CN209811574U - Switch PCB welding jig is inhaled to magnetism - Google Patents
Switch PCB welding jig is inhaled to magnetism Download PDFInfo
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- CN209811574U CN209811574U CN201920418355.0U CN201920418355U CN209811574U CN 209811574 U CN209811574 U CN 209811574U CN 201920418355 U CN201920418355 U CN 201920418355U CN 209811574 U CN209811574 U CN 209811574U
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- bracket
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Abstract
The utility model discloses a magnetic suction switch PCB welding jig, which comprises a bracket, a movable clamping arm and a fixed clamping arm; the fixed clamping arm is fixedly connected with the bracket and is provided with a fixing position; the fixing position is provided with a first lower positioning surface, a first outer side positioning surface and a rear positioning surface; the movable clamping arm is provided with a pivoting part, a first rotating arm and a second rotating arm; a reset elastic element is connected between the second rotating arm and the fixed clamping arm; pressing the second rotating arm inwards, the resetting elastic element is compressed and deformed, and the first rotating arm is opened outwards; after the second rotating arm is released, the second rotating arm resets outwards under the reset action force of the reset elastic element, and the first rotating arm resets inwards so that a clamping position for clamping the magnetic suction switch PCB is formed between the inner side of the first rotating arm and the fixed position; its improvement is inhaled switch PCB's clamp to magnetism and is pressed from both sides tight steadiness, and welding operation is more convenient, welds more quick accurate, also can not produce outward appearance and function harmfully, improves processing quality and efficiency, reduces the processing cost.
Description
Technical Field
The utility model relates to an earphone field technique especially indicates a switch PCB welding jig is inhaled to magnetism.
Background
In the production process of the earphone, the magnetic switch PCB needs to be welded. The existing welding method is as follows: firstly, preparing a fixing jig stuck with a double-sided adhesive tape, then placing the magnetic switch PCB at the position of the double-sided adhesive tape for fixing, and then welding. The method for fixing and welding the magnetic switch PCB has the following defects: fixed phenomenon appears easily and does not live, influences welding efficiency, simultaneously, because fixed not living magnetism to inhale switch PCB, then magnetism inhales switch PCB and drops easily, causes magnetism to inhale switch PCB's outward appearance dirty, and then influences its normal function, moreover, the defective rate is high, and the finished product quality is low, leads to the processing cost high.
Therefore, in the patent application of the utility model, the applicant has studied a magnetism and has inhaled switch PCB welding jig meticulously and has solved above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a switch PCB welding jig is inhaled to magnetism, and it will inhale switch PCB earlier and place on fixed position, and the rethread activity centre gripping arm realizes inhaling switch PCB's centre gripping to magnetism, improves the tight steadiness of clamp to magnetism switch PCB's magnetism, and welding operation is more convenient, welds more fast accurate, also can not produce outward appearance and functional failure, has improved processing quality and efficiency, has reduced the processing cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a magnetic suction switch PCB welding jig comprises a bracket, a movable clamping arm and a fixed clamping arm, wherein the movable clamping arm and the fixed clamping arm are arranged on the bracket;
the fixed clamping arm is fixedly connected with the bracket, and the front end of the fixed clamping arm is provided with a fixing position for bearing the magnetic suction switch PCB; the fixing position is provided with a first lower positioning surface, a first outer side positioning surface and a rear positioning surface;
the movable clamping arm is provided with a pivoting part for pivoting the support, and a first rotating arm and a second rotating arm which are respectively positioned at the front side and the rear side of the pivoting part; a reset elastic element is connected between the second rotating arm and the rear end of the fixed clamping arm; pressing the second rotating arm inwards, the resetting elastic element is compressed and deformed, and the first rotating arm is opened outwards; after the second rotating arm is released, the second rotating arm resets outwards under the reset action force of the reset elastic element, and the first rotating arm resets inwards to enable the clamping position used for clamping the magnetic switch PCB to be formed between the inner side of the first rotating arm and the fixed position.
As a preferred scheme, the upper end surface of the bracket is concavely provided with clamping grooves which penetrate through the front end and the rear end of the bracket, the fixed clamping arm is embedded in the clamping groove, and the front end and the rear end of the fixed clamping arm respectively extend out of the front side and the rear side of the bracket;
the concave groove of stepping down that is used for activity centre gripping arm free rotation that is equipped with of up end of support, the groove of stepping down link up in the support before, rear end, activity centre gripping arm dress is located the inslot of stepping down and first swinging boom and second swinging boom stretch respectively and expose outside the support, and, the pin joint portion pin joint of activity centre gripping arm is in the diapire in the groove of stepping down.
As a preferred scheme, the inner side of the rear end of the fixed clamping arm is connected with a first convex column, the inner side of the rear end of the movable clamping arm is connected with a second convex column, the reset elastic element is a spring, and two ends of the reset elastic element are respectively sleeved on the first convex column and the second convex column.
As a preferable scheme, the upper end face of the bracket is detachably connected with a pressing plate, and the fixed clamping arm and the movable clamping arm are both positioned between the pressing plate and the bracket; and the movable clamping arm and the fixed clamping arm are detachably assembled on the bracket.
As a preferred scheme, the lower end of the support is rotatably connected with a base.
As a preferred scheme, the lower end of the support is connected with a rotating shaft, the base is provided with a rotating shaft hole, and the rotating shaft is adaptive to the rotating shaft hole.
As a preferred scheme, the periphery cover of pivot is equipped with the bearing, the base has seted up the bearing mounting groove corresponding to the bearing, bearing mounting groove intercommunication pivot hole and bearing mounting groove and pivot hole are located same axis.
As a preferable scheme, a first positioning hole is formed in the peripheral side wall of the rotating shaft, a second positioning hole is formed in the peripheral side wall of the base, the second positioning hole is communicated with the rotating shaft hole, and the base penetrates through the second positioning hole through a positioning pin to be matched with the first positioning hole of the rotating shaft.
Preferably, the inner side of the first rotating arm is provided with a second lower positioning surface which is flush with the first lower positioning surface.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly: the magnetic suction switch PCB is placed on a fixed position through the matching of the fixed clamping arm and the movable clamping arm, and then the magnetic suction switch PCB is clamped through the movable clamping arm, so that the clamping stability of the magnetic suction switch PCB is improved, the welding operation is more convenient, the welding is faster and more accurate, poor appearance and function are not generated, the processing quality and efficiency are improved, and the processing cost is reduced;
secondly, multi-angle welding is realized through the matching of the rotating shaft and the bearing, the welding efficiency and the welding precision are improved, particularly, the welding at a specific angle is realized through the matching of the first positioning hole and the second positioning hole, and the welding quality is not influenced by the rotation in the welding process;
the whole structure is ingenious and reasonable in design, all parts are convenient and firm to assemble, and stability and reliability in the welding process are ensured; in addition, this switch PCB welding jig is inhaled to magnetism can general the switch PCB use of inhaling of multiple shape, and its commonality is good.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is an exploded view of an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of an embodiment of the present invention;
fig. 5 is a top view (in a natural state) of an embodiment of the present invention.
The attached drawings indicate the following:
10. bracket 11 and clamping groove
12. Receding groove 13 and pressing plate
14. Spring
20. Movable clamping arm 21, pivot joint part
22. First rotating arm 221 and second extending groove
222. Second lower positioning surface 23 and second rotating arm
231. Second convex column
30. Fixed clamping arm 301 and first lower positioning surface
302. First outer positioning surface 303 and rear positioning surface
304. First extending groove 31 and first convex column
40. Base 401, pivot hole
402. Bearing mounting groove 403 and second positioning hole
41. Rotating shaft 411 and first positioning hole
42. Bearing assembly
50. Switch PCB is inhaled to magnetism.
Detailed Description
Referring to fig. 1 to 5, which show specific structures of an embodiment of the present invention, a magnetic switch PCB 50 welding jig includes a bracket 10, and a movable clamping arm 20 and a fixed clamping arm 30 disposed on the bracket 10;
the fixed clamping arm 30 is fixedly connected with the bracket 10, and the front end of the fixed clamping arm 30 is provided with a fixing position for bearing the magnetic switch PCB 50; in this embodiment, the upper end surface of the bracket 10 is concavely provided with a slot 11 penetrating through the front end and the rear end of the bracket 10, the fixed clamping arm 30 is embedded in the slot 11, and the front end and the rear end of the fixed clamping arm 30 respectively extend out of the front side and the rear side of the bracket 10. Preferably, the fixing position has a first lower positioning surface 301, a first outer positioning surface 302 and a rear positioning surface 303;
the movable clamping arm 20 is provided with a pivoting part 21 for pivoting the support 10, and a first rotating arm 22 and a second rotating arm 23 which are respectively positioned at the front side and the rear side of the pivoting part 21; a reset elastic element is connected between the second rotating arm 23 and the rear end of the fixed clamping arm 30; pressing the second rotating arm 23 inwards, the reset elastic element is compressed and deformed, and the first rotating arm 22 is opened outwards; after the second rotating arm 23 is released, under the reset action force of the reset elastic element, the second rotating arm 23 is reset outwards, and the first rotating arm 22 is reset inwards to form a clamping position for clamping the magnetic switch PCB 50 between the inner side of the first rotating arm 22 and the fixing position.
It should be noted that the inner side of the first rotating arm 22 has a second lower positioning surface 222, and the second lower positioning surface 222 is flush with the first lower positioning surface 301. Preferably, a first extending groove 304 extending outward in the transverse direction is arranged on the outer side of the first lower positioning surface 301, the first extending groove 304 penetrates through the inner side and the outer side of the front end of the fixed clamping arm 30, and the inner rear end surface of the first extending groove 304 is flush with the rear positioning surface 303; the outer side of the second lower positioning surface 222 is provided with a second extending groove 221 extending outwards in the transverse direction, the second extending groove 221 penetrates through the inner side and the outer side of the front end of the first rotating arm 22, and the inner rear end surface of the second extending groove 221 is flush with the rear positioning surface 303.
In this embodiment, the concave groove 12 that gives way that is used for activity centre gripping arm 20 free rotation that is equipped with in the up end of support 10, the groove 12 that gives way link up in the support 10 front and rear end, activity centre gripping arm 20 is installed in the groove 12 that gives way and first swinging boom 22 and second swinging boom 23 stretch out respectively and expose outside support 10, and, the pin joint 21 pin joint of activity centre gripping arm 20 is in the diapire of the groove 12 that gives way.
In this embodiment, the inner side of the rear end of the fixed clamping arm 30 is connected with a first protruding column 31, the inner side of the rear end of the movable clamping arm 20 is connected with a second protruding column 231, the reset elastic element is a spring 14, and two ends of the reset elastic element are respectively sleeved on the first protruding column 31 and the second protruding column 231.
The upper end surface of the bracket 10 is detachably connected with a pressing plate 13, and the fixed clamping arm 30 and the movable clamping arm 20 are both positioned between the pressing plate 13 and the bracket 10; and the movable clamping arm 20 and the fixed clamping arm 30 are both detachably assembled on the support 10. It should be noted that the clamping grooves 11 and the abdicating grooves 12 are arranged at left and right intervals and both have upper end openings, and the pressing plate 13 covers the two upper end openings together.
The lower end of the bracket 10 is rotatably connected with a base 40. In this embodiment, the lower end of the bracket 10 is connected to a rotating shaft 41, and in this embodiment, the rotating shaft 41 is connected to the bracket 10 by a screw (not shown). The base 40 is provided with a rotating shaft hole 401, and the rotating shaft 41 is adapted to the rotating shaft hole 401. Preferably, the outer circumference of the rotating shaft 41 is sleeved with a bearing 42, the base 40 is provided with a bearing mounting groove 402 corresponding to the bearing 42, the bearing mounting groove 402 is communicated with the rotating shaft hole 401, and the bearing mounting groove 402 and the rotating shaft hole 401 are located on the same axis, and preferably, the bearing mounting groove 402 and the rotating shaft hole 401 are arranged in a vertically stacked manner.
The peripheral side wall of the rotating shaft 41 is provided with a first positioning hole 411, the peripheral side wall of the base 40 is provided with a second positioning hole 403, the second positioning hole 403 is communicated with the rotating shaft hole 401, and the base 40 passes through the second positioning hole 403 through a positioning pin (not shown) to be matched with the first positioning hole 411 of the rotating shaft 41. It should be noted that a plurality of first positioning holes 411 may be provided, so that the bracket 10 may rotate at different angles, and after the rotation angle is determined, the positioning pin may pass through the second positioning hole 403 to be fitted into the corresponding first positioning hole 411 of the rotating shaft 41, so as to limit the rotation, and be at a specific rotation angle, thereby facilitating the welding.
The utility model is mainly designed in such a way that the magnetic attraction switch PCB is placed on a fixed position through the matching of the fixed clamping arm and the movable clamping arm, and then the magnetic attraction switch PCB is clamped through the movable clamping arm, so that the clamping stability of the magnetic attraction switch PCB is improved, the welding operation is more convenient, the welding is quicker and more accurate, the appearance and the function are not poor, the processing quality and efficiency are improved, and the processing cost is reduced;
secondly, multi-angle welding is realized through the matching of the rotating shaft and the bearing, the welding efficiency and the welding precision are improved, particularly, the welding at a specific angle is realized through the matching of the first positioning hole and the second positioning hole, and the welding quality is not influenced by the rotation in the welding process;
the whole structure is ingenious and reasonable in design, all parts are convenient and firm to assemble, and stability and reliability in the welding process are ensured; in addition, this switch PCB welding jig is inhaled to magnetism can general the switch PCB use of inhaling of multiple shape, and its commonality is good.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a switch PCB welding jig is inhaled to magnetism which characterized in that: comprises a bracket, a movable clamping arm and a fixed clamping arm which are arranged on the bracket;
the fixed clamping arm is fixedly connected with the bracket, and the front end of the fixed clamping arm is provided with a fixing position for bearing the magnetic suction switch PCB; the fixing position is provided with a first lower positioning surface, a first outer side positioning surface and a rear positioning surface;
the movable clamping arm is provided with a pivoting part for pivoting the support, and a first rotating arm and a second rotating arm which are respectively positioned at the front side and the rear side of the pivoting part; a reset elastic element is connected between the second rotating arm and the rear end of the fixed clamping arm; pressing the second rotating arm inwards, the resetting elastic element is compressed and deformed, and the first rotating arm is opened outwards; after the second rotating arm is released, the second rotating arm resets outwards under the reset action force of the reset elastic element, and the first rotating arm resets inwards to enable the clamping position used for clamping the magnetic switch PCB to be formed between the inner side of the first rotating arm and the fixed position.
2. The PCB welding jig of claim 1, wherein: the upper end surface of the bracket is concavely provided with clamping grooves which are communicated with the front end and the rear end of the bracket, the fixed clamping arm is embedded in the clamping grooves, and the front end and the rear end of the fixed clamping arm respectively extend out of the front side and the rear side of the bracket;
the concave groove of stepping down that is used for activity centre gripping arm free rotation that is equipped with of up end of support, the groove of stepping down link up in the support before, rear end, activity centre gripping arm dress is located the inslot of stepping down and first swinging boom and second swinging boom stretch respectively and expose outside the support, and, the pin joint portion pin joint of activity centre gripping arm is in the diapire in the groove of stepping down.
3. The PCB welding jig of claim 1, wherein: the inner side of the rear end of the fixed clamping arm is connected with a first convex column, the inner side of the rear end of the movable clamping arm is connected with a second convex column, the reset elastic element is a spring, and two ends of the reset elastic element are respectively sleeved on the first convex column and the second convex column.
4. The PCB welding jig of claim 2, wherein: the upper end surface of the bracket is detachably connected with a pressing plate, and the fixed clamping arm and the movable clamping arm are both positioned between the pressing plate and the bracket; and the movable clamping arm and the fixed clamping arm are detachably assembled on the bracket.
5. The PCB welding jig of claim 1, wherein: the lower end of the bracket is rotatably connected with a base.
6. The PCB welding jig of claim 5, wherein: the lower extreme of support is connected with the pivot, the pivot hole has been seted up to the base, the pivot adaptation is in the pivot hole.
7. The PCB welding jig of claim 6, wherein: the periphery cover of pivot is equipped with the bearing, the base corresponds the bearing and has seted up the bearing mounting groove, bearing mounting groove intercommunication pivot hole and bearing mounting groove and pivot hole are located same axis.
8. The PCB welding jig of claim 6, wherein: first locating hole has been seted up to the week lateral wall of pivot, second locating hole has been seted up to the week lateral wall of base, second locating hole intercommunication pivot hole, the base passes the first locating hole of second locating hole adaptation pivot through the locating pin.
9. The PCB welding jig of claim 1, wherein: the inner side of the first rotating arm is provided with a second lower positioning surface which is flush with the first lower positioning surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920418355.0U CN209811574U (en) | 2019-03-29 | 2019-03-29 | Switch PCB welding jig is inhaled to magnetism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920418355.0U CN209811574U (en) | 2019-03-29 | 2019-03-29 | Switch PCB welding jig is inhaled to magnetism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209811574U true CN209811574U (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920418355.0U Active CN209811574U (en) | 2019-03-29 | 2019-03-29 | Switch PCB welding jig is inhaled to magnetism |
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| Country | Link |
|---|---|
| CN (1) | CN209811574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112847145A (en) * | 2021-02-07 | 2021-05-28 | 华海清科股份有限公司 | Polishing solution supply arm and chemical mechanical polishing device |
-
2019
- 2019-03-29 CN CN201920418355.0U patent/CN209811574U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112847145A (en) * | 2021-02-07 | 2021-05-28 | 华海清科股份有限公司 | Polishing solution supply arm and chemical mechanical polishing device |
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