CN210387947U

CN210387947U - Special device for laser spot welding of relay reed

Info

Publication number: CN210387947U
Application number: CN201920840527.3U
Authority: CN
Inventors: 周志帝; 徐雄强; 邢瀛
Original assignee: Shanghai Hugong Auto Electric Co Ltd
Current assignee: Shanghai Hugong Auto Electric Co Ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-04-24
Anticipated expiration: 2029-06-05

Abstract

The utility model relates to a special device for laser spot welding of a relay reed, which comprises a transverse pressing mechanism, wherein the transverse pressing mechanism comprises a transverse cylinder, a push rod and a transverse press block; the push rod of the transverse cylinder is connected with the push rod, the push rod is fixedly arranged and connected with the rotating shaft, the transverse pressing block is rotatably connected with the rotating shaft, pressing heads directly acting on the reed are arranged on two sides of the rotating shaft on the transverse pressing block respectively, and the pressing heads press the reed of the relay under the pushing of the cylinder. The utility model discloses change movable reed's hold-down mechanism into rotatable, the automatic structure of finding the accuracy, even like this because laser ablation makes and compresses tightly two limit losses of head inhomogeneous, still the automatic accuracy of accessible guarantees that the reed is compressed tightly.

Description

Special device for laser spot welding of relay reed

Technical Field

The utility model relates to a device of relay reed installation particularly, is a relay reed laser spot welding isolated plant.

Background

The reed of automobile-used relay needs to be connected between the lead-out wire, generally adopts riveting or spot welding to connect among the prior art, adopts the mode of riveting or spot welding, and efficiency is lower, when meetting the position that the welding is difficult to be close moreover, adopts the fixed degree of difficulty of spot welding great, and the contact resistance of product is higher when connecting moreover, and the deformation also can be great.

Because movable spring leaf laser welding needs the anchor clamps to be quadruplex position, because of laser reflection makes two limit pressure head ablation loss inhomogeneous, leads to having one side to press not in place, influences the quality of laser welding, needs often readjustment change.

Disclosure of Invention

The utility model aims at providing a relay reed laser spot welding isolated plant can compress tightly the reed and the lead-out wire of relay in advance accurately and reliably to the implementation of the laser spot welding of being convenient for improves laser spot welding's efficiency, reduces product contact resistance and generates heat, adopts rivet dress mode or spot welding mode with the tradition and compares, has fastly, and it is little to warp, can weld advantages such as the position that is difficult to be close.

The utility model adopts the following technical proposal:

a special laser spot welding mechanism for a relay reed comprises a transverse pressing mechanism, wherein the transverse pressing mechanism comprises a transverse cylinder, a push rod and a transverse pressing block; the push rod of the transverse cylinder is connected with the push rod, the push rod is fixedly arranged and connected with the rotating shaft, the transverse pressing block is rotatably connected with the rotating shaft, pressing heads 8a which directly act on the reed 17 are respectively arranged on two sides of the rotating shaft on the transverse pressing block, and the pressing heads 8a press the reed of the relay under the pushing of the cylinder.

Further, the device also comprises a longitudinal pre-pressing mechanism, wherein the longitudinal pre-pressing mechanism comprises a longitudinal cylinder 5 and a longitudinal pressing block 1; the longitudinal cylinder 5 drives a group of longitudinal pressing blocks 1 to tightly press the corresponding relays.

Furthermore, the longitudinal pre-pressing mechanism also comprises a pressing plate 4 and a pressing block guide rod 2; the lower end of the pressing block guide rod 2 is connected with the longitudinal pressing block 1, the upper end of the pressing block guide rod is assembled with the pressing plate 4, and the spring 3 is sleeved outside the pressing block guide rod 2.

Furthermore, the transverse pressing mechanisms are provided with two groups which are parallel, and each group of transverse pressing mechanisms corresponds to two relays.

Further, the light barrier 10 is further included, and the light barrier 10 is arranged above a position corresponding to the bottom plate 15 of the relay, so that the laser is prevented from being diffused and reflected onto the bottom plate to damage the bottom plate.

Furthermore, the rotating shaft is arranged in the middle of the push rod, and the distance between the two pressure heads 8a on the push rod and the rotating shaft is equal.

Further, the relay is a vehicle-mounted relay.

The beneficial effects of the utility model reside in that:

1) the pressing mechanism of the movable spring is changed into a rotatable and automatic alignment structure, so that even if the loss of two sides of the pressing head is not uniform due to laser ablation, the spring can be pressed through automatic alignment.

2) The reed and the outgoing line of the relay can be accurately and reliably pressed in advance, so that the implementation of laser spot welding is facilitated, and the efficiency of the laser spot welding is improved;

3) the contact resistance and the heat generation of the product are reduced;

4) compared with the traditional riveting mode or spot welding mode, the method has the advantages of high speed, small deformation, welding of parts which are difficult to access and the like.

Drawings

Fig. 1 is a front view of an in-vehicle relay.

Fig. 2 is a left side view of the vehicle-mounted relay.

Fig. 3 is a plan view of the on-vehicle relay.

Fig. 4 is a front view of the special laser spot welding mechanism for the relay reed of the utility model.

Fig. 5 is a sectional view taken along line a-a in fig. 4.

Fig. 6 is a partially enlarged view of fig. 5.

Fig. 7 is the left side view of the special mechanism for laser spot welding of the relay reed of the utility model.

In the figure, 1, a longitudinal pressing block, 2, a pressing block guide rod, 3, a spring, 4, a pressing plate, 5, a longitudinal cylinder, 6, a transverse first cylinder, 7, a first push rod, 8, a transverse first pressing block, 9, a first rotating shaft, 10, a light barrier, 11, a transverse second pressing block, 12, a second rotating shaft, 13, a second push rod, 14, a spot welding position, 15, a bottom plate, 16, a lead wire and 17 are reeds.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-3, fig. 1-3 are three-directional views of an on-board relay, respectively. The figure shows the spot welding position 14 where the lead wire 16 and the reed 17 need to be subjected to laser spot welding, and the position of the base plate 15 on the vehicle-mounted relay.

Referring to fig. 4-7, a special laser spot welding mechanism for relay reeds comprises a transverse pressing mechanism, wherein the transverse pressing mechanism comprises a transverse cylinder, a push rod and a transverse pressing block; the push rod of the transverse cylinder is connected with the push rod, the push rod is fixedly arranged and connected with the rotating shaft, the transverse pressing block is rotatably connected with the rotating shaft, pressing heads 8a which directly act on the reed 17 are respectively arranged on two sides of the rotating shaft on the transverse pressing block, and the pressing heads 8a press the reed of the relay under the pushing of the cylinder.

In this embodiment, see fig. 4, it also includes a longitudinal pre-compression mechanism, which includes a longitudinal cylinder 5, a longitudinal pressing block 1; the longitudinal cylinder 5 drives a group of longitudinal pressing blocks 1 to tightly press the corresponding relays.

In this embodiment, referring to fig. 4, the longitudinal pre-pressing mechanism further includes a pressing plate 4, a pressing block guide rod 2; the lower end of the pressing block guide rod 2 is connected with the longitudinal pressing block 1, the upper end of the pressing block guide rod is assembled with the pressing plate 4, and the spring 3 is sleeved outside the pressing block guide rod 2.

In this embodiment, referring to fig. 5-6, the lateral hold-down mechanisms have two sets side-by-side, with each set corresponding to two relays.

In this embodiment, referring to fig. 5-6, the light barrier 10 is further included, and the light barrier 10 is disposed above a corresponding position of the bottom plate 15 of the relay to prevent the laser from being diffusely reflected onto the bottom plate to damage the bottom plate.

In this embodiment, referring to fig. 6, the rotating shaft is arranged at the middle part of the push rod, and two pressing heads 8a on the push rod are at the same distance from the rotating shaft.

In this embodiment, the relay is an on-board relay.

The mechanism is mainly used for compressing the reed and the outgoing line when laser welding is carried out between the reed and the outgoing line of the relay, and the assembly and use requirements of products are met.

Description of the actions, see FIGS. 1-7:

firstly, the method comprises the following steps: the vertical cylinder 5 pushes the pressing plate 4 to press the relay product through the pressing block guide rod 2 and the vertical pressing block 1 through the spring 3.

II, secondly: the transverse first air cylinder 6 and the transverse second air cylinder 11 respectively push the first push rod 7 and the second push rod 13, and then the transverse first pressing block 8 and the transverse second pressing block 11 push the outgoing line 16 of the relay product to be attached to the reed 17 through the first rotating shaft 9 and the second rotating shaft 12.

Thirdly, the method comprises the following steps: and starting the laser spot welding machine for spot welding.

The utility model changes the compressing mechanism of the movable spring into a rotatable and automatic alignment structure, thus even if the loss of the two sides of the compressing head is not uniform due to laser ablation, the spring can be ensured to be compressed by automatic alignment; the reed and the outgoing line of the relay can be accurately and reliably pressed in advance, so that the implementation of laser spot welding is facilitated, and the efficiency of the laser spot welding is improved; the contact resistance and the heat generation of the product are reduced; compared with the traditional riveting mode or spot welding mode, the method has the advantages of high speed, small deformation, welding of parts which are difficult to access and the like.

Claims

1. The utility model provides a relay reed laser spot welding isolated plant which characterized in that:

the device comprises a transverse pressing mechanism, wherein the transverse pressing mechanism comprises a transverse cylinder, a push rod and a transverse pressing block;

the push rod of the transverse cylinder is connected with the push rod, the push rod is fixedly arranged and connected with the rotating shaft, the transverse pressing block is rotatably connected with the rotating shaft, pressing heads (8a) which directly act on the reeds (17) are respectively arranged on two sides of the rotating shaft on the transverse pressing block, and the pressing heads (8a) press the reeds of the relay under the pushing of the cylinder.

2. The special device for laser spot welding of the relay reed as in claim 1, wherein: the longitudinal pre-pressing mechanism comprises a longitudinal cylinder (5) and a longitudinal pressing block (1); the longitudinal cylinder (5) drives a group of longitudinal pressing blocks (1) to tightly press the corresponding relays.

3. The special device for laser spot welding of the relay reed as in claim 2, wherein: the longitudinal pre-pressing mechanism also comprises a pressing plate (4) and a pressing block guide rod (2); the lower end of the pressing block guide rod (2) is connected with the longitudinal pressing block (1), the upper end of the pressing block guide rod is assembled with the pressing plate (4), and the spring (3) is sleeved outside the pressing block guide rod (2).

4. The special device for laser spot welding of the relay reed as in claim 1, wherein: the transverse pressing mechanisms are provided with two groups in parallel, and each group of transverse pressing mechanisms corresponds to two relays.

5. The special device for laser spot welding of the relay reed as in claim 1, wherein: the light barrier (10) is arranged above the corresponding position of the bottom plate (15) of the relay, and laser is prevented from being diffused and reflected to the bottom plate to damage the bottom plate.

6. The special device for laser spot welding of the relay reed as in claim 1, wherein: the pivot set up in the middle part of push rod, two pressure heads (8a) on the push rod apart from the distance of pivot equals.

7. The special device for laser spot welding of the relay reed as in claim 1, wherein: the relay is a vehicle-mounted relay.