CN112387991A

CN112387991A - Double-end numerical control lathe

Info

Publication number: CN112387991A
Application number: CN202011177304.7A
Authority: CN
Inventors: 杨帅军; 鲍合祥
Original assignee: Huainan Pujiu Mechanical Equipment Co ltd
Current assignee: Huainan Pujiu Mechanical Equipment Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-02-23

Abstract

The invention relates to the technical field of machine tool equipment, in particular to a double-head numerical control lathe, which comprises a material pushing device, a driving material feeding device, first supporting legs, fixed mounting holes, a feeding plate, second supporting legs and a material clamping device, wherein the first supporting legs are symmetrically and fixedly mounted at the bottoms of the two ends of the feeding plate, the driving material feeding device is mounted inside the material pushing device, the material clamping device is mounted on one side above the feeding plate, the second supporting legs are uniformly and fixedly mounted at the bottoms of the material pushing device and the material clamping device, the bottoms of the first supporting legs and the second supporting legs are uniformly provided with the fixed mounting holes, the material pushing device comprises a supporting frame, a sliding clamping block, a limiting plate, a telescopic rod and a push plate, and the limiting plate is fixedly mounted on the upper end face of one side of. When the metal tube feeding device is used, metal tubes to be processed can be conveyed singly and accurately, and the metal tubes can be automatically pushed and conveyed while being fed.

Description

Double-end numerical control lathe

Technical Field

The invention relates to the technical field of numerically controlled lathes, in particular to a double-head numerically controlled lathe.

Background

Compared with an ordinary double-head lathe, the double-head numerically controlled lathe has the characteristics of more fineness and automation in processing. Two turning points are respectively arranged at two ends and are respectively controlled by a numerical control system. The double-end numerical control lathe is mainly used for processing some pipes, and simultaneously, grooving and the like are carried out on two sides or two ends of the pipes.

The double-end numerical control lathe that has used can not ensure that tubular product can both one at a time get into to the device and process when the tubular product that the in-process that uses needs to process feeds to can have the appearance of empty material phenomenon sometimes at the in-process feeder of feed, thereby cause the untimely of feed, consequently need a device to solve above-mentioned problem promptly.

Disclosure of Invention

The invention aims to provide a double-head numerically controlled lathe to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a double-end numerical control lathe, includes blevile of push, drive material feeding unit, first supporting leg, fixed mounting hole, delivery sheet, second supporting leg and card material device, first supporting leg symmetry fixed mounting is in the both ends bottom of delivery sheet, drive material feeding unit installs the inside at blevile of push, card material device installs in top one side of delivery sheet, the even fixed mounting of second supporting leg is in the bottom of blevile of push and card material device, fixed mounting hole has evenly been seted up to the bottom of first supporting leg and second supporting leg.

Specifically, blevile of push includes support frame, slip fixture block, limiting plate, telescopic link and push pedal, the limiting plate is through supporting a side up end of riser fixed mounting at the support frame, the slip fixture block slip joint is on the limiting plate, the telescopic link is horizontal form fixed connection on the upper portion of slip fixture block, push pedal fixed connection is at the front end of telescopic link.

Specifically, the limiting plate and the push plate are both arranged in an inclined manner at 45 degrees.

Specifically, the driving feeding device comprises a driving gear, a connecting shaft, an adjusting convex disc, an adjusting rotating wheel, a first slot, an adjusting block, a lifting adjusting frame, a supporting feeding plate, a blocking column, a lifting supporting rod and a connecting plate, the adjusting rotating wheels are symmetrically and rotatably arranged on the end surface of the outer side of the lifting adjusting frame, the adjusting convex disc is rotatably arranged between the adjusting rotating wheels, the connecting shaft is fixedly connected with the middle part of the outer end face of the adjusting convex disc, the driving gear is fixedly arranged at the front end of the connecting shaft, the connecting plate is fixedly connected with the bottom of the lifting adjusting frame, the lifting support rod is fixedly connected with the front end of the connecting plate, the baffle column is fixedly connected with the inner side of the upper end of the lifting support rod, the support feeding plate is fixedly arranged on the outer side of the upper part of the lifting support rod, the first slot is fixedly arranged at the upper end of the lifting adjusting frame and penetrates through the upper part of the adjusting block.

Specifically, the height that separates the bumping post is higher than the height that supports the delivery sheet, just separate the bumping post and be slick and sly form setting, it is triangular prism form setting to support the delivery sheet, the oil filler point has been seted up to the upper end of regulating block.

The material clamping device comprises a blocking limiting baffle, a telescopic push rod, a connecting adjusting plate, an adjusting spring, a storage frame, a fixed block, a second slot and a blocking plate, wherein the blocking limiting baffle is symmetrically and fixedly installed at the upper end of the storage frame, the telescopic push rod is slidably inserted into the storage frame, the connecting adjusting plate is fixedly installed at the tail end of the telescopic push rod, the fixed block is symmetrically and fixedly installed at the two sides of the storage frame far away from the connecting adjusting plate, the adjusting spring is fixedly connected between the fixed block and the two ends of the connecting adjusting plate, the blocking plate is fixedly installed at the inner portion of one end of the storage frame far away from the connecting adjusting plate, and the second slot is arranged in the middle of one end, close to the blocking baffle, of the storage frame in a.

Specifically, the length and the width of the second slot are respectively greater than the length and the width of the supporting feeding plate plus the blocking column.

Specifically, a conveying groove is formed in one side of the feeding plate, a pushing groove is formed in the middle of the conveying groove, and the pushing groove penetrates through the feeding plate.

Specifically, the push plate is slidably clamped inside the push groove.

Specifically, the connecting axle rotates and pegs graft in the bottom of support frame, the lift adjustment frame runs through the activity and pegs graft in the upper end of support frame, and the telescopic link activity is pegged graft in the inside of first slot, and the lifting support pole is located the second slot under, and the even fixed mounting of second supporting leg is at the bottom face of storage frame and support frame, and the width of conveyer trough is greater than the width of push pedal.

Compared with the prior art, the invention has the following beneficial effects:

the invention can be meshed and connected with a quick gear of an external driving device through a driving gear so as to drive the device to run, the metal pipe to be processed can be added and stored at one time by utilizing the material storage frame, the metal pipe in the material storage frame can be timely supplemented under the pushing of the telescopic push rod after being taken out for use under the action of the elasticity of the adjusting spring, the lifting support rod drives the supporting feeding plate and the blocking column to be inserted into the second slot, the metal pipe at the foremost end in the material storage frame can be separated from the metal pipe at the rear end in the material storage frame after the blocking column is inserted into the second slot, the supporting feeding plate is contacted with the metal pipe at the foremost end and the metal pipe rises under the supporting of the supporting feeding plate and the blocking of the blocking plate along with the rising of the lifting support rod, the inside that just can roll to the conveyer trough when the height that rises is greater than at a distance from the baffle, because drive gear's rotation can control lift adjustment frame and lift bracing piece through adjusting the flange and adjusting the rotation wheel regularly and carry out elevating movement, and the regulating block that goes up and down simultaneously makes telescopic link and push pedal carry out horizontal reciprocating motion through first slot, thereby the push pedal when the inside that promotes the groove moves forward alright with carry the inside to the lathe of conveyer trough inside metal tube and process, thereby realize the transport to the single accuracy of metal tube, the processing to the metal tube is convenient, can not be in the appearance of the in-process empty material phenomenon of carrying, and only carry a metal tube at every turn has been ensured.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the pushing device of the present invention;

FIG. 3 is a schematic structural view of a driving feeding device of the present invention;

FIG. 4 is a schematic structural view of a material clamping device according to the present invention;

fig. 5 is a schematic structural diagram of a feeding plate of the present invention.

In the figure: 1-material pushing device, 2-driving material feeding device, 3-first supporting leg, 4-fixed mounting hole, 5-material feeding plate, 6-second supporting leg, 7-material clamping device, 11-supporting frame, 12-sliding clamping block, 13-limiting plate, 14-telescopic rod, 15-pushing plate, 21-driving gear, 22-connecting shaft, 23-adjusting convex disc, 24-adjusting rotating wheel, 25-first slot, 26-adjusting block, 27-lifting adjusting frame, 28-supporting material feeding plate, 29-blocking column, 210-lifting supporting rod, 211-connecting plate, 71-blocking limiting baffle, 72-telescopic push rod, 73-connecting adjusting plate, 74-adjusting spring, 75-material storage frame, 76-fixing block, 77-second slot, 78-baffle, 51-conveying trough and 52-pushing trough.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention is shown: the utility model provides a double-end numerical control lathe, including blevile of push 1, drive material feeding unit 2, first supporting leg 3, fixed mounting hole 4, feed table 5, second supporting leg 6 and

card material device

7, 3 symmetry fixed mounting of first supporting leg are in the both ends bottom of feed table 5, drive material feeding unit 2 installs the inside at blevile of push 1, card material device 7 installs in top one side of feed table 5, the even fixed mounting in the bottom of blevile of push 1 with card material device 7 of second supporting leg 6, fixed mounting hole 4 has evenly been seted up to the bottom of first supporting leg 3 and second supporting leg 6.

Specifically, blevile of push 1 includes support frame 11, slip fixture block 12, limiting plate 13, telescopic link 14 and push pedal 15, limiting plate 13 is through supporting riser (not mark in the picture) fixed mounting at the up end of support frame 11, slip fixture block 12 slip joint is on limiting plate 13, telescopic link 14 is level form fixed connection on the upper portion of slip fixture block 12, push pedal 15 fixed connection is at the front end of telescopic link 14, the regulating block 26 of lift makes telescopic link 14 and push pedal 15 carry out horizontal reciprocating motion through first slot 25, thereby push pedal 15 when the inside of thrust groove 52 moves forward alright with carry the inside of conveying trough 51 inside tubular metal resonator to the lathe and process, thereby realize the transport to the single accuracy of tubular metal resonator.

Specific, limiting plate 13 and push pedal 15 all are 45 slopes to set up, slip fixture block 12 slip joint is in the both sides of limiting plate 13 and push pedal 15 all are 45 slopes to set up, consequently lateral shifting's push pedal 15 alright with will fall into to the inside tubular metal resonator of conveyer trough 51 separate to keep off by release to the processing of lathe feed inlet in conveyer trough 51, the design of the cell body of conveyer trough 51 for running through, conveyer trough 51 is unmovable can not influence push pedal 15 transversely and reciprocate in its inside, push pedal 15 all is 45 slopes to set up and consequently has ensured that it also can carry out the removal from top to bottom in lateral shifting, just can play the effect far enough to promote to the tubular metal resonator as long enough of push pedal 15's length.

Specifically, the driving feeding device 2 comprises a driving gear 21, a connecting shaft 22, an adjusting convex disc 23, an adjusting rotating wheel 24, a first slot 25, an adjusting block 26, a lifting adjusting frame 27, a supporting feeding plate 28, a blocking column 29, a lifting supporting rod 210 and a connecting plate 211, wherein the adjusting rotating wheel 24 is symmetrically and rotatably installed on the outer end face of the lifting adjusting frame 27, the adjusting convex disc 23 is rotatably installed between the adjusting rotating wheels 24, the connecting shaft 22 is fixedly connected to the middle of the outer end face of the adjusting convex disc 23, the driving gear 21 is fixedly installed at the front end of the connecting shaft 22, the connecting plate 211 is fixedly connected to the bottom of the lifting adjusting frame 27, the lifting supporting rod 210 is fixedly connected to the front end of the connecting plate 211, the blocking column 29 is fixedly connected to the inner side of the upper end of the lifting supporting rod 210, the supporting feeding plate 28 is fixedly installed on the outer side of the upper portion of, the first slot 25 runs through the upper part of the adjusting block 26, and is connected with the fast gear engagement of the external driving device through the driving gear 21, thereby driving the device to operate, the rotating driving gear 21 can drive the adjusting convex disc 23 to rotate, the rotating adjusting convex disc 23 can make the lifting adjusting frame 27 and the lifting support rod 210 move up and down under the action of the adjusting rotating wheel 24, the rotating adjusting rotating wheel 24 uses to greatly reduce the friction force between the adjusting convex disc 23 and the adjusting rotating wheel 24, the lifting support rod 210 drives the supporting feeding plate 28 and the blocking column 29 to be inserted into the second slot 77, because the blocking column 29 is located at the uppermost end of the lifting support rod 210 and is arranged in a smooth shape, the blocking column 29 is just located between the two metal pipes at the frontmost after being inserted into the second slot 77, therefore, the metal pipe at the frontmost front end inside the storage frame 75 and the rear metal pipe can be connected after the blocking column 29 is inserted into the second slot 77 The metal pipe at the end is separated by a baffle, the supporting feed plate 28 is contacted with the metal pipe at the forefront end at the moment along with the rising of the lifting support rod 210, the metal pipe is lifted under the support of the supporting feed plate 28 and the baffle of the baffle 78, the supporting feed plate 28 is arranged in a triangular prism shape, therefore, the metal pipe can roll down to the inner part of the conveying groove 51 over the baffle 78 when the height of the supporting feed plate 28 is larger than the height of the baffle 78, the lifting adjusting frame 27 is lifted while the lifting support rod 210 is lifted, the lifted lifting adjusting frame 27 and the adjusting block 26 can enable the telescopic rod 14 and the push plate 15 to transversely slide under the action of transverse force generated by the first slot 25 extruding the telescopic rod 14, and as the sliding fixture blocks 12 are slidably clamped at the two sides of the limiting plate 13 and the push plate 15 are obliquely arranged at 45 degrees, the transversely moving push plate 15 can push the metal pipe falling into the conveying groove 51 out of the baffle from the conveying groove 51 to the feed inlet.

Specifically, the height of the blocking column 29 is higher than the height of the supporting feeding plate 28, the blocking column 29 is arranged in a smooth manner, the supporting feeding plate 28 is arranged in a triangular prism shape, an oil filling hole is formed in the upper end of the adjusting block 26, the blocking column 29 is inserted into the second slot 77 and then can separate the metal pipe at the foremost end inside the material storage frame 75 from the metal pipe at the rear end, the supporting feeding plate 28 is in contact with the metal pipe at the foremost end along with the rising of the lifting supporting rod 210, the metal pipe rises under the supporting of the supporting feeding plate 28 and the blocking of the blocking plate 78, the supporting feeding plate 28 is arranged in the triangular prism shape, and therefore when the height of the supporting feeding plate 28 is larger than the height of the blocking plate 78, the metal pipe can cross the blocking plate 78 and roll to the inside of the conveying slot 51, and the lubricating oil can be conveniently adjusted through the oil filling hole to slow down the abrasion.

Specifically, the material clamping device 7 comprises a blocking limit baffle 71, a telescopic push rod 72, a connecting adjustment plate 73, an adjustment spring 74, a material storage frame 75, a fixing block 76, a second slot 77 and a blocking baffle 78, wherein the blocking limit baffle 71 is symmetrically and fixedly arranged at the upper end of the material storage frame 75, the telescopic push rod 72 is inserted in the material storage frame 75 in a sliding manner, the connecting adjustment plate 73 is fixedly arranged at the tail end of the telescopic push rod 72, the fixing block 76 is symmetrically and fixedly arranged at two sides of one end, far away from the connecting adjustment plate 73, of the material storage frame 75, the adjustment spring 74 is fixedly connected between the fixing block 76 and two ends of the connecting adjustment plate 73, the blocking baffle 78 is fixedly arranged in one end, far away from the connecting adjustment plate 73, of the material storage frame 75, the second slot 77 is arranged in the middle of one end, close to the blocking baffle 78, a metal pipe to be processed can be placed, connect regulating plate 73 through regulating spring 74 pulling and make the front end extrusion of telescopic push rod 72 place the tubular metal resonator inside storage frame 75, separate to keep off limit baffle 71 and separate the fender of baffle 78 spacing down for put into the tubular metal resonator inside storage frame 75 can be even arrange out, and after the tubular metal resonator that is located storage frame 75 foremost takes out the use, the tubular metal resonator in rear can be quick displacement forward under the effect of telescopic push rod 72 thrust.

Specifically, the length and width of the second slot 77 are both greater than the length and width of the support feeding plate 28 and the blocking post 29, respectively, so that the support feeding plate 28 and the blocking post 29 can be smoothly inserted into the second slot 77 to separate the metal pipes.

Specifically, the conveying groove 51 has been seted up to one side of delivery sheet 5, and promotion groove 52 has been seted up at the middle part of conveying groove 51, and promotes groove 52 and run through delivery sheet 5 for delivery sheet 5 can support and remove the tubular metal resonator.

Specifically, push pedal 15 slip joint is in the inside that promotes groove 52, slip fixture block 12 slip joint is in the both sides of limiting plate 13 and push pedal 15 all are 45 slope settings, consequently lateral shifting's push pedal 15 alright with will fall into to the inside tubular metal resonator of conveyer trough 51 separate to keep off by the conveyer trough 51 in release to the processing of lathe feed inlet, push pedal 15 all is 45 slope settings and consequently has ensured that it also can carry out the removal from top to bottom in lateral shifting, as long as push pedal 15's length just can play the effect of promoting enough far away to the tubular metal resonator.

Specifically, the connecting shaft 22 rotates and pegs graft in the bottom of support frame 11, the lift alignment jig 27 runs through the activity and pegs graft in the upper end of support frame 11, and telescopic link 14 activity is pegged graft in the inside of first slot 25, the lift bracing piece 210 is located under the second slot 77, the even fixed mounting of second supporting leg 6 is at the bottom end face of storage frame 75 and support frame 11, the width of conveyer trough 51 is greater than the width of push pedal 15, make push pedal 15 can be in the smooth removal in the inside of conveyer trough 51.

The working principle is as follows: the device is fixedly arranged inside the feeding end of a machine tool through the fixed mounting holes 4 formed in the first supporting leg 3 and the second supporting leg 6, the device is connected with an external driving device through the driving gear 21 in a quick gear meshing manner, so that the device is driven to operate, a metal pipe to be processed can be placed inside the storage frame 75 at one time, the adjusting plate 73 is pulled through the adjusting spring 74 to enable the front end of the telescopic push rod 72 to extrude the metal pipe placed inside the storage frame 75, the metal pipe placed inside the storage frame 75 can be uniformly arranged under the blocking limit of the blocking limit baffle 71 and the blocking limit baffle 78, after the metal pipe at the foremost end of the storage frame 75 is taken out for use, the metal pipe behind the push force of the telescopic push rod 72 can be rapidly displaced forwards for supplement, the rotating driving gear 21 can drive the adjusting convex disc 23 to rotate, the rotating adjusting convex disc 23 can make the lifting adjusting frame 27 and the lifting support rod 210 move up and down under the action of the adjusting rotating wheel 24, the friction force between the adjusting convex disc 23 and the adjusting rotating wheel 24 is greatly reduced by the rotating adjusting rotating wheel 24, the ascending lifting support rod 210 drives the support feeding plate 28 and the blocking column 29 to be inserted into the second slot 77, the blocking column 29 is positioned at the uppermost end of the lifting support rod 210 and is arranged in a smooth manner, the blocking column 29 is inserted into the second slot 77 and is positioned between the two metal pipes positioned at the forefront, therefore, the metal pipe positioned at the foremost end in the storage frame 75 can be separated from the metal pipe at the rear end after the blocking column 29 is inserted into the second slot 77, the support feeding plate 28 is contacted with the metal pipe at the foremost end and the metal pipe is lifted under the support of the support feeding plate 28 and the blocking of the blocking plate 78 as the lifting support rod 210 is lifted up, the supporting feeding plate 28 is arranged in a triangular prism shape, so that when the height of the supporting feeding plate 28 is greater than the height of the baffle plate 78, the metal pipe can cross the baffle plate 78 and fall into the conveying groove 51, when the lifting support rod 210 is lifted, the lifting adjusting frame 27 is lifted, the lifted lifting adjusting frame 27 and the adjusting block 26 can enable the telescopic rod 14 and the push plate 15 to transversely slide under the action of transverse force generated by the first slot 25 extruding the telescopic rod 14, because the sliding clamping blocks 12 are slidably clamped at two sides of the limiting plate 13, and the limiting plate 13 and the push plate 15 are both arranged in an inclined manner at 45 degrees, the transversely moving push plate 15 can separate and block the metal pipe falling into the conveying groove 51 and push out the metal pipe from the conveying groove 51 to a machine tool feeding hole for processing, and because the push plates 15 are both arranged in an inclined manner at 45 degrees, the metal pipe can also move up and down while being transversely displaced, the metal pipe can be pushed far enough as long as the push plate 15 is long enough, and the lifting adjusting frame 27 and the lifting support rod 210 can move up and down regularly due to the device of the driving gear 21, so that the metal pipe can be automatically and regularly conveyed only by controlling the rotation of the driving gear 21 as long as the metal pipe in the storage frame 75 is enough.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a double-end numerical control lathe, includes blevile of push (1), drive material feeding unit (2), first supporting leg (3), fixed mounting hole (4), delivery sheet (5), second supporting leg (6) and card material device (7), its characterized in that: first supporting leg (3) symmetry fixed mounting is in the both ends bottom of delivery sheet (5), drive material feeding unit (2) are installed in the inside of blevile of push (1), the top one side at delivery sheet (5) is installed in card material device (7), the even fixed mounting in the bottom of blevile of push (1) and card material device (7) of second supporting leg (6), fixed mounting hole (4) have evenly been seted up to the bottom of first supporting leg (3) and second supporting leg (6).

2. The double-headed numerically controlled lathe according to claim 1, wherein: blevile of push (1) includes support frame (11), slip fixture block (12), limiting plate (13), telescopic link (14) and push pedal (15), limiting plate (13) are through supporting one side up end of riser fixed mounting at support frame (11), slip fixture block (12) slip joint is on limiting plate (13), telescopic link (14) are the upper portion of level form fixed connection at slip fixture block (12), push pedal (15) fixed connection is at the front end of telescopic link (14).

3. The double-headed numerically controlled lathe according to claim 2, wherein: the limiting plate (13) and the push plate (15) are both arranged in an inclined manner at an angle of 45 degrees.

4. The double-headed numerically controlled lathe according to claim 1, wherein: the driving and feeding device (2) comprises a driving gear (21), a connecting shaft (22), an adjusting convex disc (23), an adjusting rotating wheel (24), a first slot (25), an adjusting block (26), a lifting adjusting frame (27), a supporting feeding plate (28), a blocking separating column (29), a lifting supporting rod (210) and a connecting plate (211), wherein the adjusting rotating wheel (24) is symmetrically and rotatably arranged on the outer end face of the lifting adjusting frame (27), the adjusting convex disc (23) is rotatably arranged between the adjusting rotating wheels (24), the connecting shaft (22) is fixedly connected to the middle of the outer end face of the adjusting convex disc (23), the driving gear (21) is fixedly arranged at the front end of the connecting shaft (22), the connecting plate (211) is fixedly connected to the bottom of the lifting adjusting frame (27), and the lifting supporting rod (210) is fixedly connected to the front end of the connecting plate (211), the baffle column (29) is fixedly connected to the inner side of the upper end of the lifting support rod (210), the support feeding plate (28) is fixedly installed on the outer side of the upper portion of the lifting support rod (210), the first slot (25) is fixedly installed at the upper end of the lifting adjusting frame (27), and the first slot (25) penetrates through the upper portion of the adjusting block (26).

5. The double-headed numerically controlled lathe according to claim 4, wherein: the height of the blocking column (29) is higher than that of the supporting feeding plate (28), the blocking column (29) is arranged in a smooth mode, the supporting feeding plate (28) is arranged in a triangular prism mode, and the upper end of the adjusting block (26) is provided with an oil filling hole.

6. The double-headed numerically controlled lathe according to claim 1, wherein: the material clamping device (7) comprises a blocking limiting baffle (71), a telescopic push rod (72), a connecting adjusting plate (73), an adjusting spring (74), a material storage frame (75), a fixing block (76), a second slot (77) and a blocking plate (78), wherein the blocking limiting baffle (71) is symmetrically and fixedly installed at the upper end of the material storage frame (75), the telescopic push rod (72) is inserted in the material storage frame (75) in a sliding manner, the connecting adjusting plate (73) is fixedly installed at the tail end of the telescopic push rod (72), the fixing block (76) is symmetrically and fixedly installed at two sides of one end, away from the connecting adjusting plate (73), of the material storage frame (75), the adjusting spring (74) is fixedly connected between the two ends of the fixing block (76) and the connecting adjusting plate (73), the blocking plate (78) is fixedly installed inside one end, away from the connecting adjusting plate (73), of the material storage frame (75), the second slot (77) penetrates through the middle of one end, close to the baffle plate (78), of the storage frame (75).

7. The double-headed numerically controlled lathe according to claim 6, wherein: the length and the width of the second slot (77) are respectively larger than the length and the width of the supporting feeding plate (28) and the baffle column (29).

8. The double-headed numerically controlled lathe according to claim 1, wherein: a conveying groove (51) is formed in one side of the feeding plate (5), a pushing groove (52) is formed in the middle of the conveying groove (51), and the pushing groove (52) penetrates through the feeding plate (5).

9. The double-headed numerically controlled lathe according to claim 2, wherein: the push plate (15) is clamped in the push groove (52) in a sliding manner.

10. The double-headed numerically controlled lathe according to claim 4, wherein: the connecting shaft (22) is rotatably inserted at the bottom of the supporting frame (11), the lifting adjusting frame (27) penetrates through the upper end of the supporting frame (11) in a movable insertion mode, the telescopic rod (14) is movably inserted in the first insertion groove (25), the lifting supporting rod (210) is located under the second insertion groove (77), the second supporting leg (6) is uniformly and fixedly installed on the bottom end faces of the material storage frame (75) and the supporting frame (11), and the width of the conveying groove (51) is larger than that of the push plate (15).