阅读说明：本技术 虾线自动去除装置及其虾线去除方法 (Automatic shrimp wire removing device and shrimp wire removing method thereof ) 是由 高兴文 金亦康 胡明 李健 赵德明 于 2020-05-12 设计创作，主要内容包括：本发明公开了虾线自动去除装置及其虾线去除方法。人工去除虾线劳动强度高、效率低。本发明包括构架、锥齿轮传动机构、进虾机构和虾线去除机构；虾线去除机构包括主轴、承载转盘、可调式夹具、端面凸轮机构、刀具、直流减速电机一和直流减速电机二。本发明自动去除虾线；两块辐板及两套可调式夹具交替循环工作,进一步提高了虾线去除作业的效率；定位槽和导向滚轮的双重定位作用,使得虾线能准确对齐圆刀片,提高了虾线去除作业的可靠性；承载转盘通过两块辐板及两个防撞口的设计,在进虾机构高效送虾的过程中,与进虾机构巧妙配合,躲避了对虾的碰撞。(The invention discloses an automatic shrimp wire removing device and a shrimp wire removing method thereof. The labor intensity of manually removing the shrimp lines is high, and the efficiency is low. The invention comprises a framework, a bevel gear transmission mechanism, a shrimp feeding mechanism and a shrimp wire removing mechanism; the shrimp wire removing mechanism comprises a main shaft, a bearing turntable, an adjustable clamp, an end face cam mechanism, a cutter, a first direct current speed reducing motor and a second direct current speed reducing motor. The invention automatically removes the shrimp wire; the two radial plates and the two sets of adjustable clamps alternately and circularly work, so that the efficiency of the shrimp wire removing operation is further improved; the positioning groove and the guide roller have double positioning functions, so that the shrimp wire can accurately align to the circular blade, and the reliability of the shrimp wire removing operation is improved; the bearing rotary table is ingeniously matched with the shrimp feeding mechanism in the process of feeding shrimps efficiently through the design of the two radial plates and the two anti-collision openings, so that collision of shrimps is avoided.)

1. Automatic shrimp line removing device, including framework, bevel gear drive mechanism, advance shrimp mechanism and shrimp line removing device, its characterized in that: the shrimp feeding mechanism comprises a chain transmission mechanism and a shrimp carrying groove; the chain transmission mechanism comprises a chain with lugs and a chain wheel; the driving shaft and the driven shaft are arranged at intervals and are supported on the framework through bearings; the two chain wheels are respectively fixed on the driving shaft and the driven shaft and are connected through a chain with lugs; a plurality of shrimp carrying grooves are uniformly distributed on the chain with the ears, and each shrimp carrying groove is fixed with one chain link of the chain with the ears;

the shrimp wire removing mechanism comprises a main shaft, a bearing turntable, an adjustable clamp, an end face cam mechanism, a guide roller, a cutter, a first direct current speed reducing motor and a second direct current speed reducing motor; the main shaft is connected with an output shaft of the direct current speed reducing motor I through a coupler and is connected with a driving shaft of the shrimp feeding mechanism through a bevel gear transmission mechanism; the bearing turntable comprises a central fixing plate and two radial plates which are integrally formed; the central fixing plate is fixed on the main shaft; the circumferential intervals of the two sides of the two radial plates form anti-collision openings; the arc surface of the radial plate is provided with a positioning groove; the two adjustable clamps are positioned in different anti-collision openings; the adjustable clamp comprises a movable clamping jaw, a clamp seat body, a compression spring and a torsion spring; the two movable clamping jaws are oppositely arranged; the through hole at one end of the movable clamping jaw is connected with the through hole of the clamp base body through a bolt and a nut to form a revolute pair, and the clamping plate is fixed at the other end of the movable clamping jaw; a torsion spring is sleeved on the bolt and provided with a pretightening force; two studs fixed on two sides of the clamp seat body penetrate through the through holes in the middle parts of the two movable clamping jaws and are respectively connected with a nut; a compression spring is sleeved on the stud; the clamp base bodies of the two adjustable clamps are fixedly connected with the two radial plates of the bearing turntable respectively; the end face cam mechanism comprises an end face cam and a bearing roller; two movable clamping jaws of the adjustable clamp and two bearing rollers respectively form a rotating pair, and the rotating axes of the two rotating pairs are parallel and are perpendicular to the axis of the main shaft; the two end cams are respectively arranged at two sides of the bearing turntable and respectively form cam pairs with the two bearing rollers; the end cam is fixed on the framework; the cutter comprises a circular blade and a circular brush piece; the circular blade is fixed on the cutter shaft; the circular brush piece is fixedly connected with the end face of the circular blade; the end surface of the circular brush piece back to the circular blade is provided with an integrally formed bulge; the cutter shaft is connected with an output shaft of the direct current speed reducing motor II through a coupler; the bases of the direct-current speed reduction motor I and the direct-current speed reduction motor II are fixed on the framework; the central axis of the cutter is parallel to the central axis of the bearing turntable; the circular blade of the cutter is aligned with the symmetrical surfaces of the two side walls of the positioning groove on the bearing turntable; the center distance between the cutter and the bearing rotary table is 3-5 mm larger than the sum of the diameter of a circular blade of the cutter and the diameter of an arc surface of a radial plate; the guide idler wheel is hinged on the framework and is arranged close to the bearing turntable; the central axis of the guide roller is parallel to the central axis of the cutter, and the two outer end faces of the guide roller are symmetrically arranged relative to the circular blade of the cutter.

2. The automatic shrimp wire removing apparatus as claimed in claim 1, wherein: each chain link of the chain with the lugs is fixed with the lug; the shrimp carrying grooves are fixed on the ear pieces.

3. The automatic shrimp wire removing apparatus as claimed in claim 1, wherein: the bevel gear transmission mechanism comprises a driven bevel gear and a driving bevel gear; the driving bevel gear is fixed on the driving shaft; the driven bevel gear is fixed on the main shaft and is meshed with the driving bevel gear.

4. The automatic shrimp wire removing apparatus as claimed in claim 1, wherein: the circular brush piece along circumference equipartition have a plurality of protruding groups of interval setting, protruding group including a plurality of archs of following the radial interval setting of circular brush piece.

5. The shrimp wire removing method of the automatic shrimp wire removing apparatus as claimed in any one of claims 1 to 4, wherein: the method comprises the following specific steps:

putting the shrimp bodies of the shrimps into the shrimp carrying groove to enable the shrimp heads of the shrimps to be exposed out of the shrimp carrying groove; the direct-current speed reduction motor I drives the main shaft and the bearing turntable on the main shaft to rotate, and drives the chain transmission mechanism through the bevel gear transmission mechanism, so that the translation of the shrimp carrying groove and the rotation of the bearing turntable are coordinated; when one shrimp carrying groove moves to the position of the bearing rotary table, one radial plate of the bearing rotary table just rotates from bottom to top to be opposite to the shrimp carrying groove, so that two movable clamping jaws of the adjustable clamp fixedly connected to the radial plate are positioned on two sides of the shrimp head; then, as the radial plate continues to rotate, the bearing roller passes through a return section of the end face cam, and the bearing roller drives the two movable clamping jaws to be close to clamp the shrimp heads under the acting force of the torsion spring; when the spoke plate continues to rotate upwards, the shrimp bodies are driven by the adjustable clamp to be brought into the positioning grooves of the spoke plate, and when the spoke plate rotates to the position of the guide roller, the position of the shrimp bodies is corrected by the guide roller, so that the shrimp wires are further positioned to be aligned with the circular blades of the cutter; when the spoke plate continues to drive the shrimps to rotate to the position of the cutter, the round blade of the cutter is used for opening the backs of the shrimps, and meanwhile, the round brush part is used for removing the shrimp wires from the shrimps; and finally, the bearing roller continuously rotates along with the radial plate to pass through a pushing section of the end face cam to drive the two movable clamping jaws to separate, and the movable clamping jaws loosen the heads of the shrimps to finish blanking of the shrimps.

Technical Field

The invention belongs to the technical field of machinery, and particularly relates to an automatic shrimp line removing device and a shrimp line removing method thereof.

Background

Shrimp is rich in protein, and has low fat and low calorie. However, the shrimp lines on the backs of the shrimps can affect the eating taste and the health, and for places such as restaurants and the like needing to treat the shrimps in large batch, the manual removal of the shrimp lines has high labor intensity and low efficiency, and the food sanitation can not be guaranteed.

Disclosure of Invention

The invention aims to provide a device and a method for automatically removing shrimp wires, which can safely and efficiently remove the shrimp wires.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the invention relates to an automatic shrimp wire removing device which comprises a framework, a bevel gear transmission mechanism, a shrimp feeding mechanism and a shrimp wire removing mechanism. The shrimp feeding mechanism comprises a chain transmission mechanism and a shrimp carrying groove; the chain transmission mechanism comprises a chain with lugs and a chain wheel; the driving shaft and the driven shaft are arranged at intervals and are supported on the framework through bearings; the two chain wheels are respectively fixed on the driving shaft and the driven shaft and are connected through a chain with lugs; a plurality of shrimp carrying grooves are uniformly distributed on the chain with the ears, and each shrimp carrying groove is fixed with one chain link of the chain with the ears;

the shrimp wire removing mechanism comprises a main shaft, a bearing turntable, an adjustable clamp, an end face cam mechanism, a guide roller, a cutter, a first direct current speed reducing motor and a second direct current speed reducing motor; the main shaft is connected with an output shaft of the direct current speed reducing motor I through a coupler and is connected with a driving shaft of the shrimp feeding mechanism through a bevel gear transmission mechanism; the bearing turntable comprises a central fixing plate and two radial plates which are integrally formed; the central fixing plate is fixed on the main shaft; the circumferential intervals of the two sides of the two radial plates form anti-collision openings; the arc surface of the radial plate is provided with a positioning groove; the two adjustable clamps are positioned in different anti-collision openings; the adjustable clamp comprises a movable clamping jaw, a clamp seat body, a compression spring and a torsion spring; the two movable clamping jaws are oppositely arranged; the through hole at one end of the movable clamping jaw is connected with the through hole of the clamp base body through a bolt and a nut to form a revolute pair, and the clamping plate is fixed at the other end of the movable clamping jaw; a torsion spring is sleeved on the bolt and provided with a pretightening force; two studs fixed on two sides of the clamp seat body penetrate through the through holes in the middle parts of the two movable clamping jaws and are respectively connected with a nut; a compression spring is sleeved on the stud; the clamp base bodies of the two adjustable clamps are fixedly connected with the two radial plates of the bearing turntable respectively; the end face cam mechanism comprises an end face cam and a bearing roller; two movable clamping jaws of the adjustable clamp and two bearing rollers respectively form a rotating pair, and the rotating axes of the two rotating pairs are parallel and are perpendicular to the axis of the main shaft; the two end cams are respectively arranged at two sides of the bearing turntable and respectively form cam pairs with the two bearing rollers; the end cam is fixed on the framework; the cutter comprises a circular blade and a circular brush piece; the circular blade is fixed on the cutter shaft; the circular brush piece is fixedly connected with the end face of the circular blade; the end surface of the circular brush piece back to the circular blade is provided with an integrally formed bulge; the cutter shaft is connected with an output shaft of the direct current speed reducing motor II through a coupler; the bases of the direct-current speed reduction motor I and the direct-current speed reduction motor II are fixed on the framework; the central axis of the cutter is parallel to the central axis of the bearing turntable; the circular blade of the cutter is aligned with the symmetrical surfaces of the two side walls of the positioning groove on the bearing turntable; the center distance between the cutter and the bearing rotary table is 3-5 mm larger than the sum of the diameter of a circular blade of the cutter and the diameter of an arc surface of a radial plate; the guide idler wheel is hinged on the framework and is arranged close to the bearing turntable; the central axis of the guide roller is parallel to the central axis of the cutter, and the two outer end faces of the guide roller are symmetrically arranged relative to the circular blade of the cutter.

Each chain link of the chain with the lugs is fixed with the lug; the shrimp carrying grooves are fixed on the ear pieces.

The bevel gear transmission mechanism comprises a driven bevel gear and a driving bevel gear; the driving bevel gear is fixed on the driving shaft; the driven bevel gear is fixed on the main shaft and is meshed with the driving bevel gear.

The circular brush piece along circumference equipartition have a plurality of protruding groups of interval setting, protruding group including a plurality of archs of following the radial interval setting of circular brush piece.

The shrimp wire removing method of the automatic shrimp wire removing device comprises the following specific steps:

putting the shrimp bodies of the shrimps into the shrimp carrying groove to enable the shrimp heads of the shrimps to be exposed out of the shrimp carrying groove; the direct-current speed reduction motor I drives the main shaft and the bearing turntable on the main shaft to rotate, and drives the chain transmission mechanism through the bevel gear transmission mechanism, so that the translation of the shrimp carrying groove and the rotation of the bearing turntable are coordinated; when one shrimp carrying groove moves to the position of the bearing rotary table, one radial plate of the bearing rotary table just rotates from bottom to top to be opposite to the shrimp carrying groove, so that two movable clamping jaws of the adjustable clamp fixedly connected to the radial plate are positioned on two sides of the shrimp head; then, as the radial plate continues to rotate, the bearing roller passes through a return section of the end face cam, and the bearing roller drives the two movable clamping jaws to be close to clamp the shrimp heads under the acting force of the torsion spring; when the spoke plate continues to rotate upwards, the shrimp bodies are driven by the adjustable clamp to be brought into the positioning grooves of the spoke plate, and when the spoke plate rotates to the position of the guide roller, the position of the shrimp bodies is corrected by the guide roller, so that the shrimp wires are further positioned to be aligned with the circular blades of the cutter; when the spoke plate continues to drive the shrimps to rotate to the position of the cutter, the round blade of the cutter is used for opening the back of the shrimps, and meanwhile, the round brush part is used for removing the shrimp wires from the shrimps. And finally, the bearing roller continuously rotates along with the radial plate to pass through a pushing section of the end face cam to drive the two movable clamping jaws to separate, and the movable clamping jaws loosen the heads of the shrimps to finish blanking of the shrimps.

The invention has the beneficial effects that:

1. the invention can automatically remove the shrimp lines, avoid the damage of the shrimp heads and ensure the beauty of the shrimps; meanwhile, the labor intensity is reduced, the shrimp line removing efficiency is improved, and cleanness and sanitation of the shrimps are guaranteed when the shrimps are removed.

2. The two radial plates and the two sets of adjustable clamps alternately and circularly work, so that the efficiency of the shrimp line removing operation is further improved; the positioning groove and the guide roller have double positioning functions, so that the shrimp wire can accurately align to the circular blade, and the reliability of the shrimp wire removing operation is improved; the bearing rotary table is ingeniously matched with the shrimp feeding mechanism in the process of feeding shrimps efficiently through the design of the two radial plates and the two anti-collision openings, so that collision of shrimps is avoided.

3. The adjustable clamp is adjusted, so that the adjustable clamp can be suitable for removing the shrimp lines of shrimps with large size difference.

4. The invention only needs two powers to realize the full-automatic removal work of the shrimp line, and has simple structure and reliable work.

Drawings

Fig. 1 is a perspective view showing the overall structure of the automatic shrimp line removing apparatus of the present invention.

Fig. 2 is a perspective view showing the structure of the shrimp feeding mechanism of the present invention.

Fig. 3 is a schematic structural view of a shrimp wire removing mechanism in the present invention.

FIG. 4 is a schematic view of an adjustable clamp according to the present invention.

Fig. 5 is a plan view of the automatic shrimp wire removing apparatus of the present invention.

Fig. 6 is a right side view of fig. 5.

Fig. 7 is a schematic diagram of the relative positions of the shrimps and the carrying turntable in the invention.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

Referring to fig. 1, 5 and 6, the automatic shrimp wire removing apparatus includes a frame 25, a bevel gear transmission 26, a shrimp feeding mechanism 27 and a shrimp wire removing mechanism 28.

Referring to fig. 2, the shrimp feeding mechanism 27 includes a chain transmission mechanism 29 and a shrimp carrying tank 1; the chain transmission mechanism 29 comprises a lug chain 2 and a chain wheel 3; the driving shaft and the driven shaft are arranged at intervals and are supported on the framework 25 through bearings; the two chain wheels 3 are respectively fixed on the driving shaft and the driven shaft and are connected through a chain 2 with lugs (each chain link is fixed with a lug); a plurality of shrimp carrying grooves 1 are uniformly distributed on the chain 2 with the ears, and each shrimp carrying groove 1 is fixed with one chain link of the chain 2 with the ears; the chain transmission mechanism 29 is used for realizing the horizontal movement of the shrimps.

Referring to fig. 3, 4, 5 and 7, the shrimp wire removing mechanism 28 includes a main shaft 5, a bearing turntable 6, an adjustable clamp 30, an end cam mechanism 31, a guide roller 15, a cutter 32, a first dc gear motor 4 and a second dc gear motor 16. The main shaft 5 is connected with an output shaft of the direct current speed reducing motor I4 through a coupler and is connected with a driving shaft of the shrimp feeding mechanism 27 through a bevel gear transmission mechanism 26; the bearing rotary table 6 comprises a central fixed plate and two radial plates which are integrally formed; the central fixing plate is fixed on the main shaft 5; the circumferential intervals of the two sides of the two radial plates form anti-collision openings, and the anti-collision openings prevent the next shrimp to be clamped from falling off due to the fact that the next shrimp is touched by the radial plates; the arc surface of the radial plate is provided with a positioning groove for positioning the shrimp body; the two adjustable clamps 30 are positioned in different anti-collision openings; the adjustable clamp 30 comprises a movable clamping jaw 7, a clamp seat body 8, a compression spring 9 and a torsion spring 12; the two movable clamping jaws 7 are oppositely arranged; a through hole at one end of the movable clamping jaw 7 is connected with a through hole of the clamp base body 8 through a bolt 13 and a nut 11 to form a revolute pair, and a clamping plate is fixed at the other end of the movable clamping jaw; a torsion spring 12 is sleeved on the bolt 13, and the torsion spring 12 is provided with pretightening force; two studs fixed on two sides of the clamp seat body 8 penetrate through holes in the middle of the two movable clamping jaws 7 and are respectively connected with a nut 11; a compression spring 9 is sleeved on the stud; the distance between the clamp seat body 8 and the middle part of the movable clamping jaw 7 is controlled by the nut 11 so as to adjust the gap between the two clamping plates when the two movable clamping jaws 7 clamp, thereby realizing the adaptive adjustment of shrimps with larger size difference; the clamp base bodies 8 of the two adjustable clamps 30 are fixedly connected with the two radial plates of the bearing turntable 6 respectively, and the clamp base bodies 8 can be connected with the radial plates through screws one 10; the end face cam mechanism 31 controls the adjustable clamp 30 to open and close so as to clamp and discharge the shrimps 24; the end cam mechanism 31 includes an end cam 21 and a bearing roller 14; two movable clamping jaws of the adjustable clamp 30 and the two bearing rollers 14 respectively form a rotating pair, and the rotating axes of the two rotating pairs are parallel and are perpendicular to the axis of the main shaft 5; the two end cams 21 are respectively arranged at two sides of the bearing turntable 6 and respectively form a cam pair with the two bearing rollers 14; the end cam 21 is fixed on the frame 25; the cutter 32 includes a circular blade 17 and a circular brush 18; the circular blade 17 is fixed on the tool shaft 20; the circular brush piece 18 is fixedly connected with the end face of the circular blade 17 through a second screw 19; the round blade 17 is used for cutting the back of the shrimp; the end surface of the circular brush 18 back to the circular blade 17 is provided with an integrally formed bulge for removing the shrimp wire; the cutter shaft 20 is connected with an output shaft of the direct current speed reducing motor II 16 through a coupler; the bases of the first direct-current speed reduction motor 4 and the second direct-current speed reduction motor 16 are fixed on the framework 25; the central axis of the cutter 32 is arranged in parallel with the central axis of the bearing turntable 6; the circular blades of the cutter 32 are aligned with the symmetrical surfaces of the two side walls of the positioning groove on the bearing turntable 6; because the shrimp body is higher than the top of the positioning groove when in the positioning groove and is generally higher than 3-5 mm, the center distance between the cutter 32 and the bearing turntable 6 is set to be larger than the sum of the diameter of the circular blade of the cutter 32 and the diameter of the circular arc surface of the radial plate by k, and the k is taken out in 3-5 mm; the guide roller 15 is hinged on the framework 25 and is arranged close to the bearing turntable 6; the central axis of the guide roller 15 is parallel to the central axis of the cutter 32, and the two outer end faces of the guide roller 15 are symmetrically arranged with respect to the circular blade of the cutter 32. The guide rollers 15 serve to ensure the centring of the shrimp 24 when removing the shrimp line, to align the shrimp line with the circular blade of the knife 32 and to prevent the shrimp bodies of the shrimps 24 from falling off the carrying turntable 6 when cutting.

Referring to fig. 5, as a preferred embodiment, the bevel gear transmission 26 includes a driven bevel gear 22 and a drive bevel gear 23; the driving bevel gear 23 is fixed on the driving shaft; the driven bevel gear 22 is fixed to the main shaft 5 and is engaged with the drive bevel gear 23.

Referring to fig. 3, as a preferred embodiment, a plurality of protrusion sets arranged at intervals are uniformly distributed along the circumferential direction of the circular brush 18, and the protrusion sets include three protrusions arranged at intervals along the radial direction of the circular brush 18.

The shrimp wire removing method of the automatic shrimp wire removing device comprises the following specific steps:

putting the body of the shrimp 24 into the shrimp carrying groove 1 to expose the head of the shrimp 24 out of the shrimp carrying groove 1; the direct-current speed reducing motor I4 drives the main shaft 5 and the bearing rotary table 6 on the main shaft 5 to rotate, and drives the chain transmission mechanism 29 through the bevel gear transmission mechanism 26, so that the translation of the shrimp carrying groove 1 and the rotation of the bearing rotary table 6 move in a coordinated manner; when one shrimp carrying groove 1 moves to the position of the bearing rotary table 6, one radial plate of the bearing rotary table 6 just rotates from bottom to top to be opposite to the shrimp carrying groove 1, so that two movable clamping jaws 7 of the adjustable clamp 30 fixedly connected to the radial plate are positioned at two sides of the shrimp head; then, as the spoke plate continues to rotate (the rotating angle is smaller), the bearing roller 14 passes through the return segment of the end face cam 21, and the bearing roller 14 drives the two movable clamping jaws 7 to close to clamp the shrimp heads under the acting force of the torsion spring 12; then, when the spoke plate continues to rotate upwards, the shrimp bodies are brought into the positioning grooves of the spoke plate, and when the spoke plate rotates to the position of the guide roller 15, the position of the shrimp bodies is corrected by the guide roller 15, so that the shrimp lines are further positioned to be aligned with the circular blades 17 of the cutter 32; as the web continues to rotate the shrimp 24 to the knife 32 position, the circular blades 17 of the knife 32 back-cut the shrimp while the circular brush 18 removes the shrimp line from the shrimp. Finally, the bearing roller 14 continuously rotates along with the spoke plate and passes through the pushing section of the end face cam 21 to drive the two movable clamping jaws 7 to separate, the movable clamping jaws 7 loosen the heads of the shrimps, and the blanking of the shrimps 24 is completed. At this point, the shrimp wire removing operation is completed.

The two radial plates and the two sets of adjustable clamps 30 alternately and circularly work, so that the efficiency of the shrimp line removing operation is improved; the positioning groove and the guide roller 15 have double positioning functions, so that the shrimp wires can be accurately aligned with the circular blades 17, and the reliability of the shrimp wire removing operation is improved; the bearing rotary table 6 is ingeniously matched with the shrimp feeding mechanism 27 in the process of feeding shrimps to the shrimp feeding mechanism 27 efficiently through the design of the two radial plates and the two anti-collision ports, and collision of shrimps is avoided. The invention only needs two powers to realize the full-automatic removal work of the shrimp line.