Jacking and positioning mechanism for material conveying
By using a lifting frame that slides along the rails, a push rod structure for guide wheel lifting, a buffer for positioning, an extension cylinder for adaptation, and a sensor for control, the problems of low efficiency and inaccurate positioning when switching between different specifications of square tube bundles are solved, enabling rapid and accurate positioning of multiple specifications of square tube bundles and efficient automated operation of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-24
- Publication Date
- 2026-03-27
AI Technical Summary
In existing technologies, the specification switching of square tube bundles relies on manual adjustment, which results in low changeover efficiency, insufficient flexibility, poor positioning accuracy, and simple lifting and guiding, leading to easy swaying and jamming during lifting. Furthermore, the lack of position detection makes it difficult to link with automated systems.
The system employs a lifting frame that slides along a linear rail, a push rod structure that drives the guide wheels to lift synchronously, a buffer to absorb impact, a fixed stop block for positioning, an extension arm cylinder to adapt to different specifications, sensors for automated control, a rolling trolley to assist movement, a fixed stop bar to limit extreme positions, guide wheels for adaptive rolling, and a rotating shaft to prevent parts from falling off.
It enables rapid and accurate positioning of multi-specification square tube bundles, reduces changeover costs, improves production flexibility and equipment lifespan, and ensures smooth movement and reliable connection.
Smart Images
Figure CN224046274U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to positioning mechanism technical field, concretely is a material conveying jacking positioning mechanism. BACKGROUND
[0002] In the field of steel processing, logistics and warehousing, square tube bundles need to be completed by automatic equipment for unstacking and transferring, and the demand for "multi-specification quick switching", "precise positioning" and "stable and reliable" conveying positioning capacity is urgent: on the one hand, the production line needs to adapt to square tube bundles of different pipe diameters and bundling sizes; on the other hand, the precise positioning before unstacking directly affects the grabbing efficiency and safety of the unstacking mechanical arm.
[0003] Existing defects: specification switching relies on manual adjustment, and the type changing efficiency is low and the flexibility is insufficient; end rigid collision leads to deformation of the mechanism and poor positioning accuracy; the lifting guide is simple, and the jacking is easy to deviate and jam; there is no position detection, and it is difficult to be linked with an automatic system. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a material conveying jacking positioning mechanism to solve the problems in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a material conveying jacking positioning mechanism, comprising a lifting frame, a push rod cylinder, a push rod structure, a wire rail, a sliding block, a buffer and a fixed stop block;
[0006] The four corners of the lifting frame are slidably connected with the wire rail through four groups of sliding blocks, and the lifting frame is limited to move only in the vertical direction;
[0007] The push rod cylinder drives the push rod structure to move forward, the push rod structure is provided with a guide wheel, and the guide wheel synchronously drives the lifting frame to jack up when the push rod structure moves;
[0008] The buffer and the fixed stop block are correspondingly arranged, when the push rod structure moves to the end stroke, the high-speed impact force is first absorbed by the buffer, and then the push rod structure is parked on the fixed stop block, and the jacking positioning is completed.
[0009] Preferably, the material conveying jacking positioning mechanism further comprises an arm and an arm cylinder;
[0010] The arm is movably connected with the lifting frame, and the arm cylinder drives the arm to extend and retract to adapt to the support requirements of square tube bundles of different specifications.
[0011] Preferably, the material conveying jacking positioning mechanism further comprises a sensor; the sensor is arranged on the lifting frame or the push rod structure, and is used for detecting the lifting, extension and retraction or positioning state of the mechanism to realize automatic control.
[0012] Preferably, the material conveying jacking positioning mechanism further comprises a rolling trolley, a roller and a roller shaft; the rolling trolley is connected with the bottom of the lifting frame, and the roller is installed on the rolling trolley through the roller shaft and used for supporting the mechanism and assisting the movement of the mechanism during the switching of the work station.
[0013] Preferably, the material conveying jacking positioning mechanism further comprises a fixed stop lever; the fixed stop lever is vertically arranged on the side of the rack and cooperates with the lifting frame to limit the limit position of the lifting frame and prevent overstroke.
[0014] Preferably, the material conveying jacking positioning mechanism further comprises a rotating shaft and a shaft stop ring; the rotating shaft is used for connecting the rotating part, and the shaft stop ring is sleeved on the rotating shaft or the roller shaft to prevent the axial falling of the shaft part.
[0015] Preferably, the guide wheel is installed on the push rod structure through a guide wheel shaft, and the guide wheel shaft is rotationally connected with the push rod structure, so that the guide wheel can roll adaptively with the jacking of the lifting frame.
[0016] Compared with the prior art, the lifting frame is connected with the linear rail through the sliding block, the movement of the lifting frame is limited to the vertical direction, the positioning accuracy is ensured, the push rod structure is moved to the end stroke, the bumper first absorbs the impact force, then the fixed stop block is used for rigid positioning, the impact damage is reduced, and the service life of the equipment is prolonged, the arm is driven to stretch and retract through the arm cylinder, the support width can be quickly adjusted, different specifications of square tubes can be adapted, and the cost of changing the type is reduced, the sensor monitors the state of the mechanism in real time and feeds back to the control system, the full-process automatic control is realized, the bottom rolling trolley is matched with the roller and the roller shaft, the movement of the mechanism during the switching of the work station is easy, and the production flexibility is improved, the fixed stop lever cooperates with the lifting frame to limit the limit position of the lifting frame, overstroke is prevented due to the out-of-control of the cylinder, the guide wheel is rotationally connected with the push rod structure through the guide wheel shaft, the guide wheel can roll adaptively during the jacking, the frictional resistance is reduced, the movement is stable, the shaft stop ring on the rotating shaft and the roller shaft can prevent the axial falling of the shaft part, and the connection reliability of the mechanism is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 It is a structural schematic view of the utility model;
[0018] Fig. 2 It is a first three-dimensional structural schematic view of the utility model;
[0019] Fig. 3 It is a second three-dimensional structural schematic view of the utility model.
[0020] In the figure: 1, push rod structure; 2, lifting frame; 3, push rod cylinder; 4, rolling trolley; 5, rotating shaft; 6, sliding block; 7, wire rail; 8, guide rail; 9, extension arm cylinder; 10, extension arm; 11, buffer; 12, roller; 13, guide wheel; 14, guide wheel shaft; 15, inductor; 16, roller shaft; 17, shaft stop ring; 18, fixed stop lever; 19, fixed stop block. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than 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 protection of the utility model.
[0022] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme: a material conveying jacking positioning mechanism, including lifting frame 2, push rod cylinder 3, push rod structure 1, wire rail 7, sliding block 6, buffer 11 and fixed stop block 19;Four corners of the lifting frame 2 are slidably connected with wire rail 7 by four groups of sliding blocks 6, limit lifting frame 2 to move only along height direction;The push rod cylinder 3 drives the push rod structure 1 to move forward, the push rod structure 1 is equipped with guide wheel 13, when guide wheel 13 moves with push rod structure 1, synchronous drive the lifting frame 2 jacking;Buffer 11 and fixed stop block 19 are correspondingly arranged, when push rod structure 1 moves to end stroke, first pass through buffer 11 to absorb high-speed impact force, then stop at fixed stop block 19, complete jacking positioning.
[0023] As Fig. 1 Shown, initial state: push rod cylinder 3 is in retracted state, push rod structure 1 is located in last end, guide wheel 13 and the initial contact point corresponding with the bottom of lifting frame 2;Lifting frame 2 is in the lowest position under the action of its gravity or reset mechanism, waits to receive party pipe bundle.
[0024] Jacking starts: control system triggers push rod cylinder 3 to lengthen, and push rod structure 1 moves forward along horizontal direction;With the forward movement of push rod structure 1, guide wheel 13 contacts with the jacking inclined surface of the bottom of lifting frame 2, due to the geometric guiding effect of inclined surface, guide wheel 13 rolls upwards, and simultaneously converts the horizontal thrust of push rod structure 1 into vertical jacking force of lifting frame 2;Due to the rigid guidance of four wire rails 7 and sliding blocks 6, lifting frame 2 stably rises along vertical direction, without deviation or jamming (motion accuracy ±0.5mm).
[0025] As Fig. 3End buffer and positioning: when the push rod structure 1 moves to the end stroke, the bumper 11 avoids vibration or structural damage caused by rigid impact.
[0026] After the buffering process is completed, the push rod structure 1 continues to move slightly until it is in contact with the fixed stop block 19. Through the mechanical stop action of the fixed stop block, the final position of the lifting frame 2 is locked, and at this time the square tube bundle is precisely jacked into position.
[0027] The material conveying jacking positioning mechanism further comprises an extension arm 10, an extension arm cylinder 9, a sensor 15, a rolling trolley 4, a roller 12, a roller shaft 16, a fixed stop lever 18, a rotating shaft 5 and a shaft stop ring 17.
[0028] The extension arm 10 is movably connected to the lifting frame 2, and the extension arm cylinder 9 drives the extension arm 10 to extend or retract to adapt to the support needs of square tube bundles of different specifications. The sensor 15 is arranged on the lifting frame 2 or the push rod structure 1, and is used to detect the lifting, extension or positioning state of the mechanism to realize automatic control. The rolling trolley 4 is connected to the bottom of the lifting frame 2, and the roller 12 is installed on the rolling trolley 4 through the roller shaft 16, and is used to support the mechanism and assist its movement during work position switching. The fixed stop lever 18 is vertically arranged on the side of the rack and cooperates with the lifting frame 2 to limit its extreme position to prevent overtravel. The rotating shaft 5 is used to connect rotating parts, and the shaft stop ring 17 is sleeved on the rotating shaft 5 or the roller shaft 16 to prevent the axial falling of shaft parts. The guide wheel 13 is installed on the push rod structure 1 through the guide wheel shaft 14, and the guide wheel shaft 14 is rotatably connected to the push rod structure 1, so that the guide wheel 13 can adaptively roll with the jacking of the lifting frame 2.
[0029] Specification switching preparation: receive the square tube bundle specification signal, drive the extension arm cylinder 9 to extend or retract the extension arm 10 to the corresponding width, and the sensor 15 feeds back that the extension arm is in place.
[0030] Jacking positioning process: the push rod cylinder 3 is elongated, the push rod structure 1 moves forward, the guide wheel 13 rolls, the lifting frame 2 is jacked up along the four groups of linear rails 7, the bumper 11 absorbs the impact when reaching the end stroke, stops at the fixed stop block 19, and the sensor 15 detects that the jacking is in place to link the mechanical arm to grab.
[0031] Work position switching operation (optional): when the work position needs to be changed, the fixed stop lever 18 is removed from the position, the pushing mechanism moves to the target work position through the rolling trolley 4, and then the fixed stop lever 18 is reset to lock the position.
[0032] The detailed connection means is a known technology in the art, and the working principle and process are mainly introduced below. The specific work is as follows.
[0033] Initial state: push rod cylinder 3 retracts, push rod structure 1 is located at the end, lifting frame 2 is lowered to the lowest position; the outrigger 10 is retracted or pre-extended to the intermediate position according to the last use specification, and the inductor 15 feeds back the standby state.
[0034] Jack-up start: the control system receives the positioning instruction, the push rod cylinder 3 is elongated, and the push rod structure 1 is pushed forward; the guide wheel 13 moves forward with the push rod structure, and the lifting frame 2 is pushed up along the four groups of linear rails 7, and the outrigger cylinder 9 drives the outrigger 10 to extend to the corresponding length according to the current square tube bundle specification.
[0035] End positioning: the push rod structure 1 reaches the end stroke, the buffer 11 is triggered to absorb the impact, and then stops at the fixed stop block 19, the lifting frame 2 stops moving, and the jacking is completed; the inductor 15 detects that the positioning is in place, sends a signal to the unstacking mechanical arm, and the mechanical arm grabs the square tube bundle.
[0036] Reset cycle: after the grabbing is completed, the push rod cylinder 3 is retracted, the lifting frame 2 is lowered under the action of the weight or the reset spring, and the outrigger 10 is retracted to the initial position; the mechanism returns to the standby state, and waits for the positioning instruction of the next specification square tube bundle.
[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A material conveying lifting and positioning mechanism, comprising a lifting frame (2), a push rod cylinder (3), a push rod structure (1), a linear guide (7), a slider (6), a buffer (11), and a fixed stop block (19), characterized in that: The four corners of the lifting frame (2) are slidably connected to the linear rail (7) by four sets of sliders (6), which limits the lifting frame (2) to move only in the vertical direction; The push rod cylinder (3) drives the push rod structure (1) to move forward. The push rod structure (1) is provided with a guide wheel (13). When the guide wheel (13) moves with the push rod structure (1), it synchronously drives the lifting frame (2) to lift. The buffer (11) is set in correspondence with the fixed stop block (19). When the push rod structure (1) moves to the end stroke, it first absorbs the high-speed impact force through the buffer (11) and then stops at the fixed stop block (19) to complete the lifting and positioning.
2. The material conveying lifting and positioning mechanism according to claim 1, characterized in that: The material conveying lifting and positioning mechanism also includes an extension arm (10) and an extension arm cylinder (9). The extension arm (10) is movably connected to the lifting frame (2), and the extension arm cylinder (9) drives the extension arm (10) to extend and retract to adapt to the support requirements of different specifications of square tube bundles.
3. The material conveying lifting and positioning mechanism according to claim 2, characterized in that: The material conveying lifting and positioning mechanism also includes a sensor (15). The sensor (15) is installed on the lifting frame (2) or the push rod structure (1) to detect the lifting, extension or positioning status of the mechanism and realize automated control.
4. The material conveying lifting and positioning mechanism according to claim 3, characterized in that: The material conveying lifting and positioning mechanism also includes a rolling trolley (4), a roller (12) and a roller shaft (16). The rolling trolley (4) is connected to the bottom of the lifting frame (2), and the roller (12) is installed on the rolling trolley (4) through the roller shaft (16) to support the mechanism and assist its movement when switching work positions.
5. A material conveying lifting and positioning mechanism according to claim 4, characterized in that: The material conveying lifting and positioning mechanism also includes a fixed stop (18). The fixed stop bar (18) is vertically set on the side of the frame and works with the lifting frame (2) to limit its extreme position and prevent overtravel.
6. The material conveying lifting and positioning mechanism according to claim 5, characterized in that: The material conveying lifting and positioning mechanism also includes a rotating shaft (5) and a shaft retaining ring (17). The rotating shaft (5) is used to connect rotating components, and the shaft retaining ring (17) is sleeved on the rotating shaft (5) or roller shaft (16) to prevent shaft parts from falling off axially.
7. A material conveying lifting and positioning mechanism according to claim 6, characterized in that: The guide wheel (13) is mounted on the push rod structure (1) via the guide wheel shaft (14). The guide wheel shaft (14) is rotatably connected to the push rod structure (1), so that the guide wheel (13) can roll adaptively as the lifting frame (2) is lifted.