CN215478179U

CN215478179U - Feeding equipment with section bar extraction element

Info

Publication number: CN215478179U
Application number: CN202120876155.7U
Authority: CN
Inventors: 黄建滨
Original assignee: Guangdong Chittak Intelligent Equipment Co ltd
Current assignee: Guangdong Chittak Intelligent Equipment Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2022-01-11
Anticipated expiration: 2031-04-27

Abstract

The feeding equipment with the section bar extracting device comprises a main frame and the section bar extracting device arranged on the main frame, wherein the section bar extracting device is used for extracting the section bars which are transversely arranged; the profile taking device comprises a material taking arm, a first blocking part and a second blocking part, wherein the first blocking part and the material taking arm are arranged at left and right intervals in the transverse direction, the first blocking part is used for forming a first limit position for the profile to move longitudinally and defining the threshold depth of the upper surface supporting surface of the material taking arm longitudinally extending towards the rear of the first blocking part, the threshold depth is adapted to the longitudinal width occupied by a preset number of profiles extracted from the rear of the first blocking part by one material taking action of the material taking arm, and the upper surface supporting surface of the material taking arm is configured to have at least two working height positions; the upper surface supporting surface of the material taking arm is arranged to be of a structure which is low in front and high in back, so that the sectional material on the upper surface supporting surface of the material taking arm can continue to move forwards freely on the upper surface supporting surface of the material taking arm after the upper surface supporting surface of the material taking arm moves towards the second working height position and the sectional material on the upper surface supporting surface of the material taking arm is separated from the first blocking part.

Description

Feeding equipment with section bar extraction element

Technical Field

The invention relates to the technical field related to section bar processing, in particular to feeding equipment with a section bar extraction device for providing materials for processing.

Background

With the continuous progress of industrial technology, the existing profile processing machines increasingly adopt an automatic control technology, which not only reflects in the profile processing procedures such as a cutting or stamping forming procedure, but also reflects in a feeding procedure before profile processing and a receiving procedure after profile processing. The influence of the feeding process on the section processing process is prominent, the traditional manual feeding needs manual feeding to a machine, the labor intensity of workers is high, the efficiency is low, and automatic feeding equipment is produced in order to improve the processing production efficiency and the section processing precision. A conventional automatic feeding device generally includes a storage tank for stacking profiles to be processed, a feeding slide rail for conveying the profiles to be processed in the storage tank forward, and a profile extracting device for extracting a predetermined number of profiles from a plurality of profiles transferred from the feeding slide rail. Among them, there are various types of profile taking devices commonly available on the market, for example, the automatic feeding mechanism of the laser cutting machine proposed in patent 20191112188.5 includes a moving arm, a material lifting plate, a material feeding plate and a material feeding block, which cooperate with each other to complete feeding, but how to complete taking a predetermined number of profiles is not described in detail in the patent.

Disclosure of Invention

In order to be able to automatically perform the operation of extracting a predetermined number of profiles by means of mechanical equipment, the invention proposes a feeding device with a profile extraction device, comprising a main frame and a profile extraction device arranged on the main frame, the profile extraction device being intended for extracting a profile lying transversely, characterized in that the profile extraction device comprises a vertically movable pick-up arm having an upper support surface for supporting and transporting the profile, the pick-up arm being configured to allow the profile to advance longitudinally on the pick-up arm upper support surface; the material taking arm is used for forming a first limit position of profile moving along the longitudinal direction and defining a threshold depth of the upper surface support surface of the material taking arm extending towards the rear of the first blocking part in the longitudinal direction, the threshold depth is adapted to the longitudinal width occupied by a preset number of profiles extracted from the rear of the first blocking part by one material taking action of the material taking arm, the upper surface support surface of the material taking arm is configured to have at least two working height positions, the first working height position is a position which is moved downwards to at least take the profiles moved from the upstream, and the profiles are blocked at the rear of the first blocking part at the moment, the second working height position is moved upwards to a position at least enabling the profile on the upper supporting surface of the material taking arm to be separated from the constraint of the first blocking part; the upper surface supporting surface of the material taking arm is arranged to be of a structure with a low front part and a high back part, so that the sectional material can continuously and freely move forwards on the upper surface supporting surface of the material taking arm after the upper surface supporting surface of the material taking arm moves towards the second working height position and the sectional material on the upper surface supporting surface of the material taking arm is separated from the first blocking part.

The main frame is a main supporting framework of the feeding equipment and is used for supporting and positioning various functional modules of the feeding equipment, such as the profile extraction device. The profile extraction device is a functional module capable of automatically extracting a preset number of profiles from a plurality of upstream profiles at one time, for example, the profile extraction device can automatically extract 1 or 2 profiles at one time.

The first blocking part and the material taking arm are arranged at a left-right interval in the transverse direction from the layout position, namely, the first blocking part and the material taking arm are connected in the longitudinal flow path but do not necessarily need to be physically and longitudinally connected together due to the fact that the section bar has a certain transverse length. When the profile is stopped by the first stop part and cannot advance further longitudinally, the profile can be placed on the upper supporting surface of the material taking arm by using a transverse placing posture, or can be placed on other components such as a boss containing the first stop part, a bottom supporting body to be discussed below and hung on the upper supporting surface of the material taking arm transversely. The manner of providing the first blocking portion and the position thereof are various on the basis of satisfying the left-right spacing arrangement with the material taking arm in the transverse direction, for example, the first blocking portion may be provided on a bottom supporting body or a discharging platform which will be discussed later and is arranged left-right spacing arrangement with the material taking arm in the transverse direction, and the first blocking portion may be provided by means of the bottom supporting body or the discharging platform; secondly, the upper surface supporting surface of the material taking arm can extend along the front direction and the rear direction relative to the first blocking part when seen from the transverse direction, the relative position relation between the upper surface supporting surface of the material taking arm and the first blocking part in the longitudinal direction is defined by the characteristics, the first blocking part is used as a boundary, and the upper surface supporting surface of the material taking arm comprises a front supporting surface of the material taking arm and a rear supporting surface of the material taking arm, which longitudinally extend to the front direction and the rear direction of the first blocking part respectively, when seen from the transverse direction. In this way, the rear support surface of the take-off arm can be moved upwards to take up the profile moved upstream, while the front support surface of the take-off arm can provide support for the profile leaving the first stop and can allow the profile to continue to advance thereon.

Functionally, the first blocking portion has a double function: first, first stopper can block the section bar for can block the section bar and indulge forward and then have the section bar locate function. The mechanical structure of the first blocking portion is various, such as a blocking surface and a blocking line. In order to construct the first blocking portion, one of the following embodiments may be selected: a boss is arranged on the main frame, and the vertically extended rear end face of the boss forms the first blocking part; or a pit is arranged on the main frame, and the upper surface of the pit forms the first blocking part; alternatively, the first stopper may be formed by a rear end surface of a discharge table to be discussed later. Secondly, the first blocking part is used for defining the threshold depth of the upper surface supporting surface of the material taking arm longitudinally extending towards the rear of the first blocking part, namely the longitudinal length of the rear supporting surface of the material taking arm. The longitudinal position of the first blocking portion relative to the upper surface of the pick arm will affect the magnitude of the threshold depth. The threshold depth may be slightly larger than, smaller than or equal to a longitudinal width occupied by a predetermined number of profiles extracted from the rear of the first blocking portion by one material extracting action (i.e., upward moving to extract a profile) of the material extracting arm, and the threshold depth is not required to be precisely equal to the longitudinal width as long as it is ensured that the predetermined number of profiles can be stably extracted by the upper surface supporting surface of the material extracting arm. The threshold depth defines a pick quantity range for one pick motion of the upper support surface of the pick arm. And the material taking arm can only take the section materials entering the material taking range when moving upwards. For example, if the threshold depth is approximately one profile diameter, the lifting arm can only lift one profile behind the first stop when moving upwards.

The material taking arm is a movable component for conveying the section through lifting movement, and can move between the first working height position and the second working height position to continuously switch positions so as to convey the section. The first working height position is a position which is moved downwards to at least take up the profile moved from upstream, the upper support surface of the take-off arm being located below the profile moved from upstream and the profiles being blocked behind the first blocking portion, so that the upper support surface of the take-off arm is then moved upwards away from the first working height position to lift the taken-up profile moved from upstream over the top end of the first blocking portion. In a specific application, the first working height position may be a position where the upper support surface of the material taking arm directly supports the profile moved from upstream, or may be a position where the upper support surface of the material taking arm is located below the profile moved from upstream and has a vertical spacing. The second working height position is moved upwards to a position at least enabling the profile on the upper support surface of the take-out boom to be disengaged from the constraint of the first blocking part, i.e. the rear support surface of the upper support surface of the take-out boom at the second working height position is not shorter than the first blocking part, so that the profile which has passed over the first blocking part is moved to the front support surface of the upper support surface of the take-out boom under the guidance of the rear support surface. In a specific application, the second working height position may be set to a position at which a rear support surface of the upper support surface of the material taking arm is flush with or higher than the top of the first blocking portion. In addition, the structure that the upper surface supporting surface of the material taking arm is arranged to be low in front and high in back means that the upper surface supporting surface of the material taking arm is an inclined surface with the front end lower than the back end, and under the guidance of the upper surface supporting surface of the material taking arm, the section on the upper surface can be freely drawn downwards and moves forwards on the inclined surface by means of dead weight.

According to the technical scheme, compared with the prior art, the invention has the beneficial technical effects that: the number of the sectional materials extracted from the rear part of the first blocking part by one material taking action of the material taking arm is controlled by setting the depth of the threshold value, so that the operation of extracting the predetermined number of the sectional materials can be automatically completed by the sectional material extracting device, the specific number of the sectional materials are not required to be frequently conveyed to downstream equipment by hands, the labor force is saved, the accuracy rate is improved, and the working efficiency is improved.

The profile extraction device is modified in various ways, and the following modifications can be applied to one embodiment alone or in combination.

When the upper supporting surface of the material taking arm is positioned at the second working height position, namely, at a high position, if the profile positioned at the upstream enters the downward moving path of the material taking arm, the downward moving reset of the material taking arm is blocked, and the normal operation of the profile extraction device is influenced. In order to solve the technical problem, the profile extraction device further comprises a blocking arm which is lifted synchronously with the material taking arm, the blocking arm is located behind the first blocking part when viewed in the transverse direction, and when the upper supporting surface of the material taking arm moves between the first working height position and the second working height position, the blocking arm can block the profile moving from the upstream from entering a lower space of the material taking arm; when the upper surface of the pick-up arm is lowered to the first working height position, the blocking arm does not obstruct the profile from upstream into the upper space defined by the threshold depth.

The blocking arm has various structural forms, for example, a split structure is formed between the blocking arm and the material taking arm and is driven by different lifting driving devices respectively, or the blocking arm and the material taking arm are integrally formed and are driven by the same lifting driving device. The material taking arm moves up and down to occupy a moving track space in an upper space and a lower space of the material taking arm, and the lower space of the material taking arm is a space which is limited by the longitudinal length of the material taking arm when viewed from the transverse direction, extends along the lifting direction of the material taking arm and is positioned below the material taking arm. The upper space defined by the threshold depth is a space which is defined by the threshold depth and extends along the lifting direction of the material taking arm and is positioned above the upper surface supporting surface of the material taking arm when viewed from the transverse direction. According to the above structure, when the upper support surface of the take-out arm moves down to the first working height position, the upstream profile can be released freely from upstream to the upper space defined by the threshold depth, and when the upper support surface of the take-out arm starts to move up, the current profile on the upper support surface of the take-out arm is pushed up, and the upstream profile is blocked by the blocking arm and cannot move, and certainly cannot enter the lower space of the take-out arm, and the timing of the forward advance of the upstream profile is influenced by the blocking arm, so that the profile is prevented from blocking the downward movement and resetting of the take-out arm, and the take-out arm cannot move downward again.

The diameter specification of the section bar is various, and in order to enable the section bar extraction device to be suitable for extracting the section bars with different specifications, the invention further provides the following technical scheme: the first blocking part can be longitudinally adjusted back and forth relative to the material taking arm, so that the threshold depth can be adjusted. The first blocking part is fixed and does not move, and the position of the material taking arm can be longitudinally adjusted back and forth; or, the material taking arm is fixed and does not move, and the first blocking part can be longitudinally adjusted back and forth.

The front and rear profiles are intended to be arranged closely adjacent to each other before being extracted by the profile extraction device, in order to facilitate separation of the last profile entering the upper space defined by the threshold depth from the first profile located behind the upper space defined by the threshold depth, and the pick-up arm further comprises a projection projecting upwardly from the upper support surface of the pick-up arm, said projection being located behind the first stop and cooperating front and rear to define the threshold depth, as seen in the transverse direction; when the upper support surface of the take-off arm is moved downwards into the first working height position, the projections do not obstruct the upstream entry of the profile into the upper space defined by the threshold depth. That is, when the upper support surface of the fetching arm moves down to the first working height position, the highest point of the protrusion is preferably arranged to be not higher than the path of the profile entering the upper space from upstream, so that the protrusion can be inserted between the last profile and the previous profile to separate the last profile and the previous profile during the process of the upper support surface of the fetching arm, thereby being beneficial to improving the accuracy of the number of the profiles extracted by the fetching arm. In addition, in the process of lifting the upper surface of the material taking arm, the convex body can be used for assisting to block the profiles in the upper space defined by the threshold depth, so that the profiles are prevented from reversely sliding out from the rear part of the upper surface of the material taking arm.

When a plurality of long section bars are stacked together, the long section bars are very easy to be entangled, so that the section bar extracting device is inconvenient to extract the section bars and the next process is inconvenient to process, and the section bar extracting device is very easy to take up the following section bars when extracting the section bars. In view of this, it is further provided that the profile sorting apparatus is arranged on the main frame upstream of the profile extraction device, and that the profile sorting apparatus comprises a bottom support having an upper support surface for supporting and transporting profiles, and a top height limiter located above the bottom support, the bottom support being configured to allow a profile lying transversely to advance longitudinally on the upper support surface of the bottom support, the top height limiter being adjustable in position in an up-down, front-rear direction so as to be able to adjust not only an up-down spacing relative to the upper support surface of the bottom support, but also a longitudinal spacing relative to the first blocking portion. The profile sorting device is located upstream of the profile extraction device, so that the profiles can be moved onto the profile sorting device only after being sorted and sorted by the profile sorting device. In addition, the space between the top height limiter and the upper supporting surface of the bottom supporting body is a profile channel, the height of the profile channel is controlled by adjusting the upper position and the lower position of the top height limiter, namely, the number of profiles which can pass through the profile channel at one time in the height direction is controlled, for example, when the upper space and the lower space between the top height limiter and the upper supporting surface of the bottom supporting body are the diameter of one profile, only one profile is allowed to pass in the height direction, and thus the profiles can be sequentially arranged in front of and behind one another. In addition, in practical application, the longitudinal spacing of the top height limiter relative to the first blocking part can be adjusted to be slightly larger than the threshold depth by utilizing the adjustability of the position of the top height limiter in the front-back direction, so that the top height limiter does not block the profile lifted by the lifting arm which moves upwards, and the difficulty that the profile lifted by the lifting arm which is positioned at the front of the profile positioned at the back of the top height limiter can be increased.

In order to make the section bar on the upper supporting surface of the bottom supporting body longitudinally advance, further, the upper supporting surface of the bottom supporting body is arranged into a smooth plate body structure with a low front part and a high back part so that the section bar on the upper supporting surface of the bottom supporting body can freely move forwards; or the bottom support comprises a drive belt so as to be able to move forward with the profile by means of the drive belt. When the upper surface supporting surface of the bottom supporting body is arranged into a smooth plate body structure with a low front part and a high rear part, the section bar positioned on the bottom supporting body can freely move forwards in an inclined way under the traction of the dead weight, so that a driving device for driving the section bar to longitudinally advance can be omitted, and the structure of a driving system of the feeding equipment is simplified; when the bottom support comprises a driving strip, the driving strip can be used for accurately controlling the speed and the time length of the longitudinal advance of the section bar.

A material receiving container for receiving the profile is often arranged downstream of the profile extraction device, and how to feed the profile from the profile extraction device into the material receiving container is a technical problem to be further solved, and three preferred schemes are provided below:

the first emptying technical scheme is that the device further comprises a storage tank body arranged on the main frame and located on the downstream of the section extraction device, the storage tank body is provided with a storage tank, and the notch height of the storage tank is shorter than the upper supporting surface of the material taking arm so that the storage tank can receive the section falling from the upper supporting surface of the material taking arm. In this way, the profile which continues to move freely forwards on the upper support surface of the take-off arm can directly fall into the storage trough. The material collecting arm does not need to be provided with a material collecting section bar on the upper surface supporting surface of the material collecting arm, and then the section bar is placed in the feeding structure and the feeding operation in the storage tank, so that the feeding structure is simplified, and the feeding efficiency is improved. The storage tank body is a material receiving container for receiving the section bars, and the storage tank is a space for storing the section bars. In order to push the section bar in the storage tank to be conveyed to the next station, a pusher is also arranged in the storage tank, and the section bar is pushed to transversely advance through the pusher.

However, the above discharging technical scheme still has some disadvantages, for example, when the weight of the profile is large, for example, when the weight reaches 3kg, the profile falling from the supporting surface on the upper surface of the material taking arm may impact the material storage tank body to generate noise, and even may scratch the profile and damage the material storage tank body. In view of this, the first emptying technical scheme is improved, and specifically: the storage tank body can move up and down. Therefore, the storage tank can be adjusted at a proper height position according to the weight of the sectional material, the noise volume generated when the sectional material falls into the storage tank is reduced, and the sectional material and the storage tank body are protected to a certain extent.

The sectional materials placed on the feeding equipment longitudinally advance in a transverse placing posture, and the moving speeds of the head end and the tail end of the sectional materials are often inconsistent. After long-distance movement, the front end and the tail end of the section are obliquely offset in tandem from top view, so that the situation that the front end of the section enters the storage tank, but the tail end of the section abuts against the side wall of the storage tank body occurs. Therefore, the profile needs to be corrected in the transverse posture before falling into the storage tank. In view of this, a second emptying technical scheme is proposed: the profile extraction device further comprises a second stop for defining a second defined position of longitudinal advancement of the profile on the upper support surface of the take-out arm, the second stop being arranged, seen in the transverse direction, in front of the first stop and having a distance therebetween of at least the threshold depth; the profile taking device is characterized by further comprising a discharging platform which is arranged on the main frame and located at the downstream of the profile extracting device, the discharging platform is provided with an upper supporting surface used for supporting and conveying profiles, the discharging platform and the material taking arm are arranged at intervals in the transverse direction, the length of the upper supporting surface of the discharging platform extending towards the rear of the second blocking part is not less than the threshold depth, and the upper supporting surface of the discharging platform is arranged in a structure with a low front part and a high rear part, so that the upper supporting surface of the discharging platform can take away the profiles limited by the second blocking part and located on the upper supporting surface of the material taking arm in the downward moving process of the material taking arm and can enable the profiles to continuously move forwards freely on the upper supporting surface of the discharging platform.

The second blocking part has a positioning function of blocking the longitudinal advance of the section bar, and can be a blocking surface and a blocking line. In order to construct the second blocking portion, one of the following embodiments may be selected: a vertically arranged blocking plate body is fixedly arranged on the main rack, the blocking plate body is positioned in front of the material taking arm, when the material taking arm leaves the first working height position and does up-and-down lifting motion, the front end of the material taking arm is close to the blocking plate body, and the rear end surface of the blocking plate body is utilized to form a second blocking part; or a boss protruding out of the upper supporting surface of the material taking arm is arranged on the material taking arm, and the vertically extending rear end face of the boss forms the second blocking part; or a pit sunken on the upper surface of the material taking arm is arranged on the material taking arm, and the sunken upper surface of the pit forms the second blocking part; or a lifting arm is arranged on the main frame, the lifting arm and the material taking arm are driven to synchronously lift through different lifting drivers, and the rear end face of the lifting arm forms the second blocking part.

Wherein the second barrier is at least a distance of the threshold depth from the first barrier, in particular the distance between them may be equal to or larger than the threshold depth, seen in the lateral direction. In this way, there is sufficient space on the upper support surface of the take-off arm between the first and second stops to accommodate the profile that has been extracted by the take-off arm and that continues to advance longitudinally after it has been restrained by the first stop.

Wherein the discharge table is located downstream of the profile extraction device, so that the profile extracted by the profile extraction device will be fed onto the discharge table. The feature that the length of the discharge platform upper surface support extending rearward of the second barrier section, as viewed in the transverse direction, is not less than the threshold depth defines that the length of the discharge platform upper surface support extending rearward of the second barrier section, as viewed in the transverse direction, may be equal to or greater than the threshold depth. In this way, the upper support surface of the discharge table is sufficiently spaced to receive the profile defined by the second stop and located on the upper support surface of the take-off arm. The upper supporting surface of the discharging platform is arranged to be lower in front and higher in back, namely, the upper supporting surface of the discharging platform is an inclined surface with a front end lower than a back end of the upper supporting surface, and the profile on the upper supporting surface can freely move downwards and forwards in an inclined manner under the traction of the self weight under the guidance of the upper supporting surface of the material taking arm.

According to the technical scheme, the second blocking part is utilized to position the sectional material, the transverse placing posture of the sectional material is arranged, and the head end and the tail end of the sectional material can be aligned. Therefore, the inclination offset amplitude of the section bar transferred from the upper surface supporting surface of the material taking arm to the upper surface supporting surface of the discharging platform in the process of continuing advancing is reduced, and the probability that the head end and the tail end of the section bar smoothly enter the downstream material receiving container is improved. The arrangement of the discharging platform is matched with the downward moving material taking arm, so that the restraint of the second blocking part on the section bar is ingeniously released, and the discharging platform is simple in structure and convenient to operate.

In order to accept the section bar that falls from the last supporting surface of discharge table, further improve second kind blowing technical scheme, specifically do: still including arranging on the main frame and being located the storage cell body of dummy discharge stage low reaches, the storage cell body has the stock chest, thereby the notch height of stock chest is less than dummy discharge stage upper surface holding surface can let the stock chest accept by the section bar that falls on the dummy discharge stage upper surface holding surface. Further, the storage tank body can move up and down. Therefore, the storage tank can be adjusted at a proper height position according to the weight of the sectional material, the noise volume generated when the sectional material falls into the storage tank is reduced, and the sectional material and the storage tank body are protected to a certain extent.

However, the first and second discharging technical solutions still have some disadvantages, for example, if the weight of the profile is more than 6kg, the profile falling from a high place will heavily impact the storage tank body to generate a great noise, and even scratch the profile and damage the storage tank body. In view of this, the invention provides an improvement on a third emptying technical scheme, which specifically comprises: the profile extraction device further comprises a second stop for defining a second defined position of longitudinal advancement of the profile on the upper support surface of the take-out arm, the second stop being arranged, seen in the transverse direction, in front of the first stop and having a distance therebetween of at least the threshold depth; the material taking device is characterized by further comprising a storage tank body arranged on the main frame and located at the downstream of the material taking arm, wherein the storage tank body is provided with a storage tank, the storage tank body is at least composed of two sections of wire bodies which are transversely arranged left and right, the storage tanks of the two sections of wire bodies are coaxially arranged, an avoidance space is arranged between the storage tanks, when seen from a top view, the front portion of the material taking arm extends to a longitudinal area defined by the storage tanks, and one material taking arm extends to the corresponding avoidance space, so that when the material taking arm moves downwards to enter the avoidance space, a section material placed on the front portion of the material taking arm can be placed in the storage tank.

The second blocking part in the third discharging technical scheme and the second blocking part in the second discharging technical scheme have similar structures and functions, and repeated discussion is omitted. Secondly, the reservoirs of the two lengths of wire are arranged coaxially, such that, from a top view (i.e. from top to bottom), the reservoirs of the two lengths of wire lie substantially on the same transversely extending line. In addition, the avoidance space may be constructed in various manners, for example, two segments of the wire body are arranged at a left-right interval to construct the avoidance space therebetween, or the oppositely arranged end portions of the two segments of the wire body arranged at the left-right interval are recessed downward to construct the avoidance space.

Drawings

Fig. 1 is a schematic perspective view of a feeding apparatus with a profile extraction device to which a first embodiment of the present invention is applied;

fig. 2 is a schematic side view (seen in the transverse direction) of a feed device with a profile extraction device to which the first embodiment of the invention is applied;

FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 2, with a portion of the connection removed to show the second chamber 3330;

fig. 4 is a schematic top view of the profile extraction device 200;

fig. 5 is a schematic flow chart of the operation of the profile extraction device 200, seen in the transverse direction;

fig. 6 is a schematic side view (from a transverse direction) of the profile extraction device 200;

fig. 7 is a schematic perspective view of a feeding apparatus with a profile extraction device to which a second embodiment of the present invention is applied;

FIG. 8 is an enlarged view of the portion A of FIG. 7;

fig. 9 is a schematic view of the operational flow of the profile extraction device 200a in cooperation with the discharge table, seen in the transverse direction;

fig. 10 is a schematic view of the operational flow of the profile extraction device 200 a' in cooperation with the discharge table, seen in the transverse direction;

fig. 11 is a schematic top view of the profile extraction device 200a shown in fig. 10 b);

fig. 12 is a schematic perspective view of a feeding apparatus with a profile extraction device to which a third embodiment of the present invention is applied;

fig. 13 is a schematic side view (seen in the transverse direction) of a feeding device with a profile extraction device to which a third embodiment of the invention is applied;

fig. 14 is a schematic view of the operational flow of the profile extraction device 200b in use, seen in the transverse direction;

fig. 15 is a schematic structural view in the front view direction of the magazine body 400 b;

fig. 16 is a schematic view of the cooperation structure of the magazine body 400b and the front part 25b of the take-out arm, as seen from a top view;

fig. 17 is a schematic structural view of the escape space 44 b'.

Detailed Description

In order to more clearly illustrate the technical solution of the present invention, the structure of the feeding device proposed by the present invention is described in detail by three embodiments with reference to the attached drawings.

Example one

As shown in fig. 1 to 6, the present invention provides a feeding apparatus with a profile extraction device, which includes a main frame 100 and a profile extraction device disposed on the main frame 100. The main frame 100 is a main supporting framework of the feeding device, and is used for supporting and positioning a functional module of the feeding device, such as the profile extraction device. The main frame 100 comprises a T-shaped storage tank 1 and a support frame 11 located at the downstream of the T-shaped storage tank 1, wherein the support frame 11 comprises a plurality of support beams 111 which are arranged at intervals in the transverse direction and extend in the longitudinal direction. On one of the supporting beams 111, one of the profile-picking devices and one of the profile-sorting devices upstream of the profile-picking device are arranged. Of course, in other embodiments, the profile extraction device and the profile sorting device may be arranged on different support beams 111, or only on the support beams 111 at the head and tail ends of the support frame 11. In any case it is necessary that the profile sequencing device is located upstream of the profile extraction device. In the present embodiment, six profile sorting devices with similar structure and technical effect and six profile extraction devices with similar structure and technical effect are provided, and the profile extraction device 200 and the profile sorting device 300 are described as an example below.

The profile extraction device 200 is used for extracting profiles placed in a transverse direction (the transverse direction is the direction of an X axis in figure 4), and is characterized in that the profile extraction device 200 comprises a lifting movable material taking arm 2, the material taking arm 2 is provided with an upper supporting surface 20 used for supporting and conveying the profiles, and the material taking arm 2 is configured to allow the profiles to advance on the upper supporting surface 20 of the material taking arm along a longitudinal direction (the longitudinal direction is the direction of a Y axis in figure 4); the material taking arm further comprises a first blocking part 210, the first blocking part 210 and the material taking arm 2 are arranged at intervals in the left-right direction in the transverse direction, the material taking arm upper surface supporting surface 20 can extend along two directions of longitudinal front and back relative to the first blocking part 210 when seen from the transverse direction, the first blocking part 210 is used for forming a first limit position of the profile moving along the longitudinal direction and defining a threshold depth W1 longitudinally extending from the material taking arm upper surface supporting surface 20 to the back of the first blocking part 210, the threshold depth W1 is adapted to the longitudinal width W2 occupied by a preset number of profiles extracted from the back of the first blocking part 210 by one material taking action of the material taking arm 2, the material taking arm upper surface supporting surface 20 is configured to have at least two working height positions, and the first working height position is a position which is moved downwards to a position at least capable of taking the profiles moved from the upstream, the second working height position is a position which is moved upwards to at least enable the profile on the upper support surface 20 of the fetching arm to be separated from the constraint of the first blocking part 210, and the upper support surface 20 of the fetching arm is arranged in a structure with a lower front part and a higher rear part so that the profile can be continuously and freely moved forwards on the upper support surface 20 of the fetching arm after the profile on the upper support surface 20 of the fetching arm is separated from the constraint of the first blocking part 210 when the fetching arm 2 moves towards the second working height position.

As shown in fig. 2, 4 and 5, the profile extracting apparatus 200 further includes a first auxiliary block 22 transversely spaced from the bottom support 3 to be discussed below, a first boss 21 is detachably mounted on the first auxiliary block 22, and a rear side of the first boss 21 protrudes rearward from the first auxiliary block 22. The rear side surface of the first boss 21 constitutes the first stopper 210. Of course, in another embodiment, a recess may be provided in the bottom support 3, and a recessed upper surface of the recess may constitute the first stopper 210. It can be seen that the first blocking portion 210 has the function of blocking the longitudinal advance of the profile. The first blocking portion 210 may be constructed in various manners, and only some embodiments are listed above. The first blocking portion 210 is arranged in a manner spaced from the left and right in the transverse direction of the take-out arm 2, and as shown in fig. 5a, when the profile a is blocked by the first blocking portion 210 and cannot advance further in the longitudinal direction, the profile a rests on the upper support surface 20 of the take-out arm at the same time with a transversely lying posture. In other embodiments, the profile a may also rest on other members, such as the first auxiliary block 22, the bottom support 3, and be suspended laterally above the upper support surface 20 of the pick-up arm.

As shown in fig. 5 and 6, the upper pick-up arm support surface 20 can extend in both front and rear directions with respect to the first block section 210 when viewed in the transverse direction, and the upper pick-up arm support surface 20 includes a front pick-up arm support surface 20a and a rear pick-up arm support surface 20b that can extend in front of and behind the first block section 210, respectively, with the first block section 210 as a boundary. In this way, the rear support surface 20b of the take-off arm can move upwards to take up the profile a moving upstream, while the front support surface 20a of the take-off arm can provide support for the profile a leaving the first stop 210 and allow the profile a to continue to advance thereon. In addition, the first blocking portion 210 also has the function of defining a threshold depth W1 that the upper pick arm support surface 20 extends longitudinally rearward of the first blocking portion 210. The longitudinal position of the first stop 210 relative to the upper pick arm support surface 20 will affect the magnitude of the threshold depth W1. The threshold depth W1 may be slightly larger than, smaller than or equal to the longitudinal width W2 occupied by a predetermined number of profiles extracted by the picking arm 2 from behind the first blocking portion 210 by one picking motion (i.e., upward moving and picking up a profile), i.e., W1 may be adapted to W2, and the threshold depth W1 is not required to be precisely equal to the longitudinal width W2, as long as it is ensured that the picking arm upper surface 20 can stably extract a predetermined number of profiles. The threshold depth W1 defines a take range of one take action of the upper support surface 20 of the take arm. When the material taking arm 2 moves upwards, only the section materials entering the material taking range can be taken out. In the present embodiment, the threshold depth W1 is approximately one profile diameter, and only one profile can be picked up from behind the first stopper 210 when the pick-up arm 2 is moved upward.

The material taking arm 2 is a movable component for carrying the sectional materials through lifting movement, and the driving device can be an air cylinder, an oil cylinder or an electromagnet and the like, and can move between the first working height position and the second working height position to continuously switch positions. The first working height position is a position which is moved downwards to at least take up the profile moved from upstream, so that the taken up profile is pushed upwards when the upper support surface 20 of the take-off arm is moved upwards away from the first working height position. The upper pick arm support surface 20 in the first working height position is located below the profile moved from upstream. In a particular application, the first working height position can be set in such a way that the upper support surface 20 of the take-off arm bears directly against the profile moved upstream; it is also possible to arrange that the pick-up arm upper support surface 20 is located at a position spaced above and below the profile moved from upstream. The second working height position is a position which is moved upwards at least to a position where the profile on the upper pick arm support surface 20 is free from the constraint of the first stop 210, i.e. the rear support surface 20b in the upper pick arm support surface 20 in the second working height position is not shorter than the first stop 210, so that the profile which has passed over the first stop 210 is moved under the guidance of the rear support surface 20b to the front support surface 20a in the upper pick arm support surface 20. In a specific application, the second working height position may be set to a position where the rear support surface 20b of the upper support surface 20 of the fetching arm is flush with the top of the first blocking portion 210 or higher than the top of the first blocking portion 210. The configuration in which the upper fetching arm supporting surface 20 is arranged to be low in front and high in rear means that the upper fetching arm supporting surface 20 is an inclined surface with a front end lower than a rear end, and a profile thereon can freely move forward and downward under the traction of its own weight on the inclined surface under the guidance of the upper fetching arm supporting surface 20.

According to the technical scheme, the number of the profiles extracted from the rear part of the first blocking part 210 by one material taking action of the material taking arm 2 is controlled by setting the threshold depth W1, so that the profile extraction device 200 can automatically complete the operation of extracting a preset number of profiles, does not need hands to frequently convey a specific number of profiles to downstream equipment, not only saves labor force, but also can improve the accuracy and improve the working efficiency.

When the upper support surface 20 of the pick arm leaves the first working height position, the normal operation of the profile extraction device 200 is affected if the upstream profile enters the downward movement path of the pick arm 2 and prevents the downward movement of the pick arm 2 from returning. In view of this, as shown in fig. 5 and 6, the profile extraction device 200 further comprises a blocking arm 23 which is lifted synchronously with the pick-up arm 2, and the blocking arm 23 and the pick-up arm 2 are integrally formed and driven by the same lifting drive device. The blocking arm 23 is located behind the first blocking portion 210, seen in the transverse direction, and the blocking arm 23 blocks the profile b moving upstream from entering the lower space Q2 of the pick-up arm 2 when the pick-up arm upper support surface 20 moves between the first working height position and the second working height position; when the upper pick arm support surface 20 is moved down to the first working height position, the blocking arm 23 unblocks profile b allowing profile b to enter into the upper space Q1 defined by the threshold depth W1. The blocking arm 23 has various structural forms, and in other embodiments, the blocking arm 23 and the material taking arm 2 have a split structure and are driven by different lifting driving devices respectively. According to the above structure, in fact, as shown in fig. 5c, when the upper support surface 20 of the pick arm moves down to the first working height position, the upstream profile b can be released freely from upstream to the upper space Q1 defined by the threshold depth and located on the current upper support surface 20 of the pick arm, and on the basis of this, as shown in fig. 5b, when the upper support surface 20 of the pick arm starts to move up, the current profile a on the upper support surface 20 of the pick arm is pushed up, while the upstream profile b is blocked by the blocking arm 23 and cannot move, and certainly cannot enter the lower space Q2 of the pick arm 2, and the timing of the upstream profile b advance is influenced by the blocking arm 2, so that the profile is prevented from blocking the downward movement of the pick arm 2, otherwise the pick arm 2 cannot move downward again.

As shown in fig. 1 and 2, the diameter of the profile is varied, and in order to adapt the profile extraction device 200 to extract profiles of different specifications, the first blocking portion 210 can be adjusted in position back and forth in the longitudinal direction with respect to the pick-up arm 2, so that the threshold depth W1 can be adjusted. The take-out arm 2 is fixed against displacement in the longitudinal direction, while the first blocking section 210 can be adjusted in position back and forth in the longitudinal direction. The specific scheme is as follows: the profile material extracting device 200 includes a driving gear 62 and a driving shaft 61 for driving the driving gear 62 to rotate, a driving hand wheel 6 is further provided at the head end of the driving shaft 61, and a rack 221 for meshing transmission with the driving gear 62 is provided at the lower end of the first auxiliary block 22. The driving hand wheel 6 drives the driving shaft 61 to rotate, and then drives the driving gear 62 to be meshed with the rack 221 for transmission, and finally drives the first auxiliary block 22 to longitudinally move back and forth to adjust the position of the first blocking part 210. In addition, the driving shaft 61 is also in radial transmission connection with the driving gears of the other profile extraction devices, so that the longitudinal front and back positions of all the first blocking parts can be synchronously adjusted. In other embodiments, the first blocking portion 210 may not be fixed, and the position of the material taking arm 2 may be adjusted back and forth along the longitudinal direction.

As shown in fig. 5a, when placed on the feeder device and before being extracted by the profile extraction device 200, the profiles tend to be arranged closely one behind the other, in order to facilitate separation of the last profile a entering the upper space Q1 defined by the threshold depth W1 from the first profile b located behind the upper space Q1 defined by the threshold depth W1, and furthermore, the pick-up arm 2 further comprises a projection 24 projecting upwardly from the upper pick-up arm support surface 20, said projection 24 being located behind the first stop 210 as seen in the transverse direction and cooperating one behind the other to define the threshold depth W1; when the upper pick arm support surface 20 is lowered to the first working height position, the projections 24 do not obstruct the upstream entry of profile a into the upper space Q1 defined by the threshold depth W1, so that they can be separated by the insertion of the projections 24 between profile b and profile a, thus facilitating an improved accuracy of the quantity of profile extracted by the pick arm 2. In addition, the protrusions 24 may also be used to help block the profile a of Q1 defined by the threshold depth during the raising of the upper pick arm support surface 20, preventing them from sliding back out from behind the upper pick arm support surface 20.

In addition, the profile a can be blocked by the convex body 24, so that the difficulty of retreating and sliding during the lifting process of the material taking arm 2 is increased.

As shown in fig. 5, the device further comprises a storage tank 400 arranged on the main frame 1 and located downstream of the profile extraction device 200, wherein the storage tank 400 is provided with a storage tank 4, and the height of the notch of the storage tank 4 is lower than that of the upper support surface 20 of the fetching arm so that the storage tank 4 can receive the profile a falling from the upper support surface 20 of the fetching arm. In this way, the profile a, which continues to move freely forward on the upper support surface 20 of the take-off arm, can drop directly into the magazine 4. The section bar a is collected from the upper supporting surface 20 of the material taking arm without arrangement, and then the section bar a is placed in the feeding structure and operation in the storage tank 4, so that the feeding structure is simplified, and the feeding efficiency is improved. In order to push the section bar in the storage tank 4 to be conveyed to a lower station, a pusher (not shown in the figure) is further arranged in the storage tank 4, and the section bar is pushed to transversely advance by the pusher. However, the above emptying solutions still have some disadvantages, for example, when the weight of the profile is relatively large, for example, when the weight of the profile is as heavy as 3kg, the profile falling from the supporting surface 20 on the upper surface of the material taking arm may impact the storage tank body 400 to generate noise, and may even scratch the profile and damage the storage tank body 400. In view of this, the magazine body 400 is movable up and down. Therefore, the material storage tank 4 can be adjusted at a proper height position according to the weight of the sectional material, the noise volume generated when the sectional material falls into the material storage tank 4 is reduced, and the sectional material and the material storage tank body 400 are protected to a certain extent. The storage tank body 400 is provided with a U-shaped anti-scraping pad made of rubber. The scratch pad includes a left side pad plate 411, a right side pad plate 412 and a bottom pad plate 413 and constructs the stock tank 4 therebetween. The right base plate 412 is higher than the left base plate 411, so that the difficulty that the profile a rebounds to jump out of the storage tank 4 beyond the right base plate 412 when falling into the storage tank 4 is increased.

As shown in fig. 2 and 3, the profile sorting apparatus 300 includes a bottom support 3 and a top height limiter 32 located above the bottom support 3, the bottom support 3 has an upper support surface 30 for supporting and transferring the profiles, the bottom support 3 is configured to allow the profiles lying laterally to advance longitudinally on the bottom support upper support surface 30, and the top height limiter 32 is adjustable in position in the up-down and front-back directions so as to adjust not only the up-down interval H with respect to the bottom support upper support surface 30 but also the longitudinal interval L with respect to the first stopper 210. Specifically, the profile sorting device 300 further includes a sorting guide rail 31 and a tightness adjuster 33 fixedly mounted on the support frame 11. The top height limiter 32 includes a connecting portion 321 and a height limiting portion 322 connected to the connecting portion 321, and the connecting portion 321 is connected to the guide rail 31 for sorting through the slack adjuster 33. The tightness adjuster 33 includes a first cover 331, a middle body 332, and a second cover 333 which are sequentially closed in a lateral direction. A first cavity 3320 for accommodating the sorting guide rail 31 is provided between the first cover plate 331 and the intermediate body 332, and the sorting guide rail 31 is inserted into the first cavity 3320. The pin 335 penetrates the first cover plate 331 to press the sequencing guide rail 31, thereby locking the top height limiter 32 in the longitudinal forward and backward positions. After the pin 335 is released, the front-rear position of the top height limiter 32 can be adjusted by dragging the slack adjuster 33 back and forth on the sequencing guide rail 31. A second cavity 3330 for receiving the connection part 321 is provided between the middle body 332 and the second cover 333, and the connection part 321 is inserted into the second cavity 3330. The pin 336 presses the connecting portion 321 through the second cover 333 to lock the top height limiter 32 in the up-down position. After the pin 336 is loosened, the height position of the top height limiter 32 can be adjusted by dragging the connecting part 321 to move up and down on the tightness adjuster 33. The space between the height-limiting part 322 of the top height limiter 32 and the upper supporting surface 30 of the bottom support is the profile channel 34, and the height of the profile channel 34, that is, the number of profiles that can pass through the profile channel 34 at one time in the height direction, is controlled by adjusting the upper and lower positions of the top height limiter 32. In the present embodiment, the distance between the height-limiting portion 322 and the upper supporting surface 30 of the bottom supporting body is slightly larger than the diameter of one profile, and only one profile is allowed to pass through in the height direction, so that the originally entangled profiles a and b can be sequentially arranged one by one in the front-back direction into the profile channel 34 and moved to the profile extracting apparatus 200. In addition, in practical applications, the longitudinal distance L between the height-limiting part 322 and the first blocking part 210 can be adjusted to be slightly larger than the threshold depth W1 by utilizing the adjustability of the position of the height-limiting part 322 in the front-rear direction, so that the height-limiting part 322 does not block the profile a lifted by the upward-moving material-taking arm 2, and the difficulty of the rear profile b below the height-limiting part 322 being taken up by the profile a in the front direction can be increased. Furthermore, the top height limiter 32 is located right above the bottom support 3, so that it is avoided that adjacent profiles are still entangled due to the flexibility of the profiles.

As shown in fig. 2, in order to longitudinally advance the profile on the upper supporting surface 30 of the bottom supporting body, the upper supporting surface 30 of the bottom supporting body is arranged in a smooth plate structure with a low front part and a high back part so that the profile of the upper supporting surface 30 of the bottom supporting body can freely move forwards, and the profile on the upper supporting surface can freely move downwards and forwards in an inclined way under the traction of self weight, so that a driving device for driving the profile to longitudinally advance can be omitted, and the structure of a driving system of the feeding equipment is simplified. In other embodiments, of course, the bottom support 3 may also comprise a driving belt so as to be able to move forward with the profile by means of the driving belt, so that the speed and duration of the longitudinal advance of the profile can be accurately controlled by means of the driving belt.

As shown in fig. 2, 5 and 6, the material taking and placing process is as follows: the upper pick arm support surface 20 is adjusted to a first working height position and the longitudinal position of the first auxiliary block 22 relative to the first stop 210 is adjusted so that W1 corresponds to the diameter of profile a. As shown in fig. 5a, the profile a moves forward from the T-shaped storage tank 1 through the profile sorting device 300, is stopped by the first stopping part 210 and stays in the upper space Q1, and meanwhile, also rests on the upper support surface 20 of the taking arm; as shown in fig. 5b, when the pick arm 2 moves from the first working height position to the second working height position, the pick arm upper surface support surface 20 lifts the profile a away from the first stopper 210, and then the profile a continues to move forward freely on the pick arm upper surface support surface 20 and finally falls into the storage tank 4.

As shown in fig. 11, when viewed from a top view, the section bar a placed on the feeding device longitudinally advances in a horizontally placed posture, the moving speeds of the head end and the tail end of the section bar a are often inconsistent, and the head end and the tail end of the section bar a are inclined and biased in tandem, so that the section bar a is obliquely erected on the storage tank body 400 rather than integrally entering the storage tank 4. It is necessary to correct the transverse attitude of the profile a before it falls into the magazine 4. In view of this, the following second embodiment is proposed.

Example two:

the second embodiment has the same features as the first embodiment, and will not be repeated, and the following focuses on the main differences: as shown in fig. 7 to 9, the profile extraction device 200a comprises a second stop 240a, said second stop 240a being intended to define a second defined position of profile a advancing in the longitudinal direction on the upper support surface 20a of the take-out arm, said second stop 240a being arranged in front of the first stop 210a and having at least a distance of a threshold depth W1 between them, seen in the transverse direction. In this embodiment, the distance L1 between the second barrier 240a and the first barrier 210a is greater than the threshold depth W1 (in other embodiments, L1 may be equal to W1). And a discharge table 51 arranged on the main frame 100 and located downstream of the profile extraction device 200a, wherein the discharge table 51 has an upper support surface 510 for supporting and transporting the profile, the discharge table 51 is arranged laterally spaced from the pick-up arm 2a to the left and right, and a length L2 of the upper support surface 510 of the discharge table extending rearward of the second barrier 240a is not less than the threshold depth W1 as viewed in the lateral direction. In this embodiment, L2 is greater than W1 (in other embodiments, L2 may be equal to W1). The discharge table upper support surface 510 is arranged in a front-low and rear-high configuration, so that during the downward movement of the pick arm 2a, as shown in fig. 9 b), 9 c), the discharge table upper support surface 510 can remove the profile a defined by the second stop 240a and located on the pick arm upper support surface 20a and can leave the profile a free to move further forward on the discharge table upper support surface 510. The material taking arm 2a is driven to move in an upgrading way through a driver 6a, and the driver 6a is an air cylinder.

The second blocking portion 240a is a feature capable of blocking the profile from longitudinally advancing and then temporarily positioning, such as a blocking surface and a blocking line. The second blocking portion 240a may be disposed at various positions, for example, longitudinally spaced from the first blocking portion 210a, longitudinally spaced from the material-taking arm 2a, laterally spaced from the left and right, and laterally spaced from the material-discharging table 51. In the present embodiment, the pick arm 2a is provided with a second boss 24a protruding from the pick arm upper surface support surface 20a, and a rear end surface of the second boss 24a constitutes the second stopper 240 a. Of course, in other embodiments, a concave recess recessed in the upper support surface 20a of the fetching arm may be provided on the fetching arm 2a, and the recessed upper surface of the concave recess may constitute the second blocking portion 240 a; or a lifting arm arranged transversely and leftwards and rightwards at intervals with the material taking arm 2a and the discharging platform 51 is arranged on the main frame 100, the lifting arm and the material taking arm 2a are driven to synchronously lift through different lifting drivers respectively, and the rear end surface of the lifting arm forms the second blocking part 240 a; alternatively, the profile extraction device 200a ' shown in fig. 10 a) and 11 is configured such that a vertically and laterally arranged blocking plate body 24a ' is fixedly mounted on the main frame, the blocking plate body 24a ' is located in front of the material-taking arm 2a ' and the material-discharging table 51', the blocking plate body 24a ' is also higher than the upper supporting surface 510' of the material-discharging table, and a space 50' capable of allowing the profile to pass through is arranged between the blocking plate body 24a ' and the material-discharging table. As shown in fig. 10b and 11, when the upper support surface 20a ' of the pick-up arm moves up and down above the first working height position, the front end of the pick-up arm 2a ' is close to the blocking plate 24a ', and the second blocking portion 240a ' is formed by the rear end surface of the blocking plate 24a '. When the take-off arm 2a 'is moved to the first working height position, as shown in fig. 10c, the discharge table upper support surface 510' is able to take off the profile a and to allow the profile a to continue to move freely forward on the discharge table upper support surface 510 'and to fall through the compartment 50' into the storage trough 4a 'of the storage trough 400a' as will be discussed below.

Wherein, as shown in fig. 7, 8 and 9, a second auxiliary block 5 is provided on the support beam 111a downstream of the profile extraction device 200a, and the discharge table 51 is detachably mounted on the second auxiliary block 5 with the upper support surface 510 of the discharge table higher than the upper surface of the second auxiliary block 5. In another embodiment, the first stopper 210a may be formed by a rear end surface of the discharge table 51. In addition, the arrangement of the upper supporting surface 510 of the discharge table in a structure with a lower front and a higher rear means that the upper supporting surface 510 of the discharge table is an inclined surface with a front end lower than a rear end thereof, and the profile a on the upper supporting surface can freely move forward and downward under the traction of the self-weight under the guidance of the upper supporting surface 20a of the fetching arm.

According to the technical scheme, the second blocking part 240a is used for positioning the section bar a, the transverse placing posture of the section bar a is arranged, and the head end and the tail end of the section bar a can be aligned. In this way, the inclination offset amplitude of the section bar a transferred from the upper supporting surface 20a of the material taking arm to the upper supporting surface 510 of the discharging platform in the process of continuing to advance is reduced, and the probability that the head end and the tail end of the section bar a smoothly enter the downstream receiving container is improved. The arrangement of the discharging platform 51 is matched with the downward moving material taking arm 2a, so that the limitation of the second blocking part 240a on the section bar a is ingeniously removed, and the device is simple in structure and convenient to operate.

As shown in fig. 9, in order to receive the profile falling from the upper supporting surface 510 of the discharge table, a magazine body 400a is further included, which is disposed on the main frame 100 downstream of the discharge table 51, wherein the magazine body 400a has a magazine 4a, and the height of the slot of the magazine 4a is lower than that of the upper supporting surface 510 of the discharge table so that the magazine 4a can receive the profile falling from the upper supporting surface 510 of the discharge table. Further, the storage tank 400a can move up and down. Therefore, the storage tank 4a can be adjusted at a proper height position according to the weight of the sectional material, the noise volume generated when the sectional material falls into the storage tank 4a is reduced, and the sectional material and the storage tank body 400a are protected to a certain extent.

However, in the first and second embodiments, there are some disadvantages, for example, if the weight of the profile is more than 6kg, the profile falling from a high place will heavily impact the storage tank body to generate a great noise, and even scratch the profile and damage the storage tank body. In view of this, the following third embodiment is proposed.

Example three:

the third embodiment has the same points as the second embodiment, and the main differences are discussed below without repeated discussion: as shown in fig. 12 to 16, the feeding device comprises six profile-extracting devices with similar structure and technical effect, and the profile-extracting device 200b is taken as an example for description. The profile extraction device 200b comprises a second stop 240b for defining a second defined position of the profile advancing in the longitudinal direction on said pick arm upper surface support surface 20b, said second stop 240b being arranged in front of said first stop 210b and having at least a distance of a threshold depth W1 between them, seen in the transverse direction. The storage device is characterized by further comprising a storage tank body 400b and a tank bottom seat 45b, wherein the storage tank body 400b is arranged on the main frame 100b and is located on the downstream of the material taking arm 2b, the storage tank body 400b is provided with a storage tank 4b, the storage tank body 400b is composed of six sections of line bodies which are transversely arranged left and right (in other embodiments, the storage tank body 400b can also be composed of not less than 2 sections of line bodies such as 2, 3 and 4), and the six sections of line bodies are fixedly arranged on the tank bottom seat 45 b. The storage troughs of the six sections of wire bodies are coaxially arranged, and an avoidance space is arranged between every two adjacent sections of wire bodies. The construction of the avoiding space and the emptying of the profile extraction device 200b will be described by taking the left wire 42b and the right wire 43b adjacent to each other on the left and right as examples. The left wire body 42b and the right wire body 43b are separated from each other and arranged at a left-right interval to form an avoiding space 44b therebetween (in other embodiments, the structure shown in fig. 17 may be adopted, and the right end portion of the left wire body 42b ' is connected with the left end portion of the right wire body 43b ' and is recessed to form the avoiding space 44b '). The front part 25b of the pick arm extends in a top view into the longitudinal area defined by the magazine 4b and the pick arm 2b extends into the corresponding escape space 44b (the other pick arm extends into the corresponding escape space, i.e. the pick arm corresponds one-to-one to the escape space) so that, as shown in fig. 14 b) and c), the pick arm 2b can be lowered into the escape space 44b in order to place the profile a resting on the front part 25b of the pick arm into the magazine 4 b.

As shown in fig. 12, the profile is susceptible to wobbling during the processing, e.g., bending, of the profile in the magazine 4 b. In view of this, a first depressor 7 and a second depressor 71 are further provided above the discharge end of the magazine body 400b, and the first depressor 7 includes a first lower ram 701 and a first lower drive 70 capable of driving the first lower ram 701 to move up and down. The first lower ram 701 is arranged longitudinally and has a longitudinal width greater than that of the magazine body 400 b. A notch 46b is provided in the stock tank body 400b, and the notch 46b is used for avoiding the first lower ram 701 descending into the stock tank 4 b. The first hold-down device 7 serves for holding down profiles of larger diameter. The second pushing-down unit 71 includes a second pushing-down head 711 and a second pushing-down driver 710 capable of driving the second pushing-down head 711 to move up and down. The second depressor 71 is arranged transversely and has a longitudinal width smaller than that of the magazine body 400 b. The second hold-down device 71 serves to hold down the smaller profile.

As shown in fig. 12 and 13, in order to drive the six material taking arms of the profile extraction device to synchronously move in an upgrading way, one lifting transmission system is correspondingly arranged on one material taking arm, and the six lifting transmission systems share one driver 6b and carry out power transmission through a transmission shaft 64b, wherein the driver 6b is an air cylinder. The structure and technical effects of the six lifting transmission systems are similar, and the lifting transmission system 600b of the material taking arm 2b is taken as an example for description. The lifting transmission system 600b comprises a first transmission arm 61b and a second transmission arm 62b, the head end of the first transmission arm 61b is connected with the transmission shaft 64b in a radial transmission mode through the matching of keys and clamping grooves, the tail end of the first transmission arm 61b is hinged to the tail end of the second transmission arm 62b, and the head end of the second transmission arm 62b is hinged to the material taking arm 2b through a shaft body 63 b. The output shaft 60b of the driver 6b is hinged to the first transmission arm 61 b. A guide rail (not shown in fig. 13, but shielded by the material taking arm 2 b) for guiding the material taking arm 2b to move in an upgrading manner is further disposed on the main frame 100b, and the material taking arm 2b is slidably disposed on the guide rail. The working process is as follows: the output shaft 60b of the driver 6b extends to drive the first transmission arm 61b to rotate counterclockwise around the transmission shaft 64b, while the tail of the first transmission arm 61b drives the second transmission arm 62b to rotate counterclockwise around the shaft body 63b, and the second transmission arm 62b drives the material taking arm 2b to move upward on the guide rail. Similarly, the output shaft 60b of the driver 6b can drive the material taking arm 2b to move downwards when contracting. In addition, while the output shaft 60b of the driver 6b drives the first transmission arm 61b to rotate around the transmission shaft 64b, the first transmission arm 61b also drives the transmission shaft 64b to rotate, and the transmission shaft 64b drives the material taking arms of the other 5 profile extracting devices to synchronously move in an upgrading way.

Claims

1. A feeding device with a profile extraction device, comprising a main frame and a profile extraction device arranged on the main frame for extracting a profile lying transversely, characterized in that the profile extraction device comprises a vertically movable take-off arm having an upper support surface for supporting and transporting the profile, the take-off arm being configured to allow the profile to advance longitudinally on the take-off arm upper support surface; the material taking arm upper surface supporting surface is configured to have at least two working height positions, the first working height position is a position which is moved downwards to at least be capable of taking the profile moved from the upstream, and the profile is blocked behind the first blocking part at the moment, the second working height position is moved upwards to a position at least enabling the profile on the upper supporting surface of the material taking arm to be separated from the constraint of the first blocking part; the upper surface supporting surface of the material taking arm is arranged to be of a structure with a low front part and a high back part, so that the sectional material can continuously and freely move forwards on the upper surface supporting surface of the material taking arm after the upper surface supporting surface of the material taking arm moves towards the second working height position and the sectional material on the upper surface supporting surface of the material taking arm is separated from the first blocking part.

2. The feeding apparatus according to claim 1, wherein the profile extraction device further comprises a blocking arm which is synchronously raised and lowered with the take-off arm, the blocking arm being located behind the first blocking portion as seen in the transverse direction, the blocking arm being capable of blocking a profile moving upstream from entering the lower space of the take-off arm when the upper support surface of the take-off arm moves between the first working height position and the second working height position; when the upper surface of the pick-up arm is lowered to the first working height position, the blocking arm does not obstruct the profile from upstream into the upper space defined by the threshold depth.

3. The feed apparatus of claim 1, wherein the first stop is longitudinally adjustable back and forth relative to the take-off arm to adjust the threshold depth.

4. The feed device of claim 1, wherein the take-off arm further includes a projection that projects upwardly from an upper support surface of the take-off arm, the projection being located behind the first stop and cooperating front-to-back to define the threshold depth, as viewed in the lateral direction; when the upper support surface of the take-off arm is moved downwards into the first working height position, the projections do not obstruct the upstream entry of the profile into the upper space defined by the threshold depth.

5. The feeding apparatus according to claim 1, further comprising a profile sequencing device arranged on said main frame and upstream of said profile extraction device, said profile sequencing device comprising a bottom support having an upper support surface for supporting and transporting profiles, and a top height limiter located above said bottom support, said bottom support being configured to allow the profile lying laterally to advance longitudinally on said bottom support upper support surface, the position of said top height limiter in the up-down, front-to-back direction being adjustable so as to be able to adjust not only the up-down spacing with respect to said bottom support upper support surface, but also the longitudinal spacing with respect to said first stop.

6. The feeding apparatus as set forth in claim 5, wherein the upper support surface of the bottom support is arranged in a smooth plate structure with a lower front and a higher rear so as to allow the profile of the upper support surface of the bottom support to move freely forward; or the bottom support comprises a drive belt so as to be able to move forward with the profile by means of the drive belt.

7. The feeding equipment as claimed in any one of claims 1 to 6, further comprising a storage tank body arranged on the main frame and located downstream of the profile extraction device, wherein the storage tank body is provided with a storage tank, and the height of a notch of the storage tank is lower than that of the upper support surface of the material taking arm so that the storage tank can receive the profiles falling from the upper support surface of the material taking arm.

8. The feeding device as claimed in claim 7, wherein the magazine body is movable up and down.

9. The feeding apparatus according to any one of claims 1 to 6, characterized in that the profile extraction device further comprises a second stop for defining a second defined position of longitudinal advancement of the profile on the upper surface of the pick-up arm, said second stop being arranged, seen in the transverse direction, in front of the first stop and having at least the distance of the threshold depth between them; the profile taking device is characterized by further comprising a discharging platform which is arranged on the main frame and located at the downstream of the profile extracting device, the discharging platform is provided with an upper supporting surface used for supporting and conveying profiles, the discharging platform and the material taking arm are arranged at intervals in the transverse direction, the length of the upper supporting surface of the discharging platform extending towards the rear of the second blocking part is not less than the threshold depth, and the upper supporting surface of the discharging platform is arranged in a structure with a low front part and a high rear part, so that the upper supporting surface of the discharging platform can take away the profiles limited by the second blocking part and located on the upper supporting surface of the material taking arm in the downward moving process of the material taking arm and can enable the profiles to continuously move forwards freely on the upper supporting surface of the discharging platform.

10. The feeder apparatus according to claim 9, further comprising a magazine body disposed on the main frame downstream of the discharge table, the magazine body having a magazine slot with a slot height shorter than the upper support surface of the discharge table to enable the magazine slot to receive a profile falling from the upper support surface of the discharge table.

11. The feeding device as claimed in claim 10, wherein the magazine body is movable up and down.

12. The feeding apparatus according to any one of claims 1 to 6, characterized in that the profile extraction device further comprises a second stop for defining a second defined position of longitudinal advancement of the profile on the upper surface of the pick-up arm, said second stop being arranged, seen in the transverse direction, in front of the first stop and having at least the distance of the threshold depth between them; the material taking device is characterized by further comprising a storage tank body arranged on the main frame and located at the downstream of the material taking arm, the storage tank body is provided with a storage tank, the storage tank body is at least composed of two sections of wire bodies which are transversely arranged left and right, the storage tanks of the two sections of wire bodies are coaxially arranged, an avoidance space is arranged between the storage tanks, when seen from a top view, the material taking arm extends to a longitudinal area defined by the storage tank, and one material taking arm extends to the corresponding avoidance space, so that when the front part of the material taking arm enters the avoidance space, a section material placed on the front part of the material taking arm can be placed in the storage tank.