CN210703829U

CN210703829U - Loading attachment that section bar production line was used

Info

Publication number: CN210703829U
Application number: CN201921042851.7U
Authority: CN
Inventors: 李武坚; 马燕如
Original assignee: Guangdong Shengda Automation Technology Co ltd
Current assignee: Guangdong Shengda Automation Technology Co ltd
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-06-09
Anticipated expiration: 2029-07-04

Abstract

The utility model discloses a feeding device for a section bar production line, which comprises a frame and at least two feeding components which are arranged on the frame and have the operation states which are alternately arranged; the feeding assembly can move relative to the rack and is provided with a feeding path; the feeding path sequentially comprises a material taking position for grabbing the section bar, a material feeding position for fixing the section bar on the conductive frame and a no-load position of the section bar to be grabbed; the feeding assembly comprises a connecting seat and a clamping component which is arranged on the connecting seat and used for clamping the section; the clamping part can turn relative to the connecting seat and forms a turning path; the starting end of the turnover path is located in the material taking position, and the tail end of the turnover path is located in the material loading position. The utility model has the advantages of conveying efficiency is high, and alternate operation reduces the time interval of material loading in-process, has improved production efficiency.

Description

Loading attachment that section bar production line was used

Technical Field

The utility model relates to a material conveying equipment especially relates to a loading attachment that section bar production line was used.

Background

The section bar must be subjected to surface treatment processes such as oxidation, coloring, electrophoresis, cleaning and the like during production. In order to facilitate the process operations, in the actual production process, a plurality of sectional materials are required to be fixed on a conductive frame (comprising a cross beam and a conductive rod) according to a required interval, and the sectional materials are kept in good contact with the surface of the conductive rod to form a rectangular frame in a row shape. This process is called the upwelling process.

Wherein, it is the indispensable link in the row of in-process to go up to be fixed in many section bars according to required interval on the electrically conductive frame, and some producers still utilize the manual work to carry the aluminum product and fix on electrically conductive frame up to now, and this kind of operation not only consumes a large amount of labours, has the potential safety hazard moreover. And partial producers also use manipulators to assist feeding, but the manipulators have high manufacturing cost and strict later maintenance and need regular maintenance of special persons. Typical or common prior art techniques are:

open document CN109877346A discloses the utility model provides a unloader on manipulator, it solves the space occupancy that unloader exists on current robotic arm big, the whole coordination of arranging is not enough, supporting problem with high costs. Including manipulator and feed frame, the feed frame includes a supporting beam and feed frame subassembly, the feed frame subassembly includes a feed platform, a vertical support frame and a casting formula base, the feed platform, vertical support frame is all installed on casting formula base, be equipped with an electric cabinet on the vertical support frame, the feed platform passes through casting formula base and sets up in one side of numerical control machine tool, the perpendicular rigid coupling of a supporting beam in vertical support frame top and be located the top of numerical control machine tool, the manipulator passes through three-dimensional linear displacement mechanism and installs on a supporting beam, manipulator, three-dimensional linear displacement mechanism with electric cabinet automatically controlled connection, three-dimensional linear displacement mechanism can drive the manipulator and do X to, Y to and Z to linear motion in order to realize that the manipulator removes and getting of work piece between feed platform and numerical control machine tool.

Another kind of classic is as automatic unloading manipulator device of going up of CN106514412A, relates to a manipulator, and automatic unloading manipulator device crosses two lathe tops through four stands, and four stand bottoms all are equipped with the base, and every base below all is equipped with four universal wheels, is equipped with stop device on the base, be equipped with the recess that suits with the universal wheel on the base that the universal wheel corresponds, four bolt holes of equipartition on the base, are equipped with the bolt on the screw, and manipulator is connected to lift cylinder below, and the manipulator is connected through universal floating joint and lift cylinder's piston rod, and the switch setting is got on operating handle to the handle clamp, and the die clamping cylinder is connected to the operating handle below, and the clamping jaw is connected to die clamping cylinder's piston rod, the clamping jaw inboard is equipped with wear-resistant alloy.

It is also known, as disclosed in US5608618A, that the jog feed operation is arranged to allow rotation and movement of the coordinate system. During jog feed of the coordinate system, the robot is equivalent to moving steps. The tool distal end point of the robot is initially moved to the origin of the user coordinate system serving as a moving target. And setting the inching feeding mode as a coordinate system micro-feeding mode according to the mode of the coordinate system. And performing translational jog feed operation until the far end of the tool of the robot reaches the top point of the workpiece. The distal end of the tool of the robot is then moved to a point on the axis of the coordinate system. The rotary jog feed operation is performed until the tool distal end of the robot reaches the edge line of the workpiece. The robot control device calculates the amount of movement of the coordinate system based on the jog feed operation.

In summary, through massive search and analysis of the applicant, the existing feeding device completes feeding by using a precision manipulator or a simple gripping device, wherein although the precision manipulator is accurate in feeding, the precision manipulator is high in manufacturing cost, and although the simple gripping device is low in manufacturing cost, the simple gripping device is large in gripping error, and is not suitable for a production line with high automation degree, so that the product quality is influenced. Particularly, in the upper-row process in section bar production, in the prior art, at least the manufacturing cost of a feeding device is high, the later maintenance difficulty is high, and the requirement of medium and small enterprises on the cost performance cannot be met; the conveying efficiency is low, and the interval time between feeding and discharging is long; the cost and precision cannot be balanced. Therefore, the existing feeding device cannot meet the requirements of people.

Therefore, there is a need to develop or improve a feeding device for a profile production line to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a loading attachment that section bar production line was used is in order to solve the problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a feeding device for a profile production line is characterized by comprising a rack and at least two feeding assemblies which are arranged on the rack and are alternately arranged in an operating state; the feeding assembly can move relative to the rack and is provided with a feeding path; the feeding path sequentially comprises a material taking position for grabbing the section bar, a material feeding position for fixing the section bar on the conductive frame and a no-load position of the section bar to be grabbed; the feeding assembly comprises a connecting seat and a clamping component which is arranged on the connecting seat and used for clamping the section; the clamping part can turn relative to the connecting seat and forms a turning path; the starting end of the turning path is positioned in the material taking position, and the tail end of the turning path is positioned in the material loading position; the connecting seat is provided with a second driving device for driving the clamping component to turn; the clamping part comprises a swing arm block, a first clamping block, a second clamping block matched with the first clamping block and a third driving device for driving the first clamping block and the second clamping block to be opened and closed; one end of the swing arm block is connected with the output end of the second driving device; the third driving device is positioned on one end part of the swing arm block, which is far away from the second driving device; the output end of the third driving device faces the loading position, and the first clamping block and the second clamping block are arranged on the output end of the third driving device.

Preferably, the feeding assembly comprises a base and a first driving device arranged on the base and used for controlling the clamping component to move to and fro between a material taking position and a material loading position; the output end of the first driving device is connected with the connecting seat.

Preferably, the rack is provided with a driving assembly for controlling the lifting motion of the feeding assembly; the driving assembly comprises a guide rail arranged along the height direction of the rack, a sliding block connected to the guide rail in a sliding manner and a fourth driving device for driving the sliding block to reciprocate along the guide rail; the base is connected with the slider.

Preferably, the number of the feeding assemblies is two, and the feeding assemblies are arranged on two sides of the rack side by side.

Preferably, the first driving device is a linear module; the second driving device is a rotary air cylinder; the third driving device is a driving cylinder; the fourth driving device is a servo motor.

Preferably, the conveying direction of the linear module is perpendicular to the moving direction of the sliding block.

Preferably, the device further comprises an organ cover; the organ covers are fixed to the top and the bottom of the base respectively, and cover the periphery of the guide rail.

The utility model discloses the beneficial effect who gains is:

1. the structure is simple, the manufacturing cost is low, the later maintenance is convenient, and the requirements of medium and small enterprises are met.

2. The operation is stable, the clamping is stable, the precision is high, and the device is suitable for being used in a high-precision automatic production line.

3. The conveying efficiency is high, and alternate operation reduces the time interval among the material loading process, has improved production efficiency.

Drawings

FIG. 1 is a schematic structural view of a feeding device in embodiments 1-3 of the present invention;

FIG. 2 is a schematic view of a portion of A of FIG. 1;

fig. 3 is a second schematic structural diagram of a feeding device in embodiments 1-3 of the present invention.

Description of reference numerals: 1-a feeding device; 2-a frame; 3-a feeding assembly; 31-a first feeding assembly; 32-a second feeding assembly; 4-a connecting seat; 5-a clamping member; 51-a swing arm block; 52-a first clamp block; 53-a second clamp block; 54-a third drive; 6-a base; 7-a first drive; 9-a second drive; 10-a guide rail; 11-a fourth drive; 12-an organ cover; 13-clearance groove.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention will be further described in detail with reference to the following embodiments thereof; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Other systems, methods, and/or features of the present embodiments will become apparent to those skilled in the art upon review of the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the invention, and be protected by the accompanying claims. Additional features of the disclosed embodiments are described in, and will be apparent from, the detailed description that follows.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc., indicating directions or positional relationships based on those shown in the drawings, it is only for convenience of description and simplicity of description, but not for indicating or implying that the indicated device or component must have a specific direction, be constructed in a specific direction, and operate, and therefore the terms describing the positional relationships in the drawings are used for illustrative purposes only and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the above terms according to specific situations.

The first embodiment is as follows:

a feeding device 1 for a profile production line as shown in fig. 1 to 3, comprising a frame 2 and two feeding assemblies 3 arranged on the frame 2 in an alternate operation state; the number of the feeding assemblies 3 is two, and the feeding assemblies are arranged on two sides of the rack 2 side by side; the feeding assembly 3 can move relative to the frame 2 and is provided with a feeding path; the feeding path sequentially comprises a material taking position for grabbing the section bar, a material feeding position for fixing the section bar on the conductive frame and a no-load position of the section bar to be grabbed; the feeding assembly 3 comprises a connecting seat 4 and a clamping part 5 which is arranged on the connecting seat 4 and used for clamping the section bar; the clamping part 5 can turn relative to the connecting seat 4 and is provided with a turning path; the starting end of the turnover path is located in the material taking position, and the tail end of the turnover path is located in the material loading position.

In order to control the clamping component 5 to move to the material taking position to clamp the profile, and control the clamping component 5 to approach the material loading position, so as to facilitate loading, the loading assembly 3 in this embodiment 1 includes a base 6 and a first driving device 7, which is arranged on the base 6 and is used for controlling the clamping component 5 to move to and from the material taking position and the material loading position; the output end of the first driving device 7 is connected with the connecting seat 4.

As shown in fig. 1-2, in order to fix the section bar from the upper station conveyor belt on the conductive frame, and because the section bar fixing position is higher than the conveyor belt, the connecting seat 4 in this embodiment 1 is provided with a second driving device 9 for driving the clamping component 5 to perform a turning motion; the clamping component 5 comprises a swing arm block 51, a first clamping block 52, a second clamping block 53 matched with the first clamping block 52 and a third driving device 54 for driving the first clamping block 52 and the second clamping block 53 to be opened and closed; one end of the swing arm block 51 is connected with the output end of the second driving device 9; the third driving device 54 is located at one end of the swing arm block 51 far away from the second driving device 9; the output of the third drive 54 is oriented towards the loading position and the first clamping block 52 and the second clamping block 53 are arranged on the output of the third drive 54.

As shown in fig. 3, in order to meet the requirements of different intervals between the profiles, a driving assembly for controlling the lifting movement of the feeding assembly 3 is arranged on the frame 2 in this embodiment 1; the driving assembly comprises a guide rail 10 arranged along the height direction of the rack 2, a sliding block connected to the guide rail 10 in a sliding manner, and a fourth driving device 11 driving the sliding block to reciprocate along the guide rail 10; the base 6 is connected with the slider.

In order to achieve higher conveying efficiency and output speed in the feeding process, the first driving device 7 in this embodiment 1 is a linear module; the second driving device 9 is a rotary cylinder; the third driving device 54 is a driving cylinder; the fourth driving device 11 is a servo motor. And the conveying direction of the linear module is perpendicular to the moving direction of the sliding block.

In addition, as shown in fig. 1 and 3, in order to prevent dust or other components from touching the guide rail 10, which may cause damage to the components and affect the service life, the present embodiment 1 further includes an organ cover 12; the organ cover 12 is fixed to the top and the bottom of the base 6, and the organ cover 12 covers the periphery of the guide rail 10.

This embodiment 1 mainly applies to the process of going up in the aluminium alloy production, and the process of going up is mainly fixed to the electrically conductive frame with coming from the aluminium alloy that is located on the conveyer belt of loading attachment 1 station. Because the length of aluminium alloy is long, so need set up two loading attachment 1, two loading attachment 1 are located the both ends of aluminium alloy respectively. Wherein, one end of the conveyer belt close to the feeding device 1 is positioned in the material taking position.

Each feeding device 1 comprises two feeding assemblies 3, namely a first feeding assembly 31 and a second feeding assembly 32, wherein the first feeding assembly 31 and the second feeding assembly 32 are arranged side by side. First, the first driving device 7 drives the holding member 5 to move toward the material taking position; further, the third driving device 54 controls the first clamping block 52 and the second clamping block 53 to clamp the aluminum profile; further, the first driving device 7 drives the clamping component 5 to move towards the upper material level until the lower part of the conductive frame; further, the second driving device 9 drives the clamping component 5 to turn over 90 degrees towards the conductive frame, and the aluminum profile is lapped on the conductive frame; further, the third driving device 54 controls the first clamping block 52 and the second clamping block 53 to release the aluminum profile, and the second driving device 9 is reset and is in a no-load position; further, the gripping member 5 is driven by the first driving means 7 to move from the idle position toward the take-out position.

In order to improve the conveying efficiency and reduce the time interval, the first feeding assembly 31 and the second feeding assembly 32 move alternately, and when the first feeding assembly 31 is at the feeding position, the second feeding assembly 32 is at the taking position; when the first feeding assembly 31 is at the idle position after feeding, the second feeding assembly 32 is at the feeding position and performs feeding; the first feeding assembly 31 and the second feeding assembly 32 alternately take and feed materials, so that the aluminum profile is continuously fixed on the conductive frame.

Example two:

a feeding device 1 for a profile production line as shown in fig. 1 to 3, comprising a frame 2 and two feeding assemblies 3 arranged on the frame 2 in an alternate operation state; the number of the feeding assemblies 3 is two, and the feeding assemblies are arranged on two sides of the rack 2 side by side; the feeding assembly 3 can move relative to the frame 2 and is provided with a feeding path; the feeding path sequentially comprises a material taking position for grabbing the section bar, a material feeding position for fixing the section bar on the conductive frame and a no-load position of the section bar to be grabbed; the feeding assembly 3 comprises a connecting seat 4 and a clamping part 5 which is arranged on the connecting seat 4 and used for clamping the section bar; the clamping part 5 can turn relative to the connecting seat 4 and is provided with a turning path; the starting end of the turnover path is located in the material taking position, and the tail end of the turnover path is located in the material loading position. Wherein, one end part of the conveyer belt close to the feeding device 1 is positioned in the material taking position; the material taking position is located at an upper station of the material loading position, and the no-load position is located at a lower station of the material loading position. The material taking position refers to a station for clamping the aluminum profile on the conveying belt by moving the clamping component 5 downwards towards the conveying belt by the first driving device 7; the material loading position refers to a position where the clamping component 5 is far away from the conveying belt under the action of the first driving device 7 after clamping the aluminum profile and moves to the lower part of the conductive frame, and the second driving device 9 drives the clamping component 5 to rotate and lap the aluminum profile on the conductive frame; the no-load position refers to a position where the aluminum profile is fixed on the conductive frame, the clamping component 5 loosens the aluminum profile, and the second driving device 9 controls the clamping component 5 to rotate, reset and wait for the first driving device 7 to control the clamping component 5 to move towards the conveying belt.

In order to control the clamping component 5 to move to the material taking position to clamp the profile, and control the clamping component 5 to approach the material loading position, so as to facilitate loading, the loading assembly 3 in this embodiment 2 includes a base 6 and a first driving device 7, which is arranged on the base 6 and is used for controlling the clamping component 5 to move to and from the material taking position and the material loading position; the output end of the first driving device 7 is connected with the connecting seat 4.

As shown in fig. 1-2, in order to fix the section bar from the upper station conveyor belt on the conductive frame, and because the section bar fixing position is higher than the conveyor belt, the connecting seat 4 in this embodiment 2 is provided with a second driving device 9 for driving the clamping component 5 to perform a turning motion; the clamping component 5 comprises a swing arm block 51, a first clamping block 52, a second clamping block 53 matched with the first clamping block 52 and a third driving device 54 for driving the first clamping block 52 and the second clamping block 53 to be opened and closed; one end of the swing arm block 51 is connected with the output end of the second driving device 9; the third driving device 54 is located at one end of the swing arm block 51 far away from the second driving device 9; the output of the third drive 54 is directed towards the loading level and the first and second clamping blocks 52, 53 are disposed on the output of the third drive 54; the second driving device 9 can set the rotation angle of the second driving device 9 according to the position of the conductive frame, thereby ensuring that the aluminum profile is accurately fixed on the conductive frame.

As shown in fig. 3, in order to meet the requirement of different intervals between the profiles, a driving assembly for controlling the lifting movement of the feeding assembly 3 is arranged on the frame 2 in this embodiment 2; the driving assembly comprises a guide rail 10 arranged along the height direction of the rack 2, a sliding block connected to the guide rail 10 in a sliding manner, and a fourth driving device 11 driving the sliding block to reciprocate along the guide rail 10; the base 6 is connected with the slider.

In order to achieve higher conveying efficiency and output speed in the feeding process, the first driving device 7 in this embodiment 2 is a linear module; the second driving device 9 is a rotary cylinder; the third driving device 54 is a driving cylinder; the fourth driving device 11 is a servo motor. And the conveying direction of the linear module is perpendicular to the moving direction of the sliding block.

In addition, as shown in fig. 1 and 3, in order to prevent dust or other components from touching the guide rail 10, which may cause damage to the components and affect the service life, the present embodiment 2 further includes an organ cover 12; the organ cover 12 is fixed to the top and the bottom of the base 6, and the organ cover 12 covers the periphery of the guide rail 10.

This embodiment 2 mainly applies to the process of going up in the aluminium alloy production, and the process of going up is mainly fixed to the electrically conductive frame with coming from the aluminium alloy that is located on the conveyer belt of loading attachment 1 station. Because the length of aluminium alloy is long, so need set up two loading attachment 1, two loading attachment 1 are located the both ends of aluminium alloy respectively. Wherein, one end of the conveyer belt close to the feeding device 1 is positioned in the material taking position.

Example three:

As shown in fig. 1 and 3, a clearance groove 13 is arranged on one side of the frame 2 where the guide 10 is arranged; the guide rail 10 is installed on the end surface of the clearance groove 13, and a transmission mechanism for driving the sliding block to move along the guide rail 10 is hidden in the clearance groove 13.

In order to control the clamping component 5 to move to the material taking position to clamp the profile, and control the clamping component 5 to approach the material loading position, so as to facilitate loading, the loading assembly 3 in this embodiment 3 includes a base 6 and a first driving device 7, which is arranged on the base 6 and is used for controlling the clamping component 5 to move to and from the material taking position and the material loading position; the output end of the first driving device 7 is connected with the connecting seat 4.

As shown in fig. 1-2, in order to fix the section bar from the upper station conveyor belt on the conductive frame, and because the section bar fixing position is higher than the conveyor belt, the connecting seat 4 in this embodiment 3 is provided with a second driving device 9 for driving the clamping component 5 to perform a turning motion; the clamping component 5 comprises a swing arm block 51, a first clamping block 52, a second clamping block 53 matched with the first clamping block 52 and a third driving device 54 for driving the first clamping block 52 and the second clamping block 53 to be opened and closed; one end of the swing arm block 51 is connected with the output end of the second driving device 9; the third driving device 54 is located at one end of the swing arm block 51 far away from the second driving device 9; the output of the third drive 54 is directed towards the loading level and the first and second clamping blocks 52, 53 are disposed on the output of the third drive 54; the second driving device 9 can set the rotation angle of the second driving device 9 according to the position of the conductive frame, thereby ensuring that the aluminum profile is accurately fixed on the conductive frame.

As shown in fig. 3, in order to meet the requirements of different intervals between the profiles, a driving assembly for controlling the lifting movement of the feeding assembly 3 is arranged on the frame 2 in this embodiment 3; the driving assembly comprises a guide rail 10 arranged along the height direction of the rack 2, a sliding block connected to the guide rail 10 in a sliding manner, and a fourth driving device 11 driving the sliding block to reciprocate along the guide rail 10; the base 6 is connected with the slider.

In order to achieve higher conveying efficiency and output speed in the feeding process, the first driving device 7 in this embodiment 3 is a linear module; the second driving device 9 is a rotary cylinder; the third driving device 54 is a driving cylinder; the fourth driving device 11 is a servo motor. And the conveying direction of the linear module is perpendicular to the moving direction of the sliding block. The first driving device 7 can also use an air cylinder or a hydraulic cylinder, and the second driving device 9 can also be a servo motor, and drives the swing arm block 51 to rotate through the matching of a gear and a belt; the fourth driving means 11 may also be a pneumatic or hydraulic cylinder.

This embodiment 3 mainly applies to the process of going up in the aluminium alloy production, and the process of going up is mainly fixed to the electrically conductive frame with coming from the aluminium alloy that is located on the conveyer belt of loading attachment 1 station. Because the length of aluminium alloy is long, so need set up two loading attachment 1, two loading attachment 1 are located the both ends of aluminium alloy respectively. Wherein, one end of the conveyer belt close to the feeding device 1 is positioned in the material taking position.

Although the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the invention. That is, the methods, systems, and devices discussed above are examples. Various configurations may omit, substitute, or add various procedures or components as appropriate. For example, in alternative configurations, the methods may be performed in an order different than that described, and/or various components may be added, omitted, and/or combined. Moreover, features described with respect to certain configurations may be combined in various other configurations, as different aspects and elements of the configurations may be combined in a similar manner. Further, elements therein may be updated as technology evolves, i.e., many elements are examples and do not limit the scope of the disclosure or claims.

Specific details are given in the description to provide a thorough understanding of the exemplary configurations including implementations. However, configurations may be practiced without these specific details, for example, well-known circuits, processes, algorithms, structures, and techniques have been shown without unnecessary detail in order to avoid obscuring the configurations. This description provides example configurations only, and does not limit the scope, applicability, or configuration of the claims. Rather, the foregoing description of the configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made in the function and arrangement of elements without departing from the spirit or scope of the disclosure.

It is intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that it is the following claims, including all equivalents, that are intended to define the spirit and scope of this invention. The above examples are to be understood as merely illustrative of the present invention and not as limiting the scope of the invention. After reading the description of the present invention, the skilled person can make various changes or modifications to the present invention, and these equivalent changes and modifications also fall within the scope of the present invention defined by the claims.

Claims

1. A feeding device for a profile production line is characterized by comprising a rack and at least two feeding assemblies which are arranged on the rack and are alternately arranged in an operating state; the feeding assembly can move relative to the rack and is provided with a feeding path; the feeding path sequentially comprises a material taking position for grabbing the section bar, a material feeding position for fixing the section bar on the conductive frame and a no-load position of the section bar to be grabbed; the feeding assembly comprises a connecting seat and a clamping component which is arranged on the connecting seat and used for clamping the section; the clamping part can turn relative to the connecting seat and forms a turning path; the starting end of the turning path is positioned in the material taking position, and the tail end of the turning path is positioned in the material loading position; the connecting seat is provided with a second driving device for driving the clamping component to turn; the clamping part comprises a swing arm block, a first clamping block, a second clamping block matched with the first clamping block and a third driving device for driving the first clamping block and the second clamping block to be opened and closed; one end of the swing arm block is connected with the output end of the second driving device; the third driving device is positioned on one end part of the swing arm block, which is far away from the second driving device; the output end of the third driving device faces the loading position, and the first clamping block and the second clamping block are arranged on the output end of the third driving device.

2. A loading apparatus for a profile production line as in claim 1, wherein said loading assembly comprises a base and a first drive means provided on said base for controlling said gripping members to move to and from a take-off position and a loading position; the output end of the first driving device is connected with the connecting seat.

3. A loading device for a section bar production line according to claim 2, wherein a driving component for controlling the lifting motion of the loading component is arranged on the machine frame; the driving assembly comprises a guide rail arranged along the height direction of the rack, a sliding block connected to the guide rail in a sliding manner and a fourth driving device for driving the sliding block to reciprocate along the guide rail; the base is connected with the slider.

4. A loading device for a section bar production line according to claim 1, wherein said loading assemblies are two in number and arranged side by side on both sides of said frame.

5. A loading device for a section bar production line according to claim 3, wherein said first driving means is a linear module; the second driving device is a rotary air cylinder; the third driving device is a driving cylinder; the fourth driving device is a servo motor.

6. A loading device for section bar production line according to claim 5, characterized in that the conveying direction of said linear die set is perpendicular to the moving direction of said slide.

7. A loading apparatus for a section bar production line according to claim 3, further comprising an organ cover; the organ covers are fixed to the top and the bottom of the base respectively, and cover the periphery of the guide rail.