CN113197243A

CN113197243A - Automatic poultry esophagus processing equipment

Info

Publication number: CN113197243A
Application number: CN202110559485.8A
Authority: CN
Inventors: 李开亮; 万光金; 石汝珍
Original assignee: Nanjing Shennong Intelligent Equipment Co Ltd
Current assignee: Nanjing Shennong Intelligent Equipment Co Ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-08-03
Anticipated expiration: 2041-05-21
Also published as: CN113197243B

Abstract

An automatic poultry esophagus processing device comprises a chain transmission unit, a feeding unit, a cutting unit, an oil scraping unit, a cutting unit and a frame; the chain transmission unit comprises a short chain fixing component and a long chain fixing component which are parallel to each other, at least four chain wheels are arranged in each of the two chains to divide the chains into at least four working sections, the short chain fixing component and the long chain fixing component are partially overlapped in track, a plurality of placing rods are vertically arranged on the chains to rotate along with the chains, and the placing rods on the long chain fixing component are adjacent to the placing rods on the short chain fixing component and do not interfere with each other and rotate at the same speed when passing through the overlapped section of the short chain fixing component and the chains; the cutting unit, the oil scraping unit and the cutting unit are sequentially arranged in the conveying direction of the chain, and the esophagus conveyed by the feeding unit falls into the upper part of the cutting unit. The poultry esophagus automatic processing equipment can continuously feed without waiting, greatly improves the production efficiency and reduces the labor cost.

Description

Automatic poultry esophagus processing equipment

Technical Field

The invention relates to the technical field of intelligent equipment for poultry esophagus processing, in particular to automatic poultry esophagus processing equipment capable of automatically cutting off an esophagus, automatically scraping oil and automatically shearing.

Background

The poultry esophagus is connected with the poultry stomach, and currently, when the esophagus is processed in a factory, a manual operation mode is generally adopted, and at least three workers respectively strip out residues in the esophagus, cut off the esophagus and cut open the esophagus, so that time and labor are wasted. In order to solve the problem, the applicant previously applied a poultry esophagus processing device with a patent number of CN201910624801.8, which can automatically perform operations such as oil scraping, tube sliding and cutting, and fills the gap in the domestic poultry esophagus automatic processing field. The device scrapes oil, scratches a pipe and cuts off the esophagus by arranging different processing tools on the working disc, and in practical use, the device is found to have certain waiting time, namely the lifting time of the lifting device, and still has certain improvement space although the processing effect is good, so that the applicant designs a novel automatic poultry esophagus processing device again to further improve the esophagus processing efficiency.

Disclosure of Invention

The invention provides novel automatic poultry esophagus processing equipment, which is used for automatically penetrating and scraping oil and automatically cutting off poultry esophagus, can continuously feed without waiting, greatly improves the production efficiency and reduces the labor cost.

The technical scheme of the invention is as follows:

an automatic poultry esophagus processing device comprises a chain conveying unit, a feeding unit, a cutting unit, an oil scraping unit and a frame.

The chain conveying unit comprises a short chain fixing component and a long chain fixing component which are parallel to each other, the short chain fixing component and the long chain fixing component comprise a chain, a chain wheel and a fixing plate, the fixing plate is installed on the frame and provided with a plurality of bearing seats, chain wheel shafts connected with the chain wheel penetrate through the bearing seats, and the chain is arranged around the outer ring of the fixing plate. The chain length of the fixed subassembly of short chain weak point in the chain length of the fixed subassembly of long chain, all be equipped with four at least sprockets in two chains, divide into four at least work sections with the chain, the fixed subassembly of short chain and the fixed partial orbit coincidence of subassembly of long chain, install a plurality of on the chain perpendicularly and place the pole and rotate along with the chain, the pole of placing on the fixed subassembly of long chain is when the fixed subassembly chain coincidence section of process and short chain, and adjacent noninterference and the same-speed rotation of the pole of placing on the fixed subassembly of short chain, and adjacent two are placed the distance between the pole and are less than birds gizzard size, are greater than the esophagus width of connecting below the birds gizzard, are convenient for carry the birds gizzard to let the esophagus hang down naturally.

The feeding unit is fixed on the frame, the tail end of the feeding unit is located above a chain below the short chain fixing assembly, the cutting unit is fixed below the short chain fixing assembly through a support, the esophagus conveyed by the feeding unit can fall into two placing rods of the short chain fixing assembly and the long chain fixing assembly above the cutting unit, and the cutting unit can cut off two esophagus parts hanging down between the placing rods.

The oil scraping unit is located in a working section behind the cutting unit and at least separated from the cutting unit by a chain wheel to adjust the direction of the esophagus, so that the esophagus is in a vertical direction, and the oil scraping unit scrapes residue in a food tube cut by the cutting unit.

Furthermore, the cutting unit is positioned at a working section behind the oil scraping unit, at least one chain wheel is arranged between the cutting unit and the oil scraping unit, and the cutting unit can conveniently cut off the esophagus in order to adjust the direction of the esophagus. A special esophagus collecting box is arranged below the cutting unit.

According to the automatic poultry esophagus processing equipment, the short chain fixing assembly and the long chain fixing assembly are used vertically, so that the esophagus can be always positioned in a vertical plane, and the processing is convenient.

Preferably, the chain of subassembly is fixed to short chain encloses into right trapezoid shape, and the hypotenuse is located the below, slope up, and the length of hypotenuse is greater than the length of general poultry esophagus, and when the cutting unit was opened the esophagus, two were placed the pole and can be taken the poultry gizzard to go upward along the hypotenuse, before it arrived the hypotenuse terminal point, the cutting unit need accomplish the cutting action to the esophagus.

Further, the chain shape of the fixed subassembly of long chain is outside except covering the right trapezoid chain shape of the fixed subassembly of short chain, still outwards extends one section return district section along its right-angle side and hypotenuse one end, when two place the pole and separate, because between the two apart from the grow, the birds gizzard that has processed is placed the pole area and is gone out by falling into in the birds gizzard collection box, then places the pole and pass through the return district section, when being close to with the pole of placing on the fixed subassembly of short chain once more, can carry out the action of cliping the birds gizzard esophagus of treating processing once more.

Further, the pole quantity of placing on the fixed subassembly of long chain is a set of more than the chain quantity of the fixed subassembly of short chain at least to the compensation is placed the pole and is advanced the distance on the unnecessary chain of the fixed subassembly of long chain, through the length of the two sets of chains of design and the interval of adjacent station, the position of placing the pole, can guarantee at every turn when the pole of placing of connecting meets on two sets of chains, always lean on and connect together and treat processing birds gizzard.

The poultry esophagus automatic processing equipment comprises the short chain fixing assembly and the long chain fixing assembly, wherein the short chain fixing assembly and the long chain fixing assembly at least comprise a lower cutting working section, a lateral oil scraping working section, an upper cutting working section and a lateral returning working section along the rotation direction of the chain, and at least one chain wheel is arranged between every two adjacent working sections.

Furthermore, the oil scraping unit is located below the side oil scraping working section and comprises two oil scraping plates which are oppositely arranged, the oil scraping plates are controlled to be opened and closed by the power unit, and the contact centers of the oil scraping plates are located in the vertical planes where the centers of the two adjacent placing rods pass through the oil scraping unit.

Furthermore, the cutting unit is positioned above the upper cutting working section and comprises a cutting knife controlled by the power unit, and the height of the cutting knife is lower than the height of two adjacent placing rods passing through the cutting unit.

According to the automatic poultry esophagus processing equipment, the chain conveying units comprise two groups which are respectively positioned at two sides of the feeding unit.

Further, the material loading unit comprises a conveying group and an automatic material distributing group, the automatic material distributing group is located at the tail end of the conveying group, the automatic material distributing group comprises a translation portion and a placing portion, the translation portion drives the placing portion to move along the direction perpendicular to the chain fixing component, the placing portion comprises two placing components, and the two placing components can be driven by the translation portion to move to the upper portion of the lower cutting unit of the two groups of chain conveying units and the lower portion of the conveying group respectively. By setting different starting times of the two groups of chain conveying units, when one group of chain conveying units works, the automatic material distribution group transfers materials to the other group of chain conveying units, so that the feeding efficiency of the feeding unit is doubled again.

The invention has the beneficial effects that:

1. according to the automatic poultry esophagus processing equipment, poultry esophagus is automatically penetrated, automatically scraped and automatically cut, the poultry esophagus is completely driven by the chain within one week, the esophagus and the poultry gizzard automatically fall down at different positions respectively, the production efficiency is greatly improved, and the labor cost is reduced.

2. According to the automatic poultry esophagus processing equipment, the two groups of chain conveying units and the automatic material distribution group capable of movably feeding are arranged, so that continuous feeding of materials is realized, waiting is not needed, and the production efficiency is greatly improved.

Drawings

The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.

In the drawings:

FIG. 1 is a sectional view of an automatic poultry esophagus processing apparatus according to an embodiment;

FIG. 2 is a side view of the automatic poultry esophagus processing apparatus of the embodiment;

FIG. 3 is a top view of the automated poultry esophageal processing device of the example;

FIG. 4 is a top view of the loading unit;

FIG. 5 is a front view of the feeding unit;

FIG. 6 is a schematic structural view of an automatic material distributing group;

FIG. 7 is a schematic structural diagram of a cutting unit;

FIG. 8 is an enlarged partial view of the cutter assembly location;

FIG. 9 is a schematic structural view of the oil scraping unit;

FIG. 10 is a partial enlarged view of the location of the severing unit;

FIG. 11 is a schematic view showing the position of the placement rod when the poultry esophagus begins to be processed;

the components represented by the reference numerals in the figures are:

1. the chain conveying unit, 11, the fixed subassembly of short chain, 12, the fixed subassembly of long chain, 13, place the pole, 2, the material loading unit, 21, conveying screw group, 22, automatic branch material group, 221, the mount, 222, no pole cylinder, 223, place the subassembly, 224, clamping component, 3, the cutting unit, 31, sliding rail set spare, 32, cutter unit spare, 321, circular cutter, 322, the push pedal, 33, package splint, 34, protection component, 341, backplate, 4, the oil scraping unit, 41, the cylinder fixed plate, 42, the frizing, 5, cut off the unit, 6, the frame.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure can be more completely understood and fully conveyed to those skilled in the art, and the present disclosure may be implemented in various forms without being limited to the embodiments set forth herein.

The directions "front and back", "left and right", etc. mentioned in the present invention are only used to express the relative positional relationship, and are not restricted by any specific directional references in practical application.

Examples

Referring to fig. 1-3, fig. 1-3 are schematic structural views of an automatic poultry esophagus processing device in the embodiment, which includes a chain conveying unit 1, a feeding unit 2, a cutting unit 3, an oil scraping unit 4, a cutting unit 5 and a frame 6.

Chain conveying unit 1 is including the fixed subassembly 11 of short chain and the fixed subassembly 12 of long chain that are parallel to each other, the fixed subassembly 11 of short chain and the fixed subassembly 12 of long chain are constituteed by chain, sprocket and fixed plate, the fixed plate is installed on frame 6, and its upper and lower border is equipped with a plurality of bearing frames, wear the sprocket shaft of connecting the sprocket in the bearing frame, the chain is arranged around the fixed plate outer lane. The chain wheel comprises a driving chain wheel and a driven chain wheel, and conventional parts such as a chain tensioning assembly and the like are further arranged at proper positions of the chain.

Further, the chain length of the fixed subassembly 11 of short chain is shorter than the chain length of the fixed subassembly 12 of long chain, all is equipped with four at least sprockets in two chains, divide into four at least work sections with the chain, the fixed subassembly 11 of short chain and the fixed partial orbit coincidence of subassembly 12 of long chain, install a plurality of perpendicularly on the chain and place pole 13 and rotate along with the chain, the pole 13 of placing on the fixed subassembly 12 of long chain is when the fixed subassembly 11 chain coincidence section of process and short chain, and with the adjacent nothing of placing pole 13 on the fixed subassembly 11 of short chain interfere and rotate with the speed, adjacent two are placed the distance between the pole 13 and are less than birds gizzard size, are greater than the esophagus width of connecting below the birds gizzard, are convenient for carry birds gizzard to let the esophagus hang down naturally.

Further, the feeding unit 2 is fixed on the frame 6, the tail end of the feeding unit is located above the chain below the short chain fixing component 11, the cutting unit 3 is fixed below the short chain fixing component 11 through a support, the esophagus transmitted by the feeding unit 2 can fall between the two placing rods 13 of the short chain fixing component 11 and the long chain fixing component 12 above the cutting unit 3, and the cutting unit 3 can cut off the portion of the esophagus hanging between the two placing rods 13, as shown in fig. 11.

Furthermore, the oil scraping unit 4 is located at a rear working section of the cutting unit 3 and is separated from the cutting unit 3 by a chain wheel so as to adjust the direction of the esophagus, so that the esophagus is in a vertical direction, and the oil scraping unit 4 can scrape the residue in the food tube cut by the cutting unit 3.

Furthermore, the cutting unit 5 is located at a working section behind the oil scraping unit 4, and is spaced from the oil scraping unit 4 by a sprocket, which is also used for adjusting the direction of the esophagus, so that the cutting unit 5 can conveniently cut the esophagus. A special esophagus collecting box is arranged below the cutting unit 5.

Referring to fig. 2, the short chain fixing assembly 11 and the long chain fixing assembly 12 are used vertically in this embodiment, so that the esophagus can be always located in a vertical plane, and the feeding unit 2, the cutting unit 3, the oil scraping unit 4 and the cutting unit 5 can conveniently process the esophagus.

Further, the chain of subassembly 11 is fixed to short chain encloses into right trapezoid shape, see fig. 1, the hypotenuse is located the below, slope up, and the length of hypotenuse is greater than the length of general poultry esophagus, in cutting unit 3 is to the esophagus opening, two are placed pole 13 and can be taken poultry gizzard to go upward along the hypotenuse, before it reaches the hypotenuse terminal point, cutting unit 3 need accomplish the cutting action to the esophagus.

Further, the short chain fixing component 11 and the long chain fixing component 12 are respectively provided with a lower cutting working section, a right side oil scraping working section, an upper cutting working section and a left side return working section along the chain rotation direction, and at least one chain wheel is arranged between the adjacent working sections. Besides, the lengths of other adjacent working sections are similar except for the return working section, so that the next working section can be smoothly entered when one machining action is finished, and the working content of the next working section is not influenced.

Further, the shape of the chain of the long chain fixing assembly 12 covers the shape of the right trapezoid chain of the short chain fixing assembly 11, and a return section extends outwards along one end of the right-angled edge and the inclined edge of the chain, as shown in fig. 1, the right side surface of the long chain fixing assembly 12 completely coincides with the short chain fixing assembly 11, the upper portion extends leftwards along the cutting working section, and the lower portion extends leftwards horizontally along the cutting working section. The extended return section is used for the poultry gizzard collecting and placing rod 13 for returning.

Specifically, when two are placed pole 13 and are parted, because between the two apart from the grow, the birds gizzard that has processed is placed pole 13 and is taken out and freely falls into birds gizzard collection box in, then places pole 13 and pass through the return district section, when placing pole 13 on the fixed subassembly 11 of short chain is close to again, can carry out the action of cliping the birds gizzard esophagus of treating processing again.

In this embodiment, at least four placing rods 13 are disposed on the short chain fixing assembly 11, and are respectively located in the cutting working section, the oil scraping working section, the cutting working section, and the returning working section to perform different actions. The fixed subassembly of long chain 12 is last to place 13 quantity of pole than the fixed subassembly 11 of short chain quantity a set of more at least to the compensation is placed the pole 13 and is advanced the distance on the fixed subassembly 12 unnecessary chain of long chain, through the length of the two sets of chains of design and the interval of adjacent station, place the position of pole 13, can guarantee on two sets of chains at every turn when placing pole 13 and meet, always lean on to connect together and get the birds gizzard of treating processing, and transport to different work sections and carry out different operations.

Furthermore, the head of the outward end of the placing rod 13 is provided with a bulge or an invagination for clamping the gizzard of the poultry.

Referring to fig. 7, the cutting unit 3 includes a slide rail assembly 31, a cutter assembly 32, a packing plate 33 and a protection assembly 34, the slide rail assembly 31 includes a slide groove and two slide plates oppositely arranged, the two slide plates are controlled by a cylinder to slide respectively, one of the slide plates is provided with the cutter assembly 32 and the protection assembly 34, and the other slide plate is provided with the packing plate 33.

Further, cutter unit 32 includes circular cutter 321 and push pedal 322, circular cutter 321 is by motor drive, the rotation direction of circular cutter 321 is parallel with the spout direction, circular cutter 321 is close to package splint 33 one side and is equipped with push pedal 322, push pedal 322 upper portion opening for putting into of circular cutter 321, both sides are the outside extension of V type. The package splint 33 is V-shaped and extends outwards towards one side of the push plate 322, a plurality of insertion grooves are respectively arranged on the push plate 322 and the package splint 33, and the push plate 322 and the package splint 33 can be mutually inserted together under the driving of the sliding rail assembly 31, as shown in fig. 8.

Further, the protection component 34 is located at one side of the cutter component 32, the protection component 34 comprises a protection plate 341, and the protection plate 341 is controlled by an air cylinder and is mounted above the circular cutter 321 through a mounting bracket. Specifically, backplate 341 includes anterior guard portion and the fixed part at rear portion, fluting in the middle of the fixed part at guard portion and rear portion, the fluting space is greater than circular cutter 321 thickness, and the fixed part at rear portion is connected with the installing support, and anterior guard portion is buckled to the below in the front, nevertheless does not exceed circular cutter 321 radius, and under the cylinder action, anterior guard portion can stretch out forward and keep off the outside at circular cutter 321 completely.

Further, when push pedal 322 and package splint 33 peg graft together, circular cutter 321 is located position between the two, then, the protection portion of backplate 341 keeps off in the front portion of circular cutter 321, when placing pole 13 and drive birds gizzard and esophagus forward drive, exposes the position in the middle of circular cutter 321 and cuts open the esophagus, and the esophagus is cut open the part and is pasted forward the conveying on backplate 341 to it can not always follow circular cutter 321 contact fish tail to have protected the esophagus.

Referring to fig. 9, the oil scraping unit 4 is located below the side oil scraping working section, and includes a cylinder fixing plate 41 and two oil scraping plates 42 arranged oppositely, the oil scraping plates 42 are controlled by a cylinder to open and close, the cylinder is assembled on the cylinder fixing plate 41, the cylinder fixing plate 41 is assembled on the short chain fixing assembly 11, and the contact center of the oil scraping plates 42 is located in a vertical plane passing through the centers of two adjacent placing rods 13 of the oil scraping unit 4. Before the esophagus arrived side oil scraping work section, two oil scraping plates 42 of the control unit control of system were opened, see fig. 3 below oil scraping unit 4, when birds gizzard part exposed oil scraping plate 42, the esophagus was carried in two oil scraping plate 42 closures of cylinder control, when placing the vertical upward motion of pole 13 drive birds gizzard, oil scraping plate 42 can strike off the interior residue of food tube totally.

With reference now to fig. 10, the severing unit 5 is located above the upper horizontally disposed severing working section and comprises a cutting knife controlled by a power unit, at a height lower than the height of two adjacent laying bars 13 passing through the severing unit 5. When the poultry esophagus which finishes scraping oil passes through the cutting working section, the cutting unit 5 cuts off the part of the esophagus, and the esophagus falls into the lower esophagus collection box.

In the embodiment, the operation of the esophagus can be completed only after a certain time is needed by the cutting unit 3 or the oil scraping unit 4, and at this time, the poultry esophagus to be processed cannot be pushed to the cutting unit 3. In order to further improve the processing efficiency, two sets of chain conveying units 1 are symmetrically arranged on the frame 6, the two sets of chain conveying units 1 are respectively positioned on two sides of the feeding unit 2, and the working time sequences of the two sets of chain conveying units 1 are different.

Referring now to fig. 4-6, the feeding unit 2 includes a conveying screw group 21 and an automatic material distributing group 22. Conveying screw group 21 connects and gets the material that comes from on the conveyer belt, then sets up multistage screw group according to the difference in height between conveyer belt and the cutting unit 3, through screw group transport mode, birds gizzard part is located screw group top always, and the esophagus part is located screw group below always, is convenient for fall into between cutting unit 3's push pedal 322 and the package splint 33.

Further, automatic material group 22 is located conveying screw group 21 is terminal, automatic material group 22 includes mount 221, rodless cylinder 222, places subassembly 223 and clamping component 224, mount 221 links to each other with conveying screw group 21, and its below is equipped with rodless cylinder 222, rodless cylinder 222 passes through the connecting plate drive and places subassembly 223 and clamping component 224 and move along the fixed subassembly direction of perpendicular to chain, it includes two to place subassembly 223, installs respectively in rodless cylinder 222 both sides to close by the control of clamping component 224 at its rear portion respectively, clamping component 224 includes cylinder and connecting plate, and every is placed subassembly 223 and includes the splint of two inboard slopes in the below, and the upper portion opening is greater than the lower part opening, is convenient for clip birds gizzard part, and the esophagus part is gone out from the lower part and is hung down freely simultaneously. The two placing assemblies can be driven by the rodless cylinder 222 to respectively move to the positions above the lower cutting unit 3 of the two groups of chain conveying units 1 and below the conveying screw group 21. By setting different starting times of the two groups of chain conveying units 1, when one group of chain conveying units 1 works, the automatic material distribution group 22 transfers materials to the other group of chain conveying units 1, so that the feeding efficiency of the feeding unit 2 is doubled again.

Specifically, the working principle of the automatic poultry esophagus processing equipment is as follows:

poultry gizzards and esophagus to be processed enter the conveying screw group 21 from the conveying belt and fall down step by step until the poultry gizzards and esophagus fall into the placing assembly 223 of the automatic material distributing group 22, the rodless cylinder 222 drives the placing assembly 223 to approach the chain conveying unit 1 on one side, and meanwhile, the other placing assembly 223 moves to the conveying screw group 21 and is connected with the next poultry gizzard and esophagus; the poultry gizzards and the esophagus are driven by the placing assembly 223 to move to a position between two placing rods 13 of a cutting working section below the chain conveying unit 1, at the moment, the packing plate 33 and the push plate 322 of the cutting unit 3 are in an opening and closing state, the to-be-placed assembly 223 is unfolded towards two sides under the action of the clamping assembly, the poultry gizzards fall into the position between the two placing rods 13 below, the esophagus falls into a position between the packing plate 33 and the push plate 322 along the position between the two placing rods 13, then the packing plate 33 and the push plate 322 are folded, the protective plate 341 of the protective assembly advances to the front part of the circular cutter 321, at the moment, the two placing rods 13 drive the poultry gizzards to move towards the oil scraping unit 4, the circular cutter 321 cuts the esophagus, and the opened esophagus is attached to the outer edge of the protective plate 341 and leaves the cutting unit; then, the poultry gizzards rise to the upper end of the oil scraping unit 4, the two oil scraping plates 42 clamp the esophagus part, the two placing rods 13 carry the poultry gizzards to move upwards, and the closed oil scraping plates 42 scrape object residues in the food tubes; then, the two placing rods 13 with the poultry gizzards are turned to enter the cutting working section again, when the esophagus part passes through the cutting unit 5, the esophagus part is cut by the cutting unit 5, the esophagus falls into the esophagus collecting box below, and only the remaining poultry gizzards are clamped by the two placing rods 13 to move forwards continuously; treat that the poultry gizzard removes to fixed subassembly 11 of short chain and the fixed 12 isolated position of subassembly of long chain, be located on the fixed subassembly 12 of long chain place pole 13 and the fixed subassembly 11 of short chain place pole 13 along different route return, both separately, the poultry gizzard that falls into the below forward in the poultry gizzard collection box. The placing rod 13 on the short chain fixing component 11 passes through the return section and then continues to participate in the next cutting action, and the placing rod 13 on the long chain fixing component 12 passes through the return section with a longer path and then is close to the placing rod 13 behind the short chain fixing component 11 to form a group to move together above the cutting unit 3, so that the new round of conveying action is started.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or additions or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The automatic poultry esophagus processing equipment is characterized by comprising a chain conveying unit (1), a feeding unit (2), a cutting unit (3), an oil scraping unit (4) and a frame (6);

the chain transmission unit (1) comprises a short chain fixing component (11) and a long chain fixing component (12) which are parallel to each other, the short chain fixing component (11) and the long chain fixing component (12) comprise chains, chain wheels and fixing plates, the fixing plate is arranged on the frame (6), the chain length of the short chain fixing component (11) is shorter than that of the long chain fixing component (12), at least four chain wheels are arranged in the two chains to divide the chains into at least four working sections, the short chain fixing component (11) and the long chain fixing component (12) are partially overlapped in track, a plurality of placing rods (13) are vertically arranged on the chain and rotate along with the chain, when the placing rods (13) on the long chain fixing component (12) pass through a chain overlapping section of the short chain fixing component (11), the short chain fixing component (11) is adjacent to the placing rod (13) without interference and rotates at the same speed;

the feeding unit (2) is fixed on the frame (6), the tail end of the feeding unit is positioned above a chain below the short chain fixing assembly (11), the cutting unit (3) is fixed below the short chain fixing assembly (11) through a support, an esophagus transmitted by the feeding unit (2) can fall between the short chain fixing assembly (11) above the cutting unit (3) and two placing rods (13) of the long chain fixing assembly (12), and the cutting unit (3) can cut off the esophagus part hung between the two placing rods (13);

the oil scraping unit (4) is located at a working section behind the cutting unit (3) and at least separated from the cutting unit (3) by one chain wheel, and the oil scraping unit (4) can scrape residue in food tubes cut by the cutting unit (3).

2. The automatic poultry esophagus processing equipment according to claim 1, further comprising a cutting unit (5), wherein the cutting unit (5) is positioned at a working section behind the oil scraping unit (4) and is separated from the oil scraping unit (4) by at least one chain wheel, and the cutting unit (5) can cut off the esophagus.

3. An automatic poultry oesophagus processing apparatus according to claim 2, wherein said short chain fixing assembly (11) and long chain fixing assembly (12) are used vertically.

4. An automatic poultry oesophagus processing apparatus according to claim 3, wherein the chains of said short chain fixing assembly (11) enclose a right trapezoid shape, the hypotenuse being located below and inclined upwards.

5. An automatic poultry oesophagus processing apparatus according to claim 4, wherein the shape of the chain of said long chain fixing assembly (12) extends beyond the shape of the right trapezoid chain covering the short chain fixing assembly (11) by a return section along one of its cathetus and hypotenuse.

6. An automatic poultry oesophagus processing apparatus according to any one of claims 2 to 5, wherein said short chain fixing assembly (11) and long chain fixing assembly (12) comprise at least a lower cutting working section, a lateral oil scraping working section, an upper cutting working section and a lateral return working section in the direction of chain rotation, with at least one sprocket between adjacent working sections.

7. The poultry esophagus automatic processing equipment according to claim 6, wherein the oil scraping unit (4) is positioned below the lateral oil scraping working section and comprises two oppositely-arranged oil scraping plates (42), the opening and closing of the oil scraping plates (42) are controlled by a power unit, and the contact center of the oil scraping plates (42) is positioned in a vertical plane passing through the centers of two adjacent placing rods (13) of the oil scraping unit (4).

8. An automatic poultry oesophagus processing apparatus according to claim 6, wherein said severing unit (5) is located above the upper severing work section and comprises a cutting knife controlled by a power unit, the height of said cutting knife being lower than the height of two adjacent resting bars (13) passing through the severing unit (5).

9. The automatic poultry esophagus processing device according to claim 1, wherein the chain conveying units (1) comprise two groups, which are respectively positioned at two sides of the feeding unit (2).

10. The poultry esophagus automatic processing equipment according to claim 9, wherein the feeding unit (2) comprises a conveying group and an automatic material distributing group (22), the automatic material distributing group (22) is positioned at the tail end of the conveying group, the automatic material distributing group (22) comprises a translation part and a placing part, the translation part drives the placing part to move along the direction perpendicular to the direction of the chain fixing components, the placing part comprises two placing components (223), and the two placing components (223) can respectively move above the cutting units at the lower parts of the two groups of chain conveying units (1) and below the conveying group under the driving of the translation part.