Welding mechanism for hydraulic oil cylinder

Abstract

The utility model relates to a welding mechanism for a hydraulic oil cylinder. A driving motor and a rotating platform are arranged on the welding platform, a welding assembly is arranged on the welding platform and comprises a positioning rod, an adjusting sliding sleeve, a mounting rod, a mounting seat and a welding gun, a rotating groove is formed in the mounting seat, a connecting block is arranged at the tail end of the welding gun, rotating shafts are arranged at the two ends of the connecting block, and a rotating hole is formed in the rotating groove; a plurality of connecting holes are formed in the connecting block, a first reset spring is arranged in each connecting hole, the two ends of each first reset spring are fixed to the corresponding connecting hole and the corresponding positioning ball respectively, a positioning inserting hole is formed in the connecting block, a limiting sliding rod is slidably arranged in the positioning through groove, and the two ends of the limiting sliding rod extend out of the positioning through groove; a second reset spring is further arranged in the positioning through groove, the limiting sliding rod is sleeved with the second reset spring, and the two ends of the second reset spring are fixedly connected with the limiting sliding rod and the positioning through groove correspondingly. The device is ingenious in structure, convenient and practical.

Description

Technical Field

[0001] The utility model relates to the field of hydraulic cylinder welding, in particular to a welding mechanism for a hydraulic cylinder. Background Art

[0002] The hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has a simple structure and reliable operation. When it is used to achieve reciprocating motion, the deceleration device can be eliminated, and there is no transmission gap, and the motion is smooth, so it is widely used in the hydraulic systems of various machines. The output force of the hydraulic cylinder is proportional to the effective area of ​​the piston and the pressure difference on both sides; the hydraulic cylinder is basically composed of a cylinder barrel and a cylinder head, a piston and a piston rod, a sealing device, a buffer device and an exhaust device. The buffer device and the exhaust device depend on the specific application, and other devices are indispensable.

[0003] During the preparation of the existing hydraulic cylinder, it is necessary to form the cylinder as a whole through welding. During the welding process, the height of the welding gun is generally adjusted by fixing the welding gun on a lifting device, and then welding is performed by rotating the welding gun around the cylinder. However, the welding angle on the hydraulic cylinder in this welding method is relatively single. When the welding position is relatively remote or tricky, the welding gun needs to be disassembled and readjusted before welding, which is very inconvenient. Utility Model Content

[0004] The utility model aims to provide a welding mechanism for a hydraulic cylinder, which has an ingenious structure and can quickly adjust the angle of a welding gun according to actual circumstances, thereby being convenient and efficient.

[0005] The technical solution for achieving the purpose of the utility model is as follows: the utility model has a welding platform; the welding platform is provided with a driving motor and a rotating platform for placing a cylinder body, the rotating platform is rotatably arranged on the welding platform under the drive of the driving motor, the welding platform is provided with a welding assembly that can weld the cylinder body on the rotating platform, the welding assembly includes a positioning rod fixed on the welding platform, an adjusting sleeve that is lifted and slidably arranged on the positioning rod, a mounting rod fixed on the adjusting sleeve, a mounting seat fixed on the mounting rod away from one end of the adjusting sleeve, and a welding gun installed on the mounting seat, the positioning rod is vertically arranged with the welding platform, the adjusting sleeve is coaxially arranged with the positioning rod and fixed on the positioning rod through a locking member, the mounting rod is parallel to the welding platform, a rotating groove is arranged on the mounting seat, a connecting block is arranged at the tail end of the welding gun, rotating shafts are arranged at both ends of the connecting block, rotating holes corresponding to each rotating shaft are arranged in the rotating groove, and a plurality of rotating holes are arranged on the connecting block The cam is provided with a plurality of positioning holes, and the end surface of the positioning hole is provided with a positioning hole corresponding to each connecting hole. The end surface of the connecting block away from the positioning ball is provided with a positioning hole corresponding to each connecting hole. The rotating groove is provided with a positioning through slot corresponding to each positioning hole. A limiting slide bar is slidably provided in the positioning through slot, and both ends of the limiting slide bar extend out of the positioning through slot. The positioning through slot is also provided with a second returning spring, the second returning spring is sleeved on the limiting slide bar, and the two ends of the second returning spring are respectively fixedly connected with the limiting slide bar and the positioning through slot. The welding gun is adjusted in angle in the rotating groove through the cooperation of each rotating shaft and the rotating hole on the connecting block, and the cooperation of the positioning ball and the positioning hole, and the positioning after the angle adjustment is performed through the continuous force of the limiting slide bar by the second returning spring, and the plug-in cooperation of the limiting slide bar and the positioning hole.

[0006] Furthermore, the positioning rod is provided with guide grooves which are relatively arranged, and the extension direction of each guide groove is arranged parallel to the axis of the positioning rod. The adjusting sleeve is provided with guide wheels corresponding to each guide groove. The positioning rod is provided with a plurality of locking grooves which are evenly arranged along the extension direction of the axis of the positioning rod. The adjusting sleeve is provided with a mounting groove, and the extension direction of the mounting groove is arranged perpendicular to the axis of the adjusting sleeve. A locking rod is slidably arranged in the mounting groove, and both ends of the locking rod extend out of the mounting groove. A third return spring is sleeved on the locking rod, and the two ends of the third return spring are respectively fixedly connected to the locking rod and the mounting groove. The adjusting sleeve slides on the positioning rod through the cooperation of each guide wheel and the guide groove, and is fixed to the positioning rod through the continuous force applied to the locking rod by the third return spring, and the plug-in cooperation between the locking rod and any locking groove.

[0007] Furthermore, the output end of the above-mentioned driving motor is fixed on the bottom surface of the rotating platform, the welding platform is provided with an annular slide rail, and the bottom of the rotating platform is provided with a plurality of bottom sliders corresponding to the annular slide rail. The rotating platform is set on the welding platform through the drive of the driving motor and the coordinated rotation of the annular slide rail and the bottom slider.

[0008] 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said adjusting base is a steel plate and said adjusting base is connected along the axis of said rotating platform to said sliding plate, and said adjusting base is connected along the axis of said rotating platform to said sliding plate, wherein said adjusting base has the steel plate connected to said adjusting base and said adjusting base has a steel plate connected to said adjusting base.

[0009] Furthermore, each pressure rod is provided with a pressure pad.

[0010] The utility model has positive effects: (1) The utility model arranges a welding gun on the mounting seat, and the connecting block on the welding gun is rotated and the angle of the welding gun is adjusted by the cooperation of the rotating shaft and the rotating hole. The cooperation of each positioning ball and the positioning hole can give the operator a control of the rotation angle. After the angle adjustment is completed, the welding angle of the rotated welding gun is fixed by the cooperation of the limit slide bar and the positioning socket, which effectively solves the problem of a single fixed welding angle and complicated angle adjustment of the welding gun in the prior art. The angle is fixed by the rotation of the welding gun and the cooperation of the limit slide bar and the positioning socket. The structure is ingenious and efficient.

[0011] (2) The utility model provides a guide groove on the positioning rod, and a guide wheel in the adjusting groove. The adjusting sleeve is driven to move up and down and slide through the cooperation of the guide wheel and the guide groove, and is locked through the cooperation of the locking rod and the locking groove, thereby ensuring the smooth sliding of the adjusting sleeve. At the same time, the adjusting sleeve can be conveniently locked after the height is adjusted, which is stable and practical.

[0012] (3) The utility model provides a bottom slider on the bottom surface of the rotating platform and an annular slide rail on the welding platform, thereby ensuring the smoothness of the rotating platform and the stability during rotation.

[0013] (4) The utility model sets an adjustment slot on the rotating platform, and the adjustment slider drives the adjustment base to slide horizontally by cooperating with the adjustment slot, and presses the cylinder body by the continuous force of the fourth reset spring. The height of the adjustment base is adjusted by cooperating with the adjustment screw and the adjustment screw hole on the rotating block, so that it is suitable for welding positions of various heights and has good adjustability and applicability.

[0014] (5) The utility model reduces the hard pressure and friction between the pressure rod and the cylinder body by arranging the pressure pad, and ensures that the pressure rod can be pressed stably on the cylinder body, which is efficient and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to make the content of the utility model easier to understand, the utility model is further described in detail according to specific embodiments and in conjunction with the accompanying drawings.

[0016] Figure 1 It is a front view of the overall structure of the welding mechanism for the hydraulic cylinder in the utility model;

[0017] Figure 2 It is a front view of the overall structure of the welding gun in the utility model;

[0018] Figure 3 It is a rear view of the overall structure of the welding gun in the utility model;

[0019] Figure 4 It is a cross-sectional view of the overall structure of the welding gun in the utility model;

[0020] Figure 5 It is a cross-sectional view of the overall structure of the mounting seat in the utility model;

[0021] Figure 6 It is a top cross-sectional view of the overall structure of the mounting seat in the utility model;

[0022] Figure 7 It is a front view of the overall structure of the positioning rod in the utility model;

[0023] Figure 8 It is a top sectional view of the overall structure of the adjusting sleeve in the utility model;

[0024] Fig. 9 It is a cross-sectional view of the overall structure of the rotating platform in the utility model. DETAILED DESCRIPTION

[0025] See Figures 1 to 9The utility model has a welding platform 1; the welding platform 1 is provided with a driving motor 11 and a rotating platform 2 for placing a cylinder body, the rotating platform 2 is rotatably arranged on the welding platform 1 under the drive of the driving motor 11, the welding platform 1 is provided with a welding assembly 3 for welding the cylinder body on the rotating platform 2, the welding assembly 3 includes a positioning rod 41 fixed on the welding platform 1, an adjusting sleeve 42 that is lifted and slidably arranged on the positioning rod 41, a mounting rod 43 fixed on the adjusting sleeve 42, a mounting seat 44 fixed on the mounting rod 43 and away from one end of the adjusting sleeve 42, and A welding gun 45 is mounted on a mounting seat 44, wherein the positioning rod 41 is vertically arranged with the welding platform 1, the adjusting sleeve 42 is coaxially arranged with the positioning rod 41 and fixed to the positioning rod 41 through a locking member, the mounting rod 43 is arranged parallel to the welding platform 1, a rotation groove 440 is provided on the mounting seat 44, a connecting block 46 is provided at the tail end of the welding gun 45, a rotating shaft 461 is provided at both ends of the connecting block 46, a rotating hole 441 corresponding to each rotating shaft 461 is provided in the rotating groove 440, and a plurality of connecting holes 463 distributed along the circumference of the axis of the rotating shaft 461 are provided on the connecting block 46, and each connecting hole 463 is provided along the circumference of the axis of the rotating shaft 461. 63 are provided with a first return spring 464, one end of the first return spring 464 is fixed to the bottom of the connecting hole 463, and the other end of the first return spring 464 is fixed with a positioning ball 465, a plurality of positioning holes 442 are provided in the rotating groove 440, and a positioning plug hole 462 corresponding to each connecting hole 463 is provided on the end surface of the connecting block 46 away from the positioning ball 465, and a positioning through groove 443 corresponding to each positioning plug hole 462 is provided on the rotating groove 440, and a limiting slide rod 445 is slidably provided in the positioning through groove 443, and both ends of the limiting slide rod 445 extend out of the positioning through groove 443 A second return spring 445 is also provided in the positioning groove 443, and the second return spring 445 is sleeved on the limiting slide bar 445. The two ends of the second return spring 445 are fixedly connected to the limiting slide bar 445 and the positioning groove 443 respectively. The welding gun 45 is adjusted in angle in the rotating groove 440 through the cooperation of each rotating shaft 461 and the rotating hole 441 on the connecting block 46, and the cooperation of the positioning ball 465 and the positioning hole 442. The second return spring 445 continuously applies force to the limiting slide bar 445, and the limiting slide bar 445 and the positioning socket 462 are plugged in and matched to perform positioning after the angle adjustment.

[0026] The positioning rod 41 is provided with guide grooves 411 arranged opposite to each other, and the extending direction of each guide groove 411 is arranged parallel to the axis of the positioning rod 41. The adjusting sleeve 42 is provided with guide wheels 421 corresponding to each guide groove 411. The positioning rod 41 is provided with a plurality of locking grooves 412 evenly arranged along the extending direction of the axis of the positioning rod 41. The adjusting sleeve 42 is provided with a mounting groove 423, and the extending direction of the mounting groove 423 is arranged perpendicular to the axis of the adjusting sleeve 42. A locking rod 424 is provided, both ends of which extend out of the mounting groove 423. A third return spring 422 is sleeved on the locking rod 424. Both ends of the third return spring 422 are fixedly connected to the locking rod 424 and the mounting groove 423 respectively. The adjusting sleeve 42 slides on the positioning rod 41 through the cooperation between each guide wheel 421 and the guide groove 411, and is fixed to the positioning rod 41 through the continuous force applied by the third return spring 422 to the locking rod 424, and the plug-in cooperation between the locking rod 424 and any locking groove 412.

[0027] The output end of the driving motor 11 is fixed to the bottom surface of the rotating platform 2. The welding platform 1 is provided with an annular slide rail 12. The bottom of the rotating platform 2 is provided with a plurality of bottom sliders 21 corresponding to the annular slide rail 12. The rotating platform 2 is set on the welding platform 1 through the drive of the driving motor 11 and the coordinated rotation of the annular slide rail 12 and the bottom slider 21.

[0028] The rotating platform 2 is provided with a plurality of adjustment grooves 22 distributed along the circumference of the axis of the rotating platform 2. The extension direction of each adjustment groove 22 is perpendicular to and intersects with the axis of the rotating platform 2. An adjustment slider 23 is slidably provided in each adjustment groove 22. An adjustment slide hole 25 having the same extension direction as the adjustment groove 22 is provided on the end surface of each adjustment groove 22 away from the axis of the rotating platform 2. An adjustment slide rod 26 corresponding to the adjustment slide hole 25 is provided on the adjustment slide rod 23. A fourth reset spring 27 is provided on the adjustment slide rod 26. The two ends of the fourth reset spring 27 are fixedly connected to the adjustment slide rod 26 and the adjustment slide hole 25, respectively. Next, the adjusting slider 23 is provided with an adjusting base 3, and each adjusting base 3 is rotatably provided with a pressing rod 32 which is in a right angle and can press the hydraulic cylinder. The bottom surface of the adjusting base 3 is provided with a rotating block 31, and the rotating block 31 is rotatably connected to the adjusting base 3. An adjusting screw 34 is provided on the rotating block 31, and the axis of the adjusting screw 34 is arranged parallel to the axis of the rotating platform 2. An adjusting screw hole 24 is provided on the adjusting slider 23, and the pressing rod 32 on the adjusting base 3 is lifted and lowered on the adjusting slider 23 through the threaded cooperation of the adjusting screw 34 on the rotating block 31 and the adjusting screw hole 24.

[0029] Each of the pressure rods 32 is provided with a pressure pad 33 .

[0030] Working principle of the utility model: during the use of the utility model, the cylinder body of the hydraulic cylinder is installed on the rotating platform 2, and each adjusting base 3 is adjusted in height according to the actual need of welding the cylinder body through the threaded cooperation of the adjusting screw 34 and the adjusting screw hole 24 on the rotating block 31, and after the adjustment is completed, the pressure pad 33 on each pressure rod 32 is pressed against the cylinder body through the continuous force of the fourth reset spring 27 on the adjusting slide bar 26, the sliding cooperation of the adjusting slide bar 26 and the adjusting slide hole 25, and the cooperation of the adjusting slide block 23 and the adjusting groove 22, and then the height of the welding gun 45 and the welding angle of the welding gun 45 are adjusted according to the actual position of welding on the cylinder body, and in the process of adjustment, the locking rod 424 is pulled out first, and the adjusting sleeve is adjusted in height in the vertical direction through the cooperation of each guide wheel 421 and the guide groove 411, and then the locking rod 424 is in the third reset spring Under the continuous force of the spring 422, the spring 422 enters any locking groove 412 to fix the adjusting sleeve. When adjusting the angle of the welding gun 45, the limiting slide bar 445 is first pulled out, and then the welding angle of the welding gun 45 is rotated. During the rotation of the welding gun 45, each positioning ball 465 slides into the corresponding positioning hole 442 for preliminary positioning after adjustment. Then the limiting slide bar 445 is lowered under the action of the second return spring 445 to fix the welding gun 45. After the welding gun 45 is fixed, the rotating platform 2 drives the cylinder body to rotate through the drive of the driving motor 11 and the cooperation of each bottom slider 21 and the annular slide rail 12. The welding gun 45 performs ring welding on the cylinder body during the rotation of the cylinder body, which effectively solves the problem that the welding gun 45 cannot be adjusted in the prior art. It can be quickly adjusted by rotating the welding gun 45, and the positioning of the welding gun 45 after adjustment is cleverly structured, efficient and convenient.

[0031] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A welding mechanism for a hydraulic cylinder, having a welding platform; characterized in that: The welding platform is provided with a driving motor and a rotating platform for placing the cylinder body, the rotating platform is rotatably arranged on the welding platform under the drive of the driving motor, the welding platform is provided with a welding assembly that can weld the cylinder body on the rotating platform, the welding assembly includes a positioning rod fixed on the welding platform, an adjusting sleeve that is lifted and slidably arranged on the positioning rod, a mounting rod fixed on the adjusting sleeve, a mounting seat fixed on the mounting rod away from one end of the adjusting sleeve, and a welding gun mounted on the mounting seat, the positioning rod is vertically arranged with the welding platform, the adjusting sleeve is coaxially arranged with the positioning rod and fixed on the positioning rod through a locking member, the mounting rod is parallel to the welding platform, a rotating groove is provided on the mounting seat, a connecting block is provided at the tail end of the welding gun, rotating shafts are provided at both ends of the connecting block, rotating holes corresponding to each rotating shaft are provided in the rotating groove, and a plurality of connecting holes distributed along the circumference of the axis of the rotating shaft are provided on the connecting block The cam is provided with a plurality of positioning holes, and the end surface of the positioning hole is provided with a positioning hole corresponding to each connecting hole. The rotating groove is provided with a positioning through slot corresponding to each connecting hole. A limiting slide bar is slidably provided in the positioning through slot, and both ends of the limiting slide bar extend out of the positioning through slot. A second returning spring is also provided in the positioning through slot, and the second returning spring is sleeved on the limiting slide bar, and the two ends of the second returning spring are respectively fixedly connected with the limiting slide bar and the positioning through slot. The welding gun is adjusted in angle in the rotating groove through the cooperation of each rotating shaft and the rotating hole on the connecting block, and the cooperation of the positioning ball and the positioning hole, and the positioning after the angle adjustment is performed through the continuous force applied by the second returning spring to the limiting slide bar and the plug-in cooperation of the limiting slide bar and the positioning hole.

2. The welding mechanism for a hydraulic cylinder according to claim 1, characterized in that: The positioning rod is provided with guide grooves which are arranged opposite to each other, and the extension direction of each guide groove is arranged parallel to the axis of the positioning rod. The adjusting sleeve is provided with guide wheels corresponding to each guide groove. The positioning rod is provided with a plurality of locking grooves which are evenly arranged along the extension direction of the axis of the positioning rod. The adjusting sleeve is provided with a mounting groove, and the extension direction of the mounting groove is arranged perpendicular to the axis of the adjusting sleeve. A locking rod is slidably arranged in the mounting groove, and both ends of the locking rod extend out of the mounting groove. A third return spring is sleeved on the locking rod, and both ends of the third return spring are fixedly connected to the locking rod and the mounting groove respectively. The adjusting sleeve slides on the positioning rod through the cooperation of each guide wheel and the guide groove, and is fixed to the positioning rod through the continuous force applied to the locking rod by the third return spring, and the plug-in cooperation between the locking rod and any locking groove.

3. The welding mechanism for hydraulic cylinder according to claim 2, characterized in that: The output end of the driving motor is fixed to the bottom surface of the rotating platform, an annular slide rail is provided on the welding platform, and a plurality of bottom sliders corresponding to the annular slide rail are provided at the bottom of the rotating platform. The rotating platform is set on the welding platform through the drive of the driving motor and the coordinated rotation of the annular slide rail and the bottom slider.

4. The welding mechanism for the hydraulic cylinder according to claim 3, characterized in that: The cam is provided with a plurality of adjusting grooves distributed along the circumference of the axis of the rotating platform, each adjusting groove extending in a direction perpendicular to and intersecting the axis of the rotating platform, each adjusting block is slidably provided with an adjusting slide block, and an end face of each adjusting groove away from the axis of the rotating platform is provided with an adjusting slide hole which is the same as the extending direction of the adjusting groove, the adjusting slide block is provided with an adjusting slide rod corresponding to the adjusting slide hole, the adjusting slide rod is provided with a fourth return spring, and the fourth return spring is respectively fixedly connected to the adjusting slide rod and the adjusting slide hole, the adjusting slide block is provided with an adjusting base, and each adjusting base is rotatably provided with a pressure rod which is at a right angle and can press the hydraulic cylinder against the hydraulic cylinder, the bottom surface of the adjusting base is provided with a rotating block, the rotating block is rotatably connected to the adjusting base, the rotating block is provided with an adjusting screw, the axis of the adjusting screw is arranged parallel to the axis of the rotating platform, the adjusting slide block is provided with an adjusting screw hole, and the pressure rod on the adjusting base is lifted and lowered on the adjusting slide block through the threaded cooperation of the adjusting screw on the rotating block and the adjusting screw hole.

5. The welding mechanism for the hydraulic cylinder according to claim 4, characterized in that: Each pressure rod is provided with a pressure pad.

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