CN201550367U

CN201550367U - Reversible clamp for welding circuit board

Info

Publication number: CN201550367U
Application number: CN2009202506370U
Authority: CN
Inventors: 刘伟
Original assignee: TIANJIN ZHONGHUAN ELECTRONIC COMPUTER CO Ltd
Current assignee: TIANJIN ZHONGHUAN ELECTRONIC COMPUTER CO Ltd
Priority date: 2009-11-20
Filing date: 2009-11-20
Publication date: 2010-08-11
Anticipated expiration: 2019-11-20

Abstract

The utility model relates to a reversible clamp for welding a circuit board. Supports are respectively and symmetrically fixed at the two ends of the base seat of the clamp, a positioning column is fixed on one of the supports, a PCB fixing pin clamp reversing handle, a locking screw and a three-directional rotary positioning plate are respectively fixed on a PCB fixing frame, the two ends of the PCB fixing frame are respectively connected with the two supports through direct axes, a clamping plate support block is fixed on one end surface of the PCB fixing frame, two clamping plate returning columns are fixed on the PCB fixing frame and the clamping plate support block, one end of an IPM clamping plate is positioned on the clamping plate support block and connected with the PCB fixing frame through a hinge, a locking pin is fixed at the other end thereof and connected with the locking screw in a locking way. The reversible clamp has the following advantages: firstly, the technical requirements on drawings can be fully met, the difficulty on subsequent assembly can be avoided, and product quality can be better guaranteed; secondly, manual welding is performed on line and the welding direction can be adjusted at any time, to complete the on-line flow welding to multiple rows of IPM pins, so that the production can proceed smoothly, the productive tempo can be better controlled, and the production efficiency can be improved.

Description

The reversible clamp that is used for the circuit board welding

Technical field

The utility model relates to a kind of anchor clamps, particularly a kind of reversible clamp that is used for the circuit board welding.

Background technology

At present, reverse side welding sequence for high performance components after the PCB circuit board wave soldering mostly is the one man operation's manual welding of fixing back, adopt the hand that carries out that this mode can be more stable to weld, but this mode also exists apparent in view shortcoming: single manual welding needs constantly to adjust the PCB direction for multitube leg components and parts, personnel operation is loaded down with trivial details, and each station beat of integral production is uncontrollable, can not accomplish the streaming mode of production fully, have hidden danger of quality, production efficiency is lower.

Summary of the invention

In view of the deficiency that prior art exists, the utility model provides a kind of high performance components that guarantees to be close to the pcb board face, can to accomplish the streaming mode of production fully, can to regulate the reversible clamp that is used for the circuit board welding of PCB circuit board direction easily.

The utility model for achieving the above object, the technical scheme of being taked is: a kind of reversible clamp that is used for the circuit board welding, it is characterized in that: comprise base, support, the PCB fixed frame, the pressing plate back-up block, the IPM pressing plate, pressing plate return post, hinge, pin, reference column, the PCB steady pin, anchor clamps counter-rotating handle, d-axis, the lock-bit screw, rotation three-dimensional location-plate, described base two ends are symmetrical fixed support respectively, be fixed with reference column on one of them support, on the described PCB fixed frame respectively fixedly PCB steady pin anchor clamps counter-rotatings, the lock-bit screw, rotation three-dimensional location-plate, the two ends of PCB fixed frame are connected with two supports by d-axis respectively, described pressing plate back-up block is fixed on the end face of PCB fixed frame, on PCB fixed frame and pressing plate back-up block, fix two pressing plate return posts, described IPM pressing plate one end places on the pressing plate back-up block and by hinge and is connected with the PCB fixed frame, the IPM pressing plate other end is pin fixedly, pin and lock-bit screw interlocking.

The beneficial effects of the utility model are: 1. utilize IPM pressing plate and spring compression leg to make high power device be close to the PCB surface fully, satisfy the specification requirement on the drawing fully, each size is met fully, avoid the difficulty of follow-up assembling, the better guarantee product quality.2. onlinely carry out manual welding, and can do at any time welding direction and to adjust, finish online mobile welding, thereby production is carried out smoothly, better control productive temp, improved production efficiency IPM multi coil leg.

Description of drawings

Fig. 1 is a front view of the present utility model and as Figure of abstract.

Fig. 2 is a vertical view of the present utility model.

Fig. 3 is the A-A cutaway view of Fig. 2.

Fig. 4 is the schematic diagram of PCB fixed frame of the present utility model.

Fig. 5 is a support schematic diagram of the present utility model.

Fig. 6 is an IPM pressing plate schematic diagram of the present utility model.

Fig. 7 is fixed with the PCB fixed frame end view of rotation three-dimensional location-plate for the utility model.

Embodiment

Shown in Fig. 1～7, the reversible clamp that is used for the circuit board welding, comprise base 1, support 2, PCB fixed frame 3, pressing plate back-up block 4,1PM pressing plate 5, pressing plate return post 6, hinge 7, pin 8, reference column 9, PCB steady pin 10, anchor clamps counter-rotating 11, d-axis 12 lock-bit screws 13, rotate three-dimensional location-plate 14.PCB fixed frame 3 is rectangular-shaped, be provided with several support protrusion 3-1 on the periphery in PCB fixed frame 3, on four angles, be respectively equipped with strut angle 3-2, be provided with two symmetrical d-axis hole 3-4 in two minor face frame centre positions of PCB fixed frame 3, d-axis hole 3-4 one side is provided with groove 3-5 therein, be provided with reference column hole 3-5-1 among the groove 3-5, be provided with reference column hole 3-6, on one of them long margin frame face of PCB fixed frame 3, be provided with two through hole 3-7 at d-axis hole 3-4 opposite side.The face of several support protrusion 3-1, the face of strut angle 3-2 are lower than the face of PCB fixed frame 3, differ and are of a size of pcb board thickness.Support 2 has the rectangular-shaped of groove 2-1 for both sides, and aluminium material is provided with d-axis hole 2-2 and reference column hole 2-3 in support 2 upper ends.IPM pressing plate 3 is rectangular-shaped, and the polymethyl methacrylate material is fixed with four spring compression leg 3-1 on the plate face of IPM pressing plate 3.Rotation three-dimensional location-plate 14 is an aluminium material, one end is a rectangle, on rectangular surfaces, be provided with counterbore 14-1, the other end that is connected as a single entity with rectangular surfaces is an arcwall face, be provided with location hole 14-2, location hole 14-3, location hole 14-4 on arcwall face, the axis of location hole 14-2, location hole 14-4 that the axis of middle location hole 14-3 is adjacent is 30 degree angles.

The counter-rotating of square anchor clamps is fixed on 11 usefulness sunk screws on the minor face frame side of PCB fixed frame 3, fixing PCB steady pin 10 again on minor face frame face, PCB steady pin 10 can horizontally rotate, in another minor face frame groove 3-5, will rotate in the groove 3-5 that three-dimensional location-plate 4 is fixed on by sunk screw, location hole 14-3 on the three-dimensional location-plate 4 and the reference column hole 3-5-1 among the groove 3-5 align, fixing lock-bit screw 13 on 3 one long margin frame sides of PCB fixed frame.With two support 2 symmetries by the centre position of screw on base plate 1 both ends of the surface, reference column 9 penetrated among the reference column hole 2-3 of the right on the support 2 with back-up ring itself and support 2 are fixed, reference column 9 can outwards be pulled out and self-return by the spring that is provided with in it; PCB fixed frame 3 is placed between the upper end of two supports 2, sell directly to households among the 12 d-axis hole 2-2 and the d-axis hole 3-4 on the PCB fixed frame 3 that penetrate respectively on the support 2 with two, PCB fixed frame 3 can the upset activity, the pressing plate back-up block 4 that will have two through holes by screw on the frame face of PCB fixed frame 3 long margin frames one end, two through holes on the pressing plate back-up block 4 and two through hole 3-7 on the PCB fixed frame 3 align, two pressing plate return posts 6 are penetrated respectively among two through hole 3-7, one end of two pressing plate return posts 6 stretches out respectively outside two through holes of pressing plate back-up block 4, one end of IPM pressing plate 5 is placed on the pressing plate back-up block 4 and by hinge 7 fixedlys connected with PCB fixed frame 3 sides, the other end end face of IPM pressing plate 5 is by the fixing end of pin 8 of sunk screw, fixing lock-bit screw 13 snaps together interlocking on the other end of pin 8 and the PCB fixed frame 3, the move right bottom of pin 8 can be thrown off with pin position screw 13, IPM pressing plate 5 conveniently picks and places the PCB circuit board because the spring action of two pressing plate return posts 6 can make an end of IPM pressing plate 5 band pins 8 pop up automatically at this moment.

Operation principle: anchor clamps are placed the forward level, this moment, reference column 9 was located mutually with reference column control 3-6 on the PCB posting 3, the PCB circuit board is put on several support protrusion 3-1 and strut angle 3-2 on the PCB fixed frame 3, stirred PCB steady pin 10 and fix the PCB circuit board; Required device is pressed hand insert the operation assembling, after putting device well IPM pressing plate 5 is depressed, pin 8 and lock-bit screw 13 are snapped together interlocking, four fixing spring compression leg 3-1 tightly push down the high performance components of pegging graft on the PCB circuit board on the IPM pressing plate 5 at this moment, in (spring compression leg 3-1 is according to components and parts size diagonal angle assembling on the IPM pressing plate 5) spring compression leg 3-1 spring is housed, adjustment presses down intensity and guarantees components and parts safety, the right hand is outwards pulled out reference column 9, left hand is helped the anchor clamps counter-rotating 11, PCB fixed frame 3 is rotated to reverse side forward inclination 45 degree positions, the right hand pushes reference column 9 among the location hole 14-2 that rotates on the three-dimensional location-plate 14, anchor clamps place line body belt upper reaches to start to weld, and the welding back is by above-mentioned opposite order rotation self check taking-up PCB circuit board.

Claims

1. one kind is used for the reversible clamp that circuit board welds, it is characterized in that: comprise base (1), support (2), PCB fixed frame (3), pressing plate back-up block (4), IPM pressing plate (5), pressing plate return post (6), hinge (7), pin (8), reference column (9), PCB steady pin (10), the anchor clamps counter-rotating is (11), d-axis (12) lock-bit screw (13), rotation three-dimensional location-plate (14), described base (1) two ends are symmetrical fixed support (2) respectively, be fixed with reference column (9) on one of them support (2), fixing PCB steady pin (10) respectively on the described PCB fixed frame (3), the anchor clamps counter-rotating is (11), lock-bit screw (13), rotation three-dimensional location-plate (14), the two ends of PCB fixed frame (3) are connected with two supports (2) by d-axis (12) respectively, described pressing plate back-up block (4) is fixed on the end face of PCB fixed frame (3), on PCB fixed frame (3) and pressing plate back-up block (4), fix two pressing plate return posts (6), described IPM pressing plate (5) one ends place pressing plate back-up block (4) to go up and pass through hinge (7) and are connected with PCB fixed frame (3), IPM pressing plate (5) other end is pin (8) fixedly, pin (8) and lock-bit screw (13) interlocking.

2. the reversible clamp that is used for the circuit board welding according to claim 1, it is characterized in that: described PCB fixed frame (3) is a rectangle, be provided with several support protrusion (3-1) on the periphery in PCB fixed frame (3), on four angles, be respectively equipped with strut angle (3-2), be provided with two symmetrical d-axis holes (3-4) in two minor face frame centre positions of PCB fixed frame (3), a d-axis hole (3-4) side is provided with groove (3-5) therein, be provided with reference column hole (3-5-1) in the groove (3-5), opposite side is provided with reference column hole (3-6) in d-axis hole (3-4), is provided with two through holes (3-7) on long margin frame face one end of PCB fixed frame (3).

3. the reversible clamp that is used for the circuit board welding according to claim 1, it is characterized in that: the face of the face of described several support protrusion (3-1), strut angle (3-2) is lower than the face of PCB fixed frame (3), differs and is of a size of pcb board thickness.

4. the reversible clamp that is used for circuit board welding according to claim 1 is characterized in that: described support (2) is provided with d-axis hole (2-2) and reference column hole (2-3) for both sides have rectangle, the aluminium material of groove (2-1) in support (2) upper end.

5. the reversible clamp that is used for the circuit board welding according to claim 1 is characterized in that: described IPM pressing plate (3) is fixed with four spring compression legs (3-1) for rectangle, polymethyl methacrylate material on the plate face of IPM pressing plate (3).

6. the reversible clamp that is used for the circuit board welding according to claim 1, it is characterized in that: described rotation three-dimensional location-plate (14) is an aluminium material, one end is a rectangle, on rectangular surfaces, be provided with counterbore (14-1), the other end that is connected as a single entity with rectangular surfaces is an arcwall face, be provided with location hole (14-2), location hole (14-3), location hole (14-4) on arcwall face, the axis of the axis of location hole (14-3) and location hole (14-2), location hole (14-4) is 30 degree angles.