CN212885566U

CN212885566U - Auxiliary welding device for contact pin on printed board assembly of power filter

Info

Publication number: CN212885566U
Application number: CN202021005265.8U
Authority: CN
Inventors: 徐景; 聂正威; 何精华
Original assignee: Chengdu Hongming Electronics Co Ltd
Current assignee: Chengdu Hongming Electronics Co Ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-04-06
Anticipated expiration: 2030-06-04

Abstract

The utility model discloses an auxiliary welding device for a contact pin on a power filter printed board assembly, which comprises an observing and positioning base and a positioning plate, wherein a contact pin positioning structure is arranged on the observing and positioning base, the contact pin positioning structure comprises a positioning table, observing space regions are arranged in the upper space and the lower space of the positioning table, and a limiting table top is arranged at the bottom of the lower space of the positioning table; the top of the observation positioning base is provided with a plurality of threaded sleeves, all the threaded sleeves are provided with positioning plates, the positioning plates are connected with the threaded sleeves in a positioning mode through positioning screws, and the positioning plates are parallel to the positioning table; the positioning plate is provided with a plurality of positioning holes A, and the positioning table is provided with positioning holes B corresponding to the positioning holes A in a penetrating mode. The utility model discloses can guarantee printing board subassembly welding contact pin's straightness that hangs down and higher position precision, welding assembly simple operation has improved printing board subassembly welding efficiency and welding quality.

Description

Auxiliary welding device for contact pin on printed board assembly of power filter

Technical Field

The utility model relates to a power filter makes technical field, especially relates to an auxiliary welding device that is used for power filter printed board subassembly to go up contact pin.

Background

The power filter (also called power EMI filter or EMI power filter) is a filter circuit composed of a capacitor, an inductor and a resistor, and the current power filters are various, wherein one type of power filter is composed of a shell, a cover plate, a printed board assembly and the like, the printed board assembly of the power filter is welded and fixed with a plurality of metal contact pins, and the power filter is assembled after the metal contact pins are welded and finally forms a filter assembly with a filter function. When the contact pin was welded to the tradition on printed board subassembly, often adopt artifical direct welding's mode, when welding operation, because can not fixed printed board subassembly and contact pin simultaneously, often the welding degree of difficulty is big, welding speed is slow, welding operation is also very inconvenient, probably scald welding personnel appears even. Moreover, the situation that the pins are welded askew is very easy to occur during welding, so that the positions and the installation quality of the welded pins are difficult to ensure, and the power filter is difficult to assemble and even cannot be assembled. Therefore, how to ensure the verticality of the plug-in welding by welding the contact pin on the printed board assembly is a great technical problem in the production of the power filter and also influences the delivery quality of the power filter.

SUMMERY OF THE UTILITY MODEL

Weak point to prior art exists, the utility model aims to provide an auxiliary welding device for power filter printed board subassembly goes up contact pin can guarantee printing board subassembly welding contact pin's straightness that hangs down and higher position precision, and welding assembly simple operation has improved printing board subassembly welding efficiency and welding quality.

The purpose of the utility model is realized through the following technical scheme:

an auxiliary welding device for a contact pin on a printed board assembly of a power filter comprises an observation positioning base and a positioning plate, wherein a contact pin positioning structure is arranged on the observation positioning base and comprises a positioning table, observation space areas are formed in the upper space and the lower space of the positioning table, and a limiting table top is arranged at the bottom of the lower space of the positioning table; the top of the observation positioning base is provided with a plurality of threaded sleeves, all the threaded sleeves are provided with positioning plates, the positioning plates are connected with the threaded sleeves in a positioning mode through positioning screws, and the positioning plates are parallel to the positioning table; the positioning plate is provided with a plurality of positioning holes A, and the positioning table is provided with positioning holes B corresponding to the positioning holes A in a penetrating mode.

In order to realize better the utility model discloses, the utility model discloses still include the printed board subassembly and treat the welding contact pin, printed board subassembly and set screw location connection, parallel arrangement about printed board subassembly and the locating plate, the printed board subassembly has the grafting welding hole corresponding with locating hole A, treat that the welding contact pin tip coordinates in proper order and passes the grafting welding hole of printed board subassembly, the locating hole A of locating plate, the locating hole B of location platform and place in on spacing mesa.

Preferably, the positioning screw comprises an insertion column, a middle connecting portion and a threaded connecting column, the insertion column is fixed to the top of the middle connecting portion, the threaded connecting column is fixed to the bottom of the middle connecting portion, the printed board assembly is provided with a positioning insertion hole which is in matched insertion connection with the insertion column of the positioning screw, and the threaded connecting column of the positioning screw penetrates through the positioning plate and is in threaded connection and fixing with a threaded sleeve at the top of the observation positioning base.

Preferably, the observation positioning base is provided with two contact pin positioning structures, and the two contact pin positioning structures are symmetrically arranged on two corresponding sides of the observation positioning base.

Preferably, the corner positions of the top of the observation positioning base are respectively fixed with a threaded sleeve, the corner positions of the positioning plate are respectively provided with a screw hole matched with the threaded connecting column, the corner positions of the printed board assembly are respectively provided with a positioning jack, and the four positioning jacks, the four screw holes and the four threaded sleeves are arranged in a one-to-one correspondence manner.

Preferably, the inserting column, the middle connecting part and the threaded connecting column of the positioning screw are manufactured in an integrated forming mode.

Compared with the prior art, the utility model, have following advantage and beneficial effect:

(1) the utility model discloses can guarantee printing board subassembly welding contact pin's straightness that hangs down and higher position precision, welding assembly simple operation has improved printing board subassembly welding efficiency and welding quality.

(2) The utility model discloses when the welding assembly, the location jack of printed board subassembly corresponds with each set screw's spliced pole and pegs graft, and the welding contact pin distribution is treated to each of printed board subassembly and is carried out positioning assembly, and the crooked condition of contact pin can not appear in the welding process after the assembly, can realize the quick dismantlement of printed board subassembly after the welding is accomplished, has ensured the contact pin welding altitude uniformity and the straightness that hangs down of printed board subassembly.

(3) The utility model provides a power filter's printed board subassembly's the big and easily crooked problem of the contact pin welding degree of difficulty, when welding operation, but real-time observation contact pin position relation, altitude relation and the straightness condition that hangs down have effectively guaranteed power filter's assembly quality and product quality.

Drawings

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

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

fig. 3 is a schematic structural view of the set screw.

Wherein, the names corresponding to the reference numbers in the drawings are:

1-observation positioning base, 2-positioning table, 3-limiting table surface, 4-observation space area, 5-thread sleeve, 6-positioning plate, 61-positioning hole A, 7-positioning screw, 71-middle connecting part, 72-plug column, 73-thread connecting column, 8-printed board assembly and 9-contact pin to be welded.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

examples

As shown in fig. 1-3, an auxiliary welding device for contact pin on power filter printed board assembly, including observing location base 1 and locating plate 6, observe and be equipped with contact pin location structure on the location base 1, contact pin location structure includes location platform 2, and the upper and lower space of location platform 2 has all opened observation space region 4, and the below space bottom of location platform 2 has spacing mesa 3. Observe that a plurality of thread bush 5 is installed at 1 top of location base, be equipped with locating plate 6 on all thread bushes 5, locating plate 6 passes through set screw 7 and is connected with thread bush 5 location, and locating plate 6 is parallel to each other with location platform 2. The positioning plate 6 is provided with a plurality of positioning holes A61, and the positioning table 2 is provided with a positioning hole B corresponding to the positioning hole A61 in a penetrating way.

The utility model discloses mainly used cooperation welding treats welding contact pin 9 on printing board subassembly 8, the utility model discloses still include printing board subassembly 8 and treat welding contact pin 9, printing board subassembly 8 and set screw 7 location connection, parallel arrangement about printing board subassembly 8 and locating plate 6, printing board subassembly 8 have with locating hole A61 corresponding plug-in connection hole, treat welding contact pin 9 tip and cooperate the plug-in connection hole that passes printing board subassembly 8 in proper order, locating hole A61 of locating plate 6, locating hole B of locating platform 2 and place in on spacing mesa 3.

As shown in fig. 3, the positioning screw 7 includes a plug column 72, a middle connecting portion 71 and a threaded connecting column 73, the plug column 72 is fixed on the top of the middle connecting portion 71, the threaded connecting column 73 is fixed on the bottom of the middle connecting portion 71, the printed board assembly 8 is provided with a positioning insertion hole which is matched and plugged with the plug column 72 of the positioning screw 7, and the threaded connecting column 73 of the positioning screw 7 penetrates through the positioning plate 6 and is fixed in threaded connection with the threaded sleeve 5 on the top of the observation positioning base 1. The plug-in post 72, the middle connecting portion 71 and the threaded connecting post 73 of the positioning screw 7 of the present embodiment are integrally formed.

The utility model discloses an observe location base 1 and be equipped with two contact pin location structure, two contact pin location structure symmetries set up in observing the corresponding both sides of location base 1, and this kind of technical scheme mainly used printed board subassembly 8 both sides respectively the symmetric welding have a plurality of to treat the printing board subassembly structure of welding contact pin 9. As shown in fig. 2, one side of the observation positioning base 1 of the present embodiment is provided with one pin positioning structure (the pin positioning structure can position and assemble three pins 9 to be welded), and the other side of the observation positioning base 1 is provided with two pin positioning structures (each pin positioning structure can position and assemble two pins 9 to be welded, so that the other side of the observation positioning base 1 can position and assemble four pins 9 to be welded). Of course, the utility model discloses observe location base 1 and set up contact pin location structure's quantity and position relation, the contact pin assembly structure of printing board subassembly 8 according to required production power filter decides, the utility model discloses can be applicable to multiple printing board subassembly 8's contact pin positioning welding operation.

As shown in FIG. 2, the utility model discloses an observe location base 1 preferably is the cuboid shape, and the corner position department of observing the location base 1 top is fixed with a thread bush 5 respectively. The positioning plate 6 is preferably rectangular, and the corner positions of the positioning plate 6 are respectively provided with screw holes matched with the threaded connecting columns 73. The printed board assembly 8 is preferably integrally rectangular, and the corner positions of the printed board assembly 8 are respectively provided with a positioning jack, four positioning jacks, four screw holes and four thread sleeves 5 which are arranged in a one-to-one correspondence manner.

During the use, place locating plate 6 at all thread bushings 5 tops of observing positioning base 1, fix a position locating plate 6 screwed connection in all thread bushings 5 tops through four set screw 7, set screw 7's screw spliced pole 73 runs through locating plate 6 and corresponds threaded connection with thread bushing 5, with the location jack of printed plate subassembly 8 and the grafting post 72 of set screw 7 correspond the grafting, just so with printed plate subassembly 8 location installation on all set screw 7. Then, the lower end of the contact pin 9 to be welded is sequentially inserted into the plug-in welding hole of the printed board assembly 8, the positioning hole A61 of the positioning plate 6 and the positioning hole B of the positioning table 2 (the plug-in welding hole of the printed board assembly 8, the positioning hole A61 of the positioning plate 6 and the positioning hole B of the positioning table 2 guarantee the standard verticality of the contact pin 9 to be welded), and the lower end of the contact pin 9 to be welded is placed on the limiting table surface 3, the top plane of the limiting table surface 3 just supports the lower end of the contact pin 9 to be welded, the welding operation is carried out between the upper end of the contact pin 9 to be welded and the plug-in welding hole of the printed board assembly 8.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an supplementary welding set that is used for power filter printed board subassembly to go up contact pin which characterized in that: the device comprises an observation positioning base (1) and a positioning plate (6), wherein a contact pin positioning structure is arranged on the observation positioning base (1), the contact pin positioning structure comprises a positioning table (2), observation space regions (4) are formed in the upper space and the lower space of the positioning table (2), and a limiting table top (3) is arranged at the bottom of the lower space of the positioning table (2); the top of the observation positioning base (1) is provided with a plurality of threaded sleeves (5), positioning plates (6) are arranged on all the threaded sleeves (5), the positioning plates (6) are connected with the threaded sleeves (5) in a positioning mode through positioning screws (7), and the positioning plates (6) are parallel to the positioning table (2); the positioning plate (6) is provided with a plurality of positioning holes A (61), and the positioning table (2) is provided with positioning holes B corresponding to the positioning holes A (61) in a penetrating mode.

2. An auxiliary soldering apparatus for pins on a printed board assembly for a power filter as set forth in claim 1, wherein: still include printed board subassembly (8) and wait to weld contact pin (9), printed board subassembly (8) and set screw (7) location connection, parallel arrangement about printed board subassembly (8) and locating plate (6), printed board subassembly (8) have with locating hole A (61) corresponding plug-in connection hole, wait to weld contact pin (9) tip to cooperate in proper order and pass plug-in connection hole, locating hole A (61), locating hole B and place in on spacing mesa (3).

3. The auxiliary soldering apparatus for a pin on a printed board assembly of a power filter as set forth in claim 2, wherein: the positioning screw (7) comprises an inserting column (72), a middle connecting part (71) and a threaded connecting column (73), the inserting column (72) is fixed at the top of the middle connecting part (71), the threaded connecting column (73) is fixed at the bottom of the middle connecting part (71), the printed board assembly (8) is provided with a positioning insertion hole which is matched and inserted with the inserting column (72) of the positioning screw (7), and the threaded connecting column (73) of the positioning screw (7) penetrates through the positioning plate (6) and is fixedly connected with the threaded sleeve (5) at the top of the observation positioning base (1) in a threaded manner.

4. An auxiliary soldering apparatus for a contact pin of a printed board assembly of a power filter as set forth in any one of claims 1 to 3, wherein: observe location base (1) and be equipped with two contact pin location structure, two contact pin location structure symmetries set up in the corresponding both sides of observing location base (1).

5. An auxiliary soldering apparatus for pins on a printed board assembly for a power filter as set forth in claim 3, wherein: observe the corner position department at positioning base (1) top and be fixed with a thread bush (5) respectively, the corner position department of locating plate (6) is opened respectively has the screw hole with screw thread spliced pole (73) matched with, the corner position department of printed board subassembly (8) is opened respectively has a location jack, and four location jacks, four screw holes, four thread bushes (5) one-to-one set up.

6. An auxiliary soldering apparatus for pins on a printed board assembly for a power filter as set forth in claim 3, wherein: the inserting column (72), the middle connecting part (71) and the threaded connecting column (73) of the positioning screw (7) are manufactured in an integrated forming mode.