parallel to each other, the length and the width of the upper die holder 1a and the width of the lower die holder 1e are the same, the top clamping rod 1f21 and the stamping supporting block 1f5 are attached through the conical extrusion groove 1f51, the buffer gasket 1c4 is made of rubber materials, is not easy to damage and has strong flexibility, the feeding device 3, the discharging mechanism 1f and the discharging plate 4 are all positioned on the same line, and the upper die holder 1a and the buffer gasket 1c4 are movably attached through the limiting pressing rod 1a 1.
The principle of the embodiment: when the stamping die 1 continuously works under the driving of the power compression bar 2, when a driving device on the power compression bar 2 breaks down, the power compression bar 2 may drive the upper die holder 1a to extrude downwards, and the distance of the upper die holder 1a to extrude downwards exceeds the original limit, the damage of the stamping supporting block 1f5 may be caused, the lower die holder 1e utilizes the buffer threaded rod 1g3 on the limiting cylinder holder 1g1 to cooperate with the buffer gasket 1c4 to limit the upper die holder 1a, so that when the upper die holder 1a drives the limiting compression bar 1a1 to move downwards to a certain distance, the buffer gasket 1c4 carries out buffer work on the limiting compression bar 1a1, when the driving device breaks down, the damage to the stamping supporting block 1f5 is avoided, the descending distance of the upper die holder 1a is limited by adjusting the height of the buffer threaded rod 1g3 through the threaded groove 1g2, and the protection of the stamping die 1 and raw materials is.
The method for solving the problems in the embodiment is as follows: the press die 1 utilizes the limitation of the downward movement distance of the upper die base 1a by the buffer support mechanism 1g, so that the press support block 1f5 is not damaged when the driving device fails.
While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.