阅读说明：本技术 一种家禽屠宰用自动划脖装置及划脖方法 (Automatic neck scratching device and neck scratching method for poultry slaughtering ) 是由 汪阅 吴玉兴 何绪杰 于 2021-03-04 设计创作，主要内容包括：本发明公开了一种家禽屠宰用自动划脖装置,属于家禽屠宰装置技术领域。其技术方案为：一种家禽屠宰用自动划脖装置,其中,包括传送单元,圆锯,以及分别与传送单元、圆锯相配合的导向单元；圆锯的轴线方向与传送单元相对应位置的传送方向相垂直,圆锯由输出轴与其转轴同轴的电机驱动；导向单元包括位于圆锯一侧、由上至下依次设置的上夹杆和下夹杆。本发明的有益效果是：本发明提供的一种家禽屠宰用自动划脖装置自动化程度高、结构简单、设计巧妙、取材方便且造价低廉、方便后期维护且维护成本低,提供的一种划脖方法划脖效果统一、实用且自动化程度高、节省人工投入、作业效率高。(The invention discloses an automatic neck scratching device for poultry slaughtering, and belongs to the technical field of poultry slaughtering devices. The technical scheme is as follows: an automatic neck cutting device for slaughtering poultry comprises a conveying unit, a circular saw and a guide unit which is matched with the conveying unit and the circular saw respectively; the axial direction of the circular saw is vertical to the conveying direction of the corresponding position of the conveying unit, and the circular saw is driven by a motor with an output shaft coaxial with the rotating shaft of the circular saw; the guide unit comprises an upper clamping rod and a lower clamping rod which are positioned on one side of the circular saw and are sequentially arranged from top to bottom. The invention has the beneficial effects that: the automatic neck scratching device for poultry slaughtering provided by the invention has the advantages of high automation degree, simple structure, ingenious design, convenience in material acquisition, low manufacturing cost, convenience in later maintenance and low maintenance cost, and the provided neck scratching method has the advantages of uniform neck scratching effect, practicability, high automation degree, labor investment saving and high operation efficiency.)

1. An automatic neck cutting device for slaughtering poultry is characterized by comprising a conveying unit (1), a circular saw (3) and a guide unit (2) which is matched with the conveying unit (1) and the circular saw (3) respectively; the axial direction of the circular saw (3) is vertical to the conveying direction of the corresponding position of the conveying unit (1), and the circular saw (3) is driven by a motor (30) with an output shaft coaxial with the rotating shaft of the circular saw;

the guide unit (2) comprises an upper clamping rod (22) and a lower clamping rod (21) which are located on one side of the circular saw (3) and are sequentially arranged from top to bottom.

2. Automatic neck device of drawing that slaughtering poultry was used according to claim 1, characterized in that, guide unit (2) still include be located circular saw (3) other side, with lower clamping bar (21) through a plurality of connecting rod (24) fixed connection's take over lever (23), take over lever (23) with lower clamping bar (21) are at least in circular saw (3) department coplane setting, the top of circular saw (3) is a little higher than its place take over lever (23) with lower clamping bar (21) place plane.

3. Automatic neckerchief for poultry slaughtering according to claim 1 or 2, characterized in that the circular saw (3) is located below the transfer unit (1).

4. The automatic neckline for slaughtering poultry according to claim 3, wherein the head end of the lower clamping bar (21) is provided with a lower clamping bar guide (212) bent to a side close to the attachment bar (23).

5. Automatic neckline for poultry slaughter according to any one of claims 1 to 4, wherein said lower clamping bar (21) comprises a horizontally arranged lower clamping bar body, said lower clamping bar guide (212), and a lower clamping bar lifting part (211) smoothly arranged between said lower clamping bar guide (212) and said lower clamping bar body; the upper clamping rod (22) comprises an upper clamping rod main body parallel to the lower clamping rod main body and an upper clamping rod lifting part (221) which is smoothly arranged at the head end of the upper clamping rod main body and is matched with the lower clamping rod lifting part (211); the upper clamping bar lifting part (221) is higher than the lower clamping bar lifting part (211).

6. The automatic neckdown apparatus for slaughtering poultry according to claim 5, wherein a distance between a head end of the upper clamping bar lifting portion (221) and a head end of the lower clamping bar lifting portion (211) is smaller than a distance between a tail end of the upper clamping bar lifting portion (221) and a tail end of the lower clamping bar lifting portion (211).

7. Automatic neckerchief for slaughtering poultry according to claim 5 or 6, characterized in that the transfer unit (1) comprises a transfer rail (11) and a number of hooks (12) arranged uniformly in the transfer direction;

conveying rail (11) are including being located take pole (23) keep away from circular saw (3) one side, with axis direction looks vertically parallel portion (113) of circular saw (3), with lower clamping bar guide part (212) matched with is in the same direction as guide portion (111), and smooth connection in parallel portion (113) with draw portion (112) outward between guide portion (111).

8. The automatic neckline for slaughtering poultry according to claim 7, wherein the lower clamping bar (21) is smoothly provided at a rear end thereof with a first turndown portion (215), and the take-up bar (23) is smoothly provided at a rear end thereof with a second turndown portion (231).

9. Automatic collar device for poultry slaughter according to any one of claims 1-8, characterised in that it further comprises a support (4) for mounting the circular saw (3) and/or the motor (30) and/or the guide unit (2).

10. A neckline method using the automatic neckline apparatus for poultry slaughter according to any one of claims 1 to 9, comprising the steps of:

step S1: hanging poultry upside down on the conveying unit (1) and conveying the poultry along the conveying unit (1);

step S2: the neck of the poultry is led between the upper clamping rod (22) and the lower clamping rod (21) in a penetrating way;

step S3: the poultry neck is far away from the head or the body of the poultry is lapped on the lapping rod (23), the transmission unit (1) respectively applies force to the poultry legs or the poultry tails, the upper clamping rod (22) and the lower clamping rod (21) to the positions of the poultry heads, the poultry neck is subjected to stretching force, and the poultry neck is cut by the circular saw (3) in the state.

Technical Field

The invention relates to the technical field of poultry slaughtering devices, in particular to an automatic neck scratching device and a neck scratching method for poultry slaughtering.

Background

In the process of in-line slaughter, the dehaired poultry needs to be scarred at their neck in order to drain the blood from the body. At present a great deal of slaughterhouse, poultry use artifical when the neck of chicken, duck is drawn and is cut, wastes time and energy, and work efficiency is low, and the processing cost is higher, and cut apart the position of rule, degree of depth diverse, size's uniformity and sell like when seriously influencing follow-up cutting apart.

How to solve the above technical problems is the subject of the present invention.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides the automatic neck scratching device for poultry slaughtering, which has the advantages of high automation degree, simple structure, ingenious design, convenient material taking, low manufacturing cost, convenience for later maintenance and low maintenance cost, and simultaneously provides the neck scratching method which has the advantages of unified neck scratching effect, practicability, high automation degree, labor investment saving and high operation efficiency.

In order to achieve the above object, the present invention provides an automatic neck-marking device for poultry slaughtering, comprising a conveying unit, a circular saw, and a guiding unit respectively matched with the conveying unit and the circular saw; the axial direction of the circular saw is vertical to the conveying direction of the corresponding position of the conveying unit, and the circular saw is driven by a motor with an output shaft coaxial with a rotating shaft of the circular saw;

the guide unit comprises an upper clamping rod and a lower clamping rod which are positioned on one side of the circular saw and are sequentially arranged from top to bottom.

When the poultry cutting machine is used, poultry which are unhaired cleanly are hung upside down on the conveying unit, guided to the circular saw by the guide unit, and the neck of the poultry is cut by the circular saw; the distance between the upper clamping rod and the lower clamping rod is smaller than the maximum outer diameter of the poultry head and slightly larger than the outer diameter of the neck close to the head; the poultry double-leg upside-down hanging is conveyed by the conveying unit, its neck is in the same direction as wearing between last clamping bar and lower clamping bar, it can block between last clamping bar and lower clamping bar to be close to head department, convey to when being close to annular saw department, the conveying unit is to the poultry leg, it is outside application of force respectively to poultry head position with lower clamping bar to go up the clamping bar, the poultry neck receives the tensile force, the neck of poultry passes through the annular saw with this state, because the position of annular saw is predetermine as required, and the poultry neck receives the tensile force condition and confirms, therefore the annular saw is to the position that the poultry neck was cut, the dynamics, the degree of depth is unanimous, the realization is drawn the unity of neck effect, and degree of automation is high, labour saving and time saving, labor saving, work efficiency.

The invention is characterized in that the guide unit also comprises an overlap rod which is positioned at the other side of the circular saw and is fixedly connected with the lower clamping rod through a plurality of connecting rods, the lapping rod and the lower clamping rod are arranged at the circular saw at least in a coplanar manner, the top end of the circular saw is slightly higher than the plane of the lapping rod and the lower clamping rod at the position of the circular saw, when the neck of the poultry passes through the circular saw under the state of receiving tensile force, the neck part of the poultry is far away from the head part or the body of the poultry is lapped on the lapping rod, the poultry neck part is scribed between the lapping rod and the lower clamping rod by the circular saw, the stability of the poultry neck part during scribing operation can be improved, meanwhile, the consistency of the cutting depth is further ensured, further, the distance between the lapping rod and the lower clamping rod is less than the length of the neck of the poultry, when in scribing operation, the neck of the poultry far away from the head is lapped on the lapping rod, and the stability of the scribing operation is ensured; further, the annular saw department, take the pole with the same height of lower clamping bar top surface, the annular saw is passed through to poultry neck level promptly, and is preferred, the annular saw axis level can be controlled the annular saw and carry out perpendicular scribing to the poultry neck, improves the scribing effect.

The circular saw is positioned below the conveying unit, the operating line is reasonably arranged, later maintenance is convenient, and the maintenance cost is low.

The invention is particularly characterized in that the head end of the lower clamping rod is provided with a lower clamping rod guide part which is bent towards one side close to the connecting rod, poultry is inversely hung and guided between the lower clamping rod and the upper clamping rod by the lower clamping rod guide part to prepare for the cutting operation, the automation degree of the cutting operation is further improved, preferably, the head end of the upper clamping rod is provided with an upper clamping rod guide part which is bent towards one side far away from the connecting rod, the downward orthographic projection of the corresponding position of the transmission unit is positioned between the lower clamping rod guide part and the upper clamping rod guide part, namely, the poultry inversely hung passes through between the lower clamping rod guide part and the upper clamping rod guide part, and the poultry head is positioned below the lower clamping rod guide part, so that the guide effect is further improved.

The invention is characterized in that the lower clamping rod comprises a lower clamping rod main body which is horizontally arranged, a lower clamping rod guide part and a lower clamping rod lifting part which is smoothly arranged between the lower clamping rod guide part and the lower clamping rod main body; the upper clamping rod comprises an upper clamping rod main body parallel to the lower clamping rod main body and an upper clamping rod lifting part which is smoothly arranged at the head end of the upper clamping rod main body and is matched with the lower clamping rod lifting part, namely the upper clamping rod lifting part is smoothly arranged between the upper clamping rod guide part and the upper clamping rod main body; go up the clamping bar lift portion be higher than clamping bar lift portion down, when the poultry neck was conveyed to lower clamping bar main part department by clamping bar guide part department, the poultry neck was upwards lifted and the poultry neck tended to the horizontally state by the initial free state of hanging down of changing into poultry head, and the clamping bar lift portion can make things convenient for the change of poultry neck state under the setting, and when clamping bar lift portion held up the poultry neck down, it can prevent that the poultry head from taking place to swing and leading to the poultry neck direction to fail to go up the clamping bar lift portion.

The poultry neck guiding device is characterized in that the distance between the head end of the lifting part of the upper clamping rod and the head end of the lifting part of the lower clamping rod is smaller than the distance between the tail end of the lifting part of the upper clamping rod and the tail end of the lifting part of the lower clamping rod, so that the poultry neck is prevented from sliding downwards, further the guiding failure is avoided, and the smooth operation is ensured.

The invention is particularly characterized in that the conveying unit comprises a conveying rail and a plurality of hooks which are uniformly arranged along the conveying direction and are used for hooking or clamping the poultry legs;

the conveying track comprises a parallel part which is positioned on one side of the lapping rod far away from the circular saw and is vertical to the axis direction of the circular saw, a guiding part matched with the guiding part of the lower clamping rod, and an outer pulling part which is smoothly connected between the parallel part and the guiding part, when in conveying, the poultry is conveyed along the guiding part, the neck of the poultry is lapped on one side of the guiding part of the lower clamping rod close to the guiding part of the upper clamping rod or is positioned between the guiding part of the lower clamping rod and the guiding part of the upper clamping rod, when the neck of the poultry is guided to the position below the upper clamping rod and the lower clamping rod, the poultry is conveyed along the outer pulling part, namely the conveying unit stretches the legs of the poultry towards the direction of applying force far away from the head of the poultry, when the head of the poultry is clamped on one side of the upper clamping rod and the lower clamping rod, the conveying unit respectively applies force to the positions of the legs of the poultry, the upper clamping rod and the lower clamping rod outwards, and the neck of the poultry is, the birds are conveyed along the parallel portions to complete the scoring operation.

The invention has the specific characteristics that the tail end of the lower clamping rod is smoothly provided with a first downward bending part, the tail end of the lapping rod is smoothly provided with a second downward bending part, and after the scribing operation is finished, the parts of the poultry lapped on the lower clamping rod and the lapping rod respectively slide downwards through the smooth first downward bending part and the smooth second downward bending part, so that the skin of the poultry is prevented from being injured by sliding when sliding, and the skin integrity of the poultry is ensured; furthermore, the conveying rail further comprises a smoothly-arranged turning part at the tail end of the parallel part, the turning part extends along the periphery of the guide unit and towards one side of the lower clamping rod away from the circular saw, so that the poultry slides down along the turning part along the same trend, the increase of the swing amplitude caused by the sliding down is avoided, the splash of bloodiness of the cut poultry is further prevented, and the space in the field can be reasonably utilized.

The automatic neck-marking device for slaughtering poultry further comprises a bracket for mounting the circular saw and/or the motor and/or the guide unit, wherein an upper clamping rod supporting part for supporting the upper clamping rod main body and a lower clamping rod supporting part for supporting the lower clamping rod main body are fixed on the bracket; the upper clamping rod supporting part is located above the upper clamping rod main body and faces downward to the supporting force direction of the upper clamping rod main body, and the lower clamping rod supporting part is located below the lower clamping rod main body and faces upward to the supporting force direction of the lower clamping rod main body, so that the use stability of the upper clamping rod main body and the lower clamping rod main body is guaranteed.

The automatic neck scratching device for poultry slaughtering comprises the following steps:

step S1: hanging the poultry upside down on the conveying unit and conveying the poultry along the conveying unit;

step S2: the neck of the poultry is led between the upper clamping rod and the lower clamping rod in a penetrating way;

step S3: the poultry neck is far away from the head or the body of the poultry neck is lapped on the lapping rod, the conveying unit respectively applies force to the poultry head by the poultry legs or the poultry tail, the upper clamping rod and the lower clamping rod, the poultry neck is subject to stretching force, and the poultry neck is cut by the circular saw in the state.

The scribing operation performed by the method has the advantages that the position of the circular saw can be preset as required, and the poultry neck is determined by the tensile force, so that the position, the force and the depth of the circular saw for scribing the poultry neck are consistent, the uniformity of the neck scribing effect is realized, the automation degree is high, the time, the labor and the labor are saved, the working efficiency is high, and the production cost is reduced.

The present invention is also specifically characterized in that the step S2 further includes:

step S201: the poultry is conveyed along the guide part, and the neck of the poultry is lapped on one side of the lower clamping rod guide part close to the upper clamping rod guide part or is positioned between the lower clamping rod guide part and the upper clamping rod guide part, and the neck of the poultry is guided to be positioned below the upper clamping rod and below the lower clamping rod;

step S202: the poultry is conveyed along the outer pulling part, namely the poultry legs are stretched towards the direction of applying force to the poultry legs to be far away from the head part of the poultry by the conveying unit until the head part of the poultry legs is clamped at one side corresponding to the upper clamping rod and the lower clamping rod, namely the poultry neck part is stretched by the conveying unit applying force to the poultry legs, the upper clamping rod and the lower clamping rod to the positions of the poultry heads outwards respectively.

The invention has the beneficial effects that: the invention can realize the consistency of position, force and depth of the poultry neck scribing, realizes the uniformity of the neck scribing effect, has high automation degree, saves time, labor and labor, has high working efficiency and reduces the production cost; the invention has simple structure and ingenious design, can be formed by bending, welding or assembling rod pieces such as stainless steel rods and the like, has convenient material acquisition and low manufacturing cost; the automatic neck cutting device for poultry slaughtering provided by the invention is smooth in operation, reasonable in layout, convenient for later maintenance and low in maintenance cost. The neck scratching method provided by the invention has the advantages of high automation degree, labor investment saving, time and labor saving, high operation efficiency, uniform neck scratching effect, practicability, convenience in operation and suitability for wide popularization and application.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the position of the transfer unit of the present invention;

fig. 4 is a schematic front view of the present invention.

Wherein the reference numerals are: 1. a transfer unit; 11. a transfer rail; 111. a guiding part; 112. an outer pull portion; 113. a parallel portion; 114. a corner portion; 12. hooking; 2. a guide unit; 21. a lower clamping rod; 211. a lower clamping bar lifting part; 212. a lower clamping bar guide; 213. a lower clamping bar support; 214. an anti-drop part; 215. a first kick-down portion; 22. an upper clamping rod; 221. an upper clamping bar lifting part; 222. an upper clamping bar guide part; 223. an upper clamping bar supporting part; 23. building a rod; 231. a second kick portion; 24. a connecting rod; 3. a circular saw; 30. a motor; 4. and (4) a bracket.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

Referring to fig. 1 to 4, an embodiment of the present invention provides an automatic neckline device for slaughtering poultry, comprising a conveying unit 1, a circular saw 3, and a guide unit 2 respectively cooperating with the conveying unit 1 and the circular saw 3; the axial direction of the circular saw 3 is vertical to the conveying direction of the corresponding position of the conveying unit 1, and the circular saw 3 is driven by a motor 30 with an output shaft coaxial with the rotating shaft of the motor;

the guide unit 2 includes an upper clamping bar 22 and a lower clamping bar 21 which are located on one side of the circular saw 3 and are sequentially arranged from top to bottom.

When the poultry harvesting machine is used, poultry which are unhaired cleanly are hung upside down on the conveying unit 1, guided to the circular saw 3 by the guide unit 2, and the neck of the poultry is cut by the circular saw 3; the distance between the upper clamping bar 22 and the lower clamping bar 21 is smaller than the maximum outer diameter of the poultry head and slightly larger than the outer diameter of the neck close to the head; concretely, poultry both legs hang upside down and are conveyed by transfer unit 1, its neck is in the same direction as wearing between last clamping bar 22 and lower clamping bar 21, it can block between last clamping bar 22 and lower clamping bar 21 to be close to head department, convey to when being close to circular saw 3 department, transfer unit 1 is to the poultry leg, it is outside application of force respectively to poultry head position with lower clamping bar 21 to go up clamping bar 22, the poultry neck receives the tensile force, the neck of poultry passes through circular saw 3 with this state, owing to predetermine circular saw 3's position as required, and the poultry neck receives the tensile force condition and confirms, therefore circular saw 3 is to the position that the poultry neck was cut, the dynamics, the degree of depth is unanimous, realize the unity of neck effect, and degree of automation is high, labour saving and time saving saves the manual work, work efficiency is high, and the production cost is reduced.

The invention is characterized in that the guide unit 2 also comprises an attachment rod 23 which is positioned at the other side of the circular saw 3 and is fixedly connected with the lower clamping rod 21 through a plurality of connecting rods 24, the attachment rod 23 and the lower clamping rod 21 are arranged at least at the circular saw 3 in a coplanar manner, the top end of the circular saw 3 is slightly higher than the plane of the attachment rod 23 and the lower clamping rod 21 at the position, when the neck of the poultry passes through the circular saw 3 under the condition of tensile force, the neck part is far away from the head part or the body is lapped on the lapping rod 23, the circular saw 3 is used for cutting the neck part of the poultry between the lapping rod 23 and the lower clamping rod 21, the stability of the neck part of the poultry during the cutting operation can be improved, meanwhile, the consistency of the cutting depth is further ensured, further, the distance between the lapping rod 23 and the lower clamping rod 21 is less than the length of the neck of the poultry, when in scribing operation, the neck of the poultry far away from the head is lapped on the lapping rod 23, and the stability of the scribing operation is ensured; further, at circular saw 3 department, take pole 23 and lower clamping bar 21 top surface equal height, the poultry neck level passes through circular saw 3 promptly, and is preferred, and circular saw 3 axis level can be controlled circular saw 3 and carry out perpendicular scribing to the poultry neck, improves the scribing effect.

The invention is also characterized in that the circular saw 3 is positioned below the conveying unit 1, and the operating line is reasonably arranged.

The present invention is further characterized in that the head end of the lower clamping bar 21 is provided with a lower clamping bar guiding portion 212 bent toward the side close to the attachment 23, the poultry is guided between the lower clamping bar 21 and the upper clamping bar 22 by the lower clamping bar guiding portion 212 in preparation for the cutting operation, and the automation degree of the cutting operation is further improved, preferably, the head end of the upper clamping bar 22 is provided with an upper clamping bar guiding portion 222 bent toward the side away from the attachment 23, the downward orthographic projection of the corresponding position of the transfer unit 1 is located between the lower clamping bar guiding portion 212 and the upper clamping bar guiding portion 222, that is, the poultry is inversely hung between the lower clamping bar guiding portion 212 and the upper clamping bar guiding portion 222, and the poultry head is located below the lower clamping bar guiding portion 212, so as to further improve the guiding effect.

The present invention is further characterized in that the lower clamping bar 21 comprises a lower clamping bar body horizontally arranged, a lower clamping bar guide part 212, and a lower clamping bar lifting part 211 smoothly arranged between the lower clamping bar guide part 212 and the lower clamping bar body; the upper clamping bar 22 includes an upper clamping bar main body parallel to the lower clamping bar main body, an upper clamping bar guide 222, and an upper clamping bar lifting portion 221 smoothly disposed between the upper clamping bar guide 222 and the upper clamping bar main body; the upper clamping bar lifting part 221 is higher than the lower clamping bar lifting part 211, when the poultry neck is transferred from the clamping bar guiding part 212 to the lower clamping bar main body, the poultry neck is changed from the original free falling state to the state that the poultry head is lifted upwards and the poultry neck tends to be horizontal, the lower clamping bar lifting part 211 can facilitate the change of the state of the poultry neck, and when the lower clamping bar lifting part 211 supports the poultry neck, the upper clamping bar lifting part 221 can prevent the poultry head from swinging to cause the failure of the poultry neck guiding.

The invention is characterized in that the distance between the head end of the upper clamping bar lifting part 221 and the head end of the lower clamping bar lifting part 211 is smaller than the distance between the tail end of the upper clamping bar lifting part 221 and the tail end of the lower clamping bar lifting part 211, so that the neck of the poultry is prevented from sliding downwards, the guide failure is avoided, and the smooth operation is ensured.

The invention is also characterized in that the transfer unit 1 comprises a transfer rail 11 and a plurality of hooks 12 uniformly arranged along the transfer direction, wherein the hooks 12 are used for hooking or clamping the poultry legs;

the conveying rail 11 comprises a parallel portion 113 located on the side of the support rod 23 far from the circular saw 3 and perpendicular to the axial direction of the circular saw 3, a guiding portion 111 engaged with the lower clamp rod guiding portion 212, and an outer pulling portion 112 smoothly connected between the parallel portion 113 and the guiding portion 111, when the poultry is conveyed along the guiding portion 111, the neck portion of the poultry is supported on the side of the lower clamp rod guiding portion 212 close to the upper clamp rod guiding portion 222 or between the lower clamp rod guiding portion 212 and the upper clamp rod guiding portion 222, when the neck portion of the poultry is guided to the position below the upper clamp rod 22 and below the lower clamp rod 21, the poultry is conveyed along the outer pulling portion 112, that is, the poultry legs are forced to be pulled in the direction far from the head portion by the conveying unit 1, and when the head portion is supported on the side of the upper clamp rod 22 and the lower clamp rod 21, that is, the positions of the poultry legs, the upper clamp rod 22 and the lower clamp rod 21 are respectively forced to be pulled outward, in this state, the poultry is conveyed along the parallel portion 113 to complete the scribing work.

The invention has the specific characteristics that the tail end of the lower clamping rod 21 is smoothly provided with a first downward bending part 215, the tail end of the lapping rod 23 is smoothly provided with a second downward bending part 231, and after the cutting operation is finished, the parts of the poultry lapped on the lower clamping rod 21 and the lapping rod 23 respectively slide downwards through the smooth first downward bending part 215 and the smooth second downward bending part 231, so that the skin of the poultry is prevented from being injured when sliding, and the integrity of the skin of the poultry is ensured; further, transfer rail 11 still includes the level and smooth portion of turning 114 that sets up at parallel portion 113 tail end, and the portion of turning 114 is along guide element 2 periphery, the extension of the circular saw 3 one side is kept away from to clamping bar 21 downwards for the poultry follows the situation gliding along portion of turning 114, avoids its swing amplitude increase because of gliding leads to, and then prevents that the bloody stain of poultry after cutting from splashing, in addition can also the space in the rational utilization field.

The invention is characterized in that the automatic neck-marking device for slaughtering poultry further comprises a bracket 4 for mounting a circular saw 3 and/or a motor 30 and/or a guide unit 2, an upper clamping bar supporting part 223 for supporting an upper clamping bar main body and a lower clamping bar supporting part 213 for supporting a lower clamping bar main body are fixed on the bracket 4; the upper clamping bar supporting part 223 is located above the upper clamping bar main body and faces downward to the supporting force of the upper clamping bar main body, and the lower clamping bar supporting part 213 is located below the lower clamping bar main body and faces upward to the supporting force of the lower clamping bar main body, so that the use stability of the upper clamping bar main body and the lower clamping bar main body is ensured.

A neck scratching method by using an automatic neck scratching device for poultry slaughtering comprises the following steps:

step S1: hanging poultry upside down on the conveying unit 1 and conveying the poultry along the conveying unit 1;

step S2: the neck of the poultry is led between the upper clamping rod 22 and the lower clamping rod 21;

step S3: the poultry neck is far away from the head or the body of the poultry is lapped on the lapping rod 23, the transmission unit 1 respectively applies force to the poultry leg or tail, the upper clamping rod 22 and the lower clamping rod 21 to the poultry head, the poultry neck is subjected to stretching force, and the poultry neck is cut by the circular saw 3 in the state.

The scribing operation carried out by the method has the advantages that the position of the circular saw 3 can be preset as required, and the poultry neck is determined by the tensile force condition, so that the position, the force and the depth of the circular saw 3 for scribing the poultry neck are consistent, the uniformity of the neck scribing effect is realized, the automation degree is high, the time, the labor and the labor are saved, the working efficiency is high, and the production cost is reduced.

The present invention is specifically characterized in that step S2 further includes:

step S201: the poultry is conveyed along the guiding part 111, and the neck of the poultry is overlapped on one side of the lower clamping bar guiding part 212 close to the upper clamping bar guiding part 222 or between the lower clamping bar guiding part 212 and the upper clamping bar guiding part 222, and the neck of the poultry is guided to be positioned below the upper clamping bar 22 and below the lower clamping bar 21;

step S202: the poultry is conveyed along the outer pulling portion 112, i.e. the poultry legs are forced by the conveying unit 1 to be pulled in a direction away from the head until the head is clamped at the side corresponding to the upper clamping bar 22 and the lower clamping bar 21, i.e. the poultry legs, the upper clamping bar 22 and the lower clamping bar 21 are respectively forced outward by the conveying unit 1, and the poultry neck is pulled.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.