CN115615348A

CN115615348A - Dead-angle-free round bar appearance detection device

Info

Publication number: CN115615348A
Application number: CN202110789077.1A
Authority: CN
Inventors: 张义; 李梅菊
Original assignee: Shanghai Pushuo Automation Co ltd
Current assignee: Shanghai Pushuo Automation Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2023-01-17

Abstract

The invention relates to a device for detecting the appearance of a round bar without dead angles, which comprises a supporting mechanism and a detecting mechanism, wherein the detecting mechanism is connected with the supporting mechanism, the supporting mechanism is connected with a rotating mechanism, a driving mechanism, a fixing mechanism and a blanking mechanism, the detecting mechanism is used for detecting the appearance of a sample, the fixing mechanism is used for fixing the position of the sample, and the blanking mechanism is used for controlling the inlet and outlet of the sample; the rotating mechanism comprises a rotating roller, the rotating roller is connected with the supporting mechanism, the driving mechanism drives the rotating roller to rotate, and the rotating roller drives the sample to rotate. This application has saved splint to the sample centre gripping at the pivoted in-process at the sample to make detection mechanism carry out comprehensive detection to the sample, removed and detected the dead angle, thereby improved the detection precision of device.

Description

Dead-angle-free round bar appearance detection device

Technical Field

The application relates to the field of appearance detection, in particular to a dead-angle-free round bar appearance detection device.

Background

With the development of the tobacco industry, the types of cigarettes are more and more, and the diameters of the cigarettes of different types are different, so that the circumference of the cigarette is one of important detection indexes in the performance of the cigarette and the filter stick. Therefore, the appearance detection of the cigarette and the filter stick is an important step for producing the cigarettes with the same specification.

At present, chinese patent application with publication number CN111536879A discloses a combined length and circumference detection device, which comprises a reference surface positioning mechanism, a circumference reference surface mechanism and a laser detector; the datum plane positioning mechanism comprises a rotating shaft, a positioning datum plane and a detection channel; the circumference reference surface mechanism comprises a lifting structure, a telescopic structure and a circumference reference surface, the circumference reference surface which is horizontally arranged is fixedly installed with the telescopic structure, the telescopic structure is fixedly installed with the lifting structure, the telescopic structure is transversely telescopic, and the lifting structure is vertically lifted; the laser detector is arranged at the upper part of the detection channel, and the laser surface of the laser detector passes through a sample in the detection channel; and the clamping mechanism is used for clamping the sample in the detection channel to rotate and is transversely arranged between the detection channel and the laser detector.

In view of the above related technologies, the inventor believes that the sample is clamped and driven to rotate by the clamp plate, which results in that the detector cannot perform corresponding detection on the clamped part, generates a detection dead angle, and cannot detect the corresponding sample surface comprehensively.

Disclosure of Invention

For the convenience laser detector carries out omnidirectional detection to the sample, improves the accuracy that detects, this application provides a no dead angle pole appearance detection device.

The application provides a no dead angle pole appearance detection device adopts following technical scheme:

a device for detecting the appearance of a round bar without dead angles comprises a supporting mechanism and a detecting mechanism, wherein the detecting mechanism is connected with the supporting mechanism, the supporting mechanism is connected with a rotating mechanism, a driving mechanism, a fixing mechanism and a blanking mechanism, the detecting mechanism is used for detecting the appearance of a sample, the fixing mechanism is used for fixing the position of the sample, and the blanking mechanism is used for controlling the sample to enter and exit;

the rotating mechanism comprises a rotating roller, the rotating roller is connected with the supporting mechanism, the driving mechanism drives the rotating roller to rotate, and the rotating roller drives the sample to rotate.

Through adopting above-mentioned technical scheme, place the sample between two live rollers, fixed establishment fixes the position of sample, actuating mechanism drives the live roller and rotates, the live roller drives the sample and rotates, sample pivoted in-process detection mechanism detects the sample, the sample has saved splint to the sample centre gripping at the pivoted in-process to make detection mechanism carry out comprehensive detection to the sample, removed and detected the dead angle, thereby carry out comprehensive detection to the surface of sample.

Optionally, the rotating mechanism further comprises a driven rotating roller, the driven rotating roller is connected with the supporting mechanism, the driven rotating roller is in contact connection with the rotating roller, and the driven rotating roller is located between the rotating roller and the fixing mechanism.

Through adopting above-mentioned technical scheme, the live-rollers passes through the friction and drives driven live-rollers rotation, and driven live-rollers drives the sample and rotates to improve the synchronism between sample and the live-rollers, improved the holistic commonality of device.

Optionally, the supporting mechanism includes support frame and inlet pipe, the live-rollers rotates with the support frame to be connected, the equal fixed connection of driving motor, camera and light source is on the support frame, inlet pipe and support frame fixed connection, the inlet pipe is located between the live-rollers, the inlet pipe is located the one side that the camera was kept away from to the live-rollers.

Through adopting above-mentioned technical scheme, the support frame supports the live-rollers, conveniently places the sample between live-rollers and fixed establishment through the inlet pipe.

Optionally, the fixing mechanism includes a driving assembly and a fixing assembly, the driving assembly is connected with the supporting frame, and the fixing assembly is connected with the driving assembly;

the fixed component comprises swing rollers, the two ends of each swing roller are respectively connected with the two driving rollers in a rotating mode, the swing rollers are connected with the driving component, the swing rollers are located on one sides, far away from the camera, of the rotating rollers, and the swing rollers are located between the rotating rollers.

Through adopting above-mentioned technical scheme, the sample passes through the inlet pipe to between two live rollers and the swing roller, and the swing roller contradicts the sample, and the swing roller is fixed the position of sample, reduces the sample and takes place the unnecessary skew to improve the accuracy that detects, the swing roller rotates along with the sample emergence simultaneously, thereby reduces the sample and takes place scotch probably.

Optionally, drive assembly includes fixed motor, spring and two driving rod, fixed motor fixed connection is on the support frame, fixed motor's output shaft fixedly connected with swing piece, two rotate between the driving rod and be connected with the head rod, the head rod rotates with the support frame to be connected, two fixedly connected with second connecting rod between the driving rod, the head rod is located between second connecting rod and the swing piece, the both ends of swing roller rotate with the one end that swing piece was kept away from to two driving rod respectively and are connected, fixed pin and support frame fixed connection are passed through to the one end of spring, the other end of spring passes through fixed pin fixed connection and drives on the driving rod, the spring is used for drawing driving rod and removes towards driving roller one side.

Through adopting above-mentioned technical scheme, when needs examine the sample, start fixed motor, the output shaft of fixed motor drives the swing piece and moves, the swing piece promotes the drive rod and moves, the drive rod drives the swing roller and moves towards the direction of keeping away from the live-rollers, after the sample falls into the position between swing roller and two live-rollers, the output shaft antiport of fixed motor, the drive rod moves the swing roller towards the live-rollers under the effect of spring and contradicts the sample, thereby fix the position of sample.

Optionally, the fixing assembly further comprises a material blocking rod, the material blocking rod is fixedly connected with the support frame, and the material blocking rod is located between the swing roller and the rotating roller.

Through adopting above-mentioned technical scheme, at the in-process that the swing roll removed, the fender material pole blockked the sample, reduced the possibility that the sample dropped from the clearance between swing roll and the live-rollers.

Optionally, the fixing assembly further comprises a first limiting pin and a second limiting pin, the first limiting pin is fixedly connected with the support frame, the first limiting pin is located on one side, far away from the rotating roller, of the driving rod, the second limiting pin is fixedly connected with the support frame, and the second limiting pin is located on one side, close to the rotating roller, of the swinging piece.

Through adopting above-mentioned technical scheme, first spacer pin carries on spacingly to the amplitude of oscillation of drive rod, and the second spacer pin carries on spacingly to the amplitude of oscillation of swinging piece to reduce because of the clearance between swing roller and the live-rollers is too big, and the possibility that leads to the sample to drop.

Optionally, the blanking mechanism includes a driver and a striker plate, the driver is fixedly connected to the support frame, an output shaft of the driver is fixedly connected to the striker plate, and the striker plate is used for supporting a sample;

the driving mechanism comprises a driving motor, a first transmission belt is sleeved on an output shaft of the driving motor, the first transmission belt is sleeved on one rotating roller, a second transmission belt is sleeved on the other rotating roller, and the second transmission belt is sleeved on the other rotating roller.

Through adopting above-mentioned technical scheme, start driving motor, driving motor drives two live rollers through first drive belt and second drive belt and rotates, and the live roller drives from the live roller rotation, and from the live roller passes through frictional force and drives the sample rotation, and detection mechanism detects the sample. After the detection mechanism finishes detecting the sample, the output shaft of the driver contracts, and the material baffle contracts, so that the sample is separated from the rotating roller and the swinging roller, and the subsequent sample can be conveniently detected.

Optionally, the detection mechanism includes camera and light source, the equal fixed connection of camera and light source is on the support frame, the camera is connected with the driver electricity, the camera is connected with driving motor electricity, the camera is located between two live rollers, the camera is located one side of two live rollers, the light source is located one side that two live rollers are close to the camera.

Through adopting above-mentioned technical scheme, the sample is lighted to the light source to make things convenient for the camera to shoot the sample.

Optionally, the driving mechanism further includes an encoder, an output shaft of the encoder is in contact connection with the first transmission belt, and the encoder is electrically connected with the camera.

By adopting the technical scheme, the driving motor is started, the driving motor drives the two rotating rollers to rotate, the rotating rollers drive the sample to rotate, so that the detection mechanism detects the sample, and the camera continuously images according to the pulse signal of the encoder, thereby improving the detection precision of the camera.

In summary, the invention includes at least one of the following beneficial technical effects:

1. according to the device, the rotating rollers are arranged, a sample is placed between the rotating rollers, the fixing mechanism fixes the position of the sample, the driving mechanism drives the rotating rollers to rotate, the rotating rollers drive the sample to rotate, the detection mechanism detects the sample in the rotating process of the sample, and the clamping of a clamping plate for the sample is omitted in the rotating process of the sample, so that the detection mechanism can comprehensively detect the sample, detection dead angles are removed, and the detection precision of the device is improved;

2. according to the detection device, the swing rollers are arranged, when a sample needs to be detected, the fixing motor is started, the output shaft of the fixing motor drives the swing piece to move, the swing piece pushes the driving rod to move, the driving rod drives the swing roller to move towards the direction far away from the rotating rollers, when the sample falls into the position between the swing rollers and the two rotating rollers, the output shaft of the fixing motor rotates reversely, the driving rod moves towards the rotating rollers under the action of the springs to abut against the sample, so that the position of the sample is fixed, round bars with different diameters can be conveniently fixed, and therefore round bars with different specifications can be conveniently detected;

3. by arranging the material blocking rod, the material blocking rod blocks the sample in the moving process of the oscillating roller, and the possibility that the sample falls from the gap between the oscillating roller and the rotating roller is reduced;

4. this application is through having set up driven live-rollers, and the live-rollers drives driven live-rollers through the friction and rotates, and driven live-rollers drives the sample and rotates to improve the synchronism between sample and the live-rollers, improved the holistic commonality of device.

Drawings

Fig. 1 is a schematic structural diagram of a dead-corner-free round bar shape detection device in embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of a fixing mechanism in a dead-corner-free round bar shape detection device in embodiment 1 of the present invention.

Fig. 3 is a bottom view of a dead-corner-free round bar shape detection device according to embodiment 1 of the present invention.

Fig. 4 is a schematic structural diagram of a retainer plate and a lower panel in a dead-corner-free round bar shape detection device according to embodiment 1 of the present invention.

Fig. 5 is a schematic structural diagram of a dead-corner-free round bar shape detection device in embodiment 2 of the present invention.

Fig. 6 is a schematic structural diagram of a dead-corner-free round bar shape detection device in embodiment 3 of the present invention.

Description of the reference numerals: 1. a support mechanism; 11. a support frame; 111. an upper panel; 112. a lower panel; 113. a unit panel; 114. a placement groove; 12. a feed pipe; 2. a rotating mechanism; 21. a rotating roller; 22. a driven rotating roller; 3. a drive mechanism; 31. a drive motor; 32. a first drive belt; 33. a second belt; 34. an encoder; 4. a fixing mechanism; 41. a drive assembly; 411. fixing a motor; 412. a swinging member; 413. driving the rod; 414. a first connecting rod; 415. a second connecting rod; 416. a spring; 417. a fixing pin; 418. a first limit pin; 419. a second limit pin; 42. a fixing assembly; 421. a swing roll; 422. a material blocking rod; 5. a blanking mechanism; 51. a driver; 52. a striker plate; 6. a detection mechanism; 61. a camera; 611. a camera body; 612. a lens; 62. a light source.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The invention provides a first embodiment of a round bar shape detection device without a dead angle. Referring to fig. 1 and 2, the device for detecting the appearance of the round rod without the dead angle comprises a supporting mechanism 1 and a detecting mechanism 6, wherein the detecting mechanism 6 is connected with the supporting mechanism 1, and the supporting mechanism 1 is connected with a rotating mechanism 2, a fixing mechanism 4 and a blanking mechanism 5. The detecting mechanism 6 is used for detecting the appearance of the sample, the fixing mechanism 4 is used for fixing the position of the sample, and the blanking mechanism 5 is used for controlling the sample to enter and exit. The rotating mechanism 2 drives the sample to rotate, the detecting mechanism 6 detects the surface of the sample in the rotating process of the sample, the clamping of a clamping plate to the sample is omitted in the rotating process of the sample, and the detecting dead angle is removed, so that the detecting mechanism 6 can comprehensively detect the sample.

Referring to fig. 1, the supporting mechanism 1 includes a supporting frame 11 and a feeding pipe 12, the supporting frame 11 includes an upper panel 111 and a lower panel 112, the upper panel 111 and the lower panel 112 are fixedly connected together by a unit panel 113, the feeding pipe 12 is fixedly connected with the upper panel 111, and the feeding pipe 12 passes through the upper panel 111.

Referring to fig. 1, the rotating mechanism 2 includes two rotating rollers 21, two ends of the two rotating rollers 21 are respectively rotatably connected to the upper panel 111 and the lower panel 112, the driving mechanism 3 drives the two rotating rollers 21 to rotate, and the rotating rollers 21 drive the sample to rotate.

Referring to fig. 2 and 3, the driving mechanism 3 includes a driving motor 31, an output shaft of the driving motor 31 is sleeved with a first transmission belt 32, the first transmission belt 32 is sleeved on one of the rotating rollers 21, a second transmission belt 33 is sleeved on one of the rotating rollers 21, the second transmission belt 33 is sleeved on the other rotating roller 21, and the second transmission belt 33 is located on one side of the rotating roller 21 away from the first transmission belt 32.

Referring to fig. 2 and 3, when the driving motor 31 is started, the output shaft of the driving motor 31 drives the first transmission belt 32 to rotate, the first transmission belt 32 drives one rotating roller 21 to rotate, and the rotating roller 21 drives the other rotating roller 21 to rotate through the second transmission belt 33. The two rotating rollers 21 drive the sample to rotate, so that the detection mechanism 6 can conveniently and comprehensively detect the sample.

Referring to fig. 2, the fixing mechanism 4 includes a driving assembly 41 and a fixing assembly 42, the driving assembly 41 is connected to the upper panel 111, and the fixing assembly 42 is connected to the driving assembly 41.

Referring to fig. 1 and 2, the fixing assembly 42 includes a swing roller 421, the swing roller 421 is connected to the driving assembly 41, the swing roller 421 is located on a side of the two rotating rollers 21 away from the detecting mechanism 6, and the swing roller 421 is located between the two rotating rollers 21. The sample passes through the feed pipe 12 to between two rotating rollers 21 and the oscillating roller 421, and the oscillating roller 421 collides the sample, and the oscillating roller 421 fixes the position of the sample, so that unnecessary deflection of the sample is reduced, and the detection accuracy is improved.

Referring to fig. 2, the driving assembly 41 includes a fixed motor 411, two driving rods 413 and a spring 416, the fixed motor 411 is fixedly connected to the upper panel 111, an output shaft of the fixed motor 411 is fixedly connected with a swing member 412, a first connecting rod 414 is rotatably connected between the two driving rods 413, the first connecting rod 414 penetrates through the upper panel 111 and the lower panel 112, and the first connecting rod 414 is rotatably connected to the upper panel 111 and the lower panel 112, respectively. Fixedly connected with second connecting rod 415 between two drive rods 413, all seted up a plurality of activity holes on top panel 111 and the lower panel 112, second connecting rod 415 passes the activity hole, and second connecting rod 415 can remove in the activity hole. The first connecting rod 414 is located between the second connecting rod 415 and the swinging member 412, two ends of the swinging roller 421 are respectively rotatably connected with one ends of the two driving rods 413 far away from the swinging member 412, one end of the spring 416 is fixedly connected to the upper panel 111 through a fixing pin 417, the other end of the spring 416 is fixedly connected to the driving rod 413 through the fixing pin 417, and the spring 416 is used for pulling the driving rod 413 to move towards one side of the rotating roller 21.

Referring to fig. 2, when a sample needs to be detected, the fixed motor 411 is started, the output shaft of the fixed motor 411 drives the swing piece 412 to move, the swing piece 412 pushes the driving rod 413 to move, the driving rod 413 drives the swing roller 421 to move towards a direction away from the rotating rollers 21, when the sample falls into a position between the swing roller 421 and the two rotating rollers 21, the output shaft of the fixed motor 411 reversely rotates, the driving rod 413 moves towards the rotating rollers 21 under the action of the spring 416, so that the swing roller 421 collides with the sample, and the position of the sample is fixed.

Referring to fig. 2, the fixing assembly 42 further includes a striker rod 422, two ends of the striker rod 422 are fixedly connected to the upper panel 111 and the lower panel 112, respectively, and the striker rod 422 is located between the swing roller 421 and the rotating rod. In the process of the movement of the oscillating roller 421, the material blocking rod 422 blocks the sample, and the possibility that the sample falls from the gap between the oscillating roller 421 and the rotating roller 21 is reduced.

Referring to fig. 1 and 2, the fixing assembly 42 further includes a first limit pin 418 and a second limit pin 419, the first limit pin 418 is fixedly connected to the upper panel 111, and the first limit pin 418 is located on a side of the driving rod 413 away from the rotating roller 21. The first stopper pin 418 limits the swing width of the driving lever 413, thereby reducing the possibility that the sample falls due to an excessively large gap between the swing roller 421 and the rotating roller 21. The second limit pin 419 is fixedly connected to the upper panel 111, and the second limit pin 419 is located on a side of the swinging member 412 close to the rotating roller 21. The second limit pin 419 limits the swing width of the swing member 412, thereby reducing the possibility that the sample falls due to an excessively large gap between the swing roller 421 and the rotating roller 21.

Referring to fig. 3 and 4, the blanking mechanism 5 includes a driver 51 and a striker plate 52, the striker plate 52 is fixedly connected to an output shaft of the driver 51, a placing groove 114 is formed in the lower panel 112, the striker plate 52 is placed in the placing groove 114, and a through hole is formed in a bottom wall of the placing groove 114. The striker plate 52 is used to support the sample. After the detection mechanism 6 finishes detecting the sample, the output shaft of the driver 51 contracts, and the striker plate 52 contracts, so that the sample is separated from the through hole on the rotating roller 21 and the swing roller 421 and falls from the placing groove 114, and the subsequent sample can be detected conveniently.

Referring to fig. 2, the detecting mechanism 6 includes a camera 61 and a light source 62, the camera 61 is located between the two rotating rollers 21, the camera 61 is located at one side of the two rotating rollers 21, the camera 61 is electrically connected to the driving motor 31, and the light source 62 is located at one side of the two rotating rollers 21 adjacent to the camera 61. The camera 61 includes a camera body 611 and a lens 612. The light source 62 illuminates the sample so that the camera 61 takes a picture of the sample.

The working principle is as follows: when the fixed motor 411 is started, the output shaft of the fixed motor 411 drives the swing member 412 to move, the swing member 412 pushes the driving rod 413 to move, and the driving rod 413 drives the swing roller 421 to move towards the direction away from the rotating roller 21. The sample falls onto the material baffle plate 52 between the swing roller 421 and the two rotating rollers 21 through the material feeding pipe 12, the output shaft of the fixing motor 411 rotates in the reverse direction, the driving rod 413 moves the swing roller 421 towards the rotating rollers 21 under the action of the spring 416 to collide with the sample, and thus the position of the sample is fixed.

The driving motor 31 is started, the driving motor 31 drives the two rotating rollers 21 to rotate, the rotating rollers 21 drive the sample to rotate, and the camera 61 detects the sample.

After the camera 61 finishes detecting the sample, the output shaft of the driver 51 contracts, and the striker plate 52 contracts, so that the sample is separated from the rotating roller 21 and the swing roller 421, and the subsequent sample can be conveniently detected.

The second embodiment of the device for detecting the shape of the round bar without the dead angle, provided by the invention, is different from the first embodiment in that: referring to fig. 5, the driving mechanism 3 further includes an encoder 34, the two driven rollers 22 are rotatably connected to the upper panel 111 and the lower panel 112, respectively, the two driven rollers 22 are in contact with the two rotating rollers 21, respectively, and the two driven rollers 22 are located between the two rotating rollers 21 and the swing roller 421.

The working principle is as follows: the rotating roller 21 drives the driven rotating roller 22 to rotate, and the driven rotating roller 22 drives the sample to rotate, so that the synchronism between the sample and the rotating roller 21 is improved, and the overall universality of the device is improved.

The third embodiment of the device for detecting the shape of the round bar without the dead angle provided by the invention is different from the second embodiment in that: referring to fig. 6, the driving mechanism 3 further includes an encoder 34, an output shaft of the encoder 34 is in contact with the first belt 32, the encoder 34 is located between the rotating roller 21 and the driving motor 31, and the encoder 34 is electrically connected to the camera 61.

The working principle is as follows: the driving motor 31 drives the encoder 34 to rotate through the first transmission belt 32, the encoder 34 triggers a pulse signal to the camera 61 in the rotating process, and the camera 61 continuously images according to the pulse signal of the encoder 34, so that the detection precision is improved.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a no dead angle pole appearance detection device which characterized in that: the device comprises a supporting mechanism (1) and a detecting mechanism (6), wherein the detecting mechanism (6) is connected with the supporting mechanism (1), the supporting mechanism (1) is connected with a rotating mechanism (2), a driving mechanism (3), a fixing mechanism (4) and a blanking mechanism (5), the detecting mechanism (6) is used for detecting the appearance of a sample, the fixing mechanism (4) is used for fixing the position of the sample, and the blanking mechanism (5) is used for controlling the sample to enter and exit;

slewing mechanism (2) include live-rollers (21), live-rollers (21) are connected with supporting mechanism (1), actuating mechanism (3) drive live-rollers (21) rotate, live-rollers (21) drive the sample and rotate.

2. The dead-angle-free round bar shape detection device according to claim 1, characterized in that: slewing mechanism (2) still include driven roller (22) that changes, driven roller (22) that changes is connected with supporting mechanism (1), driven roller (22) that changes is connected with live-rollers (21) contact, driven roller (22) that changes is located between live-rollers (21) and fixed establishment (4).

3. The dead-corner-free round bar shape detection device according to claim 1 or 2, wherein: supporting mechanism (1) includes support frame (11) and inlet pipe (12), live-rollers (21) rotate with support frame (11) and are connected, driving motor (31), camera (61) and the equal fixed connection of light source (62) are on support frame (11), inlet pipe (12) and support frame (11) fixed connection, inlet pipe (12) are located between live-rollers (21), one side that camera (61) were kept away from in inlet pipe (12) are located live-rollers (21).

4. The dead-angle-free round bar shape detection device according to claim 3, characterized in that: the fixing mechanism (4) comprises a driving assembly (41) and a fixing assembly (42), the driving assembly (41) is connected with the support frame (11), and the fixing assembly (42) is connected with the driving assembly (41);

fixed subassembly (42) are including swing roller (421), the both ends of swing roller (421) rotate with two drive rods (413) respectively and are connected, swing roller (421) are connected with drive assembly (41), swing roller (421) are located rotation roller (21) and keep away from one side of camera (61), swing roller (421) are located between rotation roller (21).

5. The dead-angle-free round bar shape detection device according to claim 4, wherein: drive assembly (41) is including fixed motor (411), spring (416) and two drive pole (413), fixed motor (411) fixed connection is on support frame (11), the output shaft fixedly connected with swing piece (412) of fixed motor (411), two rotate between drive pole (413) and be connected with head rod (414), head rod (414) rotates with support frame (11) and is connected, two fixedly connected with second connecting rod (415) between drive pole (413), head rod (414) are located between second connecting rod (415) and swing piece (412), the both ends of swing roller (421) rotate with the one end that swing piece (412) were kept away from respectively to two drive pole (413) and are connected, the one end of spring (416) is through fixed pin (417) and support frame (11) fixed connection, the other end of spring (416) is through fixed pin (417) fixed connection on drive pole (413), spring (416) are used for drive pole (413) to move towards rotation roller (21) one side.

6. The dead-angle-free round bar shape detection device according to claim 5, wherein: the fixing assembly (42) further comprises a material blocking rod (422), the material blocking rod (422) is fixedly connected with the support frame (11), and the material blocking rod (422) is located between the swing roller (421) and the rotating roller (21).

7. The dead-angle-free round bar shape detection device according to claim 5, wherein: the fixing assembly (42) further comprises a first limiting pin (418) and a second limiting pin (419), the first limiting pin (418) is fixedly connected with the support frame (11), the first limiting pin (418) is located on one side, away from the rotating roller (21), of the driving rod (413), the second limiting pin (419) is fixedly connected with the support frame (11), and the second limiting pin (419) is located on one side, close to the rotating roller (21), of the swinging piece (412).

8. The dead-angle-free round bar shape detection device according to claim 7, wherein: the blanking mechanism (5) comprises a driver (51) and a baffle plate (52), the driver (51) is fixedly connected to the support frame (11), an output shaft of the driver (51) is connected with the baffle plate (52), and the baffle plate (52) is used for supporting a sample;

actuating mechanism (3) are including driving motor (31), the output shaft cover of driving motor (31) is equipped with first drive belt (32), first drive belt (32) cover is established on a live-rollers (21), one the cover is equipped with second drive belt (33) on live-rollers (21), second drive belt (33) cover is established on another live-rollers (21).

9. The dead-angle-free round bar shape detection device according to claim 8, wherein: detection mechanism (6) include camera (61) and light source (62), camera (61) are connected with driving motor (31) electricity, camera (61) are located between two live-rollers (21), camera (61) are located one side of two live-rollers (21), light source (62) are located one side that two live-rollers (21) are close to camera (61).

10. The dead-angle-free round bar shape detection device according to claim 8, characterized in that: the driving mechanism (3) further comprises an encoder (34), an output shaft of the encoder (34) is in contact connection with the first transmission belt (32), and the encoder (34) is electrically connected with the camera (61).