CN210878886U - Revolving body workpiece carrying mechanism and revolving body workpiece production line - Google Patents

Abstract

The utility model provides a solid of revolution work piece transport mechanism and solid of revolution work piece production line, solid of revolution work piece transport mechanism includes clamping unit and indexing unit, and clamping unit can press from both sides tight electric motor rotor or other solid of revolution work pieces, and indexing unit can rely on the dividing hook to make the work piece rotate along its self axial after clamping unit presss from both sides tight work piece, accomplishes the circumference location of work piece, has solved the problem that can't realize circumference location in the middle of the current electric motor rotor grabbing equipment; the utility model provides a solid of revolution work piece production line, it includes smart car machine, balancing machine, detector, lower charging tray and above-mentioned solid of revolution work piece transport mechanism, utilizes solid of revolution work piece transport mechanism to accomplish the work piece transport between a plurality of equipment automatically, replaces current artifical transport mode, has promoted the stability of quality of machining efficiency and product, has reduced the defective rate.

Description

Revolving body workpiece carrying mechanism and revolving body workpiece production line

Technical Field

The utility model relates to a solid of revolution work piece production facility field especially relates to a solid of revolution work piece transport mechanism and solid of revolution work piece production line.

Background

In order to adapt to large-scale mechanical production, various processing production lines are designed in various fields according to the processing requirements of the processing lines. In the existing processing production line, due to the difference of structures and sizes among various machines, workpieces of machine parts are generally conveyed manually, but manual conveying has high requirements on experience of operators, and the machines are various in types, so that the situations of wrong processing, missing processing and the like are easy to occur; secondly, the manual handling speed is slower, and the production efficiency of the production line is seriously influenced.

Three simple manual operation equipment behind the motor rotor are respectively a car refiner, a balancing machine and a detector, and each equipment is operated by one operator, however, the loss of the operators causes the unstable quality of the produced products and the great improvement of the labor cost causes the reduction of profits. At present, a technology capable of replacing three simple manual operation devices behind a rotor by people is not available.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a revolving body workpiece conveying mechanism and a revolving body workpiece production line for solving the problems of unstable quality and low efficiency in the current motor rotor production.

The above purpose is realized by the following technical scheme:

a rotary body workpiece carrying mechanism comprising: the clamping unit comprises a first clamping jaw and a clamping cylinder, the indexing unit comprises an indexing hook and an indexing cylinder, the first clamping jaw is arranged at the end part of the mounting base, and the first clamping jaw can grab and clamp the revolving body workpiece under the driving of the clamping cylinder; the indexing hook extends into the first clamping jaw and can stir the revolving body workpiece to rotate under the action of the indexing cylinder.

In one embodiment, the first clamping jaw comprises two clamping arms, each clamping arm is provided with a clamping surface, each clamping surface is an arc surface, and the two clamping surfaces form a clamping surface for clamping the revolving body workpiece.

In one embodiment, the end of the clamping arm provided with the indexing hook is provided with a slot, the indexing hook is rotatably arranged in the slot, the rotating joint of the indexing hook is positioned on the side wall of the slot, the indexing hook comprises a first end and a second end which are positioned at two sides of the rotating joint, the first end extends into the first clamping jaw, and the second end is positioned outside the first clamping jaw.

In one embodiment, the indexing cylinder is arranged on the side surface of the first clamping jaw, and a push rod is connected to the indexing cylinder and driven by the indexing cylinder to push the second end of the indexing hook.

In one embodiment, the clamping cylinder is disposed between the mounting base and the first clamping jaw.

In one embodiment, the clamping unit further comprises two second clamping jaws, and the two clamping cylinders respectively drive the first clamping jaw and the second clamping jaw; the first clamping jaw and the second clamping jaw are arranged at two ends of the mounting base.

In one embodiment, the second clamping jaws are respectively provided with another indexing unit, the another indexing unit comprises another indexing hook and another indexing cylinder, the first clamping jaw can grab and clamp a revolving body workpiece under the driving of the clamping cylinder, and the another indexing hook extends into the second clamping jaw and can stir the revolving body workpiece to rotate under the action of the another indexing cylinder.

The utility model also provides a revolving body workpiece production line, the revolving body workpiece comprises a motor rotor, the revolving body workpiece handling mechanism in any one of the above embodiments, a finishing machine, a balancing machine, a detector and a blanking disc, and the four parts are arranged around the revolving body workpiece handling mechanism; and the revolving body workpiece carrying mechanism is used for carrying workpieces among the car polisher, the balancing machine, the detector and the blanking disc.

In one embodiment, the revolving body workpiece carrying mechanism is arranged on a movable base, a part warehouse is arranged on the movable base, and clamping jaws with various sizes are placed in the part warehouse.

In one embodiment, the precision lathe comprises a revolving body workpiece conveying line and a positioning cylinder, wherein the revolving body workpiece conveying line is used for conveying a machined revolving body workpiece to a position to be conveyed, and the positioning cylinder is arranged at the position to be conveyed and is positioned at one side of the revolving body workpiece conveying line; the positioning cylinder can push the revolving body workpieces, so that the revolving body workpieces are located at the same position to be conveyed.

The utility model has the advantages that:

the utility model provides a solid of revolution work piece transport mechanism, it is including pressing from both sides tight unit and indexing unit, and tight unit of clamp can press from both sides tight electric motor rotor or other cylindrical solid of revolution work pieces, and indexing unit can rely on the dividing hook to make the work piece rotate along its self axial after pressing from both sides tight unit clamp work piece, accomplishes the circumference location of work piece, has solved current electric motor rotor and has snatched the problem that can't realize circumference location in the middle of the equipment. The utility model also provides a solid of revolution work piece production line, it includes smart car machine, balancing machine, detector, lower charging tray and above-mentioned solid of revolution work piece transport mechanism, utilizes solid of revolution work piece transport mechanism to accomplish the work piece transport between a plurality of equipment automatically, replaces current artifical transport mode, has promoted machining efficiency, has reduced the defective rate.

Drawings

Fig. 1 is a perspective view of a revolving body workpiece handling mechanism, a mechanical arm, and a base according to an embodiment of the present invention;

fig. 2 is a perspective view of a revolving body workpiece carrying mechanism according to an embodiment of the present invention;

fig. 3 is a partial cross-sectional view of a revolving body workpiece carrying mechanism according to an embodiment of the present invention;

fig. 4 is a perspective view of a clamping unit and an indexing unit in the revolving body workpiece carrying mechanism according to an embodiment of the present invention;

fig. 5 is a schematic layout view of a revolving body workpiece production line according to an embodiment of the present invention;

fig. 6 is a partial enlarged view of a position to be transported of a finish turning machine in a revolving body workpiece production line according to an embodiment of the present invention.

Wherein:

a revolving body workpiece carrying mechanism 1000; a mounting base 100; mounting holes 110; a clamping unit 200; a first clamping jaw 210; a clamping surface 211; a slot 212; a second jaw 220; a clamping cylinder 230; an index unit 300; an index hook 310; a first end 311; a second end 312; an index cylinder 320; a push rod 321; a revolving body workpiece production line 400; a finishing machine 410; a positioning cylinder 411; a rotary body workpiece transfer line 412; a balancing machine 420; a detector 430; a blanking machine 440; a revolving body workpiece 800; a robotic arm 900;

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail by the following embodiments in combination with the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The numbering of the components themselves, such as "first", "second", etc., is used herein only to distinguish between the objects depicted and not to have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The utility model provides a solid of revolution work piece handling mechanism 1000, as shown in fig. 1 to 3, it includes: the mounting base 100, the clamping unit 200 and the indexing unit 300, the clamping unit 200 comprises a first clamping jaw 210 and a clamping cylinder 230, and the indexing unit 300 comprises an indexing hook 310 and an indexing cylinder 320; the first clamping jaw 210 is arranged at the end part of the mounting base 100, and the first clamping jaw 210 can grab and clamp the revolving body workpiece 800 under the driving of the clamping cylinder 230; the indexing hook 310 extends into the first clamping jaw 210 and can poke the revolving body workpiece 800 under the action of the indexing cylinder 320. The revolving body workpiece 800 is different from other workpieces, and has a certain requirement on the position, and meanwhile, as the revolving body workpiece 800 is a revolving formed part, for some processing equipment, the revolving body workpiece 800 also has a certain positioning requirement on the circumferential direction of the revolving body workpiece, and the existing general manipulator can not adjust the circumferential position of the rotor after grabbing the revolving body workpiece 800. The utility model discloses a set up clamping unit 200 and indexing unit 300, clamping unit 200 is used for pressing from both sides tight solid of revolution work piece 800, when pressing from both sides tightly, utilizes indexing mechanism adjustment solid of revolution work piece 800's circumference position, accomplishes solid of revolution work piece 800's circumference location. The rotary workpiece 800 includes a rotary body such as a motor rotor, and the motor rotor is exemplified below for the sake of understanding.

Specifically, as shown in fig. 1, 2 and 3, the mounting base 100 is provided with a mounting hole 110, the mounting hole 110 is used for connecting a mechanical arm 900, and the mechanical arm 900 is used for driving the entire revolving body workpiece conveying mechanism 1000 to move and rotate in any direction; the clamping unit 200 comprises a first clamping jaw 210 and a clamping cylinder 230, wherein the first clamping jaw 210 comprises two clamping arms, one ends of the two clamping arms are provided with clamping surfaces 211 which are attached to the surface shape of the motor rotor, the clamping cylinder 230 drives the first clamping jaw 210 to act, so that the two clamping arms are close to each other, and the two clamping surfaces 211 clamp the circumferential surface of the motor rotor to complete the clamping of the motor rotor. After clamping, one end of the indexing hook 310 extends into a groove on the surface of the motor rotor, the indexing cylinder 320 drives the indexing hook 310 to move, the driving force of the indexing cylinder 320 is larger than the clamping force of the clamping cylinder 230, and the indexing hook 310 stirs the motor rotor to move circumferentially to complete circumferential positioning. It should be understood that the clamping cylinder 230 and the indexing cylinder 320 as the driving members are only one driving method that can be implemented, and other common driving methods, such as hydraulic driving and motor driving, can be applied to the present invention.

Preferably, as shown in fig. 2 and 3, the clamping surfaces 211 of the first clamping jaw 210 together form a segmental clamping surface, and in the case of a cylindrical workpiece, a part of the clamping surface 211 contacts with the lower semicircular part of the workpiece to form an upward or obliquely upward support, and the part is used for providing upward supporting force for the motor rotor to support the motor rotor. The purpose of so designing clamping surface 211 is in order to prevent the electric motor rotor from breaking away after the centre gripping, even when clamping force is not enough to overcome electric motor rotor or external force effect, because the clamping face has formed a structure similar to half-surround, can lift electric motor rotor, prevents it and drops.

Preferably, as shown in fig. 2 to 4, a slot 212 is provided on the clamping arm near the indexing cylinder 320, the slot 212 penetrates through the clamping arm in the horizontal direction shown in fig. 3, so that the clamping arm penetrates from the left side to the right side, the indexing hook 310 is rotatably provided on the slot 212, the rotary joint of the indexing hook 310 is located on the sidewall of the slot 212, the indexing hook 310 has a first end 311 and a second end 312 located on both sides of the rotary joint, the first end 311 extends into the first clamping jaw 210, and the second end 312 is located outside the first clamping jaw 210. The slot 212 is disposed on one of the clamping arms of the first clamping jaw 210, and forms a structure similar to a "concave" structure, or a square through hole structure, the rotational connection position of the dividing hook 310 and the first clamping jaw 210 is located on the side wall inside the slot 212, so that the first end 311 of the dividing hook 310 is located inside the first clamping jaw 210, and the second end 312 is located outside the first clamping jaw 210, when the dividing cylinder 320 drives the second end 312 located outside the first clamping jaw 210 to move downward, the entire dividing hook 310 is driven to rotate clockwise around the rotational connection position, and the first end 311 of the dividing hook 310 is driven to move upward and stir the motor rotor. The indexing hook 310 is arranged in such a way that the space can be effectively saved and the structure can be simplified.

Preferably, as shown in fig. 2 and 3, an indexing cylinder 320 is disposed at a side surface of the first clamping jaw 210, a push rod 321 is connected to the indexing cylinder 320, and the indexing cylinder 320 pushes the push rod and pushes the second end 312 of the indexing hook 310. So set up indexing cylinder 320 and can make solid of revolution work piece handling mechanism 1000 compact structure, other some indexing cylinder 320's the mode of setting, if set up in the lower side of mounting base 100 when first clamping jaw 210, set up indexing cylinder 320 in the last side of mounting base 100, drive mechanism drives through chain, connecting rod etc. and drives dividing hook 310, also can be applied to the utility model discloses.

Preferably, as shown in fig. 2, the clamping cylinder 230 is disposed between the mounting base 100 and the first clamping jaw 210, which can effectively save space and simplify the structure.

Preferably, as shown in fig. 2, the clamping unit 200 further includes two second clamping jaws 220, and the two clamping cylinders 230 respectively drive the first clamping jaw 210 and the second clamping jaw 220; the first jaw 210 and the second jaw 220 are disposed at both ends of the mounting base 100. For the revolving body workpiece carrying mechanism 1000 provided with only the first clamping jaw 210, the first, second and third stations are used as examples, and the motor rotors are placed on the first to third stations. In the automatic production, the first clamping jaw 210 first grabs the workpiece at the third station to the blanking position, then is vacant and moves to the second station, grabs the workpiece at the second station, moves to the third station and puts down; the first clamping jaw 210 is moved to the first station again in an empty state, and a workpiece on the first station is grabbed, moved to the second station and put down; the first clamping jaw 210 is moved to the feeding position again in an empty state, and the workpiece at the feeding position is grabbed, moved to the first station and put down, so that one action cycle is completed. Wherein the idle stroke is more and the efficiency is low.

For the revolving body workpiece handling mechanism 1000 provided with the first clamping jaw 210 and the second clamping jaw 220, the first station, the second station and the third station are also exemplified, in the automatic production, the first clamping jaw 210 and the second clamping jaw 220 are vacant and positioned at the feeding position, the first clamping jaw 210 grabs the workpiece from the feeding position, the revolving body workpiece handling mechanism 1000 integrally moves to the first station, the second clamping jaw 220 grabs the part at the first station, then the first clamping jaw 210 places the workpiece at the first station, at this time, the first clamping jaw 210 is vacant, the workpiece is grabbed on the second clamping jaw 220, the workpiece handling mechanism 1000 moves from the first station to the second station, the first clamping jaw 210 grabs the workpiece from the second station, the second clamping jaw 220 places the workpiece grabbed from the first station into the second station, the revolving body workpiece handling mechanism 1000 integrally moves to the third station, the first clamping jaw 210 places the workpiece at the third station, the second clamping jaw 220 grabs the workpiece from the third station and places the workpiece to a blanking position; it can be seen that, in the first clamping jaw 210 and the second clamping jaw 220, one of the first clamping jaw and the second clamping jaw is responsible for transporting the workpiece from the previous station to the previous station, and the other one of the first clamping jaw and the second clamping jaw is responsible for transporting the workpiece from the previous station to the next station. The mounting base 100 is rotatably coupled to the robot arm 900 through the mounting hole 110, and the first and second jaws 220 are exchanged by rotating the mounting base 100 around the robot arm 900.

Preferably, the second jaw is also provided with an indexing unit, which has a structure and action similar to the first jaw and the indexing unit 300 thereon, and will not be described herein again. The first clamping jaw and the second clamping jaw can be provided with the indexing units, or the indexing units can be arranged on only one of the first clamping jaw and the second clamping jaw, the clamping jaw with the indexing units is used for completing a conveying process requiring circumferential positioning, the clamping jaw without the indexing units is used for completing a conveying process not requiring circumferential positioning, the structure is simplified, and the cost is reduced.

The utility model also provides a solid of revolution work piece production line 400, as shown in fig. 5 and 6, its back-end processing in the middle of the whole electric motor rotor production process of mainly used. The revolving body workpiece production line 400 includes a finishing machine 410, a balancing machine 420, a detecting instrument 430, a blanking machine 440, and the revolving body workpiece conveying mechanism 1000: the finishing machine 410 is used for finishing the circumferential surface of the motor rotor; the balancing machine 420 is used for detecting the dynamic balance performance of the motor rotor and can automatically cut the position of the motor rotor, which causes unbalance; the detector 430 can detect the electrical and mechanical properties of the rotor and determine that the motor rotor is good or defective; the blanking machine 440 can place the detected motor rotors in a certain sequence, so that the motor rotors are convenient to carry; the revolving body workpiece conveying mechanism 1000 can convey workpieces among the finish turning machine 410, the balancing machine 420, the detector 430 and the blanking machine 440, and the revolving body workpiece conveying mechanism 1000 is arranged on a fixed base or a movable base, and generally, the conveying sequence is the finish turning machine 410, the balancing machine 420, the detector 430 and the blanking machine 440. The revolving body workpiece carrying mechanism 1000 is used for replacing manual work in the prior art to carry workpieces among multiple devices, so that the efficiency is improved, and the reject ratio is reduced. It should be noted that the revolving body workpiece production line 400 can include a plurality of devices, and the production line including four processing devices is only one possible implementation way, and the purpose of the production line is mainly to realize automatic operation for the subsequent process of the motor rotor; if other operation requirements exist, equipment can be added or reduced to the production line.

Preferably, as shown in fig. 5, in order to better adapt to the motion characteristics of the robot arm 900 in the revolving workpiece handling mechanism 1000, the finishing machine 410, the balancing machine 420, the detecting machine 430, the blanking machine 440, and other instruments are arranged in a fan shape around the revolving workpiece handling mechanism 1000. Since the robot arm 900 generally moves by means of a plurality of revolute pairs, the maximum movement range is circular or fan-shaped, and various devices may be arranged in a fan-shape in order to adapt to the movement characteristics of the robot arm 900. Of course, since the revolving body workpiece carrying mechanism 1000 is disposed on the movable platform, various devices can be disposed in common arrangement forms such as a straight line and a U shape, and the movable platform drives the revolving body workpiece carrying mechanism 1000 to carry workpieces among the multiple devices.

Preferably, a part library is arranged on the movable base or the fixed base, and clamping jaws with various sizes are arranged in the part library so as to adapt to different types of motor rotors or other cylindrical workpieces. Correspondingly, the clamping jaw can be replaced manually, or an exchange device similar to a tool changing mechanism of a CNC (computer Numerical Control) tool magazine is additionally arranged on the mechanical arm, so that the clamping jaw can be replaced automatically, and the machining efficiency is improved.

Preferably, as shown in fig. 5 and 6, the finish turning machine 410 includes a motor rotor conveying line 412 and a positioning cylinder 411, the motor rotor conveying line 412 is used for conveying the turned motor rotor to the position to be conveyed, and the positioning cylinder 411 is arranged at the position to be conveyed and is located at one side of the motor rotor conveying line 412; the positioning cylinder 411 can push the motor rotors so that the motor rotors are located at the same position to be transported. Specifically, the electric motor rotor conveying line 412 is two parallel transmission chains, and grooves for mounting shaft portions at two ends of the electric motor rotor are oppositely arranged on the two chains to place the electric motor rotor. After the motor rotor is processed on the finish turning machine 410, the motor rotor is moved from the processing position to the belt carrying position by a motor rotor conveying line 412; since the two grooves correspond to two V-shaped blocks, they radially position the motor rotor, but axial play of the motor rotor can occur. In order to ensure that a plurality of motor rotors are all located at the same position at the position to be conveyed, a positioning cylinder 411 is additionally arranged at the tail end of the finish turning machine 410, and after the motor rotors move in place, the positioning cylinder 411 acts to push the motor rotors to a uniform position so as to complete accurate positioning.

The first embodiment is as follows:

as shown in fig. 1 to 3, the revolving body workpiece transfer mechanism 1000 is provided on one multi-axis robot 900, and the robot 900 is provided on one fixed base. The mounting base 100 in the revolving body workpiece carrying mechanism 1000 is a rectangular mounting plate, two ends of which along the length direction are respectively provided with two clamping cylinders 230, and the two clamping cylinders 230 respectively drive the first clamping jaw 210 and the second clamping jaw 220. The first clamping jaw 210 and the second clamping jaw 220 both comprise two clamping arms, the tail end of each clamping arm is provided with a clamping surface 211, and when the clamping arms are close to each other, the two clamping surfaces 211 form a clamping surface for clamping the motor rotor; the clamping surfaces used for clamping the motor rotor can lift the motor rotor from bottom to top, and the motor rotor can be prevented from falling under the lifting action of the lower portion of the clamping surfaces even if the clamping force is insufficient after the motor rotor is clamped. The outer clamping arm is provided with a groove 212, the groove 212 is a square through hole, a rotatable dividing hook 310 is arranged in the groove 212, a rotating mechanism of the dividing hook 310 is arranged on the side surface of the groove 212, a hook part of the dividing hook 310 is a first end 311, extends into a cylindrical clamping space formed by the clamping surface and can extend into an outer groove of the motor rotor to hook the motor rotor, and a second end 312, far away from the hook part, of the dividing hook 310 extends outwards. An indexing cylinder 320 is arranged outside the first clamping jaw 210, and the indexing cylinder 320 is fixedly connected with the clamping arm and can maintain the position relation between the indexing hook 310 and the clamping arm. The output shaft of the indexing cylinder 320 is connected with a push rod 321, and the push rod 321 can be driven by the cylinder to push the second end 312 of the indexing hook 310 so as to drive the first end 311 of the indexing hook 310.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A solid of revolution work piece transport mechanism characterized by comprising: the clamping unit comprises a first clamping jaw and a clamping cylinder, the indexing unit comprises an indexing hook and an indexing cylinder, the first clamping jaw is arranged at the end part of the mounting base, and the first clamping jaw can grab and clamp the revolving body workpiece under the driving of the clamping cylinder; the indexing hook extends into the first clamping jaw and can stir the revolving body workpiece to rotate under the action of the indexing cylinder.

2. The rotary body workpiece carrying mechanism according to claim 1, wherein said first holding jaw comprises two holding arms, each of said holding arms being provided with a holding surface, each of said holding surfaces being a circular arc surface, the two holding surfaces constituting a holding surface for clamping said rotary body workpiece.

3. The revolving body workpiece carrying mechanism according to claim 2, wherein the end of the holding arm provided with the index hook is provided with a slot, the index hook is rotatably provided in the slot, a rotational joint of the index hook is located on a side wall of the slot, the index hook comprises a first end and a second end located on both sides of the rotational joint, the first end extends into the first holding jaw, and the second end is located outside the first holding jaw.

4. The revolving body workpiece carrying mechanism according to claim 3, wherein the index cylinder is provided on the side surface of the first clamping jaw, and a push rod is connected to the index cylinder and is driven by the index cylinder to push the second end of the index hook.

5. The rotary body workpiece carrying mechanism according to claim 1, wherein the clamp cylinder is provided between the mounting base and the first clamping jaw.

6. The rotary body workpiece carrying mechanism according to any one of claims 1 to 5, wherein said clamping unit further comprises a second clamping jaw, and two of said clamping cylinders respectively drive said first clamping jaw and said second clamping jaw; the first clamping jaw and the second clamping jaw are arranged at two ends of the mounting base.

7. The revolving body workpiece carrying mechanism according to claim 6, wherein each of the second clamping jaws is provided with another indexing unit, the another indexing unit comprises another indexing hook and another indexing cylinder, the first clamping jaw can grab and clamp the revolving body workpiece under the driving of the clamping cylinder, and the another indexing hook extends into the second clamping jaw and can stir the revolving body workpiece to rotate under the action of the another indexing cylinder.

8. A revolving body workpiece production line, wherein the revolving body workpiece comprises a motor rotor, and is characterized by further comprising the revolving body workpiece conveying mechanism as claimed in any one of claims 1 to 7, and further comprising a finishing machine, a balancing machine, a detector and a blanking disc, which are arranged around the revolving body workpiece conveying mechanism; and the revolving body workpiece carrying mechanism is used for carrying workpieces among the car polisher, the balancing machine, the detector and the blanking disc.

9. The rotary body workpiece production line according to claim 8, wherein the rotary body workpiece handling mechanism is provided on a movable base on which a parts magazine is provided, the parts magazine holding a plurality of sizes of holding jaws.

10. The revolving body workpiece production line according to claim 8 or 9, wherein the finishing machine comprises a revolving body workpiece conveyor line for conveying the machined revolving body workpiece to a position to be conveyed and a positioning cylinder provided at the position to be conveyed and located at one side of the revolving body workpiece conveyor line; the positioning cylinder can push the revolving body workpieces, so that the revolving body workpieces are located at the same position to be conveyed.

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