Hydraulic mechanism with self-adjusting cushion block
By setting limit sliders at both ends of the self-adjusting pad of the hydraulic cylinder and connecting them with bolts, the limit structure is formed by gravity sliding down, which solves the problem of the pad sliding out and improves production efficiency and stability.
Patent Information
- Application Number
- CN202422989690.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2034-12-05
AI Technical Summary
The pads in existing hydraulic cylinders are prone to slipping out during use, and the installation of limit devices can affect production efficiency.
Design a self-adjusting pad by setting limiting sliders at both ends, which slide down using bolt connection and gravity to form a limiting structure with the frame and prevent it from falling out.
It achieves automatic limiting under different process conditions, preventing detachment and improving production efficiency and stability.
Smart Images

Figure CN223877605U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of hydraulic machine especially relates to a hydraulic mechanism with self -adjusting cushion block. BACKGROUND
[0002] The hydraulic cylinder, which usually comprises a cylinder body, a piston rod and a sealing device, is a hydraulic actuating element for linear reciprocating motion (or oscillating motion) by converting hydraulic energy into mechanical energy through inputting hydraulic oil into the sealed cylinder body.
[0003] For example, the patent number 202121652464.2 patent document discloses a cushion block and a hydraulic press using the cushion block, the cushion block, including pressure plate, sliding block and adjusting screw rod, the pressure plate is connected by upper pressure plate and lower pressure plate, the middle part of pressure plate is provided with containing hole, the two opposite sides of pressure plate are all provided with slide groove with opening outward, two slide grooves are symmetrically arranged, the slide groove is trapezoidal groove structure, the groove bottom area of slide groove is less than the slot area;The sliding block includes a first sliding block and a second sliding block, the first sliding block and the second sliding block are adapted to the slide groove and are respectively slid along the two slide grooves;The adjusting screw rod passes through the containing hole, and the adjusting screw rod is provided with a right thread segment and a reverse thread segment at both ends respectively, the right thread segment passes through the first sliding block horizontally, and the reverse thread segment passes through the second sliding block horizontally.
[0004] The above technical scheme adjusts the height of the cushion block by the movement of the trapezoidal sliding block, and the pressure in the up-down direction can be transmitted and decomposed by the inclined surface contact between the two sliding blocks and the slide groove, so that a certain degree of buffering is realized, and the pressure resistance is stronger.
[0005] However, the cushion block lacks necessary limiting structure, which leads to easy sliding out of the work station during use. If a limiting device is configured, there will be additional adjustment steps when applied in different processes, which affects production efficiency.
[0006] Therefore, it is necessary to improve such a structure to overcome the above-mentioned defects. INVENTION CONTENTS
[0007] The utility model aims at providing a kind of hydraulic mechanism with self-adjusting cushion block to solve the problems in prior art.
[0008] The above technical purpose of the utility model is realized by the following technical scheme:
[0009] A kind of hydraulic mechanism with self-adjusting cushion block, including rack, hydraulic mechanism being set on rack, and self-adjusting cushion block being located below hydraulic mechanism;
[0010] The self-adjusting cushion block comprises a base block, the top surface of the base block is provided as a first machining surface, and a work station is arranged at the first machining surface, the bottom surface of the base block is provided as a second machining surface, and a limiting sliding block is arranged at each side of the base block, the self-adjusting cushion block is limitedly matched with the rack through the limiting sliding blocks and can move along the rack.
[0011] The limiting sliding block is provided with an oblong hole, and the limiting sliding block is connected with the side surface of the self-adjusting cushion block through a bolt penetrating through the oblong hole.
[0012] Further, the rack comprises a plurality of vertically arranged supporting columns, and an upper cross beam and a lower cross beam transversely mounted on the supporting columns; the hydraulic mechanism is mounted on the upper cross beam, and the self-adjusting cushion block is mounted on the lower cross beam.
[0013] Further, the two ends of the self-adjusting cushion block extend out of the outer side surface of the lower cross beam, and the limiting sliding blocks arranged at the two end portions of the self-adjusting cushion block form limiting structures through downward extension.
[0014] Further, the width of the oblong hole is greater than the width of the bolt, and the limiting sliding block connected through the bolt slides downward under the action of gravity to form the limiting structure matched with the outer side surface of the lower cross beam.
[0015] In summary, the utility model has the following beneficial effects:
[0016] By arranging the limiting sliding blocks at the two end portions of the self-adjusting cushion block, the limiting sliding blocks can slide downward along the oblong hole under the action of their own gravity to form the limiting structure matched with the rack. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is the front view of the hydraulic mechanism.
[0018] Figure 2 is the side view of the hydraulic mechanism.
[0019] Figure 3 is the partial schematic view of the hydraulic mechanism.
[0020] Figure 4 is the sliding process schematic view of the limiting sliding block along the oblong hole.
[0021] Figure 5 is the schematic view of the self-adjusting cushion block. DETAILED DESCRIPTION
[0022] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with the drawings and specific embodiments.
[0023] AsFigures 1 to 5 The utility model provides a hydraulic mechanism with self -adjusting cushion block, including frame 1, set up hydraulic mechanism 2 on frame 1 and the self -adjusting cushion block 3 below hydraulic mechanism 2,
[0024] Self -adjusting cushion block 3 includes base block 4, the top surface of base block 4 is first processing surface, and is equipped with workstation 5 at first processing surface, the bottom surface of base block 4 is second processing surface, and one limit sliding block 6 is equipped respectively at both sides of base block 4, and self -adjusting cushion block 3 is limited with frame 1 through limit sliding block 6, and can move along frame 1,
[0025] Long circular hole 7 is equipped on limit sliding block 6, and limit sliding block 6 is connected with the side of self -adjusting cushion block 3 through long circular hole 7 and bolt 8.
[0026] Frame 1 includes several vertical support columns 11 and the upper crossbeam 12 and lower crossbeam 13 transversely installed on support column 11, and hydraulic mechanism 2 is installed on upper crossbeam 12, and self -adjusting cushion block 3 is installed on lower crossbeam 13.
[0027] Both ends of self -adjusting cushion block 3 respectively extend the outside of lower crossbeam 13, and limit sliding block 6 arranged at both ends of self -adjusting cushion block 3 constitutes limit structure by extending downward.
[0028] The width of long circular hole 7 is greater than the width of bolt 8, and limit sliding block 6 connected by bolt 8 slides down under the action of gravity and constitutes limit structure with the outside of lower crossbeam 13.
[0029] The working principle of the utility model is as follows:
[0030] When using, according to the characteristics of processing technology, the corresponding first processing surface or second processing surface is selected to be matched with hydraulic mechanism 2 upwards, then self -adjusting cushion block 3 is placed on lower crossbeam 13, and in the process of self -adjusting cushion block 3 moving along lower crossbeam 13, the inside of limit sliding block 6 and the outside of lower crossbeam 13 constitute limit structure, to prevent self -adjusting cushion block 3 from coming out.
[0031] After the current processing technology of hydraulic mechanism 2 is finished, when another side of self -adjusting cushion block 3 needs to be used for processing, by overturning self -adjusting cushion block 3 and placing it on lower crossbeam 13, at this time, limit sliding block 6 connected by bolt 8 will slide down along long circular hole 7 under the action of gravity, and its inside will constitute limit structure with the outside of lower crossbeam 13 below.
[0032] In this article, the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of expressing the technical solution clearly and conveniently, and therefore cannot be understood as a limitation on the utility model.
[0033] In this article, the terms "including", "containing" or any other variant thereof are intended to cover non-exclusive inclusion, in addition to containing the listed elements, but also containing other elements not explicitly listed.
[0034] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A hydraulic mechanism with self-adjusting pads, comprising a frame (1), a hydraulic mechanism (2) arranged on the frame (1), and a self-adjusting pad (3) located below the hydraulic mechanism (2); characterized in that the self-adjusting pad (3) comprises a base block (4), a top surface of the base block (4) is provided as a first machined surface, and a work station (5) is arranged at the first machined surface, a bottom surface of the base block (4) is provided as a second machined surface, and a limiting sliding block (6) is arranged on each side of the base block (4), the self-adjusting pad (3) is limitedly matched with the frame (1) through the limiting sliding blocks (6) and is movable along the frame (1); a long circular hole (7) is arranged on the limiting sliding block (6), and the limiting sliding block (6) is connected with the side surface of the self-adjusting pad (3) through a bolt (8) passing through the long circular hole (7).
2. The hydraulic mechanism with self-adjusting pads of claim 1, wherein, the frame (1) comprises a plurality of vertically arranged support columns (11), and an upper cross beam (12) and a lower cross beam (13) transversely mounted on the support columns (11); the hydraulic mechanism (2) is mounted on the upper cross beam (12), and the self-adjusting pad (3) is mounted on the lower cross beam (13).
3. The hydraulic mechanism with self-adjusting pads of claim 1, wherein, the self-adjusting pad (3) extends out of the outer side surface of the lower cross beam (13) at both ends, and the limiting sliding blocks (6) arranged at the end portions of the self-adjusting pad (3) form limiting structures by extending downward.
4. The hydraulic mechanism with self-adjusting pads of claim 1, wherein, the width of the long circular hole (7) is greater than the width of the bolt (8), the limiting sliding block (6) connected through the bolt (8) slides downward under the action of gravity, and forms a limiting structure matched with the outer side surface of the lower cross beam (13).
Citation Information
Patent Citations
Cushion block and hydraulic press adopting same
CN215435189U