CN107138426B

CN107138426B - Revolving body workpiece detection line and revolving body workpiece peripheral surface detection device thereof

Info

Publication number: CN107138426B
Application number: CN201710496570.8A
Authority: CN
Inventors: 沈鹏
Original assignee: Henan Qice Electronic Technology Co ltd
Current assignee: Henan Qice Electronic Technology Co ltd
Priority date: 2017-06-26
Filing date: 2017-06-26
Publication date: 2023-05-12
Anticipated expiration: 2037-06-26
Also published as: CN107138426A

Abstract

The invention relates to the field of workpiece surface detection devices, in particular to a revolving body workpiece detection line and a revolving body workpiece peripheral surface detection device thereof. The revolving body workpiece peripheral surface detection device comprises a mounting frame and a machine vision detection device, wherein the mounting frame is provided with a friction roller and a retainer arranged side by side with the friction roller, the friction roller is rotationally assembled on the mounting frame, the retainer is movably assembled on the mounting frame and is provided with a retaining position and a releasing position on the movable stroke of the retainer, the friction roller is provided with a workpiece detection station, the retainer can be matched with the friction roller to retain the workpiece in the workpiece detection station when in the retaining position, and the retainer moves in a direction away from the friction roller when in the releasing position to enable the workpiece to fall off the workpiece detection station. The rotating body workpiece peripheral surface detection device enables the workpiece to fall off the workpiece detection station through the movement of the retainer, the workpiece rapidly leaves the workpiece detection station under the action of gravity, and the problem that the conventional rotating body workpiece peripheral surface detection device is difficult to realize high-speed detection is solved.

Description

Revolving body workpiece detection line and revolving body workpiece peripheral surface detection device thereof

Technical Field

The invention relates to the field of workpiece surface detection devices, in particular to a revolving body workpiece detection line and a revolving body workpiece peripheral surface detection device thereof.

Background

The cylindrical lithium battery shell is widely cited in the aspects of electronic equipment, vehicles and the like, and the lithium battery shell group is generally formed by connecting a large number of cylindrical lithium battery shells in parallel, so that the safety requirement on the lithium battery shells is high, and serious safety accidents can be caused by unqualified battery shells. In the production process of the battery shell, the quality of the battery shell is ensured to be qualified at first, and the surface defects of the steel shell of the battery shell are mainly detected through a machine vision detection line at present, and the types of defects to be detected include: the outer surface pit, the outer surface white spot, the outer surface bulge, the outer surface scratch, the outer surface stain, the workpiece bounce angle, workpiece deletion, workpiece deformation, workpiece inclusion stain, shell opening deformation, shell opening burr, inner shell water stain and oil stain, inner shell wall macula, oil stain, water stain and the like.

The detection of the peripheral surface of the battery shell can detect defects such as scratches on the outer surface of the battery shell, pits on the outer surface of the battery shell and the like. For example, a cylindrical workpiece peripheral surface detection device disclosed in chinese patent application with application publication number CN106501273a and application publication date 2017.03.15 comprises a workbench and a machine vision detection device, a detection position and a friction roller for driving the workpiece at the detection position to rotate are arranged on the workbench, the workpiece is driven to rotate through the friction roller during use, the peripheral surface of the workpiece is detected through the machine vision detection device, and the detected workpiece rolls to the next station. The detection device is simple in structure, continuous detection can be achieved on the workpiece, but after the battery shell is detected, the battery shell needs to roll away from a workpiece detection station, the rolling speed is low, and high-speed detection of the detection line is difficult to meet.

Disclosure of Invention

The invention aims to provide a revolving body workpiece peripheral surface detection device, which solves the problem that the detection line is difficult to realize high-speed detection due to the adoption of a workpiece rolling and station changing mode in the existing revolving body workpiece peripheral surface detection device; the present invention also provides a rotary body workpiece inspection line using the rotary body workpiece peripheral surface inspection device.

In order to achieve the above object, a first technical scheme of the revolving body workpiece circumferential surface detection device of the present invention is: the revolving body workpiece peripheral surface detection device comprises a mounting frame and a machine vision detection device, wherein the mounting frame is provided with a friction roller and a retainer which is arranged side by side with the friction roller, the friction roller is rotationally assembled on the mounting frame, the retainer is movably assembled on the mounting frame and is provided with a retaining position and a releasing position on the movable stroke of the retainer, the friction roller is provided with a workpiece detection station, the retainer can be matched with the friction roller to retain the workpiece at the workpiece detection station when being in the retaining position, and the retainer moves to the releasing position in a direction away from the friction roller so that the workpiece falls off from the workpiece detection station.

The second technical scheme of the revolving body workpiece peripheral surface detection device of the invention is as follows: on the basis of the first technical scheme of the revolving body workpiece peripheral surface detection device, the mounting frame is provided with the retainer self-resetting elastic piece which applies acting force to the retainer to enable the retainer to realize self-resetting.

The third technical scheme of the revolving body workpiece peripheral surface detection device of the invention is as follows: on the basis of the second technical scheme of the revolving body workpiece peripheral surface detection device, the mounting frame is provided with the positioning piece which is matched with the retaining piece in the retaining position in a positioning way, and the retaining piece is abutted against the positioning piece under the action of the self-resetting elastic piece of the retaining piece.

The fourth technical scheme of the revolving body workpiece peripheral surface detection device of the invention is as follows: on the basis of the first or second or third technical scheme of the revolving body workpiece peripheral surface detection device, a first receiving device which is arranged below a workpiece detection station and used for receiving qualified workpieces is arranged on the mounting frame, the first receiving device is provided with a first receiving port for the qualified workpieces to enter, the first receiving device is connected with a driving device which drives the first receiving port to be far away from a workpiece falling track when the unqualified workpieces are detected, the mounting frame is also provided with a second receiving device which is used for receiving unqualified workpieces, and the second receiving device is provided with a second receiving port which is positioned in the position where the first receiving port is located to receive the unqualified workpieces after leaving the workpiece falling track.

The fifth technical scheme of the revolving body workpiece peripheral surface detection device of the invention is as follows: on the basis of the fourth technical scheme of the revolving body workpiece peripheral surface detection device, the driving device is a driving cylinder, and the driving cylinder comprises a cylinder push rod fixedly connected with the first receiving device.

The sixth technical scheme of the revolving body workpiece peripheral surface detection device of the invention is as follows: on the basis of the first, second or third technical scheme of the revolving body workpiece peripheral surface detection device, the retainer is arranged on the mounting frame in a swinging mode.

The seventh technical scheme of the revolving body workpiece peripheral surface detection device of the invention is as follows: on the basis of the first, second or third technical scheme of the revolving body workpiece peripheral surface detection device, the retainer comprises a retaining rod which is arranged side by side with the friction roller and a flange bearing sleeved on the retaining rod, the flange bearing is provided with at least one pair of flange parts of two flange bearings in the same pair, the flange parts are arranged far away from each other, the outer peripheral surface of the flange bearing forms a contact supporting surface which is used for contacting with a workpiece on the retainer, and the opposite end surfaces of the flange parts of the two flange bearings in the same pair form a positioning surface which is used for positioning and matching with the end surface of the workpiece.

The first technical scheme of the revolving body workpiece detection line is as follows: the revolving body workpiece detection line comprises a revolving body workpiece peripheral surface detection device and a feeding device for feeding the revolving body workpiece peripheral surface detection device, a machine vision detection device is arranged on a mounting frame, a friction roller and a retaining member which is arranged side by side with the friction roller are arranged on the mounting frame, the friction roller is rotationally assembled on the mounting frame, the retaining member is movably assembled on the mounting frame and has a retaining position and a releasing position on the movable stroke of the retaining member, a workpiece detection station is arranged on the friction roller, the retaining member can be matched with the friction roller to retain a workpiece in the workpiece detection station when in the retaining position, and the retaining member moves in a direction away from the friction roller to the releasing position so that the workpiece falls off the workpiece detection station.

The second technical scheme of the revolving body workpiece detection line is as follows: on the basis of the first technical scheme of the revolving body workpiece detection line, the mounting frame is provided with a retainer self-resetting elastic piece which applies acting force to the retainer to enable the retainer to realize self-resetting.

The third technical scheme of the revolving body workpiece detection line is as follows: on the basis of the second technical scheme of the revolving body workpiece detection line, the mounting frame is provided with the positioning piece which is matched with the holding piece in the holding position in a positioning way, and the holding piece is abutted on the positioning piece under the action of the self-resetting elastic piece of the holding piece.

The fourth technical scheme of the revolving body workpiece detection line of the invention is as follows: on the basis of the first or second or third technical scheme of the revolving body workpiece detection line, a first receiving device which is arranged below a workpiece detection station and used for receiving qualified workpieces is arranged on the mounting frame, the first receiving device is provided with a first receiving port for the qualified workpieces to enter, the first receiving device is connected with a driving device which drives the first receiving port to be far away from a workpiece falling track when the unqualified workpieces are detected, the mounting frame is also provided with a second receiving device which is used for receiving unqualified workpieces, and the second receiving device is provided with a second receiving port which is positioned for receiving the falling unqualified workpieces after the first receiving port leaves the workpiece falling track.

The fifth technical scheme of the revolving body workpiece detection line of the invention is as follows: on the basis of the fourth technical scheme of the revolving body workpiece detection line, the driving device is a driving cylinder, and the driving cylinder comprises a cylinder push rod fixedly connected with the first receiving device.

The sixth technical scheme of the revolving body workpiece detection line of the invention is as follows: on the basis of the first, second or third technical scheme of the revolving body workpiece detection line, the retainer is arranged on the mounting frame in a swinging mode.

The seventh technical scheme of the revolving body workpiece detection line of the invention is as follows: on the basis of the first, second or third technical scheme of the revolving body workpiece detection line, the revolving body workpiece circumferential surface detection device is provided with at least two feeding devices, each feeding device comprises a workpiece distribution line, each workpiece distribution line comprises a workpiece distribution device capable of reciprocating relative to the revolving body workpiece circumferential surface detection device, each workpiece distribution line is provided with at least two workpiece distribution openings, each workpiece distribution opening corresponds to the revolving body workpiece circumferential surface detection device, each workpiece distribution device is provided with a distribution cavity for accommodating a workpiece and a distribution cavity outlet for aligning the workpiece distribution opening in the distribution cavity to each workpiece distribution opening in the reciprocating process of the workpiece distribution device, and the retainer is driven by the workpiece distribution device to move from a retaining position to a releasing position.

The eighth technical scheme of the revolving body workpiece detection line of the invention is as follows: on the basis of the seventh technical scheme of the revolving body workpiece detection line, the retainer is assembled on the mounting frame in a swinging way, the retainer is provided with the linkage piece which is matched with the workpiece distribution device to drive the retainer to swing, the linkage piece is assembled on the retainer in a swinging way, the retainer swinging axis of the retainer swinging around the mounting frame is parallel to or coincides with the linkage piece swinging axis of the linkage piece swinging around the retainer, the workpiece distribution device can drive the linkage piece to drive the retainer to swing around the swinging axis of the retainer together and enable the retainer to swing to a release position when moving along one direction, and the workpiece distribution device can drive the linkage piece to swing relative to the retainer and enable the retainer to be in the retaining position when moving along the other direction.

The ninth technical scheme of the revolving body workpiece detection line of the invention is as follows: on the basis of the eighth technical scheme of the revolving body workpiece detection line, the retainer is provided with the linkage piece installation seat, the linkage piece installation seat is provided with the stop structure which is matched with the linkage piece in a stop mode in the process that the linkage piece drives the retainer to move towards the release position, the linkage piece is connected with the linkage piece self-resetting elastic piece, and the linkage piece is reset under the action of the linkage piece self-resetting elastic piece after being driven by the trigger piece to swing relative to the retainer.

The tenth technical scheme of the revolving body workpiece detection line of the invention is as follows: on the basis of the ninth technical scheme of the revolving body workpiece detection line, the workpiece distribution device comprises a trigger piece for driving the linkage piece to act, wherein the movement stroke of the workpiece distribution device along one direction is a material distribution stroke, the movement stroke along the other direction is an idle stroke, and the workpiece distribution device drives the linkage piece to drive the retainer piece to swing around the swinging axis of the retainer piece when moving along the movement direction of the material distribution stroke; in the material distributing process, the workpiece to be detected in the distributing cavity enters the workpiece detecting station after the trigger piece triggers the retainer piece to release the workpiece which is in the workpiece detecting station to detect the workpiece.

The eleventh technical scheme of the revolving body workpiece detection line of the invention is as follows: on the basis of the first, second or third technical scheme of the revolving body workpiece detection line, the retainer comprises a retainer rod which is arranged side by side with the friction roller and a flange bearing sleeved on the retainer rod, the flange bearing is provided with at least one pair of flange parts of the two flange bearings in the same pair, the flange parts are arranged far away from each other, the outer peripheral surfaces of the flange bearings form a contact supporting surface which is used for contacting with a workpiece on the retainer, and the opposite end surfaces of the flange parts of the two flange bearings in the same pair form a positioning surface which is used for positioning and matching with the end surfaces of the workpiece.

The beneficial effects of the invention are as follows: the invention relates to a revolving body workpiece peripheral surface detection device, which comprises a mounting frame, a friction roller and a retainer arranged on the mounting frame and parallel to the friction roller, wherein the retainer is provided with a retaining position and a releasing position, the retainer is matched with the friction roller to retain a workpiece at a workpiece detection station when the retainer is at the retaining position, after the workpiece at the workpiece detection station is detected, the retainer moves to the releasing position in a direction away from the friction roller to enable the workpiece to fall away from the workpiece detection station, compared with the existing mode of rolling away from the workpiece detection station, the revolving body workpiece peripheral surface detection device provided by the invention enables the detected workpiece to fall away from the workpiece detection station through the movement of the retainer, and the workpiece is rapidly separated from the workpiece detection station under the action of gravity, so that the problem that the detection line of the existing revolving body workpiece peripheral surface detection device is difficult to realize high-speed detection due to the adoption of the mode of the workpiece rolling replacement station is solved.

Furthermore, the mounting frame is provided with the retainer self-resetting elastic piece which applies acting force to the retainer to enable the retainer to realize self-resetting, and a special driving device is not required to drive during resetting, so that the structure of the revolving body workpiece peripheral surface detection device is simplified.

Further, the mounting frame is provided with the positioning piece matched with the holding piece in the holding position in a positioning way, the holding piece is abutted to the positioning piece under the action of the self-resetting elastic piece, and the self-resetting elastic piece can apply elastic pretightening force to the holding piece, so that the holding piece is abutted to the positioning piece, the holding piece cannot shake, and the stability of a workpiece in a workpiece detection station is guaranteed.

Further, be equipped with the first material receiving device that is in work piece detection station below on the mounting bracket, first material receiving device is connected with drive arrangement, when detecting the work piece disqualification, the work piece whereabouts orbit is kept away from to the material receiving mouth of drive arrangement drive first material receiving device, and unqualified work piece gets into second material receiving device through the second material receiving mouth, guarantees that unqualified work piece also can realize the transform of station through the mode of whereabouts.

Drawings

FIG. 1 is a schematic structural view of an embodiment of a rotary workpiece inspection line of the present invention;

FIG. 2 is a schematic diagram of the assembly of a workpiece dosing device and a workpiece dispensing line of an embodiment of a rotary workpiece inspection line of the present invention;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a schematic structural view of a workpiece dosing device of an embodiment of the rotary workpiece inspection line of the present invention;

FIG. 5 is a left side view of FIG. 4;

FIG. 6 is a top view of FIG. 4;

FIG. 7 is a bottom view of FIG. 4;

FIG. 8 is a schematic structural view of an inlet baffle and an outlet baffle of a workpiece dosing apparatus of an embodiment of a rotary workpiece inspection line of the invention;

FIG. 9 is a schematic view of a cartridge and guide bar configuration of an embodiment of a rotary workpiece inspection line of the present invention;

FIG. 10 is a schematic diagram of a workpiece dispensing line of an embodiment of a rotary workpiece inspection line of the present invention;

FIG. 11 is a top view of FIG. 10;

FIG. 12 is a schematic view of a work distribution apparatus of an embodiment of a rotary work detection line of the present invention;

FIG. 13 is a schematic view of the two inspection devices for the peripheral surfaces of the workpiece of revolution and the workpiece distribution device in a certain state according to the embodiment of the inspection line for the workpiece of revolution in accordance with the present invention;

fig. 14 is a rear view of fig. 13;

FIG. 15 is a top view of FIG. 13;

FIG. 16 is a schematic structural view of a rotary body workpiece peripheral surface inspection device of a specific embodiment of the rotary body workpiece inspection line of the present invention;

FIG. 17 is a right side view of FIG. 16;

FIG. 18 is a top view of FIG. 16;

fig. 19 is a rear view of fig. 16;

FIG. 20 is a schematic view of a portion of a rotary body workpiece peripheral surface inspection device of a specific embodiment of a rotary body workpiece inspection line of the present invention;

FIG. 21 is a schematic structural view of a holder of an embodiment of a rotary workpiece inspection line of the present invention;

FIG. 22 is a right side view of FIG. 21;

FIG. 23 is a top view of FIG. 21;

fig. 24 is a schematic structural view of a linkage mount of an embodiment of a rotary workpiece inspection line of the present invention.

Detailed Description

Embodiments of the present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 24, the detection line for the revolving body workpiece comprises a detection device 4 for the peripheral surface of the revolving body workpiece and a feeding device for feeding the detection device for the peripheral surface of the revolving body workpiece, wherein the feeding device comprises a feeding slideway 1, a workpiece quantitative feeding device 2 arranged at the tail part of the feeding slideway, and a workpiece distribution line 3 matched with the quantitative feeding device. The machine vision detection device 5 is arranged on the revolving body workpiece peripheral surface detection device 4. The workpiece 10 detected by the detection line for a rotational body workpiece in this embodiment is a cylindrical battery case, one end of the battery case is sealed, and the other end is open, and in the case where no particular description is made in this embodiment, the workpiece is referred to as a battery case, however, in other embodiments, the detection line for a rotational body workpiece may detect other rotational body workpieces such as a cylindrical battery and a tapered roller.

As shown in fig. 4 to 7, the workpiece dosing device 2 includes a housing 21, and a feeding chamber 211 for accommodating a set number of workpieces is provided in the housing 21, and the shape of the feeding chamber 211 is adapted to the shape of the workpieces and allows the workpieces to be discharged side by side. The housing 21 is provided with a feed chamber inlet 212 and a feed chamber outlet 213, through which feed chamber inlet 212 the workpiece 10 in the feed chute 1 enters the feed chamber 211. The feed chamber inlet 212 and the feed chamber outlet 213 of the housing 21 are slidably fitted with an inlet baffle 22 and an outlet baffle 23, respectively, the inlet baffle 22 having an inlet blocking position and an inlet avoidance position, and the outlet baffle 23 having an outlet blocking position and an outlet avoidance position. The inlet baffle 22 in this embodiment constitutes an inlet stop of the workpiece dosing device 2 and the outlet baffle 23 constitutes an outlet stop of the workpiece dosing device 2, but in other embodiments the inlet stop or the outlet stop may be a bar or a screen or the like arranged side by side.

The feed chamber inlet 212 and the feed chamber outlet 213 are arranged up and down in this embodiment, the feed chamber inlet 212 is open upwards, the feed chamber outlet 213 is open downwards, and the work piece in the feed chamber 211 enters the feed chamber 211 by gravity and leaves the feed chamber 211 by gravity.

In this embodiment, the outlet baffle 23 and the inlet baffle 22 are relatively fixed by the connecting plate 24, the outlet baffle 23, the inlet baffle 22 and the connecting plate 24 enclose a U-shaped groove with an opening facing the housing 21, and a feeding driving cylinder 25 for driving the inlet stop and the outlet stop to move is disposed in the U-shaped groove, and the feeding driving cylinder 25 in this embodiment forms a driving device for driving the inlet stop and the outlet stop.

In this embodiment, two feeding chambers 211 are disposed in the housing 21, the housing 21 includes a first side plate 214 and a second side plate 215, and three partition plates 216 for enclosing the feeding chambers 211 with the first side plate 214 and the second side plate 215 are disposed between the first side plate 214 and the second side plate 215. In this embodiment, two inlet baffles 22 are provided, two first inlet baffle insertion holes into which the inlet baffles 22 are inserted are provided on the first side plate 214, and second inlet baffle insertion holes corresponding to the first inlet baffle insertion holes on the first side plate 214 are provided on the second side plate 215, and the two first inlet baffle insertion holes are arranged at intervals, and the two second inlet baffle insertion holes are arranged at intervals. In this embodiment, the outlet baffles 23 corresponding to the two feeding chambers 211 are integrally disposed, a first outlet baffle insertion hole into which the outlet baffles 23 are inserted is formed in the first side plate 214, and a second outlet baffle insertion hole corresponding to the first outlet baffle insertion hole is formed in the second side plate 215.

In this embodiment, the two feed chambers 211 are arranged in a direction perpendicular to the feed chamber partition 216, and in this embodiment, a side wall surface of the housing 21 for mating with the end surface of the workpiece is provided on the partition 216. In this embodiment, the workpieces are arranged up and down in the feeding chamber 211, the first side plate 214 and the second side plate 215 are arranged in parallel, and the distance between the first side plate 214 and the second side plate 215 is adapted to the diameter of the end face of a single workpiece, so that the workpieces are arranged in a single row in the feeding chamber 211.

The cylinder body of the feeding driving cylinder 25 is fixed on the first side plate 214, the cylinder push rod of the feeding driving cylinder 25 is fixed with the connecting plate 24, and the connecting plate 24 moves along with the cylinder push rod and drives the outlet baffle plate 23 and the inlet baffle plate 22 to move.

The inlet baffle 22 is in the inlet avoidance position to avoid the feeding cavity inlet 212, and the workpiece can enter the feeding cavity 211 through the feeding cavity inlet 212. The inlet baffle 22, when in the inlet blocking position, blocks the feed chamber inlet 212, preventing the workpiece from entering the feed chamber 211. The outlet baffle 23 is in the outlet avoidance position and is avoided from the feeding cavity outlet 213, the workpiece can leave the feeding cavity 211, and the outlet baffle 23 is in the outlet avoidance position and is shielded from the feeding cavity outlet 213, so that the workpiece is prevented from leaving the feeding cavity 211.

In order to make the inlet baffle 22 and the outlet baffle 23 disposed on the same side of the housing 21, the outlet baffle 23 in this embodiment is provided with an outlet avoidance hole 231, and the outlet baffle 23 is located at an outlet avoidance position and exits from the Kong Birang feeding chamber 213 through the outlet. The outlet baffle 23 and the inlet baffle 22 are provided on the same side of the housing 21 so that both baffles can share the same drive cylinder while simplifying the assembly relationship. In other embodiments, the inlet baffle 22 may also be provided with an inlet avoidance hole, where the outlet baffle 23 and the inlet baffle 22 may be optionally disposed on the same side of the housing 21 or on two sides of the housing 21, as required.

When the workpiece dosing device 2 in this embodiment is used, the inlet baffle 22 is located at the inlet avoidance position, at this time, the outlet baffle 23 is located at the outlet shielding position, workpieces in the feeding slideway 1 can enter the feeding cavity 211 through the feeding cavity inlet 212, after the feeding cavity 211 is filled, the inlet baffle 22 is located at the inlet shielding position to prevent the workpieces from continuously entering the feeding cavity 211, when the inlet moves to the inlet shielding position, the outlet baffle 23 simultaneously moves to the outlet avoidance position, and a set number of workpieces in the feeding cavity 211 can leave the feeding cavity 211 to finish dosing.

In this embodiment, the workpiece distributing line 3 includes a bracket 31 and a workpiece distributing device 32, the bracket 31 is provided with a distributing slideway 311, the distributing slideway 311 is provided with a workpiece distributing opening 312, the workpiece distributing device can reciprocate relative to the bracket, and the workpiece distributing device 32 and the distributing slideway 311 are arranged at intervals and can reciprocate relative to the distributing slideway 311, so as to reduce the reciprocating resistance of the workpiece distributing device.

The workpiece distributing device 32 includes a cartridge 320 and a fixed frame 324 fixed to a conveyor 332, and the cartridge 320 is fixed to the fixed frame 324. The cartridge 320 has a dispensing chamber 321, a dispensing chamber outlet 322 for workpieces exiting the dispensing chamber 321, and a dispensing chamber inlet 323 for workpieces entering the dispensing chamber 321. As shown in fig. 2, the dispensing chamber inlet 323 of the workpiece dispensing apparatus 32 in this embodiment is upwardly open and coincides with the feed chamber outlet 213 to allow workpieces within the feed chamber 211 to enter the dispensing chamber 321. The dispensing chamber outlet 322 of the workpiece dispensing apparatus 32 is open downward, i.e., the dispensing chamber outlet 322 is directed toward the dispensing chute 311, and workpieces within the dispensing chamber 321 exit the dispensing chamber 321 by gravity. In order to ensure that the workpieces in the distribution chamber, which are in contact with the distribution chute, are separated from the workpiece distribution device, the distance between the outlet of the distribution chamber and the distribution chute is smaller than the dimension of the workpieces along the arrangement direction of the workpiece distribution device and the distribution chute. In this embodiment, the distance between the dispensing chamber outlet 322 and the dispensing chute 311 is less than the diameter of the end surface of the workpiece. To ensure stable positioning of the workpiece relative to the workpiece dispensing apparatus 32, the spacing between the dispensing chamber outlet 322 and the dispensing chute 311 in this embodiment is less than the radius of the workpiece end face. The workpiece dispensing apparatus 32 sequentially aligns the dispensing chamber outlets with the same set of workpiece dispensing ports 312 during the reciprocating motion to sequentially dispense workpieces within the dispensing chamber to the workpiece dispensing ports 312.

The work distribution openings 312 in the present embodiment are provided with two groups, and the work distribution openings 312 of the same group are arranged in the reciprocating direction of the work distribution device. The two sets of workpiece distribution openings 312 are arranged along a direction perpendicular to the reciprocating direction of the workpiece distribution device, in this embodiment, four workpiece distribution openings 312 are arranged in each of the two sets, the workpiece distribution openings 312 in the two sets are in one-to-one correspondence, and the two corresponding workpiece distribution openings 312 are arranged along the direction perpendicular to the moving direction of the workpiece distribution device. The workpiece dispensing apparatus is capable of reciprocating relative to the carriage, and the workpiece dispensing apparatus 32 is spaced from the dispensing chute 311 and is reciprocally movable relative to the dispensing chute 311 to reduce the resistance to the reciprocal movement of the workpiece dispensing apparatus.

The workpiece distributing line 3 further comprises a distributing driving device for driving the workpiece distributing device 32 to reciprocate on the distributing slideway 311, the distributing driving device comprises a driving motor 331 and a conveying belt 332 driven by the driving motor 331, the bracket 31 is provided with a sliding rail 313, and the fixing frame 324 is provided with a guide block 3241 in guide sliding fit with the sliding rail.

In this embodiment, the material containing barrel 320 has a rectangular barrel structure, two distribution cavities 321 of the material containing barrel 320 are provided, the two distribution cavities 321 are respectively in one-to-one correspondence with the two feeding cavities 211, in this embodiment, the two distribution cavities 321 can both stack four workpieces up and down, and the number of each feeding set by the feeding cavities 211 of the workpiece quantitative feeding device is four.

The workpiece dispensing opening 312 is disposed on the dispensing chute 311 and the dispensing chamber outlet 322 is disposed on the bottom surface of the workpiece dispensing device 32 to face the dispensing chute. In other embodiments, the workpiece dispensing apparatus may be slidably mounted on the dispensing chute with the dispensing chamber outlet disposed on the bottom surface of the workpiece dispensing apparatus, i.e., the dispensing chamber outlet disposed on the sliding surface of the workpiece dispensing apparatus in sliding engagement with the chute.

In this embodiment, two corresponding workpiece distribution ports 312 of the two sets of workpiece distribution ports 312 respectively correspond to the distribution chamber outlets 322 of the two distribution chambers 321. In this embodiment, the four workpiece dispensing ports 312 of the same group are disposed on the dispensing chute 311 at uniform intervals.

The fixing frame 324 includes a first clamping plate 3242 and a second clamping plate 3243, and the first clamping plate 3242 and the second clamping plate 3243 are clamped on the conveyor belt 332 to fix the fixing frame on the conveyor belt.

Since the conveying precision of the conveyor belt is not high, the fixing frame of the workpiece distributing device in this embodiment is fixed on the conveying frame, and the workpiece distributing device is inevitably fluctuated in the process of reciprocating on the distributing slideway, in order to ensure that the distributing cavity outlet 322 of the workpiece distributing device 32 is aligned with the workpiece distributing opening 312, in this embodiment, two sides of the workpiece distributing opening 312 are provided with guide strips 315 which are positioned on the distributing slideway 322 and extend along the reciprocating direction of the workpiece distributing device 32, and two ends of the guide strips 315 are provided with guide inclined planes for guiding the workpiece contacting with the distributing slideway in the distributing cavity of the workpiece distributing device to enter. In other embodiments, the guide strip may also be in sliding fit with the guide of the cartridge, and the guide slope guides the cartridge into.

The workpiece distribution device can reciprocate relative to the support, and a distribution cavity outlet of the workpiece distribution device aligns with the workpiece distribution opening to distribute workpieces in the distribution cavity to the workpiece distribution opening during the reciprocating motion of the workpiece distribution device relative to the support. The revolving body workpiece distribution line can be used for rapidly distributing workpieces to a plurality of workpiece detection stations, and the problem of low workpiece detection efficiency caused by the fact that continuous detection operation cannot be realized in the conventional battery is solved.

The device 4 for detecting the circumferential surface of the revolving body workpiece comprises a mounting frame 41, wherein the mounting frame 41 is provided with a machine vision detecting device 5, and in this embodiment, the machine vision detecting device is in the prior art, and is not described in detail. The mount 41 is rotatably fitted with a friction roller 42 and a holder 43 arranged side by side with the friction roller 42, the holder 43 is swingably fitted on the mount 41, and the swinging stroke of the holder 43 has a holding position and a releasing position, which refer not only to one point on the swinging stroke of the holder 43 but also to a range, for example: when the position of the holder 43 is such that the workpiece falls from between the friction roller 42 and the holder 43, the holder 43 can be considered to be in the release position. The friction roller 42 is provided with a work detection station, and the retainer 43 can cooperate with the friction roller 42 to retain the work in the work detection station when in the retaining position, and the retainer 43 swings away from the friction roller 42 to the releasing position to drop the work away from the work detection station.

In this embodiment, the holding member 43 includes a holding rod 431 and a swing arm 432 hinged to the mounting frame 41, in this embodiment, the holding rod 431 is fixedly connected to the swing arm 432, a flange bearing 433 is disposed on the holding rod 431, when the holding member 43 is in the holding position, the workpiece is held in the workpiece detecting station by the flange bearing 433, and in the process of driving the workpiece to rotate by the friction roller 42, the flange bearing 433 can reduce the rotation resistance of the workpiece.

The friction roller 42 of the revolving body workpiece circumferential surface detection device in this embodiment is provided with two workpiece detection positions, wherein the two workpiece detection positions respectively correspond to the two workpiece distribution openings 312, and the two workpiece distribution openings 312 respectively correspond to two of the two groups of workpiece distribution openings 312. In order to avoid axial movement of the workpiece during the inspection, in this embodiment, two pairs of flange bearings 433 are provided on the holding rod 431, as shown in fig. 21, wherein each pair of flange bearings 433 corresponds to one workpiece inspection station. The flange portions of the same pair of flange bearings 433 are disposed away from each other, and the outer peripheral surfaces of the flange bearings 433 constitute contact support surfaces 434 on the holder 43 for contact with a workpiece. The end face of the flange portion 4331 of the flange bearing 433 facing the other flange bearing 433 in the same pair constitutes a positioning face 435 for positioning engagement with the end face of the workpiece. When the friction roller 42 is used, the flange bearing 433 is fixed on the holding rod 431, and when a workpiece enters the workpiece detection station on the friction roller 42, the workpiece is held at the workpiece detection station under the action of the contact supporting surface of the holding piece 43, and meanwhile, the end faces of the two ends of the workpiece are matched with the positioning surface 435 on the flange part of the flange bearing 433 in a positioning manner, so that the workpiece cannot axially float in the process of driving the workpiece to rotate by the friction roller 42, and the accurate detection result is ensured.

In other embodiments, the holding rod and the rocker arm may be of an integral structure, the flange bearing may not be provided, the holding rod is rotatably assembled on the rocker arm, and the positioning structure is arranged on the holding rod to ensure that the workpiece cannot axially move in the rotating process.

As shown in fig. 13, the mounting frame 41 is provided with a retainer positioning pin 44 and a retainer self-return spring 45 which are positioned and matched with the rocker arm 432, one end of the retainer self-return spring 45 is fixed on the mounting frame 41, and the other end is fixed on the rocker arm 432. When the retainer 43 is in the retaining position, the retainer 43 is engaged with the retainer positioning pin 44 by the rocker arm 432, and the retainer 43 abuts against the retainer positioning pin 44 by the retainer self-return spring 45. When the retainer 43 is in the release position, the retainer self-return spring 45 applies a force to swing the retainer 43 toward the retention position. The retainer 43 is oscillated from the release position to the retaining position under the force of the retainer self-return spring 45. The specific driving manner of the release position in which the holder 43 swings from the holding position will be described below.

The mounting frame 41 is fixedly provided with a first receiving device 46 which is positioned below the workpiece detection station and is used for receiving falling qualified workpieces, and the first receiving device 46 comprises a receiving chute 461 which is slidingly assembled on the mounting frame, and the receiving chute 461 is provided with a first receiving opening 462 with an upward opening. The mounting frame 41 is further provided with a second receiving device below the workpiece detection station, the second receiving device comprises a workpiece receiving pipe 47, the workpiece receiving pipe 47 is provided with a second receiving opening below the workpiece detection station, and the second receiving opening is below the first receiving opening 462 and receives falling unqualified workpieces after the first receiving opening 462 leaves the workpiece falling track. In this embodiment, the first receiving device 46 is connected with a receiving driving cylinder 48, the receiving driving cylinder 48 includes a cylinder body 481 and a cylinder push rod 482, the cylinder body is fixed on the mounting frame 41, the cylinder push rod 482 is fixed on the receiving chute 461, when the unqualified workpiece is detected, the receiving driving cylinder 48 receives a command to drive the first receiving opening 462 of the receiving chute 461 to leave the falling track of the workpiece, and the unqualified workpiece enters the workpiece receiving pipe 47 through the second receiving opening. The first receiving device further comprises a chute for receiving each receiving chute. The rotating body workpiece peripheral surface detection device provided by the invention enables the detected workpiece to fall off the workpiece detection station through the movement of the retainer, and the workpiece rapidly leaves the workpiece detection station under the action of gravity, so that the problem that the detection line is difficult to realize high-speed detection due to the adoption of the mode of workpiece rolling and station replacement in the existing rotating body workpiece peripheral surface detection device is solved.

The manner in which the holder 43 swings from the work holding position to the release position will be described in detail.

In this embodiment, the holder 43 is swingably mounted on the mounting frame 41, the holder 43 is provided with a link member 49 for driving the holder 43 to swing from the holding position to the releasing position in cooperation with the work dispensing device 32, and a holder swing axis along which the holder 43 swings about the mounting frame 41 is arranged in parallel with a link member swing axis along which the link member 49 swings about the holder 43, and the work dispensing device drives the holder 43 to swing from the holding position to the releasing position via the link member 49. In other embodiments, the linkage swing axis and the holder swing axis may coincide.

In this embodiment, as shown in fig. 24, a linkage mounting seat 436 is provided on the holder 43, and in this embodiment, a blocking inclined surface 437 that is in blocking engagement with the linkage 49 during the movement of the holder 43 to the release position by the linkage 49 is provided on the linkage mounting seat 436, and the blocking inclined surface 437 forms a blocking structure on the linkage mounting seat 436. The linkage member 49 is connected with a linkage member self-resetting elastic member, which is a torsion spring 60 provided between the linkage member 49 and the rocker arm 432. The link member 49 is self-reset by the torsion spring 60 after swinging relative to the holder 43 by the trigger member. In other embodiments, the torsion spring may be a tension spring disposed between the linkage and the rocker arm, or may be a tension spring disposed between the linkage and the mount.

In this embodiment, during the reciprocating movement of the workpiece dispensing device 32 on the dispensing slide 311, the workpiece dispensing device 32 has a dispensing stroke, a return stroke is an idle stroke, and the workpiece dispensing device 32 drives the linkage member 49 to drive the holder 43 to swing around the holder swing axis during the dispensing stroke.

The workpiece distributing device 32 comprises a trigger piece 326 arranged on the bracket and driving the linkage piece 49 to act, in the material distributing stroke, the workpiece distributing device 32 drives the linkage piece 49 through the trigger piece 326, and then drives the retaining piece 43 to swing towards the releasing position, after the retaining piece 43 swings to the releasing position, the workpiece falls from the workpiece detecting station, then the workpiece distributing device 32 continues to move forwards, the trigger piece 326 is separated from the linkage piece 49, the linkage piece 49 and the retaining piece 43 are reset to the retaining position under the action of the retaining piece self-reset spring 45, and the workpiece to be detected in the distributing cavity 321 enters the workpiece detecting position.

The specific working process of the revolving body workpiece detection line is as follows:

the inlet baffle is in inlet avoidance, the workpiece to be detected, namely, the battery shell rolls down from the inside of the feeding slideway 1 and enters the workpiece quantitative feeding device 2, four workpieces respectively enter the two feeding cavities 211 of the workpiece quantitative feeding device 2, the four workpieces are stacked together from top to bottom, the workpiece distribution device 3 moves to the lower part of the workpiece quantitative feeding device 2, at the moment, the distribution cavity inlet 323 of the workpiece distribution device 3 is aligned with the feeding cavity outlet 213, the feeding driving cylinder 25 pushes the connecting plate 24 to drive the inlet baffle 22 and the outlet baffle 23 to move, the outlet baffle 23 is in outlet avoidance, and the workpieces in the feeding cavities 211 enter the distribution cavity 321.

After entering the distribution cavity 321, the workpiece distribution device 32 moves under the driving of the conveyor belt 332, taking a group of workpiece distribution openings as an example, in the process of going the workpiece distribution device 32, the trigger piece 326 on the workpiece distribution device 32 triggers the linkage piece 49 of the first revolving body workpiece peripheral surface detection device, the driving retainer piece 43 swings towards the release position, the workpiece at the workpiece detection station falls down, if the workpiece is a qualified workpiece, the workpiece falls into the first receiving device, if the workpiece is not qualified, the receiving driving cylinder pushes the first receiving opening of the receiving chute to leave the falling track of the workpiece, and the second receiving opening is positioned on the falling track of the workpiece, and the workpiece falls into the second receiving device. The workpiece-drop-back holder 43 returns to the holding position and then, as the workpiece dispensing apparatus continues to move, the dispensing chamber outlet of the workpiece dispensing apparatus aligns with the workpiece dispensing orifice through which the workpiece in the dispensing chamber enters the workpiece inspection station. Thereafter, the other three work distribution ports are sequentially passed through in the forward stroke of the work distribution device. Within the return stroke, the workpiece dispensing apparatus is unloaded.

In the embodiment, the workpiece distribution device distributes workpieces to the workpiece detection stations in the material distribution stroke and leaves the workpiece detection stations in the next material distribution stroke, so that the workpieces are ensured to have relatively sufficient detection time at the workpiece detection stations.

In the specific embodiment of the device for detecting the circumferential surface of the solid of revolution according to the present invention, the structure of the device for detecting the circumferential surface of the solid of revolution in the present embodiment is the same as that of the device for detecting the circumferential surface of the solid of revolution in the specific embodiment of the detection line of the solid of revolution, and will not be described again.

In other embodiments, when the distance between the trigger piece and the distribution cavity meets a certain condition, the trigger piece can be arranged at the rear side of the distribution cavity, at this time, after the workpiece distribution device completes a reciprocating motion stroke, no workpiece is arranged on the workpiece detection station, when the workpiece distribution device performs the material distribution of the next period, the distribution cavity is positioned at the front side of the trigger piece, the distribution cavity distributes the workpiece to be detected to the workpiece detection station, the trigger piece positioned at the rear side of the distribution cavity is contacted with the linkage piece, and the linkage piece drives the retainer piece to swing towards the release position, so that the peripheral surface detection of the workpiece of the revolving body is required to have a fast detection speed.

In other embodiments, in order to ensure the detection speed of the whole detection line, the workpiece distribution device should avoid no load when moving in a certain direction during the reciprocating motion, under the concept of the invention, double number of workpieces can be stored in the distribution cavity, and the rocker arms on two sides of the retaining member are respectively provided with a first linkage member and a second linkage member, wherein the structure of the first linkage member has the same function as that of the embodiment, the second linkage member has the opposite function to that of the embodiment, the reciprocating motion stroke of the workpiece distribution device is divided into a forward stroke and a return stroke, the forward stroke realizes the distribution of the workpieces through the first linkage member, and the second linkage member realizes the distribution of the workpieces during the return stroke, and the second linkage member drives the retaining member to act through the lever mechanism at the moment because the motion direction of the workpiece distribution device is opposite to the swinging direction of the retaining member during the return stroke. In addition, the size of the distribution chamber of the workpiece distribution device can be unchanged, and the workpiece distribution line can be fed into the distribution chamber at two ends of the workpiece distribution line.

In other embodiments, the holder may be slidably mounted on the mounting frame, so that the holder may be driven by the workpiece dispensing apparatus, and the holder may be slid in a direction away from the friction roller while being moved downward, i.e., the direction of sliding of the holder relative to the mounting frame may have a set angle with respect to the direction of reciprocation of the workpiece dispensing apparatus.

In other embodiments, the retainer may be driven to swing by a driving mechanism; similarly, the retainer self-resetting spring may be replaced by other driving mechanisms.

In other embodiments, the material receiving ports of the first material receiving device and the second material receiving device can synchronously move, when the first material receiving port leaves the falling track of the workpiece, the second material receiving port is positioned on the falling track of the workpiece, and conversely, when the second material receiving port leaves the falling track of the workpiece, the first material receiving port is positioned on the falling track of the workpiece.

In other embodiments, the holding member may not have a transmission connection relationship with the workpiece distribution device, and a position sensor may be disposed on the distribution line, and after the workpiece distribution device moves to the set position, the position sensor triggers the driving mechanism to drive the holding member to swing to the release position.

In other embodiments, a rejecting mechanism may be further disposed on one side of the workpiece detection station, where the rejecting mechanism may be an electric push rod rejecting mechanism or a jet type rejecting mechanism, and after the workpiece is detected as unqualified at the workpiece detection station, the workpiece is directly rejected through the rejecting mechanism, so as to ensure normal operation of the rejecting mechanism, and at this time, the retainer should select a roller to replace a flange bearing instead of a positioning structure that is disposed on an end face of the workpiece in an axial direction of the workpiece and is matched with the flange bearing in a positioning manner. Of course, the unqualified workpieces can be removed by a manipulator.

In other embodiments, the same set of workpiece-dispensing apertures may be arranged in a direction perpendicular to the direction of reciprocation of the workpiece-dispensing device, and only one set of workpiece-dispensing apertures may be provided, with each workpiece-dispensing aperture being simultaneously aligned with the dispensing chamber outlet of the workpiece-dispensing device when only one set is provided.

In other embodiments, the workpiece dispensing apparatus may be a chain drive or may be driven by a drive motor to reciprocate on the carriage.

Claims

1. The rotary body workpiece detection line comprises a rotary body workpiece peripheral surface detection device and a feeding device for feeding the rotary body workpiece peripheral surface detection device, wherein the rotary body workpiece peripheral surface detection device comprises a mounting frame and a machine vision detection device, and is characterized in that: the friction roller is rotatably assembled on the mounting frame, the retaining member is movably assembled on the mounting frame and provided with a retaining position and a releasing position on the movable stroke of the retaining member, the friction roller is provided with a workpiece detection station, the retaining member can be matched with the friction roller to keep the workpiece at the workpiece detection station when in the retaining position, and the retaining member enables the workpiece to fall off the workpiece detection station when moving to the releasing position in the direction away from the friction roller;

The workpiece distribution line comprises a workpiece distribution device capable of reciprocating relative to the workpiece peripheral surface detection device of the revolving body, at least two workpiece distribution openings are formed in the workpiece distribution line, the workpiece distribution openings correspond to the workpiece peripheral surface detection device of the revolving body, and the workpiece distribution device is provided with a distribution cavity for accommodating workpieces and a distribution cavity outlet for aligning the workpiece distribution openings in the distribution cavity to distribute the workpieces to the workpiece distribution openings in the reciprocating process of the workpiece distribution device;

the workpiece distribution line comprises a bracket, a workpiece distribution device is arranged on the bracket, a distribution slideway is further arranged on the bracket, the workpiece distribution opening is arranged on the distribution slideway, a revolving body workpiece peripheral surface detection device is arranged at the lower side of the distribution slideway, each revolving body workpiece peripheral surface detection device is correspondingly arranged with different workpiece distribution openings, and the workpiece distribution device is arranged at the upper side of the distribution slideway;

the workpiece distribution device can drive the linkage member to drive the retainer to swing around the swinging axis of the retainer together and drive the retainer to swing to a release position when moving along one direction, and can drive the linkage member to swing relative to the retainer and drive the retainer to be in the retention position when moving along the other direction.

2. The inspection line for solid of revolution of claim 1, wherein: the mounting frame is provided with a retainer self-resetting elastic piece which applies force to the retainer to enable the retainer to realize self-resetting.

3. The inspection line for solid of revolution of claim 2, wherein: the mounting frame is provided with a positioning piece matched with the retaining piece in a retaining position in a positioning way, and the retaining piece is abutted on the positioning piece under the action of the self-resetting elastic piece of the retaining piece.

4. The inspection line for solid of revolution workpieces according to claim 1, 2 or 3, characterized in that: be equipped with the first receiving device that is used for receiving qualified work piece below the work piece detection station on the mounting bracket, first receiving device has the first receiving mouth that supplies qualified work piece to get into, first receiving device is connected with and drives first receiving mouth and keep away from the drive arrangement of work piece whereabouts orbit when detecting the work piece inequality, still is equipped with the second receiving device that is used for receiving unqualified work piece on the mounting bracket, and the second receiving device is equipped with and is in the second receiving mouth that receives the unqualified work piece of whereabouts after first receiving mouth leaves work piece whereabouts orbit.

5. The inspection line for solid of revolution of claim 4, wherein: the driving device is a driving cylinder, and the driving cylinder comprises a cylinder push rod fixedly connected with the first receiving device.

6. The inspection line for solid of revolution workpieces according to claim 1, 2 or 3, characterized in that: the holder is pivotally mounted on the mounting frame.

7. The inspection line for solid of revolution workpieces according to claim 1, 2 or 3, characterized in that: the automatic reset device is characterized in that a linkage piece mounting seat is arranged on the retainer, a stop structure matched with the linkage piece in a stop mode is arranged on the linkage piece mounting seat in the process that the linkage piece drives the retainer to move towards the release position, the linkage piece is connected with a linkage piece self-reset elastic piece, and the linkage piece is reset under the action of the linkage piece self-reset elastic piece after being driven by the trigger piece to swing relative to the retainer.

8. The inspection line for solid of revolution of claim 7, wherein: the workpiece distribution device comprises a trigger piece for driving the linkage piece to act, wherein the movement stroke of the workpiece distribution device along one direction is a material distribution stroke, the movement stroke along the other direction is an idle stroke, and the workpiece distribution device drives the linkage piece to drive the retainer piece to swing around the swinging axis of the retainer piece when moving along the movement direction of the material distribution stroke; in the material distributing process, the workpiece to be detected in the distributing cavity enters the workpiece detecting station after the trigger piece triggers the retainer piece to release the workpiece which is in the workpiece detecting station to detect the workpiece.

9. The inspection line for solid of revolution workpieces according to claim 1, 2 or 3, characterized in that: the retainer comprises a retainer rod and a flange bearing, wherein the retainer rod is arranged side by side with the friction roller, the flange bearing is sleeved on the retainer rod, the flange parts of the two flange bearings in the same pair are arranged away from each other, the outer peripheral surfaces of the flange bearings form a contact supporting surface on the retainer for contacting with a workpiece, and the opposite end surfaces of the flange parts of the two flange bearings in the same pair form a positioning surface for positioning and matching with the end surfaces of the workpiece.

10. The utility model provides a solid of revolution work piece global detection device, includes mounting bracket and machine vision detection device, its characterized in that: the friction roller is rotatably assembled on the mounting frame, the retaining member is movably assembled on the mounting frame and provided with a retaining position and a releasing position on the movable stroke of the retaining member, the friction roller is provided with a workpiece detection station, the retaining member can be matched with the friction roller to keep the workpiece at the workpiece detection station when in the retaining position, and the retaining member enables the workpiece to fall off the workpiece detection station when moving to the releasing position in the direction away from the friction roller;

The revolving body workpiece peripheral surface detection device is matched with the feeding device for use;

11. The rotary workpiece peripheral surface detection device according to claim 10, characterized in that: the mounting frame is provided with a retainer self-resetting elastic piece which applies force to the retainer to enable the retainer to realize self-resetting.

12. The rotary workpiece peripheral surface detection device according to claim 11, characterized in that: the mounting frame is provided with a positioning piece matched with the retaining piece in a retaining position in a positioning way, and the retaining piece is abutted on the positioning piece under the action of the self-resetting elastic piece of the retaining piece.

13. The rotary body workpiece circumferential surface detection device according to claim 10 or 11 or 12, characterized in that: be equipped with the first receiving device that is used for receiving qualified work piece below the work piece detection station on the mounting bracket, first receiving device has the first receiving mouth that supplies qualified work piece to get into, first receiving device is connected with and drives first receiving mouth and keep away from the drive arrangement of work piece whereabouts orbit when detecting the work piece inequality, still is equipped with the second receiving device that is used for receiving unqualified work piece on the mounting bracket, and the second receiving device is equipped with and is in the second receiving mouth that receives the unqualified work piece of whereabouts after first receiving mouth leaves work piece whereabouts orbit.

14. The rotary workpiece peripheral surface detection device according to claim 13, characterized in that: the driving device is a driving cylinder, and the driving cylinder comprises a cylinder push rod fixedly connected with the first receiving device.

15. The rotary body workpiece circumferential surface detection device according to claim 10 or 11 or 12, characterized in that: the holder is pivotally mounted on the mounting frame.

16. The rotary body workpiece circumferential surface detection device according to claim 10 or 11 or 12, characterized in that: the retainer comprises a retainer rod and a flange bearing, wherein the retainer rod is arranged side by side with the friction roller, the flange bearing is sleeved on the retainer rod, the flange parts of the two flange bearings in the same pair are arranged away from each other, the outer peripheral surfaces of the flange bearings form a contact supporting surface on the retainer for contacting with a workpiece, and the opposite end surfaces of the flange parts of the two flange bearings in the same pair form a positioning surface for positioning and matching with the end surfaces of the workpiece.