CN206808568U - A kind of segmented prawn head-removed device - Google Patents

Abstract

A kind of segmented prawn head-removed device, mainly by frame, convey feed mechanism, come into line detent mechanism, decaptitating mechanism, hold-down mechanism, chain tensioning mechanism forms, the prawn for the directional that sorted in V-groove is transported to decaptitating station under the drive of the chain of conveying feed mechanism, hold-down mechanism prawn body is compressed, prawn head is dialed by the cutting of decaptitating mechanism cutting disc and the high speed rotation of driving lever, prawn head and the remaining junction of shrimp body are interrupted, the shrimp body for finally being finished decaptitating by conveying feed mechanism is sent out, to complete the decaptitating of prawn work.

Description

A kind of segmented prawn head-removed device

Technical field

The utility model embodiment is related to a kind of prawn head-removed device, especially in prawn in process is peeled off in mechanical automation Decaptitating work.

Background technology

A large amount of harmful heavy metals are contained on the head of prawn, people's more prawns progress decaptitating processing when edible, Important step in technique that the decaptitating of prawn is worked and prawn is mechanically peeled off, in follow-up prawn stripping Sales work, remove The head of prawn can prevent the tissue on prawn head from being polluted to peeled shrimp.At present, the decaptitating work of prawn manually comes mostly Complete, for the power that lightens one's labor, improve peeled shrimp crudy, it is very necessary to design a kind of prawn head-removed device.

The content of the invention

A kind of segmented prawn head-removed device, mainly by frame, convey feed mechanism, come into line detent mechanism, decaptitating mechanism, Hold-down mechanism, chain tensioning mechanism composition, the conveying feed mechanism is arranged on above frame, described to come into line detent mechanism installation In the side of conveying feed mechanism, the decaptitating mechanism is arranged close to convey the side among feed mechanism, the compacting machine Structure is arranged on the top of conveying feed mechanism, and the chain tensioning mechanism is arranged in frame and matched with conveying feed mechanism Close；The conveying feed mechanism is mainly made up of bearing block, power transmission shaft, chain drum, chain, V-groove, and the V-groove is multiple side by side On the chain, the chain is arranged on the power transmission shaft by chain drum, and the power transmission shaft passes through bearing block and machine Frame is installed together；The detent mechanism that comes into line is made up of support frame, U-bolt, regulating bolt, location-plate etc., the support Frame is fixed in frame by the U-bolt, and side plate is stretched out in the side of support frame, and dovetail groove is provided with side plate, described Location-plate is arranged on dovetail groove, and the part on the close top of support frame is provided with screwed hole, and regulating bolt passes through on support frame Screwed hole adjusts the distance of location-plate, so as to realize comes into line positioning to the prawn of different stage；The decaptitating mechanism is main Dialed prawn head part by cutting disc cut portion and driving lever rotation and formed, wherein, cutting disc cut portion is mainly by turbine Leading screw, direct current generator, guide rail slide block, supporting plate, cutting disc, blade shaft etc. form, and the base of the worm screw is fixedly mounted In head cutter frame, flange is installed at the top of worm screw, the direct current generator is fixed on flange and passes through shaft coupling It is connected with the blade shaft for being provided with the cutting disc, the blade shaft is coordinated by bearing block and the supporting plate, the branch The both ends of fagging are fixed with the sliding block, and the sliding block is arranged on the guide rail being bolted with frame, driving lever rotating part Divide and be made up of direct current generator, shaft coupling, supporting plate, motor supporting plate, bearing block, driving lever base, driving lever etc., the supporting plate is fixed In frame, the shaft coupling connects motor and the shift lever axis and is fixed on by bearing block in supporting plate, shift lever axis One end driving lever base is installed, the driving lever base in a circumferential direction and is provided with screwed hole, and one end of driving lever is provided with spiral shell Line simultaneously closes with the corresponding threaded holes of driving lever base；The chain tensioning mechanism is by tensioning wheel, connecting plate, spring, water-sealed bearing, L Type link, fixed support composition, together with the tensioning wheel is bolted on connecting plate, cunning is provided with the connecting plate Groove, one end of the spring are bolted on the chute on connecting plate, hook and institute of the other end by spring itself The side for stating L-type link coordinates, and the L-type link is connected with connecting plate by water-sealed bearing, the opposite side of L-type link Coordinate with the fixed support, the fixed support is opened chute by fixed support side with L-type link and is engaged, L-type Link realizes regulation installation site with fixed support by the fixation of chute diverse location, and support bracket fastened opposite side passes through The frame of bolt and device is fixed together；The hold-down mechanism is mainly by axle, driving pulley, V-belt, compression belt wheel, compression Band, driven pulley and driven shaft composition, the driving pulley are arranged on conveying feed mechanism power transmission shaft and pass through the triangle Band is engaged with the driven pulley, and driven pulley and the compression belt wheel are arranged in frame by the axle, in holddown belt Holddown belt is installed on wheel；The chain tensioning mechanism is by groups such as frame, bearing block, bearing block support plate, bolt, nut, screw rods Into wherein frame and the bearing block support plate top has chute, and the bearing block is consolidated by bolt and bearing block support plate Be scheduled in frame, bolt is fixed through bearing block with the chute in bearing block support plate and frame, bearing block support plate it is another Side is provided with screwed hole, and the screw rod is connected by its screwed hole with frame, and the nut is engaged with screw rod, passes through rotary screw On nut, the elastic of the pretightning force of chain can be adjusted.

Brief description of the drawings

Fig. 1 is structural design drawing of the present utility model.

Fig. 2 is decaptitating mechanism cutting disc cut portion structural representation described in the utility model.

Fig. 3 is the structural representation of chain tensioning mechanism described in the utility model.

Fig. 4 is described in the utility model to come into line detent mechanism schematic diagram.

In figure：1st, V-groove；2nd, direct current generator；3rd, driving lever；4th, cutting disc；5th, attitude reference device is come into line；6th, bearing block 7, chain Bar；8th, frame；9th, belt wheel is compressed；10th, chain tensioning mechanism；11st, holddown belt；12nd, driven pulley；13rd, V-belt；14th, actively Belt wheel；15th, chain drum；16th, disk knife plate；17th, guide rail slide block；18th, supporting plate；19th, shaft coupling；20th, motor；21st, motor；22、 Ring flange；23rd, worm and gear；24th, handwheel；25th, tensioning wheel；26th, shank of bolt；27th, locking nut；28th, connecting plate；29th, spring； 30th, fixed support；31st, L-type connecting bracket；32nd, water-sealed bearing；33rd, regulating bolt；34th, location-plate；35th, U-bolt；36th, machine Set a roof beam in place；37 support frames.

Embodiment

When carrying out prawn decaptitating work, the prawn after orienting that will sort is delivered to V-groove 1, and Direction Finder is come into line by prawn Headfirst the unified posture of abdomen upward lies low in V-groove 1 for prawn holding after structure orientation, and wherein prawn head is vacantly in V-type Outside groove 1, the positioning on wherein head can come into line detent mechanism according to the prawn adjusting means of different stage so that same rank Prawn head comes into line, i.e., shrimp body lies low in V-groove 1 and shrimp head is vacantly outside V-groove 1.Will be in V-type under the drive of chain 7 The prawn for the directional that sorted in groove 1 is transported to decaptitating station, is wherein belt hold-down mechanism directly over decaptitating station, guarantee pair Shrimp during decaptitating by external force after without being shifted over or deflecting, wherein decaptitating process is divided into two processes：First Process is cutting disc cutting process, and the height of cutting disc 4 affects decaptitating effect and success rate, can by pre-stage test Know, the position of best results is the position that cutting disc 4 can cut to about half left and right of the cephalothorax thickness of prawn, now prawn Cephalothorax be not properly separated and still have adhesion；Second operation work is to lean on driving lever on the basis of first of cutting disc process is cut 3 high speed rotation is dialed to prawn head, and prawn head and the remaining junction of shrimp body are interrupted, complete the decaptitating of prawn Process.Prawn is completed under the collective effect of the rotation of the high speed of cutting disc 4 and driving lever 3, the feeding of conveying mechanism and hold-down mechanism Decaptitating works.

During in order to ensure that prawn reaches decaptitating station, avoid occurring between holddown belt 11 and prawn relative motion so as to right Shrimp produces friction and make it that side turn occurs for prawn or prawn body produces damage, in the course of conveying of prawn, the conveying side of chain 7 It is in reverse to the rotation direction with holddown belt 11, in order that obtaining the linear speed of the linear velocity of the conveying of chain 7 and the holddown belt 11 of top Degree keeps constantly equal, by calculating sprocket wheel 15 and compressing the diameter ratio of belt wheel 9, designs two compression belt wheels 9, and cause The arranged crosswise of V-belt 13 of power is transmitted between driving pulley 14 and driven pulley 12, so as to realize prawn in decaptitating process In to the steady compression of prawn.

Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that： It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc. With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology The spirit and scope of scheme.

Claims (2)

1. a kind of segmented prawn head-removed device, mainly by frame, convey feed mechanism, come into line detent mechanism, decaptitating mechanism, pressure Tight mechanism, chain tensioning mechanism composition, the conveying feed mechanism are arranged on above frame, and the detent mechanism that comes into line is arranged on The side of feed mechanism is conveyed, the decaptitating mechanism is arranged close to convey the side among feed mechanism, the hold-down mechanism Installed in the top of conveying feed mechanism, the chain tensioning mechanism is arranged in frame and is engaged with conveying feed mechanism.

A kind of 2. segmented prawn head-removed device according to claim 1, it is characterised in that the chain tensioning mechanism by Tensioning wheel, connecting plate, spring, water-sealed bearing, L-type link, fixed support composition, the tensioning wheel pass through bolt with connecting plate It is fixed together, chute is provided with the connecting plate, one end of the spring is bolted on the chute on connecting plate, The other end is coordinated by the hook of spring itself and the side of the L-type link, and the L-type link and connecting plate pass through institute State water-sealed bearing to be connected, the fixed support is opened chute by fixed support side with L-type link and is engaged, fixed support Opposite side be fixed together by the frame of bolt and device.