CN220697976U - Cutting die for folding edges of notebook shell - Google Patents
Cutting die for folding edges of notebook shell Download PDFInfo
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- CN220697976U CN220697976U CN202322197344.3U CN202322197344U CN220697976U CN 220697976 U CN220697976 U CN 220697976U CN 202322197344 U CN202322197344 U CN 202322197344U CN 220697976 U CN220697976 U CN 220697976U
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- 238000005520 cutting process Methods 0.000 title claims abstract description 26
- 238000012546 transfer Methods 0.000 claims description 26
- 238000009957 hemming Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000003754 machining Methods 0.000 claims description 3
- 238000009966 trimming Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 238000012545 processing Methods 0.000 abstract description 8
- 230000001360 synchronised effect Effects 0.000 abstract description 8
- 230000009471 action Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model discloses a cutting die for folding edges of a notebook shell, which comprises: the upper template, the upper mounting plate and the lower template which are arranged on the lower surface of the upper template and the lower mounting plate which is arranged on the upper surface of the lower template are used for processing a shell, a left knife edge insert and a right knife edge insert are respectively arranged on the left side and the right side of the lower backing plate, a front knife edge insert and a rear knife edge insert are respectively arranged on the front side and the rear side of the lower backing plate, at least two sliding grooves are respectively arranged on the lower surface of each knife edge insert, the lower part of the sliding rail which is perpendicular to the side surface of the lower backing plate passes through the corresponding mounting through hole and is connected with the lower stop plate arranged below the lower stripper plate, so that the synchronous outward movement of the knife edge inserts in four directions is realized, synchronous trimming is realized, the position precision of each knife edge insert in the moving process is ensured, and the precision and the efficiency of trimming processing are improved.
Description
Technical Field
The utility model relates to a cutting die for folding edges of a notebook shell, and belongs to the field of electronic product processing.
Background
Some notebook computer cases are made of metal, and the structure includes a middle plate surface and surrounding vertical surfaces, so that the thickness of the case can be made thin for realizing light and thin. When producing the casing through the casting, the problem of size and burr appear easily in the turn-over position of casing, usually need carry out the operation of side cut just can satisfy the production requirement.
When the problem of the size deviation and the burr of the turning part of the shell is processed, the cutting efficiency is low by cutting the multiple turning parts of the shell in sequence, and the operation positions of the cutting edges of the turning parts are different, so that the inconsistent effect is easy to occur, and the processing precision is affected.
Disclosure of Invention
The utility model aims to provide a cutting die for a folding edge of a notebook shell, which not only realizes synchronous outward movement of knife edge inserts in four directions and synchronous trimming, but also ensures the position precision of each knife edge insert in the moving process and improves the trimming precision and efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a notebook shell hemming cutting die comprising: the upper surface of upper mounting plate, installing in the upper mounting plate of cope match-plate pattern lower surface, lower bolster and installing in the lower mounting plate of lower bolster upper surface, install an upper knife edge board on the lower surface of upper mounting plate, the interval is provided with down and takes off the board directly over the lower mounting plate, upper surface mid-mounting has a lower backing plate lower surface and lower mounting plate between through a plurality of spring coupling that takes off down, a guide post is respectively installed to two at least corners of lower mounting plate, vertical extension the upper end of guide post passes down takes off the board and with slidable embedding install in the guide pin bushing on the upper knife edge board for the processing of casing, the casing further includes: the body and the flanging part downwards bends from the peripheral edge of the body;
the left side and the right side of the lower backing plate are respectively provided with a left knife edge insert and a right knife edge insert, the front side and the rear side of the lower backing plate are respectively provided with a front knife edge insert and a rear knife edge insert, the lower surface of each knife edge insert is provided with at least two sliding grooves, the upper surface of the lower stripping plate is correspondingly provided with a first mounting through hole under each sliding groove, the lower part of a sliding rail which is vertical to the side surface of the lower backing plate passes through the corresponding first mounting through hole and is connected with a lower stop plate which is arranged under the lower stripping plate, and the upper part of the sliding rail is correspondingly embedded into the sliding grooves and is in sliding fit with the sliding grooves, so that the left knife edge insert, the right knife edge insert, the front knife edge insert and the rear knife edge insert can be respectively parallel to or far away from the lower backing plate;
the upper surface of the lower backing plate is provided with a second mounting through hole, the upper end of a slotting tool with the lower end connected with the lower mounting plate penetrates through the lower stripper plate and is embedded into the second 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 movably mounted 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 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 further improved scheme in the technical scheme is as follows:
1. in the scheme, the sections of the sliding groove and the sliding rail are T-shaped.
2. In the scheme, the sliding rail is fixedly connected with the lower stop plate through the countersunk head screw.
3. In the above scheme, a through hole is formed on the lower surface of the upper knife edge plate and positioned on the outer sides of the left knife edge insert, the right knife edge insert, the front knife edge insert and the rear knife edge insert, so that a circumferential knife edge is formed at the edge of the lower end of the through hole, an upper cover plate used for being in contact with the upper surface of the shell is embedded and installed at the upper part of the through hole, a lower cover plate is arranged under the upper cover plate, and the lower surface of the lower cover plate, which is used for being in contact with the lower surface of the shell, is installed on the lower base plate.
4. In the scheme, the guide posts are arranged in 4, and are respectively positioned at 4 corners of the lower mounting plate.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the upper surface of a lower backing plate of the cutting die for the notebook shell flanging is provided with a second mounting through hole, the upper end of a slotting tool, the lower end of which is connected with a lower mounting plate, passes through a lower stripper plate and is embedded into the second 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 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 plane is in sliding contact with the first inclined plane positioned below the second inclined plane, and the lower parts of the first inclined plane and the second inclined plane extend towards the directions close to the corresponding knife edge inserts, and the slotting tool is driven to move upwards relative to the lower short plate by one-time mold clamping, so that synchronous outward movement of the inserts in four directions is realized, and synchronous edge cutting of four flanging parts on the shell is realized, the efficiency is improved, the edge cutting precision and the edge quality is improved; further, at least two sliding grooves are formed in the lower surface of each knife edge insert, a first mounting through hole is correspondingly formed in the upper surface of the lower release plate and located right below each sliding groove, the lower portion of a sliding rail perpendicular to the side surface of the lower base plate penetrates through the corresponding first mounting through hole and is connected with a lower stop plate arranged below the lower release plate, the upper portion of the sliding rail is correspondingly embedded into the sliding grooves and is in sliding fit with the sliding grooves, the left knife edge insert, the right knife edge insert, the front knife edge insert and the rear knife edge insert can be parallel to or far away from the lower base plate respectively, the plane position of the sliding rail is fixed through the first mounting through hole in the lower base plate, the upper position and the lower position of the sliding rail are fixed through the lower stop plate, and therefore the position precision of each knife edge insert in sliding fit with the sliding rail in the moving process is guaranteed, and the edge cutting machining precision is improved.
Drawings
FIG. 1 is a schematic structural view of a cutting die for hemming a notebook housing of the present utility model;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged schematic view of FIG. 2 at B;
FIG. 4 is a schematic diagram showing the partial structural disassembly of a cutting die for folding a notebook computer casing;
FIG. 5 is a schematic diagram II of the partial structure detachment of the cutting die for the hemming of the notebook computer casing;
fig. 6 is an enlarged schematic view at C in fig. 5.
In the above figures: 100. a housing; 101. a body; 102. a burring part; 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. a second mounting through hole; 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 mounting groove; 131. a sliding groove; 132. a slide rail; 14. a first mounting through hole; 15. a lower stop plate; 16. a lower mounting plate; 17. an upper knife edge plate; 171. a circumferential knife edge; 181. a guide post; 182. guide sleeve; 19. an upper cover plate; 20. a convex strip; 21. an upper template; 22. an upper mounting plate; 23. and (5) a lower template.
Detailed Description
The present patent will be further understood by the specific examples given below, which are not intended to be limiting.
Example 1: a notebook shell hemming cutting die comprising: the upper die plate 21, install the upper mounting plate 22, lower bolster 23 and install the lower mounting plate 16 on the upper surface of lower bolster 23 of upper die plate 21, install an upper knife edge board 17 on the lower surface of upper mounting plate 22, the interval is provided with down take off board 1 directly over lower mounting plate 16, upper surface mid-mounting has a lower backing plate 2 down take off between board 1's the lower surface and the lower mounting plate 16 through a plurality of springs connection, a guide post 181 is installed respectively in at least two corners of lower mounting plate 16, vertical extension the upper end of guide post 181 passes down take off board 1 and with slidable embedding in the guide pin bushing 182 of installing on upper knife edge board 17 for the processing of casing 100, casing 100 further includes: the body 101 and a flanging part 102 bent downwards from the peripheral edge of the body 101;
the left side and the right side of the lower backing plate 2 are respectively 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 backing plate 2 are respectively provided with a front knife edge insert 41 and a rear knife edge insert 42, the lower surface of each knife edge insert is provided with at least two sliding grooves 131, the upper surface of the lower stripping plate 1 is positioned right below each sliding groove 131 and is correspondingly provided with a first mounting through hole 14, the lower part of a sliding rail 132 which is arranged perpendicular to the side surface of the lower backing plate 2 passes through the corresponding first mounting through hole 14 and is connected with a lower stop plate 15 which is arranged below the lower stripping plate 1, and the upper part of the sliding rail 132 is correspondingly embedded into the sliding grooves 131 and is in sliding fit with the sliding grooves 131, so that 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 can be respectively close to or far away from the lower backing plate 2 in parallel;
the upper surface of the lower backing plate 2 is provided with a second mounting through hole 5, the upper end of a slotting tool 6 with the lower end connected with the lower mounting plate 16 penetrates through the lower stripper plate 1 and is embedded into the second 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 cross sections of the sliding grooves 131 and the sliding rails 132 are T-shaped.
The sliding rail 132 is fixedly connected with the lower stop plate 15 through countersunk screws.
A through hole is formed on the lower surface of the upper blade plate 17 and located at the outer sides of the left blade insert 31, the right blade insert 32, the front blade insert 41 and the rear blade insert 42, so that a circumferential blade 251 is formed at the edge of the lower end of the through hole, an upper cover plate 19 for contacting the upper surface of the housing 100 is embedded and mounted at the upper part of the through hole, a lower cover plate 10 is disposed under the upper cover plate 19, and the lower surface of the lower cover plate 10, whose upper surface is for contacting the lower surface of the housing 100, is mounted on the lower backing plate 2.
The guide posts 181 are provided in 4 numbers, and are respectively located at 4 corners of the lower mounting plate 16.
Example 2: a notebook shell hemming cutting die comprising: the upper die plate 21, install the upper mounting plate 22, lower bolster 23 and install the lower mounting plate 16 on the upper surface of lower bolster 23 of upper die plate 21, install an upper knife edge board 17 on the lower surface of upper mounting plate 22, the interval is provided with down take off board 1 directly over lower mounting plate 16, upper surface mid-mounting has a lower backing plate 2 down take off between board 1's the lower surface and the lower mounting plate 16 through a plurality of springs connection, a guide post 181 is installed respectively in at least two corners of lower mounting plate 16, vertical extension the upper end of guide post 181 passes down take off board 1 and with slidable embedding in the guide pin bushing 182 of installing on upper knife edge board 17 for the processing of casing 100, casing 100 further includes: the body 101 and a flanging part 102 bent downwards from the peripheral edge of the body 101;
the left side and the right side of the lower backing plate 2 are respectively 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 backing plate 2 are respectively provided with a front knife edge insert 41 and a rear knife edge insert 42, the lower surface of each knife edge insert is provided with at least two sliding grooves 131, the upper surface of the lower stripping plate 1 is positioned right below each sliding groove 131 and is correspondingly provided with a first mounting through hole 14, the lower part of a sliding rail 132 which is arranged perpendicular to the side surface of the lower backing plate 2 passes through the corresponding first mounting through hole 14 and is connected with a lower stop plate 15 which is arranged below the lower stripping plate 1, and the upper part of the sliding rail 132 is correspondingly embedded into the sliding grooves 131 and is in sliding fit with the sliding grooves 131, so that 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 can be respectively close to or far away from the lower backing plate 2 in parallel;
the upper surface of the lower backing plate 2 is provided with a second mounting through hole 5, the upper end of a slotting tool 6 with the lower end connected with the lower mounting plate 16 penetrates through the lower stripper plate 1 and is embedded into the second 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 cross sections of the sliding grooves 131 and the sliding rails 132 are T-shaped.
A through hole is formed on the lower surface of the upper blade plate 17 and located at the outer sides of the left blade insert 31, the right blade insert 32, the front blade insert 41 and the rear blade insert 42, so that a circumferential blade 251 is formed at the edge of the lower end of the through hole, an upper cover plate 19 for contacting the upper surface of the housing 100 is embedded and mounted at the upper part of the through hole, a lower cover plate 10 is disposed under the upper cover plate 19, and the lower surface of the lower cover plate 10, whose upper surface is for contacting the lower surface of the housing 100, is mounted on the lower backing plate 2.
The lower stopper 15 is fixedly installed on the lower surface of the lower stripper plate 1.
When the clamping is performed, the height of the circumferential knife edge 251 is higher than the heights of the corresponding left knife edge insert 31, right knife edge insert 32, front knife edge insert 41 and rear knife edge insert 42.
The four side surfaces of the upper end of the lower cover plate 10 are respectively provided with an outwardly extending raised strip 20, and the raised strip 20 extending above the knife edge insert can form a containing gap for embedding the flanging part 102 of the shell 100 between the raised strip 20 and the inner wall of the through hole on the upper knife edge plate 17 in a die clamping state.
The number of the second mounting holes 5 is 2, and the second mounting holes are arranged at intervals along the length direction of the lower pad 2.
Each second 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.
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.
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 on the outer side, a plurality of springs 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 transmission 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 die opening state, the lower stripper plate and the lower mounting plate form a certain interval under the action of a spring, and the slotting tool is positioned at the bottommost end relative to the lower base plate, and at the moment, knife edge inserts in four directions are tightly adhered to corresponding transfer blocks under the action of the spring and are simultaneously close to the side surfaces of the lower base plate;
the shell to be trimmed is arranged on the lower cover plate, so that the lower surface of the shell body contacts with the surface of the lower cover plate, the flanging part on the shell body 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;
in the die assembly process, the upper knife edge plate gradually drops downwards under the limit of the guide post and the guide sleeve to approach until the lower surface of the upper cover plate on the upper knife edge plate contacts with the upper surface of the shell, and the flanging part of the shell is positioned between the raised line part of the lower cover plate and the inner wall of the through hole on the upper knife edge plate and between the circumferential knife edge and the knife edge insert;
the lower stripper plate moves downwards to compress a spring positioned between the lower mounting plate and the lower stripper plate in the direction of the lower mounting plate under the action of the mould clamping force, in the process, the slotting tool moves upwards relative to the lower base plate, the first inclined surface which is in sliding fit with the second inclined surface on the transfer block on the slotting tool simultaneously pushes the transfer block in 4 directions upwards, and under the limitation of the sliding chute and the lower cover plate, the transfer block cannot move upwards, so that the corresponding knife edge inserts can only be pushed to move horizontally along the sliding rails respectively corresponding to the knife edge inserts to the position away from the outer side of the lower base plate by 1.5 mm-2.0 mm to the position of a circumferential knife edge, and the edge cutting operation of the flanging part close to the knife edge of each knife edge insert is realized;
after the primary trimming is finished, the die opening and the slotting tool reset under the action of a spring between the lower stripper plate and the lower mounting plate, each knife edge insert and the corresponding transfer block also reset under the action of the spring, and the knife edge insert and the corresponding transfer block 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.
When assembling the part, the plane position of the sliding rail is fixed through the first installation through hole on the lower supporting plate, and the upper and lower positions of the sliding rail are fixed through the lower stop plate, so that the position precision of the installation of each sliding rail is guaranteed, the position precision of each knife edge insert in the moving process in sliding fit with the sliding rail is further guaranteed, and the precision of edge cutting machining is further improved.
When the cutting die for flanging the notebook shell is adopted, the slotting tool is driven to move upwards relative to the lower short plate through one-time die assembly, so that the synchronous outward movement of the knife edge inserts in four directions is realized, the synchronous trimming of four flanging parts on the shell is realized, the efficiency is improved, the trimming precision and the trimming effect consistency are improved, and the processing quality is improved; further, the plane position of the sliding rail is fixed through the first mounting through hole on the lower supporting plate, and the upper position and the lower position of the sliding rail are fixed through the lower stop plate, so that the position precision of each knife edge insert in the moving process in sliding fit with the sliding rail is ensured, and the trimming precision is further 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 (5)
1. A notebook shell hemming cutting die comprising: the upper die plate (21), install in upper mounting plate (22) of upper die plate (21) lower surface, lower bolster (23) and install in lower mounting plate (16) of lower bolster (23) upper surface, install on the lower surface of upper mounting plate (22) an upper knife edge board (17), the interval is provided with directly over lower mounting plate (16) and takes off board (1) down, upper surface mid-mounting has lower backing plate (2) lower surface and lower mounting plate (16) between pass through a plurality of springs connection, a guide post (181) are respectively installed in two at least corners of lower mounting plate (16), vertically extending the upper end of guide post (181) pass down take off board (1) and with slidable embedding install in knife edge (182) on upper plate (17), its characterized in that: for the machining of a housing (100), the housing (100) further comprising: the device comprises a body (101) and a flanging part (102) which is bent downwards from the peripheral edge of the body (101);
the left side and the right side of the lower backing plate (2) are respectively 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 backing plate (2) are respectively provided with a front knife edge insert (41) and a rear knife edge insert (42), the lower surface of each knife edge insert is provided with at least two sliding grooves (131), the upper surface of the lower backing plate (1) is positioned right below each sliding groove (131) and is correspondingly provided with a first mounting through hole (14), the lower part of a sliding rail (132) which is perpendicular to the side surface of the lower backing plate (2) penetrates through the corresponding first mounting through hole (14) and is connected with a lower stop plate (15) which is arranged below the lower backing plate (1), and the upper part of the sliding rail (132) is correspondingly embedded into the sliding grooves (131) and is in sliding fit with the sliding grooves (131), so that the left knife edge insert (31), the right knife edge insert (32), the front knife edge (41) and the rear knife edge insert (42) can be respectively close to or far away from the lower backing plate (2);
the upper surface of the lower backing plate (2) is provided with a second installation through hole (5), the upper end of a slotting tool (6) with the lower end connected with the lower installation plate (16) penetrates through the lower stripping plate (1) and is embedded into the second installation through hole (5), the upper end of the slotting tool (6) is provided with 4 first inclined planes (71) which are respectively arranged towards a left knife edge insert (31), a right knife edge insert (32), a front knife edge insert (41) and a rear knife edge insert (42), at least one transfer block (8) movably installed 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 transfer block (8) is attached to the corresponding knife edge insert face, the lower part of each other end 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, and the lower parts of the first inclined planes (71) and the second inclined planes (72) are respectively close to the corresponding knife edge inserts.
2. The notebook shell hemming cutting die of claim 1 wherein: the cross sections of the sliding fit grooves (131) and the sliding rails (132) are T-shaped.
3. The notebook shell hemming cutting die of claim 1 wherein: the sliding rail (132) is fixedly connected with the lower stop plate (15) through countersunk screws.
4. The notebook shell hemming cutting die of claim 1 wherein: the upper knife edge plate (17) is characterized in that a through hole is formed in the lower surface of the upper knife edge plate (17) and located on the outer sides 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), so that a peripheral knife edge (251) is formed at the edge of the lower end of the through hole, an upper cover plate (19) used for being in contact with the upper surface of the shell (100) is embedded and installed at the upper part of the through hole, a lower cover plate (10) is arranged under the upper cover plate (19), and the lower surface of the lower cover plate (10) used for being in contact with the lower surface of the shell (100) is installed on the lower base plate (2).
5. The notebook shell hemming cutting die of claim 1 wherein: the guide posts (181) are arranged at 4 corners of the lower mounting plate (16) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322197344.3U CN220697976U (en) | 2023-08-16 | 2023-08-16 | Cutting die for folding edges of notebook shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322197344.3U CN220697976U (en) | 2023-08-16 | 2023-08-16 | Cutting die for folding edges of notebook shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220697976U true CN220697976U (en) | 2024-04-02 |
Family
ID=90447191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322197344.3U Active CN220697976U (en) | 2023-08-16 | 2023-08-16 | Cutting die for folding edges of notebook shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220697976U (en) |
-
2023
- 2023-08-16 CN CN202322197344.3U patent/CN220697976U/en active Active
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