CN219469458U - Lifting appliance guiding and positioning device - Google Patents

Abstract

The utility model discloses a lifting appliance guiding and positioning device, which relates to the technical field of lifting and transferring, and comprises lifting appliance scissors, a bottom plate arranged at the tail end of the lifting appliance scissors, a workpiece holding arm arranged on the bottom plate for clamping a workpiece, a transferring and hanging assembly in butt joint fit with the workpiece holding arm, and a positioning assembly arranged at two diagonal angles of the bottom plate, wherein a guiding assembly in insertion fit with the positioning assembly is arranged below the positioning assembly; the guide assembly comprises a rail matching bracket, a guide rod which is in threaded fit with the rail matching bracket, and the guide rod is in threaded fit with the positioning assembly; the lifting appliance guiding and positioning device can solve the problem that automatic accurate positioning cannot be achieved when the lifting appliance descends to a fixed point for material grabbing and material placement.

Description

Lifting appliance guiding and positioning device

Technical Field

The utility model relates to the technical field of hoisting and transferring, in particular to a guiding and positioning device for a lifting appliance.

Background

In the work piece transfer processes of frames, containers, car bodies and the like, a lifting appliance is generally used for realizing lifting and transferring of the work pieces in different assembly areas. Wherein the lifting appliance can realize the automatic walking in the front-back and up-down directions through electric control. Lifting devices generally adopt electric hoist or belt to drive lifting device scissor fork components, and workpiece holding arms are arranged at the tail ends of lifting device scissor fork components. In the lifting and lifting process of the workpiece, the scissor fork component of the lifting tool has good stability, and can better realize fixed-point grabbing of the object.

However, when the lifting appliance needs to descend at a higher height, the lifting appliance scissor fork components move forwards, backwards, leftwards and rightwards, the accumulated amount is large, the stability is not high, automatic positioning cannot be well realized, and meanwhile, in the requirement of higher positioning requirement, certain errors exist in the lifting appliance, and accurate positioning cannot be realized; inaccurate work piece switching that causes easily of location fails, causes the work piece to drop the damage easily under the automatic state simultaneously, causes safety, quality, cost risk.

Disclosure of Invention

The utility model aims to provide a lifting appliance guiding and positioning device which is used for solving the problem that automatic and accurate positioning cannot be achieved when a lifting appliance descends to a fixed point to grab materials and place the materials.

The above-mentioned optimization structure of the utility model is realized through the following technical scheme: the lifting appliance guiding and positioning device comprises lifting appliance scissors and forks, a bottom plate arranged at the tail ends of the lifting appliance scissors and forks, a workpiece holding arm arranged on the bottom plate and used for clamping the workpiece, a turning and hanging assembly in butt joint fit with the workpiece holding arm, and positioning assemblies arranged at two diagonal angles of the bottom plate, wherein guiding assemblies in penetrating fit with the positioning assemblies are arranged below the positioning assemblies; the guide assembly comprises a rail pair support, and a guide rod which is in threaded fit with the rail pair support and is in threaded fit with the positioning assembly.

In some embodiments, the bottom plate is provided with a sensing device, and the sensing device comprises a first receiver and a second receiver which are arranged in parallel, and the first receiver is positioned above the second receiver; and a transmitter is arranged on the rail pair support close to one side of the sensing device.

In some embodiments, the positioning component is a hollow cylinder, a horn mouth is arranged at the bottom opening of the positioning component, and a conical tip is arranged at the top of the guide rod.

In some embodiments, a stiffener is provided between the rail pair support and the platform.

In some embodiments, the guide bar is adjustable in height on the counter rail bracket.

In some embodiments, the emitter is secured to the pair of rail brackets by a Z-shaped plate.

In summary, the utility model has the following beneficial effects:

according to the lifting appliance guiding and positioning device, the positioning components are arranged on the lifting appliance, the guiding components are arranged on two sides of a workpiece, and the workpiece holding arm and the transferring and hanging component are accurately positioned and butted in the workpiece loading and unloading process through the insertion and matching of the positioning components and the guiding components, so that the high-accuracy positioning and counterpoint in the workpiece transferring process is realized, the workpiece transferring requirements with high positioning accuracy requirements and higher lifting requirement positions are met, the workpiece transferring failure is reduced, and the butt joint rate in the workpiece transferring process is improved; simultaneously, the first receiver and the second receiver which are matched with the transmitter are arranged, so that the first receiver and the second receiver on the sensing device respectively receive signals sent by the transmitter in the descending process of the workpiece arm, the lifting scissors fork drives the descending speed of the workpiece arm to slow down to stop, the falling damage of the workpiece caused in an automatic state is reduced, and the safety, quality and cost risks are reduced.

Drawings

FIG. 1 is a block diagram of the present utility model;

FIG. 2 is a mating view of the workpiece cradle arm and swivel assembly of the present utility model;

fig. 3 is an enlarged view of the utility model at a.

In the figure: 1. lifting tool scissors fork; 11. a bottom plate; 2. a workpiece arm; 3. a swivel-mount assembly; 4. a positioning assembly; 5. a guide assembly; 51. a rail alignment bracket; 52. a guide rod; 6. an induction device; 61. a first receiver; 62. a second receiver; 7. a transmitter.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a workpiece to be transported is placed on a platform, a turning and hanging assembly 3 is connected to the workpiece, a lifting tool scissors fork 1 is arranged above the turning and hanging assembly 3, the lifting tool scissors fork 1 is used for controlling the lifting tool to move in the height direction, and the lifting tool scissors fork 1 can be driven by an electric hoist and can be driven by a belt; the tail end of the lifting tool scissors fork 1 is provided with a bottom plate 11, the bottom surface of the bottom plate 11 is provided with a workpiece holding arm 2 for clamping a workpiece to be operated, and the workpiece holding arm 2 is matched with a turning hanging point on the turning hanging assembly 3 so as to realize the lifting of the workpiece. The two sides of the bottom plate 11 are provided with positioning components 4, the positioning components 4 can be arranged at two opposite angles of the bottom plate 11, the positioning components 4 can be hollow cylinders through the limitation of two points on the diagonal lines, the positioning components 4 can be positioned in the transverse direction and the longitudinal direction, the bottom openings of the positioning components 4 can be in a horn shape, the two sides of a workpiece to be operated are provided with guide components 5, the guide components 5 comprise opposite rail brackets 51 fixed on a platform, the opposite rail brackets can be fixed through bolts, and the opposite rail brackets can be fixed through welding and concrete; a reinforcing rod can be arranged between the opposite rail bracket 51 and the platform, so that a triangular reinforcing support structure is formed between the opposite rail bracket 51 and the platform, and the firmness of the opposite rail bracket 51 on the platform is enhanced; the position offset generated by the unstable bottom when the positioning component 4 is matched with the guiding component 5 is avoided, so that the butt joint matching of the workpiece holding arm 2 and the hanging component 3 is influenced. Be equipped with guide bar 52 on the rail support 5, guide bar 52 accessible positioning module 4 to realize that the work piece is embraced arm 2 and is changeed the accurate location butt joint of hanging subassembly 3, the top of guide bar 52 can be equipped with the toper pointed end, and the toper pointed end is great with the deviation of positioning module 4's horn mouth size, makes guide bar 52 better pass positioning module 4, and guide bar 52 can be according to the scene demand on the rail support 51 to the high of guide bar 52, rotates guide bar 52, realizes the adjustment of guide bar 52 on rail support 51 through adjustment guide bar 52 and rail support 51 screw thread fit length. The bottom of one side of the bottom plate 11 is provided with the induction device 6, the induction device 6 is arranged between the positioning assembly 4 and the workpiece holding arm 2 and is close to the positioning assembly 4, the induction device 6 is provided with a first receiver 61 and a second receiver 62 which are parallel, the first receiver 61 is arranged above the second receiver 62, the opposite rail bracket 51 which is close to the induction device 6 is provided with the emitter 7, the emitter 7 can be fixed on the opposite rail bracket 51 through a Z-shaped plate, the emitter 7 can be positioned above the joint of the opposite rail bracket 51 and the guide rod 52, and the influence on the emitter 7 caused by adjusting the height of the guide rod 52 on the opposite rail bracket 51 is avoided; when the first receiver 61 receives the signal from the transmitter 7, the first receiver 61 feeds back the signal, the lowering speed of the spreader scissors 1 is reduced, and when the second receiver 62 receives the signal from the transmitter 7, the second receiver 62 feeds back the signal, and the spreader scissors 1 stops lowering.

The working flow of the utility model is as follows: the lifting tool moves to the position above the corresponding position of the workpiece, the lifting tool scissors fork 1 starts to descend, the positioning component 4 is contacted with the guiding component 5, the conical rod of the guiding component 5 guides to pass through the positioning component 4, the center of the workpiece holding arm 2 and the center of the turning component 3 are positioned on the same straight line, the lifting tool is prevented from moving in the front-back left-right direction generated by shaking in the descending process of the lifting tool scissors fork 1, the lifting tool scissors fork 1 continues to descend, when the first receiver 61 receives a signal sent by the transmitter 7, the first receiver 61 feeds back a signal, the lifting tool scissors fork 1 starts to decelerate, when the second receiver 62 receives a signal sent by the transmitter 7, the second receiver 62 feeds back a signal, the lifting tool scissors fork 1 stops descending, the workpiece holding arm 2 starts to be matched with a turning hanging point fixed on the workpiece turning component 3, the gripping of the workpiece is completed, the lifting tool scissors fork 1 lifts together with the workpiece, and the lifting tool is moved to the position above the workpiece to be placed;

the lifting tool scissors fork 1 descends to drive the workpiece holding arm 2 on the lifting tool scissors fork 1 and the workpiece on the turning hanging component 3 to descend together, the positioning component 4 is contacted with the guiding component 5, the conical rod of the guiding component 5 guides to pass through the positioning component 4 and descends continuously, when the first receiver 61 receives a signal sent by the transmitter 7, the first receiver 61 feeds back a signal, the lifting tool scissors fork 1 starts to decelerate, when the second receiver 62 receives a signal sent by the transmitter 7, the second receiver 62 feeds back a signal, the lifting tool scissors fork 1 stops descending, the workpiece holding arm 2 starts to shrink and is separated from the turning hanging point on the turning hanging component 3, the lifting tool is separated from the workpiece, and the lifting tool scissors fork 1 ascends to the initial height to complete the whole process of workpiece transferring.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (6)

1. The utility model provides a hoist direction positioner for transport the work piece on the platform, includes hoist scissors fork (1), locates bottom plate (11) at hoist scissors fork (1) end, locates on bottom plate (11) clamp workpiece hold arm (2), with work piece hold arm (2) butt joint complex change hang subassembly (3), its characterized in that still includes locates positioning component (4) of bottom plate (11) two diagonal angle department, positioning component (4) below be equipped with positioning component (4) interlude complex guide component (5); the guide assembly (5) comprises a rail opposite bracket (51), and a guide rod (52) which is in threaded fit with the rail opposite bracket (51), wherein the guide rod (52) is in threaded fit with the positioning assembly (4).

2. A spreader guiding and positioning device as claimed in claim 1, wherein: the bottom plate (11) is provided with an induction device (6), the induction device (6) comprises a first receiver (61) and a second receiver (62) which are arranged in parallel, and the first receiver (61) is positioned above the second receiver (62); and a transmitter (7) is arranged on the rail pair support (51) close to one side of the sensing device (6).

3. A spreader guiding and positioning device as claimed in claim 1, wherein: the positioning assembly (4) is a hollow cylinder, a horn mouth is arranged at the bottom opening of the positioning assembly (4), and a conical tip is arranged at the top of the guide rod (52).

4. A spreader guiding and positioning device as claimed in claim 1, wherein: a reinforcing rod is arranged between the rail pair support (51) and the platform.

5. A spreader guiding and positioning device as claimed in claim 3, wherein: the height of the guide rod (52) on the rail-pairing bracket (51) can be adjusted.

6. A spreader guiding and positioning device as claimed in claim 2, wherein: the emitter (7) is fixed on the pair of rail brackets (51) through a Z-shaped plate.