CN112589281A

CN112589281A - Laser cutting equipment for keys of computer keyboard

Info

Publication number: CN112589281A
Application number: CN202011411611.7A
Authority: CN
Inventors: 崔艳荣; 陈勇
Original assignee: Yangtze University
Current assignee: Yangtze University
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-04-02
Anticipated expiration: 2040-12-03
Also published as: CN112589281B

Abstract

The invention discloses computer keyboard key laser cutting equipment which comprises a bearing frame, a portal frame, a laser cutting machine, a conveying device, a detector and a collecting slope, wherein the portal frame is arranged above the bearing frame, the laser cutting machine is also connected onto the portal frame, the bearing frame is connected with the conveying device, a key single body cut by the laser cutting machine is grabbed by a mechanical hand and conveyed onto the conveying device, and the key single body is collected by the collecting slope after being detected by the detector; a plurality of groups of key fixing assemblies are arrayed along the length direction of the bearing frame, and the key fixing assemblies realize the positioning and fixing of the key monomers by the suction force generated by the negative pressure generator; the negative pressure generator is fixed at the adjusting end of the position adjusting assembly and is driven by the position adjusting assembly to move to one side of the corresponding key fixing assembly for suction, so that the device is convenient and quick, and the working efficiency is improved.

Description

Laser cutting equipment for keys of computer keyboard

Technical Field

The invention relates to the technical field of laser cutting, in particular to computer keyboard key laser cutting equipment.

Background

The computer keyboard is one of indispensable accessories of a computer, can be connected to the computer in a wired or wireless mode and serves as an input end of the computer, and when the computer keyboard is processed, laser cutting equipment is required to perform laser cutting action on keys of the computer keyboard, so that patterns such as English and the like are cut on the keys, and subsequent further installation is facilitated.

When laser cutting, can produce high-pressure gas and blow the button, thereby make its vibration, consequently, it is comparatively critical to the fixed of button, current often adopt anchor clamps to unify fixedly, holistic efficiency is on the low side, in addition use negative pressure generator to fix with the mode that forms the negative pressure, its efficiency is although higher, but it mainly relies on the suction to fix, the less condition of fixed insecure then appears in its suction, and the suction is great, then lead to button deformation easily, especially to the frivolous button on the notebook computer, utilize laser cutting machine to cut after the deformation, then can make pattern or english etc. warp, the incision produces the burr, lead to the appearance of defective products, still influence work efficiency.

Therefore, it is necessary to provide a laser cutting apparatus for computer keyboard keys to solve the above problems in the prior art.

Disclosure of Invention

In order to achieve the purpose, the invention provides the following technical scheme: a laser cutting device for keys of a computer keyboard comprises a bearing frame, a portal frame, a laser cutting machine, a conveying device, a detector and a collecting slope, wherein the portal frame is arranged above the bearing frame, the laser cutting machine is further connected onto the portal frame, the bearing frame is connected with the conveying device, key monomers cut by the laser cutting machine are grabbed by a mechanical hand and conveyed onto the conveying device, and the key monomers are collected by the collecting slope after being detected by the detector;

a plurality of groups of key fixing assemblies are arrayed along the length direction of the bearing frame, and the key fixing assemblies realize the positioning and fixing of the key monomers by the suction force generated by the negative pressure generator;

the negative pressure generator is fixed at the adjusting end of the position adjusting assembly and is driven by the position adjusting assembly to move to one side corresponding to the key fixing assembly for suction.

Further, preferably, the key fixing assembly comprises a deformation limiting assembly, a support column, a gas homogenizing chamber, a gas suction arm and a gas suction chamber, wherein the bottom of the deformation limiting assembly is fixed above the gas homogenizing chamber by the support column, the gas homogenizing chamber is fixed above the gas suction chamber by the support arm, and the gas suction chamber is detachably communicated with a negative pressure suction end of the negative pressure generator by a corrugated pipe;

the top of the air suction bin is also communicated with an air equalizing bin;

and a plurality of groups of air suction arms are adopted on the circumference of the air equalizing bin to suck air in the deformation limiting assembly.

Further, as preferred, the tip of bellows still is connected with the one end of miniature telescopic link, the other end of miniature telescopic link is fixed on the storehouse of breathing in.

Further, as preferred, the position control subassembly includes mount pad, lead screw, motor and screw seat, wherein, the mount pad is fixed in the below of bearing the frame, and is two sets of it is provided with the lead screw to rotate between the mount pad, the lead screw is by fixing the motor drive that bears the frame below, the transmission is connected with the screw seat on the lead screw, adopt the connecting seat to be connected with negative pressure generator on the screw seat, the connecting seat is still spacing slip setting in one side of mount pad.

Further, preferably, two groups of negative pressure generators are connected to the connecting seat.

Further, as preferred, deformation restriction subassembly includes standing groove, mounting groove and communicating pipe, wherein, the standing groove is used for placing the button monomer, the below fixedly connected with mounting groove of standing groove, form confined space between mounting groove and the standing groove, just the through-hole has been seted up at the middle part of standing groove, so that with the mounting groove is linked together, still communicate on the circumference of mounting groove have the multiunit can with inhale communicating pipe that the arm is linked together.

Further, as preferred, the middle part position department of standing groove still unsettled has the supporting ring board, the supporting ring board adopts multiunit supporting spring to support to connect on the bottom plate, the below of bottom plate adopts annular elastic support pad to link to each other with the tank bottom of mounting groove.

Further, as preferred, the middle part of bottom plate adopts the bearing to rotate and is connected with adjusting bolt, adjusting bolt passes the mounting groove downwards and links to each other with its screw thread to through rotating adjusting bolt changes the space height of support ring board, make the distance of the upper surface of support ring board and the free card post lower surface of button keeps unchangeable.

Further, preferably, a sealing ring is attached to a circumference of the lower surface of the support ring plate, which is located outside the lower surface of the support ring plate, and when the key unit is deformed downward by a suction force, the sealing ring is driven to move downward to be in sealing contact with the deformation restricting ring plate.

Further, as preferred, the deformation limiting ring plate is connected to the bottom plate through a connecting rod, so that the distance between the deformation limiting ring plate and the sealing ring is kept unchanged, and the deformation limiting ring plate is arranged in the middle through hole of the placing groove in a sealing and sliding mode.

Compared with the prior art, the invention provides a laser cutting device for keys of a computer keyboard, which has the following beneficial effects:

1. in the device, the negative pressure generator is matched with the corresponding key fixing component to fix the key monomer, so that the device is convenient and quick, and the working efficiency is improved;

2. in the equipment, a supporting ring plate is suspended in the middle of a placing groove and is supported and connected on a bottom plate by adopting a plurality of groups of supporting springs, and the height of the bottom plate is adjustable, so that the equipment can adapt to different key monomers, and the supporting force of the equipment is not changed even if the equipment deals with different key monomers;

3. in the device, a sealing ring is attached to one circumference, close to the outer side, of the lower surface of the supporting ring plate, and when the key monomer deforms downwards due to suction force, the sealing ring is driven to move downwards to be in sealing contact with the deformation limiting ring plate, so that the continuous operation of the suction action of the key monomer is interrupted, and the influences of font deformation and the like caused by the continuous deformation of the key monomer on laser cutting are prevented;

3. in this equipment, the deformation restriction ring board adopts the connecting rod to connect on the bottom plate, thereby make the distance between deformation restriction ring board and the sealing ring keep unchangeable, and the distance between deformation restriction ring board and the sealing ring, be the distance that moves down of restriction support ring board, furthermore, be the deformation distance of restriction button monomer deformation, the distance between deformation restriction ring board and the sealing ring keeps unchangeable and can make even reply different button monomers, the threshold value of its deformation degree does not change, thereby limit its deformation in certain extent, when having guaranteed the suction force, prevent that the button monomer from influencing the cutting because of deformation is too big.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic plan view of the position adjustment assembly of the present invention;

FIG. 3 is a schematic structural view of a key fixing assembly according to the present invention;

FIG. 4 is a schematic structural diagram of a deformation limiting assembly according to the present invention;

in the figure: 1. a carrier; 2. a key fixing component; 3. a negative pressure generator; 4. a position adjustment assembly; 5. a gantry; 6. a laser cutting machine; 7. a conveying device; 8. a detector; 9. collecting slopes; 41. a mounting seat; 42. a lead screw; 43. a motor; 44. a nut seat; 45. a connecting seat; 21. a deformation limiting component; 22. a pillar; 23. a gas homogenizing chamber; 24. an air suction arm; 25. a gas suction bin; 26. a support arm; 27. a bellows; 28. a miniature telescopic rod; 29. a key monomer; 211. a placement groove; 212. mounting grooves; 213. a communicating pipe; 214. a support ring plate; 215. a support spring; 216. a base plate; 217. adjusting the bolt; 218. a seal ring; 219. a deformation-restricting ring plate; 220. a connecting rod; 221. a support pad.

Detailed Description

Referring to fig. 1 to 4, in the embodiment of the present invention, a computer keyboard key laser cutting apparatus includes a bearing frame 1, a portal frame 5, a laser cutting machine 6, a conveying device 7, a detector 8, and a collecting slope 9, wherein the portal frame 5 is erected above the bearing frame 1, the portal frame 5 is further connected with the laser cutting machine 6, the bearing frame 1 is connected with the conveying device 7, a key monomer 29 cut by the laser cutting machine 6 is grabbed by a robot to the conveying device 7, and is collected by the collecting slope 9 after being detected by the detector 8;

a plurality of groups of key fixing assemblies 2 are arrayed along the length direction of the bearing frame 1, and the key fixing assemblies 2 realize the positioning and fixing of the key single bodies 29 by the suction force generated by the negative pressure generator 3;

the negative pressure generator 3 is fixed at the adjusting end of the position adjusting component 4, and the position adjusting component 4 drives the negative pressure generator 3 to move to one side of the corresponding key fixing component 2 for suction.

In this embodiment, as shown in fig. 3, the key fixing assembly 2 includes a deformation limiting assembly 21, a pillar 22, a gas homogenizing chamber 23, a gas suction arm 24 and a gas suction chamber 25, wherein the bottom of the deformation limiting assembly 21 is fixed above the gas homogenizing chamber 23 by the pillar 22, the gas homogenizing chamber 23 is fixed above the gas suction chamber 25 by a support arm 26, and the gas suction chamber 25 is detachably communicated with a negative pressure suction end of the negative pressure generator 3 by a bellows 27;

the top of the air suction bin 25 is also communicated with the air equalizing bin 23;

and a plurality of groups of air suction arms 24 are adopted on the circumference of the air equalizing bin 23 to suck air in the deformation limiting assembly 21.

In a preferred embodiment, one end of a micro telescopic rod 28 is further connected to an end of the corrugated tube 27, and the other end of the micro telescopic rod 28 is fixed to the suction chamber 25, so that the corrugated tube 27 is detachably connected to the negative pressure suction end of the negative pressure generator 3, and in order to ensure the sealing performance, a tapered sealing ring may be attached to the inner wall of the corrugated tube 27, and as the corrugated tube is extended, the inner wall tends to be flat, and the sealing ring is in closer contact with the negative pressure suction end of the negative pressure generator 3.

In this embodiment, as shown in fig. 2, the position adjusting assembly 4 includes a mounting seat 41, a screw 42, a motor 43, and a nut seat 44, wherein the mounting seat 41 is fixed below the bearing frame 1, the screw 42 is rotatably disposed between two sets of the mounting seats 41, the screw 42 is driven by the motor 43 fixed below the bearing frame 1, the screw seat 44 is connected to the screw in a transmission manner, the nut seat 44 is connected to the negative pressure generator 3 by a connecting seat 45, and the connecting seat 45 is further disposed on one side of the mounting seat 41 in a limiting sliding manner.

In a preferred embodiment, two sets of negative pressure generators 3 are connected to the connecting base 45.

In this embodiment, as shown in fig. 4, the deformation limiting assembly 21 includes a placing groove 211, a mounting groove 212, and a communicating pipe 213, wherein the placing groove 211 is used for placing the key unit 29, the mounting groove 212 is fixedly connected to a lower portion of the placing groove 211, a sealed space is formed between the mounting groove 212 and the placing groove 211, a through hole is opened in a middle portion of the placing groove 211 so as to communicate with the mounting groove 212, and a plurality of sets of communicating pipes 213 capable of communicating with the suction arm 24 are further communicated with a circumference of the mounting groove 212.

In order to limit the deformation of the key units, a supporting ring plate 214 is suspended in the middle of the placing groove 211, the supporting ring plate 214 is supported and connected to a bottom plate 216 by a plurality of groups of supporting springs 215, and an annular elastic supporting pad 221 is connected to the bottom of the mounting groove 212 below the bottom plate 216.

In order to adapt to different key units, the middle part of the bottom plate 216 is rotatably connected with an adjusting bolt 217 by a bearing, the adjusting bolt 217 passes through the mounting groove 212 downwards and is in threaded connection with the mounting groove, so that the space height of the supporting ring plate 214 is changed by rotating the adjusting bolt 217, the distance between the upper surface of the supporting ring plate 214 and the lower surface of the clamping column of the key unit 29 is kept unchanged, and the supporting force is kept unchanged even if different key units are matched.

In a preferred embodiment, a sealing ring 218 is attached to a circumference of the lower surface of the supporting ring plate 214, and when the key unit 29 is deformed downward by the suction force, the sealing ring 218 is driven to move downward to be in sealing contact with the deformation restricting ring 219, thereby interrupting the continuation of the suction action of the key unit.

As a preferred embodiment, the deformation limiting ring 219 is connected to the bottom plate 216 by a connecting rod 220, so that the distance between the deformation limiting ring 219 and the sealing ring 218 remains unchanged, and the deformation limiting ring is slidably and sealingly disposed in the central through hole of the placement groove 211, it should be noted that the distance between the deformation limiting ring 219 and the sealing ring 218 is a distance for limiting the downward movement of the supporting ring 214, and further a distance for limiting the deformation of the key units, and the distance between the deformation limiting ring 219 and the sealing ring 218 remains unchanged, so that the threshold value of the deformation degree does not change even if different key units are handled.

When specifically implementing, utilize the manipulator to place the button monomer on the standing groove 211 of the fixed subassembly of button in proper order earlier, adjust negative pressure generator 3's position through the position control subassembly afterwards, make negative pressure generator 3 cooperate with corresponding button fixed subassembly and realize fixed to the button monomer, wherein, when negative pressure suction end of negative pressure generator 3 aspirates the space that constitutes between standing groove 211 and the button monomer, can lock the button monomer on standing groove 211, it can to utilize laser cutting machine to cut the free surface of button at last.

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

1. A computer keyboard key laser cutting device comprises a bearing frame (1), a portal frame (5), a laser cutting machine (6), a conveying device (7), a detector (8) and a collecting slope (9), wherein the portal frame (5) is erected above the bearing frame (1), the laser cutting machine (6) is further connected onto the portal frame (5), the bearing frame (1) is connected with the conveying device (7), a key monomer (29) cut by the laser cutting machine (6) is grabbed and conveyed onto the conveying device (7) by a mechanical hand, and is collected by the collecting slope (9) after being detected by the detector (8);

the method is characterized in that: a plurality of groups of key fixing assemblies (2) are arrayed on the bearing frame (1) along the length direction of the bearing frame, and the key fixing assemblies (2) realize the positioning and fixing of key single bodies (29) by the suction force generated by the negative pressure generator (3);

the negative pressure generator (3) is fixed at the adjusting end of the position adjusting assembly (4), and the position adjusting assembly (4) drives the negative pressure generator (3) to move to one side of the corresponding key fixing assembly (2) for suction.

2. The laser cutting device for computer keyboard keys according to claim 1, wherein: the key fixing assembly (2) comprises a deformation limiting assembly (21), a support column (22), a gas homogenizing chamber (23), a gas suction arm (24) and a gas suction chamber (25), wherein the bottom of the deformation limiting assembly (21) is fixed above the gas homogenizing chamber (23) through the support column (22), the gas homogenizing chamber (23) is fixed above the gas suction chamber (25) through a support arm (26), and the gas suction chamber (25) is detachably communicated with a negative pressure suction end of the negative pressure generator (3) through a corrugated pipe (27);

the top of the air suction bin (25) is also communicated with the air equalizing bin (23);

and a plurality of groups of air suction arms (24) are adopted on the circumference of the air equalizing bin (23) to suck air in the deformation limiting assembly (21).

3. The laser cutting device for computer keyboard keys according to claim 2, wherein: the end part of the corrugated pipe (27) is also connected with one end of a micro telescopic rod (28), and the other end of the micro telescopic rod (28) is fixed on the air suction bin (25).

4. The laser cutting device for computer keyboard keys according to claim 1, wherein: position control subassembly (4) include mount pad (41), lead screw (42), motor (43) and screw seat (44), wherein, mount pad (41) are fixed in the below of bearing frame (1), and are two sets of it is provided with lead screw (42) to rotate between mount pad (41), lead screw (42) are driven by motor (43) of fixing in bearing frame (1) below, the transmission is connected with screw seat (44) on the lead screw, adopt connecting seat (45) to be connected with negative pressure generator (3) on screw seat (44), connecting seat (45) are still spacing to slide the setting in one side of mount pad (41).

5. The laser cutting device for computer keyboard keys according to claim 4, wherein: two groups of negative pressure generators (3) are connected to the connecting seat (45).

6. The laser cutting device for computer keyboard keys according to claim 2, wherein: the deformation limiting assembly (21) comprises a placing groove (211), a mounting groove (212) and a communicating pipe (213), wherein the placing groove (211) is used for placing the key single body (29), the mounting groove (212) is fixedly connected to the lower portion of the placing groove (211), a sealing space is formed between the mounting groove (212) and the placing groove (211), a through hole is formed in the middle of the placing groove (211) so as to be communicated with the mounting groove (212), and a plurality of groups of communicating pipes (213) which can be communicated with the air suction arm (24) are communicated with the circumference of the mounting groove (212).

7. The laser cutting device for computer keyboard keys according to claim 6, wherein: the middle position of the placing groove (211) is also provided with a supporting ring plate (214) in a suspending way, the supporting ring plate (214) is supported and connected on a bottom plate (216) by adopting a plurality of groups of supporting springs (215), and an annular elastic supporting pad (221) is connected with the bottom of the installing groove (212) below the bottom plate (216).

8. The laser cutting device for computer keyboard keys according to claim 7, wherein: the middle part of the bottom plate (216) is rotatably connected with an adjusting bolt (217) by adopting a bearing, the adjusting bolt (217) downwards penetrates through the mounting groove (212) and is connected with the mounting groove in a threaded manner, so that the space height of the supporting ring plate (214) is changed by rotating the adjusting bolt (217), and the distance between the upper surface of the supporting ring plate (214) and the lower surface of the clamping column of the key single body (29) is kept unchanged.

9. The laser cutting device for computer keyboard keys according to claim 8, wherein: a sealing ring (218) is attached to one outer circumference of the lower surface of the supporting ring plate (214), and when the key unit (29) is deformed downwards due to suction force, the sealing ring (218) is driven to move downwards to be in sealing contact with the deformation limiting ring plate (219).

10. The laser cutting device for computer keyboard keys according to claim 9, wherein: the deformation limiting ring plate (219) is connected to the bottom plate (216) through a connecting rod (220), so that the distance between the deformation limiting ring plate (219) and the sealing ring (218) is kept unchanged, and the deformation limiting ring plate is arranged in the middle through hole of the placing groove (211) in a sealing and sliding mode.