CN216706466U

CN216706466U - Auxiliary fixing device for circuit board welding

Info

Publication number: CN216706466U
Application number: CN202122775373.4U
Authority: CN
Inventors: 刘广伦
Original assignee: Suzhou Lundar Intelligent Industry Co ltd
Current assignee: Suzhou Lundar Intelligent Industry Co ltd
Priority date: 2021-11-14
Filing date: 2021-11-14
Publication date: 2022-06-10
Anticipated expiration: 2031-11-14

Abstract

The utility model relates to the technical field of auxiliary fixing devices, in particular to an auxiliary fixing device for welding a circuit board. Exert the power that resets to the movable plate under reset spring's effect, L shape fixed plate with movable plate side tip carries out the elasticity and resets, can the elasticity centre gripping with the welding plate on the inside wall of two L shape fixed plates, then rotate two-way screw rod through the carousel, two opposite helicoids order about two drive plate in opposite directions on the two-way screw rod surface, the drive plate drives two trapezoidal clamp plates in step and moves in opposite directions, trapezoidal clamp plate promotes L shape fixed plate, under the effect on inclined plane, promote L shape fixed plate mutually, compress tightly the welding plate until L shape fixed plate, make the welding plate fastened, avoid producing and rock, be favorable to welded high quality.

Description

Auxiliary fixing device for circuit board welding

Technical Field

The utility model relates to the technical field of auxiliary fixing devices, in particular to an auxiliary fixing device for circuit board welding.

Background

The utility model discloses a circuit board welding and fixing device which comprises a base, a telescopic rod and a movable plate, wherein two sides of the upper end of the base are connected with the lower end face of the movable plate through the telescopic rod, a rectangular groove is formed in the center of the movable plate, two rotatable arc-shaped movable clamping plates for clamping a circuit board are inserted in the rectangular groove, the lower ends of the two arc-shaped movable clamping plates are hinged to the base, and the outer side wall of the lower portion of each arc-shaped movable clamping plate is connected to the base through a spring. This welding fixing device can't fix a position fixed position, and is not stable enough to the fixed of welding machine board, takes place to rock easily at the welding machine in-process, influences welded quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that a welding fixing device cannot position a fixed position, a welding machine plate is not stably fixed, shaking is easy to occur in the welding process, and the welding quality is affected in the prior art, and provides an auxiliary fixing device for circuit board welding.

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows: an auxiliary fixing device for welding a circuit board comprises a fixed table and supporting legs, wherein connecting plates are fixedly connected to two sides of the bottom of the fixed table, two supporting rods which are parallel to each other are fixedly connected between the two connecting plates together, two symmetrically arranged reset springs are connected to the surfaces of the supporting rods in a sliding manner, one ends of the reset springs are fixedly connected with the connecting plates on the same side, moving plates are connected to two sides of the surface of the supporting rods in a sliding manner, the side faces of the moving plates are fixedly connected to the other ends of the reset springs, the top of each moving plate penetrates through a first through groove in the top of the fixed table and is connected with an L-shaped fixed plate through an elastic pressing mechanism, an inclined face is arranged on the side face of each L-shaped fixed plate, two bidirectional screw rods are rotatably connected to the inner sides of the two connecting plates together by the middle position, and two ends of each bidirectional screw rod respectively penetrate through the connecting plates on the same side and are fixedly connected with turntables, the two drive plates are parallelly and symmetrically arranged, penetrate through the second through groove in the top of the fixing table and are fixedly connected with a trapezoidal pressing plate, and the inclined plane of the trapezoidal pressing plate is in contact with the inclined plane of the side face of the L-shaped fixing plate.

Preferably, a supporting threaded sleeve extends out of the side face of the driving plate, and the supporting threaded sleeve is in threaded connection with the surface on the same side of the bidirectional screw.

Preferably, elasticity pressing means includes the connecting pin, connecting pin fixed connection is at the top of movable plate, the surface of connecting pin has cup jointed the pressure spring, the top fixed connection of pressure spring is in the stopper bottom of connecting pin tip, the surperficial sliding connection of connecting pin has fixed cover, the top fixed connection of fixed cover is in the bottom of pressing the spring, L shape fixed plate fixed connection is two on the side of fixed cover.

Preferably, a bearing is fixedly connected to the side surface of the connecting plate corresponding to the position of the bidirectional screw, and an inner ring of the bearing is fixedly connected to the surface of the bidirectional screw.

Preferably, both ends of the bottom of the fixed platform are fixedly connected with positioning plates, the positioning plates are slidably connected to the surfaces of the two-way screws, and the front surfaces of the positioning plates are in threaded connection with positioning bolts.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, a reset force is applied to the moving plate under the action of the reset spring, the L-shaped fixing plates at the end parts of the side surfaces of the moving plate are elastically reset, the welding plate can be elastically clamped on the inner side walls of the two L-shaped fixing plates, then the two-way screw is rotated through the turntable, the two opposite thread surfaces on the surface of the two-way screw drive the two driving plates to move oppositely, the driving plates synchronously drive the two trapezoidal pressing plates to move oppositely, the trapezoidal pressing plates push the L-shaped fixing plates, and the L-shaped fixing plates are pushed downwards under the action of the inclined surfaces until the L-shaped fixing plates tightly press the welding plate, so that the welding plate is fastened, the shaking is avoided, and the high quality of welding is facilitated.

Drawings

FIG. 1 is a first perspective view of an auxiliary fixing device for circuit board soldering according to the present invention

FIG. 2 is a second perspective view of an auxiliary fixture for circuit board soldering according to the present invention;

fig. 3 is a third perspective view of an auxiliary fixing device for circuit board soldering according to the present invention.

In the figure: the device comprises a fixed table 1, supporting legs 2, a connecting plate 3, a supporting rod 4, a return spring 5, a moving plate 6, a first through groove 7, a connecting pin 8, a pressing spring 9, a fixed sleeve 10, an L-shaped fixed plate 11, a bidirectional screw 12, a rotary table 13, a driving plate 14, a second through groove 15, a trapezoidal pressing plate 16, a supporting threaded sleeve 17, a positioning plate 18, a positioning bolt 19 and a bearing 20.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in figures 1-3, an auxiliary fixing device for circuit board welding comprises a fixed table 1 and supporting legs 2, wherein two sides of the bottom of the fixed table 1 are fixedly connected with connecting plates 3, two parallel supporting rods 4 are fixedly connected between the two connecting plates 3, two symmetrically arranged return springs 5 are slidably connected on the surfaces of the supporting rods 4, one end of each return spring 5 is fixedly connected with the connecting plate 3 on the same side, two sides of the surface of each supporting rod 4 are slidably connected with a moving plate 6, the side surface of each moving plate 6 is fixedly connected with the other end of each return spring 5, the top of each moving plate 6 passes through a first through groove 7 on the top of the fixed table 1 and is connected with an L-shaped fixing plate 11 through an elastic pressing mechanism, the side surface of each L-shaped fixing plate 11 is provided with an inclined surface, the return force is applied to the moving plate 6 under the action of the return springs 5 to elastically reset the L-shaped fixing plates 11 on the side end parts of the moving plates 6, the welding plates may be elastically clamped to inner sidewalls of the two L-shaped fixing plates 11.

Elasticity pressing means includes connecting

8, 8 fixed connection at the top of movable plate 6 of connecting pin, pressing spring 9 has been cup jointed on the surface of connecting pin 8, the stopper bottom of the top fixed connection at the 8 tip of connecting pin of pressing spring 9, the surperficial sliding connection of connecting pin 8 has fixed cover 10, the top fixed connection of fixed cover 10 is in the bottom of pressing

spring

9, 11 fixed connection of L shape fixed plate are on the side of two fixed covers 10, push the L shape fixed plate 11 of fixed cover 10 side under the effect through pressing spring 9, make L shape fixed plate 11 press the welded plate under the effect of elastic force, play the effect to welded plate elastic fixation.

The inner sides of the two connecting plates 3 are connected with a bidirectional screw 12 in a rotating mode together near the middle, two ends of the bidirectional screw 12 respectively penetrate through the connecting plates 3 on the same side and are fixedly connected with a rotary disc 13, two opposite thread surfaces on the surface of the bidirectional screw 12 are connected with drive plates 14 in a threaded mode, the two drive plates 14 are arranged in parallel and symmetrically, a support thread sleeve 17 extends out of the side surface of each drive plate 14, the support thread sleeve 17 is connected on the surface on the same side of the bidirectional screw 12 in a threaded mode, the drive plates 14 penetrate through a second through groove 15 in the top of the fixed table 1 and are fixedly connected with a trapezoidal pressure plate 16, the inclined surface of the trapezoidal pressure plate 16 is in contact with the inclined surface of the side surface of the L-shaped fixed plate 11, the bidirectional screw 12 is rotated through the rotary disc 13, the two opposite thread surfaces on the surface of the bidirectional screw 12 drive the two drive plates 14 to move oppositely, and the drive the two trapezoidal pressure plates 16 to move oppositely synchronously by the drive plates 14, trapezoidal clamp plate 16 promotes L shape fixed plate 11, under the effect on inclined plane, promotes L shape fixed plate 11 mutually, compresses tightly the welded plate until L shape fixed plate 11 for the welded plate is fastened, avoids the production to rock, is favorable to welded high quality.

The bearing 20 is fixedly connected to the side surface of the connecting plate 3 and the position corresponding to the bidirectional screw 12, the inner ring of the bearing 20 is fixedly connected to the surface of the bidirectional screw 12, and the bearing 20 is arranged to achieve the effect of rotatably connecting the bidirectional screw 12 to the side surface of the connecting plate 3.

The two ends of the bottom of the fixed table 1 are fixedly connected with positioning plates 18, the positioning plates 18 are slidably connected to the surfaces of the two-way screw rods 12, the front faces of the positioning plates 18 are in threaded connection with positioning bolts 19, the positioning bolts 19 are screwed up, the effect of positioning the two-way screw rods 12 inside the positioning plates 18 is achieved, and the rotation of the two-way screw rods 12 is limited.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a circuit board welded supplementary fixing device, includes fixed station (1) and supporting leg (2), its characterized in that, the equal fixedly connected with connecting plate (3) in both sides of fixed station (1) bottom, two common fixedly connected with two bracing pieces (4) that are parallel to each other between connecting plate (3), bracing piece (4) sliding connection has two reset spring (5) that the symmetry set up on the surface, the one end of reset spring (5) and the connecting plate (3) fixed connection of homonymy, the equal sliding connection in both sides on bracing piece (4) surface has movable plate (6), the side fixed connection of movable plate (6) is at the other end of reset spring (5), the top of movable plate (6) passes first logical groove (7) at fixed station (1) top and is connected with L shape fixed plate (11) through elastic pressing mechanism, the side of L shape fixed plate (11) is seted up there is the inclined plane, two the connecting plate (3) inboard is rotated jointly by the position in the middle and is connected with two-way screw rod (12), the both ends of two-way screw rod (12) pass connecting plate (3) and fixedly connected with carousel (13) of homonymy respectively, equal threaded connection has drive plate (14), two on two opposite helicoids on two-way screw rod (12) the drive plate (14) parallel and the symmetry set up, second that fixed station (1) top was worn out in drive plate (14) leads to groove (15) and fixedly connected with trapezoidal clamp plate (16), the inclined plane of trapezoidal clamp plate (16) and the inclined plane of L shape fixed plate (11) side contact each other.

2. The auxiliary fixing device for circuit board welding as claimed in claim 1, wherein a support threaded sleeve (17) extends from the side of the driving plate (14), and the support threaded sleeve (17) is threaded on the surface of the same side of the bidirectional screw (12).

3. The auxiliary fixture for circuit board soldering as claimed in claim 1, wherein the elastic pressing mechanism includes a connecting pin (8), the connecting pin (8) is fixedly connected to the top of the moving plate (6), a pressing spring (9) is sleeved on the surface of the connecting pin (8), the top of the pressing spring (9) is fixedly connected to the bottom of the limiting block at the end of the connecting pin (8), a fixing sleeve (10) is slidably connected to the surface of the connecting pin (8), the top of the fixing sleeve (10) is fixedly connected to the bottom of the pressing spring (9), and the L-shaped fixing plate (11) is fixedly connected to the side of the two fixing sleeves (10).

4. The auxiliary fixing device for circuit board welding according to claim 1, wherein a bearing (20) is fixedly connected to the side surface of the connecting plate (3) corresponding to the position of the bidirectional screw (12), and the inner ring of the bearing (20) is fixedly connected to the surface of the bidirectional screw (12).

5. The auxiliary fixing device for circuit board welding according to claim 1, wherein both ends of the bottom of the fixing table (1) are fixedly connected with positioning plates (18), the positioning plates (18) are slidably connected on the surface of the bidirectional screw rod (12), and the front surface of the positioning plates (18) is in threaded connection with positioning bolts (19).