CN111975159A - Lead-free tin spraying machine with buffering function - Google Patents
Lead-free tin spraying machine with buffering function Download PDFInfo
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- CN111975159A CN111975159A CN202010640602.9A CN202010640602A CN111975159A CN 111975159 A CN111975159 A CN 111975159A CN 202010640602 A CN202010640602 A CN 202010640602A CN 111975159 A CN111975159 A CN 111975159A
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- 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
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Abstract
The invention discloses a lead-free tin spraying machine with a buffering function, relates to the technical field of lead-free tin spraying machines, and aims at solving the problem of poor buffering performance of the existing lead-free tin spraying machine. The angle adjusting device can effectively protect the lead-free tin spraying machine, can quickly store and release the protection components of the lead-free tin spraying machine, can simply and conveniently adjust the angle of the lead-free tin spraying machine, and is high in protection performance and convenient to use.
Description
Technical Field
The invention relates to the technical field of lead-free tin spraying machines, in particular to a lead-free tin spraying machine with a buffering function.
Background
In the processing process of electronic elements such as inductors, transformers, relays and the like, a corresponding tin spraying machine is needed to be used for carrying out tin coating treatment on the electronic elements.
Although the existing lead-free tin spraying machine can process and treat electronic elements, the buffering performance is poor, when the lead-free tin spraying machine is in hard collision with the ground in the transportation or carrying process, the parts inside the lead-free tin spraying machine often vibrate strongly, in the process, the parts inside the lead-free tin spraying machine are loosened, even the parts inside the lead-free tin spraying machine are possibly damaged, and the lead-free tin spraying machine cannot work normally, so that the lead-free tin spraying machine with the buffering function is provided.
Disclosure of Invention
The lead-free tin spraying machine with the buffering function provided by the invention solves the problem of poor buffering performance of the lead-free tin spraying machine.
In order to achieve the purpose, the invention adopts the following technical scheme:
a lead-free tin spraying machine with a buffering function comprises a base, wherein a supporting seat which is transversely arranged is connected to the inside of the base in a sliding mode, a rotating groove is formed in the middle of the supporting seat, a connecting base which is transversely arranged is connected to the inside of the rotating groove in a rotating mode, a lead-free tin spraying machine main body which is transversely arranged is fixed to the top of the connecting base through screws, a protection mechanism is arranged at the end portion of the base, the lead-free tin spraying machine main body is protected through the protection mechanism, vertically-arranged studs are fixed to four corners of the inner wall of the bottom of the base, sliding holes are formed in four corners of the supporting seat, the studs are connected to the inside of the sliding holes in a sliding mode in a relative sliding mode, buffering springs which are vertically arranged are arranged on two sides of the four corners of the supporting seat, the buffering springs are movably sleeved on the outer portions of the studs, a limiting sleeve, supporting blocks transversely arranged are welded at two ends of the supporting seat, an annular groove is formed in the inner wall of the rotating groove, and the supporting blocks are respectively connected inside the annular groove in a sliding mode.
Preferably, the protection mechanism comprises a holding tank, a driving motor, a rotating shaft, a protection cover and a connecting rod, the holding tank is arranged on the inner walls of the two ends of the base, the driving motor is fixed on the inner wall of the holding tank at the left end of the base by screws, the rotating shaft is connected to the output end of the driving motor in a transmission way, one end of the rotating shaft, which is far away from the driving motor, is rotatably connected to the inner wall of the holding tank, which is far away from one end of the driving motor, through a bearing, the protective cover covers the top of the main body of the lead-free tin spraying machine, the connecting rod is connected in a sliding way in a containing groove at the right end of the base, one end of the protective cover is fixed on the outer wall of the rotating shaft, the other end of the protective cover is fixed on the outer wall of the connecting rod, the notch has been seted up to the right-hand member of base, the length of notch is greater than the length of connecting rod, protection casing sliding connection is in the inside of holding tank notch.
Preferably, the top of the right end of the base is slidably connected with a horizontally arranged limiting block, one end of the limiting block, which is close to the main body of the lead-free tin spraying machine, is in contact with the protective cover, vertically arranged positioning blocks are fixed on both sides of the top of the right end of the base, horizontally arranged positioning grooves are formed in both sides of the limiting block, the positioning blocks are relatively slidably connected inside the positioning grooves, a horizontally arranged return spring is arranged inside the positioning grooves, one end of the return spring is fixed on the inner wall of the positioning groove, and the other end of the return spring is fixed on the positioning block.
Preferably, the base is the spill structure, the assembly groove has been seted up to the inner wall of base bottom, the inner wall fix with screw of assembly groove bottom has the step motor of vertical setting, step motor's output transmission is connected with the axis of rotation of vertical setting, step motor's one end is fixed with the drive block of horizontal setting in the axis of rotation, the drive groove has been seted up to the bottom of connecting the base, drive block sliding connection is in the inside in drive groove.
Preferably, the connecting base is of a circular structure, the driving block is a rectangular block, and the driving groove is a rectangular groove.
Preferably, the length of the protective cover is greater than that of the lead-free tin spraying machine main body.
In the invention:
through the matching work of the base, the supporting seat, the rotating groove, the connecting base, the main body of the lead-free tin spraying machine, the stud, the sliding hole, the buffer spring, the limiting sleeve, the supporting block, the annular groove, the containing groove, the driving motor, the rotating shaft, the protective cover, the connecting rod, the notch, the limiting block, the positioning groove, the reset spring, the assembling groove, the stepping motor, the rotating shaft, the driving block and the driving groove, on one hand, the lead-free tin spraying machine can be effectively buffered and protected, the lead-free tin spraying machine is prevented from being strongly and rigidly collided with the ground in the transportation or carrying process, the components in the lead-free tin spraying machine are prevented from being loosened, the lead-free tin spraying machine and the components in the lead-free tin spraying machine are effectively protected, the protection performance is high, the lead-free tin spraying machine in an idle state can be effectively protected, and the lead-free tin spraying machine is prevented from being, the lead-free tin spraying machine is damaged, and the lead-free tin spraying machine is effectively protected; on the other hand can be according to the user demand of unleaded tin spraying machine, and the quick protective component to unleaded tin spraying machine is accomodate, and the person of facilitating the use uses unleaded tin spraying machine to can simple and convenient adjust the angle of unleaded tin spraying machine, thereby the person of facilitating the use controls unleaded tin spraying machine, and the flexibility ratio is high.
In conclusion, the lead-free tin spraying machine can be effectively protected, the protection components of the lead-free tin spraying machine can be rapidly stored and released, the angle of the lead-free tin spraying machine can be simply and conveniently adjusted, the protection performance is high, and the use is convenient.
Drawings
FIG. 1 is a schematic structural diagram of a lead-free tin spraying machine with a buffering function according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
fig. 4 is a schematic structural diagram of a rotating shaft of the lead-free tin spraying machine with a buffering function.
Reference numbers in the figures: 1. a base; 2. a supporting seat; 3. a rotating groove; 4. connecting a base; 5. a lead-free tin spraying machine main body; 6. a stud; 7. a slide hole; 8. a buffer spring; 9. a restraining sleeve; 10. a support block; 11. an annular groove; 12. accommodating grooves; 13. a drive motor; 14. a rotating shaft; 15. a protective cover; 16. a connecting rod; 17. a notch; 18. a limiting block; 19. positioning blocks; 20. positioning a groove; 21. a return spring; 22. assembling a groove; 23. a stepping motor; 24. a rotating shaft; 25. a drive block; 26. the groove is driven.
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.
Referring to fig. 1-4, a lead-free tin spraying machine with a buffering function comprises a base 1, a supporting seat 2 which is transversely arranged is slidably connected inside the base 1, a rotating groove 3 is formed in the middle of the supporting seat 2, a connecting base 4 which is transversely arranged is rotatably connected inside the rotating groove 3, a lead-free tin spraying machine main body 5 which is transversely arranged is fixed on the top of the connecting base 4 through screws, a protection mechanism is arranged at the end part of the base 1, the lead-free tin spraying machine main body 5 is protected through the protection mechanism, vertically arranged studs 6 are fixed at four corners of the inner wall of the bottom of the base 1, slide holes 7 are formed at four corners of the supporting seat 2, the studs 6 are relatively slidably connected inside the slide holes 7, vertically arranged buffer springs 8 are arranged at two sides of the four corners of the supporting seat 2, the buffer springs 8 are movably sleeved outside the studs 6, and a limiting sleeve 9 is screwed on the, the diameter of the limiting sleeve 9 is larger than the aperture of the sliding hole 7, the two ends of the supporting seat 2 are welded with the supporting blocks 10 which are transversely arranged, the inner wall of the rotating groove 3 is provided with an annular groove 11, the supporting blocks 10 are respectively connected inside the annular groove 11 in a sliding manner, when the lead-free tin spraying machine main body 5 collides with the ground in the transportation or transportation process, the lead-free tin spraying machine main body 5 is caused to vibrate, at the moment, the lead-free tin spraying machine main body 5 can drive the supporting seat 2 and the connecting base 4 to vertically displace, at the moment, the supporting seat 2 and the connecting base 4 can be buffered through the elasticity of the buffer spring 8, the lead-free tin spraying machine main body 5 connected with the top of the base 4 is effectively buffered and protected, the lead-free tin spraying machine main body 5 is prevented from being strongly collided with the ground in the transportation or transportation process, and parts inside the lead-free tin, the lead-free tin spraying machine main body 5 and the components inside the lead-free tin spraying machine main body are effectively protected, and the protection performance is high.
The protection mechanism comprises a holding tank 12, a driving motor 13, a rotating shaft 14, a protective cover 15 and a connecting rod 16, wherein the holding tank 12 is arranged on the inner walls of two ends of a base 1, the driving motor 13 is fixed on the inner wall of the holding tank 12 positioned at the left end of the base 1 through screws, the driving motor 13 is a forward and reverse rotating motor, the rotating shaft 14 is connected to the output end of the driving motor 13 in a transmission way, one end of the rotating shaft 14, far away from the driving motor 13, is rotatably connected to the inner wall of one end of the holding tank 12, far away from the driving motor 13, through a bearing, the protective cover 15 covers the top of a lead-free tin spraying machine main body 5, the connecting rod 16 is slidably connected inside the holding tank 12 positioned at the right end of the base 1, one end of the protective cover 15 is fixed on the outer wall of the rotating shaft 14, the other end of the protective cover, the top of the right end of the base 1 is slidably connected with a horizontally arranged limiting block 18, one end of the limiting block 18 close to the lead-free tin spraying machine main body 5 is in contact with the protective cover 15, vertically arranged locating blocks 19 are fixed on both sides of the top of the right end of the base 1, horizontally arranged locating grooves 20 are formed on both sides of the limiting block 18, the locating blocks 19 are relatively slidably connected inside the locating grooves 20, horizontally arranged return springs 21 are arranged inside the locating grooves 20, one ends of the return springs 21 are fixed on the inner walls of the locating grooves 20, the other ends of the return springs 21 are fixed on the locating blocks 19, when a user does not need to use the lead-free tin spraying machine main body 5, the lead-free tin spraying machine main body 5 needs to be protected, the rotating shaft 14 can be driven to rotate through the operation of the driving motor 13, the protective cover 15 outside the rotating shaft 14 can be discharged through the rotating, the protective cover 15 is driven to slide out of the accommodating groove 12, at the moment, a user can cover the protective cover 15 on the top of the lead-free tin spraying machine main body 5, when the protective cover 15 covers the top of the lead-free tin spraying machine main body 5, the user can pull the limiting block 18 at the moment, the limiting block 19 and the positioning groove 20 can be in sliding fit work, the limiting block 18 is driven to horizontally displace through the elasticity of the return spring 21, when the limiting block 18 opens the notch 17, the user can place the connecting rod 16 in the accommodating groove 12 at the moment, the user can loosen the limiting block 18, at the moment, the limiting block 19 and the positioning groove 20 can be in sliding fit work, the limiting block 18 is driven to horizontally displace through the elasticity of the return spring 21, when the limiting block 18 closes the notch 17, at the moment, the connecting rod 16 is fixed in the accommodating groove 12, at the moment, the, accessible protection casing 15 carries out effectual protection to leadless tin spraying machine main part 5 this moment, avoids leadless tin spraying machine main part 5 when not using, and leadless tin spraying machine main part 5 exposes for a long time and receives the erosion of external debris in the external world, leads to leadless tin spraying machine main part 5 to take place to damage, carries out effectual protection to leadless tin spraying machine main part 5.
And when the user needs to use the lead-free tin spraying machine main body 5, when the protective component of the lead-free tin spraying machine main body 5 needs to be accommodated, the user can pull the limiting block 18, the sliding fit operation of the positioning block 19 and the positioning groove 20 can be realized at the moment, the limiting block 18 is driven to horizontally displace through the elasticity of the return spring 21, when the notch 17 is opened by the limiting block 18, the user can take the connecting rod 16 out of the inside of the accommodating groove 12 at the moment, the reverse operation of the driving motor 13 can be realized at the moment, the rotating shaft 14 can be driven to reversely rotate, the protective cover 15 can be accommodated in the rotating shaft 14 through the reverse rotation at the moment, when the protective cover 15 is accommodated in the outside of the rotating shaft 14, the protective cover 15 is protected in the accommodating groove 12 at the moment, and the user can conveniently use.
The base 1 is a concave structure, the inner wall of the bottom of the base 1 is provided with an assembly groove 22, the inner wall of the bottom of the assembly groove 22 is fixed with a vertically arranged stepping motor 23 through a screw, the output end of the stepping motor 23 is connected with a vertically arranged rotating shaft 24 in a transmission way, one end of the rotating shaft 24 far away from the stepping motor 23 is fixed with a horizontally arranged driving block 25, the bottom of the connecting base 4 is provided with a driving groove 26, the driving block 25 is connected inside the driving groove 26 in a sliding way, when a user can use the lead-free tin spraying machine main body 5 and needs to adjust the angle of the lead-free tin spraying machine main body 5, the rotating shaft 24 is driven to rotate through the operation of the stepping motor 23, the driving block 25 can be driven to rotate through the rotating shaft 24, the driving block 25 and the driving groove 26 can be matched to work through the rotation of the rotating groove 3 and the connecting base 4, through the normal running fit work of supporting shoe 10 and ring channel 11, drive and connect base 4 and rotate, drive leadless tin spraying machine main part 5 and rotate, the user can be convenient this moment adjusts leadless tin spraying machine main part 5's angle to the person of facilitating the use uses leadless tin spraying machine main part 5, and the flexibility ratio is high.
The connecting base 4 is of a circular structure, the driving block 25 is a rectangular block, the driving groove 26 is a rectangular groove, and the connecting base 4 can be effectively driven through the matching work of the driving block 25 and the driving groove 26 of the rectangular structure.
The length of the protective cover 15 is larger than that of the lead-free tin spraying machine main body 5, and the lead-free tin spraying machine main body 5 can be effectively protected by the protective cover 15 with the length larger than that of the lead-free tin spraying machine main body 5.
The working principle is as follows: when the lead-free tin spraying machine main body 5 collides with the ground in the transportation or carrying process and the lead-free tin spraying machine main body 5 is vibrated, the lead-free tin spraying machine main body 5 drives the supporting seat 2 and the connecting base 4 to vertically displace, the supporting seat 2 and the connecting base 4 can be buffered through the elasticity of the buffer spring 8, the lead-free tin spraying machine main body 5 at the top of the connecting base 4 can be effectively buffered and protected, the lead-free tin spraying machine main body 5 is prevented from being strongly and rigidly collided with the ground in the transportation or carrying process, parts in the lead-free tin spraying machine main body 5 are loosened, the lead-free tin spraying machine main body 5 and parts in the lead-free tin spraying machine main body are effectively protected, the protection performance is high, and when a user does not need to use the lead-free tin spraying machine main body 5 and needs to protect the lead-free tin spraying machine main body 5, at this time, the rotating shaft 14 can be driven to rotate by the operation of the driving motor 13, at this time, the protective cover 15 outside the rotating shaft 14 can be released by the rotating shaft 14, at this time, a user can pull the connecting rod 16 to drive the protective cover 15 to slide out of the inside of the accommodating groove 12, at this time, the user can cover the protective cover 15 on the top of the lead-free tin spraying machine main body 5, when the protective cover 15 is covered on the top of the lead-free tin spraying machine main body 5, at this time, the user can pull the limiting block 18, at this time, the limiting block 18 can work in a sliding fit manner through the positioning block 19 and the positioning groove 20, the limiting block 18 is driven to horizontally displace by the elasticity of the return spring 21, when the notch 17 is opened by the limiting block 18, at this time, the user can place the connecting rod 16 inside the accommodating groove 12, at this time, the limiting block 18 is driven to horizontally displace, when the limiting block 18 seals the notch 17, the connecting rod 16 is fixed inside the accommodating groove 12, the protective cover 15 is fixed on the top of the lead-free tin spraying machine main body 5, the lead-free tin spraying machine main body 5 can be effectively protected through the protective cover 15, the lead-free tin spraying machine main body 5 is prevented from being corroded by external sundries after being exposed outside for a long time when the lead-free tin spraying machine main body 5 is not used, the lead-free tin spraying machine main body 5 is damaged, the lead-free tin spraying machine main body 5 is effectively protected, when a user needs to use the lead-free tin spraying machine main body 5 and needs to store the protecting parts of the lead-free tin spraying machine main body 5, the user can pull the limiting block 18, the limiting block 18 can be driven to horizontally displace through the sliding fit work of the positioning block 19 and the positioning groove 20 at the moment, and the elasticity of the return spring 21, when the limiting block 18 opens the notch 17, the user can take the connecting rod 16 out of the interior of the accommodating groove 12, the rotating shaft 14 can be driven to rotate in the reverse direction by the reverse operation of the driving motor 13, the protective cover 15 can be accommodated in the rotating shaft 14 which rotates in the reverse direction, when the protective cover 15 is accommodated outside the rotating shaft 14, the protective cover 15 is protected in the interior of the accommodating groove 12, the user can conveniently use the lead-free tin spraying machine main body 5, and when the user needs to adjust the angle of the lead-free tin spraying machine main body 5 in the process of using the lead-free tin spraying machine main body 5, the rotating shaft 24 can be driven to rotate by the operation of the stepping motor 23, the driving block 25 can be driven to rotate by the rotating shaft 24, the driving block 25 and the driving groove 26 can be driven to rotate by the cooperation of the rotating groove 3 and the connecting base 4, through the normal running fit work of supporting shoe 10 and ring channel 11, drive and connect base 4 and rotate, drive leadless tin spraying machine main part 5 and rotate, the user can be convenient this moment adjusts leadless tin spraying machine main part 5's angle to the person of facilitating the use uses leadless tin spraying machine main part 5, and the flexibility ratio is high.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
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 should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The lead-free tin spraying machine with the buffering function comprises a base (1) and is characterized in that a supporting seat (2) which is transversely arranged is connected to the inside of the base (1) in a sliding mode, a rotating groove (3) is formed in the middle of the supporting seat (2), a connecting base (4) which is transversely arranged is connected to the inside of the rotating groove (3) in a rotating mode, a lead-free tin spraying machine main body (5) which is transversely arranged is fixed to the top of the connecting base (4) through screws, a protection mechanism is arranged at the end portion of the base (1), the lead-free tin spraying machine main body (5) is protected through the protection mechanism, vertically arranged studs (6) are fixed to four corners of the inner wall of the bottom of the base (1), sliding holes (7) are formed in four corners of the supporting seat (2), the studs (6) are connected to the inside of the sliding holes (7) in a relative sliding mode, and vertically arranged buffering springs (8) are arranged on two sides of, buffer spring (8) activity cover is established in the outside of double-screw bolt (6), the outer wall spiro union at double-screw bolt (6) top has connect restriction cover (9), the diameter of restriction cover (9) is greater than the aperture of slide opening (7), the both ends of supporting seat (2) all weld supporting shoe (10) of horizontal setting, annular groove (11) have been seted up to the inner wall of rotation groove (3), supporting shoe (10) sliding connection is respectively in the inside of annular groove (11).
2. The lead-free tin spraying machine with the buffering function is characterized in that the protection mechanism comprises a holding tank (12), a driving motor (13), a rotating shaft (14), a protection cover (15) and a connecting rod (16), the holding tank (12) is arranged on the inner walls of the two ends of the base (1), the driving motor (13) is fixed on the inner wall of the holding tank (12) at the left end of the base (1) through screws, the rotating shaft (14) is connected to the output end of the driving motor (13) in a transmission manner, one end, far away from the driving motor (13), of the rotating shaft (14) is connected to the inner wall of one end, far away from the driving motor (13), of the holding tank (12) through a bearing in a rotating manner, the protection cover (15) covers the top of the lead-free tin spraying machine main body (5), and the connecting rod (16) is connected inside the holding tank (12) at the right end of the base, the one end of protection casing (15) is fixed on the outer wall of pivot (14), the other end of protection casing (15) is fixed on the outer wall of connecting rod (16), notch (17) have been seted up to the right-hand member of base (1), the length of notch (17) is greater than the length of connecting rod (16), protection casing (15) sliding connection is in the inside of holding tank (12) notch.
3. The lead-free tin spraying machine with the buffering function is characterized in that a limiting block (18) which is transversely arranged is connected to the top of the right end of the base (1) in a sliding mode, one end, close to the lead-free tin spraying machine main body (5), of the limiting block (18) is in contact with the protective cover (15), positioning blocks (19) which are vertically arranged are fixed to two sides of the top of the right end of the base (1), positioning grooves (20) which are transversely arranged are formed in two sides of the limiting block (18), the positioning block (19) is connected to the inside of the positioning grooves (20) in a sliding mode relatively, return springs (21) which are transversely arranged are arranged inside the positioning grooves (20), one ends of the return springs (21) are fixed to the inner wall of the positioning grooves (20), and the other ends of the return springs (21) are fixed to the positioning blocks (19).
4. The lead-free tin spraying machine with the buffering function is characterized in that the base (1) is of a concave structure, an assembling groove (22) is formed in the inner wall of the bottom of the base (1), a vertically-arranged stepping motor (23) is fixed to the inner wall of the bottom of the assembling groove (22) through screws, a vertically-arranged rotating shaft (24) is connected to the output end of the stepping motor (23) in a transmission mode, a horizontally-arranged driving block (25) is fixed to one end, far away from the stepping motor (23), of the rotating shaft (24), a driving groove (26) is formed in the bottom of the connecting base (4), and the driving block (25) is connected to the inside of the driving groove (26) in a sliding mode.
5. The lead-free tin sprayer with the buffering function is characterized in that the connecting base (4) is of a circular structure, the driving block (25) is a rectangular block, and the driving groove (26) is a rectangular groove.
6. The lead-free tin sprayer with the buffering function is characterized in that the length of the protective cover (15) is greater than that of the lead-free tin sprayer body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010640602.9A CN111975159B (en) | 2020-07-06 | 2020-07-06 | Lead-free tin spraying machine with buffering function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010640602.9A CN111975159B (en) | 2020-07-06 | 2020-07-06 | Lead-free tin spraying machine with buffering function |
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| CN111975159A true CN111975159A (en) | 2020-11-24 |
| CN111975159B CN111975159B (en) | 2022-04-22 |
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| CN111975159B (en) | 2022-04-22 |
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