CN112476018A

CN112476018A - Automatic feeding device for numerical control machine tool

Info

Publication number: CN112476018A
Application number: CN202011281914.1A
Authority: CN
Inventors: 范叶栋
Original assignee: Wenzhou Lujia Industrial Product Design Co Ltd
Current assignee: Wenzhou Lujia Industrial Product Design Co Ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-03-12

Abstract

The invention relates to the technical field of automatic feeding of numerical control machines, in particular to an automatic feeding device for a numerical control machine, which comprises two first supporting vertical plates, wherein a second supporting vertical plate is fixedly connected above the two first supporting vertical plates, the upper ends of the left sides of the two second supporting vertical plates are fixedly connected with a bottom plate together, the right side of the upper surface of the bottom plate is obliquely arranged, the feeding box is arranged above the bottom plate, and the right side of the feeding box is provided with the sliding groove, the workpiece is positioned and clamped, and the workpiece is not required to be fed and fixed by a mechanical arm and a fixing clamp, so that the use cost of an enterprise is reduced, and the feeding are integrated, the operation is simple, the use is convenient, the market competitiveness is good, and the recommendation is worthy.

Description

Automatic feeding device for numerical control machine tool

Technical Field

The invention relates to the technical field of automatic feeding of numerical control machines, in particular to an automatic feeding device for a numerical control machine.

Background

Because numerical control machine tools have been more and more widely applied in the machining industry, technicians operating numerical control machine tools are increasingly in short supply, people carry out automatic transformation on numerical control machine tools to realize automatic feeding, but the existing automatic feeding device of numerical control machine tools mostly adopts industrial robots or truss robots.

These two kinds of devices do can realize that numerical control machine tool automation goes up unloading, but its cost is higher, and the structure is comparatively complicated, and equipment maintenance cost of maintenance is higher, and moreover, these two kinds of devices can't realize remote material loading, need be equipped with other material feeding unit and will wait that the raw materials of processing transport to near these two kinds of devices, use comparatively inconveniently.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides the automatic feeding device for the numerical control machine tool, which has the advantages of reasonable design and ingenious structure, can position and clamp a workpiece while feeding the workpiece through the mutual matching of the structures, does not need to use a manipulator and a fixing clamp to feed and fix the workpiece, reduces the use cost of enterprises, is integrated in feeding and feeding, is simple to operate, is convenient to use, has good market competitiveness, and is worthy of recommendation.

In order to achieve the purpose, the invention adopts the following technical scheme:

an automatic feeding device for a numerical control machine tool is designed, and comprises two first supporting vertical plates, wherein a second supporting vertical plate is fixedly connected above the two first supporting vertical plates, a bottom plate is fixedly connected to the upper ends of the left sides of the two second supporting vertical plates together, the right side of the upper surface of the bottom plate is arranged in an inclined manner, a feeding box is mounted above the bottom plate, a chute is formed in the right side of the feeding box, a plurality of first springs are uniformly and fixedly connected to the top of the chute, the lower ends of the first springs are fixedly connected with a movable plate together, a discharge hole matched with the movable plate is formed in the right side of the feeding box, feeding plates are symmetrically and fixedly connected to the right ends of the bottom plate, the lower ends of the two feeding plates are fixedly connected with the two second supporting vertical plates respectively, a plurality of grooves are uniformly formed in the surfaces of the two feeding plates respectively, and a blanking plate is fixedly connected, and the upper surface of unloading board sets up for the slope, the lower extreme of unloading board respectively with two second supporting riser fixed connection, two the inside first pivot that all rotates in the right side of first supporting riser is connected with, two the inside second pivot that all rotates in the left side of first supporting riser is connected with, two second pivot and two the relative one end of first pivot all extends to the outside of first supporting riser and is fixedly connected with first connecting block, four respectively the relative one end of first connecting block all rotates and is connected with first fixed block, four the common fixedly connected with in upper end of first fixed block supports the diaphragm, support the upper end symmetry fixedly connected with a plurality of supporting shoes of diaphragm, it is a plurality of the equal fixedly connected with arc feedblock in upper end of supporting shoe.

Preferably, two the one end that first connecting block was kept away from to first pivot all extends to the outside of first supporting riser and fixed the cup joint has first driving pulley, the front end fixedly connected with first mounting panel of first supporting riser, the upper end of first mounting panel is provided with the motor, one of them the one end that first pivot was kept away from to first driving pulley and the output shaft fixed connection of motor, two the one end that first connecting block was kept away from to the second pivot all extends to the outside of first supporting riser and the first driven pulley of fixedly connected with respectively, two first belt has been cup jointed jointly between first driven pulley and two first driving pulleys respectively.

Preferably, the equal fixedly connected with second connecting block in both ends around the fly leaf, go up the logical groove that the cooperation of workbin was used with two second connecting blocks all seted up in both sides around, two the one end that the fly leaf was kept away from to the second connecting block all extends to the outside that leads to the groove and fixedly connected with respectively supports the touch panel.

Preferably, two it is connected with the dwang to rotate between the first supporting riser, and the dwang setting is in the left side of second pivot, both sides extend to two first supporting riser's outside respectively around the dwang and fixed the cup jointing have a second driven pulley, two the outside of second pivot is all fixed the second driving pulley that has cup jointed, two the second belt has been cup jointed jointly respectively between second driving pulley and two second driven pulleys, the carousel that the equal fixedly connected with in both ends of dwang and conflict board cooperation were used.

Preferably, two the common fixedly connected with centre gripping platform in right side upper end of second support riser, and the left end and the lower flitch fixed connection of centre gripping platform, the last surface mounting of centre gripping platform has the gravity inductor, the right side upper end fixedly connected with baffle of centre gripping platform.

Preferably, the front end fixedly connected with second mounting panel of centre gripping platform, the hydraulic stem is installed to the upper end of gravity inductor, the output direction fixedly connected with push pedal of hydraulic stem, and the lower extreme of push pedal closely laminates with the upper surface of centre gripping platform.

Preferably, the rear end fixedly connected with third mounting panel of baffle, the last surface mounting of third mounting panel has clamping device, first movable groove has been seted up to clamping device's inside, fixedly connected with second spring on the rear side inner wall of first movable groove, the front end fixedly connected with extrusion stem of second spring, the front end fixedly connected with second fixed block of extrusion stem, and the cross sectional shape of second fixed block is trapezoidal, first slipmat is installed to the front end of second fixed block.

Preferably, three second activity groove has evenly been seted up to clamping device's front end, and is three equal fixedly connected with connecting rod, three between the inner wall in second activity groove the equal activity of outside of connecting rod has cup jointed the movable block, and is three the equal fixedly connected with in one side that the movable block rear end is close to the second fixed block supports the touch multitouch, and is three the equal fixedly connected with third spring in one side that supports the touch multitouch is kept away from to the movable block rear end, and the one end that the movable block was kept away from to three third spring all with the inner wall fixed connection in second activity groove.

Preferably, the front end of three movable block all extends to the outside in second activity groove, and is three the equal fixedly connected with grip block in the relative one side of movable block front end, it is three the grip block is kept away from one side of movable block and is all installed the second slipmat, and three second slipmat and first slipmat are the rubber slipmat.

The automatic feeding device for the numerical control machine tool has the beneficial effects that:

firstly, a motor is started, one of first rotating shafts is driven to rotate by the motor, a first driving belt pulley is driven to rotate by one of the first rotating shafts, a first driven belt pulley is driven to rotate by the first driving belt pulley, one of second rotating shafts is driven to rotate by the first driven belt pulley, one of second driving belt pulleys is driven to rotate by one of the second rotating shafts, a second driven belt pulley is driven to rotate by the second driving belt pulley, so that a rotating rod and two rotating discs are driven to rotate, the two rotating discs are respectively abutted against the two abutting plates in the rotating process and push the two abutting plates to move upwards, so that the two abutting plates respectively drive a movable plate to move upwards by two second connecting blocks, a plurality of first springs are extruded, a discharge port is opened, and the movable plate is arranged to effectively control the number of falling workpieces, the accumulation of workpieces is avoided; the workpiece to be processed in the feeding box slides rightwards along the gradient of the surface of the bottom plate and falls into a first groove on the left side, meanwhile, one first rotating shaft and one second rotating shaft drive two first connecting blocks to rotate while rotating, the rotating rod drives another second driving belt wheel to rotate while rotating through another second driven belt wheel, the other second driving belt wheel drives another second rotating shaft to rotate through another second rotating shaft, another first driven belt wheel drives another first rotating shaft to rotate through the first driven belt wheel, so that the other two first connecting blocks are driven to rotate, the four first connecting blocks synchronously rotate, the four first connecting blocks drive the supporting transverse plates to move through the four first fixing blocks while rotating, the supporting transverse plates drive a plurality of conveying blocks to move when moving, and the workpiece above the conveying plates is conveyed rightwards, the reciprocating circulation is carried out until the workpiece is conveyed to the upper part of the blanking plate, so that the remote feeding is realized, and the applicability of the device is improved;

when a workpiece rolls down and is above the clamping table, the gravity sensor transmits a signal to the gravity sensor, the hydraulic rod enables the hydraulic rod to pass, the push plate moves the workpiece to move towards the rear side of the clamping table, when the workpiece is pushed into three movable blocks and is abutted against a second fixed block, the workpiece passes through the movable blocks, the second fixed block moves, the extrusion rod enables the rear side of the first movable groove to move and is abutted against a contact block in the process of rear movement of the second fixed block, and the third spring extrudes to enable the three clamping plates to approach each other, so that the workpiece can be clamped, the subsequent processing is convenient, a manipulator and a fixing clamp are not needed to feed and fix the workpiece, the use cost of an enterprise is reduced, and the overall practicability of the device is improved;

the feeding and clamping device is reasonable in design and ingenious in structure, the structures are matched with each other, so that the workpiece can be positioned and clamped while being fed, a manipulator and a fixing clamp are not required to be used for feeding and fixing the workpiece, the use cost of an enterprise is reduced, feeding and feeding are integrated, the operation is simple, the use is convenient, the market competitiveness is good, and the feeding and clamping device is worthy of recommendation.

Drawings

Fig. 1 is a partial structural sectional view of an automatic feeding device for a numerical control machine tool according to the present invention;

fig. 2 is a front view of an automatic feeding device for a numerical control machine tool according to the present invention;

FIG. 3 is a sectional view of a part of the automatic feeding device for a numerically controlled machine tool according to the present invention;

FIG. 4 is a right sectional view of a part of the structure of the automatic feeding device for a numerical control machine tool according to the present invention;

FIG. 5 is a right sectional view of a part of the structure of the automatic feeding device for a numerical control machine tool according to the present invention;

FIG. 6 is a sectional view of a part of the automatic feeding device for a numerically controlled machine tool according to the present invention;

fig. 7 is a partial structural sectional view of an automatic feeding device for a numerical control machine tool according to the present invention;

FIG. 8 is a front view of a part of the structure of an automatic feeding device for a numerically-controlled machine tool according to the present invention;

fig. 9 is an enlarged schematic view of a structure of a part a of the automatic feeding device for a numerical control machine tool according to the present invention;

fig. 10 is an enlarged schematic view of a part B structure of the automatic feeding device for a numerical control machine tool according to the present invention.

In the figure: 1. a first support riser; 2. a second support riser; 3. a base plate; 4. feeding a material box; 5. a chute; 6. a first spring; 7. a movable plate; 8. a feeding plate; 9. a groove; 10. a blanking plate; 11. a first rotating shaft; 12. a first mounting plate; 13. a motor; 14. a second rotating shaft; 15. a first connection block; 16. a first fixed block; 17. supporting the transverse plate; 18. a first drive pulley; 19. a first driven pulley; 20. a first belt; 21. rotating the rod; 22. a second driven pulley; 23. a second drive pulley; 24. a second belt; 25. A turntable; 26. a second connecting block; 27. a touch plate; 28. a clamping table; 29. a baffle plate; 30. a gravity sensor; 31. a second mounting plate; 32. a hydraulic lever; 33. pushing the plate; 34. a third mounting plate; 35. a clamping device; 36. a first movable slot; 37. a second spring; 38. an extrusion stem; 39. a second fixed block; 40. a first non-slip mat; 41. a second movable slot; 42. a connecting rod; 43. a movable block; 44. a third spring; 45. a contact block; 46. a clamping plate; 47. a second non-slip mat; 48. a through groove; 49. a support block; 50. an arc-shaped feeding block; 51. and (4) a discharge port.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-9, an automatic feeding device for numerically-controlled machine tool, including two first supporting risers 1, the equal fixedly connected with second supporting riser 2 in top of two first supporting risers 1, the common fixedly connected with bottom plate 3 in left side upper end of two second supporting risers 2, and the upper surface right side of bottom plate 3 sets up for the slope, workbin 4 is installed to the top of bottom plate 3, spout 5 has been seted up on the right side of workbin 4, the even fixedly connected with a plurality of first springs 6 in top of spout 5, the common fixedly connected with fly leaf 7 of the lower extreme of a plurality of first springs 6, the discharge gate 51 that uses with fly leaf 7 cooperation is seted up on the right side of workbin 4, the equal fixedly connected with second connecting block 26 in both ends around fly leaf 7, logical groove 48 that uses with two second connecting block 26 cooperation has all been seted up to both sides around the workbin 4, two second connecting blocks 26 all extend to logical groove 48 outsides and fixedly connected with respectively to touch panel 27 from And the movable plate 7 is arranged, so that the falling quantity of the workpieces can be effectively controlled, the workpieces are prevented from being accumulated, and the working process of the device is smoother.

The right end of the bottom plate 3 is symmetrically and fixedly connected with feeding plates 8, the lower ends of the two feeding plates 8 are respectively and fixedly connected with two second supporting vertical plates 2, the surfaces of the two feeding plates 8 are respectively and uniformly provided with a plurality of grooves 9, the right ends of the two feeding plates 8 are jointly and fixedly connected with blanking plates 10, the upper surfaces of the blanking plates 10 are arranged in an inclined manner, the lower ends of the blanking plates 10 are respectively and fixedly connected with the two second supporting vertical plates 2, the right inner parts of the two first supporting vertical plates 1 are respectively and rotatably connected with first rotating shafts 11, the left inner parts of the two first supporting vertical plates 1 are respectively and rotatably connected with second rotating shafts 14, the opposite ends of the two second rotating shafts 14 and the two first rotating shafts 11 extend to the outer parts of the first supporting vertical plates 1 and are respectively and fixedly connected with first connecting blocks 15, the opposite ends of the four first connecting blocks 15 are respectively and rotatably connected with first fixing blocks 16, the upper ends of the four first fixing, the upper end of the supporting transverse plate 17 is symmetrically and fixedly connected with a plurality of supporting blocks 49, the upper ends of the supporting blocks 49 are fixedly connected with arc-shaped feeding blocks 50, and the arrangement of a plurality of grooves 9 of the arc-shaped feeding blocks 50 increases the stability of workpieces in the conveying process.

One ends of the two first rotating shafts 11, which are far away from the first connecting block 15, extend to the outside of the first supporting vertical plate 1 and are fixedly sleeved with a first driving pulley 18, the front end of the first supporting vertical plate 1 is fixedly connected with a first mounting plate 12, the upper end of the first mounting plate 12 is provided with a motor 13, one end of one of the first driving pulley 18, which is far away from the first rotating shaft 11, is fixedly connected with an output shaft of the motor 13, one ends of the two second rotating shafts 14, which are far away from the first connecting block 15, extend to the outside of the first supporting vertical plate 1 and are respectively and fixedly connected with first driven pulleys 19, first belts 20 are respectively and commonly sleeved between the two first driven pulleys 19 and the two first driving pulleys 18, a rotating rod 21 is rotatably connected between the two first supporting vertical plates 1, the rotating rod 21 is arranged on the left side of the second rotating shaft 14, the front side and the rear side of the rotating rod 21 respectively extend to the outside of the two first, two second driving pulley 23 that cooperate the use with second driving pulley 23 have all been fixed to cup joint in the outside of two second pivots 14, two second driven pulley 22 have cup jointed second belt 24 jointly respectively within a definite time, the equal fixedly connected with in both ends of dwang 21 closes carousel 25 that uses with conflict board 27, through rotating first driving pulley 18, both can control discharge gate 51 and close, can carry the work piece again, the use cost of device has been reduced, the holistic practicality of device has been increased.

Two second support riser 2's common fixedly connected with grip slipper 28 in right side upper end, and grip slipper 28 left end and flitch 10 fixed connection down, surface mounting has gravity inductor 30 on the grip slipper 28, grip slipper 28 right side upper end fixedly connected with baffle 29, grip slipper 28 front end fixedly connected with second mounting panel 31, hydraulic stem 32 is installed to gravity inductor 30 upper end, hydraulic stem 32 output direction fixedly connected with push pedal 33, and push pedal 33 lower extreme and grip slipper 28 upper surface closely laminate, gravity inductor 30 hydraulic stem 32 sets up, can roll when falling in grip slipper 28 side at the work piece, send to hydraulic stem 32 through gravity inductor 30 signal and use hydraulic stem 32, carry out the propelling movement to the work piece, the degree of automation of device has been improved, the convenience in use of device has been increased.

The rear end of the baffle 29 is fixedly connected with a third mounting plate 34, the upper surface of the third mounting plate 34 is provided with a clamping device 35, the clamping device 35 is internally provided with a first movable groove 36, the inner wall of the rear side of the first movable groove 36 is fixedly connected with a second spring 37, the front end of the second spring 37 is fixedly connected with an extrusion rod 38, the front end of the extrusion rod 38 is fixedly connected with a second fixed block 39, the cross section of the second fixed block 39 is trapezoidal, the front end of the second fixed block 39 is provided with a first anti-skid pad 40 clamping device, the front end of the baffle 35 is uniformly provided with three second movable grooves 41, connecting rods 42 are fixedly connected among the inner walls of the three second movable grooves 41, the outer parts of the three connecting rods 42 are movably sleeved with movable blocks 43, the ends of the three movable blocks 43 are fixedly connected with abutting blocks 45 on the side close to the second fixed block 39, the ends of the three, and three third spring 44 keeps away from movable block 43 one end all with second activity groove 41 inner wall fixed connection, three movable block 43 front end all extends to second activity groove 41 outsidely, the equal fixedly connected with grip block 46 in the relative one side of three movable block 43 end, three grip block 46 all installs second slipmat 47 and three second slipmat 47 from movable block 43 one side, first slipmat 40 is the rubber slipmat, clamping device 35 sets up, can want the rear side to move when promoting the work piece, press from both sides the work piece automatically, need not to adopt industrial robot or truss machine hand, the use cost of enterprise has been reduced.

The working principle is as follows: when the device is used, the motor 13 needs to be turned on first, the motor 13 drives one of the first rotating shafts 11 to rotate, the one of the first rotating shafts 11 drives the first driving pulley 18 to rotate, the first driving pulley 18 drives the first driven pulley 19 to rotate through the first belt 20, the one of the second rotating shafts 14 is driven to rotate through the first driven pulley 19, the one of the second driving pulley 23 is driven to move through the one of the second rotating shafts 14, so that the second driving pulley 23 drives the second driven pulley 22 to move through the second belt 24, the rotating rod 21 and the two rotating discs 25 are driven to move, the two rotating discs 25 respectively abut against the two abutting plates 27 in the rotating process, the two abutting plates 27 are pushed to move upwards, the two abutting plates 27 respectively move the movable plate 7 through the two second connecting blocks 26 to move upwards, and the plurality of first springs 6 are extruded, the discharge port 51 is opened, so that a workpiece to be processed in the upper material box 4 slides rightwards along the gradient of the surface of the bottom plate 3 and falls into the first groove 9 at the left side, meanwhile, one of the first rotating shafts 11 and one of the second rotating shafts 14 rotate and simultaneously drive the two first connecting blocks 15 to rotate, the rotating rod 21 rotates and simultaneously drives the other 2 second driving pulley 23 through the other 2 second driven pulley 22 and the other 2 second driving pulley 23, the other 2 second rotating shaft 14 rotates through the other 2 second driving pulley 23, the other one first driven pulley 19 rotates through the other one second rotating shaft 14, the other one first rotating shaft 11 rotates through the one first driven pulley 19, so as to drive the other two first connecting blocks 15 to rotate, so that the four first connecting blocks 15 synchronously rotate, the four first connecting blocks 15 simultaneously drive the supporting transverse plate 17 to move through the four first fixing blocks 16, the supporting transverse plate 17 drives the plurality of 5 arc-shaped feeding blocks 50 to convey the workpiece above the feeding plate 8 to the right, the reciprocating circulation is carried out until the workpiece is conveyed to the upper side of the blanking plate 10, the workpiece slides to the right along the gradient of the surface of the blanking plate 10 under the action of the gravity of the workpiece, when the workpiece rolls down to the 2 clamping table 28, the 3 gravity sensor 30 transmits the workpiece to the 3 hydraulic rod 32, the 3 hydraulic rod 323 push plate 33 moves to the 2 clamping table 28, when the workpiece is pushed into the three 4 movable blocks 43 and contacts with the 3 second fixed blocks 39, the workpiece moves to the first movable groove 36 side of the 3 second fixed block 393 extrusion rod 383 and extrudes the 3 second springs 37, and when the workpiece is pushed into the three 4 movable blocks 43 and contacts with the 3 second fixed blocks 39, the workpiece can abut against the 4 abutting blocks 45, the 4 third springs 44 outside the 4 abutting blocks 45 are extruded, so that the three 4 clamping plates 46 approach to clamp the workpiece, the invention has the advantages of reasonable design and skillful structure, has good market competitiveness through mutual matching of the structures, and is worthy of recommendation.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An automatic feeding device for a numerical control machine tool comprises two first supporting vertical plates (1) and is characterized in that a second supporting vertical plate (2) is fixedly connected above the two first supporting vertical plates (1), a bottom plate (3) is fixedly connected to the upper ends of the left sides of the two second supporting vertical plates (2) together, the right side of the upper surface of the bottom plate (3) is inclined, a feeding box (4) is installed above the bottom plate (3), a sliding groove (5) is formed in the right side of the feeding box (4), a plurality of first springs (6) are uniformly and fixedly connected to the top of the sliding groove (5), a movable plate (7) is fixedly connected to the lower ends of the first springs (6) together, a discharge hole (51) matched with the movable plate (7) for use is formed in the right side of the feeding box (4), and a feeding plate (8) is symmetrically and fixedly connected to the right end of the bottom plate (3), the lower ends of the two feeding plates (8) are respectively and fixedly connected with the two second supporting vertical plates (2), a plurality of grooves (9) are respectively and uniformly formed in the surfaces of the two feeding plates (8), the right ends of the two feeding plates (8) are jointly and fixedly connected with a blanking plate (10), the upper surface of the blanking plate (10) is arranged in an inclined mode, the lower ends of the blanking plate (10) are respectively and fixedly connected with the two second supporting vertical plates (2), the inner parts of the right sides of the two first supporting vertical plates (1) are respectively and rotatably connected with first rotating shafts (11), the inner parts of the left sides of the two first supporting vertical plates (1) are respectively and rotatably connected with second rotating shafts (14), the opposite ends of the two second rotating shafts (14) and the two first rotating shafts (11) extend to the outer parts of the first supporting vertical plates (1) and are respectively and fixedly connected with first connecting blocks (15), the four opposite ends of the first connecting blocks (15) are all rotatably connected with first fixing blocks (16), the upper ends of the four first fixing blocks (16) are fixedly connected with a supporting transverse plate (17) together, the upper end of the supporting transverse plate (17) is symmetrically and fixedly connected with a plurality of supporting blocks (49), and the upper ends of the supporting blocks (49) are all fixedly connected with arc-shaped feeding blocks (50).

2. The automatic feeding device for numerical control machine tool according to claim 1, wherein one end of each of the two first rotating shafts (11) far from the first connecting block (15) extends to the outside of the first supporting vertical plate (1) and is fixedly sleeved with a first driving pulley (18), a first mounting plate (12) is fixedly connected with the front end of the first supporting vertical plate (1), a motor (13) is arranged at the upper end of the first mounting plate (12), one of them first drive pulley (18) are kept away from the one end of first pivot (11) and the output shaft fixed connection of motor (13), two the one end that first connecting block (15) were kept away from in second pivot (14) all extends to the outside of first support riser (1) and first driven pulley (19) of fixedly connected with respectively, two first belt (20) have been cup jointed jointly respectively between first driven pulley (19) and two first drive pulleys (18).

3. The automatic feeding device for the numerical control machine tool according to claim 1, wherein the front end and the rear end of the movable plate (7) are fixedly connected with second connecting blocks (26), the front end and the rear end of the feeding box (4) are respectively provided with a through groove (48) matched with the two second connecting blocks (26), and one end of each of the two second connecting blocks (26) far away from the movable plate (7) extends to the outside of the through groove (48) and is respectively and fixedly connected with a touch plate (27).

4. The automatic feeding device for the numerical control machine tool according to claim 3, characterized in that a rotating rod (21) is rotatably connected between two first supporting risers (1), and the rotating rod (21) is arranged on the left side of a second rotating shaft (14), a second driven pulley (22) is fixedly sleeved on the front side and the rear side of the rotating rod (21) and respectively extends to the outside of the two first supporting risers (1), a second driving pulley (23) is fixedly sleeved on the outside of the second rotating shaft (14), a second belt (24) is commonly sleeved between the second driving pulley (23) and the two second driven pulleys (22), and a rotating disc (25) matched with the contact resisting plate (27) and used is fixedly connected to the two ends of the rotating rod (21).

5. The automatic feeding device for the numerical control machine tool is characterized in that clamping tables (28) are fixedly connected to the upper right ends of the two second supporting vertical plates (2) together, the left ends of the clamping tables (28) are fixedly connected with the blanking plate (10), gravity sensors (30) are mounted on the upper surfaces of the clamping tables (28), and baffles (29) are fixedly connected to the upper right ends of the clamping tables (28).

6. The automatic feeding device for the numerical control machine tool is characterized in that a second mounting plate (31) is fixedly connected to the front end of the clamping table (28), a hydraulic rod (32) is mounted at the upper end of the gravity sensor (30), a push plate (33) is fixedly connected to the output direction of the hydraulic rod (32), and the lower end of the push plate (33) is tightly attached to the upper surface of the clamping table (28).

7. The automatic feeding device for the numerical control machine tool according to claim 5, characterized in that a third mounting plate (34) is fixedly connected to the rear end of the baffle plate (29), a clamping device (35) is mounted on the upper surface of the third mounting plate (34), a first movable groove (36) is formed in the clamping device (35), a second spring (37) is fixedly connected to the inner wall of the rear side of the first movable groove (36), an extrusion rod (38) is fixedly connected to the front end of the second spring (37), a second fixing block (39) is fixedly connected to the front end of the extrusion rod (38), the cross section of the second fixing block (39) is trapezoidal, and a first anti-slip mat (40) is mounted at the front end of the second fixing block (39).

8. The automatic feeding device for the numerical control machine tool according to claim 7, wherein three second movable grooves (41) are uniformly formed in the front end of the clamping device (35), connecting rods (42) are fixedly connected between the inner walls of the three second movable grooves (41), three movable blocks (43) are movably sleeved outside the three connecting rods (42), three abutting blocks (45) are fixedly connected to one sides of the rear ends of the movable blocks (43) close to the second fixed block (39), three third springs (44) are fixedly connected to one sides of the rear ends of the movable blocks (43) far away from the abutting blocks (45), and one ends of the three third springs (44) far away from the movable blocks (43) are fixedly connected to the inner walls of the second movable grooves (41).

9. The automatic feeding device for the numerical control machine tool is characterized in that the front ends of three movable blocks (43) extend to the outside of a second movable groove (41), one sides of the three movable blocks (43), which are opposite to the front ends, are fixedly connected with clamping plates (46), one sides of the three clamping plates (46), which are far away from the movable blocks (43), are provided with second anti-skid pads (47), and the three second anti-skid pads (47) and the first anti-skid pads (40) are rubber anti-skid pads.