CN107873815B

CN107873815B - Oyster shell picking machine and using method thereof

Info

Publication number: CN107873815B
Application number: CN201711413397.7A
Authority: CN
Inventors: 施火结; 谢宇; 陈辉; 任金波
Original assignee: Fujian Agriculture and Forestry University
Current assignee: Fujian Agriculture and Forestry University
Priority date: 2017-12-24
Filing date: 2017-12-24
Publication date: 2023-04-25
Anticipated expiration: 2037-12-24
Also published as: CN107873815A

Abstract

The invention provides an oyster shell picking machine and a method thereof, the oyster shell picking machine comprises a box body for storing prying knives, wherein a prying channel is arranged on the box body, prying knife ejection ports and prying knife driving ports are arranged at two ends of the prying channel, a driving device is arranged at the rear side of the prying channel and comprises a ejection rod extending into the prying knife driving ports from the outside, and a driving device for driving the ejection rod to reciprocate in the prying channel to drive the prying knives to pop up towards the ejection ports is arranged at the side of the box body. Meanwhile, the machine can be used for production line operation of taking meat from oyster and pry shells, and production efficiency is improved.

Description

Oyster shell picking machine and using method thereof

Technical Field

The invention relates to an oyster shell picking machine and a method thereof.

Background

The most critical part of the deep processing of oyster is in the aspect of opening the shell and taking the meat, the process of the deep processing research of oyster in China is relatively late in foreign beginning, the development capability of the oyster in the equipment for producing and processing aquatic products is relatively weak in foreign, most of the oyster is still stagnated in the theoretical research stage, and many main advanced processing and production equipment is still dependent on import. The main cultivation land of Chinese oyster is in some cities along the coast, most of the cultivation land still adopts the most traditional manual mode to open the shell or naturally open the shell after boiling. However, the oyster obtained by manually opening the shell is sometimes poor in quality, the labor is wasted when the prying knife is manually knocked, the labor intensity for prying the oyster shell is high, the damage to the upper arm and the cervical vertebra of a human body caused by long-term labor is high, and the productivity is low; after being cooked, the shell is opened, so that the fresh and tender taste of the oyster is broken, and the loss of the nutrition components of the oyster is caused. For this reason, an oyster sled shell machine is required.

Disclosure of Invention

The specific embodiments of the invention are: the oyster shell picking machine comprises a box body for storing prying knives, wherein a prying channel is arranged on the box body, prying knife ejection ports and prying knife driving ports are formed in two ends of the prying channel, a catapulting rod extending into the prying knife driving ports from outside is arranged on the rear side of the catapulting channel, and a driving device for driving the catapulting rod to reciprocate in the catapulting channel to drive the prying knives to pop up towards the catapulting ports is arranged on the side of the box body.

Further, the driving device comprises a driving rotating shaft and a cylindrical cam fixedly connected with the driving rotating shaft, the periphery of the cylindrical cam is provided with a channel which is axially reciprocated, the side part of the ejection rod is fixedly connected with a sliding rod which is inserted into the channel, when the cylindrical cam rotates, the sliding rod reciprocates along the channel and drives the ejection rod to reciprocate, and the rear side of the ejection rod is also provided with an elastic piece which is used for assisting the ejection rod to eject.

Further, the box side is provided with the fixing base, the fixing base upper surface is provided with the bearing frame, in the bearing frame was located to drive pivot both ends cover, the fixing base includes horizontal support plate and vertical fixed plate, the one end that the ejection rod deviates from the box inserts in the vertical fixed plate, the spring of ejection rod periphery is located for the cover to the elastic component, the spring one end acts on the vertical fixed plate other end and acts on the slide bar.

Further, the inclined ramp for placing the prying knife is arranged on the box body, the material distributing roller is arranged in the middle of the ramp, the baffle plate for blocking the prying knife to descend is arranged at the periphery of the material distributing roller at intervals, one end of the material distributing roller extends out of the box body and is coaxially and fixedly connected with a ratchet wheel, a cam is coaxially fixed on a driving rotating shaft, a connecting rod for propping against the outer surface of the cam is arranged beside the cam, a ratchet wheel swing rod is fixedly connected with one end of the connecting rod towards the box body, the upper end of the ratchet wheel swing rod is hinged with the box body, the lower end of the ratchet wheel swing rod is hinged with a pawl matched with the ratchet wheel, and when the cam rotates, the ratchet wheel swing rod drives the pawl to toggle the ratchet wheel to rotate so as to realize that the baffle plate is overturned to drive the prying knife to slide into the ejection channel one by one.

Further, one end of the ejection rod, which faces the ejection channel, is fixedly connected with a stop block.

Further, one end of the driving rotating shaft deviating from the cylindrical cam is provided with a driving motor, an output shaft of the driving motor is connected with the driving rotating shaft through a clutch, the clutch comprises a linkage shaft, an output end of the driving motor is connected through a coupling, and a spline matched with the opposite surface of the linkage shaft and a shifting fork sleeved on the linkage shaft for realizing spline separation are arranged on the opposite surface of the linkage shaft.

The invention also discloses a use method of the oyster shell picking machine, which comprises the following steps of:

(1) Before the driving motor works, a prying knife is placed in the box body;

(2) Placing the hard shell needing to be pried at the ejection port;

(3) The driving motor is started, the driving motor provides power, the power transmission is controlled through a shifting fork of the clutch, when the shifting fork is pushed to enable the clutch to be connected, the spline on the clutch transmits the force to the cylindrical cam through the driving rotating shaft, the cylindrical cam drives the sliding rod to enable the ejection rod to synchronously linearly move to compress the spring, meanwhile, the rotation of the limiting cam pushes the connecting rod, and the ratchet swing rod on the ratchet drives the ratchet to enable the ratchet to shift the ratchet to realize rotation of the material distributing roller to release the next prying knife; and then the shifting fork is pulled back to disconnect the clutch, and the compression spring instantaneously generates huge impact force to push the ejection rod to eject, so that the purpose of inserting the heavy impact prying knife into the oyster shell is achieved.

Compared with the prior art, the invention has the following beneficial effects: the invention can well complete the prying action of the oyster, enable the prying knife to extend into the oyster, complete the prying action of the oyster, and realize the automatic clamping of the prying knife of the oyster. Compared with the prior manual shelling, the oyster shell picking machine uses the mechanism to strike the prying knife heavily, solves the problem that the prying knife is hard to hurt the body by the manual strike, and can also improve the shelling speed of the oyster and further improve the processing level of oyster products in China, so that the oyster shell picking machine has certain promotion effect on human health and industrial development. The device designed by the invention can be suitable for the prying and fleshing of domestic hard shells, and solves the production conditions of most of domestic hard shells or artificial shell opening and fleshing at present, thereby relieving the fatigue of workers, protecting the health of limbs and improving the industrialization level of the prying and fleshing of hard shells. Realizing the mechanical shelling of hard shells, and has important significance for reducing the burden of workers and improving the production efficiency.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is an enlarged schematic view of a part of the structure of fig. 1.

Fig. 3 is a schematic diagram of the front side view of the structure of the present invention.

Fig. 4 is a left side view of fig. 1 in accordance with the present invention.

Fig. 5 is a schematic perspective view of the present invention.

Detailed Description

The invention will be described in further detail with reference to the drawings and the detailed description.

As shown in fig. 1-5, the oyster shell picking machine comprises a box body 10 for storing prying knives, wherein a ejection channel 110 is arranged on the box body 10, prying knife ejection ports and prying knife driving ports are formed in two ends of the ejection channel 110, an ejection rod 20 extending into the prying knife driving ports from the outside is arranged at the rear side of the ejection channel, and a driving device for driving the ejection rod 20 to reciprocate in the ejection channel 110 to drive the prying knives to eject towards the ejection ports is arranged at the side of the box body 10.

In this embodiment, the driving device includes a driving shaft 30, and a cylindrical cam 310 fixedly connected to the driving shaft 30, the outer periphery of the cylindrical cam 310 has a channel 311 that reciprocates along the axial direction, and the side portion of the ejection rod is fixedly connected with a sliding rod 302 that is inserted into the channel 311, and when the cylindrical cam 310 rotates, the sliding rod reciprocates along the channel and drives the ejection rod 20 to reciprocate.

The rear side of the ejection rod 20 is also provided with an elastic member for assisting the ejection of the ejection rod 20.

In this embodiment, the side of the box is provided with a fixing seat 40, the upper surface of the fixing seat 40 is provided with a bearing seat 410, two ends of the driving rotating shaft 30 are sleeved in the bearing seat, the fixing seat comprises a horizontal supporting plate and a vertical fixing plate 420, one end of the ejection rod, which is away from the box, is inserted into the vertical fixing plate, the elastic piece is a spring 430 sleeved on the periphery of the ejection rod, one end of the spring 430 acts on the vertical fixing plate 420, and the other end of the spring 430 acts on the sliding rod 302.

In this embodiment, a driving motor 440 is disposed at one end of the driving shaft 30 facing away from the cylindrical cam, an output shaft of the driving motor 440 is connected with the driving shaft through a clutch, the clutch includes a linkage shaft with an output end of the driving motor connected through a coupling, in this embodiment, the clutch structure is similar to a conventional structure and mainly includes a spline 450 matching with a facing surface of the driving shaft 30 and a shift fork 460 sleeved on the linkage shaft for realizing separation of the spline, and the shift fork 460 is utilized to realize clutch operation, that is, realize separation of a pair of splines 450 from each other, so that force of the driving motor cannot be transmitted to the cylindrical cam 310.

In order to realize automatic tool changing, the box 10 is provided with a ramp 120 which is obliquely provided with a prying tool, a material distributing roller 130 is arranged in the middle of the ramp 120, baffle plates 131 which are used for blocking the prying tool from descending are arranged at intervals on the periphery of the material distributing roller 130, in this embodiment, the space between the baffle plates 131 can accommodate one prying tool, and the falling of one prying tool can be realized after the baffle plates 131 rotate by one lattice.

In this embodiment, the baffle 131 is provided with 4 prying knives 100 each time it rotates 90 °.

One end of the material distributing roller 130 extends out of the box 10 and is fixedly connected with a ratchet 132 coaxially, a limit cam 301 is coaxially fixed on the driving rotating shaft 30, a connecting rod 320 propping against the outer surface of the limit cam 301 is arranged beside the limit cam 301, a ratchet swing rod 330 is fixedly connected with one end of the connecting rod 320, which faces the box, of the ratchet swing rod 330, the upper end of the ratchet swing rod 330 is hinged with the box 10, a pawl 340 matched with the ratchet is hinged with the lower end of the ratchet swing rod 330, and when the limit cam 301 rotates, the ratchet swing rod drives the pawl to stir the ratchet to rotate so as to realize the rotation of the material distributing roller 130, so that the baffle is turned to drive the prying knife to slide into the ejection channel one by one.

In order to increase the contact area between the ejection rod 20 and the tail of the prying knife, a stop block 210 is fixedly connected to one end of the ejection rod 20 facing the ejection channel.

The working process comprises the following steps: in the operation of the oyster shell picking machine, firstly, before a driving motor works, a picking knife is put in a box body 10, the driving motor 440 is started, the driving motor provides power, the power transmission is controlled through a shifting fork of a clutch, the torque is transmitted to a cylindrical cam through a driving rotating shaft 30 by a spline on the clutch, the cylindrical cam 310 drives a sliding rod to slide along a channel on the cylindrical cam 310 and enables the ejection rod to synchronously and linearly move to compress a spring, meanwhile, the rotation of a limiting cam 301 pushes a connecting rod 320, and a ratchet swing rod on a ratchet drives the ratchet to realize the rotation of a distributing roller to release the next picking knife; at this time, the shifting fork is pulled back to disconnect the clutch, and the compression spring instantaneously generates huge impact force to push the ejection rod to eject, so that the purpose of inserting the heavy impact prying knife into the oyster shell is achieved.

In this embodiment, the driving motor is a low-rotation motor, the pulling of the fork can be driven by air, hydraulic or manpower, and the sliding rod at the side of the ejection rod can drive the cylindrical cam 310 to reversely reset when the clutch is disconnected, so that continuous oyster shell prying machine operation is completed through such circulating operation.

If the invention discloses or relates to components or structures fixedly connected with each other, then unless otherwise stated, the fixed connection is understood as: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).

In addition, terms used in any of the above-described aspects of the present disclosure to express positional relationship or shape have meanings including a state or shape similar to, similar to or approaching thereto unless otherwise stated.

Any part provided by the invention can be assembled by a plurality of independent components, or can be manufactured by an integral forming process.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical scheme of the present invention and are not limiting; while the invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present invention or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the invention, it is intended to cover the scope of the invention as claimed.

Claims

1. The use method of the oyster shell prying machine is characterized by comprising the steps of utilizing the oyster shell prying machine; the oyster shell picking machine comprises a box body for storing the prying knife, wherein a prying channel is arranged on the box body, prying knife ejection ports and prying knife driving ports are formed in two ends of the prying channel, a catapulting rod extending into the prying knife driving ports from the outside is arranged on the rear side of the catapulting channel, and a driving device for driving the catapulting rod to reciprocate in the catapulting channel to drive the prying knife to pop up towards the catapulting ports is arranged on the side of the box body;

the driving device comprises a driving rotating shaft and a cylindrical cam fixedly connected with the driving rotating shaft, the periphery of the cylindrical cam is provided with a channel which reciprocates along the axial direction, the side part of the ejection rod is fixedly connected with a sliding rod which is inserted into the channel, when the cylindrical cam rotates, the sliding rod reciprocates along the channel and drives the ejection rod to reciprocate, and the rear side of the ejection rod is also provided with an elastic piece which is used for assisting the ejection rod to eject;

the side of the box body is provided with a fixed seat, the upper surface of the fixed seat is provided with a bearing seat, two ends of the driving rotating shaft are sleeved in the bearing seat, the fixed seat comprises a horizontal supporting plate and a vertical fixing plate, one end of the ejection rod, which is away from the box body, is inserted into the vertical fixing plate, the elastic piece is a spring sleeved on the periphery of the ejection rod, and one end of the spring acts on the vertical fixing plate while the other end acts on the sliding rod;

the device comprises a box body, wherein a slope which is obliquely provided with a prying knife is arranged on the box body, a material distributing roller is arranged in the middle of the slope, baffle plates which are used for blocking the prying knife from descending are arranged at intervals on the periphery of the material distributing roller, one end of the material distributing roller extends out of the box body and is coaxially and fixedly connected with a ratchet wheel, a limit cam is coaxially and fixedly arranged on a driving rotating shaft, a connecting rod which is used for propping against the outer surface of the limit cam is arranged beside the limit cam, a ratchet wheel swing rod is fixedly connected with one end of the connecting rod, which faces the box body, of the upper end of the ratchet wheel swing rod is hinged with the box body, a pawl matched with the ratchet wheel is hinged with the lower end of the ratchet wheel swing rod, and when the limit cam rotates, the ratchet wheel swing rod drives the pawl to stir the ratchet wheel to rotate so as to realize that the baffle plates are overturned to drive the prying knife to slide into an ejection channel one by one;

one end of the ejection rod, which faces the ejection channel, is fixedly connected with a stop block;

the driving motor is arranged at one end of the driving rotating shaft, which is away from the cylindrical cam, an output shaft of the driving motor is connected with the driving rotating shaft through a clutch, the clutch comprises a linkage shaft, the output end of the driving motor is connected through a coupling, and the opposite surfaces of the linkage shaft and the driving rotating shaft are provided with mutually matched splines and shifting forks sleeved on the linkage shaft for realizing spline separation; the method comprises the following steps:

(1) Before the driving motor works, a prying knife is placed in the box body;

(2) Placing the hard shell needing to be pried at the ejection port;