A rapid centering tooling for the tail of the outer cylinder of a hydraulic cylinder

Abstract

The present invention provides a quick centering tooling for the tail of the outer cylinder of a hydraulic cylinder, comprising: a frame; a centering support mechanism, the outer cylinder is sleeved outside the centering support mechanism, the upper end of the outer cylinder is the tail, and the centering support mechanism includes a support cylinder assembly arranged in the frame along the vertical direction and used for supporting the outer cylinder, a clamping assembly arranged at the top of the support cylinder assembly and used for fixing the outer cylinder, and a tightening and rotating assembly rotatably sleeved outside the support cylinder assembly and pressing against the inner side wall of the outer cylinder; a marking mechanism, including a drilling assembly arranged above the frame and used for drilling and marking the tail of the outer cylinder, a lifting assembly arranged above the frame and used for driving the drilling assembly to move in the vertical direction, and a sliding assembly arranged at the top of the frame and used for driving the lifting assembly to move in the horizontal direction. The present invention marks the tail of the outer cylinder before rotation twice through the marking mechanism, and according to the coincidence degree of the two marks, it can be quickly known whether the center position of the tail of the outer cylinder is accurately found, which saves time and effort and has high work efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of centering equipment for the tail of the outer cylinder of a hydraulic cylinder, and particularly relates to a rapid centering tooling for the tail of the outer cylinder of a hydraulic cylinder. Background Art

[0002] A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or oscillating motion). It has a simple structure and reliable operation. When using it to achieve reciprocating motion, a speed reduction device can be omitted, and there is no transmission gap, so the motion is stable. Therefore, it is widely used in the hydraulic systems of various machines. The outer cylinder of the hydraulic cylinder is a cylinder body with its tail end closed by a head. When processing it, it is necessary to center the tail of the outer cylinder of the hydraulic cylinder, and the center position found here should be on the extension line of the central axis of the outer cylinder. The existing method for centering the tail of the outer cylinder of a hydraulic cylinder is to find the center position by detection, which is time-consuming and has low work efficiency. Therefore, it is necessary to provide a rapid centering tooling for the tail of the outer cylinder of a hydraulic cylinder to solve the above existing problems. Summary of the Invention

[0003] In view of this, the present invention provides a rapid centering tooling for the tail of the outer cylinder of a hydraulic cylinder to solve the problems in the background art.

[0004] To solve the above technical problems, the present invention provides a rapid centering tooling for the tail of the outer cylinder of a hydraulic cylinder, including:

[0005] A frame;

[0006] A centering support mechanism, the centering support mechanism is arranged in the frame along the vertical direction, the outer cylinder is sleeved outside the centering support mechanism, the upper end of the outer cylinder is the tail, and the centering support mechanism includes a support cylinder assembly arranged in the frame along the vertical direction and used for supporting the outer cylinder, a clamping assembly arranged at the top of the support cylinder assembly and used for fixing the outer cylinder, and a top pressing and rotating assembly rotatably sleeved outside the support cylinder assembly and pressing against the inner side wall of the outer cylinder;

[0007] A marking mechanism, the marking mechanism is arranged at the top of the frame, and the marking mechanism includes a drilling assembly arranged above the frame and used for drilling and marking the tail of the outer cylinder, a lifting assembly arranged above the frame and used for driving the drilling assembly to move vertically, and a sliding assembly arranged at the top of the frame and used for driving the lifting assembly to move horizontally.

[0008] Further, the support cylinder assembly includes a support cylinder body arranged in the frame along the vertical direction and a positioning plate fixedly connected to the bottom of the support cylinder body and detachably connected to the frame.

[0009] Further, the clamping assembly includes an electric chuck detachably arranged at the top of the support cylinder body, a rotating shaft rotatably arranged in the support cylinder body in the vertical direction and drivingly connected to the electric chuck, and a clamping driving motor arranged at the bottom of the positioning plate and used for driving the rotating shaft to rotate around its central axis.

[0010] Further, the pressing and rotating assembly includes a stop ring fixedly sleeved outside the support cylinder body, a thrust bearing sleeved outside the support cylinder body and fixedly connected to the top of the stop ring, a tapered sleeve movably sleeved outside the support cylinder body and fixedly connected to the top of the thrust bearing, and a center point sleeved on the outer circumferential side wall of the tapered sleeve.

[0011] Further, the sliding assembly includes two slide rails arranged in parallel on the top of the frame, sliders slidably arranged on the slide rails, a slide plate arranged on the top of the sliders, and a cylinder arranged on the top of the frame and used for driving the slide plate to slide along the length direction of the slide rails.

[0012] Further, a baffle for stopping the slide plate is arranged on the slide rail.

[0013] Further, the lifting assembly includes a fixed vertical plate arranged on the top of the slide plate in the vertical direction, a fixed horizontal plate arranged on the fixed vertical plate in the horizontal direction, two limiting slide rods arranged in parallel on the same side wall of the fixed vertical plate and arranged in the vertical direction, a sliding sleeve slidably sleeved on the limiting slide rods, a lifting vertical plate fixedly connected to the sliding sleeve, a threaded rod rotatably arranged on the fixed vertical plate and arranged in the vertical direction, a threaded sleeve threadedly sleeved on the threaded rod and fixedly connected to the lifting vertical plate, and a lifting driving motor arranged on the fixed horizontal plate and used for driving the threaded rod to rotate around its central axis.

[0014] Further, a lifting horizontal plate is arranged on the lifting vertical plate in the horizontal direction, the drilling assembly includes a drilling driving motor arranged on the lifting horizontal plate, the output shaft of the drilling driving motor faces vertically downward, and a drill bit is arranged at the bottom of the output shaft of the drilling driving motor.

[0015] Further, the frame includes a fixing plate arranged in the horizontal direction, a mounting plate arranged above the fixing plate in the horizontal direction, a plurality of support plates uniformly arranged between the fixing plate and the mounting plate, a machine body frame arranged on the top of the mounting plate in the vertical direction, and a top platform arranged on the top of the machine body frame in the horizontal direction;

[0016] The positioning plate is detachably arranged on the top of the mounting plate, and the clamping driving motor is located between the mounting plate and the fixing plate.

[0017] Further, the frame further includes a ladder, and the ladder is connected to the machine body frame.

[0018] The above technical solutions of the present invention at least include the following beneficial effects:

[0019] 1. The structure of the present invention is simple and easy to use. The outer cylinder is sleeved outside the support cylinder body. The electric chuck fixes the outer cylinder from the inside of the outer cylinder. The marking mechanism makes a primary mark on the tail of the outer cylinder. Then, the electric chuck releases the outer cylinder, and the jacking and rotating assembly supports the outer cylinder. Manually rotate the outer cylinder. After the outer cylinder stops, the marking mechanism makes a secondary mark on the tail of the outer cylinder. By observing the coincidence degree of the traces of the primary mark and the secondary mark on the tail of the outer cylinder, it can be quickly known whether the center position of the tail of the outer cylinder is accurately found, which saves time and effort and has high work efficiency.

[0020] 2. The support cylinder body is arranged vertically. The tail of the outer cylinder faces upward and is directly sleeved outside the support cylinder body, which is convenient for installation and can quickly make the inner circle central axis of the outer cylinder arranged vertically, so that the center point of the tail of the outer cylinder is located on the central axis of the support cylinder body, which is convenient for quickly finding the center position of the tail of the outer cylinder.

[0021] 3. The jacking and rotating assembly includes a stop ring fixedly sleeved outside the support cylinder body, a thrust bearing sleeved outside the support cylinder body and fixedly connected to the top of the stop ring, a tapered sleeve movably sleeved outside the support cylinder body and fixedly connected to the top of the thrust bearing, and a center point sleeved on the outer circumferential side wall of the tapered sleeve. The center point presses against the inner side wall of the outer cylinder to stably and reliably support the outer cylinder, and the thrust bearing ensures smooth rotation of the outer cylinder.

[0022] 4. The marking mechanism includes a sliding assembly, a lifting assembly and a drilling assembly. The sliding assembly ensures smooth movement of the marking mechanism and avoids blocking the loading and unloading of the outer cylinder. The lifting assembly ensures that the working position height of the drilling assembly is adjustable. The drilling assembly makes an effective mark on the tail of the outer cylinder, and the process is coherent and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic structural diagram of a quick centering tool for the tail of the outer cylinder of a hydraulic cylinder in an embodiment of the present invention;

[0024] Figure 2 is Figure 1 a left view;

[0025] Figure 3 is a schematic structural diagram of a centering support mechanism in an embodiment of the present invention;

[0026] Figure 4 is Figure 3 a longitudinal sectional structural diagram;

[0027] Figure 5 is Figure 1 an enlarged structural diagram of part A in

[0028] In the figure:

[0029] 100, Frame; 101, Fixed Plate; 102, Support Plate; 103, Mounting Plate; 104, Body Frame; 105, Top Platform; 106, Anchor Bolt; 107, Ladder

[0030] 200, Centering Support Mechanism;

[0031] 210, Support Cylinder Assembly; 211, Support Cylinder Body; 212, Positioning Plate

[0032] 220, Clamping Assembly; 221, Electric Chuck; 222, Rotating Shaft; 223, Clamping Driving Motor

[0033] 230, Tightening Rotating Assembly; 231, Stop Ring; 232, Thrust Bearing; 233, Taper Sleeve; 234, Center Point

[0034] 300, Outer Cylinder;

[0035] 400, Marking Mechanism;

[0036] 410, Sliding Assembly; 411, Slide Rail; 412, Slide Block; 413, Cylinder; 414, Slide Plate; 415, Baffle

[0037] 420, Lifting Assembly; 421, Fixed Vertical Plate; 422, Fixed Horizontal Plate; 423, Lifting Driving Motor; 424, Limit Slide Rod; 425, Slide Sleeve; 426, Lifting Vertical Plate; 427, Threaded Sleeve; 428, Threaded Rod; 429, Lifting Horizontal Plate

[0038] 430, Drilling Assembly; 431, Drilling Driving Motor; 432, Drill Bit Detailed Implementation Manner

[0039] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the following will, in conjunction with the accompanying drawings of the embodiments of the present invention, clearly and completely describe the technical solutions of the embodiments of the present invention. Obviously, the described embodiments are some but not all of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present invention fall within the scope of protection of the present invention. Figures 1-5 A rapid centering tool for the tail of the outer cylinder of a hydraulic cylinder, comprising:

[0040] Frame 100;

[0041]

[0042] ​A centering support mechanism 200, wherein the centering support mechanism 200 is vertically arranged in the frame 100, the outer cylinder 300 is sleeved on the outside of the centering support mechanism 200, the upper end of the outer cylinder 300 is the tail, and the centering support mechanism 200 includes a support cylinder assembly 210 vertically arranged in the frame 100 and used to support the outer cylinder 300, a clamping assembly 220 arranged on the top of the support cylinder assembly 210 and used to fix the outer cylinder 300, and a tightening rotating assembly 230 rotatably sleeved on the outside of the support cylinder assembly 210 and tightening the inner wall of the outer cylinder 300;

[0043] The marking mechanism 400 is arranged on the top of the frame 100, and the marking mechanism 400 includes a drilling assembly 430 arranged above the frame 100 and used for drilling and marking the tail of the external cylinder 300, a lifting assembly 420 arranged above the frame 100 and used for driving the drilling assembly 430 to move in a vertical direction, and a sliding assembly 410 arranged on the top of the frame 100 and used for driving the lifting assembly 420 to move in a horizontal direction.

[0044] Specifically, if Figures 1-5 As shown, a hydraulic cylinder outer cylinder tail quick centering tool comprises:

[0045] The rack 100 includes a fixing plate 101 installed in a horizontal direction, a mounting plate 103 installed above the fixing plate 101 in a horizontal direction, a plurality of supporting plates 102 evenly installed between the fixing plate 101 and the mounting plate 103, a machine frame 104 installed on the top of the mounting plate 103 in a vertical direction, and a top platform 105 installed on the top of the machine frame 104 in a horizontal direction. Anchor rods 106 are embedded on the workshop floor. The fixing plate 101 is fixed by the anchor rods 106 and nuts threadedly connected to the anchor rods 106. The fixing plate 101 is firmly fixed to avoid tipping during use. The rack 100 also includes a ladder 107, which is connected to the machine frame 104 for easy maintenance by the staff.

[0046] Centering support mechanism 200, the centering support mechanism 200 is installed vertically inside the frame 100. The outer cylinder 300 is sleeved outside the centering support mechanism 200. The upper end of the outer cylinder 300 is the tail. The centering support mechanism 200 includes a support cylinder assembly 210 installed vertically on the top of the fixed plate 101 and used to support the outer cylinder 300, a clamping assembly 220 installed on the top of the support cylinder assembly 210 and used to fix the outer cylinder 300, and a tightening and rotating assembly 230 rotatably sleeved outside the support cylinder assembly 210 and pressing against the inner wall of the outer cylinder 300. The outer cylinder 300 is directly sleeved outside the support cylinder assembly 210, which is convenient for positioning and operation. The clamping assembly 220 fixes the outer cylinder 300 from the inner top of the outer cylinder 300, and the tightening and rotating assembly 230 positions and supports the outer cylinder 300 from the lower inner part of the outer cylinder 300, so that the outer cylinder 300 sleeved on the support cylinder assembly 210 is fixed firmly and reliably.

[0047] Marking mechanism 400, the marking mechanism 400 is installed on the top of the top platform 105. The marking mechanism 400 includes a drilling assembly 430 located above the top platform 105 and used to drill and mark the tail of the outer cylinder 300, a lifting assembly 420 located above the top platform 105 and used to drive the drilling assembly 430 to move vertically, and a sliding assembly 410 installed on the top of the top platform 105 and used to drive the lifting assembly 420 to move horizontally. The marking mechanism 400 can directly drill and mark the tail of the outer cylinder 300. Of course, the drilling here does not limit the aperture and depth of the hole, as long as a mark is left on the tail of the outer cylinder 300, the purpose is achieved. After one marking, the clamping assembly 220 releases the fixation of the inner top of the outer cylinder 300, and the tightening and rotating assembly 230 supports the outer cylinder 300. Manually rotate the outer cylinder 300. After the outer cylinder 300 stops, the marking mechanism 400 performs a secondary marking on the tail of the outer cylinder 300. By observing the coincidence degree of the marks of the first marking and the second marking on the tail of the outer cylinder 300, it can be quickly known whether the center position of the tail of the outer cylinder 300 is accurately found (if the marks of the first marking and the second marking completely coincide, then the position of this mark is the center of the tail of the outer cylinder 300), which saves time and effort and has high work efficiency.

[0048] According to an embodiment of the present invention, as Figures 1-4 shown, the support cylinder assembly 210 includes a support cylinder body 211 installed vertically inside the body frame 104 and a positioning plate 212 fixedly welded to the bottom of the support cylinder body 211. The positioning plate 212 is connected to the mounting plate 103 through a plurality of bolts, which is convenient for disassembly and assembly.

[0049] The clamping assembly 220 includes an electric chuck 221 detachably mounted on the top of the support cylinder body 211 through an internal hexagonal bolt, a rotating shaft 222 rotatably mounted vertically inside the support cylinder body 211 and drivingly connected to the electric chuck 221, and a clamping drive motor 223 mounted at the bottom of the positioning plate 212 and used to drive the rotating shaft 222 to rotate about its central axis. The central axis of the rotating shaft 222 coincides with the central axis of the support cylinder body 211. The clamping drive motor 223 is located between the mounting plate 103 and the fixing plate 101. The output shaft of the clamping drive motor 223 vertically faces upward and movably penetrates through the mounting plate 103. The top of the output shaft of the clamping drive motor 223 is connected to the bottom of the rotating shaft 222 through a coupling. The electric chuck 221 is a prior art, and its model is selected as K11-200. When the clamping drive motor 223 works, it drives the rotating shaft 222 to rotate about its central axis, thereby driving the three jaws of the K11-200 electric chuck 221 to expand outward to tightly hold the outer cylinder 300 or retract inward to release the outer cylinder 300, with stable and reliable operation.

[0050] The pressing and rotating assembly 230 is located at a position slightly below the middle of the support cylinder body 211. When the clamping assembly 220 releases the outer cylinder 300, it can better stably support the outer cylinder 300. The pressing and rotating assembly 230 includes a stop ring 231 fixedly sleeved on the outside of the support cylinder body 211, a thrust bearing 232 sleeved on the outside of the support cylinder body 211 and fixedly connected to the top of the stop ring 231, a tapered sleeve 233 movably sleeved on the outside of the support cylinder body 211 and fixedly connected to the top of the thrust bearing 232, and a center point 234 fixedly sleeved on the outer circumferential side wall of the tapered sleeve 233 and used to press against the inner side wall of the outer cylinder 300. After the outer cylinder 300 is sleeved on the outside of the support cylinder body 211, the outer side wall of the center point 234 presses against the inner side wall of the outer cylinder 300, achieving the effect of stably supporting the outer cylinder 300. When the outer cylinder 300 needs to be rotated, it only needs to ensure that the clamping assembly 220 does not clamp the outer cylinder 300, and then the operator manually rotates the outer cylinder 300 from the outside of the outer cylinder 300. Due to the existence of the thrust bearing 232, the outer cylinder 300, the tapered sleeve 233, and the center point 234 will rotate together, with smooth rotation and labor-saving operation.

[0051] According to another embodiment of the present invention, as Figure 1 and Figure 5As shown, the sliding assembly 410 includes two slide rails 411 that are parallelly installed on the top of the top platform 105. Two sliders 412 are slidably sleeved on each slide rail 411. A skateboard 414 is welded to the tops of the four sliders 412. Two cylinders 413 for driving the skateboard 414 to slide along the length direction of the slide rail 411 are also installed on the top of the top platform 105. The two cylinders 413 are parallel to the two slide rails 411. The ends of the telescopic rods of the two cylinders 413 are connected to the same side sidewall of the skateboard 414. When the two cylinders 413 work, the telescopic rods extend and retract, thereby pulling the skateboard 414 to slide along the length direction of the slide rail 411. The lifting assembly 420 is installed on the top of the guard plate, and the drilling assembly 430 is connected to the lifting assembly 420. Driving the skateboard 414 to slide by the two cylinders 413 can achieve the purpose of driving the lifting assembly 420 and the drilling assembly 430 to slide, so that the drilling assembly 430 can be driven to the working position directly above the tail of the outer cylinder 300. A baffle 415 for stopping the skateboard 414 is installed on the slide rail 411. When the drilling assembly 430 comes directly above the tail of the outer cylinder 300, the cylinder 413 stops working, and the baffle 415 just touches the skateboard 414, further playing a role in stopping the skateboard 414. The presence of the baffle 415 can achieve the purpose of rigidly limiting the skateboard 414 and the drilling assembly 430, effectively preventing the drilling assembly 430 from stopping at the wrong working position and ensuring the smooth progress of subsequent work.

[0052] The lifting assembly 420 includes a fixed vertical plate 421 installed at the top of the sliding plate 414 along the vertical direction, a fixed horizontal plate 422 welded to the fixed vertical plate 421 along the horizontal direction, two limiting slide rods 424 installed in parallel on the same side wall of the fixed vertical plate 421 and arranged along the vertical direction, a sliding sleeve 425 slidably sleeved on the limiting slide rods 424, a lifting vertical plate 426 fixedly connected to the sliding sleeve 425, a threaded rod 428 rotatably installed on the fixed vertical plate 421 and arranged along the vertical direction, a threaded sleeve 427 threadedly sleeved on the threaded rod 428 and fixedly connected to the lifting vertical plate 426, and a lifting drive motor 423 installed on the fixed horizontal plate 422 and used to drive the threaded rod 428 to rotate around its central axis. The outer surfaces of the upper and lower ends of the threaded rod 428 are smooth, and the upper and lower ends of the threaded rod 428 are rotatably connected to the fixed vertical plate 421 through bearing seats and bearings, ensuring that the threaded rod 428 rotates smoothly around its central axis. The lifting drive motor 423 is installed on the top of the fixed horizontal plate 422, and the output shaft of the lifting drive motor 423 vertically penetrates the fixed horizontal plate 422 downward. The bottom of the output shaft of the lifting drive motor 423 is connected to the top of the threaded rod 428 through a coupling. When the lifting drive motor 423 works, it can drive the threaded rod 428 to rotate around its central axis, and the drive is stable and reliable. When the threaded rod 428 rotates, since the threaded sleeve 427 is threadedly connected to the threaded rod 428, and the threaded sleeve is fixedly connected to the lifting vertical plate 426, and the sliding sleeve 425 fixedly connected to the lifting vertical plate 426 is slidably sleeved on the limiting slide rods 424, the threaded sleeve 427 and the lifting vertical plate 426 cannot rotate with the threaded rod 428, and the lifting vertical plate 426 slides on the limiting slide rods 424 together with the sliding sleeve 425. A lifting horizontal plate 429 is welded to the lifting vertical plate 426 along the horizontal direction, and the drilling assembly 430 is installed on the lifting horizontal plate 429, thus achieving the purpose of driving the drilling assembly 430 to lift and lower in the vertical direction.

[0053] The drilling assembly 430 includes a drilling drive motor 431 installed on the lifting horizontal plate 429. The output shaft of the drilling drive motor 431 vertically penetrates the lifting horizontal plate 429 downward, and a drill bit 432 is installed at the bottom of the output shaft of the drilling drive motor 431. When the drilling drive motor 431 works, its output shaft drives the drill bit 432 to rotate, achieving the purpose of drilling and marking the tail of the outer cylinder 300, and the drive is stable and reliable.

[0054] The working method / working principle of the present invention:

[0055] S1. The outer cylinder 300 is sleeved on the support cylinder body 211 from top to bottom. The tail of the outer cylinder 300 is at the upper end. The center point 234 presses against the lower side position of the inner side wall of the outer cylinder 300 to stably support the outer cylinder 300. The clamping drive motor 223 operates, driving the rotating shaft 222 to rotate around its central axis, thereby driving the three jaws of the electric chuck 221 to expand outwards and press against the top of the inner side wall of the outer cylinder 300;

[0056] S2. Two cylinders 413 operate, and the telescopic rods extend and retract, pulling the slide plate 414 to slide along the length direction of the slide rail 411. The lifting assembly 420 and the drilling assembly 430 slide together with the slide plate 414. The slide plate 414 brings the drilling assembly 430 to the working position directly above the tail of the outer cylinder 300. The cylinders 413 stop operating, and the baffle 415 just touches the slide plate 414, further stopping the slide plate 414. The presence of the baffle 415 can rigidly limit the slide plate 414 and the drilling assembly 430, effectively preventing the drilling assembly 430 from stopping at the wrong working position and ensuring the smooth progress of subsequent work;

[0057] S3. The lifting drive motor 423 operates, driving the threaded rod 428 to rotate around its central axis. The drive is stable and reliable. As the threaded rod 428 rotates, since the threaded sleeve 427 is threadedly connected to the threaded rod 428, and the threaded sleeve is fixedly connected to the lifting vertical plate 426, and the sliding sleeve 425 fixedly connected to the lifting vertical plate 426 is slidably sleeved on the limit slide rod 424, the threaded sleeve 427 and the lifting vertical plate 426 cannot rotate together with the threaded rod 428. The lifting vertical plate 426 slides downwards along the vertical direction on the limit slide rod 424 together with the sliding sleeve 425. The lifting horizontal plate 429 descends together with the lifting vertical plate 426, and the drilling assembly 430 descends together with the lifting horizontal plate 429. At the same time, the drilling drive motor 431 operates, and its output shaft drives the drill bit 432 to rotate, making the first drilling mark on the tail of the outer cylinder 300;

[0058] S4. After the first marking is completed, the drilling drive motor 431 stops operating. The lifting drive motor 423 drives the threaded rod 428 to rotate in the reverse direction. The lifting horizontal plate 429 rises, and the drill bit 432 moves away from the tail of the outer cylinder 300. The clamping drive motor 223 drives the rotating shaft 222 to rotate in the reverse direction, and the three jaws of the electric chuck 221 retract, loosening the inner side wall of the outer cylinder 300. The operator manually rotates the outer cylinder 300 180° from the outside of the outer cylinder 300. Due to the presence of the thrust bearing 232, the outer cylinder 300, the tapered sleeve 233, and the center point 234 will rotate together, with smooth rotation and labor-saving operation;

[0059] S5. After the outer cylinder 300 comes to rest, repeat S3 to make a second mark on the tail of the outer cylinder 300. According to the coincidence degree of the traces of the first mark and the second mark on the tail of the outer cylinder 300, it is possible to quickly determine whether the center position of the tail of the outer cylinder 300 is accurately found (if the traces of the first mark and the second mark completely coincide, the position of this trace is the center position of the tail of the outer cylinder 300), which saves time and effort and has high work efficiency.

[0060] In the present invention, unless otherwise clearly specified and defined, for example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0061] The above are the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art of this technology, without departing from the principle of the present invention, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A quick centering tool for the tail of the outer cylinder of a hydraulic cylinder, characterized in that, include: Rack(100); A centering support mechanism (200), wherein the centering support mechanism (200) is arranged in the frame (100) along the vertical direction, the outer cylinder (300) is sleeved on the outside of the centering support mechanism (200), the upper end of the outer cylinder (300) is a tail, and the centering support mechanism (200) comprises a support cylinder assembly (210) arranged in the frame (100) along the vertical direction and used to support the outer cylinder (300), a clamping assembly (220) arranged on the top of the support cylinder assembly (210) and used to fix the outer cylinder (300), and a tightening rotating assembly (230) rotatably sleeved on the outside of the support cylinder assembly (210) and tightened against the inner side wall of the outer cylinder (300); A marking mechanism (400), the marking mechanism (400) being arranged on the top of the frame (100), the marking mechanism (400) comprising a drilling assembly (430) arranged on the top of the frame (100) and used for drilling and marking the tail of the outer cylinder (300), a lifting assembly (420) arranged on the top of the frame (100) and used for driving the drilling assembly (430) to move in a vertical direction, and a sliding assembly (410) arranged on the top of the frame (100) and used for driving the lifting assembly (420) to move in a horizontal direction; The support cylinder assembly (210) comprises a support cylinder body (211) disposed in a vertical direction inside the frame (100), and a positioning plate (212) fixedly connected to the bottom of the support cylinder body (211) and detachably connected to the frame (100); The clamping assembly (220) comprises an electric chuck (221) detachably disposed on the top of the support cylinder body (211), a rotating shaft (222) disposed inside the support cylinder body (211) and rotatably connected to the electric chuck (221) in a vertical direction, and a clamping drive motor (223) disposed at the bottom of the positioning plate (212) and used for driving the rotating shaft (222) to rotate around its central axis. The tightening rotation assembly (230) comprises a stop ring (231) fixedly sleeved on the outside of the support tube body (211), a thrust bearing (232) sleeved on the outside of the support tube body (211) and fixedly connected to the top of the stop ring (231), a tapered sleeve (233) movably sleeved on the outside of the support tube body (211) and fixedly connected to the top of the thrust bearing (232), and a top (234) sleeved on the outer circumferential side wall of the tapered sleeve (233); The rack (100) further comprises a ladder (107), wherein the ladder (107) is connected to the machine body frame (104).

2. The quick centering tooling for the tail of the outer cylinder of the hydraulic cylinder according to claim 1, characterized in that, The sliding assembly (410) comprises two slide rails (411) arranged in parallel on the top of the frame (100), a slider (412) slidably arranged on the slide rails (411), a slide plate (414) arranged on the top of the slider (412), and a cylinder (413) arranged on the top of the frame (100) and used to drive the slide plate (414) to slide along the length direction of the slide rails (411).

3. The quick centering tooling for the tail of the outer cylinder of the hydraulic cylinder according to claim 2, characterized in that The slide rail (411) is provided with a baffle (415) for stopping the slide plate (414).

4. The quick centering tooling for the tail of the outer cylinder of the hydraulic cylinder according to claim 2, characterized in that The lifting assembly (420) includes a fixed vertical plate (421) arranged vertically on the top of the sliding plate (414), a fixed horizontal plate (422) arranged horizontally on the fixed vertical plate (421), two limit sliding rods (424) arranged vertically and parallel to the same side wall of the fixed vertical plate (421), a sliding sleeve (425) slidably sleeved on the limit sliding rods (424), a lifting vertical plate (426) fixedly connected to the sliding sleeve (425), a threaded rod (428) rotatably arranged on the fixed vertical plate (421) and arranged vertically, a threaded sleeve (427) threadedly sleeved on the threaded rod (428) and fixedly connected to the lifting vertical plate (426), and a lifting drive motor (423) arranged on the fixed horizontal plate (422) and used to drive the threaded rod (428) to rotate around its central axis.

5. The quick centering tooling for the tail of the outer cylinder of the hydraulic cylinder according to claim 4, characterized in that, A lifting horizontal plate (429) is arranged horizontally on the lifting vertical plate (426). The drilling assembly (430) includes a drilling drive motor (431) arranged on the lifting horizontal plate (429). The output shaft of the drilling drive motor (431) is vertically downward, and a drill bit (432) is arranged at the bottom of the output shaft of the drilling drive motor (431).

6. The quick centering tooling for the tail of the outer cylinder of the hydraulic cylinder according to claim 1, characterized in that, The frame (100) includes a fixed plate (101) arranged horizontally, a mounting plate (103) arranged horizontally above the fixed plate (101), a plurality of support plates (102) uniformly arranged between the fixed plate (101) and the mounting plate (103), a machine body frame (104) arranged vertically on the top of the mounting plate (103), and a top platform (105) arranged horizontally on the top of the machine body frame (104). The positioning plate (212) is detachably arranged on the top of the mounting plate (103), and the clamping drive motor (223) is located between the mounting plate (103) and the fixed plate (101).

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