CN211619846U

CN211619846U - Automatic unloading machine for long-strip section material

Info

Publication number: CN211619846U
Application number: CN201922462977.6U
Authority: CN
Inventors: 林述温; 黄孙灼; 陈剑雄
Original assignee: Fuzhou University
Current assignee: Fuzhou University
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-02
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a rectangular section material automatic discharging machine, including base, work or material rest, lifting mechanism, hold-in range (or chain) transmission system, left guiding device, last guiding device, the work or material rest articulated with the base through the work or material rest bearing to do the left and right oscillations relative to the base under the drive of work or material rest cylinder (or hydro-cylinder), the work or material rest on be equipped with 2-4 groups side deflector and two location axle, 2-4 groups automatic clamping device link firmly in the frame of work or material rest, lifting mechanism on be equipped with lifting bracket, bracket connecting rod, 1-4 groups lifting lead screw and nut, all fixedly connected linear guide post on the lifting bracket, linear guide post and guide pin bushing sliding fit, the guide pin bushing fixedly connected on the work or material rest, every bracket connecting rod corresponds fixedly connected 2 groups lifting bracket, the utility model discloses can unload rectangular section material layer by layer loaded in the turnover frame, realize that rectangular section bar material is high-efficient automatic discharge and carry, labour saving and time saving, convenient and fast.

Description

Automatic unloading machine for long-strip section material

The technical field is as follows:

the utility model relates to a rectangular section bar machinery of unloading, especially a rectangular section bar material automatic discharge machine.

Background art:

the stock of finished products of long-strip-shaped profiles such as aluminum profiles is usually loaded by turnover frames, then the turnover frames filled with the aluminum profiles are stacked together in rows in a warehouse, and the prior warehouse-out and loading of finished products of long-strip-shaped profiles mainly depends on manual handling of the profiles from the turnover frames one by one to realize unloading and loading, so that the labor intensity is high, and the efficiency is low. Therefore, the mechanical equipment for automatically discharging the long-strip-shaped section bars is urgently needed to be developed to replace manual operation, so that the efficient automatic discharging and conveying of the section bars are realized, and a foundation is laid for further realizing intelligent discharging and carrying in the logistics process of the long-strip-shaped section bars.

The invention content is as follows:

an object of the utility model is to provide a rectangular section bar material automatic discharge machine, especially a rectangular section bar material automatic discharge machine's mechanical structure, this rectangular section bar material automatic discharge machine can realize that rectangular section bar material automatic discharge who adorns in the turnover frame, the smooth stand to improve the speed of unloading and reduce intensity of labour.

The utility model discloses an automatic unloader for strip section materials, which comprises a base, a material rack, a lifting mechanism, a synchronous belt or a chain transmission system, 1-4 groups of material rack air cylinders or oil cylinders, a material rack bearing, a left guide device and an upper guide device, wherein the material rack comprises a rack, 2-4 groups of automatic clamping devices, 2-4 groups of side guide plates and two positioning shafts, the material rack is hinged with the base through the material rack bearing and swings left and right relative to the base under the drive of the material rack air cylinders or the oil cylinders, the limit position swinging right is limited by a right limit component of the material rack, the limit position swinging left is limited by a left limit component of the material rack, the material rack is provided with 2-4 groups of side guide plates and two positioning shafts for guiding a turnover frame provided with strip section materials to be correctly placed on a working face A of the material rack, the 2-4 groups of automatic clamping devices are fixedly connected on the rack of the material, the material rack locking mechanism is used for locking the turnover frame on the work surface A of the material rack, and the turnover frame and the material rack swing left and right relative to the base under the driving of the material rack air cylinder.

Furthermore, the lifting mechanism comprises 2-8 groups of lifting brackets, linear guide rail columns, guide sleeves, 1-4 groups of bracket connecting rods, 1-4 groups of lifting screw rods, nuts, upper bearings and lower bearings, the linear guide rail columns of the lifting mechanism are fixedly connected on the lifting brackets, the guide sleeves are fixedly connected on the material rest and are in sliding fit with the guide sleeves, the 2-8 groups of lifting brackets are fixedly connected with the linear guide rail columns on each group of lifting brackets, the lower part of each 2 groups of lifting brackets is correspondingly and fixedly connected with 1 bracket connecting rod, two ends of each bracket connecting rod are respectively and fixedly connected with 1 group of lifting brackets, the middle parts of the bracket connecting rods are respectively provided with a lifting screw rod nut pair, the nuts are fixedly connected with the bracket connecting rods, and the 2-8 groups of lifting brackets are corresponding to 1-4 groups of bracket connecting rods and lifting screw nut pairs, the lifting screw rods are connected with the material rack through upper bearings and lower bearings, 1-4 groups of lifting screw rods keep synchronous rotation through a synchronous belt (or chain) transmission system, and 1-4 groups of bracket connecting rods and corresponding 2-8 groups of lifting brackets move up and down synchronously through lifting screw rod nut pairs.

Further, the synchronous belt or chain transmission system comprises a bracket vertical driving motor, a coupler, a support shaft, a belt wheel (I), a transmission belt (I), a belt wheel (II), a belt wheel (III), a transmission belt (II), a belt wheel (IV) and a belt wheel (IV), and other groups of belt wheels, transmission belts and intermediate transmission shaft parts, wherein a motor base of the bracket vertical driving motor is fixedly connected on a rack of the rack through a support, one end of the support shaft is connected with an output shaft of the bracket vertical driving motor through the coupler, 3 belt wheels are fixedly connected on the support shaft, or more belt wheels are, the belt wheel (IV) is fixedly connected with the end part of 1 group of lifting screw rods on the lifting mechanism, the belt wheel (III) on the supporting shaft is connected with the lifting screw rods on the lifting mechanism through a transmission belt (II) and a belt wheel (IV) and transmits the rotation of the output shaft of the bracket vertical driving motor to the lifting screw rods, the second belt wheel (I) fixedly connected on the supporting shaft is connected with the middle transmission shaft (I) through a transmission belt (I) and a belt wheel (V), and is connected with the middle transmission shaft (II) through a belt wheel (six), a transmission belt (III) and a belt wheel (seven) fixedly connected on the middle transmission shaft (I), and is connected with the second group of lifting screw rods on the lifting mechanism through a belt wheel (eight), a transmission belt (IV) and a belt wheel (nine) fixed at the end part of the second group of screw rods, in this way, other belt wheels fixedly connected to the supporting shaft are connected with a third group and a fourth group of lifting screw rods on the lifting mechanism through a plurality of other groups of transmission belts and belt wheels, and further the vertical driving motor of the bracket drives 2-4 groups of lifting screw rods to synchronously rotate through a transmission system consisting of a plurality of groups of synchronous belts or chains and belt wheels or chain wheels, and drives corresponding 2-8 groups of lifting brackets to synchronously move up and down under the action of nuts matched with the lifting screw rods and the guidance of the linear guide rail columns and the guide sleeves.

Furthermore, the left guide device comprises a left guide frame, a driving cylinder or oil cylinder, a bearing and a limiting block (I), the left guide frame is connected with the rack of the material rack through the bearing and swings left and right relative to the material rack under the action of the driving cylinder or oil cylinder, the left guide frame is provided with the limiting block (I), a guide surface B and a vertical guide inclined surface C, the vertical guide inclined surface C inclines for 5-15 degrees relative to the vertical direction, the limiting block (I) is used for limiting the limit value of the left guide device swinging right, the limit position of the left guide device swinging right is called a closed state, and the limit position of the left guide device swinging left is called an open state.

Further, the upper guiding device comprises 1-3 groups of guide rods, an upper guiding frame, a guide rod bearing, a bearing seat, 1-2 swinging power components, a guiding frame lifting power cylinder (or oil cylinder), a limiting screw rod, a limiting block (II), a guiding frame sliding linear guide rail column and a guide sleeve, wherein the guide rods are connected with the bearing seat through the guide rod bearing, the bearing seat is fixedly connected on the upper guiding frame, one end of each guide rod is connected with the swinging power components (such as an air pressure corner cylinder, an oil pressure corner cylinder, an air cylinder or an oil cylinder) through a coupler, when 1 swinging power component is adopted, the guide rods are connected with the swinging power components (such as the air pressure corner cylinder, the oil pressure corner cylinder, the air cylinder or the oil cylinder) through a transmission belt and a belt pulley, so that the 1 swinging power component simultaneously drives a plurality of groups of guide rods to swing, the upper guiding frame is provided with the sliding linear guide, the guide frame sliding linear guide rail column is in sliding fit with the guide sleeve, the guide sleeve is fixedly connected to a rack of the rack, a limiting block (II) is arranged on the upper guide frame, a limiting screw is fixed to the rack of the rack, the upper guide device is provided with a guide frame lifting power cylinder (or oil cylinder), one end of the guide frame lifting power cylinder (or oil cylinder) is fixed to the upper guide frame, the other end of the guide frame lifting power cylinder (or oil cylinder) is fixed to the rack of the rack, the upper guide frame moves up and down relative to the rack under the action of the guide frame lifting power cylinder (or oil cylinder) and the guide of the guide frame sliding linear guide rail column and the guide sleeve, and the limiting screw contacts the limiting block (II) to limit the highest position.

Furthermore, the left side of base be equipped with left stop screw, the extreme position of the work or material rest left pendulum is realized injecing through the contact of the work or material rest left stop component of work or material rest and left stop screw, the right side of base be equipped with right stop screw, the extreme position of the work or material rest right pendulum is realized injecing through the contact of the work or material rest right stop component of work or material rest and right stop screw.

Further, 1-4 groups of lifting screw rods and nuts included in the lifting mechanism or 1-4 groups of lifting oil cylinder structures are adopted to replace lifting screw rod and nut pairs, under the condition, a bracket vertical driving motor, a coupler and a synchronous belt or chain transmission system are not required to be arranged, and the corresponding structures are as follows: the middle of each bracket connecting rod is provided with a lifting oil cylinder, one end of each lifting oil cylinder is hinged to the bracket connecting rod, the other end of each lifting oil cylinder is hinged to the rack of the material rack, 2-8 groups of lifting brackets correspond to 1-4 groups of bracket connecting rods and the lifting oil cylinders, the lateral part of each lifting mechanism is provided with a displacement sensor, and the 1-4 groups of lifting oil cylinders enable the 2-8 groups of lifting brackets and the corresponding 1-4 groups of bracket connecting rods to synchronously move up and down through a hydraulic control system.

The utility model discloses a working method of an automatic unloading machine for long-strip section materials, in the process of placing a turnover frame provided with long-strip sections on the A surface of a rack of the rack, the turnover frame is correctly positioned on the A surface of the rack under the guiding action of a side guide plate and two positioning shafts of the rack, an automatic clamping device on the rack locks the turnover frame on the working surface A of the rack after the positioning, a left guide frame of a left guide device is then swung rightwards around a bearing relative to the rack under the action of a power driving cylinder or an oil cylinder until a limit block (I) on the turnover frame touches the left surface of the turnover frame, and meanwhile, an upper guide frame of the upper guide device moves upwards along a guide frame sliding linear guide rail column under the action of a guide frame lifting power cylinder or an oil cylinder, after the guide bar is moved to the right position, the guide bar rotates to the direction vertical to the length direction of the rack around a guide bar bearing under the action of a swinging power, 2-8 groups of lifting brackets of the lifting mechanism lift up the strip section materials in the turnover frame to a certain height under the action of a bracket vertical driving motor, namely the bottom surface of the uppermost layer of strip section materials in the turnover frame is higher than an upper guide surface B, then the material rest and the turnover frame are driven by a material rest air cylinder (or an oil cylinder) to swing leftwards around the center of a material rest bearing relative to the base, until a left limiting component of the material rest on the material rest contacts a left limiting screw rod on the base, the material rest and the turnover frame stop swinging leftwards together, and at the moment, the uppermost layer of section materials in the inclined turnover frame slides leftwards out of the turnover frame under the action of gravity and inertia force and slides onto a discharging conveyor belt along the guide surface B on the left guide device, so that a layer of section materials is automatically discharged and spread out of the turnover frame; the guide rod on the upper guide device is used for limiting and guiding the sectional material materials in the turnover frame to sequentially slide and unload layer by layer to prevent the long-strip sectional material from overturning and unloading layer by layer, after the turnover frame swings to a limited position leftwards along with the material rack, the material rack and the turnover frame swing rightwards and back to the original position relative to the base under the driving of the material rack air cylinder (or oil cylinder) until the right limiting component of the material rack on the material rack contacts with the right limiting screw rod on the base, namely the right limiting component of the material rack and the turnover frame swing rightwardsReturning to the original position to finish the first unloading circulation; then, the second unloading is started, namely 2-8 groups of lifting brackets of the lifting mechanism jack the strip section material in the turnover frame to a certain height under the action of the bracket vertical driving motor, namely, the bottom surface of the uppermost layer of section material in the turnover frame is higher than the upper guide surface B, and then the material rack and the turnover frame are driven by a material rack air cylinder (or oil cylinder) to swing obliquely leftwards relative to the base around the center of a material rack bearing until the material rack is loaded with the material rackMaterial rackThe left limiting component is contacted with a left limiting screw rod of the material rack on the base, the material rack and the turnover frame stop swinging left together, at the moment, the uppermost layer of profile material in the inclined turnover frame slides out of the turnover frame leftwards under the action of gravity and inertia force and slides onto the discharging conveyor belt along a guide surface B on the left guide device, automatic discharging and spreading of the profile material on one layer of the turnover frame are completed, then the material rack and the turnover frame swing back to the original position rightwards relative to the base under the driving of a material rack air cylinder (or oil cylinder) until a right limiting component of the material rack on the material rack is contacted with a right limiting screw rod on the base, namely the material rack and the turnover frame swing back to the original position rightwards, and the second discharging circulation is completed; the unloading is continuously and circularly reciprocated, until all the section materials in the turnover frame are unloaded, the left guide frame of the left guide device swings to the limit position leftwards, meanwhile, 2-3 groups of guide rods on the upper guide device rotate to the direction parallel to the length direction of the material frame around the guide rod bearing under the action of the swinging power component, and then the upper guide frame slides along the guide frame to move downwards to the original position under the action of the lifting power cylinder (or oil cylinder) of the guide frame, so that the turnover frame can be removed.

The utility model discloses can unload, spread out the platform such as conveyer belt with rectangular section bar material successive layer of dress in the turnover frame, realize that the high-efficient automatic discharge of rectangular section bar material is carried, labour saving and time saving, convenient and fast.

Description of the drawings:

FIG. 1 is a schematic view of the overall front view structure of the present invention;

FIG. 2 is a cross-sectional view of the state structure A-A of FIG. 1 according to the present invention;

FIG. 3 is a cross-sectional view of the structure B-B of FIG. 1 according to the present invention;

fig. 4 is a schematic structural view of the overall top view of the present invention;

FIG. 5 is a structural diagram of the utility model in a rear view;

FIG. 6 is a cross-sectional view of the structure C-C of the present invention;

FIGS. 7 and 8 are partial views of FIG. 1;

FIGS. 9, 10 are partial views of FIG. 4;

FIGS. 11, 12 are partial views of FIG. 5;

in the figure: 10-a base; 11-left limit screw, 12-right limit screw, 20-material rack cylinder (or oil cylinder); 30-a lifting mechanism; 31-lifting the carriage; 32-linear guide rail columns; 33-lifting screw rod; 34-a nut; 35-bracket connecting rod; 36-an upper bearing; 37-a guide sleeve; 38-lower bearing; 40-a material rack; 41-a frame; 42-positioning the shaft; a 43-side guide plate; 44-automatic clamping means; 45-a rack right stop member; 46-a rack left stop member; 50-left guide means; 51-driving cylinder (or oil cylinder); 52-a bearing; 53-left guide frame; 54-a stopper (one); 60-a rack bearing; 70-synchronous belt or chain drive system; 71-bracket vertical drive motor; 72-a coupling; 73-support shaft; 74-pulley (one); 75-pulley (two); 76-pulley (III); 77-Transmission Belt (one); 78-drive belt (two); 79-pulley (IV); 80-pulley (V); 81-pulley (six); 82-intermediate drive shaft (one); 83-drive belt (III); 84-pulley (seven); 85-intermediate transmission shaft (II); 86-pulley (eight); 87-drive belt (IV); 88-pulleys (nine); 89-transmission belt (five); 90-pulley (ten); 91-a transmission shaft; 92-pulley (eleven); 93-drive belt (six); 94-pulleys (twelve); 100-an upper guide; 101-a guide rod; 102-an upper guide frame; 103-a guide rod bearing; 104-a bearing seat; 105-a pendulum power component; 106-guide frame lifting power cylinder or oil cylinder; 107-limit screw; 108-a stopper (two); 109-the guide frame slides the linear guide rail column; 110-a guide sleeve; 111-a coupling; 112-a drive shaft; k-turnover frame.

The specific implementation mode is as follows:

the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Taking the structure of an automatic long-strip-shaped material discharging machine provided with 6 sets of lifting brackets, 2 sets of rack cylinders or oil cylinders, 4 sets of automatic clamping devices and 4 sets of side guide plates as an example, as shown in fig. 1 to 12, the structure of the automatic long-strip-shaped material discharging machine comprises a base 10, 2 sets of rack cylinders (or oil cylinders) 20, a lifting mechanism 30, a rack 40, a left guide device 50, a rack bearing 60, a synchronous belt transmission system 70 and an upper guide device 100.

In this example, the material rack 40 includes a frame 41, two positioning shafts 42, 4 sets of side guide plates 43, 4 sets of automatic clamping devices 44, a right material rack limiting member 45, and a left material rack limiting member 46, the material rack 40 is hinged to the base 10 through a material rack bearing 60, and swings left and right (swings left and right as shown in fig. 2 and 3) relative to the base 10 under the driving of a material rack cylinder or oil cylinder 20, a limit position of the swing right is defined by the right material rack limiting member 45, a limit position of the swing left is defined by the left material rack limiting member 46, and the material rack 40 is provided with 4 sets of side guide plates 43 and two positioning shafts 42 for guiding the material rack 40Is provided withThe turnover frame of the long-strip section bar is correctly placed on the working surface A of the material rack 40, the 4 groups of automatic clamping devices 44 are fixedly connected to the rack 41 of the material rack 40 and used for locking the turnover frame K on the working surface A of the material rack 40, and the turnover frame K and the material rack 40 are driven by the material rack air cylinder or oil cylinder 20 to swing left and right (to swing left and right as shown in figures 2 and 3) relative to the base 10.

In this example, the lifting mechanism 30 includes 6 sets of lifting brackets 31, 6 sets of linear guide rail columns 32 and guide sleeves 37, 3 sets of lifting screw rods 33 and nuts 34, 3 sets of bracket connecting rods 35, 3 sets of upper bearings 36 and lower bearings 38, the linear guide rail columns 32 of the lifting mechanism are fixedly connected to the lifting brackets 31, the linear guide rail columns 32 are in sliding fit with the guide sleeves 37, the guide sleeves 37 are fixedly connected to the frame 41 of the rack 40, the 6 sets of lifting brackets 31 are fixedly connected to each set of lifting brackets 31, the lower portion of each set of lifting brackets 31 is correspondingly and fixedly connected to the bracket connecting rods 35, each bracket connecting rod 35 is fixedly connected to 1 set of lifting brackets 31 at two end portions, that is, each 2 sets of lifting brackets 31 are fixedly connected to 1 bracket connecting rod 35, a lifting screw rod nut pair is arranged in the middle of each bracket connecting rod 35, the nut 34 is fixedly connected with the bracket connecting rod 35, 6 groups of lifting brackets 31 correspond to 3 groups of bracket connecting rods 35 and lifting screw

rod nut pairs

33 and 34, the lifting screw rods 33 are connected with a rack 41 of the material rack 40 through upper bearings 36 and lower bearings 38, the 3 groups of lifting screw rods 33 keep synchronous rotation through a synchronous belt transmission system 70, and then the 6 groups of lifting brackets 31 and the corresponding 3 groups of bracket connecting rods 35 synchronously move up and down through the lifting screw

rod nut pairs

33 and 34.

The synchronous belt transmission system 70 comprises a bracket vertical driving motor 71, a coupler 72, a supporting shaft 73, a synchronous belt wheel (I) 74, a synchronous belt wheel (II) 75, a synchronous belt wheel (III) 76, a synchronous transmission belt (I) 77, a synchronous transmission belt (II) 78, a synchronous belt wheel (IV) 79, a synchronous belt wheel (V) 80, a synchronous belt wheel (VI) 81, a middle transmission shaft (I) 82, a synchronous transmission belt (III) 83, a synchronous belt wheel (VII) 84, a middle transmission shaft (II) 85, a synchronous belt wheel (VIII) 86, a synchronous transmission belt (IV) 87, a synchronous belt wheel (IX) 88, a synchronous transmission belt (V) 89, a synchronous belt wheel (VI) 90, a transmission shaft 91, a synchronous belt wheel (eleven) 92, a synchronous transmission belt (VI) 93 and a synchronous belt wheel (twelve) 94, wherein the supporting shaft 73 is fixedly connected with 3 synchronous belt wheels (III), namely, the synchronous belt wheels (I) 74, II, A synchronous pulley (II) 75 and a synchronous pulley (III) 76), the lower end of the supporting shaft 73 is connected with the output shaft of the bracket vertical driving motor 71 through a coupling 72, the motor base of the bracket vertical driving motor 71 is fixedly connected on the rack 41 of the rack through a bracket, the synchronous pulley (III) 76 fixedly connected on the supporting shaft 73 is connected with the lifting screw rod 33 through a synchronous transmission belt (II) 78 and a synchronous pulley (IV) 79, the synchronous pulley (IV) 79 is fixedly connected at one end of the lifting screw rod 33, the second synchronous pulley (I) 74 fixedly connected on the supporting shaft 73 is connected with the middle transmission shaft (I) 82 through a synchronous transmission belt (I) 77 and a synchronous pulley (V) 80, and then the second synchronous pulley (I) 74, the synchronous transmission belt (III) 83 and the synchronous pulley (VII) 84 on the middle transmission shaft (II) 85 are used for transmitting the rotation to the middle transmission shaft (II) 85 through a synchronous pulley (VI) 81, a synchronous transmission belt (III) 83 and a synchronous pulley (IV), a synchronous pulley (eight) 86, a synchronous transmission belt (four) 87 and a synchronous pulley (nine) 88 on an intermediate transmission shaft (two) 85, wherein the rotation is transmitted to the second group of lifting screw rods 33, the synchronous pulley (five) 80 and the synchronous pulley (six) 81 are fixedly connected to the intermediate transmission shaft (one) 82, the synchronous pulley (seven) 84 and the synchronous pulley (eight) 86 are fixedly connected to the intermediate transmission shaft (two) 85, the synchronous pulley (nine) 88 is fixedly connected to the end part of the second group of lifting screw rods 33 and is connected with the second group of lifting screw rods 33, the third synchronous pulley (two) 75 fixedly connected to the support shaft 73 is connected with a transmission shaft 91 through a synchronous transmission belt (five) 89 and a synchronous pulley (ten) 90, the synchronous pulley (ten) 90 and a synchronous pulley (eleventh) 92 are fixedly connected to the transmission shaft 91, and the synchronous pulley (eleventh) 92 on the transmission shaft 91 is connected with the second group of lifting screw rods 33 through a synchronous transmission belt (six) 93 and a synchronous pulley (twelve) 94 The three groups of lifting screw rods 33 are connected, the synchronous belt wheel (twelve) 94 is fixedly connected with the end part of the third group of lifting screw rods 33, and further the bracket vertical driving motor 71 drives the three groups of lifting screw rods 33 to synchronously rotate through the synchronous belt transmission system 70, and drives the corresponding 6 groups of lifting brackets 31 to synchronously move up and down under the action of the nuts 34 matched with the lifting screw rods 33 and the guidance of the linear guide rail columns 32 and the guide sleeves 37.

The left guide device 50 comprises a driving air cylinder or oil cylinder 51, a bearing 52, a left guide frame 53 and a limit block (I) 54, the left guide frame 53 is connected with the material frame 40 through the bearing 52 and swings left and right relative to the material frame 40 under the action of the driving air cylinder or oil cylinder 51, the left guide frame 53 is provided with the limit block (I) 54, a guide surface B and a vertical guide inclined surface C, the vertical guide inclined surface C inclines for 5-15 degrees relative to the vertical direction, the limit block (I) 54 is used for limiting the limit position of the left guide device 50 swinging rightwards, the limit position of the left guide device 50 swinging rightwards is called as a closed state, and the limit position of the leftward swinging is called as an open state.

In this embodiment, the upper guiding device 100 includes 2 sets of guide rods 101, an upper guiding frame 102, 2 sets of guide rod bearings 103 and bearing seats 104, and a swing deviceThe guide frame lifting device comprises a force component 105, a guide frame lifting power cylinder or oil cylinder 106, a limit screw 107, a limit block (II) 108, a guide frame sliding linear guide rail column 109 and a guide sleeve 110, wherein the guide rod 101 is connected with a bearing seat 104 through a guide rod bearing 103, the bearing seat 104 is fixedly connected on an upper guide frame 102, one end of the guide rod 101 is connected with a swinging power component 105 (such as an air pressure corner cylinder and an oil pressure corner cylinder) through a transmission shaft 112 and a coupler 111, the upper guide frame 102 is fixedly connected with the guide frame sliding linear guide rail column 109, the guide frame sliding linear guide rail column 109 is in sliding fit with the guide sleeve 110, and the guide sleeve 110 is fixedly connected on a material rack40The upper guide frame 102 is provided with a limit block (two) 108, the limit screw 107 is fixed on the frame 41 of the material frame, the upper guide device 100 is provided with a guide frame lifting power cylinder (or oil cylinder) 106, one end of the upper guide frame lifting power cylinder (or oil cylinder) 106 is fixed on the upper guide frame 102, and the other end is fixed on the material frame40Under the action of a guide frame lifting power cylinder (or oil cylinder) 106 and the guide of a guide frame sliding linear guide rail column 109 and a guide sleeve 110, the upper guide frame 102 is opposite to the material frame40The frame 41 vertically moves up and down, the limit screw 107 contacts the limit block (II) 108 to limit the highest position of the upward movement of the upper guide frame, and the highest position of the upward movement can be adjusted by adjusting the limit screw 107, so that the upper guide device can adapt to the discharging guidance of sectional materials with different sections.

In this example, the left side of the base 10 is provided with a left limit screw 11, the limit position of the left pendulum of the material rack 40 is limited by the contact with the left limit member 46 of the material rack on the material rack 40, the right side of the base 10 is provided with a right limit screw 12, and the limit position of the right pendulum of the material rack 40 is limited by the contact with the right limit member 45 of the material rack on the material rack 40.

The working principle is as follows: during the process of placing the transfer frame K with the elongated section bar on the a face of the frame 41 of the stack 40, the transfer frame is correctly positioned on the stack under the guiding action of the side guides 43 and the two positioning shafts 42 of the stack 4040 ofOn the A side of the frame 41, the automatic clamping device 44 on the rack 40 locks the transfer frame to the rack 40 after the frame is in placeOn the working surface a, under the action of the driving cylinder (or oil cylinder) 51, the left guide frame 53 of the left guide device 50 swings to the right relative to the material rack 40 around the bearing 52 until the limit block (one) 54 thereon touches the left side surface of the revolving frame, and at the same time, the upper guide frame 102 of the upper guide device 100 moves upwards under the action of the guide frame lifting power cylinder (or oil cylinder) 106 and the guide of the guide frame sliding linear guide rail 109, after moving to the right, the guide rod 101 rotates around the guide rod bearing 103 to the direction perpendicular to the length direction of the material rack 40 under the action of the swing power part 105, then 6 groups of lifting brackets 31 of the lifting mechanism 30 lift the long strip material in the revolving frame to a certain height under the action of the bracket vertical driving motor 71 (namely, the bottom surface of the uppermost layer of the material in the revolving frame is higher than the upper guide surface B), and then the material rack 40 and the revolving frame together are driven by the material rack (or oil cylinder) 20 to rotate around the bearing 60 relative to the base 10 around the bearing 60 The center swings obliquely leftwards until the left limiting component 46 of the material rack on the material rack 40 contacts the left limiting screw rod 11 on the base 10, the material rack 40 and the turnover frame stop swinging leftwards together, at the moment, the uppermost layer of profile material in the oblique turnover frame slides leftwards out of the turnover frame under the action of gravity and inertia force and slides onto a discharging conveyor belt along a guide surface B on the left guide device 50, and therefore, one layer of profile material is automatically discharged and flatly spread out of the turnover frame.

The guide rod 101 on the upper guide device 100 is used for limiting and guiding the section materials in the turnover frame to slide and unload in order layer by layer, so that the strip section materials are prevented from overturning and unloading layer by layer. When the turnover frame swings to a limited position leftwards along with the material rack 40, the material rack 40 and the turnover frame swing back to the right in situ relative to the base 10 under the driving of the material rack air cylinder (or oil cylinder) 20 until a material rack right limiting component 45 on the material rack 40 contacts with a right limiting screw 12 on the base 10, namely the material rack 40 and the turnover frame swing back to the right in situ, and the first unloading cycle is completed; then, the second discharging is started, that is, the 6 groups of lifting brackets 31 of the lifting mechanism 30 lift up the long section material in the revolving frame to a certain height under the action of the bracket vertical driving motor 71 (that is, the bottom surface of the uppermost layer of section material in the revolving frame is higher than the upper guiding surface B), then the material rack 40 and the revolving frame are driven by the material rack air cylinder (or oil cylinder) 20 to swing obliquely leftwards around the center of the material rack bearing 60 relative to the base 10 again until the left limiting member 46 of the material rack on the material rack 40 contacts the left limiting screw rod 11 on the base 10, the material rack 40 and the revolving frame stop swinging leftwards together, at this time, the uppermost layer of section material in the oblique revolving frame slides leftwards out of the revolving frame under the action of gravity and inertia force and slides onto the discharging conveyor belt along the guiding surface B on the left guiding device 50, and the automatic discharging and leveling of the section material of the layer in the revolving frame are completed, then the material rack 40 and the turnover frame swing rightwards and back to the original position relative to the base 10 under the driving of the material rack air cylinder (or oil cylinder) 20 until the material rack right limiting component 45 on the material rack 40 contacts with the right limiting screw 12 on the base 10, namely the material rack 40 and the turnover frame swing rightwards and back to the original position, and the second unloading circulation is completed; the discharging is continuously and circularly repeated until all the sectional materials in the turnover frame are discharged, the left guide frame 53 of the left guide device 50 swings to the extreme position leftwards, meanwhile, the 2 groups of guide rods 101 on the upper guide device 100 rotate around the guide rod bearings 103 to the direction parallel to the length direction of the material frame 40 under the action of the swinging power part 105, and then the upper guide frame 102 moves downwards to the original position along the guide frame sliding linear guide rail column 109 under the action of the guide frame lifting power cylinder (or oil cylinder) 106, so that the turnover frame can be removed.

Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.

Also, above-mentioned the utility model discloses if disclose or related to mutually fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the terms used in any aspect of the present disclosure include the similar, analogous or similar states or shapes unless otherwise stated.

The utility model provides an arbitrary part or component both can be assembled by a plurality of solitary component parts and form, also can be for the solitary part that integrated into one piece technology made.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides an automatic unloader of rectangular section bar material which characterized in that: comprises a base (10), a material rack (40), a lifting mechanism (30), a synchronous belt or chain transmission system (70), 1-4 groups of material rack cylinders or oil cylinders (20), a material rack bearing (60), a left guide device (50) and an upper guide device (100);

the material rack (40) comprises a rack (41), 2-4 groups of automatic clamping devices (44), 2-4 groups of side guide plates (43) and two positioning shafts (42), wherein the material rack (40) is hinged with the base (10) through a material rack bearing (60) and swings left and right relative to the base (10) under the driving of a material rack air cylinder or oil cylinder (20), the limit position of the rightward swinging is limited by a material rack right limiting component (45), and the limit position of the leftward swinging is limited by a material rack left limiting component (46);

the automatic material conveying device is characterized in that the material rack is provided with 2-4 groups of side guide plates (43) and two positioning shafts (42) for guiding a turnover frame of a long-strip-shaped material to be correctly placed on a working face A of a rack (41) of the material rack (40), the 2-4 groups of automatic clamping devices (44) are fixedly connected to the rack (41) of the material rack and used for locking the turnover frame on the working face A of the material rack, and the turnover frame (K) and the material rack (40) swing left and right relative to a base (10) under the driving of a material rack air cylinder or oil cylinder (20).

2. The automatic unloading machine for long strip material according to claim 1, wherein: the lifting mechanism (30) comprises 2-8 groups of lifting brackets (31), linear guide rail columns (32), guide sleeves (37), 1-4 bracket connecting rods (35), 1-4 groups of lifting screw rods (33), nuts (34), an upper bearing (36) and a lower bearing (38), the lifting brackets (31) are fixedly connected with the linear guide rail columns (32), the linear guide rail columns (32) are in sliding fit with the guide sleeves (37), the guide sleeves (37) are fixedly connected onto a material rest (40), the lower parts of the lifting brackets (31) are fixedly connected with 1 bracket connecting rod (35) correspondingly, each bracket connecting rod (35) is fixedly connected with 2 groups of lifting brackets (31) correspondingly, the 2 groups of lifting brackets (31) are fixedly connected to the two ends of each bracket connecting rod (35) respectively, the middle parts of the bracket connecting rods (35) are provided with lifting screw rod nut pairs, the nuts (34) of the lifting screw rod nut pairs are fixedly connected with the middle parts of the bracket connecting rods (35), 2-8 group lift bracket (31) correspond 1-4 group bracket connecting rod (35) and lift screw-nut pair, lift lead screw (33) of lifting screw-nut pair be connected with frame (41) of work or material rest (40) through upper bearing (36), lower bearing (38), 1-4 group lift lead screw (33) keep synchronous rotation through hold-in range or chain drive system (70), make 2-8 group lift bracket (31) and corresponding 1-4 group bracket connecting rod (35) reciprocate in step through lifting screw-nut pair.

3. The automatic unloading machine for long strip material according to claim 1, wherein: the synchronous belt or chain transmission system (70) comprises a bracket vertical driving motor (71), a supporting shaft (73), a belt wheel I (74), a transmission belt I (77), a belt wheel II (75), a belt wheel III (76), a transmission belt II (78), a belt wheel IV (79), a middle transmission shaft I (82), a belt wheel V (80), a transmission belt III (83), a belt wheel VI (81), a middle transmission shaft II (85), a belt wheel VII (84), a transmission belt IV (87), a belt wheel VIII (86), a belt wheel nine (88), a transmission belt V (89), a belt wheel V (90), a transmission shaft (91), a belt wheel eleven (92), a transmission belt VI (93) and a belt wheel twelve (94), wherein a motor base of the bracket vertical driving motor (71) is fixedly connected to a rack (41) of the rack through a support, one end of the supporting shaft (73) is connected with an output shaft of the bracket vertical driving motor (, the lifting mechanism is characterized in that the supporting shaft (73) is fixedly connected with 2-4 belt wheels, the first belt wheel (74) is fixedly connected to the supporting shaft (73), the fourth belt wheel (79) is fixedly connected to the end part of 1 group of lifting screw rods on the lifting mechanism, the third belt wheel (76) on the supporting shaft (73) is connected with the 1 group of lifting screw rods on the lifting mechanism through the second driving belt (78) and the fourth belt wheel (79), the rotation of the output shaft of the bracket vertical driving motor is transmitted to the lifting screw rods (33), the second belt wheel (74) fixedly connected to the supporting shaft (73) is connected with the first middle driving shaft (82) through the first driving belt (77) and the fifth belt wheel (80), and then is connected with the second middle driving shaft through the sixth belt wheel (81), the third driving belt (83) and the seventh belt wheel (84) fixedly connected to the first middle driving shaft (82), the other belt wheels fixedly connected to the supporting shaft (73) are connected with a third group of lifting screw rods (33) and a fourth group of lifting screw rods (33) on the lifting mechanism through a belt wheel eight (86) and a belt wheel four (87) fixedly connected to a middle transmission shaft II (85) and a belt wheel nine (88) fixed to the end part of the second group of screw rods, and the like; the vertical driving motor of the bracket drives 2-4 groups of lifting screw rods to synchronously rotate through a transmission system consisting of a plurality of groups of synchronous belts or chains and belt wheels or chain wheels, and drives corresponding 2-8 groups of lifting brackets to synchronously move up and down under the action of nuts matched with the lifting screw rods and the guidance of the linear guide rail columns and the guide sleeves.

4. The automatic unloading machine for long strip material according to claim 1, wherein: the left guide device (50) comprises a left guide frame (53), a driving air cylinder or oil cylinder, a bearing (52) and a limiting block (I) (54), the left guide frame (53) is connected with a rack (41) of the material rack through the bearing (52) and swings left and right relative to the material rack under the action of the driving air cylinder or oil cylinder, the left guide frame (53) is provided with the limiting block (I) (54), a guide surface B and a vertical guide inclined surface C, the vertical guide inclined surface C inclines for 5-15 degrees relative to the vertical direction, and the limiting block (I) (54) is used for limiting the limiting value of the left guide device swinging right.

5. The automatic unloading machine for long strip material according to claim 1, wherein: the upper guide device (100) comprises 1-3 groups of guide rods (101), an upper guide frame (102), a guide rod bearing (103), a bearing seat (104), 1-2 swinging power components (105), a guide frame lifting power cylinder or oil cylinder, a limit screw (107), a limit block (II) (108), a guide frame sliding linear guide rail column (109) and a guide sleeve, wherein the guide rods (101) are connected with the bearing seat (104) through the guide rod bearing (103), the bearing seat (104) is fixedly connected onto the upper guide frame (102), one end of each guide rod (101) is connected with the swinging power components through a coupler, and when 1 swinging power component is adopted, the guide rods are connected with the swinging power components through a transmission belt and a belt pulley, so that the 1 swinging power component drives a plurality of groups of guide rods (101) to swing at the same time.

6. The automatic unloading machine for long strip material according to claim 1, wherein: the left side of base (10) be equipped with left stop screw (11), the extreme position of restricting the work or material rest (40) left pendulum is realized with the contact of left stop screw (11) through work or material rest left stop member (46) of work or material rest (40), the right side of base (10) be equipped with right stop screw (12), the extreme position of restricting the work or material rest (40) right pendulum is realized with the contact of right stop screw (12) through work or material rest right stop member (45) of work or material rest (40).

7. The automatic unloading machine for long strip material according to claim 2, wherein: 1-4 groups of lifting screw rods and nut pairs included in the lifting mechanism (30) or 1-4 groups of lifting oil cylinder structures are adopted to replace the lifting screw rods and the nut pairs, under the condition, a bracket vertical driving motor, a coupler and a synchronous belt or chain transmission system are not required to be arranged, and the corresponding structure is characterized in that: the middle of each bracket connecting rod is provided with a lifting oil cylinder, one end of each lifting oil cylinder is hinged to the bracket connecting rod, the other end of each lifting oil cylinder is hinged to a rack (41) of the material rack (40), 2-8 groups of lifting brackets correspond to 1-4 groups of bracket connecting rods and the lifting oil cylinders, a displacement sensor is arranged on the lateral portion of each lifting mechanism, and the 1-4 groups of lifting oil cylinders enable the 2-8 groups of lifting brackets and the corresponding 1-4 groups of bracket connecting rods to synchronously move up and down through a hydraulic control system.

8. The automatic unloader of long strip material as claimed in claim 5, wherein: the swing power component is an air pressure corner cylinder, an oil pressure corner cylinder, an air cylinder or an oil cylinder.