Positioning and punching device for hydraulic oil cylinder

Abstract

The utility model relates to a positioning and punching device for a hydraulic oil cylinder, which is provided with a working platform and a rack, and a supporting platform is arranged on the working platform; a positioning assembly and a punching assembly are arranged on the machine frame, the positioning assembly comprises a driving motor, a moving plate, a positioning air cylinder and a positioning plate, a positioning arc face is arranged on the bottom face of the positioning plate, a plurality of positioning grooves are formed in the positioning arc face, a leaning-pressing assembly is arranged in each positioning groove, and each leaning-pressing assembly comprises an adjusting rod, a leaning-pressing plate and a reset spring. The two ends of each reset spring are fixedly connected with the bottom face of the corresponding adjusting rod and the bottom face of the corresponding positioning groove respectively, the pressing plates continuously apply force to the adjusting rods through the reset springs to press the outer walls of the hydraulic oil cylinders in an abutting mode, the punching assembly comprises a driving air cylinder, a punching motor and a punching drill bit, and the positioning plate is provided with a punching groove. And the punching drill bit is used for punching the outer wall of the positioned hydraulic oil cylinder through the driving of the punching motor and the driving of the driving air cylinder on the punching motor. The device is ingenious in structure, efficient and convenient.

Description

Technical Field

[0001] The utility model relates to the field of hydraulic cylinders, and particularly relates to a positioning and punching device for hydraulic cylinders. Background Art

[0002] A hydraulic cylinder is a key actuating element in a hydraulic system, responsible for converting hydraulic energy into mechanical energy to achieve linear or rotational motion. During the production or maintenance of a hydraulic cylinder, punching is an essential step, mainly used for installing various components of the cylinder, such as a piston rod, a cylinder head, a seal, etc. During the punching process, it is necessary to ensure that the position, size, and shape of the holes punched on the hydraulic cylinder are very precise to ensure the correct installation and sealing performance of the cylinder assembly.

[0003] In the prior art, since the surface of the hydraulic cylinder is a curved surface, when punching the hydraulic cylinder, the hydraulic cylinder will roll or the punching drill bit will slip when contacting the curved surface of the hydraulic cylinder, thereby affecting the punching efficiency and accuracy of the hydraulic cylinder, and affecting the subsequent use of the hydraulic cylinder, which is very inconvenient. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a positioning and punching device for a hydraulic cylinder, with a clever structure, which can achieve stable and firm positioning and pressing of the hydraulic cylinder, thereby ensuring the stability and accuracy of the punching drill bit during punching, and being efficient and convenient.

[0005] The technical solution for achieving the purpose of the present utility model is as follows: The present utility model has a working platform and a frame fixed on the working platform. A support platform for supporting a hydraulic cylinder is provided on the working platform. A positioning component for positioning the hydraulic cylinder on the support platform and a punching component for punching the hydraulic cylinder are provided on the frame. The positioning component includes a driving motor fixed on the frame, a moving plate slidably arranged on the frame driven by the driving motor, positioning cylinders oppositely arranged on the bottom surfaces of the respective moving plates, and positioning plates arranged vertically on the frame driven by the positioning cylinders. A positioning arc surface is provided on the bottom surface of the positioning plate. A plurality of positioning grooves are evenly distributed along the contour of the positioning arc surface on the positioning arc surface. A pressing component for pressing and positioning the outer wall of the hydraulic cylinder is provided in each positioning groove. The pressing component includes an adjusting rod slidably arranged in each positioning groove, a pressing plate rotatably connected to each adjusting rod, and a return spring sleeved on the adjusting rod. The two ends of the return spring are respectively fixedly connected to the adjusting rod and the bottom surface of the positioning groove. Each pressing plate presses against the outer wall of the hydraulic cylinder by continuously applying force to the adjusting rod through the return spring. The punching component includes a driving cylinder fixed on the moving plate and located between the respective positioning cylinders, a punching motor fixed on the telescopic end of the driving cylinder, and a punching drill bit installed on the output end of the punching motor. A punching groove for the punching drill bit to pass through is provided on the positioning plate. The punching drill bit punches the outer wall of the positioned hydraulic cylinder after passing through the punching groove by the driving of the punching motor and the driving of the driving cylinder on the punching motor.

[0006] Further, a positioning block for positioning the punching drill bit is fixedly provided on the punching motor. The positioning block is coaxially arranged with the punching groove. A through hole for the punching drill bit to pass through is provided on the positioning block. The positioning block extends into and slides in the punching groove by the driving of the driving cylinder on the punching motor.

[0007] Further, the positioning block is installed on the end face of the punching motor close to the positioning plate. Oppositely arranged limiting plates are provided on the positioning block. A buffer pad is provided on each limiting plate. The buffer pad is also installed on the end face of the limiting plate close to the positioning plate.

[0008] Further, oppositely arranged moving slide rails are provided on the frame. Oppositely arranged moving sliders corresponding to and cooperating with the respective moving slide rails are provided on the moving plate. The driving motor is fixed on the frame. A lead screw is fixedly provided at the output end of the driving motor. A driving block is provided on the moving plate. A threaded hole adapted to the lead screw is provided on the driving block. The moving plate is slidably arranged on the frame by the driving of the driving motor on the lead screw, the threaded cooperation between the lead screw and the threaded hole in the driving block, and the cooperation between the respective moving sliders and the moving slide rails.

[0009] Further, a pressing pad for preventing the pressed hydraulic cylinder from rolling is provided on each pressing plate.

[0010] Furthermore, support plates capable of supporting the bottom surface of the hydraulic cylinder are rotatably provided at both ends of the above-mentioned support platform. Support cylinders corresponding to the respective support plates are provided on the working platform. Adjusting sliders are rotatably provided at the telescopic ends of the respective support cylinders. Adjusting chutes adapted to the adjusting sliders are provided on the bottom surfaces of the respective support plates. The extending direction of the adjusting chute is perpendicular to the rotation axis of the support plate. Each support plate adjusts the support angle through the rotational connection with the support platform, the driving of the adjusting slider by the support cylinder, and the cooperation between the adjusting slider and the adjusting chute.

[0011] The utility model has positive effects: (1) The utility model supports the hydraulic cylinder by arranging a support platform on the working platform. By arranging a positioning component, the positioning plate presses against the hydraulic cylinder through the driving of the respective positioning cylinders, and various pressing components on the positioning arc surface are used to adapt to hydraulic cylinders with various different arc surfaces, and stably and firmly press against the outer wall of the hydraulic cylinder. After stably and firmly pressing against the outer wall of the hydraulic cylinder, the driving cylinder drives the drilling motor, and the drilling bit passes through the drilling groove on the positioning plate and then precisely and stably drills the outer wall of the stabilized hydraulic cylinder, effectively solving the problem in the prior art that due to the instability of the hydraulic cylinder during drilling, the drilling deviates and further affects the use of the hydraulic cylinder, thereby ensuring the accuracy and efficiency of drilling the hydraulic cylinder. The structure is ingenious, efficient and convenient.

[0012] (2) The utility model arranges a positioning block on the drilling motor and arranges a through hole on the positioning block for the drilling bit to pass through. Through the cooperation between the positioning block and the drilling groove, the stability of the drilling bit during drilling is ensured, and the deviation of the drilling bit during drilling is avoided, ensuring the stability and accuracy during drilling.

[0013] (3) The utility model arranges a limiting plate on the positioning plate to limit the drilling stroke of the drilling bit. At the same time, a buffer pad is arranged on the limiting plate, which can effectively prevent hard collision between the limiting plate and the positioning plate, and further ensure the safety of the drilling bit during the drilling process. It is highly efficient and practical.

[0014] (4) The utility model arranges a moving slide rail on the frame and arranges a moving slider on the moving plate, thereby ensuring the stability of the moving plate when moving on the frame. Through the driving of the lead screw by the driving motor, the stable and precise movement of the moving plate can be ensured, and further the accuracy of drilling is ensured. It is highly efficient and practical.

[0015] (5) The utility model arranges a pressing pad on each pressing plate. Through the pressing of each pressing pad against the outer wall of the hydraulic cylinder, the stability of the pressing plate against the outer wall of the hydraulic cylinder is further ensured, and a foundation is also laid for ensuring the accuracy of drilling.

[0016] (6) The utility model rotates each support plate on the support platform. The support angles of the support plates are adjusted through the drive of the support cylinders and the cooperation of the adjustment sliders and adjustment chutes, so as to be applicable to hydraulic cylinders with various outer diameters, having good applicability and adjustability, and further ensuring the stability of the support for the hydraulic cylinder, being efficient and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to make the content of the utility model easier to be clearly understood, the following further details the utility model according to specific embodiments in combination with the drawings, where

[0018] Figure 1 is the front view of the overall structure of the positioning and punching device for the hydraulic cylinder in the utility model;

[0019] Figure 2 is the cross-sectional view of the connection structure of the positioning component and the punching component in the utility model;

[0020] Figure 3 is Figure 2 the enlarged view of part A in

[0021] Figure 4 is the schematic diagram of the connection structure between the punching motor and the punching drill bit in the utility model;

[0022] Figure 5 is the cross-sectional view of the connection structure between the support cylinder and the layer board in the utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] See Figures 1 to 5, the utility model has a working platform 1 and a frame 2 fixed on the working platform 1. A support platform 11 for supporting a hydraulic cylinder is provided on the working platform 1; a positioning assembly 3 for positioning the hydraulic cylinder on the support platform 11 and a punching assembly 4 for punching the hydraulic cylinder are provided on the frame 2. The positioning assembly 3 includes a driving motor 31 fixed on the frame 2, a moving plate 32 slidably arranged on the frame 2 driven by the driving motor 31, positioning cylinders 33 oppositely arranged on the bottom surfaces of the respective moving plates 32, and positioning plates 34 arranged in a lifting manner on the frame 2 driven by the positioning cylinders 33. A positioning arc surface is provided on the bottom surface of the positioning plate 34, and a plurality of positioning grooves 36 are uniformly distributed along the contour of the positioning arc surface. A pressing component 5 for pressing and positioning the outer wall of the hydraulic cylinder is provided in each positioning groove 36. The pressing component 5 includes an adjusting rod 51 slidably arranged in each positioning groove 36, a pressing plate 53 rotatably connected to each adjusting rod 51, and a return spring 52 sleeved on the adjusting rod 51. The two ends of the return spring 52 are respectively fixedly connected to the adjusting rod 51 and the bottom surface of the positioning groove 36. Each pressing plate 53 presses the outer wall of the hydraulic cylinder by continuously applying force to the adjusting rod 51 through the return spring 52. The punching assembly 4 includes a driving cylinder 41 fixed on the moving plate 32 and located between the respective positioning cylinders 33, a punching motor 42 fixed on the telescopic end of the driving cylinder 41, and a punching drill 43 installed on the output end of the punching motor 42. A punching groove 35 for the punching drill 43 to pass through is provided on the positioning plate 34. The punching drill 43 punches the outer wall of the positioned hydraulic cylinder after passing through the punching groove 35 by the drive of the punching motor 42 and the drive of the driving cylinder 41 on the punching motor 42.

[0024] A positioning block 44 for positioning the punching drill 43 is fixedly provided on the punching motor 42. The positioning block 44 is coaxially arranged with the punching groove 35. A through hole for the punching drill 43 to pass through is provided on the positioning block 44. The positioning block 44 extends into and slides in the punching groove 35 by the drive of the driving cylinder 41 on the punching motor 42.

[0025] The positioning block 44 is installed on the end face of the punching motor 42 close to the positioning plate 34. Oppositely arranged limiting plates 45 are provided on the positioning block 44, and a buffer pad 46 is provided on each limiting plate 45. The buffer pad 46 is also installed on the end face of the limiting plate 45 close to the positioning plate 34.

[0026] The frame 2 is provided with oppositely arranged moving slide rails 21. The moving plate 32 is provided with oppositely arranged moving sliders 322 corresponding to and cooperating with the respective moving slide rails 21. The driving motor 31 is fixed on the frame 2, and a lead screw is fixedly arranged at the output end of the driving motor 31. The moving plate 32 is provided with a driving block 321, and the driving block 321 is provided with a threaded hole adapted to the lead screw. The moving plate 32 is slidably arranged on the frame 2 through the driving of the lead screw by the driving motor 31, the threaded fit between the lead screw and the threaded hole in the driving block 321, and the cooperation between the respective moving sliders 322 and the moving slide rails 21.

[0027] Each pressing plate 53 is provided with a pressing pad 54 that can prevent the hydraulic cylinder from rolling after being pressed.

[0028] Both ends of the support platform 11 are rotatably provided with support plates 13 that can support the bottom surface of the hydraulic cylinder. The working platform 1 is provided with support cylinders 12 corresponding to the respective support plates 13. The telescopic ends of the respective support cylinders 12 are rotatably provided with adjustment sliders 14. The bottom surfaces of the respective support plates 13 are provided with adjustment chutes 15 adapted to the adjustment sliders 14. The extending direction of the adjustment chute 15 is perpendicular to the rotation axis of the support plate 13. The respective support plates 13 adjust the support angle through the rotational connection with the support platform 11, the driving of the adjustment sliders 14 by the support cylinders 12, and the cooperation between the adjustment sliders 14 and the adjustment chutes 15.

[0029] Working principle of the utility model: During the use of the utility model, the support angles of each support plate 13 are adjusted according to the outer diameters of different hydraulic cylinders. During the adjustment process, each support plate 13 adjusts the angle through the drive of the support cylinder 12 on the adjustment slider 14 and the cooperation between the adjustment slider 14 and the adjustment chute 15. After the adjustment is completed, the hydraulic cylinder is placed between each support plate 13. The moving plate 32 drives the screw rod through the drive motor 31, the screw thread fit between the screw rod and the internal thread hole of the drive block 321, and the cooperation between each moving slider 322 and the moving slide rail 21 to move the drilling bit 43 to the drilling position of the hydraulic cylinder. Each positioning cylinder 33 drives the positioning arc surface on the positioning plate 34 to press against the outer wall of the hydraulic cylinder. During the pressing process, the pressing plate 53 and the pressing pad 54 on the pressing plate 53 adaptively adjust the outer wall of the hydraulic cylinder through the rotational connection with the adjusting rod 51 and the continuous force application of the return spring 52 in the positioning groove 36, so that each pressing plate 53 can be applicable to hydraulic cylinders with various different outer diameters, having good adjustability and applicability. After the outer wall of the hydraulic cylinder is pressed, the driving cylinder 41 drives the drilling motor 42, the drilling motor 42 drives the drilling bit 43, and the cooperation between the positioning block 44 on the drilling motor 42 and the drilling groove 35, as well as the setting of the limiting plate 45, ensure the stability of the drilling bit 43 during drilling, and at the same time can limit the drilling depth of the drilling bit 43. Each buffer pad 46 can prevent hard collision between the limiting plate 45 and the positioning plate 34, ensuring the accuracy and safety of drilling. After the hole at one end of the hydraulic cylinder is drilled, the positioning plate 34 and the drilling bit 43 are reset, and then they move to the other end of the hydraulic cylinder under the drive of the drive motor 31 and drill holes, effectively solving the problem in the prior art that the hydraulic cylinder cannot be positioned during drilling, which affects the drilling accuracy. Through positioning, the firmness of the hydraulic cylinder positioning is greatly improved, and at the same time, the drilling accuracy of the hydraulic cylinder is ensured, thereby ensuring the stability of the hydraulic cylinder during later use. The structure is ingenious, efficient and convenient.

[0030] In the specific embodiments described above, the purpose, technical solutions and beneficial effects of the utility model are further described in detail. It should be understood that the above description is only for the specific embodiments of the utility model and does not limit the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A positioning and punching device for a hydraulic cylinder, comprising a working platform and a frame fixed on the working platform, wherein the working platform is provided with a supporting platform for supporting the hydraulic cylinder; characterized in that: The frame is provided with a positioning component for positioning the hydraulic cylinder on the supporting platform and a punching component for punching holes in the hydraulic cylinder. The positioning component includes a driving motor fixed to the frame, a moving plate slidably arranged on the frame under the drive of the driving motor, a positioning cylinder relatively arranged on the bottom surface of each moving plate, and a positioning plate lifted and lowered on the frame under the drive of the positioning cylinder. The bottom surface of the positioning plate is provided with a positioning arc surface, and the positioning arc surface is provided with a plurality of positioning grooves evenly distributed along the contour of the positioning arc surface. A pressing component is provided in each positioning groove for pressing and positioning the outer wall of the hydraulic cylinder. The pressing component includes an adjusting rod slidably arranged in each positioning groove, A pressure plate rotatably connected to each adjusting rod and a return spring sleeved on the adjusting rod, the two ends of the return spring are respectively fixedly connected to the adjusting rod and the bottom surface of the positioning groove, and each pressure plate presses the outer wall of the hydraulic cylinder by the continuous force of the return spring on the adjusting rod. The punching assembly includes a driving cylinder fixed on the movable plate and located between each positioning cylinder, a punching motor fixed at the telescopic end of the driving cylinder, and a punching drill installed at the output end of the punching motor. The positioning plate is provided with a punching groove for the punching drill to pass through. The punching drill passes through the punching groove through the driving of the punching motor and the driving of the driving cylinder to the punching motor to punch holes in the outer wall of the positioned hydraulic cylinder.

2. The positioning and punching device for a hydraulic cylinder according to claim 1, characterized in that: The drilling motor is provided with a positioning block fixedly provided thereon for positioning the drilling drill bit. The positioning block is coaxially arranged with the drilling slot. The positioning block is provided with a through hole for the drilling drill bit to pass through. The positioning block extends into and slides in the drilling slot by driving the drilling motor through the driving cylinder.

3. The positioning and punching device for a hydraulic cylinder according to claim 2, characterized in that: The positioning block is installed on the end face of the punching motor close to the positioning plate. The positioning block is provided with relatively arranged limiting plates. Each limiting plate is provided with a buffer pad, and the buffer pad is also installed on the end face of the limiting plate close to the positioning plate.

4. The positioning and punching device for a hydraulic cylinder according to claim 3, characterized in that: The frame is provided with relatively arranged movable slide rails, the movable plate is provided with relatively arranged movable sliders corresponding to each movable slide rail, the driving motor is fixed on the frame, a screw rod is fixedly provided at the output end of the driving motor, a driving block is provided on the movable plate, a screw hole adapted to the screw rod is provided on the driving block, the movable plate is slidably arranged on the frame through the driving of the screw rod by the driving motor, the threaded cooperation between the screw rod and the screw hole in the driving block, and the cooperation and sliding of each movable slider and the movable slide rail.

5. The positioning and punching device for a hydraulic cylinder according to claim 4, characterized in that: Each pressure plate is provided with a pressure pad which can prevent the hydraulic cylinder from rolling after being pressed.

6. The positioning and punching device for a hydraulic cylinder according to claim 5, characterized in that: The two ends of the support platform are rotatably provided with support plates that can support the bottom surface of the hydraulic cylinder. The working platform is provided with support cylinders corresponding to each support plate. The telescopic end of each support cylinder is rotatably provided with an adjusting slider. The bottom surface of each support plate is provided with an adjusting groove that is adapted to the adjusting slider. The extension direction of the adjusting groove is perpendicular to the rotation axis of the support plate. The support angle of each support plate is adjusted by the rotation connection with the support platform, the driving of the adjusting slider by the support cylinder, and the cooperation between the adjusting slider and the adjusting groove.

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