Ignition coil resistance welding device

Abstract

The utility model relates to an ignition coil resistance welding device, and belongs to the technical field of ignition coil welding, the ignition coil resistance welding device comprises a mounting rack, the inner side of the mounting rack is slidably connected with a clamping plate, the lower end part of the clamping plate is provided with an electrode, and the front surface of the clamping plate is provided with a binding post; a supporting piece for supporting and adjusting the clamping plate is arranged on the mounting frame; the supporting piece comprises a hydraulic rod with one end penetrating through the mounting frame and fixedly connected with the mounting frame. According to the ignition coil resistance welding device, due to the fact that the downwards-moving transverse plate can push the clamping plates on the two sides to be close to or away from each other through the connecting rods, an ignition coil needing to be welded is placed between the two clamping plates, and the downwards-moving transverse plate can drive the telescopic plate to abut against and fix the ignition coil in advance till the clamping plates are completely attached to the ignition coil; the ignition coil can be more stably and conveniently fixed between the two clamping plates for resistance welding, and therefore the positioning stability and convenience of the ignition coil in the welding process are improved.

Description

Technical Field

[0001] The present application relates to the technical field of ignition coil welding, and in particular to an ignition coil resistance welding device. Background Art

[0002] The enameled wire ends of automobile ignition coils are connected to the contacts by resistance welding to form a pathway. To ensure a reliable connection between the enameled wire ends of the coils and the contacts, a certain amount of plastic deformation must be produced between the contacts and the enameled wire ends before welding so that they are pressed tightly together before welding.

[0003] For example, the utility model with announcement number CN206405583U discloses a welding device for an ignition coil, which includes a "П"-shaped frame and a triangular frame, which are connected by a connecting shaft, on which a compressible spring and an adjusting nut are arranged, and the two ends of the bottom of the triangular frame are respectively connected to a left plate and a right plate, and the left plate is provided with a left electrode and a left terminal. Not only is the structure simple, but it also solves the problems of excessive pressing effect between the enameled wire head of the ignition coil and the contact, and the quality guarantee problem caused by the manual resistance welding process, and can ensure the effectiveness of the combination between the enameled wire head of the coil and the contact, the amount of plastic deformation is reasonable, the auxiliary time is reduced, and the quality of the product is guaranteed.

[0004] However, when the above-described application positions the ignition coil between the left plate and the right plate, the convenience of the ignition coil in welding positioning is reduced due to the need to adjust the lateral adjustment nut and the adjustment nut in sequence. Therefore, an ignition coil resistance welding device is proposed to solve the above problem. Utility Model Content

[0005] In view of the deficiencies in the prior art, the present application provides an ignition coil resistance welding device, which has the advantages of improving the convenience of welding positioning, and solves the problem of inconvenient positioning welding.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions: an ignition coil resistance welding device, comprising a mounting frame, a clamping plate slidably connected to the inner side of the mounting frame, an electrode is arranged at the lower end of the clamping plate, and a terminal is arranged at the front side of the clamping plate;

[0007] The mounting frame is provided with a support member for supporting and adjusting the clamping plate;

[0008] The support member includes a hydraulic rod with one end passing through the mounting frame and fixedly connected to the mounting frame, the output end of the hydraulic rod is fixedly connected to a cross plate, the outer side of the cross plate is rotatably connected to a connecting rod with one end rotatably connected to a clamping plate, the inner side of the clamping plate is slidably connected to a telescopic plate, the upper end of the telescopic plate is fixedly connected to a support rod with one end passing through the cross plate, a spring is fixedly connected between the telescopic plate and the cross plate, and the outer side of the clamping plate is fixedly connected to a cross bar with one end passing through the mounting frame.

[0009] By adopting the above technical solution, since the downwardly moved horizontal plate can push the clamping plates on both sides closer or farther away through the connecting rod, the ignition coil to be welded is placed between the two clamping plates, and the downwardly moved horizontal plate can drive the telescopic plate to pre-contact and fix the ignition coil until the clamping plate is completely fitted with the ignition coil. The ignition coil can be fixed between the two clamping plates more stably and conveniently for resistance welding, thereby improving the positioning stability and convenience of the ignition coil during the welding process.

[0010] Furthermore, the number of the clamping plates is two, and the two clamping plates are symmetrically distributed on the inner side of the mounting frame.

[0011] By adopting the above technical solution, the placed ignition coil is stably clamped by the clamping plates on both sides.

[0012] Furthermore, the number of the connecting rods is four, and the four connecting rods are symmetrically distributed on the transverse plate and the two clamping plates.

[0013] By adopting the above technical solution, the clamping plate is driven to move along with the transverse plate through four connecting rods rotating on the transverse plate and the clamping plate.

[0014] Furthermore, the telescopic plate is composed of a sleeve plate and two slide plates, and the two slide plates are slidably connected to the inner side of the sleeve plate.

[0015] By adopting the above technical solution, the two slide plates can slide inside the sleeve plate without being separated from the sleeve plate.

[0016] Furthermore, one end of the slide plate located on the inner side of the sleeve plate is T-shaped, and a rubber pad is fixedly connected to the lower end of the sleeve plate.

[0017] By adopting the above technical solution, the friction force when the sleeve plate contacts the ignition coil is increased by the rubber pad.

[0018] Furthermore, one end of the slide plate close to the clamping plate is fixedly connected to a slider having one end extending into the inside of the clamping plate, and a sliding groove located outside the slider is provided on the inner side of the clamping plate, and the sliding groove is slidably connected to the slider.

[0019] By adopting the above technical solution, the slide plate can slide inside the clamping plate without being separated from the clamping plate.

[0020] Furthermore, a circular hole located outside the support rod is formed inside the transverse plate, and a limiting hole located outside the transverse rod is formed on the inner wall of the mounting frame.

[0021] By adopting the above technical solution, the support rod and the cross bar of the decibel penetrating cross plate and the mounting frame can slide stably.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] The ignition coil resistance welding device has a downwardly moved horizontal plate that can push the clamping plates on both sides closer or farther away through the connecting rod. Therefore, the ignition coil to be welded is placed between the two clamping plates, and the downwardly moved horizontal plate can drive the telescopic plate to pre-contact and fix the ignition coil until the clamping plate is completely fitted with the ignition coil. The ignition coil can be fixed between the two clamping plates more stably and conveniently for resistance welding, thereby improving the positioning stability and convenience of the ignition coil during the welding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the overall structure of this application;

[0025] Figure 2 For this application Figure 1 Enlarged view of point A in the middle;

[0026] Figure 3 This is the formal cross-sectional view of the telescopic plate structure for this application.

[0027] In the figure: 1. mounting frame; 2. support member; 21. hydraulic rod; 22. support rod; 23. spring; 24. cross plate; 25. telescopic plate; 251. sleeve plate; 252. slide plate; 253. rubber pad; 26. connecting rod; 27. cross bar; 28. slider; 3. clamping plate; 4. electrode; 5. terminal. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0029] See also Figure 1In this embodiment, an ignition coil resistance welding device includes a mounting frame 1, a clamping plate 3 is slidably connected to the inner side of the mounting frame 1, there are two clamping plates 3, and the two clamping plates 3 are symmetrically distributed on the inner side of the mounting frame 1. An electrode 4 is arranged at the lower end of the clamping plate 3, and a terminal 5 is arranged on the front side of the clamping plate 3.

[0030] A support member 2 for supporting and adjusting the clamping plate 3 is provided on the mounting frame 1; the support member 2 includes a hydraulic rod 21 at one end which passes through the mounting frame 1 and is fixedly connected to the mounting frame 1, and a cross plate 24 is fixedly connected to the output end of the hydraulic rod 21, and a connecting rod 26 at one end which is rotatably connected to the clamping plate 3 is rotatably connected to the outer side of the cross plate 24. There are four connecting rods 26, which are symmetrically distributed on the cross plate 24 and the two clamping plates 3. The four connecting rods 26 enable the moving cross plate 24 to push and pull the clamping plate 3 to move laterally through the connecting rods 26.

[0031] A telescopic plate 25 is slidably connected to the inner side of the clamping plate 3, and the upper end of the telescopic plate 25 is fixedly connected to a support rod 22 with one end passing through the horizontal plate 24. A circular hole located outside the support rod 22 is opened inside the horizontal plate 24, and a spring 23 is fixedly connected between the telescopic plate 25 and the horizontal plate 24. The outer side of the clamping plate 3 is fixedly connected to a horizontal rod 27 with one end passing through the mounting frame 1, and a limiting hole located outside the horizontal rod 27 is opened on the inner wall of the mounting frame 1.

[0032] In this embodiment, since the downwardly moved horizontal plate 24 can push the clamping plates 3 on both sides closer or farther apart through the connecting rod 26, the ignition coil to be welded is placed between the two clamping plates 3, and the downwardly moved horizontal plate 24 can drive the telescopic plate 25 to pre-contact and fix the ignition coil until the clamping plate 3 is completely fitted with the ignition coil, so that the ignition coil can be fixed between the two clamping plates 3 more stably and conveniently for resistance welding.

[0033] See also Figure 2-3 In this embodiment, the telescopic plate 25 is composed of a sleeve plate 251 and two slide plates 252. The two slide plates 252 are slidably connected to the inner side of the sleeve plate 251. The end of the slide plate 252 located on the inner side of the sleeve plate 251 is T-shaped. The lower end of the sleeve plate 251 is fixedly connected with a rubber pad 253. The end of the slide plate 252 close to the clamping plate 3 is fixedly connected with a slider 28 having one end extending to the inside of the clamping plate 3. The inner side of the clamping plate 3 is provided with a sliding groove located on the outer side of the slider 28, and the sliding groove is slidably connected to the slider 28.

[0034] In this embodiment, when the telescopic plate 25 follows the clamping plate 3 to extend and retract horizontally, the slide plate 252 on the telescopic plate 25 can follow the clamping plate 3 to move horizontally through the slider 28 without being separated from the clamping plate 3, and can also be pushed by the cross plate 24 on the clamping plate 3 to slide up and down through the slider 28.

[0035] The working principle of the above embodiment is:

[0036] The pre-assembled iron core, coil and contact assembly are manually placed between the two clamping plates 3 that are in a separated state, and the hydraulic rod 21 can be started to drive the cross plate 24 to move downward, which can drive the sleeve plate 251 on the telescopic plate 25 to pre-contact and fix the ignition coil. The downwardly moved cross plate 24 pushes the clamping plate 3 to fit completely with the ignition coil through the connecting rod 26, and the coil enameled wire end and the contact are tightly pressed together to produce a certain amount of plastic deformation. Then, current is input through the terminal 5 fixed on the clamping plate 3 to perform resistance welding, thereby improving the positioning stability and convenience of the ignition coil during the welding process.

Claims

1. An ignition coil resistance welding device, comprising a mounting frame (1), characterized in that: A clamping plate (3) is slidably connected to the inner side of the mounting frame (1), an electrode (4) is provided at the lower end of the clamping plate (3), and a terminal (5) is provided at the front side of the clamping plate (3); The mounting frame (1) is provided with a support member (2) for supporting and adjusting the clamping plate (3); The support member (2) comprises a hydraulic rod (21) having one end passing through the mounting frame (1) and fixedly connected to the mounting frame (1); the output end of the hydraulic rod (21) is fixedly connected to a transverse plate (24); the outer side of the transverse plate (24) is rotatably connected to a connecting rod (26) having one end rotatably connected to the clamping plate (3); the inner side of the clamping plate (3) is slidably connected to a telescopic plate (25); the upper end of the telescopic plate (25) is fixedly connected to a support rod (22) having one end passing through the transverse plate (24); a spring (23) is fixedly connected between the telescopic plate (25) and the transverse plate (24); and the outer side of the clamping plate (3) is fixedly connected to a transverse rod (27) having one end passing through the mounting frame (1).

2. The ignition coil resistance welding device according to claim 1, characterized in that: The number of the clamping plates (3) is two, and the two clamping plates (3) are symmetrically distributed on the inner side of the mounting frame (1).

3. The ignition coil resistance welding device according to claim 1, characterized in that: The number of the connecting rods (26) is four, and the four connecting rods (26) are symmetrically distributed on the transverse plate (24) and the two clamping plates (3).

4. The ignition coil resistance welding device according to claim 1, characterized in that: The telescopic plate (25) is composed of a sleeve plate (251) and two slide plates (252), and the two slide plates (252) are slidably connected to the inner side of the sleeve plate (251).

5. The ignition coil resistance welding device according to claim 4, characterized in that: One end of the slide plate (252) located on the inner side of the sleeve plate (251) is T-shaped, and a rubber pad (253) is fixedly connected to the lower end of the sleeve plate (251).

6. The ignition coil resistance welding device according to claim 4, characterized in that: One end of the slide plate (252) close to the clamping plate (3) is fixedly connected to a slider (28) having one end extending into the interior of the clamping plate (3); a slide groove located outside the slider (28) is provided on the inner side of the clamping plate (3); the slide groove is slidably connected to the slider (28).

7. The ignition coil resistance welding device according to claim 1, characterized in that: A circular hole located outside the support rod (22) is provided inside the transverse plate (24), and a limiting hole located outside the transverse rod (27) is provided on the inner wall of the mounting frame (1).

Images