CN214814029U - Stamping and trimming die - Google Patents
Stamping and trimming die Download PDFInfo
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- CN214814029U CN214814029U CN202121677123.0U CN202121677123U CN214814029U CN 214814029 U CN214814029 U CN 214814029U CN 202121677123 U CN202121677123 U CN 202121677123U CN 214814029 U CN214814029 U CN 214814029U
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Abstract
The utility model relates to a punching press side cut mould, the side cut die includes the sword mouth body and the extrusion body, and have the blanking hole that vertically runs through, the blade position is above the extrusion body, along forming the blade on the pore wall of the sword mouth body, the blade corresponds with the maximum dimension of the side profile of finished piece along axial contour dimension, have the extrusion section on the pore wall of the extrusion body, the extrusion section is less than or equal to the minimum dimension of the side profile of finished piece along axial contour dimension, along axial contour dimension on the pore wall of the extrusion body is greater than or equal to the blade along axial contour dimension, link up through the reducing changeover portion between the extrusion section and the pore wall upper edge of the extrusion body; the trimming male die is positioned right above the trimming female die, and the contour dimension of the trimming male die along the axial direction is smaller than or equal to the contour dimension of the extrusion section along the axial direction. Use punching press side cut mould can once only accomplish the cutting and the side surface extrusion processing of finished piece, not only can guarantee the quality of product, also can improve production efficiency, reduction in production cost.
Description
Technical Field
The utility model belongs to the technical field of metal processing, concretely relates to punching press side cut mould.
Background
Forging is the combination of forging and stamping, and is a forming method for obtaining a product with a required shape and size by applying pressure to a blank by using a hammer head, an anvil, a punch or a forging die of a press to generate plastic deformation.
When a forging die is used for forging and pressing a blank, the blank is placed on a forging female die, a forging male die (punch) moves towards the forging female die under the driving of a press, the blank moves towards the forging female die under the pressure of the forging male die, most of the blank is pressed into the forging female die under the limitation of the shape and size of the forging female die, and plastic deformation is generated to obtain a workpiece with the required shape and size; when the forging male die moves to the end point, the redundant material of the blank is pressed into a thin cake shape, and a connecting skin or a flash is formed on the upper edge of the blank; in order to facilitate the separation of the part from the female die after forging and pressing, the female die generally has a draft angle of 0.5-3 degrees, so that the side surface of the part also has a certain draft angle.
At present, the method of punching and trimming is generally adopted to remove the connected skin or flash of a forged and formed part, please refer to fig. 1, that is, the part is placed in a trimming female die, the size of the edge of the trimming female die corresponds to the maximum size of the side profile of the part, the part cannot fall into the trimming female die completely under the blocking effect of the flash or the connected skin, the size of a trimming male die is smaller than or equal to the size of the edge of the trimming female die, when the trimming male die is pressed down rapidly, the part moves towards the trimming female die under the stress, and the flash or the connected skin of the part is separated from the part under the cutting of the edge of the trimming female die, so that the connected skin or the flash of the part is removed.
However, under the influence of a plurality of factors such as the cutting edge of the trimming female die, the stamping speed, the material of the workpiece and the like, the cutting surface of the workpiece, which is generated by removing the flash or the connecting skin, is generally rough and has scratches, sharp protrusions and the like; therefore, in order to ensure the product quality, improve the dimensional accuracy and reduce the influence on subsequent processing and positioning, the whole side surface of the workpiece needs to be polished, so that the cutting surface becomes smooth and the inclination is eliminated; however, the grinding process takes a long time, which not only results in low production efficiency, but also results in increased production cost.
Disclosure of Invention
The above-mentioned not enough to prior art, the to-be-solved technical problem of the utility model is to provide a punching press side cut mould, avoid cutting edge the back at the punching press, still need polish the processing so that the cutting plane is level and smooth and eliminate the problem of inclination to the finished piece, gain the effect that improves production efficiency, reduction in production cost.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a stamping and trimming die comprises an upper die and a lower die, wherein the lower die comprises a trimming female die, the trimming female die is provided with a vertically-through blanking hole, a cutting edge for cutting is formed on the upper edge of the hole wall of the blanking hole, the upper die comprises a trimming male die, the trimming male die is positioned right above the trimming female die, the trimming female die comprises a cutting edge body and an extruding body, the cutting edge body is positioned above the extruding body, the blanking hole penetrates through the cutting edge body and the extruding body, and the cutting edge is formed on the upper edge of the hole wall of a blanking hole section in the cutting edge body; the hole wall of the blanking hole section in the extruding body is provided with a convex extruding section, the contour dimension of the extruding section along the circumference circle is smaller than that of the cutting edge, and the contour dimension of the trimming convex die along the circumference circle is smaller than or equal to that of the extruding section. The extrusion section is located the middle section of the pore wall of the extrusion body, the contour dimension of the upper edge of the pore wall of the extrusion body is larger than or equal to the contour dimension of the cutting edge, the extrusion section is connected with the upper edge of the pore wall of the extrusion body through a reducing transition section, and the reducing transition section is in gradual taper transition or arc transition.
The utility model discloses in, the side cut die comprises the sword mouth body and the extrusion body, wherein, the last edge formation blade of sword mouth body is used for cutting even skin or overlap, including top-down reducing changeover portion and extrusion section in the extrusion body, after the even skin of finished piece and overlap are cut, continue downstream under the pushing down of side cut terrace die, the reducing changeover portion plays the guide effect, simultaneously along with the size of reducing changeover portion dwindles gradually, the side surface of finished piece is extruded, because the size of extrusion section is less than or equal to the minimum chi of the side profile of finished piece, when the finished piece passes through the extrusion section, the inclination of finished piece is eliminated completely, the cutting plane is also eliminated, the whole side of finished piece becomes level and smooth; therefore, the problem that the workpiece needs to be polished to enable the cutting surface to be smooth and eliminate the inclination after stamping and trimming is solved, the workpiece can be cut and the side surface can be extruded by using the stamping and trimming die at one time, the product quality is guaranteed, the production efficiency is improved, and the production cost is reduced.
Furthermore, the contour dimension of the lower edge of the hole wall of the cutting edge body is larger than that of the cutting edge, and the cutting edge is connected with the lower edge of the hole wall of the cutting edge body through the reducing transition section.
Therefore, after the cutting is finished, a gap exists between the side surface of the workpiece and the hole wall of the cutting edge body, the situation that the cutting scraps fall into the cutting edge body along with the workpiece is avoided, the side surface of the workpiece is scratched or the cutting edge body is damaged, friction between the workpiece and the cutting edge body is reduced, and energy consumption in the whole stamping and edge cutting process is reduced.
Furthermore, the contour dimension of the lower edge of the hole wall of the extrusion body is larger than that of the extrusion section, and the extrusion section is connected with the lower edge of the hole wall of the extrusion body through the reducing transition section.
Therefore, after extrusion is completed, the workpiece can freely fall through the extrusion body, the workpiece can be conveniently taken out subsequently, meanwhile, the time for extruding the workpiece is shortened, the energy consumption of the whole stamping and trimming process is reduced, and a large amount of friction heat is prevented from being generated between the workpiece and the extrusion body.
Further, go up the mould and still include the mounting panel, it is located the top of side cut terrace die to go up the mounting panel, goes up the mounting panel and is equipped with the connecting plate between the side cut terrace die, the connecting plate pass through countersunk screw I respectively with last mounting panel and side cut terrace die fixed connection, and the pole portion of countersunk screw I all towards the side cut terrace die.
Therefore, the upper mounting plate is connected with the trimming male die through the connecting plate, and the trimming male die is convenient to mount and replace.
Furthermore, the lower surface of the connecting plate is connected with an annular positioning plate, the axial contour dimension of the inner wall of the annular positioning plate corresponds to the axial contour dimension of the trimming male die, and the upper end of the trimming male die is positioned in the annular positioning plate.
Therefore, the upper end of the trimming male die is arranged in the annular positioning plate, so that the trimming male die can be quickly positioned to the connecting position of the connecting plate, and the trimming male die is conveniently connected with the connecting plate.
Furthermore, a plurality of counter bores are uniformly distributed on the upper surface of the upper mounting plate in the circumferential direction, connecting bolts are arranged in the counter bores, the rod parts of the connecting bolts can movably penetrate through the upper mounting plate to be positioned below the upper mounting plate, and the head parts of the connecting bolts are positioned in the counter bores; the outer movable sleeve of side cut terrace die is equipped with presses the flitch, press the flitch to be located the top of side cut die, and press the lower surface of flitch to be less than the lower surface of side cut terrace die, the end and the pressure flitch screw thread rigid coupling of connecting bolt's pole portion, the pole portion overcoat of bolt is equipped with coil spring, coil spring's both ends respectively with last mounting panel and press the flitch butt.
Therefore, when the trimming is carried out by punching, in the process of pressing down the upper die, the pressure plate contacts with the workpiece before the trimming convex die, the pressure plate presses the connecting skin and the flash of the workpiece, and the situation that the connecting skin and the flash move downwards along with the workpiece after being curled, so that the cutting failure is caused in the process of pressing down the workpiece by the trimming convex die is avoided; meanwhile, the spiral spring is compressed along with the downward pressing of the upper die, the pressing force of the pressing plate on the connecting skin or the flash of the workpiece is stronger, and the pressing reliability is ensured.
Furthermore, the lower die further comprises a lower mounting plate, the lower mounting plate is positioned below the trimming female die, a yielding hole penetrates through the lower mounting plate at a position corresponding to the blanking hole, and the size of the yielding hole is larger than that of the blanking hole; the lower surface circumference equipartition of lower mounting panel is equipped with a plurality of countersunk screw II, the vertical extrusion body that passes of pole portion of countersunk screw II and with blade body threaded connection, the lower surface of lower mounting panel is equipped with a plurality of shop bolts, shop bolt is vertical to be worn to locate in blade body, the extrusion body and the lower mounting panel.
Like this, the finished piece is after the punching press side cut process, and the accessible hole of stepping down freely falls, only needs place collecting box etc. in the below of mounting panel down, just can collect the finished piece that processing was accomplished fast, is convenient for transport to follow-up processing point, improves production efficiency.
Furthermore, the upper mounting plate is provided with a guide sleeve which vertically extends downwards, the lower mounting plate is provided with a guide post which vertically extends upwards, and the upper end of the guide post is positioned in the guide sleeve and is in sliding fit with the guide sleeve.
Like this, guide sleeve and guide post form guide structure between last mould and lower mould, play the stabilizing action to the up-and-down motion of last mould, avoid going up the mould and produce radial relative motion with the lower mould in the motion process, guarantee the precision of punching press side cut.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses in, the side cut die passes through the sword mouth body and extrudees the body and cuts the finished piece respectively and extrudees to the solution is in the punching press back of cutting edge, still need polish the processing so that the cutting plane is level and smooth and eliminate the problem of inclination to the finished piece, uses this punching press side cut mould can once only accomplish the cutting and the side surface extrusion of finished piece to be handled, has not only guaranteed the quality of product, has also improved production efficiency, has reduced manufacturing cost.
2. The utility model discloses in, follow on the pore wall of the sword body and link up through the reducing changeover portion between the pore wall of the sword body lower edge, avoid cutting the piece along with the finished piece fall into behind the sword body, the side surface of fish tail finished piece or cause the damage to the sword body, also reduce the friction between finished piece and the sword body, reduce the power consumption of whole punching press side cut process.
3. In the utility model, the pressure plate contacts with the workpiece before the trimming male die, and the connected skin and the flash of the workpiece are pressed, so that the situation that the cutting fails due to the fact that the connected skin and the flash move downwards along with the workpiece after curling in the process that the trimming male die presses the workpiece is avoided; meanwhile, the spiral spring is compressed along with the downward pressing of the upper die, the pressing force of the pressing plate on the connecting skin or the flash of the workpiece is stronger, and the pressing reliability is ensured.
Drawings
FIG. 1 is a partial schematic view of a current stamping and trimming die as compared to FIG. 2;
FIG. 2 is a schematic structural view of a stamping and trimming die according to an embodiment;
FIG. 3 is an enlarged view taken at A in FIG. 2;
the trimming die comprises a trimming die 1, a cutting edge body 11, an extruding body 12, a blanking hole 2, a cutting edge 21, a reducing transition section 22, an extruding section 23, a lower mounting plate 3, a abdicating hole 31, a countersunk screw II 32, a positioning pin 33, an upper mounting plate 4, a connecting plate 5, a countersunk screw I51, an annular positioning plate 52, a connecting bolt 61, a pressure plate 62, a spiral spring 63, a guide sleeve 71, a guide column 72, a trimming male die 8 and a workpiece 9.
Detailed Description
The following describes the present invention in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 2, the stamping and trimming die comprises an upper die and a lower die, wherein the lower die comprises a lower mounting plate 3 and a trimming female die 1, the trimming female die 1 comprises a cutting edge body 11 and an extruding body 12, the cutting edge body 11 is positioned above the extruding body 12, and the trimming female die 1 is provided with a blanking hole 2 which vertically penetrates through the cutting edge body 11 and the extruding body 12; the axial and circumferential directions described below refer to both the axial and circumferential directions of the blanking hole 2.
A cutting edge 21 for cutting is formed on the hole wall of the cutting edge body 11, and the projection contour dimension of the cutting edge 21 along the axial direction (i.e. the contour dimension of one circle along the circumferential direction) corresponds to the maximum dimension of the side contour of the product 9 (the maximum dimension is the process corresponding dimension, and the maximum dimension of the draft angle), i.e. the product 9 is cut and separated from the leather or flash along the maximum dimension of the side contour of the product 9; the size of following is greater than the size of following on the pore wall of sword mouthful body 11 under the pore wall of sword mouthful body 11, follows on the pore wall of blade body 11 and links up through reducing changeover portion 22 between following with the pore wall of sword mouthful body 11, reducing changeover portion 22 is gradual change tapering transition or arc transition, please see fig. 3, in this embodiment, reducing changeover portion 22 here is the tapering transition, and its purpose is to make and to have the clearance between the pore wall of piece 9 and blade body 11, after avoiding cutting piece to fall into sword body 11 along with piece 9, fish tail the side surface of piece 9 or cause the damage to sword body 11, improve product quality and the life of blade body 11.
The hole wall of the extrusion body 12 is provided with an extrusion section 23, the dimension of the profile of the extrusion section 23 along the axial direction is less than or equal to the minimum dimension of the profile of the side surface of the product 9 (the minimum dimension is the corresponding dimension of the working procedure, the minimum dimension of the draft angle and the dimension of a non-finished product), that is, the product 9 is extruded through a section of smooth hole wall with a small dimension, so that the draft angle of the side surface of the product 9 is eliminated;
the contour dimension of the hole wall of the extrusion body 12 along the axial direction is larger than or equal to the contour dimension of the cutting edge 21 along the axial direction, and the extrusion section 23 is connected with the upper edge of the hole wall of the extrusion body 12 through a reducing transition section 22; referring to fig. 3, in the present embodiment, the reducing transition section 22 is in taper transition, and the purpose is to play a role in transition between the extrusion section 23 and the lower edge of the hole wall of the cutting edge body 11, so that during the downward movement of the workpiece 9, the side surface of the workpiece 9 is guided to be gradually extruded and shrunk, and finally the elimination of the slope is completed through the extrusion section 23, and simultaneously the cutting trace is eliminated, thereby avoiding the damage or serious distortion of the workpiece 9 caused by the direct collision type extrusion of the workpiece 9 with the extrusion section 23 after passing through the cutting edge body 11.
The contour dimension of the lower edge of the hole wall of the extrusion body 12 along the axial direction is larger than or equal to the minimum dimension of the side contour of the part 9, and the extrusion section 23 is also connected with the lower edge of the hole wall of the extrusion body 12 through the reducing transition section 22; referring to fig. 3, in the embodiment, the reducing transition section 22 is in taper transition, so that the workpiece 9 can freely fall through the extruding body 12 after the extrusion is completed, the subsequent taking out or collection of the workpiece 9 is facilitated, the time for extruding the workpiece 9 is shortened, the energy consumption in the whole stamping and trimming process is reduced, and a large amount of friction heat is prevented from being generated between the workpiece 9 and the extruding body 12.
The lower mounting plate 3 is positioned below the trimming female die 1, a yielding hole 31 penetrates through the lower mounting plate 3 at a position corresponding to the blanking hole 2, and the size of the yielding hole 31 is larger than that of the blanking hole 2; the finished parts 9 can be quickly collected by only arranging a collecting box and the like below the abdicating hole 31.
A plurality of countersunk screws II 32 are uniformly distributed on the lower surface of the lower mounting plate 3 in the circumferential direction, the rod parts of the countersunk screws II 32 vertically penetrate through the extrusion body 12 and are in threaded connection with the cutting edge body 11, a plurality of positioning pins 33 are arranged on the lower surface of the lower mounting plate 3, and the positioning pins 33 vertically penetrate through the cutting edge body 11, the extrusion body 12 and the lower mounting plate 3; referring to fig. 2, in this embodiment, a plurality of counter bores are uniformly distributed in the circumferential direction on the lower surface of the lower mounting plate 3, through holes are formed in the extruding body 12 at positions corresponding to the counter bores, threaded holes are formed in the lower surface of the cutting edge body 11 at positions corresponding to the counter bores, a rod portion of a counter screw ii 32 penetrates out of the counter bores of the lower surface of the lower mounting plate 3 and passes through the through holes in the extruding body 12, the tail end of the rod portion of the counter screw ii 32 is in threaded connection with the threaded holes of the lower surface of the cutting edge body 11, the head portion of the counter screw ii 32 is located in the counter bores of the lower surface of the mounting plate, the cutting edge body 11 and the lower mounting plate 3 are tightened by screwing the counter screw ii 32, and the extruding body 12 is clamped between the cutting edge body 11 and the lower mounting plate 3; because the side profile of the part 9 is not necessarily a regular geometric body, the blanking holes 2 and the abdicating holes 31 on the trimming die 1 and the lower mounting plate 3 are not necessarily regular, so that the cutting edge body 11, the extruding body 12 and the lower mounting plate 3 can be aligned quickly in the installation process conveniently, a plurality of positioning holes are arranged on the cutting edge body 11, the extruding body 12 and the lower mounting plate 3, positioned by positioning pins 33 in the alignment process, and then connected by countersunk head screws II 32.
The upper die comprises an upper mounting plate 4 and a trimming male die 8, the trimming male die 8 is located right above the trimming female die 1, the trimming male die 8 can move vertically, the axial outline size of the trimming male die 8 is smaller than or equal to that of the extrusion section 23, namely the trimming male die 8 is prevented from colliding with the extrusion section 23 of the extrusion body 12 when the pressing piece 9 moves downwards.
The upper mounting plate 4 is positioned above the trimming male die 8, a connecting plate 5 is arranged between the upper mounting plate 4 and the trimming male die 8, the connecting plate 5 is respectively and fixedly connected with the upper mounting plate 4 and the trimming male die 8 through countersunk head screws I51, and the rod parts of the countersunk head screws I51 face the trimming male die 8; referring to fig. 2, in the present embodiment, counter bores are respectively formed in the upper surfaces of the upper mounting plate 4 and the connecting plate 5, threaded holes are formed in the connecting plate 5 and the trimming male die 8, the rod portions of the plurality of counter screws i 51 respectively penetrate through the counter bores of the upper mounting plate 4 and the connecting plate 5, and the tail ends of the rod portions of the plurality of counter screws i 51 are respectively in threaded connection with the threaded holes in the connecting plate 5 and the trimming male die 8, so that the trimming male die 8, the connecting plate 5 and the upper mounting plate 4 are fixedly connected together.
The lower surface of the connecting plate 5 is connected with an annular positioning plate 52, the axial contour dimension of the inner wall of the annular positioning plate 52 corresponds to the axial contour dimension of the trimming male die 8, and the upper end of the trimming male die 8 is located in the annular positioning plate 52.
A plurality of counter bores are uniformly distributed in the circumferential direction on the upper surface of the upper mounting plate 4, connecting bolts 61 are arranged in the counter bores, the rod parts of the connecting bolts 61 can movably penetrate through the upper mounting plate 4 to be below the upper mounting plate 4, and the head parts of the connecting bolts 61 are positioned in the counter bores;
the outer movable sleeve of side cut terrace die 8 is equipped with pressure flitch 62, pressure flitch 62 is located the top of side cut terrace die 1, and the lower edge that presses flitch 62 is less than the lower edge of side cut terrace die 8, the end of the pole portion of connecting bolt 61 with press flitch 62 thread rigid coupling, the pole portion overcoat of bolt is equipped with coil spring 63, the both ends of coil spring 63 respectively with last mounting panel 4 with press flitch 62 butt.
The upper mounting plate 4 is provided with a guide sleeve 71 extending vertically and downwardly, the lower mounting plate 3 is provided with a guide column 72 extending vertically and upwardly, and the upper end of the guide column 72 is positioned in the guide sleeve 71 and is in sliding fit with the guide sleeve 71.
The use process of the stamping and trimming die in the embodiment is as follows:
firstly, mounting the stamping and trimming die on a workbench, and connecting an upper die with a pressure end of a press; then the workpiece 9 with the flash or the connected skin is placed in the trimming concave die 1, and the connected skin or the flash of the workpiece 9 is positioned above the cutting edge 21 of the cutting edge body 11; then starting the press machine, wherein the pressure end of the press machine drives the upper die to move downwards, so that the material pressing plate 62 presses the connecting skin or the flash of the workpiece 9; the press machine drives the upper die to continuously press downwards, the trimming male die 8 is abutted against the upper surface of the workpiece 9, the workpiece 9 moves downwards, and the connecting skin or flash of the workpiece 9 is separated from the workpiece 9 under the cutting action of the cutting edge 21 of the cutting edge body 11; then the part 9 continues to move downwards under the drive of the trimming convex die 8, the reducing transition section 22 in the extruding body 12 guides and extrudes and deforms the part 9, the side face of the part 9 is contracted inwards, the part 9 passes through the extruding section 23 smoothly, and the extrusion on the part 9 is completed, so that the inclination of the part 9 caused by die drawing is eliminated, and meanwhile, cutting traces are removed.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (8)
1. The utility model provides a punching press side cut mould, includes mould and lower mould, the lower mould is including the side cut die, the side cut die has the vertical blanking hole that runs through, along forming the blade of cutting usefulness on the pore wall in blanking hole, go up the mould and include the side cut terrace die, the side cut terrace die is located the side cut die directly over, its characterized in that: the trimming female die comprises a cutting edge body and an extruding body, the cutting edge body is positioned above the extruding body, the blanking hole penetrates through the cutting edge body and the extruding body, and the cutting edge is formed on the upper edge of the hole wall of the blanking hole section in the cutting edge body;
the hole wall of the blanking hole section in the extruding body is provided with a convex extruding section, the contour dimension of the extruding section along the circumference circle is smaller than that of the cutting edge, and the contour dimension of the trimming convex die along the circumference circle is smaller than or equal to that of the extruding section.
2. The die of claim 1, wherein: the contour dimension of the lower edge of the hole wall of the cutting edge body is larger than that of the cutting edge, the cutting edge is connected with the lower edge of the hole wall of the cutting edge body through a reducing transition section, and the reducing transition section is in gradual taper transition or arc transition.
3. The die of claim 1, wherein: the extrusion section is positioned in the middle section of the hole wall of the extrusion body, the contour dimension of the upper edge of the hole wall of the extrusion body is larger than or equal to the contour dimension of the cutting edge, the extrusion section is connected with the upper edge of the hole wall of the extrusion body through a reducing transition section, and the reducing transition section is in gradual taper transition or arc transition; the contour dimension of the lower edge of the hole wall of the extrusion body is larger than that of the extrusion section, and the extrusion section is connected with the lower edge of the hole wall of the extrusion body through the reducing transition section.
4. The die of claim 1, wherein: the upper die further comprises an upper mounting plate, the upper mounting plate is located above the trimming male die, a connecting plate is arranged between the upper mounting plate and the trimming male die, the connecting plate is fixedly connected with the upper mounting plate and the trimming male die through a countersunk head screw I, and the rod part of the countersunk head screw I faces towards the trimming male die.
5. The die of claim 4, wherein: the lower surface of the connecting plate is connected with an annular positioning plate, the axial outline dimension of the inner wall of the annular positioning plate corresponds to the axial outline dimension of the trimming male die, and the upper end of the trimming male die is positioned in the annular positioning plate.
6. The die of claim 4, wherein: a plurality of counter bores are uniformly distributed on the upper surface of the upper mounting plate in the circumferential direction, connecting bolts are arranged in the counter bores, the rod parts of the connecting bolts can movably penetrate through the upper mounting plate to be positioned below the upper mounting plate, and the heads of the connecting bolts are positioned in the counter bores;
the outer movable sleeve of side cut terrace die is equipped with presses the flitch, press the flitch to be located the top of side cut die, and press the lower surface of flitch to be less than the lower surface of side cut terrace die, the end and the pressure flitch screw thread rigid coupling of connecting bolt's pole portion, the pole portion overcoat of bolt is equipped with coil spring, coil spring's both ends respectively with last mounting panel and press the flitch butt.
7. The die of claim 6, wherein: the lower die further comprises a lower mounting plate, the lower mounting plate is located below the trimming female die, a position, corresponding to the blanking hole, on the lower mounting plate is provided with a yielding hole in a penetrating mode, and the size of the yielding hole is larger than that of the blanking hole;
the lower surface circumference equipartition of lower mounting panel is equipped with a plurality of countersunk screw II, the vertical extrusion body that passes of pole portion of countersunk screw II and with blade body threaded connection, the lower surface of lower mounting panel is equipped with a plurality of shop bolts, shop bolt is vertical to be worn to locate in blade body, the extrusion body and the lower mounting panel.
8. The die of claim 7, wherein: the upper mounting plate is provided with a guide sleeve extending vertically downwards, the lower mounting plate is provided with a guide post extending vertically upwards, and the upper end of the guide post is positioned in the guide sleeve and is in sliding fit with the guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121677123.0U CN214814029U (en) | 2021-07-22 | 2021-07-22 | Stamping and trimming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121677123.0U CN214814029U (en) | 2021-07-22 | 2021-07-22 | Stamping and trimming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214814029U true CN214814029U (en) | 2021-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121677123.0U Active CN214814029U (en) | 2021-07-22 | 2021-07-22 | Stamping and trimming die |
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| CN (1) | CN214814029U (en) |
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2021
- 2021-07-22 CN CN202121677123.0U patent/CN214814029U/en active Active
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