CN221064087U - Precise circular cutting die for shell flanging - Google Patents
Precise circular cutting die for shell flanging Download PDFInfo
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- CN221064087U CN221064087U CN202322642265.9U CN202322642265U CN221064087U CN 221064087 U CN221064087 U CN 221064087U CN 202322642265 U CN202322642265 U CN 202322642265U CN 221064087 U CN221064087 U CN 221064087U
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- 238000005520 cutting process Methods 0.000 title claims abstract description 32
- 238000012546 transfer Methods 0.000 claims description 37
- 238000009957 hemming Methods 0.000 claims description 11
- 238000003754 machining Methods 0.000 claims 1
- 238000009966 trimming Methods 0.000 abstract description 24
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 238000012545 processing Methods 0.000 abstract description 9
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 101100491335 Caenorhabditis elegans mat-2 gene Proteins 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a precise circular cutting die for shell flanging, which comprises: lower take off the board and install in lower backing plate that takes off board upper surface for the processing of casing, the casing further includes: the straight line flanging part downwards bent from the edge of the 4 edges of the body and the corner flanging part downwards bent from the 4 corners of the body, the left side and the right side of the lower base plate are respectively and movably provided with a left knife edge insert and a right knife edge insert, the front side and the rear side of the lower base plate are respectively and movably provided with a front knife edge insert and a rear knife edge insert, and the outer sides of the 4 corners of the lower base plate are respectively and movably provided with a corner knife edge insert between any two adjacent knife edge inserts. The utility model realizes synchronous trimming of the flanging part on the whole circumference of the shell, not only improves the efficiency and the trimming precision, but also reduces the damage of cutting stress to products in the whole process, improves the trimming effect and the consistency of the trimming effect, and improves the processing quality.
Description
Technical Field
The utility model relates to a precise circular cutting die for shell flanging, and belongs to the field of electronic product processing.
Background
The trimming die is used for trimming the edge of the workpiece to be processed by using a die, so that the height, diameter and shape of the workpiece meet the requirements, and the next step of assembly is facilitated. Part of the notebook computer shell is formed by casting metal materials, burrs are easily formed on the flanging part of the cast shell, and trimming treatment is needed.
The prior art is when the side cut is handled, is cutting edge to a plurality of turn-ups portion in proper order generally, and side cut efficiency is lower, and if cut edge to the turn-ups portion around the casing simultaneously, the casing is easily by side cut stress damage, image side cut effect and the processingquality of casing.
Disclosure of utility model
The utility model aims to provide a precise circular cutting die for a shell flanging, which realizes synchronous trimming of a flanging part in the whole circumferential direction of a shell, improves efficiency and trimming precision, reduces damage of cutting stress to a product in the whole process, improves trimming effect and consistency of trimming effect, and improves processing quality.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a precision circular cutting die for shell hemming, comprising: lower take off the board and install in lower backing plate that takes off board upper surface for the processing of casing, the casing further includes: the device comprises a body, a straight flanging part downwards bent from the edge of 4 sides of the body and corner flanging parts downwards bent from 4 corners of the body, wherein a left knife edge insert and a right knife edge insert are respectively movably arranged on the left side and the right side of a lower base plate, a front knife edge insert and a rear knife edge insert are respectively movably arranged on the front side and the rear side of the lower base plate, a corner knife edge insert is movably arranged outside 4 corners of the lower base plate and between any two adjacent knife edge inserts, the left knife edge insert, the right knife edge insert, the front knife edge insert and the rear knife edge insert which are respectively arranged corresponding to 4 straight flanging parts on a shell can be respectively close to or far away from the lower base plate in parallel, and an included angle formed between the moving direction of each corner knife edge insert which is arranged corresponding to the corner flanging part on the shell and the moving direction of the adjacent knife edge insert is 45 degrees;
The upper surface of the lower backing plate is provided with a mounting through hole, the upper end of a slotting tool capable of moving in the vertical direction penetrates through the lower stripper plate and is embedded into the mounting through hole, the upper end of the slotting tool is provided with 4 first inclined planes which are respectively arranged towards a left knife edge insert, a right knife edge insert, a front knife edge insert and a rear knife edge insert, at least one transfer block which is movably arranged on the lower backing plate is arranged between each first inclined plane and the corresponding knife edge insert, the end face of each one end of each transfer block is attached to the corresponding knife edge insert surface, the lower part of each other end of each transfer block is provided with a second inclined plane which is correspondingly matched with the first inclined plane, the second inclined planes are in sliding contact with the first inclined planes positioned below the second inclined planes, and the lower parts of the first inclined planes and the second inclined planes extend towards the directions close to the corresponding knife edge inserts;
The end face of the corner knife edge insert arranged in an L shape, which faces the corner of the lower backing plate, is provided with a third inclined surface area and a fourth inclined surface area, two ends of each knife edge insert are respectively provided with a driving inclined surface area which is in sliding contact with the third inclined surface area or the fourth inclined surface area, and knife edges of the corner knife edge inserts are positioned on the outer sides of the upper knife edges of the knife edge inserts, which are opposite to the lower backing plate.
The further improved scheme in the technical scheme is as follows:
1. In the above scheme, a notch groove is formed in the end face of each of the two ends of the knife edge insert, one side inner surface of the notch groove is formed in the driving inclined surface area, and the other side inner surface of the notch groove is parallel to the end face of the knife edge insert.
2. In the scheme, the two end faces of the corner knife edge insert are respectively arranged in parallel with the end faces of the adjacent knife edge inserts.
3. In the above scheme, the third inclined plane area and the fourth inclined plane area are symmetrically arranged with respect to the central axis of the moving direction of the corner knife edge insert.
4. In the scheme, the installation through holes are arranged in number of 2, and are arranged at intervals along the length direction of the lower backing plate.
5. In the scheme, 1 transfer block is arranged between each of the left knife edge insert and the right knife edge insert and the slotting tool, and 2 transfer blocks are arranged between each of the front knife edge insert and the rear knife edge insert and the slotting tool.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
The utility model relates to a precise circular cutting die for shell flanging, which is provided with a left knife edge insert, a right knife edge insert, a front knife edge insert and a rear knife edge insert which are arranged corresponding to 4 straight line flanging parts on a shell, wherein the left knife edge insert, the right knife edge insert, the front knife edge insert and the rear knife edge insert can respectively and parallelly approach to or separate from a lower base plate, an included angle formed between the moving direction of each corner knife edge insert which is arranged corresponding to the corner flanging part on the shell and the moving direction of an adjacent knife edge insert is 45 DEG, the upper surface of the lower base plate is provided with a mounting through hole, the upper end of a slotting tool which can move in the vertical direction passes through a lower stripper plate and is embedded into the mounting through hole, the upper end of the slotting tool is provided with 4 first inclined surfaces which are respectively arranged towards the left knife edge insert, the right knife edge insert, the front knife edge insert and the rear knife edge insert, at least one transfer block which is movably arranged on the lower base plate is arranged between each first inclined surface and the corresponding knife insert, the end face of each end of each transfer block is jointed with the corresponding knife edge insert surface, the lower part of each other end is provided with a second inclined surface which is correspondingly matched with the first inclined surface, the second inclined surface is in sliding contact with the first inclined surface positioned below the second inclined surface, the lower parts of the first inclined surface and the second inclined surface are respectively extended towards the direction close to the corresponding knife edge inserts, the end face of the L-shaped corner knife insert which is arranged towards the corner of the lower backing plate is provided with a third inclined surface area and a fourth inclined surface area, the two ends of each knife edge insert are respectively provided with a driving inclined surface area which is in sliding contact with the third inclined surface area or the fourth inclined surface area, the knife edge of the corner knife insert is positioned at the outer side of each knife edge insert opposite to the lower backing plate, the knife edge inserts with 4 straight edges are driven to synchronously move outwards through one-time upward movement of the slotting tool, and simultaneously the knife edges with the 4 corners of the flanging part on the whole circumference of the shell are synchronously cut edges from the 4 corners to the 4 straight edges, the efficiency and the trimming precision are improved, the damage of cutting stress to products can be reduced in the whole process, the trimming effect and the consistency of the trimming effect are improved, and the processing quality is improved.
Drawings
FIG. 1 is a schematic structural view of a precision circular cutting die for shell hemming;
FIG. 2 is a schematic view showing the structural disassembly of the precise circular cutting die for the shell flanging of the utility model;
FIG. 3 is a schematic view of a part of a precision circular cutting die for shell hemming according to the present utility model;
FIG. 4 is an enlarged schematic view of FIG. 3 at A;
FIG. 5 is a schematic view of the corner knife edge insert of the circular cutting die in an unstressed state.
In the above figures: 100. a housing; 101. a body; 102. a straight flange portion; 103. corner flanging parts; 1. a lower stripper plate; 2. a lower backing plate; 31. a left knife edge insert; 32. a right knife edge insert; 41. a front knife edge insert; 42. a rear knife edge insert; 5. mounting through holes; 6. a slotting tool; 71. a first inclined surface; 72. a second inclined surface; 8. a transfer block; 9. a chute; 10. a lower cover plate; 11. a mounting groove; 12. a slide rail; 13. corner knife edge inserts; 131. a third bevel region; 132. a fourth sloped region; 14. a driving bevel area; 15. notch groove.
Description of the embodiments
The present patent will be further understood by the specific examples given below, which are not intended to be limiting.
Example 1: a precision circular cutting die for shell hemming, comprising: a lower stripper plate 1 and a lower backing plate 2 mounted on the upper surface of the lower stripper plate 1 for processing the housing 100, the housing 100 further comprises: the lower backing plate comprises a body 101, straight flanging parts 102 bent downwards from the edges of 1014 sides of the body and corner flanging parts 103 bent downwards from 4 corners of the body 101, wherein a left knife edge insert 31 and a right knife edge insert 32 are respectively and movably arranged on the left side and the right side of the lower backing plate 2, a front knife edge insert 41 and a rear knife edge insert 42 are respectively and movably arranged on the front side and the rear side of the lower backing plate 2, a corner knife edge insert 13 is movably arranged outside 24 corners of the lower backing plate and between any two adjacent knife edge inserts, the left knife edge insert 31, the right knife edge insert 32, the front knife edge insert 41 and the rear knife edge insert 42 which are respectively arranged corresponding to 4 straight flanging parts 102 on the housing 100 can be respectively and parallelly close to or far away from the lower backing plate 2, and an included angle formed between the moving direction of each corner flanging part 13 which is arranged corresponding to the corner flanging parts 103 on the housing 100 and the moving direction of the adjacent knife edge inserts is 45 degrees;
The upper surface of the lower backing plate 2 is provided with a mounting through hole 5, the upper end of a slotting tool 6 capable of moving in the vertical direction passes through the lower stripper plate 1 and is embedded into the mounting through hole 5, the upper end of the slotting tool 6 is provided with 4 first inclined planes 71 which are respectively arranged towards the left knife edge insert 31, the right knife edge insert 32, the front knife edge insert 41 and the rear knife edge insert 42, at least one transfer block 8 movably mounted on the lower backing plate 2 is arranged between each first inclined plane 71 and the corresponding knife edge insert, the end face of each end of each transfer block 8 is attached to the corresponding knife edge insert surface, the lower part of each other end of each transfer block is provided with a second inclined plane 72 which is correspondingly matched with the first inclined plane 71, the second inclined planes 72 are in sliding contact with the first inclined planes 71 positioned below the second inclined planes, and the lower parts of the first inclined planes 71 and the second inclined planes 72 extend towards the directions close to the corresponding knife edge inserts;
The end face of the corner knife edge insert 13 facing the corner of the lower backing plate 2 is provided with a third inclined surface area 131 and a fourth inclined surface area 132, two ends of each knife edge insert are respectively provided with a driving inclined surface area 14 which is in sliding contact with the third inclined surface area 131 or the fourth inclined surface area 132, and the knife edge of the corner knife edge insert 13 is positioned on the outer side of each knife edge insert, opposite to the upper knife edge of the lower backing plate 2;
In the initial state, the slotting tool capable of moving up and down under the drive of the driving mechanism (such as a cylinder) is positioned at the lowest end of the stroke, at this time, the knife edge inserts in 4 directions are respectively kept tightly attached to the corresponding transmission blocks under the action of the springs and are simultaneously attached to the side surfaces of the lower base plate, and the knife edge inserts in 4 corners are respectively attached to the driving bevel areas on the corresponding knife edge inserts under the action of the springs;
After the primary trimming is finished, the slotting tool is driven to move downwards for resetting, each knife edge insert and the corresponding transfer block are reset under the action of the spring, and the knife edge inserts and the corresponding transfer blocks always keep surface fit in the whole process;
And finally, taking away the shell after finishing the trimming operation, installing the next shell to be trimmed, and sequentially circulating.
The end surfaces of the two ends of each knife edge insert are respectively provided with a notch groove 15, the inner side surface of one side of each notch groove 15 is formed into the driving inclined surface area 14, and the inner side surface of the other side is parallel to the end surfaces of the knife edge inserts.
The two end surfaces of the corner knife edge insert 13 are respectively arranged in parallel with the end surfaces adjacent to the knife edge insert.
The third inclined surface area 131 and the fourth inclined surface area 132 are symmetrically arranged with respect to the central axis of the moving direction of the corner knife edge insert 13.
The number of the installation through holes 5 is 2, and the installation through holes are arranged at intervals along the length direction of the lower base plate 2.
1 Transfer block 8 is arranged between each of the left knife edge insert 31 and the right knife edge insert 32 and the slotting tool 6, and 2 transfer blocks 8 are arranged between each of the front knife edge insert 41 and the rear knife edge insert 42 and the slotting tool 6.
Example 2: a precision circular cutting die for shell hemming, comprising: a lower stripper plate 1 and a lower backing plate 2 mounted on the upper surface of the lower stripper plate 1 for processing the housing 100, the housing 100 further comprises: the lower backing plate comprises a body 101, straight flanging parts 102 bent downwards from the edges of 1014 sides of the body and corner flanging parts 103 bent downwards from 4 corners of the body 101, wherein a left knife edge insert 31 and a right knife edge insert 32 are respectively and movably arranged on the left side and the right side of the lower backing plate 2, a front knife edge insert 41 and a rear knife edge insert 42 are respectively and movably arranged on the front side and the rear side of the lower backing plate 2, a corner knife edge insert 13 is movably arranged outside 24 corners of the lower backing plate and between any two adjacent knife edge inserts, the left knife edge insert 31, the right knife edge insert 32, the front knife edge insert 41 and the rear knife edge insert 42 which are respectively arranged corresponding to 4 straight flanging parts 102 on the housing 100 can be respectively and parallelly close to or far away from the lower backing plate 2, and an included angle formed between the moving direction of each corner flanging part 13 which is arranged corresponding to the corner flanging parts 103 on the housing 100 and the moving direction of the adjacent knife edge inserts is 45 degrees;
The upper surface of the lower backing plate 2 is provided with a mounting through hole 5, the upper end of a slotting tool 6 capable of moving in the vertical direction passes through the lower stripper plate 1 and is embedded into the mounting through hole 5, the upper end of the slotting tool 6 is provided with 4 first inclined planes 71 which are respectively arranged towards the left knife edge insert 31, the right knife edge insert 32, the front knife edge insert 41 and the rear knife edge insert 42, at least one transfer block 8 movably mounted on the lower backing plate 2 is arranged between each first inclined plane 71 and the corresponding knife edge insert, the end face of each end of each transfer block 8 is attached to the corresponding knife edge insert surface, the lower part of each other end of each transfer block is provided with a second inclined plane 72 which is correspondingly matched with the first inclined plane 71, the second inclined planes 72 are in sliding contact with the first inclined planes 71 positioned below the second inclined planes, and the lower parts of the first inclined planes 71 and the second inclined planes 72 extend towards the directions close to the corresponding knife edge inserts;
The end face of the corner knife edge insert 13 facing the corner of the lower backing plate 2 is provided with a third inclined surface area 131 and a fourth inclined surface area 132, two ends of each knife edge insert are respectively provided with a driving inclined surface area 14 which is in sliding contact with the third inclined surface area 131 or the fourth inclined surface area 132, and the knife edge of the corner knife edge insert 13 is positioned on the outer side of each knife edge insert, opposite to the upper knife edge of the lower backing plate 2;
The shell to be trimmed is arranged on the lower cover plate, so that the flanging part on the shell is correspondingly positioned at the outer side of the knife edge insert, and at the moment, the lower end surface of the flanging part is lower than the knife edge on the knife edge insert and is close to the knife edge;
The fixed stroke of upward movement of the slotting tool is driven, in the process, a first inclined plane which is in sliding fit with a second inclined plane on the transfer block on the slotting tool simultaneously pushes the transfer block in 4 directions upwards, and under the limit of a chute and a lower cover plate, the transfer block cannot move upwards, so that only a knife edge insert corresponding to the transfer block can be pushed to move horizontally to the outer side far away from a lower base plate, and the movement of any two adjacent knife edge inserts can push the corner knife edge insert between the two adjacent knife edge inserts to move horizontally to the outer side, thereby realizing the edge cutting operation on the corner of the flanging part of the shell;
Continuing to mold, the corner knife edge insert is not forced to move any more, and the left knife edge insert, the right knife edge insert, the front knife edge insert and the rear knife edge insert are driven by the transmission block to move horizontally outwards, so that the edge cutting operation on the straight edge of the flanging part of the metal shell is realized;
The straight edge of the flanging part is cut after the corner of the flanging part with larger structural strength is cut, so that the smoothness of cutting and the smoothness of the cut can be improved, the damage of cutting stress to a product can be reduced, and the quality of the product after the edge cutting is finished can be improved.
The end surfaces of the two ends of each knife edge insert are respectively provided with a notch groove 15, the inner side surface of one side of each notch groove 15 is formed into the driving inclined surface area 14, and the inner side surface of the other side is parallel to the end surfaces of the knife edge inserts.
The number of the installation through holes 5 is 2, and the installation through holes are arranged at intervals along the length direction of the lower base plate 2.
Each installation through hole 5 is embedded with a slotting tool 6, and each slotting tool 6 is provided with 3 first inclined planes 71 which are arranged towards the knife edge insert.
The transfer blocks 8 are T-shaped transfer blocks, and the long side end face of each transfer block 8 is attached to the knife edge insert face.
The upper surface of the lower base plate 2 is provided with a plurality of sliding grooves 9 for embedding the transmission blocks 8, and the upper surface of the transmission blocks 8 which are in sliding fit with the inner walls of the sliding grooves 9 is flush with the upper surface of the lower base plate 2 or slightly lower than the upper surface of the lower base plate 2.
A lower cover plate 10 is mounted above the lower mat 2, and the lower surface of the lower cover plate 10 is bonded to the upper surface of the lower mat 2.
The left knife edge insert 31, the right knife edge insert 32, the front knife edge insert 41 and the rear knife edge insert 42 are respectively arranged on the lower stripper plate 1 through at least 2 slide rails 12.
Each of the left knife edge insert 31, the right knife edge insert 32, the front knife edge insert 41 and the rear knife edge insert 42 is provided with a limiting block (not shown in the drawing), a plurality of springs (not shown in the drawing) are arranged between each limiting block and the corresponding knife edge insert at intervals along the length direction of the knife edge insert, and the springs in a compressed state enable the knife edge inserts to be in extrusion contact with the corresponding transfer blocks 8.
The left knife edge insert 31, the right knife edge insert 32, the front knife edge insert 41 and the rear knife edge insert 42 are respectively provided with a plurality of mounting grooves 11 for embedding one end of the spring on the surface of one side of the lower backing plate 2 opposite to each other.
The working principle of the utility model is as follows:
Burrs are easily formed on the flanging part of the shell obtained through casting, and the structural size cannot meet the requirement of subsequent assembly, so that the lower part of the flanging part formed around the shell is required to be subjected to trimming treatment, the residual burrs can be removed, and the requirement of the structural size can be accurately met;
In the initial state, the slotting tool capable of moving up and down under the drive of the driving mechanism (such as a cylinder) is positioned at the lowest end of the stroke, at this time, the knife edge inserts in 4 directions are respectively kept tightly attached to the corresponding transmission blocks under the action of the springs and are simultaneously attached to the side surfaces of the lower base plate, and the knife edge inserts in 4 corners are respectively attached to the driving bevel areas on the corresponding knife edge inserts under the action of the springs;
The shell to be trimmed is arranged on the lower cover plate, so that the flanging part on the shell is correspondingly positioned at the outer side of the knife edge insert, and at the moment, the lower end surface of the flanging part is lower than the knife edge on the knife edge insert and is close to the knife edge;
The fixed stroke of upward movement of the slotting tool is driven, in the process, a first inclined plane which is in sliding fit with a second inclined plane on the transfer block on the slotting tool simultaneously pushes the transfer block in 4 directions upwards, and under the limit of a chute and a lower cover plate, the transfer block cannot move upwards, so that only a knife edge insert corresponding to the transfer block can be pushed to move horizontally to the outer side far away from a lower base plate, and the movement of any two adjacent knife edge inserts can push the corner knife edge insert between the two adjacent knife edge inserts to move horizontally to the outer side, thereby realizing the edge cutting operation on the corner of the flanging part of the shell;
Continuing to mold, the corner knife edge insert is not forced to move any more, and the left knife edge insert, the right knife edge insert, the front knife edge insert and the rear knife edge insert are driven by the transmission block to move horizontally outwards, so that the edge cutting operation on the straight edge of the flanging part of the metal shell is realized;
After the primary trimming is finished, the slotting tool is driven to move downwards for resetting, each knife edge insert and the corresponding transfer block are reset under the action of the spring, and the knife edge inserts and the corresponding transfer blocks always keep surface fit in the whole process;
And finally, taking away the shell after finishing the trimming operation, installing the next shell to be trimmed, and sequentially circulating.
It should be noted that, in the trimming operation process, the clamping assembly is required to be assisted to limit the cover plate, and a mature scheme in the prior art is not repeated here.
When the precise circular cutting die for the shell flanging is adopted, the cutter edge inserts of the 4 straight edges are driven to synchronously move outwards through one-time upward movement of the slotting cutter, and meanwhile, the cutter edges of the 4 corners are driven to synchronously move outwards as follows, so that the synchronous trimming from the 4 corners to the 4 straight edges of the flanging part in the whole circumference of the shell is realized, the efficiency and the trimming precision are improved, the damage of cutting stress to products can be reduced in the whole process, the trimming effect and the consistency of the trimming effect are improved, and the processing quality is improved.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (6)
1. A precision circular cutting die for shell hemming, comprising: lower take off board (1) and install in lower backing plate (2) of lower take off board (1) upper surface, its characterized in that: for the machining of a housing (100), the housing (100) further comprising: the straight line flanging part (102) downwards bent from the edges of 4 sides of the body (101) and the corner flanging part (103) downwards bent from 4 corners of the body (101), the left side and the right side of the lower base plate (2) are respectively and movably provided with a left knife edge insert (31) and a right knife edge insert (32), the front side and the rear side of the lower base plate (2) are respectively and movably provided with a front knife edge insert (41) and a rear knife edge insert (42), the outer sides of 4 corners of the lower base plate (2) and between any two adjacent knife edge inserts are respectively and movably provided with a corner knife edge insert (13), the left knife edge insert (31), the right knife edge insert (32), the front knife edge insert (41) and the rear knife edge insert (42) which are correspondingly arranged with the 4 straight line flanging part (102) on the shell (100) can be respectively and parallelly close to or far away from the lower base plate (2), and an included angle is formed between the moving direction of each corner insert (13) which is correspondingly arranged on the shell (100) and the adjacent knife edge insert;
The upper surface of the lower base plate (2) is provided with a mounting through hole (5), the upper end of a slotting tool (6) capable of moving in the vertical direction passes through the lower release plate (1) and is embedded into the mounting through hole (5), the upper end of the slotting tool (6) is provided with 4 first inclined planes (71) which are respectively arranged towards the left edge insert (31), the right edge insert (32), the front edge insert (41) and the rear edge insert (42), at least one transfer block (8) movably mounted on the lower base plate (2) is arranged between each first inclined plane (71) and the corresponding edge insert, the end face of each one end of each transfer block (8) is attached to the corresponding edge insert surface, the lower part of each other end of each transfer block is provided with a second inclined plane (72) which is correspondingly matched with the first inclined plane (71), the second inclined planes (72) are in sliding contact with the first inclined planes (71) which are positioned below the second inclined planes (72), and the lower parts of each first inclined planes (71) and the second inclined planes (72) are respectively extended towards the directions of the corresponding edges which are close to the corresponding edge inserts;
the end face, facing the corner of the lower base plate (2), of the corner knife edge insert (13) is provided with a third inclined surface area (131) and a fourth inclined surface area (132), two ends of each knife edge insert are respectively provided with a driving inclined surface area (14) in sliding contact with the third inclined surface area (131) or the fourth inclined surface area (132), and knife edges of the corner knife edge insert (13) are positioned on the outer sides of the upper knife edges of the knife edge inserts, which are opposite to each other, of the lower base plate (2).
2. The precision circular cutting die for shell hemming according to claim 1 wherein: the end surfaces of the two ends of each knife edge insert are provided with a notch groove (15), one inner side surface of the notch groove (15) is formed into the driving inclined surface area (14), and the other inner side surface of the notch groove is parallel to the end surfaces of the knife edge inserts.
3. The precision circular cutting die for shell hemming according to claim 2 wherein: the two end faces of the corner knife edge insert (13) are respectively arranged in parallel with the end faces of the adjacent knife edge inserts.
4. The precision circular cutting die for shell hemming according to claim 1 wherein: the third inclined surface area (131) and the fourth inclined surface area (132) are symmetrically arranged relative to the central axis of the moving direction of the corner knife edge insert (13).
5. The precision circular cutting die for shell hemming according to claim 1 wherein: the mounting through holes (5) are arranged in number of 2 and are arranged at intervals along the length direction of the lower base plate (2).
6. The precision circular cutting die for shell hemming according to claim 1 wherein: 1 transfer block (8) is arranged between each of the left knife edge insert (31) and the right knife edge insert (32) and the slotting tool (6), and 2 transfer blocks (8) are arranged between each of the front knife edge insert (41) and the rear knife edge insert (42) and the slotting tool (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322642265.9U CN221064087U (en) | 2023-09-28 | 2023-09-28 | Precise circular cutting die for shell flanging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322642265.9U CN221064087U (en) | 2023-09-28 | 2023-09-28 | Precise circular cutting die for shell flanging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221064087U true CN221064087U (en) | 2024-06-04 |
Family
ID=91258003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322642265.9U Active CN221064087U (en) | 2023-09-28 | 2023-09-28 | Precise circular cutting die for shell flanging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221064087U (en) |
-
2023
- 2023-09-28 CN CN202322642265.9U patent/CN221064087U/en active Active
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