CN210755738U

CN210755738U - Elastic clamp for wave soldering

Info

Publication number: CN210755738U
Application number: CN201921915944.6U
Authority: CN
Inventors: 高波
Original assignee: Zhongshan Ruike Intelligent Electronics Co ltd
Current assignee: Zhongshan Ruike Intelligent Electronics Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-06-16
Anticipated expiration: 2029-11-08

Abstract

The utility model belongs to the field of clamps, in particular to an elastic clamp for wave-soldering, aiming at the problems of complex installation and low efficiency when the prior PCB is installed, the utility model provides a proposal which comprises a base, wherein the top of the base is provided with a mounting groove, the tops of the two sides of the mounting groove are in an inclined plane shape, the inner wall of the mounting groove is respectively connected with a movable plate and a fixed support ring in a sliding way, the movable plate is positioned below the support ring, the two sides of the top of the movable plate are both connected with connecting rods in a rotating way, the top ends of the two connecting rods are both connected with a U-shaped plate in a rotating way, the U-shaped stop lever is fixedly arranged on the U-shaped plate and the two U-shaped plates are connected in a sliding way, the utility model can enable the two U-shaped plates to be close to each other by starting a push, so the utility model has a certain convenience for use.

Description

Elastic clamp for wave soldering

Technical Field

The utility model relates to an anchor clamps technical field especially relates to an elastic fixture for wave-soldering.

Background

The wave soldering aims at achieving the purpose of soldering by enabling the soldering surface of the PCB to be directly contacted with high-temperature liquid tin, the high-temperature liquid tin keeps an inclined plane, the liquid tin forms a wave shape similar to the wave shape by a device for wave soldering, and the main material of the wave soldering is a soldering tin bar. With the diversified development of electronic products, the pursuit of high precision and high efficiency of PCB boards is a necessary trend.

Wave-soldering anchor clamps generally including anchor clamps with be used for pressing the clamp plate of PCB board on anchor clamps, the clamp plate and the anchor clamps of present wave-soldering anchor clamps are usually the separation, when wave-soldering welded the dress PCB board, at first place the PCB board on the bottom plate of anchor clamps, take out the clamp plate from the clamp plate frame of placing the clamp plate, cover the clamp plate again, the guide rail drives anchor clamps and welds the dress through each station in proper order. The installation is comparatively complicated when installing the PCB board, and is inefficient, so we propose an elastic clamp for wave soldering, which is used for solving the above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that the installation is comparatively complicated when having the installation PCB board among the prior art, inefficiency, and the elastic fixture for wave-soldering who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an elastic fixture for wave-soldering, includes the base, the mounting groove has been seted up at the top of base, and the both sides top of mounting groove is the inclined plane form, sliding connection has movable plate and fixed mounting has the support ring on the inner wall of mounting groove respectively, the movable plate is located the below of support ring, and the top both sides of movable plate all rotate and be connected with the connecting rod, and the top of two connecting rods all rotates and is connected with the U template, fixed mounting has U type pin on the U template, and two U template sliding connection, and one side that two U templates kept away from each other contacts with the both sides inner wall of mounting groove respectively, the bottom symmetry swing joint of movable plate has two dwangs, and the bottom of two dwangs all rotates with the bottom.

Preferably, one side of two dwangs all rotates and is connected with the connecting plate, and is located fixed mounting on the connecting plate of one side and has the push rod motor, the output shaft of push rod motor and the one side fixed connection who is located the connecting plate of opposite side utilize the push rod motor can conveniently drive two dwangs and rotate.

Preferably, the inner walls of the bottoms of the two sides of the mounting groove are fixedly provided with sliding rails located below the support ring, the two sides of the moving plate are provided with sliding openings, the two sliding openings are respectively in sliding connection with the two sliding rails, the two sides of the bottom of the moving plate are respectively in sliding connection with moving blocks, the top ends of the two rotating rods are respectively in rotating connection with the two moving blocks, the moving plate can be limited by the sliding rails in a sliding mode, and the rotating rods can be conveniently connected with the moving plate by the moving blocks.

Preferably, sliding connection has L type pole on the U template, and the below that extends to two U templates respectively and difference fixed mounting of two L type poles have limiting plate and spacing cover, one side of limiting plate extends to in the spacing cover and the inner wall sliding connection of spacing cover, the cover is equipped with compression spring on the L type pole, and compression spring is located the top of U template, compression spring's top and bottom respectively with L type pole and U template fixed connection, utilize compression spring to reset to L type pole.

Preferably, the mounting hole has been seted up on the limiting plate, and rotates on the inner wall of spacing cover and be connected with the installation axle, and the installation axle runs through the mounting hole, and fixed mounting has the rack on one side inner wall of mounting hole, installs epaxial fixed mounting and has the gear that is located the mounting hole, gear and rack mesh mutually, and the epaxial cover of installation is equipped with the torque spring who is located the gear top, and torque spring's top and bottom respectively with the top inner wall of spacing cover and the top fixed connection of gear, utilize torque spring can conveniently make two U templates keep away from each other.

The utility model discloses in, an elastic fixture for wave-soldering

The circuit board is placed between the two U-shaped plates, and the push rod motor can be started to drive the two rotating rods to rotate towards the side far away from each other, so that the moving plate can be driven to move downwards, and when the moving plate moves downwards, the two U-shaped plates can be close to each other until the circuit board is clamped by the two U-shaped plates;

when the two connecting rods rotate, the L-shaped rod can be driven to move downwards, so that the L-shaped rod can move downwards until the L-shaped rod is matched with the U-shaped stop lever to clamp the circuit board, the two U-shaped plates are close to each other, the limiting plate and the limiting cover can slide, and at the moment, the gear can be driven to rotate under the action of the rack, so that the torsion spring can be in a stressed state;

the utility model discloses a start the push rod motor, can be so that two U templates are close to each other, realize pressing from both sides tightly the circuit board, and press from both sides tight step and be automatic operation, consequently can reduce the complexity of operation, so use and get up and have certain convenience.

Drawings

Fig. 1 is a front view of an elastic clamp for wave soldering according to the present invention;

FIG. 2 is a front view of a connection structure of a position-limiting cover and a position-limiting plate of the elastic fixture for wave soldering;

fig. 3 is an enlarged view of the structure a in fig. 1 of an elastic clamp for wave soldering according to the present invention.

In the figure: the device comprises a base 1, a mounting groove 2, a moving plate 3, a connecting rod 4, a limiting cover 5, a limiting plate 6, a U-shaped plate 7, an 8L-shaped rod 9, a rotating rod 10, a connecting plate 10, a push rod motor 11, a gear 12, a rack 13, a torsion spring 14, a compression spring 15, a sliding rail 16 and a moving block 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-3, an elastic fixture for wave-soldering, includes base 1, mounting groove 2 has been seted up at base 1's top, and the both sides top of mounting groove 2 is the inclined plane form, sliding connection has movable plate 3 and fixed mounting has the support ring respectively on the inner wall of mounting groove 2, movable plate 3 is located the below of support ring, and the top both sides of movable plate 3 all rotate and are connected with connecting rod 4, and the top of two connecting rod 4 all rotates and is connected with U template 7, fixed mounting has U type pin on U template 7, and two U template 7 sliding connection, and the one side that two U templates 7 kept away from each other contacts with the both sides inner wall of mounting groove 2 respectively, the bottom symmetry swing joint of movable plate 3 has two dwang 9, and the bottom of two dwang 9 all rotates with the bottom inner wall of mounting groove 2 to be.

Wherein, the circuit board is placed between two U-shaped boards 7, at this time, the push rod motor 11 can be started to drive the two rotating rods 9 to rotate towards one side far away from each other, so as to drive the moving board 3 to move downwards, when the moving board 3 moves downwards, the two U-shaped boards 7 can be close to each other until the two U-shaped boards 7 clamp the circuit board, when the two connecting rods 4 rotate, the L-shaped rod 8 can be driven to move downwards, so as to enable the L-shaped rod 8 to move downwards until the circuit board is matched with the U-shaped stop rod to clamp the circuit board, and the two U-shaped boards 7 are close to each other, so as to enable the limiting plate 6 and the limiting cover 5 to slide, at this time, under the action of the rack 13, the gear 12 can be driven to rotate, so as to realize that the torsion spring 14 is in a stressed state, the utility model discloses a starting push rod motor 11, can be so that two U type boards 7 are close to each other, realize pressing from both sides tight the circuit board, and press from both sides tight step and be automated operation, consequently can reduce the complexity of operation, so use and have certain convenience.

Example two

The utility model discloses in, one side of two dwang 9 is all rotated and is connected with connecting plate 10, and is located on the connecting plate 10 of one side fixed mounting have push rod motor 11, one side fixed connection of push rod motor 11's output shaft and the connecting plate 10 that is located the opposite side utilizes push rod motor 11 can conveniently drive two dwang 9 and rotate.

The utility model discloses in, equal fixed mounting has the slide rail 16 that is located the support ring below on the both sides bottom inner wall of mounting groove 2, and the both sides of movable plate 3 have all seted up the sliding opening, two sliding openings respectively with two slide rail 16 sliding connection, the equal sliding connection in bottom both sides of movable plate 3 has movable block 17, and the top of two dwang 9 rotates with two movable block 17 respectively to be connected, utilizes slide rail 16 to slide spacingly to movable plate 3 to utilize movable block 17 can conveniently realize dwang 9 and movable plate 3 and be connected.

The utility model discloses in, sliding connection has L type pole 8 on the U template 7, and two L type poles 8 extend to the below of two U templates 7 respectively and respectively fixed mounting have limiting plate 6 and spacing cover 5, one side of limiting plate 6 extends to spacing cover 5 in and the inner wall sliding connection of spacing cover 5, the cover is equipped with compression spring 15 on the L type pole 8, and compression spring 15 is located the top of U template 7, compression spring 15's top and bottom respectively with L type pole 8 and U template 7 fixed connection, utilize compression spring 15 to reset to L type pole 8.

The utility model discloses in, the mounting hole has been seted up on the limiting plate 6, and rotates on the inner wall of spacing cover 5 and be connected with the installation axle, and the installation axle runs through the mounting hole, and fixed mounting has rack 13 on one side inner wall of mounting hole, installs epaxial fixed mounting and has the gear 12 that is located the mounting hole, gear 12 meshes with rack 13 mutually, installs the epaxial cover and is equipped with torque spring 14 that is located gear 12 top, and torque spring 14's top and bottom respectively with the top inner wall of spacing cover 5 and the top fixed connection of gear 12, utilize torque spring 14 can conveniently make two U template 7 keep away from each other.

The utility model discloses in, this technical scheme inner push rod motor 11's power supply mode is external interchange 220V voltage, and specific operating procedure is: firstly, a circuit board is placed between two U-shaped plates 7, then a push rod motor 11 can be started to drive two rotating rods 9 to rotate towards one side far away from each other, so that the moving plate 3 can be driven to move downwards, when the moving plate 3 moves downwards, the two connecting rods 4 can be driven to rotate, the two U-shaped plates 7 can be pulled to move downwards, and under the action of the inclined surface part of the mounting groove 4, the two U-shaped plates 7 can be close to each other until the two U-shaped plates 7 clamp the circuit board, when the two connecting rods 4 rotate, the L-shaped rod 8 can be driven to move downwards, so that the L-shaped rod 8 can move downwards until the L-shaped rod is matched with the U-shaped stop rods to clamp the circuit board, and when the two U-shaped plates 7 are close to each other, the limiting plate 6 and the limiting cover 5 can slide, at this time, the rack 13 can drive the gear 12 to rotate, so that the torsion spring 14 can be in a stressed state, and the clamping step is automatic operation, so that the complexity of the operation can be reduced, and the use is convenient.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An elastic clamp for wave-soldering comprises a base (1) and is characterized in that the top of the base (1) is provided with an installation groove (2), the tops of two sides of the mounting groove (2) are in an inclined plane shape, the inner wall of the mounting groove (2) is respectively connected with a movable plate (3) in a sliding way and is fixedly provided with a support ring, the movable plate (3) is positioned below the support ring, and both sides of the top of the movable plate (3) are rotatably connected with connecting rods (4), the top ends of the two connecting rods (4) are rotatably connected with U-shaped plates (7), U-shaped stop rods are fixedly arranged on the U-shaped plates (7), the two U-shaped plates (7) are connected in a sliding way, one sides of the two U-shaped plates (7) far away from each other are respectively contacted with the inner walls of the two sides of the mounting groove (2), the bottom of the moving plate (3) is symmetrically and movably connected with two rotating rods (9), and the bottom ends of the two rotating rods (9) are rotatably connected with the inner wall of the bottom of the mounting groove (2).

2. The elastic clamp for wave soldering according to claim 1, wherein one side of each of the two rotating rods (9) is rotatably connected with a connecting plate (10), a push rod motor (11) is fixedly mounted on the connecting plate (10) on one side, and an output shaft of the push rod motor (11) is fixedly connected with one side of the connecting plate (10) on the other side.

3. The elastic clamp for wave soldering according to claim 1, wherein sliding rails (16) located below the support ring are fixedly mounted on the bottom inner walls of the two sides of the mounting groove (2), sliding openings are formed on the two sides of the moving plate (3), the two sliding openings are respectively connected with the two sliding rails (16) in a sliding manner, moving blocks (17) are respectively connected with the two sides of the bottom of the moving plate (3) in a sliding manner, and the top ends of the two rotating rods (9) are respectively connected with the two moving blocks (17) in a rotating manner.

4. The elastic clamp for wave-soldering according to claim 1, characterized in that the U-shaped plates (7) are connected with L-shaped rods (8) in a sliding mode, the two L-shaped rods (8) respectively extend to the lower portions of the two U-shaped plates (7) and are respectively and fixedly provided with a limiting plate (6) and a limiting cover (5), one side of the limiting plate (6) extends into the limiting cover (5) and is connected with the inner wall of the limiting cover (5) in a sliding mode, the L-shaped rods (8) are sleeved with compression springs (15), the compression springs (15) are located above the U-shaped plates (7), and the top ends and the bottom ends of the compression springs (15) are respectively and fixedly connected with the L-shaped rods (8) and the U-shaped plates (7).

5. The elastic clamp for wave soldering according to claim 4, wherein a mounting hole is formed in the limiting plate (6), a mounting shaft is rotatably connected to the inner wall of the limiting cover (5), the mounting shaft penetrates through the mounting hole, a rack (13) is fixedly mounted on the inner wall of one side of the mounting hole, a gear (12) located in the mounting hole is fixedly mounted on the mounting shaft, the gear (12) is meshed with the rack (13), a torsion spring (14) located above the gear (12) is sleeved on the mounting shaft, and the top end and the bottom end of the torsion spring (14) are respectively fixedly connected with the inner wall of the top of the limiting cover (5) and the top of the gear (12).