CN219131065U

CN219131065U - Pin welding device

Info

Publication number: CN219131065U
Application number: CN202223442303.8U
Authority: CN
Inventors: 郝庆玉; 黄世根; 崔健
Original assignee: Nanjing Dajin Precision Machinery Co ltd
Current assignee: Nanjing Dajin Precision Machinery Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-06-06
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses a pin welding device, which comprises a table body, wherein a soldering tin component is arranged on the table surface of the table body, and a fixed shaft is also arranged on the table surface in a protruding manner; the fixing device comprises a turntable, a fixed end plate and a movable end plate, the fixed shaft is embedded into the bottom of the turntable and is rotationally connected with the turntable, the fixed end plate is fixedly arranged on the turntable, the movable end plate is slidably connected on the turntable, the fixed end plate and the movable end plate are oppositely arranged, and the fixed end plate and the movable end plate are used for clamping and fixing a welding plate arranged between the fixed end plate and the movable end plate; the utility model improves the welding device of the pins of the electronic components on the circuit board, can stably clamp the board through the two end plates, can turn over three hundred and sixty degrees, is convenient for welding the pins behind the board, is convenient for a master to find angles, and is not easy for the components to fall.

Description

Pin welding device

Technical Field

The utility model relates to the technical field of pin soldering, in particular to a pin soldering device.

Background

The PCB, chinese name printed circuit board, also called printed circuit board, is an important electronic component, is a support body of the electronic component, is a carrier for electric connection of the electronic component, is called a 'printed' circuit board because the PCB is manufactured by adopting an electronic printing technology, and after the electronic equipment adopts the printed board, the error of manual wiring is avoided because of the consistency of the same type of printed board, and the automatic insertion or mounting, automatic soldering and automatic detection of the electronic component can be realized, thereby ensuring the quality of the electronic equipment, improving the labor productivity, reducing the cost and being convenient for maintenance.

However, when the circuit board in the existing market is used for welding pins, a master with a certain working experience is required to process to ensure the processing effect, and when the circuit board is welded, the master is required to carefully weld each pin, but because the welding surface is on the back of the board, the components are unstable before welding and the circuit board is not attractive after modeling and welding, and moreover, when the master is welded, the master is required to fix the components and rotate the circuit board to adjust the angle for welding, so that the circuit board is very troublesome.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

The present utility model has been made in view of the problems occurring in the prior art.

Therefore, the technical problem to be solved by the utility model is that when the circuit board in the existing market performs the welding work of pins, a master with certain working experience is required to perform the processing to ensure the processing effect, and the master is required to carefully weld each pin during the welding, but because the welding surface is on the back of the board, the components are unstable before welding, the molded and welded are not attractive, and moreover, the master is required to weld by rotating the circuit board while fixing the components during the welding, thereby being very troublesome.

In order to solve the technical problems, the utility model provides the following technical scheme: a pin welding device comprises a table body, wherein a soldering tin component is arranged on a table top of the table body, and a fixing shaft is also arranged on the table top in a protruding mode; the method comprises the steps of,

the fixing device comprises a turntable, a fixed end plate and a movable end plate, wherein the fixed shaft is embedded into the bottom of the turntable and is rotationally connected with the turntable, the fixed end plate is fixedly arranged on the turntable, the movable end plate is slidably connected on the turntable, the fixed end plate and the movable end plate are oppositely arranged, and the fixed end plate and the movable end plate are used for clamping and fixing a welding plate arranged between the fixed end plate and the movable end plate.

As a preferable mode of the pin soldering apparatus of the present utility model, wherein: the outer wall of carousel is sunken to be provided with the spout, and movable end plate bottom protrusion is provided with the flange, the flange stretches into in the spout and along the sunken direction sliding connection of spout.

As a preferable mode of the pin soldering apparatus of the present utility model, wherein: the end wall of the chute is connected with a first spring, and the other end of the first spring is fixedly connected with a convex plate.

As a preferable mode of the pin soldering apparatus of the present utility model, wherein: the convex plate is provided with a fastening bolt in a penetrating way, and the fastening bolt penetrates through the middle of the first spring and penetrates into the end wall of the chute to be connected with the inner thread.

As a preferable mode of the pin soldering apparatus of the present utility model, wherein: the fixing device further comprises a pair of auxiliary installation pressing assemblies which are identical in structure and symmetrically arranged, and the two auxiliary installation pressing assemblies are respectively connected with one corresponding surface of the fixed end plate and one corresponding surface of the movable end plate and are used for clamping and fixing the welding plate.

As a preferable mode of the pin soldering apparatus of the present utility model, wherein: the auxiliary installation compacting assembly comprises a rotating shaft, a limiting disc fixed at the end part of the rotating shaft and a fixed shell arranged on the limiting disc, one end of the rotating shaft is embedded into the corresponding fixed end plate or the movable end plate and is connected in a rotating mode, and a through groove is formed in the limiting disc and used for limiting one end of the welding plate to be clamped.

As a preferable mode of the pin soldering apparatus of the present utility model, wherein: the fixed shell is internally provided with a containing space in a recessed manner from the bottom, the containing space is square space and is internally and fixedly provided with a second spring, the bottom of the second spring extends out of the containing space and is connected with a pressing plate, and the size of the pressing plate is not larger than the size of an opening at the bottom of the containing space.

As a preferable mode of the pin soldering apparatus of the present utility model, wherein: the fixing device further comprises a baffle plate, the baffle plate is placed on one face where the welding plate element is located, and pressure receiving plates at two ends of the baffle plate are pressed on the welding plate.

As a preferable mode of the pin soldering apparatus of the present utility model, wherein: the soldering tin subassembly includes soldering tin rifle and places the box, and soldering tin rifle erects on placing the box, places the box and installs on the desktop of the table body.

As a preferable mode of the pin soldering apparatus of the present utility model, wherein: the placing box comprises an inclined erecting part and a containing box for placing cotton liners, an erecting block is arranged on the erecting part, a cross groove is formed in the erecting block, and the soldering tin gun is erected in the cross groove in a matched mode.

The utility model has the beneficial effects that: the utility model improves the welding device of the pins of the electronic components on the circuit board, can stably clamp the board through the two end plates, can turn over three hundred and sixty degrees, is convenient for welding the pins behind the board, is convenient for a master to find angles, and is not easy for the components to fall.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is a schematic view of a table body and a fixing device according to a first embodiment.

Fig. 2 is an exploded view of the movable end plate in the first embodiment.

Fig. 3 is a schematic view of an auxiliary installation compressing assembly in a second embodiment.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 and 2, a first embodiment of the present utility model provides a pin soldering apparatus, which includes a table body 1, and soldering components on a soldering board is performed on the table body 1.

In general, a soldering board, such as a PCB board or a general circuit board, is mounted with electronic components such as resistors, power amplifiers, capacitors, and transistors, and when pins of the components are mounted at desired positions through the soldering board, the soldering board needs to be turned over to solder pins of the electronic components on the back side thereof.

Therefore, the solder member 11 is generally provided on the table top.

Further, the table top also comprises a fixing device 2, and specifically, a fixing shaft 12 is arranged on the table top in a protruding manner; the fixing device 2 comprises a rotary table 21, a fixed end plate 22 and a movable end plate 23, wherein the fixed shaft 12 is embedded into the bottom of the rotary table 21 and is rotationally connected with the rotary table 21, the rotary table 21 can be operated to rotate 360 degrees, the rotary table 21 is convenient for welding at various angles, the fixed end plate 22 is fixedly arranged on the rotary table 21, the movable end plate 23 is slidably connected on the rotary table 21, the fixed end plate 22 and the movable end plate 23 are oppositely arranged, and the fixed end plate 22 and the movable end plate 23 are used for clamping and fixing a welding plate arranged between the fixed end plate and the movable end plate 23.

In this embodiment, the fixed end plate 22 and the movable end plate 23 have a square structure, and the two plates face each other and are spaced apart from each other by a certain distance for holding the welding plate.

The fixed end plate 22 is fixedly arranged, the movable end plate 23 slides away from or is close to the fixed end plate 22, the distance between the fixed end plate and the movable end plate is adjustable, the fixed end plate is used for adapting to welded plates with different lengths, and the fixed end plate is convenient to fasten and clamp.

Further, a sliding groove 211 is concavely formed on the outer wall of the turntable 21, a convex plate 231 is convexly formed on the bottom of the movable end plate 23, and the convex plate 231 extends into the sliding groove 211 and is slidingly connected along the concave direction of the sliding groove 211; the end wall of the chute 211 is connected with a first spring 212, and the other end of the first spring 212 is fixedly connected with a convex plate 231.

The boss 231 is provided with a fastening bolt 232, and the fastening bolt 232 passes through the middle of the first spring 212 and penetrates into the end wall of the chute 211 to be connected with internal threads. The sliding of the movable end plate 23 is controlled by screwing the fastening bolts 232 to achieve the moving away from or approaching the fixed end plate 22.

Example 2

Referring to fig. 3, in a second embodiment of the present utility model, based on the previous embodiment, for conveniently clamping and fixing the welding plate, the fixing device 2 further includes a pair of symmetrically arranged auxiliary mounting and pressing assemblies 24 with the same structure, and the two auxiliary mounting and pressing assemblies 24 are respectively connected to corresponding surfaces of the fixed end plate 22 and the movable end plate 23, and are used for clamping and fixing the welding plate.

Specifically, the auxiliary installation compressing assembly 24 includes a rotating shaft 241, a limiting plate 242 fixed at the end of the rotating shaft 241, and a fixed shell 243 disposed on the limiting plate 242, wherein one end of the rotating shaft 241 is embedded into the corresponding fixed end plate 22 or movable end plate 23 and is rotationally connected, and a through groove 242-1 is disposed on the limiting plate 242 for limiting one end of the welding plate.

Specifically, the through groove 242-1 is in a horizontal state in the initial state, the end of the welding plate slides in from one side of the through groove 242-1, and is clamped and fixed when both ends of the welding plate are clamped in the through groove 242-1, meanwhile, in this embodiment, it is to be noted that the rotating shaft 241 is embedded in the fixed end plate 22 or the movable end plate 23, and the rotating shaft 241 is provided with a damping cloth for preventing excessive smoothness, so that the welding plate can be kept stable and is not easy to turn over in the horizontal state.

Further, the fixing shell 243 is provided with a receiving space T from the bottom, the receiving space T is a square space and is fixedly provided with a second spring 244 inside, the bottom of the second spring 244 extends out of the receiving space T and is connected with a pressing plate 245, and the size of the pressing plate 245 is not larger than the size of the bottom opening of the receiving space T.

The fixing device 2 further comprises a baffle 25, wherein the baffle 25 is used for pressing one surface of a component of the welding plate, and the component is prevented from falling due to the fact that pins of the component are not welded yet when the welding plate is turned over, so that the baffle 25 is placed on one surface of the component of the welding plate, and pressure receiving plates 245 at two ends of the baffle 25 are pressed on the welding plate.

Firstly, in an initial state, one side of a component is upward, a baffle 25 is covered on a welding plate in a sliding manner from one side, the two ends of the baffle are pressed by the elastic action of a pressing plate 245, the whole baffle 25 and the welding plate are fixed, then the pressing assembly 24 is installed in an overturning auxiliary manner, the back of the welding plate is upward, at the moment, the baffle 25 is overturned to the lower side, and the component is prevented from falling under the pressure of the pressing plate 245.

The solder assembly 11 comprises a solder gun 111 and a placement box 112, the solder gun 111 is arranged on the placement box 112, and the placement box 112 is arranged on the tabletop of the table body 1.

The placement box 112 includes an inclined mounting portion 112-1 and a receiving box 112-2 for placing cotton lining, a mounting block 112-3 is provided on the mounting portion 112-1, a cross groove 112-4 is provided on the mounting block 112-3, and a portion of the solder gun 111 near the solder end is generally provided with a member for facilitating holding, that is, a portion having a larger dimension than the entire portion at both ends, so that the holding end portion of the solder gun 111 can be mounted in the cross groove 112-4 in a mating manner.

It is important to note that the construction and arrangement of the present application as shown in a variety of different exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims

1. A pin welding set, characterized in that: comprising the steps of (a) a step of,

the table body (1) is provided with a soldering tin component (11) on the table surface, and a fixed shaft (12) is also arranged on the table surface in a protruding mode; the method comprises the steps of,

fixing device (2), fixing device (2) include carousel (21), fixed end plate (22) and movable end plate (23), fixed axle (12) embedding carousel (21) bottom and with carousel (21) rotation are connected, fixed end plate (22) are fixed to be set up on carousel (21), movable end plate (23) sliding connection is on carousel (21) and fixed end plate (22) and movable end plate (23) set up relatively, and both are used for the fixed welded plate of placing therebetween of centre gripping.

2. The pin soldering apparatus of claim 1, wherein: the outer wall of the rotary table (21) is concavely provided with a sliding groove (211), the bottom of the movable end plate (23) is convexly provided with a convex plate (231), and the convex plate (231) stretches into the sliding groove (211) and is in sliding connection along the concave direction of the sliding groove (211).

3. The pin soldering apparatus of claim 2, wherein: the end wall of the sliding groove (211) is connected with a first spring (212), and the other end of the first spring (212) is fixedly connected with a convex plate (231).

4. A pin bonding apparatus according to claim 3, wherein: the convex plate (231) is provided with a fastening bolt (232) in a penetrating way, and the fastening bolt (232) penetrates through the middle of the first spring (212) and penetrates into the end wall of the sliding groove (211) to be connected through internal threads.

5. A pin welding apparatus according to any one of claims 1 to 3, wherein: the fixing device (2) further comprises a pair of auxiliary installation pressing assemblies (24) which are identical in structure and are symmetrically arranged, and the two auxiliary installation pressing assemblies (24) are respectively connected with one corresponding surface of the fixed end plate (22) and the movable end plate (23) and are used for clamping and fixing the welding plate.

6. The pin soldering apparatus of claim 5, wherein: the device is characterized in that the device comprises a rotating shaft (241), a limiting plate (242) fixed at the end part of the rotating shaft (241) and a fixed shell (243) arranged on the limiting plate (242), one end of the rotating shaft (241) is embedded into a corresponding fixed end plate (22) or movable end plate (23) and is connected in a rotating mode, and a through groove (242-1) is formed in the limiting plate (242) and used for limiting one end of a welding plate to be clamped.

7. The pin soldering apparatus of claim 6, wherein: the fixing shell (243) is internally provided with a containing space (T) from the bottom in a recessed mode, the containing space (T) is square, a second spring (244) is fixedly arranged in the containing space (T), the bottom of the second spring (244) extends out of the containing space (T) and is connected with a pressing plate (245), and the size of the pressing plate (245) is not larger than that of an opening at the bottom of the containing space (T).

8. The pin soldering apparatus of claim 7, wherein: the fixing device (2) further comprises a baffle plate (25), the baffle plate (25) is placed on one surface where the welding plate component is located, and pressure receiving plates (245) at two ends of the baffle plate (25) are pressed on the welding plate.

9. The pin soldering apparatus of claim 1, wherein: the soldering tin assembly (11) comprises a soldering tin gun (111) and a placement box (112), the soldering tin gun (111) is erected on the placement box (112), and the placement box (112) is installed on the tabletop of the table body (1).

10. The pin soldering apparatus of claim 9, wherein: the placing box (112) comprises an inclined erecting part (112-1) and a containing box (112-2) for placing cotton liners, an erecting block (112-3) is arranged on the erecting part (112-1), a cross groove (112-4) is formed in the erecting block (112-3), and the soldering gun (111) is erected in the cross groove (112-4) in a matched mode.