Automatic welding device for diesel engine rack

Abstract

The automatic welding device for the diesel engine rack comprises a welding box body and a supporting box body which are fixedly connected in the longitudinal direction, a carrier roller conveying line is installed above the supporting box body, and the carrier roller conveying line penetrates through the welding box body in the transverse direction; two symmetrically-arranged electromagnets are installed on the inner wall of the welding box body and rotationally connected with the welding box body through supporting bases correspondingly. A longitudinal telescopic arm is installed on the top of an inner cavity of the welding box, the bottom end of the longitudinal telescopic arm is connected with a transverse sliding rail through a rotary seat, a sliding block sliding along the transverse sliding rail is arranged on the transverse sliding rail, and a welding head is installed at the bottom of the sliding block. According to the automatic welding device provided by the utility model, the assembly line welding operation of the rack can be realized, the problem of high initial investment cost can be solved, and the environmental pollution can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of automatic welding device for diesel engine frame, belong to diesel engine production technical field. BACKGROUND

[0002] Frame is the support system of low-speed diesel engine, it bears the weight of engine and corresponding load, ensure the stability and durability of engine. Frame is the support of engine, supports the entire engine and corresponding components, can prevent engine from being impacted or collided during operation, reduce the risk of engine damage. Frame is welded or cast.

[0003] At present, the processing of welding frame usually adopts welding robot, and it is believed through practice that the following technical problems still exist:

[0004] 1. The assembly welding of each frame is relatively independent, not suitable for assembly line operation;

[0005] 2. Welding robot has the problem of high initial investment cost;

[0006] 3. Welding fume and welding harmful gas can easily cause environmental pollution.

[0007] As can be seen from the above, the prior art obviously has inconvenience and defects in actual use, so it is necessary to improve. CONTENT OF THE UTILITY MODEL

[0008] The utility model provides a kind of automatic welding device for diesel engine frame to the deficiency in the background art, can realize the assembly line welding operation of frame, not only can solve the problem of high initial investment cost, but also can reduce environmental pollution.

[0009] To solve the above technical problems, the utility model adopts the following technical solutions:

[0010] Automatic welding device for diesel engine frame, including the welding box body and support box body fixedly connected along the longitudinal direction, support box body top is equipped with the roller conveyor line, roller conveyor line is set along the transverse and penetrates welding box body;

[0011] Two electromagnets symmetrically arranged are installed on the inner wall of welding box body, electromagnet is rotatably connected with welding box body by support seat respectively;

[0012] The inner cavity top of welding box body is equipped with longitudinal telescopic arm, longitudinal telescopic arm bottom end is connected with horizontal slide rail by swivel seat, horizontal slide rail is equipped with sliding block sliding along it, and sliding block bottom is equipped with welding head.

[0013] Further, a first rotary motor is installed on the outer wall of the welding box body to drive the rotation of the electromagnet.

[0014] Furthermore, multiple upward-facing lifting cylinders are fixedly installed at the bottom of the support box.

[0015] Furthermore, a support plate is installed on the head of the lifting cylinder.

[0016] Furthermore, the longitudinal telescopic arm is fixedly connected to the top wall of the welded box body through multiple stiffening plates.

[0017] Furthermore, the bottom end of the longitudinal telescopic arm is located inside the welded box.

[0018] Furthermore, the longitudinal telescopic boom has a hollow structure, and a telescopic cylinder is installed inside the longitudinal telescopic boom. The telescopic cylinder drives the longitudinal telescopic boom to extend or retract.

[0019] Furthermore, a second rotary motor is provided above the rotary base for driving the transverse slide rail to rotate.

[0020] Compared with the prior art, the present invention, by adopting the above technical solution, has the following advantages:

[0021] The frame to be welded is conveyed at equal distances via the roller conveyor line. When the frame to be welded enters the bottom of the welding box, the lifting cylinder lifts the frame to be welded to the electromagnet. The electromagnet is energized to achieve strong attraction of the frame to be welded. The frame to be welded can rotate back and forth under the action of the first rotary motor. The welding head can weld the frame to be welded. After welding, the frame is re-entered into the roller conveyor line for conveying, realizing assembly line welding operation.

[0022] The welding head can be adjusted in height by telescopic hydraulic cylinder, adjusted in horizontal position by sliding the slider along the transverse slide rail, and rotated in all directions by a second rotary motor, which can solve the problem of high initial investment cost of welding equipment;

[0023] In this invention, the welding process is located inside the welding box, and welding fumes and harmful gases can be extracted and centrally treated, reducing environmental pollution.

[0024] The present invention will now be described in detail with reference to the accompanying drawings and embodiments. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of this utility model;

[0026] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0027] Figure 3 This is a schematic diagram of the welding joint installation;

[0028] Figure 4 This is a schematic diagram of the electromagnet installation.

[0029] In the figure, 1 - support box, 2 - roller conveying line, 3 - to be welded rack, 4 - welding box, 5 - lifting oil cylinder, 6 - supporting plate, 7 - electromagnet, 8 - first rotary motor, 9 - longitudinal telescopic arm, 10 - telescopic oil cylinder, 11 - rib plate, 12 - rotary seat, 13 - transverse sliding rail, 14 - second rotary motor, 15 - sliding block, 16 - welding head. DETAILED DESCRIPTION

[0030] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation mode of the utility model will be described with reference to the drawings.

[0031] As Figures 1-4 The utility model provides a kind of automatic welding device for diesel engine rack, including the welding box 4 and support box 1 being fixedly connected along longitudinal direction, supporting box 1 top is equipped with roller conveying line 2, roller conveying line 2 is set along transverse and penetrates welding box 4.

[0032] The bottom of the support box 1 is fixedly installed with a plurality of lifting oil cylinders 5 arranged upward, the piston rod of the lifting oil cylinder 5 can be arranged longitudinally through the roller conveying line 2, the head of the lifting oil cylinder 5 is installed with a supporting plate 6, the lifting oil cylinder 5 drives the supporting plate 6 to realize lifting of the to-be-welded rack 3 on the roller conveying line 2.

[0033] Two electromagnets 7 are installed on the inner wall of the welding box 4, the electromagnets 7 are rotatably connected with the welding box 4 through support seats, the electromagnets 7 can rotate forward and backward along the support seats, and a first rotary motor 8 is installed on the outer wall of the welding box 4 to drive the electromagnets 7 to rotate.

[0034] The electromagnets 7 generate strong magnetism after being energized to realize strong adsorption of the to-be-welded rack 3, and the to-be-welded rack 3 can rotate with the electromagnets 7.

[0035] A longitudinal telescopic arm 9 is installed at the top of the inner cavity of the welding box 4, the longitudinal telescopic arm 9 is fixedly connected with the top wall of the welding box 4 through a plurality of rib plates 11, the longitudinal telescopic arm 9 is a hollow structure, a telescopic oil cylinder 10 is installed in the longitudinal telescopic arm 9, and the telescopic oil cylinder 10 drives the longitudinal telescopic arm 9 to elongate or shorten.

[0036] The bottom end of the longitudinal telescopic arm 9 is located in the inner cavity of the welding box 4, the bottom end of the longitudinal telescopic arm 9 is connected with a transverse sliding rail 13 through a rotary seat 12, the transverse sliding rail 13 can rotate along the rotary seat 12, and a second rotary motor 14 is arranged above the rotary seat 12 to drive the transverse sliding rail 13 to rotate.

[0037] The transverse slide rail 13 is provided with a sliding block 15 sliding thereon, and the sliding block 15 is provided at the bottom with a welding head 16.

[0038] The specific working principle of the utility model is as follows:

[0039] The pre-assembled multiple racks 3 to be welded are conveyed by the roller conveying line 2 at equal intervals, and when the rack 3 to be welded enters the bottom of the welding box 4, the lifting oil cylinder 5 drives the supporting plate 6 to lift the rack 3 to be welded to the electromagnet 7, and the electromagnet 7 generates strong magnetism after being electrified to realize strong adsorption of the rack 3 to be welded. The rack 3 to be welded can rotate forward and backward under the action of the first rotary motor 8, the welding head 16 can adjust its height through the telescopic oil cylinder 10, the horizontal position can be adjusted through the movement of the sliding block 15 along the transverse slide rail 13, the circumferential rotation can be realized through the second rotary motor 14, and the welding head 16 can weld the rack 3 to be welded; after welding, the rack reenters the roller conveying line 2 through the action of the lifting oil cylinder 5 and the supporting plate 6, and is conveyed out of the welding box 4.

[0040] The above is the example of the best implementation mode of the utility model, wherein the parts not described in detail are the common knowledge of the ordinary skilled in the art. The protection scope of the utility model is subject to the content of the claims, and any equivalent transformation based on the technical inspiration of the utility model is also within the protection scope of the utility model.

Claims

1. An automated welding apparatus for diesel engine bed frames, characterized by: Including the welding box (4) and the support box (1) fixedly connected along the longitudinal direction, the support box (1) is provided with the roller conveying line (2) above, the roller conveying line (2) is set along the transverse direction through the welding box (4); The inner wall of the welding box (4) is provided with two electromagnets (7) symmetrically arranged, and the electromagnets (7) are rotatably connected with the welding box (4) through the support seat; The top of the inner cavity of the welding box (4) is provided with a longitudinal telescopic arm (9), the bottom end of the longitudinal telescopic arm (9) is connected with the transverse sliding rail (13) through the rotary seat (12), the transverse sliding rail (13) is provided with a sliding block (15) sliding thereon, and the bottom of the sliding block (15) is provided with a welding head (16).

2. The automated welding apparatus for diesel engine bed frames as claimed in claim 1, wherein: The outer wall of the welding box (4) is provided with a first rotary motor (8) for driving the electromagnet (7) to rotate.

3. The automated welding apparatus for diesel engine bed frames as defined in claim 1, wherein: The bottom of the support box (1) is fixedly provided with a plurality of upwardly arranged lifting oil cylinders (5).

4. The automated welding apparatus for diesel engine bed frames as defined in claim 3, wherein: The head of the lifting oil cylinder (5) is provided with a supporting plate (6).

5. The automated welding system for diesel engine bed frames as defined in claim 1 wherein: The longitudinal telescopic arm (9) is fixedly connected with the top wall of the welding box (4) through a plurality of rib plates (11).

6. The automated welding apparatus for diesel engine bed frames as defined in claim 5, wherein: The bottom end of the longitudinal telescopic arm (9) is located in the inner cavity of the welding box (4).

7. The automated welding apparatus for diesel engine bed frames as defined in claim 6, wherein: The longitudinal telescopic arm (9) is of a hollow structure, and a telescopic oil cylinder (10) is installed in the longitudinal telescopic arm (9), the telescopic oil cylinder (10) drives the longitudinal telescopic arm (9) to elongate or shorten.

8. The automated welding system for diesel engine bed frames as defined in claim 1 wherein: The top of the rotary seat (12) is provided with a second rotary motor (14) for driving the transverse sliding rail (13) to rotate.

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