CN113579825A

CN113579825A - Mechanical automatic feeding device and feeding method thereof

Info

Publication number: CN113579825A
Application number: CN202110888093.6A
Authority: CN
Inventors: 戴志鑫; 戴维; 何伟强; 林华; 黎军
Original assignee: Dongguan Langshuo Automation Technology Co ltd
Current assignee: Dongguan Langshuo Automation Technology Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2021-11-02

Abstract

The application relates to the technical field of numerical control feeding equipment, in particular to a mechanical automatic feeding device and a feeding method thereof, wherein the mechanical automatic feeding device comprises: the device comprises a material placing groove, a feeding mechanism, a material clamping mechanism, a first driving assembly, a grabbing mechanism, a second driving assembly and a controller; the material placing groove is communicated with a residual material collecting groove; the material clamping mechanism comprises a touch sheet, a push rod and a chuck; the grabbing mechanism comprises a sensor. The application has the beneficial effects that: on the basis that the mechanical feeding meets the uniform feeding standard, the equipment structure is simplified, the assembly difficulty is reduced, a manipulator is not needed, and the cost is reduced; the automatic bar feeding device has the function of automatically collecting the residual materials, prevents the residual materials from influencing the subsequent bar feeding effect, and has high automation degree; the automatic alarm system has the function of automatically judging whether an abnormal condition occurs and then alarming and stopping, and is stable in operation and high in safety.

Description

Mechanical automatic feeding device and feeding method thereof

Technical Field

The application relates to the technical field of numerical control feeding equipment, in particular to a mechanical automatic feeding device and a feeding method thereof.

Background

The industrial production process often involves a process of processing the bar by using a numerical control machine, and a need exists for conveying the bar to the numerical control machine during the processing process. The feeding of the bars is mainly realized in two ways, the traditional way is a manual feeding way, and the way needs workers to push the bars to the direction of a numerical control machine, so that the time and the labor are extremely wasted, and potential safety hazards are easily caused; and the feeding cannot reach the uniform standard due to the difference of different people.

The present is mechanical autoloading's mode, and this mode mostly needs the manipulator to implement, has that the structure is complicated, assembly difficulty and with high costs not enough, and the processing of rod often can remain there is the defective material moreover, and conventional mechanical equipment does not in time handle the defective material, can influence subsequent pay-off quality, can still remain because of the defective material even, leads to colliding with the next rod of waiting to send to the problem of coil stock appears.

In view of the above-mentioned related art, improvement of the feeding quality is urgently required.

Disclosure of Invention

In order to solve the technical problems, achieve the unified feeding standard, achieve the effects of simplifying the structure, reducing the assembly difficulty, reducing the cost, timely and accurately processing the residual materials and improve the feeding quality, the application provides a mechanical automatic feeding device and a feeding method thereof.

The technical scheme is as follows: in a first aspect, a mechanical automatic feeding device includes:

the material placing groove is used as a conveying channel of the bar material, and one end of the material placing groove is communicated with a residual material collecting groove;

the feeding mechanism is used for transferring the bar to the material placing groove;

the material clamping mechanism is used for clamping the bar material and comprises a touch sheet, a push rod and a chuck for clamping the bar material, the touch sheet is connected with the push rod, and the push rod is detachably connected with the chuck;

the first driving assembly is used for driving the material clamping mechanism to reciprocate at the upper end of the residual material collecting tank or the material placing tank;

the grabbing mechanism is used for grabbing the bar or the defective material of the bar at the upper end of the defective material collecting tank and comprises a sensor used for sensing whether the bar or the defective material of the bar exists or not;

the second driving assembly is used for driving the feeding mechanism to carry out material ejecting action and driving the grabbing mechanism to carry out grabbing action or loosening action;

the mechanical automatic feeding device further comprises a controller, and the control end of the first driving assembly, the control end of the second driving assembly and the sensor are electrically connected with the controller.

By adopting the scheme, the equipment structure is simplified, the assembly difficulty is reduced, a manipulator is not required, and the cost is reduced; the automatic bar material collecting device has the function of automatically collecting the residual materials of the bars after processing, prevents the residual materials from influencing the subsequent bar material feeding effect, and has high automation degree; set up the inductor and judge whether have and grab rod or rod defective material, improve the precision of automatic operation.

Preferably, the grabbing mechanism further comprises two groups of abutting columns and two groups of rotating arms, one group of abutting columns and one group of rotating arms are matched to act, each group of rotating arms comprises a rotating swing plate, a rotating shaft and a gripper, a driving end of the rotating swing plate is provided with a driving edge which is used for being tightly matched with the abutting columns, the driving edge is sequentially provided with a first concave section, a convex section and a second concave section, the rotating swing plate is rotatably connected with the rotating shaft, a driven end of the rotating swing plate is connected with the gripper, the gripper is slidably arranged on the side wall of the residue collecting tank in a penetrating mode, and the sensor is installed on the side wall of the residue collecting tank; the second driving assembly drives the two groups of abutting columns to move in a reciprocating mode so as to drive the grippers of the two groups of rotating arms to perform grabbing actions.

By adopting the scheme, the butting column closely applies force to different sections of the driving edge, and the lever principle is implemented by matching with the rotating swing plate, so that the clamping hand of the grabbing mechanism can grab.

Preferably, the mechanical automatic feeding device further comprises a bin cover mechanism for opening or closing the bin for the silo, the bin cover mechanism comprises a bin opening top block, a bin opening rotating top piece, a bin opening rotating rod, a cover plate rocker arm and a cover plate, and the bin opening top block is provided with a bin opening unfilled corner; the cover plate is connected with one end of the cover plate rocker arm, the opening rotating ejector piece and the other end of the cover plate rocker arm are both sleeved on the opening rotating rod, and one end of the opening rotating ejector piece is used for being abutted and matched with an opening unfilled corner of the opening ejector block to drive the opening rotating ejector piece to rotate; the mechanical automatic feeding device further comprises a third driving assembly for driving the bin opening top block to move in a reciprocating mode, and a control end of the third driving assembly is electrically connected with the controller.

By adopting the scheme, the third driving assembly is matched with the linkage action of the plurality of structural components to drive the cover plate to open or close the bin.

In a second aspect, a feeding method is a mechanical automatic feeding device based on any one of the above, and includes the following steps:

s1, carrying out a bar feeding process;

s2, after the bar feeding process is finished, performing a material clamping process, wherein the material clamping process comprises material-free judgment;

s3, feeding the bar material towards the discharging direction through the first driving assembly and the clamping mechanism;

s4, after the bar is processed by an external processing machine tool, the defective material of the bar is moved towards a defective material collecting tank by the first driving assembly in cooperation with the material clamping mechanism;

s5, carrying out a residual material pulling process, wherein the residual material pulling process comprises residual material-free judgment;

s6, driving the clamping mechanism to return to the initial position through the first driving assembly;

and S7, circulating the steps.

By adopting the scheme, the automatic clamping and feeding functions of the bars are realized, and in the process, the automatic collection function is performed on the residual processed materials, so that the influence of the residual materials on the subsequent bar feeding effect is prevented, and the automation degree is high; the automatic failure judgment system has the function of automatically judging failures, including residual material judgment and material-free abnormity judgment.

Preferably, before executing S2, the method further includes the following steps: s200, carrying out a warehouse opening process;

after executing S2, the method further includes the following steps: s201, a closing process is carried out.

Through adopting above-mentioned scheme, conveniently toward putting the silo through opening the storehouse and carrying out the feeding operation, prevent through closing the storehouse that the rod from falling out from putting the silo when carrying.

Preferably, the specific steps of S200 are as follows:

s2001, driving the bin opening jacking block to move away from the initial position by a third driving assembly;

s2002, abutting a bin opening unfilled corner of the bin opening jacking block against the bin opening rotating jacking piece so as to drive the bin opening rotating jacking piece to rotate clockwise, and rotating the bin opening rotating jacking piece and the bin opening rotating rod in the same direction;

and S2003, driving the cover plate rocker arm to rotate upwards by the bin opening rotating rod, and then driving the cover plate to rotate in the same direction through the cover plate rocker arm to open, so that the bin opening operation is completed.

By adopting the scheme, the smooth operation of the opening motion is ensured.

Preferably, the warehouse opening process is a sectional warehouse opening process, and the specific steps are as follows:

s2001, the third driving component drives the first section of the top block for opening the bin, the second section of the top block for opening the bin and the third section of the top block for opening the bin to move towards the direction far away from the initial position,

s2002, the principle that the bin opening rotating ejector piece rotates is realized by abutting a bin opening unfilled corner of the bin opening ejector block with the bin opening rotating ejector piece, and the bin opening unfilled corner of the first-section bin opening ejector block, the bin opening unfilled corner of the second-section bin opening ejector block and the bin opening unfilled corner of the third-section bin opening ejector block respectively and correspondingly drive the first-section bin opening rotating ejector piece, the second-section bin opening rotating ejector piece and the third-section bin opening rotating ejector piece to rotate clockwise in sequence, so that the first-section bin opening rotating rod, the second-section bin opening rotating rod and the third-section bin opening rotating rod rotate in the same direction in sequence;

and S2003, utilizing a connection relation that one end of the cover plate rocker arm is sleeved on the corresponding bin opening rotating rod, and further driving the first section cover plate rocker arm, the second section cover plate rocker arm and the third section cover plate rocker arm to sequentially rotate upwards, so that the first section cover plate, the second section cover plate and the third section cover plate sequentially rotate in the same direction and are opened, and completing the sequential bin opening operation of the first section cover plate, the second section cover plate and the third section cover plate.

By adopting the scheme, the smooth operation of the sectional opening motion is ensured.

Preferably, the specific steps of S2 are as follows:

s21, driving the material grabbing component to grab by the second driving component;

s22, the first driving assembly drives the material clamping mechanism to move towards the direction of the material grabbing assembly, and a chuck of the material clamping mechanism is matched with the material grabbing assembly to clamp the bar material;

s23, driving the clamping mechanism to move a distance to the initial position by the first driving assembly;

s24, detecting whether a bar exists in the induction range corresponding to the induction end by the inductor:

if yes, the fact that the material clamping mechanism finishes the material clamping process is obtained;

if not, an alarm fault is sent out by detecting the abnormal material absence, and the operation is stopped.

By adopting the scheme, whether the rod is clamped or not is accurately judged, and the alarm is given to stop when the abnormal condition of no material is judged.

Preferably, the specific steps of S5 are as follows:

s51, driving the material clamping mechanism to move for a certain distance in the direction close to the residual material collecting tank by the first driving assembly;

s52, driving the material grabbing component to grab by the second driving component;

s53, detecting whether the bar material remains in the induction range corresponding to the induction end by the inductor:

if yes, obtaining a result that the material grabbing component already grabs the defective materials, and carrying out the following steps:

s531, driving the clamping mechanism to move to an initial position by the first driving assembly, so that the clamping mechanism is separated from the residual materials, and finishing the residual material pulling operation;

s532, the second driving assembly drives the material grabbing assembly to perform loosening action, so that the residual materials are loosened and fall into a collecting container;

if not, an alarm fault is sent out by detecting that the residual material is not returned abnormally, and the operation is stopped.

By adopting the scheme, the flow of smoothly collecting the residual materials is realized, and the alarm is given out and the machine is stopped when the situation that the residual materials are not returned abnormally is judged.

Preferably, the second driving assembly drives the material grabbing assembly to perform grabbing actions, and the grabbing actions include the following specific steps:

s211, driving the two groups of abutting columns to move towards the direction of the protruding section close to the driving edge of the rotating swing plate by the second driving assembly;

s212, by utilizing the fit relation that each group of abutting columns is tightly attached to the driving edge of the corresponding rotating swing plate, when the two groups of abutting columns move to be tightly attached to and matched with the protruding sections of the corresponding rotating swing plates respectively, the driving ends of the two groups of rotating swing plates are away from each other to move, and by utilizing the lever principle existing between the rotating swing plates of the rotating arms and the corresponding rotating shafts, the two groups of grippers respectively positioned at the driven ends of the corresponding rotating swing plates are driven to be close to each other until the grippers are mutually abutted, so that the gripping action is completed.

Through adopting above-mentioned scheme, ensure to snatch the action smooth.

In summary, the present application includes at least one of the following beneficial technical effects:

1. on this application satisfied unified pay-off standard's basis through mechanical type pay-off, simplified equipment structure, reduced the assembly degree of difficulty, need not to use manipulator, reduce cost.

2. This application has automatic collection's function to the defective material of the remaining rod after having processed, prevents that the defective material from influencing subsequent rod pay-off effect, and degree of automation is high.

3. This application has the function of reporting to the police and shutting down after the abnormal conditions appear in the automatic judgement, send the alarm failure and do not have the material to send the alarm failure unusually including being equipped with the defective material not moving back, the operation is stable, and the security is high.

3. This application realizes automatic control through the first drive assembly of controller cooperation, second drive assembly, third drive assembly and inductor, and power supply and structure between each mechanism mutually support, realize the linkage in coordination, and the operation smoothness nature is high.

Drawings

Fig. 1 is a schematic structural diagram of a mechanical automatic feeding device according to the present application.

Fig. 2 is a partial structural schematic diagram of a feeding mechanism according to the present application.

FIG. 3 is a schematic view of a partial structure of the material clamping mechanism, the driven wheel and the chain.

Fig. 4 is a schematic structural diagram of the material clamping mechanism of the present application.

Fig. 5 is a partial structural schematic diagram of a first driving assembly according to the present application.

Fig. 6 is a partial schematic structural view of a gripping mechanism and a second drive assembly according to the present application.

Fig. 7 is an enlarged structural diagram of a in fig. 6 of the present application.

Fig. 8 is a schematic structural view of the abutting column and the second concave section of the driving edge of the rotating swing plate in close fit.

Fig. 9 is a schematic structural view of the abutting column and the protruding section of the driving edge of the rotating swing plate in close fit.

Fig. 10 is a schematic structural view of the abutting column and the first concave section of the driving edge of the rotating swing plate in close fit.

Fig. 11 is a schematic structural diagram of a second driving assembly according to the present application.

Fig. 12 is a schematic structural view of a segment cap mechanism and a third drive assembly as described herein.

Fig. 13 is a schematic partial structural view of a segmented cap mechanism and a third drive assembly as described herein.

Reference numerals: 1. a material placing groove; 2. a residual material collecting tank; 3. a feeding mechanism; 4. a feeding rotating rod; 5. a feeding shifting handle; 6. feeding a pushing block; 7. feeding a top block; 8. a feed rotating top; 9. feeding and unfilled corners; 10. a material supporting bracket; 11. a material clamping mechanism; 12. a touch sheet; 13. a push rod; 14. a chuck; 15. a first drive assembly; 16. a first motor; 17. a driving wheel; 18. a driving wheel; 19. a chain; 20. a grabbing mechanism; 21. an inductor; 22. a butting post; 23. a rotating arm; 24. rotating the swinging plate; 25. a rotating shaft; 26. a gripper; 27. a drive edge; 28. a first recessed section; 29. a convex section; 30. a second recessed section; 31. a first slope section; 32. a second slope section; 33. a second drive assembly; 34. a second motor; 35. a second gear; 36. a second rack; 37. a second drive lever; 38. a touch screen; 39. a storage box; 40. a segment bin cover mechanism; 41. a third drive assembly; 42. a third motor; 43. a third gear; 44. a third rack; 45. a third drive lever; 46. a first section of opening a bin and jacking; 47. a second section of opening a bin and jacking blocks; 48. a third section of opening a bin and jacking; 49. a first segment of cover plate rocker arm; 50. a second section of cover plate rocker arm; 51. a third section of cover plate rocker arm; 52. a first section of cover plate; 53. a second section of cover plate; 54. a third section of cover plate; 55. a first section of opening rotating rod; 56. a second section of opening rotating rod; 57. a third section of opening rotating rod; 58. the first section of the rotary top part is opened; 59. the second section of opening the bin rotates the top piece; 60. the third section is opened and the top piece is rotated; 61. opening a bin and lacking corners; 62. an initial position.

Detailed Description

The present application is described in further detail below with reference to figures 1-13.

Referring to fig. 1, a mechanical automatic feeding device includes:

put silo 1 for the transfer passage who is as the rod, put silo 1's one end intercommunication has incomplete material collecting vat 2. The bottom of the residue collecting tank 2 is communicated with a storage tank 39, so that the number of residues is increased.

And the feeding mechanism 3 is used for transferring the bar to the material accommodating groove 1.

As one of the implementation manners, refer to fig. 1 and fig. 2, feeding mechanism 3 includes material supporting bracket 10, feeding bull stick 4, feeding shifting handle 5, feeding ejector pad 6, feeding ejector pad 7 and feeding rotation ejector 8, feeding ejector pad 7 is equipped with feeding unfilled corner 9, feeding ejector pad 7 sets up in the discharge end of material supporting bracket 10, the discharge end of material supporting bracket 10 is located one side of putting silo 1, feeding bull stick 4 rotates with material supporting bracket 10 to be connected, the one end of feeding shifting handle 5, feeding bull stick 4 is all located to feeding rotation ejector 8's one end cover, the other end of feeding shifting handle 5 is connected with feeding ejector pad 7 in order to drive feeding ejector pad 6 and carry out the lift action, feeding rotation ejector 8's the other end is used for with feeding unfilled corner 9 butt cooperation of feeding ejector pad 7 in order to drive feeding bull stick 4 rotation action. Set up feed mechanism 3, can play the effect of placing the rod of waiting to carry in batches through holding in the palm material support 10, hold in the palm the quantity of material support 10 and be a plurality of, a plurality of holds in the palm the material support 10 interval and sets up to adapt to the rod of different length, improve the compatibility of placing the rod. The rods are ejected out one by one through the ascending action of the feeding push block 6, and then the rods are transferred to the material placing groove 1 from the discharging end of the material supporting bracket 10.

Referring to fig. 3 and 4, the clamping mechanism 11 is used for clamping a bar, the clamping mechanism 11 includes a touch sheet 12, a push rod 13 and a chuck 14 for clamping the bar, the touch sheet 12 is connected with the push rod 13, and the push rod 13 is detachably connected with the chuck 14. Set up like this to the detachable connection, can change the chuck 14 that corresponds the internal diameter size according to the diameter size of rod, the pay-off is compatible high, and it is convenient to change, and the detachable connection includes but not limited to adopts the spiro union.

And the first driving assembly 15 is used for driving the clamping mechanism 11 to reciprocate at the upper end of the residue collecting tank 2 or the material placing tank 1.

As one embodiment, the first driving assembly 15 includes a first motor 16, a driving wheel 17, a driving wheel 18 and a chain 19, an output shaft of the first motor 16 is connected to the driving wheel 17, the touch sheet 12 is disposed on the chain 19, and the driving wheel 17 is connected to the driving wheel 18 through the chain 19 to drive the material clamping mechanism 11 to reciprocate on the material accommodating slot. The transmission smoothness is high, and the action is stable.

The grabbing mechanism 20 is used for grabbing the bar or the remnant of the bar at the upper end of the remnant collecting groove 2, and the grabbing mechanism 20 comprises an inductor 21 used for inducing whether the bar or the remnant of the bar exists or not.

As one embodiment, referring to fig. 6 and 7, the grabbing mechanism 20 further includes two sets of abutting columns 22 and two sets of rotating arms 23, the one set of abutting columns 22 and the one set of rotating arms 23 cooperate to act, each set of rotating arms 23 includes a rotating swing plate 24, a rotating shaft 25 and a hand grip 26, a driving end of the rotating swing plate 24 is provided with a driving edge 27 for fitting with the abutting columns 22 in a tight fit manner, referring to fig. 8, the driving edge 27 is sequentially provided with a first concave section 28, a convex section 29 and a second concave section 30, the rotating swing plate 24 is rotatably connected with the rotating shaft 25, a driven end of the rotating swing plate 24 is connected with the hand grip 26, the hand grip 26 is slidably disposed through a side wall of the residue collecting tank 2, and the sensor 21 is mounted on the side wall of the residue collecting tank 2.

Specifically, the rotary swing plate 24 is rotatably connected with the rotating shaft 25 to form a lever structure, and the hand grip 26 connected with the rotary swing plate 24 is driven to perform corresponding gripping action or release by the lever principle through the movement of the abutting column 22 and the close contact with different sections of the driving edge 27. Further, a first inclined surface section 31 is arranged between the first concave section 28 and the convex section 29, a second inclined surface section 32 is arranged between the convex section 29 and the second concave section 30, and the slope of the first inclined surface section 31 is smaller than that of the second inclined surface section 32. The first and second

inclined sections

31 and 32 are arranged to allow the abutment post 22 to move smoothly during the process of switching the positions of the abutment driving edge 27.

And the second driving assembly 33 is used for driving the feeding mechanism 3 to perform ejection action and driving the grabbing mechanism 20 to perform grabbing action or releasing action.

Referring back to fig. 3, 5, and 11, in particular, the second driving assembly 33 includes a second motor 34, a second gear 35, a second rack 36, and a second driving rod 37, an output shaft of the second motor 34 is connected to the second gear 35, the second gear 35 is engaged with the second rack 36, and the second rack 36, the feeding top block 7, and the two sets of abutment columns 22 are mounted on the second driving rod 37.

The second driving component 33 drives the feeding ejector block 7 to reciprocate so as to drive the feeding ejector block 6 to perform the ejection action. The second driving assembly 33 drives the two sets of abutment columns 22 to perform reciprocating motion to drive the grippers 26 of the two sets of rotating arms 23 of the gripping mechanism 20 to perform gripping motion.

Set up like this, when second motor 34 passes through second gear 35 and second rack 36 drive second actuating lever 37 and moves, can be simultaneously drive feed mechanism 3's feeding kicking block 7 and to snatching two sets of butt joint posts 22 of mechanism 20 according to with the driven principle of pole, reduce the quantity of power source, reach the effect of cooperation linkage.

In order to prevent the bar from falling out of the material placing groove 1 or being stressed to bend and deform due to the factors, the mechanical automatic feeding device also comprises a bin cover mechanism for implementing bin opening or bin closing action on the material groove 1, wherein the bin opening action is implemented when the feeding operation is needed to be carried out on the material placing groove 1, and the bin closing action is implemented when the feeding operation is needed.

The bin cover mechanism comprises a bin opening top block, a bin opening rotating top piece, a bin opening rotating rod, a cover plate rocker arm and a cover plate, and the bin opening top block is provided with a bin opening unfilled corner 61; the cover plate is connected with one end of the cover plate rocker arm, the opening rotating ejector piece and the other end of the cover plate rocker arm are both sleeved on the opening rotating rod, and one end of the opening rotating ejector piece is used for being abutted and matched with the opening unfilled corner 61 of the opening ejector block to drive the opening rotating ejector piece to rotate; the mechanical automatic feeding device also comprises a third driving component 41 for driving the bin opening top block to do reciprocating motion, and the control end of the third driving component 41 is electrically connected with the controller

As one embodiment, referring to fig. 12 and 13, the third driving assembly 41 includes a third motor 42, a third gear 43, a third rack 44 and a third driving rod 45, an output shaft of the third motor 42 is connected to the third gear 43, the third gear 43 is engaged with the third rack 44, and the third rack 44 and the open top block are both mounted on the third driving rod 45.

By the arrangement, the driving cover plate can be opened or closed to finish the bin opening action or the bin closing action.

Further, considering that the material loading groove 1 completely passes through the cover plate to close the bin, a path for blocking the movement of the touch sheet 12 during feeding exists. In order to achieve the effect of preventing the cover plate from blocking the touch piece 12 during the sliding of the touch piece 12. Referring to fig. 12 and 13, the bin cover mechanism is a sectional bin cover mechanism 40, and the bin opening top block comprises a first section of bin opening top block 46, a second section of bin opening top block 47 and a third section of bin opening top block 48. One end of the first section of the open-bin top block 46, one end of the second section of the open-bin top block 47 and one end of the third section of the open-bin top block 48 which are in the same direction with each other are all provided with open-bin unfilled corners 61. The opening rotating top piece comprises a first section opening rotating top piece 58, a second section opening rotating top piece 59 and a third section opening rotating top piece 60. The bin opening rotating rod comprises a first section of bin opening rotating rod 55, a second section of bin opening rotating rod 56 and a third section of bin opening rotating rod 57, the cover plate rocker arms comprise a first section of cover plate rocker arm 49, a second section of cover plate rocker arm 50 and a third section of cover plate rocker arm 51, and the cover plate comprises a first section of cover plate 52, a second section of cover plate 53 and a third section of cover plate 54. The connection modes of the bin opening top block, the bin opening rotating top piece, the bin opening rotating rod, the cover plate rocker arm and the cover plate corresponding to each section are similar to those described above, and are not described again.

The first section of opening-warehouse ejector block 46, the second section of opening-warehouse ejector block 47 and the third section of opening-warehouse ejector block 48 are arranged on the third driving rod 45 at intervals, and the three opening-warehouse ejector blocks are driven synchronously to move. Further, the length of the first section of the top block 46, the length of the second section of the top block 47 and the length of the third section of the top block 48 are gradually decreased, and the distance between the first section of the top block 46 and the second section of the top block 47 is smaller than the distance between the second section of the top block 47 and the third section of the top block 48. With the arrangement, when the first opening rotating top piece abuts against the opening unfilled corner 61 of the first section opening top block 46, the second opening rotating top piece does not contact with the second section opening top block 47, and the third opening rotating top piece does not contact with the third section opening top block 48.

Until the second opening rotating top piece abuts against the opening unfilled corner 61 of the second section of opening top block 47, at the moment, the first opening rotating top piece slides to the upper end of the first section of opening top block 46, and the third opening rotating top piece is not in contact with the third section of opening top block 48.

Until the third open-bin rotary top piece abuts against the open-bin unfilled corner 61 of the third section open-bin top block 48, at the moment, the first open-bin rotary top piece slides to the upper end of the first section open-bin top block 46, and the second open-bin rotary top piece slides to the upper end of the second section open-bin top block 47. In the above process, when the touch sheet 12 sequentially passes through the first section cover plate 52, the second section cover plate 53, and the third section cover plate 54, the first section cover plate 52, the second section cover plate 53, and the third section cover plate 54 can be opened one by one.

The mechanical automatic feeding device further comprises a controller, wherein the control end of the first driving component 15, namely the control end of the first motor 16, the control end of the second driving component 33, namely the control end of the second motor 34, the control end of the third driving component 41, namely the control end of the third motor 42, and the inductor 21 are electrically connected with the controller. The controller includes but is not limited to a PLC electrically connected to the touch screen 38.

The application also provides a feeding method according to any one of the mechanical automatic feeding devices, which comprises the following steps:

and S1, carrying out a bar feeding process.

And S2, after the bar feeding process is finished, performing a material clamping process, wherein the material clamping process comprises material-free judgment.

S3, feeding the bar material towards the discharging direction through the first driving assembly 15 in cooperation with the clamping mechanism 11; specifically, the bar is conveyed on the material placing groove 1, and the bar is sent to an external processing machine tool for processing.

S4, after the bar is processed by an external processing machine tool, the first driving component 15 is matched with the clamping mechanism 11 to move the remnant of the bar to the remnant collecting groove 2;

s6, driving the clamping mechanism 11 to return to the initial position 62 through the first driving assembly 15;

and S7, circulating the steps.

The above steps are operated, the functions of automatically clamping and feeding the bars are realized, in the process, the function of automatically collecting the residual processed materials is performed, the influence of the residual materials on the subsequent bar feeding effect is prevented, and the automation degree is high; has the function of alarming and stopping after automatically judging the abnormal condition, and comprises the steps of sending out an alarm fault when the residual material is not returned and sending out an alarm fault when the material is not returned, and has stable operation and high safety

In this embodiment, before executing S1, the method further includes the following steps:

s0, the controller runs a self-checking process until the self-checking process meets the requirements;

specifically, the self-test process of the controller includes the following items: determining that the emergency stop button has not been pressed; determining that there is no alarm fault; and determining that the clamping mechanism 11 is located at the initial position 62, and after the detection of all the items is completed, the self-checking process meets the requirements. Specifically, the initial position 62 and the residue collecting tank 2 are both located at the same end of the material placing tank 1. The above steps are operated to determine that all alarm faults are relieved, so that the automatic operation condition is met, and the follow-up automatic operation steps can be smoothly carried out.

In this embodiment, between S0 and S1, the following steps are further included:

s100, judging whether to perform an over-drawing residual material flow according to the memory of a controller:

if yes, entering the next step;

if not, the residual material pulling process is carried out first, and then the next step is carried out.

The controller is PLC, and the memory function of PLC is adopted to run the steps to ensure that no residual material is left in the material placing groove 1 and ensure the automatic running of the subsequent steps.

The specific steps of S1 are as follows:

s11, the second driving assembly 33 drives the feeding top block 7 to move towards the direction close to the initial position 62;

s12, the feeding unfilled corner 9 of the feeding top block 7 abuts against the feeding rotating top piece 8, so that the feeding rotating top piece 8 is driven to rotate anticlockwise, and the feeding rotating top piece 8 and the feeding rotating rod 4 rotate in the same direction;

s13, the feeding rotating rod 4 drives the feeding shifting handle 5 to rotate upwards, and then the feeding pushing block 6 is driven by the shifting handle to jack up above the material supporting bracket 10, so that the operation of jacking up the bar material is completed.

The steps are operated, so that the bars on the material supporting bracket 10 are jacked up one by one to enter the material placing groove 1. Specifically, counterclockwise rotation refers to counterclockwise rotation as viewed from the home position 62 in the direction of the rotating top block.

In this embodiment, before executing S2, the method further includes the following steps: s200, carrying out a warehouse opening process;

In this embodiment, the specific steps of S200 are as follows:

s2001, the third driving assembly 41 drives the opening top block to move away from the initial position 62;

s2002, abutting a bin opening unfilled corner 61 of the bin opening jacking block against the bin opening rotating jacking piece, further driving the bin opening rotating jacking piece to rotate clockwise, and enabling the bin opening rotating jacking piece and the bin opening rotating rod to rotate in the same direction;

The steps are operated, so that the bars are prevented from falling out of the material placing groove 1 during conveying.

The operation principle of the closing bin is as follows: the third driving component 41 drives the opening top block to move towards the direction close to the initial position 62; the bin opening unfilled corner 61 of the bin opening ejecting block is gradually separated from the bin opening rotating ejecting piece, so that the bin opening rotating ejecting piece is driven to rotate anticlockwise, and the bin opening rotating ejecting piece and the bin opening rotating rod rotate in the same direction; the bin opening rotating rod drives the cover plate rocker arm to rotate downwards, and then the cover plate rocker arm drives the cover plate to rotate in the same direction to cover the bin, so that the bin closing operation is completed.

As another embodiment, the warehouse opening process is specifically a sectional warehouse opening process, and specifically includes the following steps:

s2001, the third driving assembly 41 drives the first section of the open-warehouse top block 46, the second section of the open-warehouse top block 47 and the third section of the open-warehouse top block 48 to move in the direction away from the initial position 62,

s2002, the open bin unfilled corner 61 of the open bin top block is abutted with the open bin rotating top piece to realize the principle of rotating the open bin rotating top piece, and the open bin unfilled corner 61 of the first open bin top block 46, the open bin unfilled corner 61 of the second open bin top block 47 and the open bin unfilled corner 61 of the third open bin top block 48 respectively drive the first open bin rotating top piece 58, the second open bin rotating top piece 59 and the third open bin rotating top piece 60 to rotate clockwise in sequence correspondingly so that the first open bin rotating rod 55, the second open bin rotating rod 56 and the third open bin rotating rod 57 rotate in the same direction in sequence;

and S2003, driving the first section cover plate rocker arm 49, the second section cover plate rocker arm 50 and the third section cover plate rocker arm 51 to sequentially rotate upwards by utilizing the connection relation that one end of the cover plate rocker arm is sleeved on the corresponding bin opening rotating rod, so that the first section cover plate 52, the second section cover plate 53 and the third section cover plate 54 sequentially rotate in the same direction to be opened, and completing the sequential bin opening operation of the first section cover plate 52, the second section cover plate 53 and the third section cover plate 54.

The operation of the above steps can ensure that when the touch sheet 12 moves, the section of the cover plate corresponding to the current position of the touch sheet can realize the opening action, so as to prevent the touch sheet 12 from being blocked when moving, and can ensure that the section of the cover plate corresponding to the position to which the touch sheet 12 does not move keeps the closing action, so as to protect the bar material and prevent the bar material from falling out of the material placing groove 1 due to overlarge stress. The effect of cooperative linkage is achieved. Specifically, clockwise rotation refers to clockwise rotation as viewed from the home position 62 in the direction of the open top block. The steps of the closing process and the opening process are opposite, and are not described herein again.

In this embodiment, the specific steps of S2 are as follows:

and S21, the second driving component 33 drives the material grabbing component to grab.

S22, the first driving assembly 15 drives the material clamping mechanism 11 to move towards the direction of the material grabbing assembly, and a chuck 14 of the material clamping mechanism 11 cooperates with the material grabbing assembly to clamp the bar;

s23, the first driving component 15 drives the material clamping mechanism 11 to move a certain distance to the initial position 62;

s24, the sensor 21 detects whether there is a bar in the sensing range corresponding to the sensing end:

if yes, the clamping mechanism 11 is obtained to finish the clamping process;

The above steps are operated to ensure that the clamping heads 14 clamp the bar, so that the subsequent feeding step is convenient, and damage caused by collision with the bar due to no-material operation is prevented.

In this embodiment, the specific steps of S5 are as follows:

s51, the first driving component 15 drives the material clamping mechanism 11 to move for a certain distance in the direction close to the residual material collecting tank 2;

s52, the second driving component 33 drives the material grabbing component to grab;

s53, the sensor 21 detects whether the bar material remains in the sensing range corresponding to the sensing end:

s531, the first driving assembly 15 drives the material clamping mechanism 11 to move to the initial position 62, so that the material clamping mechanism 11 is separated from the residual materials, and the residual material pulling operation is completed;

s532, the second driving assembly 33 drives the material grabbing assembly to loosen, so that the residual materials are loosened and fall into a collecting container;

The above procedure is run to ensure that the scrap has been detached and collected, thus preventing the coil from being caused by the scrap clamped to the jaws 14 colliding with the next bar to be fed. Wherein first drive assembly 15 drive presss from both sides material mechanism 11 and moves a section distance towards the direction that is close to incomplete material collecting vat 2, plays to improve and snatchs the subassembly and snatchs the incomplete material's of rod success rate.

In this embodiment, referring back to fig. 9, the specific steps of the second driving assembly 33 driving the material grabbing assembly to perform the grabbing action are as follows:

s211, the second driving assembly 33 drives the two groups of abutting columns 22 to move towards the direction of the convex section 29 close to the driving edge 27 of the rotating swing plate 24;

s212, by using the close fit relationship between each set of abutting posts 22 and the driving edge 27 of the corresponding rotating swing plate 24, when the two sets of abutting posts 22 move to respectively close and fit with the protruding sections 29 of the corresponding rotating swing plate 24, the driving ends of the two sets of rotating swing plates 24 move away from each other, and by using the lever principle existing between the rotating swing plate 24 of the rotating arm 23 and the corresponding rotating shaft 25, the two sets of grippers 26 respectively located at the driven end of the corresponding rotating swing plate 24 are driven to move close to each other until abutting against each other, thereby completing the gripping action.

Specifically, the working principle of the second driving assembly 33 driving the grabbing mechanism 20 to perform the releasing action is specifically as follows: referring back to fig. 8 and 10, the second driving assembly 33 drives the two sets of abutment posts 22 to move in the direction of the first recessed section 28 or the second recessed section 30 near the driving edge 27 of the rotating swing plate 24;

by utilizing the fit relationship of each set of abutting columns 22 and the driving edge 27 of the corresponding rotating swing plate 24, when the two sets of abutting columns 22 move to respectively fit with the first concave section 28 or the second concave section 30 of the corresponding rotating swing plate 24, the driving ends of the two sets of rotating swing plates 24 approach each other, and by utilizing the lever principle existing between the rotating swing plate 24 of the rotating arm 23 and the corresponding rotating shaft 25, the two sets of grippers 26 respectively located at the driven end of the corresponding rotating swing plate 24 are driven to move away from each other until being separated from each other, thereby completing the releasing action.

Compared with the existing mechanical feeder, the mechanical feeder has the advantages that the equipment structure is simplified, the assembly difficulty is reduced, the manipulator is not required to be used, and the cost is reduced on the basis that the mechanical feeding meets the unified feeding standard. This application has automatic collection's function to the defective material of the remaining rod after having processed, prevents that the defective material from influencing subsequent rod pay-off effect, and degree of automation is high. This application has the function of reporting to the police and shutting down after the abnormal conditions appear in the automatic judgement, send the alarm failure and do not have the material to send the alarm failure unusually including being equipped with the defective material not moving back, the operation is stable, and the security is high. This application realizes automatic control through the first drive assembly 15 of controller cooperation, second drive assembly 33, third drive assembly 41 and inductor 21, and power supply and structure between each mechanism mutually support, realize the linkage in coordination, and the operation smoothness nature is high.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a mechanical type automatic feeding which characterized in that: the method comprises the following steps:

the bar material feeding device comprises a material placing groove (1) used as a bar material conveying channel, and a residual material collecting groove (2) communicated with one end of the material placing groove (1);

the feeding mechanism (3) is used for transferring the bar material to the material placing groove (1);

the material clamping mechanism (11) is used for clamping the bar material, the material clamping mechanism (11) comprises a touch sheet (12), a push rod (13) and a chuck (14) used for clamping the bar material, the touch sheet (12) is connected with the push rod (13), and the push rod (13) is detachably connected with the chuck (14);

the first driving assembly (15) is used for driving the material clamping mechanism (11) to reciprocate at the upper end of the residual material collecting tank (2) or the material placing tank (1);

the grabbing mechanism (20) is used for grabbing bars or bar scraps at the upper end of the scrap collecting tank (2), and the grabbing mechanism (20) comprises an inductor (21) used for inducing whether the bars or the bar scraps exist or not;

the second driving assembly (33) is used for driving the feeding mechanism (3) to carry out ejection action and driving the grabbing mechanism (20) to carry out grabbing action or releasing action;

the mechanical automatic feeding device further comprises a controller, and the control end of the first driving assembly (15), the control end of the second driving assembly (33) and the sensor (21) are electrically connected with the controller.

2. The mechanical automatic feeding device according to claim 1, wherein: the grabbing mechanism (20) further comprises two groups of abutting columns (22) and two groups of rotating arms (23), one group of abutting columns (22) and one group of rotating arms (23) are matched to act, each group of rotating arms (23) comprises a rotating swing plate (24), a rotating shaft (25) and a gripper (26), a driving edge (27) used for being tightly attached to and matched with the abutting columns (22) is arranged at the driving end of the rotating swing plate (24), a first concave section (28), a convex section (29) and a second concave section (30) are sequentially arranged on the driving edge (27), the rotating swing plate (24) is rotatably connected with the rotating shaft (25), a driven end of the rotating swing plate (24) is connected with the gripper (26), the gripper (26) penetrates through the side wall of the residual material collecting tank (2) in a sliding mode, and the sensor (21) is installed on the side wall of the residual material collecting tank (2); the second driving assembly (33) drives the two groups of abutting columns (22) to move in a reciprocating mode so as to drive the grippers (26) of the two groups of rotating arms (23) to perform grabbing action.

3. The mechanical automatic feeding device according to claim 1, wherein: the mechanical automatic feeding device also comprises a bin cover mechanism (40) used for implementing bin opening action or bin closing action on the material tank (1), wherein the bin cover mechanism (40) comprises a bin opening top block, a bin opening rotating top piece, a bin opening rotating rod, a cover plate rocker arm and a cover plate, and the bin opening top block is provided with a bin opening unfilled corner (61); the cover plate is connected with one end of the cover plate rocker arm, the opening rotating ejector piece and the other end of the cover plate rocker arm are both sleeved on the opening rotating rod, and one end of the opening rotating ejector piece is used for being abutted and matched with an opening unfilled corner (61) of the opening ejector block to drive the opening rotating ejector piece to rotate; the mechanical automatic feeding device further comprises a third driving assembly (41) for driving the bin opening top block to move in a reciprocating mode, and a control end of the third driving assembly (41) is electrically connected with the controller.

4. A feeding method of a mechanical automatic feeding device according to any one of claims 1 to 3, comprising the steps of:

s1, carrying out a bar feeding process;

s3, feeding the bar material towards the discharging direction through the first driving assembly (15) in cooperation with the clamping mechanism (11);

s4, after the bar is processed by an external processing machine tool, the first driving component (15) is matched with the clamping mechanism (11) to move the residual material of the bar to the direction of the residual material collecting tank (2);

s6, driving the clamping mechanism (11) to return to the initial position (62) through the first driving assembly (15);

and S7, circulating the steps.

5. The method of feeding as claimed in claim 4, wherein before performing S2, the method further comprises the steps of: s200, carrying out a warehouse opening process;

6. The feeding method as claimed in claim 5, wherein the specific steps of S200 are as follows:

s2001, the third driving assembly (41) drives the bin opening top block to move in the direction away from the initial position (62);

s2002, a bin opening unfilled corner (61) of the bin opening jacking block abuts against the bin opening rotating jacking piece, so that the bin opening rotating jacking piece is driven to rotate clockwise, and the bin opening rotating jacking piece and the bin opening rotating rod rotate in the same direction;

7. The feeding method according to claim 5, wherein the step of performing the opening process is a step of performing a sectional opening process, and comprises the following specific steps:

s2001, the third driving component (41) drives the first section of opening top block (46), the second section of opening top block (47) and the third section of opening top block (48) to move in the direction away from the initial position (62) at the same time,

s2002, the principle that the bin opening rotating ejector piece rotates is achieved by abutting a bin opening unfilled corner (61) of the bin opening ejector block with the bin opening rotating ejector piece, the bin opening unfilled corner (61) of the first-section bin opening ejector block (46), the bin opening unfilled corner (61) of the second-section bin opening ejector block (47) and the bin opening unfilled corner (61) of the third-section bin opening ejector block (48) respectively and correspondingly drive the first-section bin opening rotating ejector piece (58), the second-section bin opening rotating ejector piece (59) and the third-section bin opening rotating ejector piece (60) to rotate clockwise in sequence, and the first-section bin opening rotating rod (55), the second-section bin opening rotating rod (56) and the third-section bin opening rotating rod (57) sequentially rotate in the same direction;

and S2003, utilizing the connection relation that one end of the cover plate rocker arm is sleeved on the corresponding bin opening rotating rod, and further driving the first section cover plate rocker arm (49), the second section cover plate rocker arm (50) and the third section cover plate rocker arm (51) to sequentially rotate upwards, so that the first section cover plate (52), the second section cover plate (53) and the third section cover plate (54) sequentially rotate in the same direction to be opened, and completing the sequential bin opening operation of the first section cover plate (52), the second section cover plate (53) and the third section cover plate (54).

8. The feeding method as claimed in claim 4, wherein the specific steps of S2 are as follows:

s21, the second driving assembly (33) drives the material grabbing assembly to grab;

s22, the first driving assembly (15) drives the clamping mechanism (11) to move towards the direction of the material grabbing assembly, and a chuck (14) of the clamping mechanism (11) is matched with the material grabbing assembly to clamp the bar;

s23, the first driving assembly (15) drives the clamping mechanism (11) to move a certain distance to the initial position (62);

s24, the sensor (21) detects whether the bar material exists in the sensing range corresponding to the sensing end:

if yes, the fact that the material clamping mechanism (11) completes the material clamping process is obtained;

9. A method of feeding materials according to claim 4,

the specific steps of S5 are as follows:

s51, the first driving component (15) drives the material clamping mechanism (11) to move for a certain distance in the direction close to the residual material collecting tank (2);

s52, the second driving assembly (33) drives the material grabbing assembly to grab;

s53, detecting whether the bar material remains in the induction range corresponding to the induction end of the sensor (21):

s531, driving the clamping mechanism (11) to move to an initial position (62) by the first driving assembly (15), so that the clamping mechanism (11) is separated from the residual materials, and the residual material pulling operation is completed;

s532, the second driving assembly (33) drives the material grabbing assembly to loosen, so that the residual materials are loosened and fall into the collecting container;

10. The feeding method as claimed in any one of claims 8 or 9, characterized in that the second driving assembly (33) drives the material grabbing assembly to perform grabbing actions in the following specific steps:

s211, driving the two groups of abutting columns (22) to move towards the direction of the convex section (29) close to the driving edge (27) of the rotary swing plate (24) by the second driving assembly (33);

s212, by utilizing the fit relation that each group of abutting columns (22) is tightly attached to the driving edge (27) of the corresponding rotating swing plate (24), when the two groups of abutting columns (22) respectively move to be tightly attached to and matched with the protruding sections (29) of the corresponding rotating swing plates (24), the driving ends of the two groups of rotating swing plates (24) move away from each other, and by utilizing the lever principle between the rotating swing plates (24) of the rotating arms (23) and the corresponding rotating shafts (25), the two groups of hand grips (26) respectively positioned at the driven ends of the corresponding rotating swing plates (24) are driven to mutually approach to each other until the two groups of hand grips are mutually abutted, so that the gripping action is completed.