Hydraulic device with positioning structure
By setting a positioning mechanism inside the hydraulic rod, and utilizing the sliding connection of the clamping ring and the ball, as well as the reaction force of the spring, the problem of object displacement during the pressing of the hydraulic press rod is solved, thus achieving stable positioning and efficient processing of the object.
Patent Information
- Application Number
- CN202423205524.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-25
AI Technical Summary
In existing hydraulic presses, the workpiece is prone to displacement during the pressing process of the pressure rod, which affects processing efficiency.
A positioning mechanism is set inside the hydraulic rod, including a positioning ring, a clamping ring, and a reset assembly. The object is stably clamped and positioned by means of a ball on the clamping ring slidingly connected to the outer arc surface of the object and by means of a tension spring and a guide rod.
This effectively prevents the object from shifting during the hydraulic rod's downward press, improving processing stability and efficiency.
Smart Images

Figure CN223605153U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hydraulic machine technical field, concretely is hydraulic device with positioning structure. BACKGROUND
[0002] The hydraulic device comprises a hydraulic machine, and the hydraulic machine is a kind of machine for transmitting energy to process metal, plastic, rubber, wood, powder and other products using liquid static pressure with liquid as working medium according to Pascal principle.The hydraulic machine is generally composed of three parts of main machine, power system and hydraulic control system.
[0003] The existing hydraulic mechanism does not have positioning function for the object to be processed, or clamps the object by setting clamping plate under the hydraulic machine, and the object still exists displacement under the upper hydraulic machine during the pressing process of the pressing rod of the hydraulic machine, thereby affecting the hydraulic efficiency,
[0004] Through retrieval, in the prior art, the hydraulic device convenient to position and clamp is disclosed in CN213858220U, which comprises a support plate, a support column is fixedly connected to the lower end of the support plate, a bottom plate is movably connected to the lower end of the support plate, a bearing is fixedly connected to the upper end of the bottom plate, a drive motor is fixedly connected to the right side of the upper end of the bottom plate, a transmission rod is fixedly connected to the upper end of the drive motor, a first gear is fixedly connected to the upper end of the transmission rod, a second gear is fixedly connected to the outer side of the support column, a first support rod is fixedly connected to the right side of the upper end of the support plate, and a first hydraulic rod is fixedly connected to the left end of the first support rod.The hydraulic device convenient to position and clamp is composed of a clamping device by first hydraulic rod, second hydraulic rod and clamping plate and other components, the object is clamped by two hydraulic rods, hydraulic transmission is lighter than traditional mechanical transmission, has the advantages of small size, small inertia, etc., clamping is more stable, and the inner side of the clamping plate is provided with teeth to prevent slipping.
[0005] However, the above-mentioned patent still has the problem that the object still exists displacement under the upper hydraulic machine during the pressing process of the pressing rod of the hydraulic machine, therefore a hydraulic device with positioning structure is proposed. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing a hydraulic device with positioning structure, which positions the object placed below when the working end of the object inside the upper hydraulic rod is pressed down by the positioning mechanism, to avoid displacement of the object, and solves the problems in the above background technology.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0008] A hydraulic device with positioning structure, including hydraulic machine host, the top of the hydraulic machine host is provided with hydraulic rod, the inside working end of the hydraulic rod is arranged in the inside of the hydraulic machine host, the outer arc surface of the bottom of the hydraulic rod working end is provided with the positioning mechanism for positioning object;
[0009] The positioning mechanism includes a positioning ring, a clamping ring and a fixing assembly, the positioning ring is fixedly arranged on the outer arc surface of the bottom of the hydraulic rod working end through the fixing assembly, the clamping ring is symmetrically arranged in the inside of the positioning ring, and the two groups of clamping rings are in arc shape, a plurality of ball bearings are rotatably arranged on the opposite side walls of the two groups of clamping rings, the ball bearings are slidably connected with the outer arc surface of the object, and the outer side walls of the two groups of clamping rings are slidably arranged on the side walls of the positioning ring through the reset assembly.
[0010] Preferably, the reset assembly includes a cylinder, the cylinder is fixedly installed with the outer arc surfaces of the two groups of clamping rings, and the two cylinders are fixedly installed with the end portions of the side walls of the positioning ring through the end portions of the side walls of the positioning ring.
[0011] Preferably, the side walls of the two groups of horizontal plates towards the outer arc surface of the positioning ring are respectively provided with a tension spring on the two sides of the cylinder, the end portions of the tension springs are fixedly installed with the outer arc surface of the positioning ring, and the outer arc surface of the positioning ring is also symmetrically provided with a guide assembly.
[0012] Preferably, the guide assembly includes a guide rod, the guide rod is symmetrically arranged on the two sides of the two cylinders, and the horizontal plates are slidably sleeved on the outer arc surfaces of the guide rods.
[0013] Preferably, the fixing assembly includes a fixing ring and a connecting column, the bottom end of the connecting column is symmetrically arranged on the top of the positioning ring, and the top end of the connecting column is fixedly installed with the bottom surface of the fixing ring, and the inner arc surface of the fixing ring is fixedly arranged with the outer arc surface of the bottom of the hydraulic rod working end.
[0014] Preferably, a groove is arranged in the inside of the hydraulic machine host below the hydraulic rod working end, a placing table is arranged in the inside of the groove, a placing groove for placing the object is arranged on the top of the placing table, notches are arranged on the two sides of the inner arc surface of the groove below the positioning mechanism, and a control screen is arranged on the front side wall of the hydraulic machine host.
[0015] Compared with the prior art, the hydraulic device with positioning structure has the advantages that:
[0016] The utility model discloses a positioning mechanism to the object of placing below is positioned when the working end inside the hydraulic rod of upper side is pressed down, avoids the displacement of object, influences the processing and testing demand to it, and the user only needs to press down the working end inside the hydraulic rod simultaneously through the handle of both sides and releases the hand after the clamping ring cover of object outside is pulled, and the clamping ring is positioned to the object under the counterforce of extension spring, guarantees the stability of object. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 It is the whole structure schematic diagram of the utility model;
[0018] Fig. 2 It is the positioning mechanism down -pressing state structure schematic diagram of the utility model;
[0019] Fig. 3 It is the positioning mechanism structure schematic diagram of the utility model;
[0020] Fig. 4 It is the ball position structure schematic diagram of the utility model.
[0021] In the drawing: 1, hydraulic press main machine;2, control screen;3, hydraulic rod;4, recess;5, recess;6, positioning mechanism;7, fixed ring;8, connecting column;9, positioning ring;10, cylinder;11, horizontal plate;12, handle;13, clamping ring;14, ball;15, guide rod;16, extension spring;17, placing table;18, placing groove. DETAILED DESCRIPTION
[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0023] Please refer to Figs. 1-4 The utility model provides a technical scheme:
[0024] A hydraulic device with positioning structure, including hydraulic press main machine 1, the top of hydraulic press main machine 1 is provided with hydraulic rod 3, and the inside working end of hydraulic rod 3 is arranged in the inside of hydraulic press main machine 1, and the outer arc surface of the working end bottom of hydraulic rod 3 is provided with positioning mechanism 6 for positioning object;
[0025] The positioning mechanism 6 comprises a positioning ring 9, a clamping ring 13 and a fixing assembly, the positioning ring 9 is fixedly arranged on the outer arc surface of the bottom of the working end of the hydraulic rod 3 through the fixing assembly, the clamping ring 13 is symmetrically arranged inside the positioning ring 9, and the two sets of clamping rings 13 are in arc shape, the opposite side walls of the two sets of clamping rings 13 are rotatably provided with a plurality of ball bearings 14, the ball bearings 14 are slidably connected with the outer arc surface of the object, and the outer side walls of the two sets of clamping rings 13 are slidably arranged on the side walls of the positioning ring 9 through the reset assembly.
[0026] The outer arc surface of the bottom of the working end of the hydraulic rod 3 is provided with the fixing assembly, the clamping ring 13 slidably arranged on the side wall of the lower positioning ring 9 is driven by the fixing assembly to clamp and position different specifications of objects, and the inner arc surfaces of the two sets of clamping rings 13 are rotatably provided with a plurality of groups of ball bearings 14, the ball bearings 14 are slidably connected with the outer arc surface of the object, so that the ball bearings 14 rotatably arranged on the inner arc surface of the clamping ring 13 arranged on the side wall of the lower positioning ring 9 are slid downward on the outer arc surface of the object by the working end of the upper hydraulic rod 3, so as to position the object, avoid displacement of the object during the pressing process of the hydraulic rod 3, and affect the processing efficiency.
[0027] The reset assembly comprises a cylinder 10, the cylinder 10 is fixedly installed with the outer arc surfaces of the two sets of clamping rings 13, and the two cylinders 10 penetrate the end portions of the side walls of the positioning ring 9 and are fixedly installed with the horizontal plates 11, and the side walls of the horizontal plates 11 are fixedly installed with the handles 12.
[0028] And the outer arc surfaces of the clamping rings 13 are respectively provided with the cylinders 10, the end portions of the cylinders 10 penetrate the side walls of the positioning ring 9 and are fixedly installed with the horizontal plates 11, and the outer side walls of the horizontal plates 11 are provided with the handles 12, so that the user manually pulls the handles 12 on both sides outward, and the two sets of clamping rings 13 are sleeved on the outer arc surface of the object, the object is positioned by the clamping ring 13 during the pressing process of the working end of the hydraulic rod 3, and the stability of the object during pressing is further increased.
[0029] The side walls of the two sets of horizontal plates 11 towards the outer arc surface of the positioning ring 9 are respectively provided with a tension spring 16 on the two sides of the cylinder 10, the end portions of the tension springs 16 are fixedly installed with the outer arc surfaces of the positioning ring 9, and the outer arc surfaces of the positioning ring 9 are respectively and symmetrically provided with a guide assembly, the side walls of the two sets of horizontal plates 11 towards the outer arc surface of the positioning ring 9 are respectively provided with the tension springs 16 on the two sides of the cylinder 10, so as to reset the clamping ring 13 by the tension spring 16, the two sets of clamping rings 13 gather towards the center of the positioning ring 9 under the reaction force of the tension spring 16, and the object is clamped and positioned, so as to prevent the object from being displaced.
[0030] The guide assembly comprises guide rods 15 symmetrically arranged on both sides of the two groups of cylinders 10, the horizontal plates 11 are slidably sleeved on the outer arc surfaces of the guide rods 15, and the guide rods 15 are also arranged on the outer arc surfaces of the positioning rings 9 on both sides of the cylinders 10, and the horizontal plates 11 are slidably sleeved on the outer arc surfaces of the guide rods 15, so that the horizontal plates 11 are connected on the outer arc surfaces of the guide rods 15 through sliding, the moving direction of the clamping ring 13 is determined, and the stability of the clamping ring 13 during movement is improved when the user pulls the handle 12 outward.
[0031] The fixing assembly comprises fixing rings 7 and connecting columns 8, the bottom ends of the connecting columns 8 are symmetrically arranged on the top of the positioning ring 9, the top ends of the connecting columns 8 are fixedly installed on the bottom surfaces of the fixing rings 7, and the inner arc surfaces of the fixing rings 7 are fixedly arranged on the outer arc surfaces of the bottom of the working end of the hydraulic rod 3.
[0032] The connecting columns 8 are symmetrically arranged on the top of the positioning ring 9, the top of the connecting column 8 is fixedly installed on the bottom surface of the fixing ring 7, and the fixing ring 7 is fixedly arranged on the outer arc surface of the bottom of the working end of the hydraulic rod 3, when the working end in the hydraulic rod 3 is pressed downward, the worker manually pulls the handle 12, the clamping ring 13 is sleeved on the outside of the object, the ball 14 on the inner arc surface of the clamping ring 13 slides downward along the outer arc surface of the object when the working end in the hydraulic rod 3 is pressed downward, the object is further positioned, and displacement of the object is avoided.
[0033] A recess 4 is arranged in the hydraulic machine host 1 below the working end of the hydraulic rod 3, a placing table 17 is arranged in the recess 4, a placing groove 18 for placing the object is arranged on the top of the placing table 17, notches 5 are arranged on the inner arc surfaces of the recess 4 and below the positioning mechanism 6, and a control screen 2 is arranged on the front side wall of the hydraulic machine host 1.
[0034] The recess 4 is arranged in the hydraulic machine host 1 below the working end of the hydraulic rod 3, the placing table 17 is arranged in the recess 4, the placing groove 18 is arranged on the surface of the placing table 17, the notches 5 are arranged on the inner walls of the recess 4 and below the positioning mechanism 6, the positioning mechanism 6 is prevented from colliding with the hydraulic machine host 1 and causing damage to the equipment, and the control screen 2 is arranged on the front side wall of the hydraulic machine host 1, so that the worker can control the pressure of the hydraulic rod 3.
[0035] Although the embodiments of the utility model have been shown and described above, it should be understood that the above embodiments are exemplary and cannot be understood as limiting the utility model, and those skilled in the art can change, modify, replace and transform the above embodiments within the scope of the utility model.
Claims
1. Hydraulic device with positioning structure, comprising a hydraulic press main machine (1), characterized in that: The top of the hydraulic machine host (1) is provided with a hydraulic rod (3), the inner working end of the hydraulic rod (3) is arranged in the hydraulic machine host (1), and the outer arc surface of the bottom of the working end of the hydraulic rod (3) is provided with a positioning mechanism (6) for positioning an object; The positioning mechanism (6) comprises a positioning ring (9), a clamping ring (13) and a fixing assembly, the positioning ring (9) is fixedly arranged on the outer arc surface of the bottom of the working end of the hydraulic rod (3) through the fixing assembly, the clamping ring (13) is symmetrically arranged in the positioning ring (9), and the two groups of clamping rings (13) are in arc shape, a plurality of ball bearings (14) are rotatably arranged on the opposite side walls of the two groups of clamping rings (13), the ball bearings (14) are in sliding connection with the outer arc surface of the object, and the outer side walls of the two groups of clamping rings (13) are slidably arranged on the side walls of the positioning ring (9) through reset assemblies.
2. Hydraulic device with positioning structure according to claim 1, characterized in that The reset assembly comprises a cylinder (10), the cylinder (10) is fixedly installed with the outer arc surfaces of the two groups of clamping rings (13), and the two groups of cylinders (10) are fixedly installed with the horizontal plates (11) at the ends penetrating the side walls of the positioning ring (9).
3. Hydraulic device with positioning structure according to claim 2, characterized in that: The side walls of the two groups of horizontal plates (11) towards the outer arc surface of the positioning ring (9) are provided with stretch springs (16) on the two sides of the cylinders (10), the ends of the stretch springs (16) are fixedly installed with the outer arc surfaces of the positioning ring (9), and the outer arc surfaces of the positioning ring (9) are also symmetrically provided with guide assemblies.
4. Hydraulic device with positioning structure according to claim 3, characterized in that: The guide assembly comprises a guide rod (15), the guide rod (15) is symmetrically arranged on the two sides of the two groups of cylinders (10), and the horizontal plates (11) are slidably sleeved on the outer arc surfaces of the guide rods (15).
5. Hydraulic device with positioning structure according to claim 4, characterized in that: The fixing assembly comprises a fixing ring (7) and a connecting column (8), the bottom ends of the connecting columns (8) are symmetrically arranged on the top of the positioning ring (9), the top ends of the connecting columns (8) are fixedly installed with the bottom surfaces of the fixing rings (7), and the inner arc surfaces of the fixing rings (7) are fixedly arranged with the outer arc surfaces of the bottom of the working end of the hydraulic rod (3).
6. Hydraulic device with positioning structure according to claim 5, characterized in that The bottom of the working end of the hydraulic rod (3) is also provided with a groove (4) in the hydraulic machine host (1), the groove (4) is provided with a placing table (17), the top of the placing table (17) is provided with a placing groove (18) for placing an object, notches (5) are formed in the inner arc surfaces of the groove (4) and below the positioning mechanism (6), and the front side wall of the hydraulic machine host (1) is also provided with a control screen (2).
Citation Information
Patent Citations
Hydraulic device facilitating positioning and clamping
CN213858220U