Welding equipment of air cylinder for locomotive

Abstract

The welding equipment comprises a base, a fixed support seat is fixedly arranged at the left end of the upper end face of the base, a movable support seat is correspondingly arranged at the right end of the upper end face of the base, a first sliding rail extending in the left-right direction is arranged on the upper end face of the base, and the lower end of the movable support seat is installed on the first sliding rail in a sliding mode through a first sliding groove. Motors are arranged in the fixed support base and the movable support base, output shafts of the motors are provided with three-jaw chucks extending to the outer portion of the right side of the fixed support base or the outer portion of the left side of the movable support base, and end socket clamping bases used for embedding end sockets are fixedly installed on the three-jaw chucks in a clamped mode; the lower ends of the cylinder body supporting seats are slidably installed on the first sliding rails through second sliding grooves, and the multiple cylinder body supporting seats are located between the fixed support seat and the movable support seat at intervals. And the sealing head clamping seat plays a role in shaping and heat conduction on the sealing head, so that the end edge of the cylinder body is ensured to have good correspondence with the outer periphery of the sealing head on the corresponding side.

Description

Technical Field

[0001] The utility model relates to the technical field of air cylinder welding equipment, in particular to welding equipment for an air cylinder used for a locomotive. Background Art

[0002] like Figure 1 As shown, a locomotive air cylinder includes a cylinder body A, and a head B is welded and fixed at the left and right ends of the cylinder body A. The traditional processing method of the locomotive air cylinder is to manually splice and weld it. The problems of manually welding the locomotive air cylinder are: the splicing and welding process of the head and the cylinder body is greatly affected by human factors, and the two are prone to relative displacement during the welding process, so it is difficult to ensure the concentricity of the two after welding; the head is prone to irregular deformation after being heated during the welding process, resulting in poor precision of the welded locomotive air cylinder, and it is difficult to ensure the quality of the finished product. To this end, the utility model proposes a welding device for a locomotive air cylinder, in order to solve the above technical problems. Summary of the invention

[0003] The utility model aims to overcome the defects in the prior art and provide a welding device for a locomotive air cylinder. When welding the air cylinder, the cylinder body is placed on a plurality of cylinder body support seats, and two heads are respectively embedded and clamped on the corresponding head clamping seats on the left and right sides. The cylinder body and the head are kept in good concentricity by adjusting the height of the plurality of cylinder body support seats. Then, the cylinder body end and the corresponding head are spliced ​​and welded and fixed to form by moving the cylinder body support seats and the movable bracket seats, so as to ensure that the head and the cylinder body on the welded locomotive air cylinder have good concentricity, and solve the problem of poor concentricity between the cylinder body and the head caused by artificial splicing factors; the head clamping seat plays a beam-shaping and heat-conducting role on the head, effectively preventing the head from being drastically deformed due to heat during the welding process, ensuring that the cylinder body end edge and the outer peripheral edge of the corresponding side head have good correspondence, and no large welding misalignment phenomenon will occur, which significantly improves the finished product quality of the locomotive air cylinder; the operation is simple, the labor intensity is greatly reduced, and it is helpful to improve the welding efficiency of the locomotive air cylinder.

[0004] To achieve the above-mentioned purpose, the technical solution of the utility model is to design a welding equipment for a locomotive air cylinder, including a base, a fixed support seat is fixedly provided at the left end of the upper end surface of the base, and a movable support seat is correspondingly provided at the right end of the upper end surface, the upper end surface of the base is provided with a slide rail extending in the left and right directions, the lower end of the movable support seat is provided with a slide groove matched with the slide rail, the movable support seat is slidably installed on the slide rail through the slide groove, a motor is provided inside the fixed support seat and the movable support seat, the output shaft of the motor is provided with a three-jaw chuck extending to the right side of the fixed support seat or the left side of the movable support seat, a head clamping seat for embedding a head is fixedly installed on the three-jaw chuck, and also includes a plurality of cylinder support seats for supporting the cylinder body, the lower end of the cylinder support seat is provided with a slide groove matched with the slide rail, a plurality of the cylinder support seats are slidably installed on the slide rail through the slide groove, and a plurality of the cylinder support seats are spaced between the fixed support seat and the movable support seat.

[0005] The utility model discloses a welding device for a locomotive air cylinder. When welding the air cylinder, a cylinder body is placed on a plurality of cylinder body support seats, and two heads are respectively embedded and clamped on corresponding head clamping seats on the left and right sides. The cylinder body and the heads are kept in good concentricity by adjusting the heights of the plurality of cylinder body support seats. Then, the cylinder body support seats and the movable bracket seats are moved to splice the cylinder body ends with the corresponding heads and then weld and fix them into shape, thereby ensuring that the heads on the welded locomotive air cylinder have good concentricity with the cylinder body, and solving the problem of poor concentricity between the cylinder body and the heads caused by artificial splicing factors. The head clamping seats play a beam-shaping and heat-conducting role on the heads, effectively preventing the heads from being drastically deformed due to heat during the welding process, ensuring that the cylinder body end edges and the outer peripheral edges of the corresponding side heads have good correspondence, and no large welding misalignment occurs, thereby significantly improving the finished product quality of the locomotive air cylinder. The operation is simple, the labor intensity is greatly reduced, and the welding efficiency of the locomotive air cylinder is improved.

[0006] The preferred technical solution is that the head holder includes a ring body, and one end face of the ring body facing the three-jaw chuck has an annular eaves extending into the cavity thereof, and the annular eaves and the inner circumferential side of the ring body enclose a head installation groove for embedding the head. The head holder has a simple structural design, and the head installation groove has good adaptability to the head, which facilitates the installation of the head on the head holder. The head holder is convenient to fix, install or disassemble on the three-jaw chuck, which facilitates the efficient replacement of head holders of different models and specifications according to different models and specifications of heads.

[0007] Further preferably, the cylinder block support seat includes a base, an n-shaped bracket one, an n-shaped bracket two, a sliding seat one, a sliding seat two and a lead screw. The second chute is provided on the lower end surface of the base, and a second slide rail extending in the front-rear direction is provided on the upper end surface of the base. The sliding seat one is slidably mounted at the front end of the second slide rail, and the sliding seat two is slidably mounted at the rear end of the second slide rail. Through holes penetrating the front and rear end faces are respectively provided on the sliding seat one and the sliding seat two. External threads with opposite pitches are provided on the outer peripheral surfaces of the front and rear ends of the lead screw. The lead screw is screwed through the through holes on the sliding seat one and the sliding seat two. The front and rear ends of the lead screw are respectively rotatably mounted on the support seats fixed at the front and rear end portions of the upper end surface of the base. The n-shaped bracket two is inserted into the inner cavity of the n-shaped bracket one. The n-shaped bracket two and the n-shaped bracket one form a cross-shaped structure, and the intersection point of the two is hinged together through a rotating shaft assembly inserted through the two. The lower end of the n-shaped bracket one is hinged to the sliding seat one, and the lower end of the n-shaped bracket two is hinged to the sliding seat two. Guide wheels are respectively rotatably mounted on the tops of the n-shaped bracket one and the n-shaped bracket two. The structure of the cylinder block support seat is simply designed. During use, the cylinder block is lapped and placed in the upper slot of the cross-shaped structure of the n-shaped bracket two and the n-shaped bracket one, and both are in rolling contact with the outer peripheral side surface of the cylinder block through the guide wheels, so as to ensure that the cylinder block can rotate flexibly during the welding process to ensure the convenience of circumferential welding between the cylinder block and the head.

[0008] Further preferably, nuts coaxial with the through holes are provided on the front end face and / or the rear end face of the sliding seat one and on the front end face and / or the rear end face of the sliding seat two. The lead screw is screwed through the nuts. The nuts improve the stability of the screwed connection position between the through holes on the sliding seat and the lead screw, that is, ensure the stability when adjusting the height of the cylinder block support seat by rotating the lead screw.

[0009] Further preferably, the front end of the lead screw extends to the front side of the support seat at the front part of the upper end surface of the base, and a hand wheel is provided at the front end of the lead screw. The hand wheel ensures the convenience when adjusting the height of the cylinder block support seat by rotating the lead screw.

[0010] Further preferably, a spacer sleeve is provided on the rotating shaft assembly between the two side arms of the n-shaped bracket one. When the cylinder block support seat bears the weight of the cylinder block, the spacer sleeve supports the two side arms of the n-shaped bracket one, avoiding warping deformation of the two side arms of the n-shaped bracket one and ensuring the stability of the cylinder block support seat when supporting the cylinder block.

[0011] Further preferably, there are two cylinder block support seats.

[0012] The advantages and beneficial effects of the present utility model are as follows:

[0013] 1. A welding device for a locomotive air cylinder of the present utility model. When welding the air cylinder, the cylinder body is placed on several cylinder body support seats, and two end heads are respectively embedded and clamped on the corresponding end head clamping seats on the left and right sides. By adjusting the height of several cylinder body support seats, the cylinder body and the end head can maintain good concentricity. Then, by moving the cylinder body support seats and the movable support seats, the end of the cylinder body is spliced with the corresponding end head and then welded and fixed to form a shape, ensuring that the upper end head of the locomotive air cylinder formed by welding has good concentricity with the cylinder body, and solving the problem of poor concentricity between the cylinder body and the end head caused by human splicing factors; the end head clamping seat plays a role in shaping and heat conduction for the end head, effectively preventing the end head from undergoing severe deformation due to heat during the welding process, ensuring good correspondence between the end edge of the cylinder body and the outer peripheral edge of the corresponding side end head, and preventing a large welding misalignment phenomenon, significantly improving the finished product quality of the locomotive air cylinder; the operation is simple, greatly reducing the labor intensity of workers and helping to improve the welding efficiency of the locomotive air cylinder.

[0014] 2. The structure design of the end head clamping seat is simple, and the adaptability between the end head installation groove and the end head is good, facilitating the installation of the end head on the end head clamping seat. Moreover, the end head clamping seat can be fixedly installed or disassembled on the three-jaw chuck conveniently, facilitating the replacement of different models and specifications of end head clamping seats according to different models and specifications of end heads with high efficiency.

[0015] 3. The structure design of the cylinder body support seat is simple. During use, the cylinder body is lapped and placed in the upper card slot of the cross structure of the n-shaped bracket two and the n-shaped bracket one, and both are in rolling contact with the outer peripheral side of the cylinder body through guide wheels, thereby ensuring that the cylinder body can rotate flexibly during the welding process to ensure the circumferential welding convenience between the cylinder body and the end head.

[0016] 4. Nuts corresponding to the screw holes coaxially are provided on the front end face and / or the rear end face of the first sliding seat and on the front end face and / or the rear end face of the second sliding seat, and the lead screw is screwed through the nuts. The nuts improve the stability of the screwed connection position between the screw hole on the sliding seat and the lead screw, that is, ensure the stability when adjusting the height of the cylinder body support seat by rotating the lead screw.

[0017] 5. A spacer sleeve is provided on the rotating shaft assembly between the two side arms of the n-shaped bracket one. When the cylinder body support seat bears the weight of the cylinder body, the spacer sleeve plays a supporting role for the two side arms of the n-shaped bracket one, avoiding warping deformation of the two side arms of the n-shaped bracket one and ensuring the stability of the cylinder body support seat when supporting the cylinder body. Brief Description of the Drawings

[0018] Figure 1 is a three-dimensional view of a locomotive air cylinder in the background art;

[0019] Figure 2 is a three-dimensional view of the front side perspective of the welding device for a locomotive air cylinder of the present utility model;

[0020] Figure 3 It is a perspective view of the rear side of a welding device for an air cylinder used in a locomotive according to the present utility model;

[0021] Figure 4 It is a perspective view of the headstock chuck;

[0022] Figure 5 It is a perspective view of the right front side of the cylinder support seat;

[0023] Figure 6 It is a perspective view of the right rear side of the cylinder support seat;

[0024] Figure 7 It is a perspective view of the working state of a welding device for an air cylinder used in a locomotive according to the present utility model.

[0025] In the figure: A, cylinder body; B, head; C, guide wheel; D, nut; 1, base; 2, fixed bracket seat; 3, movable bracket seat; 4, three-jaw chuck; 5, headstock chuck; 6, cylinder support seat; 7, output shaft; 1-1, slide rail one; 5-1, ring body; 5-2, annular eaves; 5-3, head installation groove; 6-1, base; 6-1a, slide groove two; 6-1b, slide rail two; 6-1c, support seat; 6-2, n-shaped bracket one; 6-3, n-shaped bracket two; 6-4, sliding seat one; 6-5, sliding seat two; 6-6, lead screw; 6-6a, hand wheel; 6-7, rotating shaft assembly; 6-7a, spacer sleeve. Specific embodiments

[0026] The following combines the accompanying drawings and embodiments to further describe the specific embodiments of the present utility model. The following embodiments are only used to more clearly illustrate the technical solutions of the present utility model and cannot be used to limit the protection scope of the present utility model.

[0027] Embodiment

[0028] As Figures 2 to 6As shown in the figure, the utility model is a welding device for an air cylinder used in a locomotive, including a base 1. A fixed support seat 2 is fixedly arranged at the left end of the upper end surface of the base 1, and a movable support seat 3 is correspondingly arranged at the right end of the upper end surface. A first slide rail 1-1 extending in the left-right direction is arranged on the upper end surface of the base 1. A first chute adapted to the first slide rail 1-1 is arranged at the lower end of the movable support seat 3. The movable support seat 3 is slidably mounted on the first slide rail 1-1 through the first chute. Motors are arranged inside both the fixed support seat 2 and the movable support seat 3. Three-jaw chucks 4 extending to the outside of the right side of the fixed support seat 2 or the outside of the left side of the movable support seat 3 are arranged on the output shafts 7 of the motors. A head seat 5 for fitting a head B is fixedly installed on the three-jaw chuck 4 by clamping. The welding device also includes a number of cylinder support seats 6 for supporting a cylinder body A. A second chute 6-1a adapted to the first slide rail 1-1 is arranged at the lower end of the cylinder support seat 6. The number of cylinder support seats 6 are slidably mounted on the first slide rail 1-1 through the second chute 6-1a, and the number of cylinder support seats 6 are spaced between the fixed support seat 2 and the movable support seat 3.

[0029] Preferably, the head seat 5 includes a ring body 5-1. An annular eaves 5-2 extending into its cavity is arranged on one end surface of the ring body 5-1 facing the three-jaw chuck 4. A head installation groove 5-3 for fitting the head B is formed by the enclosure of the annular eaves 5-2 and the inner circumferential side surface of the ring body 5-1.

[0030] Further preferably, the cylinder block support seat 6 includes a base 6-1, an n-shaped bracket one 6-2, an n-shaped bracket two 6-3, a sliding seat one 6-4, a sliding seat two 6-5 and a lead screw 6-6. A chute two 6-1a is provided on the lower end face of the base 6-1, and a slide rail two 6-1b extending in the front-rear direction is provided on the upper end face of the base 6-1. The sliding seat one 6-4 is slidably mounted at the front end of the slide rail two 6-1b, and the sliding seat two 6-5 is slidably mounted at the rear end of the slide rail two 6-1b. Through holes penetrating the front and rear end faces are respectively provided on the sliding seat one 6-4 and the sliding seat two 6-5. External threads with opposite directions are provided on the outer peripheral surfaces at the front and rear ends of the lead screw 6-6. The lead screw 6-6 is screwed through the through holes on the sliding seat one 6-4 and the sliding seat two 6-5. The front and rear ends of the lead screw 6-6 are respectively rotatably mounted on support seats 6-1c fixedly provided at the front and rear end portions of the upper end face of the base 6-1. The n-shaped bracket two 6-3 is inserted into the inner cavity of the n-shaped bracket one 6-2. The n-shaped bracket two 6-3 and the n-shaped bracket one 6-2 are in a cross-shaped structure, and the intersection point of the two is hinged together through a rotating shaft assembly 6-7 inserted through the two. The lower end of the n-shaped bracket one 6-2 is hinged to the sliding seat one 6-4, and the lower end of the n-shaped bracket two 6-3 is hinged to the sliding seat two 6-5. Guide wheels C are respectively rotatably mounted on the tops of the n-shaped bracket one 6-2 and the n-shaped bracket two 6-3.

[0031] Further preferably, nuts D coaxial with the through holes are provided on the front end face and / or the rear end face of the sliding seat one 6-4 and on the front end face and / or the rear end face of the sliding seat two 6-5. The lead screw 6-6 is screwed through the nuts D.

[0032] Further preferably, the front end of the lead screw 6-6 extends to the front side of the support seat 6-1c at the front part of the upper end face of the base 6-1, and a hand wheel 6-6a is provided at the front end of the lead screw 6-6.

[0033] Further preferably, a spacer sleeve 6-7a located between the two side arms of the n-shaped bracket one 6-2 is provided on the rotating shaft assembly 6-7.

[0034] Further preferably, there are two cylinder block support seats 6.

[0035] The working principle of a welding device for an air cylinder of a locomotive according to the present utility model:

[0036] Step 1: Insert one head B into the head mounting groove 5-3 on the fixed support seat 2, insert the other head B into the head mounting groove 5-3 on the movable support seat 3, and place the cylinder block A on the two cylinder block support seats 6. One cylinder block support seat 6 is located at the left end of the cylinder block A, and the other cylinder block support seat 6 is located at the right end of the cylinder block A.

[0037] Step 2: Rotate the handwheel 6-6a to rotate the lead screw 6-3 to adjust the height of the cylinder support base 6, so that the concentricity of the cylinder A and the two end heads B is kept consistent;

[0038] Step 3: Push the two cylinder support bases 6 to move leftward along the first slide rail 1-1, so that the left end of the cylinder A is spliced with the end head B located on the fixed support base 2 (see the appendix Figure 7 ), and then push the movable support base 3 to move leftward along the first slide rail 1-1, so that the end head B located on the movable support base 3 is spliced with the right end of the cylinder A;

[0039] Step 4: Weld the outer peripheries of the two end heads B and the two end edges of the cylinder A together correspondingly. During the welding process, the motors on the fixed support base 2 and the movable support base 3 can also be started to make the end heads B and the cylinder A rotate by a certain angle to meet the best welding angle. After the welding is completed, move the two cylinder support bases 6 and the movable support base 3 rightward along the first slide rail 1-1, and finally hoist the welded locomotive air cylinder down.

[0040] For a welding device for a locomotive air cylinder of the present utility model, when welding the air cylinder, the cylinder is placed on a plurality of cylinder support bases, and the two end heads are respectively installed and clamped on the corresponding end head clamping seats on the left and right sides. By adjusting the height of the plurality of cylinder support bases, the concentricity between the cylinder and the end head is kept good. Then, by moving the cylinder support base and the movable support base, the end of the cylinder is spliced with the corresponding end head and then welded and fixed into shape, ensuring that the upper end head and the cylinder of the welded locomotive air cylinder have good concentricity, and solving the problem of poor concentricity between the cylinder and the end head caused by artificial splicing factors; the end head clamping seat plays a role in shaping and heat conduction for the end head, effectively preventing the end head from generating violent deformation due to heat during the welding process, ensuring good correspondence between the end edge of the cylinder and the outer periphery of the corresponding side end head, and preventing large welding misalignment phenomena, significantly improving the finished product quality of the locomotive air cylinder; the operation is simple, greatly reducing the labor intensity of workers and helping to improve the welding efficiency of the locomotive air cylinder.

[0041] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model.

Claims

1. A welding device for an air cylinder used in a locomotive, characterized in that, It includes a base (1). A fixed bracket seat (2) is fixedly installed at the left end of the upper end surface of the base (1), and a movable bracket seat (3) is correspondingly arranged at the right end of the upper end surface. A first slide rail (1-1) extending in the left-right direction is arranged on the upper end surface of the base (1). A first chute adapted to the first slide rail (1-1) is provided at the lower end of the movable bracket seat (3). The movable bracket seat (3) is slidably installed on the first slide rail (1-1) through the first chute. Motors are provided inside both the fixed bracket seat (2) and the movable bracket seat (3). Three-jaw chucks (4) extending to the outside of the right side of the fixed bracket seat (2) or the outside of the left side of the movable bracket seat (3) are provided on the output shafts (7) of the motors. A head seat (5) for fitting a head (B) is fixedly installed by clamping on the three-jaw chuck (4). It also includes a number of cylinder support seats (6) for supporting a cylinder body (A). A second chute (6-1a) adapted to the first slide rail (1-1) is provided at the lower end of the cylinder support seat (6). The number of cylinder support seats (6) are slidably installed on the first slide rail (1-1) through the second chute (6-1a), and the number of cylinder support seats (6) are spaced between the fixed bracket seat (2) and the movable bracket seat (3).

2. The welding equipment for the air cylinder of a locomotive according to claim 1, characterized in that, The head seat (5) includes a ring body (5-1). One end surface of the ring body (5-1) facing the three-jaw chuck (4) has an annular eaves body (5-2) extending into its cavity. The annular eaves body (5-2) and the inner peripheral side surface of the ring body (5-1) enclose a head installation groove (5-3) for fitting the head (B).

3. The welding equipment for the air cylinder of a locomotive according to claim 2, characterized in that, The described cylinder block support seat (6) includes a base (6-1), an n-shaped bracket one (6-2), an n-shaped bracket two (6-3), a sliding seat one (6-4), a sliding seat two (6-5), and a lead screw (6-6). The second chute (6-1a) is provided on the lower end surface of the base (6-1), and a second slide rail (6-1b) extending in the front-rear direction is provided on the upper end surface of the base (6-1). The sliding seat one (6-4) is slidably mounted at the front end of the second slide rail (6-1b), and the sliding seat two (6-5) is slidably mounted at the rear end of the second slide rail (6-1b). Through holes penetrating the front and rear end surfaces are respectively provided on the sliding seat one (6-4) and the sliding seat two (6-5). External threads with opposite directions are provided on the outer peripheral surfaces of the front and rear ends of the lead screw (6-6). The lead screw (6-6) is screwed through the through holes on the sliding seat one (6-4) and the sliding seat two (6-5). The front and rear ends of the lead screw (6-6) are respectively rotatably mounted on support seats (6-1c) fixed at the front and rear end portions of the upper end surface of the base (6-1). The n-shaped bracket two (6-3) is inserted into the inner cavity of the n-shaped bracket one (6-2). The n-shaped bracket two (6-3) and the n-shaped bracket one (6-2) form a cross-shaped structure, and their intersection points are hinged together through a rotating shaft assembly (6-7) inserted through them. The lower end of the n-shaped bracket one (6-2) is hinged to the sliding seat one (6-4), and the lower end of the n-shaped bracket two (6-3) is hinged to the sliding seat two (6-5). Guide wheels (C) are respectively rotatably mounted at the tops of the n-shaped bracket one (6-2) and the n-shaped bracket two (6-3).

4. The welding equipment for the air cylinder of a locomotive according to claim 3, characterized in that, Nuts (D) coaxial with the through holes are provided on the front end face and / or the rear end face of the sliding seat one (6-4) and on the front end face and / or the rear end face of the sliding seat two (6-5). The lead screw (6-6) is screwed through the nuts (D).

5. The welding equipment for the air cylinder of a locomotive according to claim 4, characterized in that, The front end of the lead screw (6-6) extends to the front side of the support seat (6-1c) at the front part of the upper end surface of the base (6-1), and a hand wheel (6-6a) is provided at the front end of the lead screw (6-6).

6. The welding device for the air cylinder used in a locomotive according to claim 5, characterized in that, A spacer sleeve (6-7a) located between the two side arms of the n-shaped bracket one (6-2) is provided on the rotating shaft assembly (6-7).

7. The welding equipment for the air cylinder of a locomotive according to any one of claims 1 to 6, characterized in that, There are two cylinder block support seats (6).

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