CN210150254U

CN210150254U - Cylindrical bar material feeding and discharging mechanism

Info

Publication number: CN210150254U
Application number: CN201920667964.XU
Authority: CN
Inventors: 柳斌; 周公爽
Original assignee: Zhejiang Bora Automation Technology Co Ltd
Current assignee: Zhejiang Bora Automation Technology Co Ltd
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2020-03-17
Anticipated expiration: 2029-05-10

Abstract

The utility model discloses a feeding and discharging mechanism of cylinder bar, which comprises a bracket, the rotational stabilization structure, feeding clamping jaw mechanism and unloading clamping jaw mechanism, feeding clamping jaw mechanism, unloading clamping jaw mechanism all includes rotary mechanism and mechanical clamping jaw mechanism, rotary mechanism fixes the back at the panel of support, mechanical clamping jaw mechanism connects on rotary mechanism and locates the panel top of support, the rotational stabilization mechanism lower extreme is fixed on the panel of support, feeding clamping jaw mechanism, the upper end of unloading clamping jaw mechanism all is fixed in the upper end of rotational stabilization mechanism, feeding clamping jaw mechanism, the both sides of rotational stabilization mechanism are located to unloading clamping jaw mechanism. The utility model discloses move the convenience, adjust the convenience, easy and simple to handle, mechanical clamping jaw mechanism can satisfy the clamp of the material of multiple different specifications and get, realizes going up and down, rotatory, flexible triaxial action. The utility model discloses rotatory stable mechanism has not only solved the rotatory problem of rocking of mechanism, has also increased holistic stability and rigidity simultaneously.

Description

Cylindrical bar material feeding and discharging mechanism

Technical Field

The utility model relates to an go up unloading mechanism field, especially relate to a unloading mechanism on cylinder bar.

Background

With the automation level of a factory, the machining stability of a machine tool and the improvement of the quality requirements of parts by the market, the traditional manual loading and unloading can not meet the production requirements of the factory. For some high-power machine tools and equipment which can generate a large amount of heat energy after the machine tools are machined, great personal accidental injuries exist in manual loading and unloading. Meanwhile, the material taking and discharging can have certain deviation every time in manual feeding and discharging, namely the processing consistency is poor.

At present, the universal mechanical arm for feeding and discharging the material on the machine tool adopts a six-axis mechanical arm, and can realize overturning, moving and positioning of workpieces in a certain space range. The operation of loading and unloading different materials can be realized by adding the clamping jaw mechanism at the tail end of the robot. Although the robot can solve the problem of loading and unloading of workpieces, the robot also has a plurality of defects. Firstly, the robot is inconvenient to move after being fixed and needs to be taught again, professional personnel are needed for operation, general operators are difficult to debug, and production pause can be caused; secondly, one manipulator needs to simultaneously meet the requirements of feeding and discharging without improving the production efficiency, and the use of two manipulators can increase the field space and is high in price, so that the market requirements cannot be met; finally, although most six-axis manipulators can meet most machine tool loading and unloading, no pertinence exists, and efficiency is improved under all working conditions.

Disclosure of Invention

The utility model aims at prior art's defect, provide a can satisfy different specifications and go up unloading mechanism on cylinder bar of unloading simple operation.

In order to realize the above purpose, the utility model adopts the following technical scheme:

the utility model provides a unloading mechanism on cylinder bar, includes support, rotational stabilization structure, material loading clamping jaw mechanism and unloading clamping jaw mechanism, material loading clamping jaw mechanism, unloading clamping jaw mechanism all include rotary mechanism and mechanical clamping jaw mechanism, and rotary mechanism fixes the back at the panel of support, and mechanical clamping jaw mechanism connects on rotary mechanism and locates the panel top of support, and the rotational stabilization mechanism lower extreme is fixed on the panel of support, and the upper end of material loading clamping jaw mechanism, unloading clamping jaw mechanism all is fixed in the upper end of rotational stabilization mechanism, the both sides of rotational stabilization mechanism are located to material loading clamping jaw mechanism, unloading clamping jaw mechanism.

After the mechanical clamping jaw mechanism grabs the material, the mechanical clamping jaw mechanism moves to a material loading position under the action of the rotating mechanism, and returns to the grabbing position to grab the next material after the material is placed. After the machine tool finishes machining, the mechanical clamping jaw on the blanking side moves to the position where the material is machined under the action of the rotating mechanism on the blanking side, and the mechanical clamping jaw rotates to the blanking position after clamping to place the material. The mechanical clamping jaw mechanism can rotate for a certain angle under the action of the rotating mechanism, and feeding in-place control is realized.

Further, rotary mechanism includes bearing frame, the fixed pull rod of motor, first servo motor, rotation axis and speed reducer, and the back at the panel of support is fixed to the bearing frame, the fixed pull rod of motor is fixed in on the motor fixed plate of bearing frame both sides, the fixed pull rod of motor is equipped with the rotation fixed plate who is used for being connected with the support panel, the rotation axis is located on the bearing, first servo motor all is connected and locates motor fixed plate below through swivelling joint mechanism with the rotation axis with the speed reducer, first servo motor drive rotation axis is rotatory.

Furthermore, a first rolling bearing, an end face bearing and a bearing spacer bush are sequentially fixed between the inside of the bearing seat and the rotating shaft from top to bottom. The rotating shaft simultaneously passes through the first rolling bearing and the end face bearing. The end face bearing mainly bears axial force and provides a rotating pair. The rotating mechanism transmits torque to the rotating shaft through the first servo motor to achieve the purpose of transmission.

Furthermore, the rotary connecting mechanism comprises a first coupler, and the first servo motor and the speed reducer both pass through the first coupler with the rotating shaft.

Further, mechanical clamping jaw mechanism includes moving mechanism, clamping jaw frame, clamping jaw telescopic machanism, the clamping jaw frame is fixed in on the panel of support, moving mechanism is connected with the clamping jaw frame, moving mechanism passes through the strengthening rib and is connected with clamping jaw telescopic machanism, clamping jaw telescopic machanism front portion is connected with the clamping jaw, moving mechanism drives the clamping jaw and reciprocates, clamping jaw telescopic machanism drives the clamping jaw and stretches out and draws back.

Further, moving mechanism includes linear module, second servo motor, module slider connecting plate, second servo motor installs in mechanical clamp frame top, second servo motor passes through the second shaft coupling and is connected with linear module, linear module drives module slider connecting plate and reciprocates.

Further, the clamping jaw frame comprises a fixed bottom plate, a module mounting plate, a fixed top plate and a fixed pull rod, the fixed bottom plate is fixed on the panel of the support, the fixed top plate is fixed above the fixed bottom plate through the fixed pull rod, the module mounting plate is arranged between the fixed bottom plate and the fixed top plate, and the linear module of the moving mechanism is mounted on the module mounting plate.

Further, clamping jaw telescopic machanism is including what connect gradually getting material cylinder, revolving cylinder, it is connected with the strengthening rib to get the material cylinder mounting panel, it is equipped with and gets the material cylinder mounting panel to get material cylinder below, revolving cylinder is equipped with the revolving cylinder mounting panel, the clamping jaw includes that gas claw installs cab apron, gas claw fixed plate, gas claw cylinder and gets the material finger, the cab apron is connected with revolving cylinder to the gas claw installation, the both sides of cab apron are located to the gas claw fixed plate, the gas claw cylinder is installed and is crossed on the cab apron and fixed with the gas claw fixed plate to the gas claw installation, the gas claw cylinder with get the material finger and be connected.

Further, the rotation stabilizing mechanism comprises a rotation stabilizing top plate, a rotation stabilizing shaft mounting plate, a rotation stabilizing side plate and a rotation connecting mechanism, the rotation stabilizing side plate is fixed on the panel of the frame, the rotation stabilizing top plate is fixed with the rotation stabilizing top plate, the rotation stabilizing shaft mounting plate is fixed on two sides of the rotation stabilizing top plate, the rotation connecting mechanism is arranged on the front portion of the rotation stabilizing shaft mounting plate, and the rotation connecting mechanism is fixed on a fixed top plate of the mechanical clamping jaw mechanism. The stable rotating shaft mounting plate, the rotating stable top plate and the rotating stable side plate form a rigid body, the rotating shafts in the stable rotating shaft and the rotating mechanism are on the same axis, and the mechanical clamping jaw mechanism is assembled in the axis, so that the rotation cannot be shaken.

Further, the rotating connection mechanism comprises a second rolling bearing, a shaft end cover and a stable rotating shaft, the shaft end cover is arranged above the stable rotating shaft, and the second rolling bearing is arranged between the outer side of the middle of the shaft end cover and the stable rotating shaft mounting plate.

Adopt the utility model discloses technical scheme, the utility model discloses bright beneficial effect does: compared with the prior art, the utility model discloses move the convenience, adjust the convenience, easy and simple to handle, control turned angle that can be accurate in the motion, the rigidity that has not only strengthened the pivot structurally also can bear great axial force. The utility model discloses mechanical clamping jaw mechanism can satisfy the clamp of the material of multiple different specifications and get, realizes going up and down, and rotatory, flexible triaxial action to mechanical clamping jaw mechanism can constitute four-axis manipulator with rotary mechanism jointly. The utility model discloses rotatory stabilizing mean has not only solved power component unsettled at the one end other end, and the rotatory problem of rocking of this kind of mechanism has also increased holistic stability and rigidity simultaneously.

Drawings

Fig. 1 is a structural diagram of a feeding and discharging mechanism for cylindrical bars provided by the present invention;

fig. 2 is a structural diagram of a rotating mechanism of a feeding and discharging mechanism for cylindrical bars provided by the present invention;

fig. 3 is a structural diagram of a mechanical clamping jaw mechanism of a feeding and discharging mechanism for cylindrical bars provided by the utility model;

fig. 4 is a side view of the mechanical gripper mechanism of the feeding and discharging mechanism for cylindrical bars provided by the present invention;

fig. 5 is a structural diagram of a rotation stabilizing mechanism of a feeding and discharging mechanism for cylindrical bars provided by the utility model;

FIG. 6 is an enlarged view at I of FIG. 5;

fig. 7 is a schematic view of the working layout of the mechanical clamping jaw mechanism of the feeding and discharging mechanism for cylindrical bars.

Wherein, 1, a bracket, 2, a rotating mechanism, 3, a mechanical clamping jaw mechanism, 4, a rotation stabilizing mechanism, 5, a rotating shaft, 6, a rotation fixing plate, 7, a first coupler, 8, a motor fixing pull rod, 9, a motor fixing plate, 10, a speed reducer, 11, a first servo motor, 12, an end face bearing, 13, a first rolling bearing, 14, a bearing seat, 15, a bearing spacer, 16, a fixing bottom plate, 17, a module mounting plate, 18, a fixing top plate, 19, a fixing pull rod, 20, a linear module, 21, a module sliding block connecting plate, 22, a material taking cylinder mounting plate, 23, a reinforcing rib, 24, a material taking cylinder, 25, a rotary cylinder mounting plate, 26, a rotary cylinder, 27, a gas claw mounting transition plate, 28, a gas claw fixing plate, 29, a gas claw cylinder, 30, a material taking finger, 31, a second coupler, 32, a second servo motor, 33 and a rotation stabilizing top plate, 34. the device comprises a stable rotating shaft mounting plate 35, a rotating stable side plate 36, a second rolling bearing 37, a shaft end cover 38, a stable rotating shaft 39, a welding machine tool 40, a material 41, a material platform 42 and a blanking frame.

Detailed Description

The specific embodiments of the present invention will be further explained with reference to the accompanying drawings.

The utility model discloses the mechanism can realize work piece automatic feeding and unloading and go up unloading and part each other but link together. The design can meet the requirement that the workpiece rotates by 90 degrees to realize two different states of the workpiece, namely horizontal state and vertical state. As an integral module, the device is convenient to move and debug, and a common operator can adjust the position. The manual work is replaced, the mechanization is realized, the consistency of all workpieces can be ensured during welding, and the high temperature of the surfaces of the workpieces cannot damage the manual work.

As shown in fig. 1, a cylindrical bar material feeding and discharging mechanism comprises a support 1, a rotary stabilizing structure, a feeding clamping jaw mechanism and a discharging clamping jaw mechanism, wherein the feeding clamping jaw mechanism and the discharging clamping jaw mechanism all comprise a rotary mechanism 2 and a mechanical clamping jaw mechanism 3, the rotary mechanism 2 is fixed on the back of a panel of the support 1, the mechanical clamping jaw mechanism 3 is connected on the rotary mechanism 2 and is arranged above the panel of the support 2, the lower end of the rotary stabilizing mechanism 4 is fixed on the panel of the support 1, the upper ends of the feeding clamping jaw mechanism and the discharging clamping jaw mechanism are fixed at the upper end of the rotary stabilizing mechanism 4, and the two sides of the rotary stabilizing mechanism 4 are arranged on the feeding clamping jaw mechanism and the discharging clamping jaw mechanism.

As shown in fig. 2, the rotating mechanism 2 includes a bearing seat 14, a motor fixing pull rod 8, a first servo motor 11, a rotating shaft 5 and a speed reducer 10, the bearing seat 14 is fixed on the back of the panel of the bracket 1, the motor fixing pull rod 8 is fixed on the motor fixing plates 9 on both sides of the bearing seat 14, the motor fixing pull rod 8 is provided with a rotating fixing plate 6 for being connected with the panel of the bracket 1, the rotating shaft 5 is arranged on the bearing seat 14, the first servo motor 11 and the speed reducer 10 are both connected with the rotating shaft 5 through a rotating connection mechanism and are arranged below the motor fixing plate 9, and the first servo motor 11 drives the rotating shaft 5 to rotate.

A first rolling bearing 13, an end face bearing 12 and a bearing spacer 15 are sequentially fixed between the bearing seat 14 and the rotating shaft 5 from top to bottom. The rotary shaft 5 passes through both the first rolling bearing 13 and the end face bearing 12. The face bearing 12 is mainly subjected to axial forces and the first rolling bearing 13 provides a revolute pair. The rotary mechanism 2 is driven by the first servo motor 11 to transmit torque to the rotary shaft 5.

The rotary connecting mechanism comprises a first coupler 7, and the first servo motor 11 and the speed reducer 10 are connected with the rotating shaft 5 through the first coupler 7.

As shown in fig. 3 and 4, the mechanical clamping jaw mechanism 3 comprises a moving mechanism, a clamping jaw rack, a clamping jaw and a clamping jaw telescopic mechanism, the clamping jaw rack is fixed on the panel of the bracket 1, the moving mechanism is connected with the clamping jaw rack, the moving mechanism is connected with the clamping jaw telescopic mechanism through a reinforcing rib 23, the front part of the clamping jaw telescopic mechanism is connected with a clamping jaw, the moving mechanism drives the clamping jaw to move up and down, and the clamping jaw telescopic mechanism drives the clamping jaw to stretch.

The moving mechanism comprises a linear module 20, a second servo motor 32 and a module sliding block connecting plate 21, the second servo motor 32 is installed above the mechanical clamp rack, the second servo motor 32 is connected with the linear module 20 through a second coupler 31, and the linear module 20 drives the module sliding block connecting plate 21 to move up and down.

The clamping jaw frame comprises a fixed bottom plate 16, a module mounting plate 17, a fixed top plate 18 and a fixed pull rod 19, wherein the fixed bottom plate 16 is fixed on a panel of the support 1, the fixed top plate 18 is fixed above the fixed bottom plate 16 through the fixed pull rod 19, the module mounting plate 17 is arranged between the fixed bottom plate 16 and the fixed top plate 18, and a linear module of the moving mechanism is mounted on the module mounting plate 17.

Clamping jaw telescopic machanism is including the material cylinder 24, the revolving cylinder 26 of getting that connect gradually, it is connected with strengthening rib 23 to get material cylinder mounting panel 22, it is equipped with and gets material cylinder mounting panel 22 to get material cylinder 24 below, revolving cylinder 26 is equipped with revolving cylinder mounting panel 25, the clamping jaw includes that the air claw installation crosses cab apron 27, air claw fixed plate 28, air claw cylinder 29 and gets material finger 30, the air claw installation crosses cab apron 27 and is connected with revolving cylinder 26, the both sides of cab apron 27 are located in the air claw installation to air claw fixed plate 28, air claw cylinder 29 is installed and is crossed on cab apron 27 and fixed with air claw fixed plate 28 in the air claw installation, air claw cylinder 29 with get material finger 30 and be connected.

As shown in fig. 5 and 6, the rotation stabilizing mechanism 4 includes a rotation stabilizing top plate 33, a rotation stabilizing shaft mounting plate 34, a rotation stabilizing side plate 35 and a rotation connecting mechanism, the rotation stabilizing side plate 35 is fixed on the panel of the frame, the rotation stabilizing top plate 33 is fixed above the rotation stabilizing side plate 35, the rotation stabilizing shaft mounting plate 34 is fixed on two sides of the top of the rotation stabilizing top plate 33, the rotation connecting mechanism is installed on the front portion of the rotation stabilizing shaft mounting plate 34, and the rotation connecting mechanism is fixed on the fixed top plate 18 of the mechanical clamping jaw mechanism 3. The rotational stabilizing mechanism 4 is fixed on the panel of the bracket 1, and the two mechanisms form a C-shaped framework together. The two stable rotation axis mounting plates 34, the rotation stable top plate 33 and the 2 rotation stable side plates 35 constitute a rigid body. Two stabilizing shafts 38 and a second rolling bearing 36 are fixed on the rigid body and distributed symmetrically. The stationary spindle 38 and the rotary shaft 5 in the rotary mechanism 2 are on the same axis in which the mechanical gripper mechanism 3 is fitted, so that the rotation does not wobble.

The rotating connection mechanism comprises a second rolling bearing 36, a shaft end cover 37 and a stable rotating shaft 38, the shaft end cover 37 is arranged above the stable rotating shaft 38, and the second rolling bearing 36 is arranged between the outer side of the middle of the shaft end cover 37 and the stable rotating shaft mounting plate 34.

As shown in fig. 7, 39 is a welding machine, 40 is a material, 41 is a material platform, and 42 is a blanking frame. During operation, the mechanical clamping jaw mechanism 3 of the feeding clamping jaw mechanism grabs the material and moves to a feeding position under the action of the rotating mechanism 2, and the material is placed and then returns to the grabbing position to grab the next material. After the machine tool finishes machining, a mechanical clamping jaw 3 of the blanking clamping jaw mechanism on the blanking side moves to the position of the machined material under the action of the rotating mechanism 2 on the blanking side, and the clamped material rotates to the blanking position to place the material. The mechanical clamping jaw mechanism 3 can rotate for a certain angle under the action of the rotating mechanism 2, and the feeding in-place control is realized.

Specifically, a cylinder rod of a material taking cylinder 24 in the mechanical clamping jaw mechanism extends out to drive a rotary cylinder 26, a rotary cylinder mounting plate 25, a gas claw mounting transition plate 27, a gas claw fixing plate 28, a gas claw cylinder 29 and a material taking finger 30 to move forwards for a certain distance to reach a material taking position. The material taking fingers 30 perform material clamping work under the action of the air claw air cylinder 29. The linear module 20 then drives the module slider connecting plate 21 to move upward by a certain distance under the control of the second servo motor 32. Because get material cylinder mounting panel 22 and strengthening rib 23 and fix on module slider connecting plate 21, get material cylinder 24 and install on getting material cylinder mounting panel 22, consequently the thing material of getting also can rise certain displacement.

The gas claw cylinder 29 is fixed on the rotary cylinder 26 through the gas claw mounting transition plate 27 and the gas claw fixing plate 28, so that the rotation of the material at a certain angle can be realized. The mechanical clamping jaw mechanism 3 can rotate for a certain angle under the action of the rotating mechanism 2, and the feeding in-place control is realized. Then the linear module 20 moves up and down to a required position, the air claw cylinder 29 releases the materials, the material taking cylinder 24 retracts, and the rotating mechanism 2 drives the mechanical clamping jaw 3 mechanism to rotate back to an initial position.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a unloading mechanism on cylinder bar, its characterized in that, includes support, rotational stabilization structure, material loading clamping jaw mechanism and unloading clamping jaw mechanism, material loading clamping jaw mechanism, unloading clamping jaw mechanism all include rotary mechanism and mechanical clamping jaw mechanism, and rotary mechanism fixes the back at the panel of support, and mechanical clamping jaw mechanism connects on rotary mechanism and locates the panel top of support, and the rotational stabilization mechanism lower extreme is fixed on the panel of support, and the upper end of material loading clamping jaw mechanism, unloading clamping jaw mechanism all is fixed in the upper end of rotational stabilization mechanism, the both sides of rotational stabilization mechanism are located to material loading clamping jaw mechanism, unloading clamping jaw mechanism.

2. The feeding and discharging mechanism for cylindrical bars as claimed in claim 1, wherein the rotating mechanism includes a bearing seat, a motor fixing pull rod, a first servo motor, a rotating shaft and a speed reducer, the bearing seat is fixed on the back of the panel of the support, the motor fixing pull rod is fixed on the motor fixing plate on both sides of the bearing seat, the motor fixing pull rod is provided with a rotating fixing plate for connecting with the panel of the support, the rotating shaft is arranged on the bearing, the first servo motor and the speed reducer are both connected with the rotating shaft through a rotating connecting mechanism and arranged below the motor fixing plate, and the first servo motor drives the rotating shaft to rotate.

3. The cylindrical bar loading and unloading mechanism of claim 2, wherein a first rolling bearing, an end face bearing and a bearing spacer are sequentially fixed between the bearing seat and the rotating shaft from top to bottom.

4. The feeding and discharging mechanism for cylindrical bars as claimed in claim 2, wherein the rotary connection mechanism comprises a first coupling, and the first servo motor and the speed reducer are both connected with the rotary shaft through the first coupling.

5. The feeding and discharging mechanism for cylindrical bars as claimed in claim 1, wherein the mechanical gripper mechanism comprises a moving mechanism, a gripper frame, a gripper, and a gripper telescoping mechanism, the gripper frame is fixed on the panel of the support, the moving mechanism is connected with the gripper frame, the moving mechanism is connected with the gripper telescoping mechanism through a reinforcing rib, the front part of the gripper telescoping mechanism is connected with the gripper, the moving mechanism drives the gripper to move up and down, and the gripper telescoping mechanism drives the gripper to telescope.

6. The feeding and discharging mechanism for cylindrical bars as claimed in claim 5, wherein said moving mechanism comprises a linear die set, a second servo motor, a die set slide connecting plate, said second servo motor is installed above the mechanical clamping frame, said second servo motor is connected with the linear die set through a second coupling, said linear die set drives the die set slide connecting plate to move up and down.

7. The cylindrical bar loading and unloading mechanism of claim 5, wherein the gripper frame comprises a fixed bottom plate, a module mounting plate, a fixed top plate and a fixed pull rod, the fixed bottom plate is fixed on the panel of the support, the fixed top plate is fixed above the fixed bottom plate through the fixed pull rod, the module mounting plate is arranged between the fixed bottom plate and the fixed top plate, and the linear module of the moving mechanism is arranged on the module mounting plate.

8. The cylindrical bar loading and unloading mechanism according to claim 5, wherein the clamping jaw telescoping mechanism comprises a material taking cylinder and a rotary cylinder which are connected in sequence, the material taking cylinder mounting plate is connected with the reinforcing rib, the material taking cylinder mounting plate is arranged below the material taking cylinder, the rotary cylinder is provided with the rotary cylinder mounting plate, the clamping jaw comprises a gas jaw mounting transition plate, a gas jaw fixing plate, a gas jaw cylinder and a material taking finger, the gas jaw mounting transition plate is connected with the rotary cylinder, the gas jaw fixing plate is arranged on two sides of the gas jaw mounting transition plate, the gas jaw cylinder is mounted on the gas jaw mounting transition plate and fixed with the gas jaw fixing plate, and the gas jaw cylinder is connected with the material taking finger.

9. The feeding and discharging mechanism for cylindrical bars as claimed in claim 1, wherein said rotation stabilizing mechanism comprises a rotation stabilizing top plate, a stabilizing rotation shaft mounting plate, a rotation stabilizing side plate and a rotation connecting mechanism, said rotation stabilizing side plate is fixed on the panel of the frame, said rotation stabilizing top plate is fixed above said rotation stabilizing side plate, two said stabilizing rotation shaft mounting plates are fixed on two sides above the rotation stabilizing top plate, said rotation connecting mechanism is mounted on the front portion of said stabilizing rotation shaft mounting plate, said rotation connecting mechanism is fixed on the fixed top plate of the mechanical clamping jaw mechanism.

10. The feeding and discharging mechanism for cylindrical bars as claimed in claim 9, wherein the rotary connection mechanism comprises a second rolling bearing, a shaft end cover and a stable rotating shaft, the shaft end cover is arranged above the stable rotating shaft, and the second rolling bearing is arranged between the outer side of the middle part of the shaft end cover and the mounting plate of the stable rotating shaft.