CN113172295A - Auxiliary assembly of SMT circuit board welding tin silk automatic quantification cutting - Google Patents
Auxiliary assembly of SMT circuit board welding tin silk automatic quantification cutting Download PDFInfo
- Publication number
- CN113172295A CN113172295A CN202110474146.XA CN202110474146A CN113172295A CN 113172295 A CN113172295 A CN 113172295A CN 202110474146 A CN202110474146 A CN 202110474146A CN 113172295 A CN113172295 A CN 113172295A
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- China
- Prior art keywords
- movably connected
- rotating
- circuit board
- driving shaft
- pull
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/06—Solder feeding devices; Solder melting pans
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/06—Solder feeding devices; Solder melting pans
- B23K3/0607—Solder feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Wire Processing (AREA)
Abstract
The invention relates to the technical field of SMT circuit boards, and discloses auxiliary equipment for automatically and quantitatively cutting tin wires for welding the SMT circuit boards, which comprises a driving shaft, wherein the left side of the driving shaft is movably connected with a rotating gear, the top of the rotating gear is movably connected with a pull rod, the top of the pull rod is movably connected with a pull block, the left side of the pull block is movably connected with an extrusion spring, the right side of the pull block is movably connected with a connecting seat, the right side of the connecting seat is movably connected with a buffer spring, the driving shaft is driven by a driving source to rotate so as to drive the rotating gear to rotate, the pull rod is pulled while the rotating gear rotates, the pull rod stretches the extrusion spring to drive the connecting seat to move, the connecting seat moves so as to drive a supporting rod to move, the supporting rod moves to drive a cutter to move, the two cutters move oppositely until the two cutters contact with each other, and then cutting of welding wires is finished, thereby the effect of automatic quantitative cutting according to the wire output of the tin wire is achieved.
Description
Technical Field
The invention relates to the technical field of SMT circuit boards, in particular to an auxiliary device for automatically and quantitatively cutting tin wires for welding SMT circuit boards.
Background
With the development of science and technology, people have achieved great success in the field of computers, one of the main accessories in the computers is a circuit board, and the circuit board must be subjected to processes of chip mounting, reflow soldering and the like in the processing process so as to mount components on the circuit board.
Mature automatic paster, reflow soldering equipment and other equipment have appeared in the market at present, and this type of equipment is called SMT automation line, and this type of automation equipment melts the welding through cutting short the tin silk when welding the circuit board at present, but the heat that this type of equipment used back tin silk cutting tool bit for a long time produced easily makes the tin silk glue in tool bit position, and then influences single tin silk cutting volume to influence the installation of components and parts.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and an auxiliary device for automatically and quantitatively cutting tin wires for soldering of SMT circuit boards is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides auxiliary equipment for automatically and quantitatively cutting tin wires for welding an SMT (surface mount technology) circuit board, which has the advantages of automatically and quantitatively cutting according to the wire output quantity of the tin wires and automatically accelerating the peripheral flowing speed of the equipment to prevent the tin wires from being stuck and adhered due to overhigh running speed, and solves the problems that the single cutting quantity of the tin wires is changed and the tin wires are easily stuck to the surface of a cutter head after a traditional circuit board mounting cutter head is used for cutting for a long time.
(II) technical scheme
In order to realize the purposes of automatically cutting the tin wire in a quantitative mode according to the wire output quantity of the tin wire and automatically accelerating the peripheral flowing speed of equipment to prevent the tin wire from being stuck due to overhigh running speed, the invention provides the following technical scheme: an auxiliary device for automatically and quantitatively cutting tin wires for welding SMT circuit boards comprises a driving shaft, wherein a rotating gear is movably connected to the left side of the driving shaft, a pull rod is movably connected to the top of the rotating gear, a pull block is movably connected to the top of the pull rod, an extrusion spring is movably connected to the left side of the pull block, a connecting seat is movably connected to the right side of the pull block, a buffer spring is movably connected to the right side of the connecting seat, a supporting rod is movably connected to the right side of the buffer spring, a cutter is movably connected to the right side of the supporting rod, a lever is movably connected to the top of the pull block, a push block is movably connected to the top of the lever, a rotating spring is movably connected to the left side of the push block, a rotating screw is movably connected to the right side of the push block, a connecting shaft is movably connected to the right side of the rotating screw, a rotating fan blade is movably connected to the right side of the connecting shaft, a rotating seat is movably connected to the outside of the rotating screw, the welding wire welding device is characterized in that the top of the driving shaft is movably connected with a mounting seat, and a welding wire is movably connected inside the mounting seat.
Preferably, the number of the rotating gears is two, the rotating gears are symmetrically distributed on the left side and the right side of the driving shaft, and the two rotating gears are meshed with the driving shaft.
Preferably, the surface of the inner wall of the rotating seat is movably connected with teeth, and the teeth are meshed with the rotating screw rod.
Preferably, the central axis of the cutter and the central axes of the connecting seat, the buffer spring and the supporting rod are in the same straight line.
Preferably, the central axis of the rotary spring and the central axes of the push block, the rotary screw rod and the connecting shaft are in the same straight line.
Preferably, the distance between the two cutters is larger than the diameter of the welding wire under the normal state of the extrusion spring.
(III) advantageous effects
Compared with the prior art, the invention provides auxiliary equipment for automatically and quantitatively cutting tin wires for welding the SMT circuit board, which has the following beneficial effects:
1. the auxiliary equipment for automatically and quantitatively cutting the tin wires for welding the SMT circuit board is used along with the gradual use of the welding wires when in use, so that a driving source in the equipment always drives the welding wires to move in a mounting seat, the driving source can also drive a driving shaft to rotate in the process of welding wire movement, the driving shaft rotates to drive a rotating gear to rotate, the rotating gear rotates and simultaneously pulls a pull rod, the pull rod moves to apply a transverse thrust to a pull block, the thrust acts on an extrusion spring through the pull block, finally, the extrusion spring is stretched to deform and then drives a connecting seat to move, the connecting seat moves to drive a supporting rod to move, the supporting rod moves to drive a cutter to move, the two cutters move oppositely until the two cutters contact with each other, when the two cutters contact with each other, an overlarge acting force acts on a buffer spring through the cutters, and finally, the buffer spring is compressed to deform, the cutting of the welding wire is completed at the moment, because the two rotating gears are meshed with the driving shaft, and the two cutters are symmetrically distributed on the left side and the right side of the welding wire, the motion states of the two cutters are consistent, meanwhile, the driving source of the driving shaft and the driving source of the welding wire are the same driving source, namely, the welding wire moves while the driving shaft moves, the output power of the driving source is a constant value, and the effect of automatic quantitative cutting according to the wire outlet amount of the tin wire is achieved.
2. The auxiliary equipment for automatically and quantitatively cutting the tin wires for welding the SMT circuit board drives the driving shaft to rotate along with an external driving source when in use, the rotating gear rotates to pull the pull rod, further, the pull block is driven to move after the extrusion spring is stretched and deformed, the lever is pulled while the pull block moves, the lever moves to apply a transverse thrust to the push block, the thrust acts on the rotating spring through the push block and finally, the rotating spring is compressed to deform and then the rotating screw is driven to move, the rotating screw is meshed with the rotating seat, so that the moving state of the rotating screw is that the rotating screw moves towards the direction close to the rotating spring while rotating, the rotating screw rotates to drive the connecting shaft to rotate, the connecting shaft rotates to drive the rotating fan blades to rotate, the rotating fan blades rotate to generate air flow, and the air flow is blown to the surface of the cutter through the mounting seat, the air flow speed around the tin wire is accelerated, so that the effect of preventing the tin wire from being sticky due to the fact that the tin wire is too fast in running is achieved.
Drawings
FIG. 1 is a schematic view of the welding wire of the present invention;
FIG. 2 is a schematic view of a rotary gear of the present invention;
FIG. 3 is a schematic view of the structure of the compression spring of the present invention;
FIG. 4 is a schematic view of a pull block structure according to the present invention;
FIG. 5 is a schematic view of a rotary spring according to the present invention.
In the figure: 1. a drive shaft; 2. a rotating gear; 3. a pull rod; 4. pulling the block; 5. a compression spring; 6. a connecting seat; 7. a buffer spring; 8. a support bar; 9. a cutter; 10. a lever; 11. a push block; 12. a rotation spring; 13. rotating the screw; 14. a connecting shaft; 15. rotating the fan blade; 16. a rotating base; 17. a mounting seat; 18. and (4) welding wires.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an auxiliary device for automatically and quantitatively cutting tin wires for SMT circuit board soldering comprises a driving shaft 1, wherein the left side of the driving shaft 1 is movably connected with two rotating gears 2, the two rotating gears 2 are symmetrically distributed on the left side and the right side of the driving shaft 1, the two rotating gears 2 are both meshed with the driving shaft 1, the top of each rotating gear 2 is movably connected with a pull rod 3, the top of each pull rod 3 is movably connected with a pull block 4, the left side of each pull block 4 is movably connected with an extrusion spring 5, the right side of each pull block 4 is movably connected with a connecting seat 6, the right side of each connecting seat 6 is movably connected with a buffer spring 7, the right side of each buffer spring 7 is movably connected with a support rod 8, the right side of each support rod 8 is movably connected with a cutter 9, the central axis of each cutter 9 is in the same straight line with the central axes of the connecting seat 6, the buffer springs 7 and the support rods 8, and the top of each pull block 4 is movably connected with a lever 10, lever 10 top swing joint has ejector pad 11, ejector pad 11 left side swing joint has rotating spring 12, rotating spring 12's the central axis and ejector pad 11, rotate screw 13, the central axis of connecting axle 14 is same straight line, ejector pad 11 right side swing joint has rotation screw 13, it has connecting axle 14 to rotate screw 13 right side swing joint, connecting axle 14 right side activity rotates fan blade 15, the outside swing joint of rotation screw 13 has roating seat 16, the surperficial swing joint of 16 inner walls of roating seat has the tooth, and this tooth and the meshing of rotation screw 13, 1 top swing joint of driving shaft has mount pad 17, the inside swing joint of mount pad 17 has welding wire 18, extrusion spring 5 is distance between two cutters 9 under the normal condition and is greater than the diameter of welding wire 18.
The working principle is as follows: the auxiliary equipment for automatically and quantitatively cutting the tin wires for welding the SMT circuit board is used along with the gradual use of the welding wires 18 when in use, so that a driving source in the equipment always drives the welding wires 18 to move in a mounting seat 17, the driving source can also drive a driving shaft 1 to rotate in the movement process of the welding wires 18, the driving shaft 1 rotates to drive a rotating gear 2 to rotate, the rotating gear 2 can pull a pull rod 3 while rotating, the pull rod 3 moves to apply a transverse thrust to a pull block 4, the thrust acts on an extrusion spring 5 through the pull block 4 and finally stretches the extrusion spring 5 to deform and then drives a connecting seat 6 to move, the connecting seat 6 moves to drive a supporting rod 8 to move, the supporting rod 8 moves to drive a cutter 9 to move, at the moment, the two cutters 9 move oppositely until the two cutters 9 contact with each other, when the two cutters 9 contact with each other, an overlarge acting force acts on a buffer spring 7 through the cutters 9, and finally, the buffer spring 7 is compressed to deform, the cutting of the welding wire 18 is finished at the moment, because the two rotating gears 2 are meshed with the driving shaft 1, and the two cutters 9 are symmetrically distributed on the left side and the right side of the welding wire 18, the motion states of the two cutters 9 are consistent, meanwhile, the driving source of the driving shaft 1 and the driving source of the welding wire 18 are the same driving source, namely, the welding wire 18 moves while the driving shaft 1 moves, the output power of the driving source is a fixed value, and the effect of automatic quantitative cutting according to the wire output amount of the tin wire is achieved.
The auxiliary equipment for automatically and quantitatively cutting the tin wires for welding the SMT circuit board drives the driving shaft 1 to rotate along with an external driving source so as to drive the rotating gear 2 to rotate when in use, the rotating gear 2 rotates so as to pull the pull rod 3, further, the extrusion spring 5 is stretched to deform and then the pull block 4 is driven to move, the pull block 4 can simultaneously pull the lever 10 when moving, the lever 10 can apply a transverse thrust to the push block 11 when moving, the thrust acts on the rotating spring 12 through the push block 11, and finally, the rotating spring 12 is compressed to deform and then the rotating screw 13 is driven to move, because the rotating screw 13 is meshed with the rotating seat 16, the moving state of the rotating screw 13 is that the rotating screw 13 moves towards the direction close to the rotating spring 12 while rotating, the rotating screw 13 rotates so as to drive the connecting shaft 14 to rotate, the connecting shaft 14 rotates to drive the rotating fan blades 15 to rotate, and the rotating fan blades 15 rotate so as to generate air flow, the air current blows to the surface of cutter 9 through mount pad 17 for its air velocity of flow all around accelerates, thereby has reached the effect that the velocity of flow all around of automatic acceleration equipment prevented to move too fast and lead to the tin silk to glue.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a SMT circuit board welding is with automatic quantitative cutting's of tin silk auxiliary assembly, includes driving shaft (1), its characterized in that: the device is characterized in that a rotating gear (2) is movably connected to the left side of the driving shaft (1), a pull rod (3) is movably connected to the top of the rotating gear (2), a pull block (4) is movably connected to the top of the pull rod (3), an extrusion spring (5) is movably connected to the left side of the pull block (4), a connecting seat (6) is movably connected to the right side of the pull block (4), a buffer spring (7) is movably connected to the right side of the connecting seat (6), a supporting rod (8) is movably connected to the right side of the buffer spring (7), a cutter (9) is movably connected to the right side of the supporting rod (8), a lever (10) is movably connected to the top of the pull block (4), a push block (11) is movably connected to the top of the lever (10), a rotating spring (12) is movably connected to the left side of the push block (11), and a rotating screw (13) is movably connected to the right side of the push block (11), rotate screw rod (13) right side swing joint and have connecting axle (14), connecting axle (14) right side activity rotates fan blade (15), rotate screw rod (13) outside swing joint has roating seat (16), driving shaft (1) top swing joint has mount pad (17), the inside swing joint of mount pad (17) has welding wire (18).
2. The automatic quantitative cutting auxiliary device for the tin wires for the soldering of the SMT circuit board according to claim 1, wherein: the two rotating gears (2) are symmetrically distributed on the left side and the right side of the driving shaft (1), and the two rotating gears (2) are meshed with the driving shaft (1).
3. The automatic quantitative cutting auxiliary device for the tin wires for the soldering of the SMT circuit board according to claim 1, wherein: the surface of the inner wall of the rotating seat (16) is movably connected with teeth, and the teeth are meshed with the rotating screw (13).
4. The automatic quantitative cutting auxiliary device for the tin wires for the soldering of the SMT circuit board according to claim 1, wherein: the central axis of the cutter (9) and the central axes of the connecting seat (6), the buffer spring (7) and the supporting rod (8) are in the same straight line.
5. The automatic quantitative cutting auxiliary device for the tin wires for the soldering of the SMT circuit board according to claim 1, wherein: the central axis of the rotary spring (12) and the central axes of the push block (11), the rotary screw rod (13) and the connecting shaft (14) are in the same straight line.
6. The automatic quantitative cutting auxiliary device for the tin wires for the soldering of the SMT circuit board according to claim 1, wherein: the distance between the two cutters (9) is larger than the diameter of the welding wire (18) when the extrusion spring (5) is in a normal state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110474146.XA CN113172295A (en) | 2021-04-29 | 2021-04-29 | Auxiliary assembly of SMT circuit board welding tin silk automatic quantification cutting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110474146.XA CN113172295A (en) | 2021-04-29 | 2021-04-29 | Auxiliary assembly of SMT circuit board welding tin silk automatic quantification cutting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113172295A true CN113172295A (en) | 2021-07-27 |
Family
ID=76925340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110474146.XA Withdrawn CN113172295A (en) | 2021-04-29 | 2021-04-29 | Auxiliary assembly of SMT circuit board welding tin silk automatic quantification cutting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113172295A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059466A (en) * | 2021-11-16 | 2022-02-18 | 芜湖展旭物联网科技有限公司 | Intelligent transportation is with independently adjusting formula auxiliary assembly to road vehicle limit for height |
| CN115351544A (en) * | 2022-09-15 | 2022-11-18 | 南通皋鑫科技开发有限公司 | SMD diode production pin welding set |
-
2021
- 2021-04-29 CN CN202110474146.XA patent/CN113172295A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059466A (en) * | 2021-11-16 | 2022-02-18 | 芜湖展旭物联网科技有限公司 | Intelligent transportation is with independently adjusting formula auxiliary assembly to road vehicle limit for height |
| CN115351544A (en) * | 2022-09-15 | 2022-11-18 | 南通皋鑫科技开发有限公司 | SMD diode production pin welding set |
| CN115351544B (en) * | 2022-09-15 | 2023-12-08 | 南通皋鑫科技开发有限公司 | Welding device for production pins of patch diode |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210727 |
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| WW01 | Invention patent application withdrawn after publication |