CN111823165A - Clamping device for slitting cooling fins of computer display card - Google Patents
Clamping device for slitting cooling fins of computer display card Download PDFInfo
- Publication number
- CN111823165A CN111823165A CN202010730676.1A CN202010730676A CN111823165A CN 111823165 A CN111823165 A CN 111823165A CN 202010730676 A CN202010730676 A CN 202010730676A CN 111823165 A CN111823165 A CN 111823165A
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- seat
- locking
- cut
- fixed
- slitting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Mechanical Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a clamping device for slitting a cooling fin of a computer display card, which comprises a base, a mounting seat, a moving arm, a locking component, a top bracing component and a processing table, wherein the mounting seat is fixed on the base, the mounting seat is of a cavity structure, and the top of the mounting seat is provided with an opening for the processing table to move up and down along the opening; the middle part of the processing table is provided with a containing groove, the bottom of the containing groove is uniformly distributed with vertically placed pit modeling needles, and the upper part of each pit modeling needle is spherical and is used for placing a radiating fin to be cut; the bilateral symmetry of mount pad sets up the travelling arm that can carry out horizontal displacement, every all be provided with locking Assembly on the travelling arm, when the fin is waited to cut in centre gripping locking, locking Assembly can pass through the shoring subassembly props upwards the processing platform will be waited to cut the fin and lock at pit molding needle in the time to the realization is waited to cut the molding of pit on the fin.
Description
Technical Field
The invention relates to the technical field of clamping devices, in particular to a clamping device for slitting a cooling fin of a computer display card.
Background
The display card radiating fin is used as a GPU heat conducting medium and can increase the heat exchange area of a chip, so that the purpose of rapid heat dissipation is achieved.
Through investigation and analysis, the heat dissipation of the existing clamping device and the aluminum fin has the following problems:
1. the existing clamping device is simple in structure, so that vibration is easy to occur when the cooling fins are cut, the quality of the cut cooling fins is affected, and in addition, the stability of clamping cannot be ensured due to simple clamping;
2. the existing clamping device is not provided with an ejection device, so that the blanking is inconvenient after the cutting is finished, and the working efficiency is influenced;
3. as described above, the conventional heat sink mostly adopts the copper base and the aluminum fins to match, and the heat dissipation effect needs to be further improved; therefore, how to improve the heat dissipation effect and improve the processing efficiency in a limited space becomes a focus of attention.
Therefore, there is a need to provide a clamping device for cutting a heat sink of a computer graphics card, so as to solve the problems in the prior art.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a clamping device for slitting cooling fins of computer display cards comprises a base, a mounting seat, a moving arm, a locking assembly, a top bracing assembly and a processing table, wherein the mounting seat is fixed on the base, the mounting seat is of a cavity structure, and an opening is formed in the top of the mounting seat and used for enabling the processing table to move up and down along the opening;
the middle part of the processing table is provided with a containing groove, the bottom of the containing groove is uniformly distributed with vertically placed pit modeling needles, and the upper part of each pit modeling needle is spherical and is used for placing a radiating fin to be cut;
the two sides of the mounting seat are symmetrically provided with moving arms capable of carrying out horizontal displacement, each moving arm is provided with a locking component,
when the to-be-cut radiating fins are clamped and locked, the locking assembly can upwards prop the machining table through the propping assembly and lock the to-be-cut radiating fins on the pit molding needle, so that the pit molding on the to-be-cut radiating fins is realized.
Further, preferably, the top bracing assemblies are symmetrically arranged below the processing table and comprise a bottom plate, a first sliding block, a yielding rod and a top bracing seat, wherein the bottom plate is horizontally fixed on the inner wall of the mounting seat, the yielding rod is connected to the bottom plate through a plurality of groups of buffer springs, the top of the yielding rod is horizontally fixed with the top bracing seat, and the top bracing seat is used for top bracing the processing table;
the bottom of the position-giving rod is vertically fixed with a first sliding block which can slide along a limiting groove formed in the side wall of the mounting seat.
Further, as preferred, locking Assembly includes locking claw, locking groove and top brace arm, wherein, the cross section of locking claw is L shape, and the locking groove has been seted up to the bottom of its horizontal segment for will waiting to cut the downward locking of fin on pit molding needle, the vertical section of locking claw is fixed with the top brace arm that the level was placed, the top brace arm can slide and stretch into logical groove of seting up in the mount pad and be located the below of top brace seat to drive top brace seat rebound.
Further, as preferred, the shore arm includes that the level is fixed at the link on the locking claw, the other end of link is fixed with the drive end, the drive end is an arcwall face that reduces from a left side right direction gradually, the other end of drive end is fixed with the extension end, is used for doing the shore arm slides and stretches into logical groove in the mount pad and provides the direction, and passes through the shore arm is to the removal that is close to shore seat direction, can make shore seat under the drive of drive end, upwards moves gradually.
Further, as preferred, the top of locking groove includes horizontal segment and segmental arc, just the top of locking groove is attached to have rather than shape assorted elasticity locking rubber, the segmental arc is a cambered surface that rises gradually from a left side to the right direction, the segmental arc passes through the locking claw is to being close to the removal of shoring seat direction to can make under the drive of locking groove segmental arc, wait to cut the fin and can lock the upper surface at pit modeling needle, and downward displacement slightly, make partial syringe needle embedding wait to cut the lower surface of fin.
Further, preferably, when the heat sink to be cut is locked, the highest position of the processing table is lower than the lowest position of the horizontal section of the locking claw.
Further, as the preferred, a plurality of dust absorption heads are embedded in one end face of the locking claw close to the radiating fin to be cut, and the dust absorption heads are communicated with the dust absorption end of an external dust absorption device.
Further, as preferred, two on the equal screw drive of removal arm connects the lead screw, the lead screw level crosses the mount pad, and its one end rotates and sets up on the bearing frame, the bearing frame is fixed on the base, the other end of lead screw is fixed at the output of positive reverse motor, positive reverse motor is fixed on the base, two opposite screw threads have been laid to the symmetry on the lead screw for correspond the transmission with two removal arms respectively and be connected, thereby make two removal arms can carry out opposite motion or opposite movement.
Further, as preferred, still include the unloading subassembly, the unloading subassembly includes mounting panel, unloading cylinder and unloading platform, wherein the mounting panel is fixed in on the inner wall around the mount pad, the top of mounting panel is fixed with vertical ascending unloading cylinder, the output of unloading cylinder can drive the connecting rod and move, the other end of connecting rod is fixed with threely the unloading platform, the unloading platform slides and passes the processing platform and link to each other with the flitch down.
Further, as preferred, the unloading subassembly still includes righting seat, slide and slider two, wherein, righting the seat and adopting branch to fix on the mounting panel, be used for making the connecting rod slides and passes righting the seat, still be fixed with the slide on the branch, the slide is provided with the slider on the slide, the slider is fixed between the output of unloading cylinder and connecting rod.
Compared with the prior art, the invention provides a clamping device for slitting cooling fins of a computer display card, which has the following beneficial effects:
1. when clamping and locking a to-be-cut radiating fin, two groups of moving arms are driven by a forward and reverse rotating motor to move close to each other, a top support arm in a locking assembly moves towards the direction close to a top support seat, the top support seat can gradually move upwards under the driving of a driving end to realize the limiting and locking of a processing table from the bottom, meanwhile, a locking claw moves towards the direction close to the top support seat, so that the to-be-cut radiating fin can be gradually locked on the upper surface of a pit forming needle under the driving of an arc section of a locking groove and slightly moves downwards, part of needle heads are embedded into the lower surface of the to-be-cut radiating fin to realize the forming of pits, the radiating area of the radiating fin is increased, and when the to-be-cut radiating fin is cut, a cutting knife can generate downward pressure, the pit forming effect is further improved, in addition, a plurality of groups of pit forming needles are independently used as supports of the to-be-cut radiating fin, the supporting effect can be improved, and the overall vibration caused by local vibration during cutting can be reduced;
2. this device adopts positive and negative motor to drive two sets of travelling arms and is close to the displacement each other, perhaps keeps away from the displacement each other, can realize quick locking and the unblock of treating the fin of cutting, still is provided with the unloading subassembly in this device in addition, after cutting, the fin after the unloading subassembly can be fast will cutting ejecting, and the unloading subassembly cooperates with positive and negative motor, can further improve holistic work efficiency.
Drawings
FIG. 1 is a schematic perspective view of a clamping device for slitting a cooling fin of a computer graphics card;
FIG. 2 is a schematic plan view of a clamping device for slitting a heat sink of a computer graphics card;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
FIG. 4 is a schematic structural view of a blanking assembly in a clamping device for slitting a cooling fin of a computer graphics card;
in the figure: 1. a base; 2. a mounting seat; 3. a positive and negative rotation motor; 4. a bearing seat; 5. a moving arm; 6. a locking assembly; 7. a top bracing assembly; 8. a blanking assembly; 9. a blanking plate; 10. a processing table; 11. a pit shaping needle; 12. the radiating fins are to be cut; 13. a containing groove;
61. a locking claw; 62. a locking groove; 63. a connecting end; 64. a driving end; 65. an extension end; 66. a dust collection head;
71. a base plate; 72. a buffer spring; 73. a first sliding block; 74. a position-giving rod; 75. a jacking seat; 81. mounting a plate; 82. a righting seat; 83. a blanking cylinder; 84. a slide base; 85. a second sliding block; 86. a connecting rod; 87. a blanking table.
Detailed Description
Referring to fig. 1 to 4, in an embodiment of the present invention, a clamping device for slitting a cooling fin of a computer graphics card includes a base 1, a mounting base 2, a moving arm 5, a locking assembly 6, a top bracing assembly 7, and a processing table 10, where the mounting base 2 is fixed on the base 1, the mounting base 2 is a cavity structure, and an opening is formed at a top of the mounting base for the processing table 10 to move up and down along the opening;
a containing groove 13 is formed in the middle of the processing table 10, pit shaping needles 11 which are vertically arranged are uniformly distributed at the bottom of the containing groove 13, and the upper part of each pit shaping needle 11 is in a spherical shape and is used for placing a heat radiating fin 12 to be cut;
the two sides of the mounting seat 2 are symmetrically provided with moving arms 5 capable of performing horizontal displacement, each moving arm 5 is provided with a locking component 6,
when clamping and locking the heat radiating fins 12 to be cut, the locking assembly 6 can upwards prop the machining table 10 through the propping assembly 7 and simultaneously lock the heat radiating fins 12 to be cut on the pit shaping needle 11, so that the pit shaping on the heat radiating fins 12 to be cut is realized.
In this embodiment, as shown in fig. 2-3, the top bracing assembly 7 is symmetrically disposed below the processing table 10, the top bracing assembly 7 includes a bottom plate 71, a first slider 73, a abdicating rod 74 and a top bracing seat 75, wherein the bottom plate 71 is horizontally fixed on the inner wall of the mounting seat 2, the bottom plate 71 is connected with the abdicating rod 74 by adopting multiple sets of buffer springs 72, the top of the abdicating rod 74 is horizontally fixed with the top bracing seat 75, and the top bracing seat 75 is used for supporting the processing table 10, so that the processing table 10 can float up and down;
and a first sliding block 73 which can slide along a limiting groove formed in the side wall of the mounting seat 2 is vertically fixed at the bottom of the position-giving rod 74.
In this embodiment, as shown in fig. 2 to 3, the locking assembly 6 includes a locking claw 61, a locking groove 62 and a top support arm, wherein the cross section of the locking claw 61 is L-shaped, and the bottom of the horizontal section of the locking claw 61 is provided with the locking groove 62 for locking the heat sink 12 to be cut on the pit shaping needle 11 downward, the vertical section of the locking claw 61 is fixed with the top support arm horizontally placed, and the top support arm can slide into the through groove formed in the mounting seat 2 and is located below the top support seat 75, so as to drive the top support seat 75 to move upward.
As a preferred embodiment, the top bracing arm includes a connecting end 63 horizontally fixed on the locking claw, a driving end 64 is fixed to the other end of the connecting end 63, the driving end 64 is an arc-shaped surface gradually decreasing from left to right, and an extending end 65 is fixed to the other end of the driving end 64, and is used for providing guidance for the top bracing arm to slide and extend into the through groove in the mounting seat 2, and the top bracing arm moves towards the direction close to the top bracing seat 75, so that the top bracing seat 75 can gradually move upwards under the driving of the driving end 64, and the limit locking of the top bracing seat 75 from the bottom is realized.
In a preferred embodiment, the top of the locking groove 62 includes a horizontal section and an arc-shaped section, and an elastic locking rubber matched with the shape of the locking groove 62 is attached to the top of the locking groove 62, the arc-shaped section is an arc-shaped surface gradually rising from left to right, and the arc-shaped section is moved towards a direction close to the top support seat 75 by the locking claw 61, so that the heat sink 12 to be cut can be gradually locked on the upper surface of the pit-forming pin 11 and slightly displaced downwards under the driving of the arc-shaped section of the locking groove 62, so that a part of the pin head is embedded in the lower surface of the heat sink 12 to be cut, the shape of the pit is realized, and the heat dissipation area of the heat sink is increased.
In this embodiment, when the heat sink 12 to be cut is locked, the highest position of the processing table 11 is lower than the lowest position of the horizontal section of the locking claw 61.
In a preferred embodiment, a plurality of dust suction heads 66 are embedded in one end surface of the locking claw 61 close to the heat sink 12 to be cut, and the dust suction heads 66 are communicated with a dust suction end of an external dust suction device so as to absorb chips generated in the process of cutting the heat sink when the heat sink is cut.
In this embodiment, as shown in fig. 1-2, the two moving arms 5 are both in threaded transmission connection with a lead screw, the lead screw horizontally traverses the mounting base 2, and one end of the lead screw is rotatably disposed on the bearing block 4, the bearing block 4 is fixed on the base 1, the other end of the lead screw is fixed at the output end of the forward and reverse rotation motor 3, the forward and reverse rotation motor 3 is fixed on the base 1, and two opposite threads are symmetrically disposed on the lead screw and are respectively in corresponding transmission connection with the two moving arms 5, so that the two moving arms 5 can move in opposite directions or in opposite directions, and further locking and blanking of the to-be-cut heat dissipation sheet 12 are achieved.
In this embodiment, as shown in fig. 4, the blanking assembly 8 further includes a mounting plate 81, a blanking cylinder 83 and a blanking table 87, wherein the mounting plate 81 is fixed on the front and rear inner walls of the mounting base 2, the top of the mounting plate 81 is fixed with the vertical upward blanking cylinder 83, the output end of the blanking cylinder 83 can drive the connecting rod 86 to move, the other end of the connecting rod 86 is fixed with three blanking tables 87, and the blanking tables 87 slide through the processing table 10 and are connected with the blanking plate 9.
In order to improve the stability of the blanking action of the blanking assembly, the blanking assembly 8 further comprises a righting seat 82, a sliding seat 84 and a second sliding block 85, wherein the righting seat 82 is fixed on the mounting plate 81 through a supporting rod, so that the connecting rod 86 slides to pass through the righting seat 82, the sliding seat 84 is further fixed on the supporting rod, the sliding seat 84 is provided with the sliding block 85 in a sliding manner, and the sliding block 85 is fixed between the output end of the blanking air cylinder 83 and the connecting rod 86.
When the cutting machine is specifically implemented, firstly, the radiating fins 12 to be cut are placed on the pit modeling needle 11, then the radiating fins to be cut are locked, so that subsequent cutting is facilitated, when the radiating fins 12 to be cut are clamped and locked, the two groups of moving arms 5 are driven by the forward and reverse rotating motor 3 to move close to each other, the jacking arms in the locking assembly 6 move towards the direction close to the jacking seat 75, so that the jacking seat 75 can gradually move upwards under the driving of the driving end 64, the limit locking of a processing table from the bottom is realized, meanwhile, the locking claw 61 moves towards the direction close to the jacking seat 75, so that the radiating fins 12 to be cut can be gradually locked on the upper surface of the pit modeling needle 11 and slightly moves downwards, part of needle heads are embedded in the lower surface of the radiating fins 12 to be cut, the modeling of pits is realized, and the radiating area of the radiating fins is increased, and when cutting the fin 12 of waiting to cut, the branch cutter can produce decurrent pressure, has further improved pit molding's effect, and after cutting, ejecting by the unloading subassembly.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (10)
1. A clamping device for slitting cooling fins of computer display cards comprises a base (1), a mounting seat (2), a moving arm (5), a locking assembly (6), a top bracing assembly (7) and a processing table (10), wherein the mounting seat (2) is fixed on the base (1), the mounting seat (2) is of a cavity structure, and the top of the mounting seat is provided with an opening for the processing table (10) to move up and down along the opening;
the method is characterized in that: a containing groove (13) is formed in the middle of the processing table (10), pit shaping needles (11) which are vertically arranged are uniformly distributed at the bottom of the containing groove (13), and the upper part of each pit shaping needle (11) is spherical and is used for placing a radiating fin (12) to be cut;
the two sides of the mounting seat (2) are symmetrically provided with moving arms (5) capable of performing horizontal displacement, each moving arm (5) is provided with a locking component (6),
when clamping and locking a radiating fin (12) to be cut, the locking assembly (6) can upwards prop the machining table (10) through the propping assembly (7) and lock the radiating fin (12) to be cut on the pit molding needle (11), so that the pit molding on the radiating fin (12) to be cut is realized.
2. The clamping device for slitting the cooling fins of the computer display card according to claim 1, wherein: the top bracing assembly (7) is symmetrically arranged below the machining table (10), the top bracing assembly (7) comprises a bottom plate (71), a first sliding block (73), a yielding rod (74) and a top bracing seat (75), wherein the bottom plate (71) is horizontally fixed on the inner wall of the mounting seat (2), the yielding rod (74) is connected to the bottom plate (71) through a plurality of groups of buffer springs (72), the top of the yielding rod (74) is horizontally fixed with the top bracing seat (75), and the top bracing seat (75) is used for jacking the machining table (10);
and a first sliding block (73) which can slide along a limiting groove formed in the side wall of the mounting seat (2) is vertically fixed at the bottom of the position-giving rod (74).
3. The clamping device for slitting the cooling fins of the computer display card according to claim 2, wherein: locking Assembly (6) are including locking claw (61), locking groove (62) and top brace arm, wherein, the cross section of locking claw (61) is L shape, and locking groove (62) have been seted up to the bottom of its horizontal segment for will wait to cut fin (12) and lock down on pit shaping needle (11), the vertical section of locking claw (61) is fixed with the top brace arm that the level was placed, the top brace arm can slide and stretch into the logical groove of seting up in mount pad (2) and be located the below of top brace seat (75) to drive top brace seat (75) rebound.
4. The clamping device for slitting the cooling fins of the computer display card according to claim 3, wherein: the shore arm includes that the level fixes link (63) on the locking claw, the other end of link (63) is fixed with drive end (64), drive end (64) are one from the arcwall face that the left hand right direction reduces gradually, the other end of drive end (64) is fixed with extension end (65), is used for doing shore arm slides and stretches into logical groove in mount pad (2) and provides the direction, and passes through shore arm is to the removal of being close to shore seat (75) direction, can make shore seat (75) under the drive of drive end (64), upwards moves gradually.
5. The clamping device for slitting the cooling fins of the computer display card according to claim 3, wherein: the top of locking groove (62) includes horizontal segment and segmental arc, just the top of locking groove (62) is attached to have rather than shape assorted elasticity locking rubber, the segmental arc is a cambered surface that rises gradually from a left side to the right direction, the segmental arc passes through locking claw (61) is to being close to the removal of shoring seat (75) direction to can make under the drive of locking groove (62) segmental arc, wait to cut fin (12) and can lock the upper surface at pit molding needle (11), and downward displacement slightly for some syringe needles imbed at the lower surface of waiting to cut fin (12).
6. The clamping device for slitting the cooling fins of the computer display card according to claim 5, wherein: when the heat sink (12) to be cut is locked, the highest position of the processing table (11) is lower than the lowest position of the horizontal section of the locking claw (61).
7. The clamping device for slitting the cooling fins of the computer display card according to claim 3, wherein: a plurality of dust collection heads (66) are embedded in one end face, close to the to-be-cut radiating fin (12), of the locking claw (61), and the dust collection heads (66) are communicated with the dust collection end of an external dust collection device.
8. The clamping device for slitting the cooling fins of the computer display card according to claim 3, wherein: two on the equal screw drive of removal arm (5) connects the lead screw, the lead screw level crosses mount pad (2), and its one end rotates and sets up on bearing frame (4), bearing frame (4) are fixed on base (1), the output at positive reverse motor (3) is fixed to the other end of lead screw, positive reverse motor (3) are fixed on base (1), two opposite screw threads have been laid to the symmetry on the lead screw for correspond the transmission with two removal arms (5) respectively and be connected, thereby make two removal arms (5) can carry out opposite motion or opposite movement.
9. The clamping device for slitting the cooling fins of the computer display card according to claim 1, wherein: still include unloading subassembly (8), unloading subassembly (8) include mounting panel (81), unloading cylinder (83) and unloading platform (87), wherein mounting panel (81) are fixed in on the inner wall around mount pad (2), the top of mounting panel (81) is fixed with vertical ascending unloading cylinder (83), the output of unloading cylinder (83) can drive connecting rod (86) and move, the other end of connecting rod (86) is fixed with threely unloading platform (87), unloading platform (87) slide and pass processing platform (10) and link to each other with unloading board (9).
10. The clamping device for slitting the cooling fins of the computer display card according to claim 9, wherein: unloading subassembly (8) are still including righting seat (82), slide (84) and slider two (85), wherein, righting seat (82) adopt branch to fix on mounting panel (81), are used for making connecting rod (86) slide and pass righting seat (82), still be fixed with slide (84) on the branch, the slip is provided with slider (85) on slide (84), slider (85) are fixed between the output of unloading cylinder (83) and connecting rod (86).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010730676.1A CN111823165B (en) | 2020-07-27 | 2020-07-27 | Clamping device for slitting cooling fins of computer display card |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010730676.1A CN111823165B (en) | 2020-07-27 | 2020-07-27 | Clamping device for slitting cooling fins of computer display card |
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| CN111823165A true CN111823165A (en) | 2020-10-27 |
| CN111823165B CN111823165B (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916510A (en) * | 2021-04-23 | 2021-06-08 | 贵州理工学院 | Ash removal device of computer server |
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| CN108818079A (en) * | 2018-08-07 | 2018-11-16 | 安徽龙锐模塑有限公司 | A kind of clamping tooling that stability is high |
| CN209288794U (en) * | 2018-12-18 | 2019-08-23 | 温州合发模架科技有限公司 | A kind of clamping element of machining center |
| CN110936306A (en) * | 2019-12-02 | 2020-03-31 | 江西诺驰科技咨询有限公司 | Clamping device is used in electronic product processing |
| CN210731762U (en) * | 2019-10-23 | 2020-06-12 | 东北大学秦皇岛分校 | Clamping device for slitting cooling fins of computer display card |
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2020
- 2020-07-27 CN CN202010730676.1A patent/CN111823165B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970010004A (en) * | 1995-08-30 | 1997-03-27 | 김태구 | Air Tank Fixing Jig |
| CN108818079A (en) * | 2018-08-07 | 2018-11-16 | 安徽龙锐模塑有限公司 | A kind of clamping tooling that stability is high |
| CN209288794U (en) * | 2018-12-18 | 2019-08-23 | 温州合发模架科技有限公司 | A kind of clamping element of machining center |
| CN210731762U (en) * | 2019-10-23 | 2020-06-12 | 东北大学秦皇岛分校 | Clamping device for slitting cooling fins of computer display card |
| CN110936306A (en) * | 2019-12-02 | 2020-03-31 | 江西诺驰科技咨询有限公司 | Clamping device is used in electronic product processing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916510A (en) * | 2021-04-23 | 2021-06-08 | 贵州理工学院 | Ash removal device of computer server |
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