CN-121988544-A - Shell sieving mechanism

CN121988544ACN 121988544 ACN121988544 ACN 121988544ACN-121988544-A

Abstract

The invention provides a shell screening device, which relates to the technical field of shell screening and comprises a conveying mechanism, a screening mechanism and a screening efficiency, wherein the conveying mechanism comprises a conveying base and a conveying belt, the detecting mechanism comprises an orientation detecting assembly and a flaw detecting assembly which are positioned above the conveying belt and are respectively used for detecting the placement orientation and surface flaw condition of shells, the screening mechanism comprises at least one screening assembly arranged on one side of the conveying base and a discharge outlet arranged on the other side of the conveying base, each screening assembly comprises a pushing driving part and a pushing plate arranged at the output end of the pushing driving part, when the orientation detecting assembly and the flaw detecting assembly identify abnormal shells, the corresponding pushing driving parts drive the pushing plates to move across the conveying belt and push the abnormal shells into the discharge outlet to be discharged.

Inventors

WANG MEIXIA
HUANG LING
YU QINGYUAN
CAO XIAOHUA

Assignees

江西小目标贝类股份有限公司

Dates

Publication Date: 20260508
Application Date: 20260204

Claims (10)

1. A shell screening apparatus, the apparatus comprising: a conveying mechanism, a detecting mechanism and a screening mechanism; The conveying mechanism comprises a conveying base and a conveying belt arranged on the conveying base, and the conveying belt is used for continuously conveying multiple rows of shells which are uniformly arranged at intervals; The detection mechanism is arranged on the conveying base and comprises an orientation detection assembly and a flaw detection assembly which are positioned above the conveying belt and are respectively used for detecting the placement orientation of shells and the surface flaw condition; The screening mechanism comprises at least one screening component arranged on one side of the conveying base and a discharge port arranged on the other side of the conveying base, the output ends of the orientation detection component and the flaw detection component are respectively provided with a corresponding screening component, and each screening component comprises a pushing driving piece and a pushing plate arranged at the output end of the pushing driving piece; When the orientation detection assembly and the flaw detection assembly identify abnormal shells, the corresponding pushing driving piece drives the pushing plate to move across the conveying belt, and the abnormal shells are pushed into the discharge port to be discharged.
2. The shell screening device according to claim 1, wherein the side wall of the pushing plate is further provided with an adsorption driving assembly and an adsorption assembly arranged at the output end of the adsorption driving assembly, the adsorption assembly comprises an adsorption box arranged at the output end of the adsorption driving assembly and an adsorption head arranged at the bottom of the adsorption box, and the adsorption head is driven to move towards the conveying belt by driving the adsorption driving assembly so as to adsorb dispersed abnormal shells.
3. The shell screening device according to claim 2, wherein the side wall of the pushing plate is provided with a sliding groove, the sliding groove is provided with a sliding rod along the length direction of the sliding groove, the adsorption driving assembly is connected with the pushing plate through a connecting piece, one end of the connecting piece is sleeved on the sliding rod and can slide along the length direction of the sliding groove, the sliding rod is further sleeved with an elastic piece, one end of the elastic piece abuts against the inner wall of the sliding groove, and the other end of the elastic piece abuts against the connecting piece and is used for pushing the connecting piece to reset along the length direction of the sliding groove after the connecting piece moves.
4. The shell screening device according to claim 3, wherein the connecting piece is further connected with a positioning assembly, and the positioning assembly comprises a positioning driving piece connected with the connecting piece and a positioning plate arranged at the output end of the positioning driving piece, and is used for driving the positioning plate to abut against the conveying belt through driving the positioning driving piece to move synchronously with the conveying belt to keep positioning when abnormal shells are adsorbed.
5. The shell screening device according to claim 4, wherein the positioning plate is provided with a mounting groove, and a rotating roller is rotatably connected inside the mounting groove.
6. The shell screening device according to claim 5, wherein a flexible sleeve is sleeved on the outer side of the rotating roller, a strip-shaped groove is formed in the conveying belt, and the flexible sleeve can be embedded into the strip-shaped groove in a deformable mode.
7. The shell screening device according to claim 4, wherein a guide assembly is arranged on the positioning plate, the guide assembly comprises a guide vertical rod, a guide cross rod and a damping piece, one end of the guide cross rod is propped against the guide vertical rod, the other end of the guide cross rod is connected with the damping piece, the guide vertical rod is vertically connected to the side wall of the positioning plate, and an inclined guide surface is arranged on one side of the guide vertical rod facing the guide cross rod; When the locating plate descends, the guide vertical rod moves downwards along with the locating plate, the inclined guide surface pushes the guide cross rod to drive the damping piece to move towards the direction of the sliding rod and abut against the surface of the sliding rod, damping limiting is achieved, and when the locating plate ascends, the elastic reset piece pulls the guide cross rod to reset and drive the damping piece to be separated from the sliding rod.
8. The shell screening device according to claim 7, wherein the connecting piece is further connected with a supporting frame, a sliding through hole is formed in the supporting frame, the guide cross rod is slidably inserted into the sliding through hole, the elastic resetting piece is sleeved on the outer side of the guide cross rod, one end of the elastic resetting piece abuts against the side wall of the damping piece, and the other end of the elastic resetting piece abuts against the inner side wall of the supporting frame.
9. The shell screening device according to claim 7, wherein the sliding rod surface has a roughened surface, and the roughness of the roughened surface increases gradually in a direction in which the sliding rod is away from the connecting member.
10. The shell screening device according to claim 1, wherein the pushing plate is further provided with a pushing component, the pushing component comprises a pushing driving piece and a pushing plate arranged at the output end of the pushing driving piece, the bottom of the pushing plate is provided with a slot, the pushing plate is slidably connected in the slot, the pushing plate is driven to abut against the surface of the conveying belt by driving the pushing driving piece, and the pushing plate is driven to move across the conveying belt by the corresponding pushing driving piece to push the whole row of abnormal shells into the discharge port to be discharged.

Description

Shell sieving mechanism Technical Field The invention relates to the technical field of shell screening, in particular to a shell screening device. Background In the processing flow of shell artware, shell raw materials need to be processed through a plurality of working procedures, wherein a screening link is particularly critical, classification is finished according to specifications, flaws such as surface cracks and the like need to be specially screened, defective raw materials which do not meet processing requirements are removed, and subsequent processing quality is guaranteed. The working flow of the existing shell screening device is that shells are conveyed onto a conveying belt of the screening device through a vibration sorting machine, cracks on the surfaces of the shells are detected through a detection part above the conveying belt, and then qualified shells and defective shells are separated according to detection results. However, the shells on the conveying belt can be randomly oriented with the convex surfaces upwards or the concave surfaces upwards, because the shells are more in convex surface mottle, the concave surfaces are less and cleaner in mottle, and the mottle is easy to cause serious interference to flaw detection when the convex surfaces are upwards, so that algorithm analysis is carried out for a longer time, screening efficiency is reduced, detection errors are increased, and screening accuracy is influenced. Disclosure of Invention Based on this, the present invention aims to provide a shell screening device, which aims to solve at least one problem in the background art. The invention provides a shell screening device, which comprises: a conveying mechanism, a detecting mechanism and a screening mechanism; The conveying mechanism comprises a conveying base and a conveying belt arranged on the conveying base, and the conveying belt is used for continuously conveying multiple rows of shells which are uniformly arranged at intervals; The detection mechanism is arranged on the conveying base and comprises an orientation detection assembly and a flaw detection assembly which are positioned above the conveying belt and are respectively used for detecting the placement orientation of shells and the surface flaw condition; The screening mechanism comprises at least one screening component arranged on one side of the conveying base and a discharge port arranged on the other side of the conveying base, the output ends of the orientation detection component and the flaw detection component are respectively provided with a corresponding screening component, and each screening component comprises a pushing driving piece and a pushing plate arranged at the output end of the pushing driving piece; When the orientation detection assembly and the flaw detection assembly identify abnormal shells, the corresponding pushing driving piece drives the pushing plate to move across the conveying belt, and the abnormal shells are pushed into the discharge port to be discharged. Further, the lateral wall of impeller still is equipped with and adsorbs drive assembly and locates adsorb drive assembly's output adsorb the subassembly, adsorb the subassembly including locating adsorb the adsorption case of drive assembly's output, locate adsorb the absorption head of case bottom, drive through the drive adsorb drive assembly drive adsorb the head orientation the conveyer belt motion to adsorb the unusual shell of dispersion. Further, the lateral wall of push plate is equipped with the sliding tray, the sliding tray is equipped with the slide bar along its length direction, adsorb drive assembly pass through the connecting piece with the push plate is connected, the one end cover of connecting piece is located on the slide bar, and can follow slide tray length direction slides, still the cover is equipped with the elastic component on the slide bar, the one end of elastic component supports and leans on the inner wall of sliding tray, the other end supports and leans on the connecting piece is used for promoting it to follow after the connecting piece removes slide tray length direction resets. Further, the connecting piece is further connected with a positioning assembly, the positioning assembly comprises a positioning driving piece connected with the connecting piece and a positioning plate arranged at the output end of the positioning driving piece, and the positioning assembly is used for driving the positioning plate to abut against the conveying belt through driving the positioning driving assembly when abnormal shells are adsorbed, and synchronously moves with the conveying belt to keep positioning. Further, the locating plate is provided with a mounting groove, and a rotating roller is rotatably connected in the mounting groove. Further, the flexible sleeve is sleeved on the outer side of the rotating roller, the conveying belt is provided with a strip-shaped groove, and the flexible sleeve can b