CN111151674A

CN111151674A - A hydraulic feeder

Info

Publication number: CN111151674A
Application number: CN202010060831.3A
Authority: CN
Inventors: 李智豪; 陈嘉豪; 李炯宏; 李智敏
Original assignee: Guangdong Hongxing Machinery Co ltd
Current assignee: Guangdong Hongxing Machinery Co ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-05-15

Abstract

A hydraulic feeding machine, including a frame, a mobile table, a secondary positioning device for picking and placing sheet parts, a lifting device for sheet loading, a lifting device for sheet parts, an electro-hydraulic control device, etc. Place the secondary positioning device, two sheet loading and lifting devices and one sheet lifting device; the mobile table slides back and forth on the frame through the electro-hydraulic control device, and during positioning, one end of the loading station is connected to a sheet metal. The part loading jacking device is aligned, the other end of the loading station that has completed the loading is aligned with a sheet part lifting device, and the forklift transports the neatly arranged plate stacks into the lacking material loading station. After the loading jacking device lifts up to make the plate stack leave the forklift arm, the forklift exits, the sheet loading jacking device descends so that the plate stack is placed on the loading station, and at the same time, the sheet lifting device lifts the sheet metal upwards. The secondary positioning device for picking and placing the sheet parts is picked up by the secondary positioning platform for positioning. The invention can realize the uninterrupted production operation of the sheet metal stamping automatic production line.

Description

Hydraulic feeding machine

Technical Field

The invention relates to a hydraulic feeding machine.

Background

The sheet metal stamping industry commonly uses an automatic stamping line, which is basically composed of a punch, a manipulator and a feeding machine. The feeding machine is used for placing the metal plate parts before stamping, and the mechanical arm picks up the metal plate parts after accurate positioning and directly sends the metal plate parts into the die for stamping. The design of the feeding machine can enable the automatic stamping line to continue working without waiting, and meanwhile, the next batch of orderly arranged sheet metal parts are placed on the idle station to be stacked, so that the next round of working can be met. However, due to the fact that the weight of stacked metal plates is large and the forklift arm interferes with the mobile station, in the prior art, only a small number of metal plates can be placed on the mobile station one by hand, the metal plates are placed through manpower, time and labor are consumed, the original purpose of saving manpower of a stamping automatic line cannot be reflected, and meanwhile production efficiency is low and cost is high. Therefore, further improvements are necessary.

Disclosure of Invention

The invention aims to provide a hydraulic feeding machine which can prevent workers from loading metal plates one by one, and the metal plates which are accurately positioned can be directly placed into a die of the feeding machine for stamping by matching with the use of a manipulator, so that the defects in the prior art are overcome.

According to a hydraulic feeding machine of this purpose design, including frame, mobile station, its characterized in that: the device comprises a rack, a moving platform, a secondary positioning device for picking and placing the metal plate parts, an electro-hydraulic control device, at least two loading stations, at least two metal plate part loading jacking devices and at least one metal plate part lifting device, wherein the moving platform slides on a slide rail of the rack in a reciprocating manner through the electro-hydraulic control device, the rack is also provided with the secondary positioning device for picking and placing the metal plate parts, the at least two metal plate part loading jacking devices and the at least one.

The sliding block is arranged on the moving platform, the sliding driving device is arranged on the rack and comprises a reciprocating driving hydraulic cylinder and a connecting piece, wherein the reciprocating driving hydraulic cylinder is arranged on the rack, the power output end of the reciprocating driving hydraulic cylinder is in driving connection with the connecting piece, the connecting piece is in matched connection with the moving platform, and the moving platform slides on the rack in a reciprocating mode through the matching of the reciprocating driving hydraulic cylinder and the connecting piece; and through holes for the loading and lifting devices of the sheet metal parts and the sheet metal part lifting devices to pass through are formed in the centers of the at least two loading stations.

The metal plate lifting device is arranged on the rack and is positioned between two adjacent metal plate loading and lifting devices; the metal plate part loading and lifting device and the metal plate part lifting device respectively comprise an upper driving hydraulic cylinder, a lower driving hydraulic cylinder, a guide rod and a material pushing block; the upper and lower driving hydraulic cylinders are arranged on the rack and provided with hydraulic rods connected with the material ejecting block, and the guide rods are arranged on the rack and connected with the material ejecting block.

The device comprises a rack, and is characterized in that a material ejecting detector used for detecting whether a metal plate part comes or not is further arranged on the rack, and the material ejecting detector is electrically connected with the metal plate part lifting device and controls the metal plate part lifting device to stop working or eject the metal plate part when detecting that the metal plate part comes or lacks material.

The liftout detector is electrically connected with the upper and lower driving hydraulic cylinders; the material ejecting block is vertically movable on the rack through the cooperation of the material ejecting detector, the vertical driving hydraulic cylinder and the guide block.

The secondary positioning device for picking and placing the sheet metal part comprises a truss, a sliding table, a servo motor and a synchronous belt; the truss is fixedly arranged on the rack and stretches across the upper part of the metal plate lifting device, the truss is also provided with a fixed rail, the servo motor is arranged on the truss, the power output end of the servo motor is in driving connection with the synchronous belt, the sliding table is in driving connection with the synchronous belt, and the sliding block is arranged on the sliding table; the sliding table slides on the fixed rail of the truss through the matching of the servo motor, the synchronous belt and the sliding block.

The electro-hydraulic control device comprises an electric control box and a hydraulic station which are electrically connected with each other, and the hydraulic station provides power for the metal plate part loading and jacking device, the metal plate part lifting device and the mobile station through the control of the electric control box and controls the metal plate part taking and placing secondary positioning device to take and place the material.

The mobile station is provided with a plurality of guide blocks used for preventing the tilting of the metal plate in the lifting process corresponding to the loading station respectively, and the guide blocks are uniformly arranged outside the loading station in an enclosing manner.

The rack is also provided with a secondary positioning platform which is positioned at the end part of the truss; the sliding table is also provided with an upper driving cylinder and a lower driving cylinder and a sucker frame, the upper driving cylinder and the lower driving cylinder are arranged on the sliding table, and the power output end of the upper driving cylinder and the power output end of the lower driving cylinder are in driving connection with the sucker frame.

Through the improvement of the structure, the rack is provided with at least two metal plate loading and jacking devices and at least one metal plate lifting device, the moving platform slides on the rack in a reciprocating manner, and is also provided with at least two loading stations for placing the metal plates, and the at least two loading stations are respectively aligned with one of the metal plate loading and jacking devices and one of the metal plate lifting devices when the moving platform slides in the reciprocating manner.

When the forklift can convey a certain number of metal plates to extend into the moving platform, the metal plate part charging and lifting device can lift a certain height to enable the stacked metal plates to leave a forklift arm when being aligned with one of the charging stations, the metal plate part charging and lifting device carries the stacked metal plates, the forklift retreats, the metal plate part charging and lifting device descends to enable the stacked metal plates to be placed on the charging stations, the jacking block of the metal plate part charging and lifting device descends to be lower than the bottom of the moving platform through a through hole in the moving platform to avoid sliding interference of the moving platform, the charging and positioning of the metal plates can be realized through the guiding effect of the guide block, and the tilting of the metal plates in the lifting process is prevented, so that the traditional manual operation of charging the metal plates is effectively replaced, the production efficiency is greatly improved, the workload, the labor cost and the error rate of workers are reduced, and the danger problem of the workers during charging of the metal plates is avoided.

When the metal plate part lifting device is aligned with one of the loading stations, the metal plate part lifting device is upwards jacked up to be picked up by the metal plate part picking and placing secondary positioning device, and the picked metal plate part is conveyed to the secondary positioning platform after secondary positioning to be fed into a die by a manipulator for stamping. Therefore, uninterrupted production operation of loading and loading of the mobile station is realized, and the labor division is clear, so that the production efficiency is further improved.

Meanwhile, the sheet metal part loading and lifting device designed on the rack can save the use of stacking forklift brackets, so that the total number of stacked sheets is increased, and the space utilization rate is improved.

Comprehensively, it has simple structure reasonable, the performance is excellent, convenient operation, production efficiency is high, safe and reliable and characteristics such as intelligent, automation, the practicality is strong.

Drawings

Fig. 1 is a schematic view of an assembly structure of the first embodiment of the present invention.

Fig. 2 and fig. 3 are schematic views of an assembly structure of a rack and a mobile station according to a first embodiment of the present invention (a sheet picking and placing positioning device is omitted).

Fig. 4 is a schematic diagram of a rack structure according to a first embodiment of the present invention (omitting a moving table, a stacking guide block, a sheet picking and placing secondary positioning device, and a secondary positioning platform).

Fig. 5 and 6 are schematic structural views of a plate taking and placing positioning device according to a first embodiment of the invention.

Detailed Description

The invention is further described with reference to the following figures and examples.

Referring to fig. 1-6, the hydraulic feeder comprises a frame 4, a moving table 8, a secondary positioning device 16 for picking and placing metal plate parts and an electro-hydraulic control device 9, wherein the moving table 8 slides on a slide rail 15 of the frame 4 in a reciprocating manner through the electro-hydraulic control device 9, at least two loading stations 11 are arranged on the moving table 8, and the frame 4 is further provided with the secondary positioning device 16 for picking and placing metal plate parts, at least two jacking devices 1 for loading metal plate parts and at least one lifting device 2 for lifting metal plate parts.

A slide block 16 is arranged on the moving platform 8, a sliding driving device is arranged on the rack 4, and the sliding driving device comprises a reciprocating driving hydraulic cylinder 13 and a connecting piece 14, wherein the reciprocating driving hydraulic cylinder 13 is arranged on the rack 4, the power output end of the reciprocating driving hydraulic cylinder is in driving connection with the connecting piece 14, the connecting piece 14 is in matching connection with the moving platform 8, and the moving platform 8 slides on the rack 4 in a reciprocating manner through the matching of the reciprocating driving hydraulic cylinder 13 and the connecting piece 14; and the centers of the at least two loading stations 11 are provided with through holes through which the metal plate part loading and jacking device 1 and the metal plate part lifting device 2 can pass.

The electro-hydraulic control device 9 comprises an electric control box and a hydraulic station which are electrically connected with each other, and the hydraulic station provides power for the metal plate part loading and jacking device 1, the metal plate part lifting device 2 and the moving platform 8 under the control of the electric control box and controls the metal plate part taking and placing secondary positioning device 16 to take and place materials.

The metal plate lifting devices 2 are arranged on the frame 4 and are positioned between two adjacent metal plate loading and lifting devices 1, and the mounting center distances among the devices are the same; one of the at least two loading stations 11 lifts the sheet metal through the sheet metal lifting device 2, the sheet metal picking and placing secondary positioning device 16 picks up the sheet metal lifted upwards and places the sheet metal on the secondary positioning platform 23, and the other loading stations 11 place the sheet metal through the sheet metal loading and lifting device 1.

The metal plate part charging and jacking device 1 and the metal plate part lifting device 2 respectively comprise an upper driving hydraulic cylinder 12, a lower driving hydraulic cylinder 12, a guide rod 3 and a jacking block 7; the vertical driving hydraulic cylinder 12 is arranged on the rack 4, a hydraulic rod of the vertical driving hydraulic cylinder is connected with the material ejecting block 7, the guide rod 3 is connected with the material ejecting block 7 and is arranged on the rack 4, and the material ejecting block 7 is vertically movable on the rack 4 through the cooperation of the vertical driving hydraulic cylinder 12 and the guide rod 3.

The mobile station 8 is provided with a plurality of guide blocks 6 corresponding to the loading station 11 respectively, and the guide blocks 6 are uniformly arranged on the outer side of the loading station 11 in a surrounding manner to prevent the metal plate from tilting in the lifting process; the aligned sheet metal parts are stacked on a loading station 11.

The frame 4 is also provided with a material ejecting detector 5 for detecting whether the metal plate is supplied or not, the material ejecting detector 5 is electrically connected with the metal plate lifting device 2, and the metal plate lifting device 2 is controlled to stop working or eject the metal plate when the supplied material or the lack of the supplied material of the metal plate is detected. Specifically, the liftout detector 5 is electrically connected with the upper and lower driving hydraulic cylinders 12; the material ejecting block 7 is vertically movable on the frame 4 through the cooperation of the material ejecting detector 5, the vertical driving hydraulic cylinder 12 and the guide block 3

Specifically, the frame 4 of the embodiment is provided with two sheet metal component loading and lifting devices 1 and one sheet metal component lifting device 2, and the moving table 8 is provided with two stacking stations 11.

The metal plate part taking and placing positioning device 16 comprises a truss 17, a sliding table 18, a servo motor 19 and a synchronous belt 24; wherein, the truss 17 is fixedly arranged on the frame 4 and stretches across the upper part of the sheet metal lifting device 2, the truss 17 is also provided with a fixed rail 25, the servo motor 19 is arranged on the truss 17, the power output end of the servo motor is in driving connection with a synchronous belt 24, the sliding table 18 is in driving connection with the synchronous belt 24 and is provided with a sliding block 26; the sliding table 18 slides on the fixed rail 25 of the truss 17 through the matching of the servo motor 19, the synchronous belt 24 and the sliding block 26.

The frame 4 is also provided with a secondary positioning platform 23, and the secondary positioning platform 23 is positioned at the end part of the truss 17; the sliding table 18 is further provided with a driving cylinder 20 and a suction disc frame 21, the driving cylinder 20 is arranged on the sliding table 18, the power output end of the driving cylinder is in driving connection with the suction disc frame 21, the suction disc frame 21 is driven by the driving cylinder 20 to move up and down on the sliding table 18 and pick up the metal plate part when moving up and down, and the picked metal plate part is placed on a secondary positioning platform 23 through the metal plate part picking and placing positioning device 16.

The outside of the frame 4 is also provided with a manipulator 30. The sliding direction of the movable stage 8 and the sliding direction of the sliding stage 18 are perpendicular to each other.

When the mobile station 8 is positioned, a loading station 11 at one end is aligned with one metal plate loading jacking device 1, a loading station 11 at the other end, which has completed loading, is aligned with one metal plate lifting device 2, and a through hole for a jacking block to pass through is formed in the center of each station of the mobile station; the forklift feeds the orderly arranged plate stacks into a material loading station 11 which is short of materials, the plate component loading jacking device 1 jacks to enable the plate stacks to leave a forklift arm, the forklift withdraws, the plate component loading jacking device 1 descends to enable the plate stacks to be placed on the material loading station 11, the jacking block 7 of the plate component loading jacking device 1 descends to pass through a through hole in the moving platform 8 and be lower than the moving platform bottom to avoid sliding interference of the moving platform 8, and meanwhile, the plate component lifting device 2 slowly jacks the plate components upwards to enable the plate component taking and placing secondary positioning device 16 to pick up a secondary positioning platform 23 for positioning.

The specific working process is as follows:

the mobile station 8 can simultaneously stack the metal plates at two loading stations 11, and when one loading station 11 is aligned with the metal plate lifting device 2, the metal plate lifting device 2 upwards jacks up the metal plate to be picked up by the metal plate picking and placing secondary positioning device 16.

The process of picking and placing the secondary positioning device 16 for the sheet metal part is as follows: the servo motor 19 drives the synchronous belt 24 to rotate, the synchronous belt 24 drives the sliding table 18 to slide on the fixed rail 25 of the truss 17 through the sliding block 26 when rotating, and the sliding table 18 is positioned above the sheet metal part lifting device 2 when sliding to a certain position; at this time, the driving cylinder 20 starts to work, the driving chuck frame 21 moves downwards and sucks the metal plate through the chuck arranged on the driving cylinder, then the driving cylinder 20 retracts and lifts, the servo motor 19 drives the sliding table 18 to slide onto the secondary positioning platform 23, the driving cylinder 20 drives the driving chuck frame 21 to move downwards again and position the metal plate on the secondary positioning platform 23, finally the driving cylinder 20 retracts, and the sliding table 18 slides back to the position above the metal plate lifting device 2 and waits for the next operation. And then the mechanical arm 30 sucks the positioned sheet metal part from the secondary positioning platform 23 to a press machine for stamping.

The sheet metal part picking process is as follows: when the material ejection detector 5 detects that the material is short, the material ejection block 7 of the metal plate lifting device 2 ascends to eject the metal plate, when the material ejection detector 5 detects that the material is ejected, the hydraulic cylinder 12 is driven up and down to stop working, and meanwhile, a control hydraulic valve of the electro-hydraulic control device 9 locks a hydraulic loop to keep waiting for the mechanical arm 30 to pick up the metal plate. When the material ejecting block 7 reaches the material ejecting upper limit position and the material ejecting detector 5 is always short of material, the material ejecting detector 5 judges that the material stacking station 11 finishes feeding, the material ejecting block 7 descends to the lower limit position, the hydraulic cylinder 13 is driven to work in a reciprocating mode, the other material stacking station 11 is driven to be aligned with the metal plate lifting device 2, and the actions are repeated.

The charging process is as follows: the metal plate part charging and lifting device 1 is lifted to a certain height, the height is larger than the thickness of a forklift arm, the forklift can directly place the stacked metal plates on a material ejecting block 7 of the metal plate part charging and lifting device 1 at the moment, then the forklift moves away, the metal plate part charging and lifting device 1 descends to a safe position, the metal plates are immediately placed on a stacking station 11 of a moving table 8, and finally a stacking guide block 6 is mounted on the moving table 8, so that the stacking positioning of the metal plates can be completed.

The drawings are for illustrative purposes only and are presented in the form of illustrations only, not illustrations as physical or logical, and should not be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Moreover, like or similar reference numerals in the drawings of the embodiments of the present invention correspond to like or similar components; in the description of the present invention, it should be understood that, if there are any terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "lateral", "longitudinal", "top", "bottom", "inner", "outer", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is for convenience only and to simplify the description, but it is not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the terms describing the positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Claims

1. A hydraulic feeder, comprising a frame (4), a mobile platform (8), and characterized in that: it also includes a secondary positioning device (16) for picking and placing sheet parts and an electro-hydraulic control device (9), and the mobile platform (8) Reciprocating sliding on the slide rail (15) of the frame (4) through the electro-hydraulic control device (9), at least two loading stations (11) are arranged on the mobile platform (8), and the frame (4) ) is also provided with a secondary positioning device (16) for picking and placing sheet parts, at least two sheet-part loading and lifting devices (1) and at least one sheet-part lifting device (2).

2. The hydraulic feeder according to claim 1, characterized in that: a sliding block (16) is provided on the moving table (8), a sliding drive device is provided on the frame (4), and the sliding drive device comprises: A reciprocating driving hydraulic cylinder (13) and a connecting piece (14), wherein the reciprocating driving hydraulic cylinder (13) is arranged on the frame (4), and its power output end is drivingly connected with the connecting piece (14), and the connecting piece (14) ) is matched and connected with the mobile platform (8), and the mobile platform (8) is slid back and forth on the frame (4) through the cooperation of the reciprocating driving hydraulic cylinder (13) and the connecting piece (14); The center of the position (11) is provided with a through hole through which the sheet-part loading and lifting device (1) and the sheet-part lifting device (2) can pass.

3. The hydraulic feeding machine according to claim 1, characterized in that: the sheet lifting device (2) is installed on the frame (4), and is located in two adjacent sheet loading lifting devices ( 1); the sheet loading and lifting device (1) and the sheet lifting device (2) respectively comprise an upper and lower driving hydraulic cylinder (12), a guide rod (3) and a lifting block (7); wherein, the upper and lower driving The hydraulic cylinder (12) is arranged on the frame (4), and a hydraulic rod is arranged on it to connect with the ejector block (7), and the guide rod (3) is arranged on the frame (4) and is connected with the ejector block (7). 7) Connect.

4. The hydraulic feeder according to claim 3, characterized in that: the frame (4) is further provided with a top material detector (5) for detecting whether the sheet metal is incoming, and the top material detector ( 5) It is electronically connected to the sheet metal lifting device (2), and controls the sheet lifting device (2) to stop working or lift the sheet metal when detecting incoming or out of sheet materials.

5. The hydraulic feeder according to claim 4, characterized in that: the ejector detector (5) is electrically connected to the upper and lower driving hydraulic cylinders (12); the ejector block (7) passes through the ejector The detector (5), the up-and-down driving hydraulic cylinder (12), and the guide block (3) cooperate to move up and down on the frame (4).

6. The hydraulic feeding machine according to claim 1, characterized in that: the secondary positioning device (16) for picking and placing sheet parts comprises a gantry (17), a sliding table (18), a servo motor (19), a synchronous Belt (24); wherein, the truss (17) is fixedly arranged on the frame (4) and spans above the sheet metal lifting device (2), and the truss (17) is also provided with a fixed rail (25) , the servo motor (19) is arranged on the gantry (17), and its power output end is drivingly connected with the timing belt (24), and the sliding table (18) is drivingly connected with the timing belt (24), and a sliding block is provided on it (26); the sliding table (18) slides on the fixed rail (25) of the gantry (17) through the cooperation of the servo motor (19), the synchronous belt (24) and the sliding block (26).

7. The hydraulic feeder according to claim 1, characterized in that: the electro-hydraulic control device (9) comprises an electrical control box and a hydraulic station that are electrically connected to each other, and the hydraulic station is controlled by the electrical control box to form sheet metal parts The loading jacking device (1), the sheet metal lifting device (2) and the moving table (8) provide power, and control the picking and unloading actions of the sheet metal picking and placing secondary positioning device (16).

8. The hydraulic feeding machine according to claim 1, characterized in that: the mobile platform (8) is respectively provided with a plurality of guide blocks ( 6), a plurality of guide blocks (6) are evenly arranged on the outside of the charging station (11).

9. The hydraulic feeder according to claim 6, characterized in that: the frame (4) is further provided with a secondary positioning platform (23), and the secondary positioning platform (23) is located on the gantry (17) The end of the sliding table (18) is also provided with an upper and lower driving cylinder (20) and a suction cup frame (21), and the upper and lower driving cylinder (20) is arranged on the sliding table (18), and its power output end is connected to the The suction cup holder (21) is drivingly connected.