CN114393384A

CN114393384A - Automatic device that adds of built-in type screw of lathe

Info

Publication number: CN114393384A
Application number: CN202210045666.3A
Authority: CN
Inventors: 吴鹏英
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-16
Filing date: 2022-01-16
Publication date: 2022-04-26

Abstract

The invention discloses a built-in screw automatic adding device for a machine tool, which comprises a lifting screwing device, a material taking and positioning mechanism, a first material conveying device, a second material conveying device, a fixed bottom plate and a supporting plate, wherein the supporting plate is fixedly arranged at the upper end of the fixed bottom plate, the first material conveying device and the second material conveying device are fixedly arranged on two sides of the front end of the supporting plate, the structural specifications of the first material conveying device and the second material conveying device are identical, the material taking and positioning mechanism is arranged on one side, far away from the first material conveying device and the second material conveying device, of the fixed bottom plate and the supporting plate, and the lifting screwing device is symmetrically and fixedly arranged on the upper parts of two sides, far away from the second material conveying device, of the supporting plate. The screw feeding device can convey screws efficiently and quickly and automatically add the screws to workpieces in the using process, so that the efficiency is improved.

Description

Automatic device that adds of built-in type screw of lathe

Technical Field

The invention relates to the technical field of screw adding, in particular to a built-in screw automatic adding device for a machine tool.

Background

The machine tool needs to finish automatic and quick screw adding and screwing on an internal workpiece in the machining process, the efficiency of the existing machine tool is low when the screw is added on the workpiece to be machined, and the feeding, driving, positioning and screwing of the screw cannot be completed autonomously, so that manual assistance and intervention are needed when the screw is added in the machining process of the workpiece in the machine tool, the machining effect of the workpiece is reduced, long time is spent when the screw is added continuously for a long time when the same continuous workpiece is required, and the screw is easy to drop in the conveying process when the screw is added automatically in the existing device, so that the problem is solved urgently by a device, the screw can be added continuously, efficiently and autonomously to the workpiece in the machine tool, and the screw adding efficiency is improved.

Disclosure of Invention

The invention aims to provide an automatic screw adding device arranged in a machine tool, which aims 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 an automatic device that adds of built-in type screw of lathe, revolves soon device, material taking positioning mechanism, first feeding device, second feeding device, PMKD and backup pad including going up and down, backup pad fixed mounting is in PMKD's upper end, first feeding device and second feeding device fixed mounting are in the front end both sides of backup pad, just first feeding device and second feeding device's structural specification is the same all, material taking positioning mechanism installs and keeps away from one side of first feeding device and second feeding device in PMKD and backup pad, it revolves the one end both sides upper portion of revolving device symmetry fixed mounting and keeping away from second feeding device in the backup pad to go up and down.

As optimization, all install the transport frame among first feeding device and the second feeding device, transport the inside transport spout of having seted up in the upper end of frame, the inside even sliding transport of transport spout has the screw, the upper end of carrying the frame has the limiting plate through the regulation screw thread post fixed mounting of symmetry installation.

As an optimization, the conveying frame is inclined at 35 degrees, one end of the conveying frame, which is in contact with the supporting plate, is a lower end, the bottom end of the adjusting threaded column is inserted into the conveying frame through threads, and the limiting plate is clamped at the upper end of the adjusting threaded column in a sliding mode.

As an optimization, the material taking and positioning mechanism comprises a motor, a driving gear, a first automatic feeding device and a second automatic feeding device, the driving gear is fixedly connected to the bottom end of the motor, the first automatic feeding device and the second automatic feeding device are distributed on two sides of the driving gear, and the first automatic feeding device and the second automatic feeding device are identical in structural specification.

As optimization, all install transmitting gear among first automatic feeding and the second automatic feeding, transmitting gear's middle part fixed mounting has the drive post, the upper end fixed mounting of drive post has the rotation to get the charging tray, the front end that rotates to get the charging tray runs through and has seted up slip spacing draw-in groove, the outside that rotates to get the charging tray is rotated and is installed and rotate the defeated flitch, the outside middle part fixed mounting that rotates to get the charging tray has the mounting bracket, the front end bottom fixed mounting of mounting bracket has first reset spring.

Preferably, a connecting plate is fixedly arranged in the middle of the outer side of the rotary material conveying plate, the bottom end of the first reset spring is fixedly connected to the upper end of the connecting plate, a material taking clamping groove is formed in the middle of the front end of the rotary material conveying plate in a penetrating mode, a second connecting plate is symmetrically and fixedly arranged on the outer side of the front end of the rotary material conveying plate, a rotating shaft is rotatably inserted into one side of the front end of the rotary material conveying plate, two rotating blocks are fixedly arranged on the rotating shaft and are rotatably arranged inside the front end of the rotary material conveying plate, clamping grooves are symmetrically formed in the rotating blocks in a penetrating mode, a rotary connecting plate is rotatably arranged on the outer side of each rotating block through the rotating shaft, third reset springs are symmetrically and uniformly arranged between the outer end face of each rotary connecting plate and the front end of the second connecting plate, and a sliding baffle is slidably inserted into the clamping grooves, the sliding baffle is characterized in that a second reset spring is symmetrically and fixedly mounted on the end face of the outer side of the sliding baffle, the second reset spring is far away from a first connecting plate fixedly connected with one end of the sliding baffle, one end of the first connecting plate is fixedly connected with the side end face of the rotating material conveying plate, and the first connecting plate and the second connecting plate are arranged in an L shape.

As optimization, the lift is twisted and is installed in the device and support the mounting bracket, the upper end fixed mounting that supports the mounting bracket has electronic hydraulic push rod, electronic hydraulic push rod's bottom fixed mounting twists the motor soon, the bottom of twisting the motor soon revolves the pole through reduction gear fixedly connected with, the inboard middle part fixed mounting that supports the mounting bracket has the limiting plate, just it rotates inside the front end of pegging graft at the limiting plate to revolve the pole.

As optimization, the bottom and the backup pad fixed connection of support mounting bracket, motor fixed mounting is in the backup pad, drive gear and rotating gear all rotate and install on PMKD, just rotating gear among first automatic feeding and the second automatic feeding all is connected with drive gear meshing, the inside slidable mounting of the spacing draw-in groove of slip has spacing stand, and spacing stand fixed mounting is in the backup pad.

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

when the device is used, the first automatic feeding device and the second automatic feeding device synchronously swing and rotate in a reciprocating way, thereby the screws which are evenly conveyed on the second material conveying device and the first material conveying device can be taken down and conveyed to the appointed position, the screws are screwed to the workpiece through the screwing rod in the lifting screwing device, and the screw can be automatically blocked by rotating the sliding baffle plate arranged at the front end of the screw conveying plate in the screw conveying process, and the sliding baffle plate can automatically slide, open, close and rotate, thereby ensuring that the screw can be accurately conveyed into the material taking clamping groove, simultaneously preventing the screw positioned in the material taking clamping groove from falling off in the rotating and conveying process, and after the screw is rotatably arranged on the workpiece, the screw can be smoothly and quickly separated from the rotary material conveying plate, so that the screw can be automatically and quickly conveyed, loaded and screwed on the workpiece.

Drawings

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

FIG. 2 is a schematic view of a material pick-up positioning mechanism according to the present invention;

FIG. 3 is a schematic structural diagram of the collecting device of the present invention;

FIG. 4 is a schematic structural view of a first automatic feeding device according to the present invention;

FIG. 5 is a schematic view of the front end structure of the rotary material conveying plate of the present invention;

FIG. 6 is a schematic view of the internal structure of the front end of the rotary material conveying plate according to the present invention;

FIG. 7 is a schematic structural view of the lifting screwing device of the present invention.

In the figure: 1-lifting screwing device, 2-material taking positioning mechanism, 3-first material conveying device, 4-second material conveying device, 5-fixed bottom plate, 6-supporting plate, 7-screw, 8-limiting plate, 9-adjusting threaded column, 10-conveying frame, 11-conveying chute, 12-motor, 13-driving gear, 14-first automatic feeding device, 15-second automatic feeding device, 16-driving column, 17-rotating material conveying plate, 18-mounting frame, 19-first return spring, 20-rotating gear, 21-sliding limiting clamping groove, 22-rotating material taking plate, 23-connecting plate, 24-first connecting plate, 25-second return spring, 26-sliding baffle plate, 27-material taking clamping groove, material taking clamping groove, 28-rotating shaft, 29-second connecting plate, 30-third return spring, 31-rotating connecting plate, 32-clamping groove, 33-rotating block, 34-supporting mounting frame, 35-limiting plate, 36-screwing rod, 37-screwing motor and 38-electric hydraulic push rod.

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, an embodiment of the present invention: a built-in screw automatic adding device of a machine tool comprises a lifting screwing device 1, a material taking and positioning mechanism 2, a first material conveying device 3, a second material conveying device 4, a fixed base plate 5 and a supporting plate 6, wherein the supporting plate 6 is fixedly arranged at the upper end of the fixed base plate 5, the first material conveying device 3 and the second material conveying device 4 are fixedly arranged on two sides of the front end of the supporting plate 6, the structural specifications of the first material conveying device 3 and the second material conveying device 4 are identical, the material taking and positioning mechanism 2 is arranged on one side, far away from the first material conveying device 3 and the second material conveying device 4, of the fixed base plate 5 and the supporting plate 6, the lifting screwing device 1 is symmetrically and fixedly arranged on the upper portion of two sides, far away from the second material conveying device 4, of the lifting screwing device 6, and conveying screws 7 uniformly conveyed on the second material conveying device 4 and the first material conveying device 3 can be taken down to an appointed position and conveyed through the lifting screwing device by the lifting screwing device Screwing rod 36 in 1 screws screw 7 to the work piece to can carry out automatic fender through the slip that rotates the installation of material conveying plate 17 front end in the in-process of carrying out the screw 7, and slip and separate baffle 26 and can carry out automatic slip and open and shut and rotatory rotation, thereby can guarantee can be with accurate the carrying of screw 7 to getting inside material clamping groove 27 make the screw 7 that is located getting inside material clamping groove 27 again can not drop at the in-process that rotates the transport, and screw 7 can with rotate the smooth quick separation of material conveying plate 17 after screw 7 is rotatory to be installed on the work piece, thereby can realize carrying the automatic quick conveying material loading of screw 7 and twist on the work piece.

Referring to fig. 2, a conveying frame 10 is installed in each of the first conveying device 3 and the second conveying device 4, a conveying chute 11 is formed in the upper end of the conveying frame 10, screws 7 are evenly conveyed in the conveying chute 11 in a sliding manner, and a limiting plate 8 is fixedly installed at the upper end of the conveying frame 10 through symmetrically installed adjusting threaded columns 9.

Referring to fig. 2, the conveying frame 10 is inclined at 35 °, one end of the conveying frame 10 contacting the supporting plate 6 is a lower end, the bottom end of the adjusting threaded column 9 is inserted into the conveying frame 10, the limiting plate 8 is slidably clamped at the upper end of the adjusting threaded column 9, the screws 7 inside the conveying chute 11 can be prevented from being stacked and protruding by the aid of the partition of the limiting plate 8, the position and the height of the limiting plate 8 can be controlled by screwing the adjusting threaded column 9, and therefore the screws 7 of different specifications and sizes can be conveyed smoothly and tidily inside the conveying chute 11.

Referring to fig. 3, the material taking and positioning mechanism 2 includes a motor 12, a driving gear 13, a first automatic feeding device 14 and a second automatic feeding device 15, the driving gear 13 is fixedly connected to the bottom end of the motor 12, the first automatic feeding device 14 and the second automatic feeding device 15 are distributed on two sides of the driving gear 13, and the first automatic feeding device 14 and the second automatic feeding device 15 have the same structural specification, the rotating driving gear 13 is meshed with the rotating gears 20 of the first automatic feeding device 14 and the second automatic feeding device 15, and the rotating gears 20 are distributed on two sides of the driving gear 13, so that when the driving gear 13 rotates, the rotating material taking discs 22 of the first automatic feeding device 14 and the second automatic feeding device 15 can be synchronously driven to rotate by the rotating gears 20, and the rotating material taking discs 22 of the first automatic feeding device 14 and the second automatic feeding device 15 rotate in opposite directions, therefore, when the rotary material taking disc 22 in the first automatic feeding device 14 rotates, the screw 7 in the second material conveying device 4 can be taken down, and when the rotary material taking disc 22 in the second automatic feeding device 15 rotates, the screw 7 in the first material conveying device 3 can be taken down, so that the two sides of the device can be synchronously, automatically and continuously added with the screw 7 on a workpiece, and the efficiency is improved.

Referring to fig. 4, a rotating gear 20 is installed in each of the first automatic feeding device 14 and the second automatic feeding device 15, a driving column 16 is fixedly installed in the middle of the rotating gear 20, a rotating material taking disc 22 is fixedly installed at the upper end of the driving column 16, a sliding limiting clamping groove 21 is formed in the front end of the rotating material taking disc 22 in a penetrating mode, a rotating material conveying plate 17 is rotatably installed on the outer side of the rotating material taking disc 22, an installation frame 18 is fixedly installed in the middle of the outer side of the rotating material taking disc 22, a first return spring 19 is fixedly installed at the bottom of the front end of the installation frame 18, and the rotating material taking disc 22 is stable in rotation and cannot slide or deviate due to the sliding of the limiting upright column in the sliding limiting clamping groove 21 in the rotating process.

Referring to fig. 5-6, a connecting plate 23 is fixedly installed at the middle of the outer side of the rotary material feeding plate 17, the bottom end of the first return spring 19 is fixedly connected to the upper end of the connecting plate 23, a material taking slot 27 is formed through the middle of the front end of the rotary material feeding plate 17, second connecting plates 29 are symmetrically and fixedly installed at the outer side of the front end of the rotary material feeding plate 17, a rotating shaft 28 is rotatably inserted into one side of the front end of the rotary material feeding plate 17, a rotating block 33 is fixedly installed on the rotating shaft 28, two rotating blocks 33 are provided, the rotating block 33 is rotatably installed inside the front end of the rotary material feeding plate 17, slots 32 are symmetrically formed through the rotating block 33, a rotary connecting plate 31 is rotatably installed at the outer side of the rotating block 33 through the rotating shaft 28, third return springs 30 are symmetrically and uniformly installed between the outer end surface of the rotary connecting plate 31 and the front end of the second connecting plate 29, a sliding baffle 26 is slidably inserted into the slots 32, the outside end face of the sliding baffle 26 is symmetrically and fixedly provided with a second reset spring 25, one end of the second reset spring 25 far away from the sliding baffle 26 is fixedly connected with a first connecting plate 24, one end of the first connecting plate 24 is fixedly connected with the side end face of the rotating material conveying plate 17, the first connecting plate 24 and a second connecting plate 29 are both arranged in an L shape, the rotating material taking plate 22 rotates to a specified position, the sliding baffle 26 which is arranged at the front end of the rotating material conveying plate 17 in a protruding mode is in extrusion contact with the outer wall of the front end of the conveying frame 10, therefore, the sliding baffle 26 compresses the second reset spring 25 and slides in the clamping groove 32, at the moment, the rotating material taking plate 22 continues to rotate, the rotating material conveying plate 17 is driven to rotate, so that the material taking clamping groove 27 is aligned with the bottom end of the conveying chute 11, at the moment, the rotating material taking plate 22 stops rotating, therefore, the screws 7 which are uniformly conveyed in the conveying chute 11 can slide into the material taking clamping groove 27, at this moment, the rotary material taking disc 22 is reversely rotated and reset until the side end of the sliding baffle 26 is not extruded with the side wall of the front end of the conveying frame 10 any more, so that the sliding baffle 26 slides and resets in the clamping groove 32 under the supporting force of the second reset spring 25 to seal and baffle the front end of the material taking clamping groove 27 again, and therefore, the screw 7 cannot be thrown out from the inside of the rotary material conveying plate 17 in the process of the quick rotation and reset of the rotary material taking disc 22, and the rotary material taking disc 22 can rotate quickly and cannot throw out the screw 7 from the inside of the material taking clamping groove 27 under the action of centrifugal force.

Referring to fig. 7, a support mounting frame 34 is installed in the lifting screwing device 1, an electric hydraulic push rod 38 is fixedly installed at the upper end of the support mounting frame 34, a screwing motor 37 is fixedly installed at the bottom end of the electric hydraulic push rod 38, a screwing rod 36 is fixedly connected to the bottom end of the screwing motor 37 through a speed reducer, a limiting plate 35 is fixedly installed at the middle portion of the inner side of the support mounting frame 34, the screwing rod 36 is rotatably inserted into the front end of the limiting plate 35, the screwing rod 36 can be rapidly clamped with the screw 7 by slowly rotating the screwing rod 36, and therefore the screw 7 can be rapidly screwed on a workpiece at an accelerated speed.

Referring to fig. 1-7, the bottom end of the supporting and mounting frame 34 is fixedly connected to the supporting plate 6, the motor 12 is fixedly mounted on the supporting plate 6, the driving gear 13 and the rotating gear 20 are both rotatably mounted on the fixed base plate 5, the rotating gear 20 of the first automatic feeding device 14 and the second automatic feeding device 15 is both engaged with the driving gear 13, and the limiting column is slidably mounted inside the sliding limiting slot 21 and is fixedly mounted on the supporting plate 6.

The working principle is as follows: the device is fixedly arranged at a designated position in a machine tool through a fixing hole formed in a fixing bottom plate 5, a workpiece 7 to be added on a screw 7 is clamped and conveyed to a designated position right below the front end of a lifting screwing device 1, then a motor 12 is started, the motor 12 can drive a driving gear 13 to rotate, the rotating driving gear 13 is meshed and connected with rotating gears 20 in a first automatic feeding device 14 and a second automatic feeding device 15, and the rotating gears 20 are distributed on two sides of the driving gear 13, so that the rotating gears 20 can synchronously drive rotating material taking discs 22 in the first automatic feeding device 14 and the second automatic feeding device 15 to rotate in the rotating process of the driving gear 13, the rotating material taking discs 22 in the first automatic feeding device 14 and the second automatic feeding device 15 rotate in opposite directions, and the rotating material taking discs 22 in the first automatic feeding device 14 can take down the screw 7 in the second material feeding device 4 when rotating The screws 7 in the first material conveying device 3 can be taken down in the rotating process of the rotating material taking disc 22 in the second automatic feeding device 15, so that the two sides of the device can be synchronously and continuously added with the screws 7 on a workpiece, thereby accelerating the efficiency, when the rotating material taking disc 22 rotates, the rotating material taking disc 22 rotates stably without sliding and shifting through the sliding of the limiting upright posts in the sliding limiting clamping grooves 21, the outer wall of the front end of the rotating material taking disc 22 in the rotating process is arranged in an arc shape, therefore, the front end of the rotating material taking disc 22 can seal the front end of the conveying chute 11 in the rotating process, so that the screws 7 uniformly conveyed in the conveying frame 10 cannot slide, when the rotating material taking disc 22 rotates to a specified position, the sliding baffle 26 which is arranged at the front end of the rotating material conveying plate 17 and protrudes out is in extrusion contact with the outer wall of the front end of the conveying frame 10, therefore, the sliding baffle 26 compresses the second return spring 25 and slides in the slot 32, and at this time, the rotating material taking disc 22 continues to rotate, so as to drive the rotating material conveying plate 17 to rotate, so that the material taking slot 27 is aligned with the bottom end of the conveying chute 11, at this time, the rotating material taking disc 22 stops rotating, therefore, the screws 7 uniformly conveyed in the conveying chute 11 slide into the material taking slot 27, at this time, the rotating material taking disc 22 reversely rotates and resets, when the rotating material taking disc 22 reversely rotates and resets, the side end of the sliding baffle 26 is not extruded with the side wall of the front end of the conveying frame 10, so that the sliding baffle 26 slides and resets in the slot 32 under the supporting force of the second return spring 25, so as to block the front end of the material taking slot 27 again in a sealing manner, so that the screws 7 cannot be thrown out from the inside of the rotating material conveying plate 17 in the process of the quick rotating material taking disc 22, therefore, the rotary material taking disc 22 can rotate quickly without throwing the screws 7 out of the material taking clamping grooves 27 under the action of centrifugal force, the continuous feeding efficiency of the screws 7 is improved, the front end of the rotary material taking disc 22 is rotated to seal the bottom end of the conveying chute 11 when the rotary material taking disc 22 rotates reversely and resets, so that the screws 7 in the conveying chute 11 cannot fall out of the conveying chute 11, the rotary material taking disc 22 stops rotating after the rotary material taking disc 22 resets and rotates to a specified position, the material taking clamping grooves 27 are just positioned under the screwing rod 36, the electric hydraulic push rod 38 is started to enable the screwing motor 37 and the screwing rod 36 to descend, the screwing motor 37 controls the screwing rod 36 to rotate slowly through the speed reducer in the descending process, and the screwing rod 36 which rotates slowly while descending can ensure that the bottom end of the screwing rod 36 can be gently blocked with the cross screwing clamping grooves formed in the upper ends of the screws 7, after the screw rod 36 is slowly rotated for several circles after descending to a designated position and the screw 7 is clamped, the screw rod 36 is rapidly rotated by the screw motor 37, so that the screw 7 is screwed to the workpiece, and the front end of the rotary material conveying plate 17 is downwardly displaced in the screwing process, at this time, the rotary material conveying plate 17 is rotated on the rotary material taking tray 22, the workpiece is forwardly located and removed after the screw 7 is screwed to the workpiece, at this time, the screw 7 presses the inner wall of the sliding baffle 26, so that the sliding baffle 26 and the rotary block 33 are rotatably opened by taking the rotary shaft 28 as the axis, so that the screw 7 fixed on the workpiece can be smoothly separated from the inside of the material taking slot 27, and at this time, the screw rod 36 is lifted, the rotary material conveying plate 17 is rotated and reset again under the tension of the first reset spring 19, so that the first automatic feeding device 14 and the second automatic feeding device are rapidly enabled to rapidly and continuously add the screw 7 when the screw 7 is needed The efficient, safe and accurate feeding can be completed by forward and reverse rotation of the rotary material taking disc 22 in the device 15, the screw 7 can be efficiently and quickly conveyed and added on a workpiece in the using process of the device, and the efficiency is improved.

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 an automatic device that adds of built-in type screw of lathe, revolves soon device (1), gets material positioning mechanism (2), first feeding device (3), second feeding device (4), PMKD (5) and backup pad (6) including going up and down, its characterized in that: backup pad (6) fixed mounting is in the upper end of PMKD (5), first feeding device (3) and second feeding device (4) fixed mounting are in the front end both sides of backup pad (6), just the structure specification homogeneous phase of first feeding device (3) and second feeding device (4), get material positioning mechanism (2) and install and keep away from one side of first feeding device (3) and second feeding device (4) in PMKD (5) and backup pad (6), it revolves the one end both sides upper portion of twisting device (1) symmetry fixed mounting keeping away from second feeding device (4) in backup pad (6) to go up and down.

2. The automatic screw adding device with a built-in machine tool according to claim 1, characterized in that: all install in first feeding device (3) and second feeding device (4) and carry frame (10), carry the upper end of frame (10) inside and seted up transport chute (11), the inside even sliding transport of transport chute (11) has screw (7), the upper end of carrying frame (10) has limiting plate (8) through regulation screw thread post (9) fixed mounting of symmetry installation.

3. The automatic screw adding device with a built-in machine tool as claimed in claim 2, wherein: carry frame (10) to be 35 slope settings, just carry frame (10) and backup pad (6) contact's one end to be lower one end, adjust the bottom screw thread of screw thread post (9) and peg graft in the inside of carrying frame (10), limiting plate (8) slip joint is in the upper end part of adjusting screw thread post (9).

4. The automatic screw adding device with a built-in machine tool according to claim 1 or 3, wherein: get material positioning mechanism (2) and include motor (12), drive gear (13), first automatic feeding (14) and second automatic feeding (15), drive gear (13) fixed connection is in the bottom of motor (12), first automatic feeding (14) and second automatic feeding (15) distribute in the both sides of drive gear (13), just first automatic feeding (14) and second automatic feeding (15) structural specification are the same.

5. The automatic screw adding device with a built-in machine tool as claimed in claim 4, wherein: all install in first automatic feeding (14) and second automatic feeding (15) running gear (20), the middle part fixed mounting of running gear (20) has drive post (16), the upper end fixed mounting of drive post (16) has rotation material taking disc (22), the front end that rotates material taking disc (22) runs through and has seted up slip spacing draw-in groove (21), the outside that rotates material taking disc (22) is rotated and is installed and rotate material conveying plate (17), the outside middle part fixed mounting that rotates material taking disc (22) has mounting bracket (18), the front end bottom fixed mounting of mounting bracket (18) has first reset spring (19).

6. The automatic screw adding device with a built-in machine tool as claimed in claim 5, wherein: a connecting plate (23) is fixedly installed in the middle of the outer side of the rotary material conveying plate (17), the bottom end of the first reset spring (19) is fixedly connected to the upper end of the connecting plate (23), a material taking clamping groove (27) penetrates through the middle of the front end of the rotary material conveying plate (17), second connecting plates (29) are symmetrically and fixedly installed on the outer side of the front end of the rotary material conveying plate (17), a rotary shaft (28) is rotatably inserted into one side of the front end of the rotary material conveying plate (17), rotary blocks (33) are fixedly installed on the rotary shaft (28), two rotary blocks (33) are arranged, the rotary blocks (33) are rotatably installed inside the front end of the rotary material conveying plate (17), clamping grooves (32) are symmetrically penetrated through the rotary blocks (33), and rotary connecting plates (31) are rotatably installed on the outer side of the rotary blocks (33) through the rotary shaft (28), and third reset springs (30) are symmetrically and uniformly installed between the outer end face of the rotating connecting plate (31) and the front end of the second connecting plate (29), a sliding partition baffle (26) is inserted in the inner portion of the clamping groove (32) in a sliding mode, second reset springs (25) are symmetrically and fixedly installed on the outer end face of the sliding partition baffle (26), one end, far away from the sliding partition baffle (26), of each second reset spring (25) is fixedly connected with a first connecting plate (24), one end of each first connecting plate (24) is fixedly connected with the side end face of the rotating material conveying plate (17), and the first connecting plate (24) and the second connecting plate (29) are arranged in an L shape.

7. The automatic screw adding device with a built-in machine tool as claimed in claim 6, wherein: the utility model discloses a support mounting bracket, including support mounting bracket (34), upper end fixed mounting who supports mounting bracket (34) has electronic hydraulic push rod (38), the bottom fixed mounting of electronic hydraulic push rod (38) has wrong motor (37), the bottom of revolving motor (37) is revolved wrong pole (36) through reduction gear fixedly connected with, the inboard middle part fixed mounting that supports mounting bracket (34) has limiting plate (35), just it rotates inside the front end of pegging graft at limiting plate (35) to revolve wrong pole (36).

8. The automatic screw adding device with a built-in machine tool as claimed in claim 7, wherein: the bottom and backup pad (6) fixed connection of support mounting bracket (34), motor (12) fixed mounting is on backup pad (6), drive gear (13) and running gear (20) all rotate and install on PMKD (5), just running gear (20) in first automatic feeding (14) and second automatic feeding (15) all are connected with drive gear (13) meshing, the inside slidable mounting of slip spacing draw-in groove (21) has spacing stand, and spacing stand fixed mounting is on backup pad (6).