CN214692025U

CN214692025U - Automatic sheet feeding device

Info

Publication number: CN214692025U
Application number: CN202022946976.1U
Authority: CN
Inventors: 乐崇年; 张书林
Original assignee: National-Level Key Vocational School
Current assignee: National-Level Key Vocational School
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-11-12
Anticipated expiration: 2030-12-07

Abstract

The utility model relates to a sheet metal automatic feed device, which comprises a frame, the frame is equipped with first slide rail and second slide rail respectively along its direction of height and along its length direction, but sliding connection has the feed platform respectively and snatchs the mechanism on first slide rail and the second slide rail, the feed platform with snatch the mechanism and be connected in order realizing removing with elevating system and the transport mechanism of locating in the frame respectively, be equipped with positioning mechanism in the frame between the second slide rail, still be equipped with the air pump by PLC controller control in the frame, infrared sensor, first motor and second motor, the air pump is connected with snatching mechanism and positioning mechanism simultaneously, infrared sensor installs in the frame of both sides when the feed platform removes to highest position, elevating system and transport mechanism are controlled respectively to first motor and second motor. According to the technical scheme, the continuous automatic transportation and positioning of the thin plate are realized in an automatic mode, the operation time for grabbing the thin plate by the manipulator can be greatly shortened, and the consumption of manpower and material resources is saved.

Description

Automatic sheet feeding device

Technical Field

The utility model relates to a feedway, more specifically say that a sheet metal automatic feed device.

Background

Before production, part of metal parts are primarily punched from a thin plate and then manufactured by bending or other different processes. In to sheet metal material loading in-process, generally need stack it in assigned position through the mode of artifical transport, the rethread manipulator snatchs the sheet metal of stacking the completion, uses the operation of artifical transport, and degree of automation is low, and is loaded down with trivial details time-consuming, consumes a large amount of manpower and materials, and whole effect is not good.

Meanwhile, in the process of grabbing the thin plates by the manipulator, due to the fact that the number of stacked thin plates is large, friction force exists among the thin plates, the stacked thin plates are prone to tilting when grabbing, consistency of placing positions cannot be guaranteed, the manipulator cannot accurately grab the thin plates, the tilted thin plates need to be manually arranged, certain errors exist in manual arrangement, manpower consumption is further increased, and therefore the thin plate feeding structure capable of solving the problems is urgently needed.

SUMMERY OF THE UTILITY MODEL

To above circumstances, for overcoming the defect of above prior art, the utility model aims at providing a realize continuous automatic transportation of sheet metal, location through automatic mode, can greatly shorten and snatch the activity duration to and practice thrift the sheet metal automatic feed device of manpower and materials consumption.

In order to achieve the above object, the technical solution of the present invention is:

the utility model provides a sheet metal automatic feeding device, which comprises a frame, the frame is equipped with first slide rail and second slide rail respectively along its direction of height and along its length direction, but sliding connection has the feed platform respectively and snatchs the mechanism on first slide rail and the second slide rail, the feed platform with snatch the mechanism and be connected in order to realize removing with elevating system and the transport mechanism of locating in the frame respectively, be equipped with positioning mechanism in the frame between the second slide rail, still be equipped with the air pump in the frame, infrared sensor, first motor and second motor, the air pump simultaneously with snatch mechanism and positioning mechanism and be connected, infrared sensor installs in the frame of both sides when feed platform removes to the highest position, elevating system and transport mechanism are controlled respectively to first motor and second motor, and the air pump, infrared sensor, first motor and second motor are controlled by the PLC controller.

Preferably, the lifting mechanism comprises a speed reducer, a worm and gear speed reducer and a first screw and a second screw which are perpendicular to each other, the second screw penetrates through the feeding platform and is in threaded connection with the feeding platform, the first screw is in transmission connection with the second screw through the worm and gear speed reducer, and the speed reducer is arranged at one end of the first screw and is simultaneously connected with the output end of the first motor.

Preferably, the grabbing mechanism comprises a sliding block slidably connected with the second sliding rail, a support arranged on the sliding block, a material grabbing cylinder fixed on the support, a pneumatic sucker connected with a piston end of the material grabbing cylinder, and the material grabbing cylinder and the pneumatic sucker are connected with the air pump simultaneously.

Preferably, the conveying mechanism comprises a synchronous cog belt, a first driving wheel and a second driving wheel which are respectively arranged at two ends of the second sliding rail, the synchronous cog belt penetrates through a sliding block close to one side of the synchronous cog belt and is wound on the first driving wheel and the second driving wheel, the synchronous cog belt is fixed with the sliding block, and the first driving wheel is connected with the output end of the second motor.

Preferably, the positioning mechanism comprises at least one positioning cylinder and positioning stoppers arranged opposite to the positioning cylinder, each positioning cylinder and the positioning stopper arranged opposite to the positioning cylinder are arranged at intervals, and the positioning cylinder is connected with the air pump.

Preferably, the frame is provided with a guide groove and a positioning groove which are equal in number to the positioning cylinder and the positioning stop block respectively, the positioning cylinder is covered on the guide groove, the piston end of the positioning cylinder is inserted in the guide groove and can slide along the guide groove, and the positioning stop block is fixed in the positioning groove.

Preferably, the number of the positioning cylinders is two, and extension lines of respective piston rods of the two positioning cylinders are perpendicular to each other.

Preferably, the first motor and the second motor are a three-phase asynchronous motor and a servo motor, respectively.

Compared with the prior art, the utility model has the advantages of:

by the PLC controller to the air pump, infrared sensor, the operating duration execution accurate control of first motor and second motor, thereby guarantee the feed platform, it can both remove the same distance in the operation at every turn to snatch the mechanism, the problem that the sheet metal position that appears easily when having avoided the manual work to put and arrange the sheet metal differs, positioning mechanism can carry out automatic positioning with the sheet metal of waiting to be snatched by the manipulator, prevent its removal, thereby guarantee that the manipulator can both be accurate when snatching the operation at every turn and snatch the sheet metal, avoid the repeated positioning and snatch, the transportation time of sheet metal transportation and snatching has greatly been shortened, the consumption of manpower and materials has been practiced thrift.

Drawings

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

fig. 2 is a schematic view of another aspect of the present invention;

fig. 3 is a schematic side view of the structure of the present invention;

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

fig. 5 is an enlarged schematic view of part a of the present invention.

As shown in the figure:

1, a frame; 101 a guide groove; 102 positioning grooves; 2 a first slide rail; 3 a second slide rail; 4 a feeding platform; 5, an air pump; 6, an infrared sensor; 7 a first motor; 8 a second motor; 9, a speed reducer; 10 worm gear reducer; 11 a first screw; 12 a second screw; 13 a slide block; 14, a bracket; 15 a material grabbing cylinder; 16 pneumatic suction cups; 17 a timing belt; 18 a first drive wheel; 19 a second transmission wheel; 20, positioning a cylinder; 21 position the stop.

Detailed Description

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

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually arranged in when used, and are used for the convenience of description only, and do not indicate or imply that the orientations are required to have specific orientations and specific orientations, configurations and operations, and thus, the present invention is not to be construed as being limited.

It should be noted that, in the present technical solution, since the air path (including the solenoid valve on the air path) of the air pump and the circuit pipeline are not the important point of protection, they are not shown in the drawings.

Example 1:

as shown in fig. 1 to 4, an automatic sheet feeding device comprises a frame 1, the frame 1 has a plurality of columns, the frame 1 is respectively provided with a first slide rail 2 and a second slide rail 3 along the height direction and the length direction, it can be understood that the first slide rail 2 and the second slide rail 3 are respectively arranged on the columns of the frame 1 and the upper end surface of the frame 1, the first slide rail 2 and the second slide rail 3 are respectively connected with a feeding platform 4 and a grabbing mechanism in a sliding manner, the feeding platform 4 is used for placing a sheet to be processed, the grabbing mechanism is used for grabbing the sheet on the feeding platform 4, the feeding platform 4 and the grabbing mechanism are respectively connected with a lifting mechanism and a conveying mechanism arranged on the frame 1, the lifting mechanism can drive the feeding platform 4 to move up and down along the first slide rail 2 so as to convey the sheet to the upper end surface of the frame 1, the conveying mechanism can drive the grabbing mechanism to move horizontally along the second slide rail 3, a positioning mechanism is arranged on the frame 1 between the second slide rails 3, the sheet is grabbed and moved by the grabbing mechanism so as to be moved to the positioning mechanism, an air pump 5, an infrared sensor 6, a first motor 7 and a second motor 8 are further arranged on the frame 1, the air pump 5 is simultaneously connected with the grabbing mechanism and the positioning mechanism, it can be understood that the air pump 5 is connected with the grabbing mechanism and the positioning mechanism through an air path, the infrared sensor 6 is arranged on the frame 1 on two sides when the feeding platform 4 moves to the highest position, when the feeding platform 4 moves to the highest position along the first slide rails 2, the infrared sensor 6 can sense the position of the sheet, the first motor 7 and the second motor 8 respectively control the lifting mechanism and the conveying mechanism, and the air pump 5, the infrared sensor 6, the first motor 7 and the second motor 8 are controlled by a PLC controller, and the PLC can store and execute logical operation inside the PLC, The system comprises a digital or analog input/output module, a digital or analog output module, and a digital or analog output module.

Specifically, firstly, a thin plate to be processed is stacked on a feeding platform 4, and a PLC controller executes a set of specific program, the program comprises that a first motor 7 is controlled to operate so as to drive a lifting mechanism to operate, the feeding platform 4 with the thin plate stacked thereon is driven by the lifting mechanism to move upwards along a first slide rail 2, when the uppermost thin plate exceeds the upper end surface of a rack 1, an infrared sensor 6 senses the position of the thin plate and feeds information back to the PLC controller, the PLC controller controls the first motor 7 to stop operating so as to keep the feeding platform 4 at the height, an air pump 5 is communicated with an air passage of a grabbing mechanism, so that the grabbing mechanism grabs the uppermost thin plate which exceeds the upper end surface of the rack 1, a second motor 8 is controlled to operate, the second motor 8 drives a conveying mechanism to operate, and the grabbing mechanism and the grabbed thin plate are driven by the conveying mechanism to move towards a positioning mechanism along a second slide rail 3, meanwhile, after the uppermost thin plate is moved, the infrared sensor 6 detects that the number of the thin plates on the platform is reduced, so that information is fed back to the PLC, the PLC sends an instruction to the first motor 7 to enable the first motor to operate and drive the lifting mechanism to operate, the lifting mechanism drives the feeding platform 4 to ascend by the height of one thin plate, when the grabbing mechanism moves to the positioning mechanism, the air circuit of the air pump 5 and the grabbing mechanism is cut off, and the second motor 8 stops operating, so that the grabbed thin plate stays above the positioning mechanism and falls into the positioning mechanism, then, the air pump 5 is controlled to be communicated with the air circuit of the positioning mechanism, the positioning mechanism clamps the thin plate, the manipulator grabs the thin plate, the second motor 8 operates again, the second motor 8 drives the conveying mechanism, and the conveying mechanism drives the grabbing mechanism to return to start the next grabbing operation.

In the process of above-mentioned operation, by the PLC controller to air pump 5, infrared sensor 6, accurate control is carried out to the operating duration of first motor 7 and second motor 8, thereby guarantee feed platform 4, it can both remove the same distance in the operation at every turn to snatch the mechanism, the problem that the sheet metal position that appears easily when having avoided the manual work to put and arrange the sheet metal differs, positioning mechanism can fix a position the sheet metal of waiting to be snatched by the manipulator, prevent its removal, thereby guarantee that the manipulator can both be accurate when snatching the operation at every turn and snatch the sheet metal, avoid the repeated location and snatch, the transport time of sheet metal transportation and snatch has greatly been shortened, the consumption of manpower and materials has been practiced thrift.

As shown in fig. 1 to 3, further, the lifting mechanism includes a speed reducer 9, a worm gear speed reducer 109, and a first screw 11 and a second screw 12 which are vertically arranged, it can be understood that the second screw 12 is arranged along the vertical direction of the frame 1, the second screw 12 penetrates through the feeding platform 4 and is in threaded connection with the feeding platform, the first screw 11 is in transmission connection with the second screw 12 through the worm gear speed reducer 109, the speed reducer 9 is arranged at one end of the first screw 11 and is simultaneously connected with the output end of the first motor 7, and by the above arrangement, when the first screw 11 rotates, the worm gear speed reducer 109 drives the second screw 12 to rotate in the forward direction or in the reverse direction, and the second screw 12 drives the feeding platform 4 to lift when rotating.

As shown in fig. 1 to 4, further, the grabbing mechanism includes a sliding block 13 slidably connected to the second sliding rail 3, a bracket 14 disposed on the sliding block 13, the bracket 14 and the sliding block 13 may be fixedly connected or detachably connected, a material grabbing cylinder 15 fixed on the bracket 14, and a pneumatic suction cup 16 connected to a piston end of the material grabbing cylinder 15, it can be understood that positions among the bracket 14, the sliding block 13, the material grabbing cylinder 15, and the pneumatic suction cup 16 are always kept relatively fixed, the material grabbing cylinder 15 and the pneumatic suction cup 16 are simultaneously connected to the air pump 5, through the above arrangement, when the air pump 5 is communicated with air paths of the material grabbing cylinder 15 and the pneumatic suction cup 16, a piston rod of the material grabbing cylinder 15 extends out so that the pneumatic suction cup 16 can contact and adsorb the uppermost thin plate on the feeding platform 4, and when the air paths of the air pump 5, the material grabbing cylinder 15, and the pneumatic suction cup 16 are cut off, the piston rod of the cylinder is retracted and the pneumatic suction cup 16 simultaneously loses its suction power to lower the sucked sheet.

As shown in fig. 1 to 4, further, the conveying mechanism includes a synchronous cog belt 17, a first driving wheel 18 and a second driving wheel 19 respectively disposed at two ends of the second sliding rail 3, the synchronous cog belt 17 passes through the sliding block 13 near one side of the synchronous cog belt and is wound on the first driving wheel 18 and the second driving wheel 19, the synchronous cog belt 17 is fixed with the sliding block 13, the first driving wheel 18 is connected with the output end of the second motor 8, through the above arrangement, when the second motor 8 operates, the first driving wheel 18 is driven to rotate and drives the second driving wheel 19 and the synchronous cog belt 17, and the second cog belt drives the sliding block 13 to move during conveying.

It should be mentioned that the slide 13 can be fixed to the timing belt 17 passing through a portion thereof, so as to ensure that the slide 13 can keep moving synchronously with the timing belt 17.

As shown in fig. 1 to 5, further, the positioning mechanism includes at least one positioning cylinder 20 and a positioning block 21 disposed opposite to the positioning cylinder 20, each positioning cylinder 20 and the positioning block disposed opposite thereto are disposed at an interval, it is understood that the interval between the positioning cylinder 20 and the positioning block 21 is used for placing the sheet positioning cylinder 20 grabbed by the pneumatic suction cup 16 to be connected with the air pump 5.

Furthermore, the frame 1 is provided with a guide groove 101 and a positioning groove 102 which are equal in number to the positioning cylinder 20 and the positioning stopper 21, respectively, the positioning cylinder 20 is covered on the guide groove 101, the piston end of the positioning cylinder is inserted into the guide groove 101 and can slide along the guide groove 101, and the positioning stopper is fixed in the positioning groove 102.

Positioning mechanism's operation as follows, at first communicate the gas circuit of air pump 5 with location cylinder 20 for the piston rod of location cylinder 20 stretches out, promote the sheet metal to remove when the piston rod of location cylinder 20 stretches out, later, along with the sheet metal removes its one end and the location dog 21 butt that deviates from location cylinder 20, accomplish the location of sheet metal this moment, and finally, cut off the gas circuit of air pump 5 and location cylinder 20, make the piston rod of location cylinder 20 return back, the manipulator of being convenient for snatchs the sheet metal.

Further, the first motor 7 and the second motor 8 are respectively a three-phase asynchronous motor and a servo motor.

Example 2:

in the embodiment, on the basis of the embodiment 1, one optimized design is made, the number of the positioning cylinders 20 is two, the extension lines of the respective piston rods of the two positioning cylinders 20 are perpendicular to each other, and through the arrangement, the two positioning cylinders 20 participate in the positioning of the thin plate at the same time, so that the positioning accuracy is ensured.

It should be mentioned that the number of the positioning stoppers 21 corresponding to each positioning cylinder 20 may be plural, and when the piston rod of the positioning cylinder 20 pushes the thin plate to contact the positioning stoppers 21, more positioning stoppers 21 contact the thin plate to increase the stability of the positioning of the thin plate and prevent the thin plate from deflecting or deforming.

The foregoing embodiments and description have been provided to illustrate the principles and preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.

Claims

1. The utility model provides a sheet metal automatic feeding device, its characterized in that, it includes frame (1), frame (1) is equipped with first slide rail (2) and second slide rail (3) respectively along its direction of height and along its length direction, first slide rail (2) with slidable connection has feed platform (4) and snatchs the mechanism on second slide rail (3) respectively, feed platform (4) with snatch the mechanism and locate respectively with elevating system and transport mechanism on frame (1) are connected in order to realize removing, between second slide rail (3) be equipped with positioning mechanism on frame (1), still be equipped with air pump (5) on frame (1), infrared sensor (6), first motor (7) and second motor (8), air pump (5) simultaneously with snatch the mechanism and positioning mechanism connects, infrared sensor (6) install in both sides when feed platform (4) remove to the highest position frame ((s), (the top is the (the top) the top (the top) is the (the top) is) the (the top (the) is) the top (the top) is) and the top (the top) is the top (the top) is the top (the top) is the top is the) is the top is the bottom) is the top (the bottom is the top (the top is the bottom is the top is the 1) On, first motor (7) with second motor (8) control respectively elevating system with transport mechanism, just air pump (5), infrared sensor (6), first motor (7) and second motor (8) are by the control of PLC controller.

2. An automatic sheet feeding device according to claim 1, wherein the lifting mechanism comprises a speed reducer (9), a worm gear speed reducer (10) and a first screw (11) and a second screw (12) which are perpendicular to each other, the second screw (12) penetrates through the feeding platform (4) and is in threaded connection with the feeding platform, the first screw (11) is in transmission connection with the second screw (12) through the worm gear speed reducer (10), and the speed reducer (9) is arranged at one end of the first screw (11) and is simultaneously connected with the output end of the first motor (7).

3. An automatic feeding device for thin plates according to claim 1, characterized in that said gripping mechanism comprises a slide block (13) slidably connected with said second slide rail (3), a bracket (14) arranged on said slide block (13), a material gripping cylinder (15) fixed on said bracket (14), a pneumatic suction cup (16) connected with a piston end of said material gripping cylinder (15), said material gripping cylinder (15) and said pneumatic suction cup (16) being connected with said air pump (5) at the same time.

4. An automatic sheet feeding device according to claim 3, wherein the conveying mechanism comprises a timing cog belt (17), a first driving wheel (18) and a second driving wheel (19) respectively arranged at two ends of the second sliding rail (3), the timing cog belt (17) passes through the slide block (13) near one side thereof and is wound on the first driving wheel (18) and the second driving wheel (19), the timing cog belt (17) is fixed with the slide block (13), and the first driving wheel (18) is connected with the output end of the second motor (8).

5. An automatic feeding device for thin plates according to claim 1, characterized in that said positioning mechanism comprises at least one positioning cylinder (20) and a positioning stop (21) opposite to said positioning cylinder (20), each of said positioning cylinders (20) and said positioning stop (21) opposite thereto are arranged at intervals, and said positioning cylinder (20) is connected to said air pump (5).

6. The automatic sheet feeding device according to claim 5, wherein the frame (1) is provided with a guide groove (101) and a positioning groove (102) which are equal in number to the positioning cylinder (20) and the positioning stopper (21), the positioning cylinder (20) is arranged on the guide groove (101) in a covering manner, the piston end of the positioning cylinder is inserted into the guide groove (101) and can slide along the guide groove (101), and the positioning stopper (21) is fixed in the positioning groove (102).

7. An automatic sheet feeding apparatus according to claim 6, wherein there are two positioning cylinders (20), and the extension lines of the respective piston rods of the two positioning cylinders (20) are perpendicular to each other.

8. An automatic feeding device for sheets according to claim 1, characterized in that said first motor (7) and said second motor (8) are a three-phase asynchronous motor and a servo motor, respectively.