Chicken wing cutting equipment for chicken processing

Abstract

The invention provides chicken wing cutting equipment for chicken processing. The chicken wing cutting equipment comprises a conveying device and a cutting device, a plurality of carrying discs are installed on the conveying device, clamping structures used for clamping the wing roots and the wing middle joints are arranged on the carrying discs, and the carrying discs are driven to move circularly and pass through the cutting device. The cutting device comprises a straightening mechanism and a cutting mechanism, and the straightening mechanism is used for straightening and straightening chicken wings on the carrying disc; the cutting mechanism is used for cutting the joint parts of the straightened chicken wings; chicken wings can be straightened, joint points are located at cutting point positions as much as possible, cutting deviation caused by placing deviation of the chicken wings is prevented, and the cutting accuracy and the product quality are effectively improved.

Description

Technical Field

[0001] The present invention relates to the field of chicken processing, and more specifically, to a wing cutting device for chicken processing. Background Art

[0002] In the chicken processing industry, a common processing method is to cut the whole chicken wings at the two joints of the wings respectively, dividing them into three parts: the drumette, the wing middle part, and the wing tip, so that each part is sold as an independent product.

[0003] Currently, the existing cutting devices mainly drive the material tray to move through the conveyor belt. The material tray is provided with grooves in the shape of chicken wings. Workers can place the whole wings into the grooves. The conveyor belt drives the material tray to move towards the cutting device, and the cutting knife at the cutting device divides the chicken wings into three sections to achieve processing. Its overall efficiency is relatively high, but there are also obvious defects. The size of the grooves is relatively large. Even for chicken wings of the same specification, the placement position of each chicken wing has a deviation. Especially for the two joints and the three-section parts of the whole wing, when in a bent state and with different bending angles, the deviation will be even greater, resulting in inaccurate cutting, large errors, and affecting the product quality, which needs to be improved. Summary of the Invention

[0004] In order to overcome the defects of the prior art, the technical problem to be solved by the present invention is to provide a wing cutting device for chicken processing, which can straighten the chicken wings, make the joint points fall on the cutting points as much as possible, prevent cutting deviation caused by the deviation of the chicken wing placement, and effectively improve the cutting accuracy and product quality.

[0005] To achieve this purpose, the present invention adopts the following technical solutions:

[0006] The present invention provides a wing cutting device for chicken processing, including a conveying device and a cutting device. A plurality of loading trays are installed on the conveying device. The loading trays are provided with a clamping structure for clamping the joint part between the drumette and the wing middle part. The loading trays are driven to move in a cycle and pass through the cutting device. The cutting device includes a straightening mechanism and a cutting mechanism. The straightening mechanism is used to straighten the chicken wings on the passing loading trays. The cutting mechanism is used to cut the joint parts of the straightened chicken wings.

[0007] In a preferred technical solution of the present invention, the loading tray includes a tray body. The tray body includes a rectangular support plate. Support strips are fixedly arranged on the top surfaces of the two long sides of the support plate. The clamping structure is installed on the support strip closer to the downstream side of the conveyor. The clamping structure expands and contracts along the conveying direction. A narrowed clamping part is formed between the head of the clamping structure and the other support strip.

[0008] In a preferred technical solution of the present invention, the clamping structure includes two groups of clamping components, the clamping components include a locking piece, a spring, and a first clamping spring; the locking piece includes a first guide rod, and a clamping head is fixedly provided at one end of the first guide rod; a first guide hole adapted to the first guide rod is provided on the support bar, and the first guide rod penetrates the support bar through the first guide hole, and the first clamping spring is installed on the end side wall of the first guide rod away from the clamping head, the spring is sleeved on the first guide rod, and the clamp is arranged between the clamping head and the support bar to provide an elastic force for the clamping head to push outward; the top view plane of the clamping head is a right-angled triangle structure, and the right-angled side planes of the two clamping heads are arranged opposite to each other, and a spacing is left between the two for the cutting knife to move; an isosceles triangle contour is formed between the two clamping heads, which is adapted to the joint part between the wing root and the wing.

[0009] In a preferred technical solution of the present invention, the cutting mechanism includes a motor, a transmission shaft, and a cutting knife; the transmission shaft is rotatably mounted on a support frame through a bearing, and the output shaft of the motor is transmission-connected to one end of the transmission shaft; the number of cutting knives is 2, and the cutting knives are fixedly mounted on the transmission shaft and arranged corresponding to the joint parts of the chicken wings after straightening; a first slot for the cutting knife to move is correspondingly provided on the support bar; and the straightening mechanism is located on the upstream side of the cutting mechanism.

[0010] In a preferred technical solution of the present invention, a sink groove is provided on the bottom surface of the support plate corresponding to the first slot, and both ends of the sink groove extend to both sides of the support plate, and the bottom end of the cutting knife is lower than the top surface of the support plate.

[0011] In a preferred technical solution of the present invention, the straightening mechanism includes a support shaft, a limit shaft, a first bracket, a plurality of pull hooks and a plurality of tension springs; the support shaft, the limit shaft and the first bracket are all fixedly mounted on the support frame, the first bracket is located below the support shaft, and the limit shaft is located below the side of the support shaft close to the downstream of the conveyor; the pull hook is a plate-like structure, including a slat portion, one end of the slat portion is fixedly provided with a collar portion, and the other end is bent to form a hook portion; an extension portion is provided in the middle of the slat portion, and a second guide hole is provided on the extension portion that runs through both sides; the collar portion is sleeved on the support shaft On the upper part, the pull hook rotates around the support shaft through the sleeve; the second guide hole extends along the rotation trajectory of the pull hook, and the limiting shaft is penetrated at the second guide hole. When the upper end of the second guide hole is against the limiting shaft, the bent hook part is in an upright position, and the bottom end is not lower than the top surface of the support plate; one end of the tension spring is connected to the first bracket, and the other end is connected to the lower side strip of the slat part to provide the pull hook with elastic force for pulling down; the pull hook is distributed in three groups corresponding to the wing root, wing middle and wing tip, and the cutting knife is arranged at the corresponding interval area of ​​the pull hook group; a second slot for the pull hook to pass through is provided on the support bar.

[0012] In a preferred technical solution of the present invention, the bottom end of the hook portion is an arc-shaped structure, and the bottom end of the hook portion is flush with the top surface of the support plate.

[0013] In a preferred technical solution of the present invention, a retaining strip is fixedly provided at the top of the inner wall of the support strip on the upstream side. The retaining strip is provided with notches corresponding to the first slot and the second slot, which does not affect the movement of the cutting knife and the hook.

[0014] In a preferred technical solution of the present invention, two material dividing plates are installed at the discharging end of the conveying device. The two material dividing plates are respectively arranged corresponding to the two cutting knives. The material dividing plates extend in an arc shape along the discharging end of the conveying device, and the material dividing plates are clamped into the corresponding first slots.

[0015] The beneficial effects of the present invention are as follows:

[0016] A chicken wing splitting device for chicken processing provided by the present invention includes a conveying device and a splitting device. A plurality of loading trays are installed on the conveying device, and a clamping structure is provided on the loading trays. The joints of the wing roots and the wing middles are clamped and fixed through the clamping structure, determining a joint point position, and effectively preventing the chicken wings from shifting during subsequent transfer.

[0017] The splitting device includes a straightening mechanism and a cutting mechanism. The straightening mechanism is used to straighten the chicken wings on the passing loading trays; the cutting mechanism is used to cut the joint parts of the straightened chicken wings. By limiting the joints of the wing roots and the wing middles through the clamping structure, and then straightening the chicken wings through the straightening mechanism, the position of the whole chicken wing is relatively determined, and the positions of the two joints are naturally relatively clear. Especially for the processing of chicken wings of the same specification, even if the size of the chicken wings is slightly deviated, the joint points will be as close as possible to the cutting positions. At least, the joint points will not deviate due to the bending of the chicken wings. After the above clamping and straightening actions, cutting is performed, which can effectively improve the overall cutting accuracy and ensure the overall product quality. Brief Description of the Drawings

[0018] Figure 1 is a three-dimensional structural schematic diagram of a chicken wing splitting device for chicken processing provided in a specific embodiment of the present invention;

[0019] Figure 2 is a three-dimensional structural schematic diagram of the loading tray provided in a specific embodiment of the present invention;

[0020] Figure 3 is a three-dimensional unfolded structural schematic diagram of the loading tray provided in a specific embodiment of the present invention;

[0021] Figure 4 is a three-dimensional structural schematic diagram of the splitting device from the first perspective provided in a specific embodiment of the present invention;

[0022] Figure 5 is a three-dimensional structural schematic diagram of the splitting device from the second perspective provided in a specific embodiment of the present invention;

[0023] Figure 6 It is a schematic diagram of the three-dimensional unfolded structure of the splitting device provided in the specific embodiment of the present invention;

[0024] Figure 7 It is a schematic diagram of the three-dimensional structure of the hook provided in the specific embodiment of the present invention.

[0025] In the figure:

[0026] 100, conveying device; 200, splitting device; 210, support frame;

[0027] 300, carrier tray; 310, tray body; 311, support plate; 312, support bar; 313, first guiding hole; 314, first slot; 315, sinking groove; 316, second slot; 317, retaining bar; 320, clamping structure;

[0028] 400, straightening mechanism; 410, support shaft; 420, limiting shaft; 430, first bracket; 440, hook; 441, strip part; 442, collar part; 443, bent hook part; 444, extension part; 445, second guiding hole; 450, tension spring;

[0029] 500, cutting mechanism; 510, motor; 520, transmission shaft; 530, cutting knife; 600, dividing plate;

[0030] 700, clamping assembly; 710, locking part; 711, first guiding rod; 712, chuck; 720, spring; 730, first circlip. Specific embodiments

[0031] The technical solution of the present invention will be further described below with reference to the accompanying drawings and through specific embodiments.

[0032] As Figure 1 、 Figure 4 shown, a chicken wing splitting device for chicken processing disclosed in the specific embodiment of the present invention includes a conveying device 100 and a splitting device 200; a plurality of carrier trays 300 are installed on the conveying device 100, and a clamping structure 320 for clamping the joint part of the wing root and the wing middle is provided on the carrier tray 300. The carrier tray is driven to move circularly and passes through the splitting device 200; the splitting device 200 includes a straightening mechanism 400 and a cutting mechanism 500. The straightening mechanism 400 is used to straighten the chicken wings on the passing carrier tray 300; the cutting mechanism 500 is used to cut the joint part of the straightened chicken wings.

[0033] For the above-mentioned chicken wing splitting device for chicken processing, the joint of the wing root and the wing middle is clamped and fixed through the clamping structure, determining a joint point position, and effectively preventing the chicken wings from shifting during subsequent transfer;

[0034] The splitting device includes a straightening mechanism and a cutting mechanism. The straightening mechanism is used to straighten the chicken wings on the passing carrier tray; the cutting mechanism is used to cut the joint parts of the straightened chicken wings; the joint between the wing root and the wing middle is limited by the clamping structure, and then the chicken wings are straightened by the straightening mechanism. The position of the whole chicken wing is relatively determined, and the positions of the two joints are naturally also relatively clear. Especially for the processing of chicken wings of uniform specifications, even if the size of the chicken wings is slightly deviated, the joint points will still be as close as possible to the cutting position. At least, the joint points will not deviate due to the bending of the chicken wings. After the above clamping and straightening actions, cutting is carried out, which can effectively improve the overall cutting accuracy and ensure the overall product quality.

[0035] Further, as Figure 2 , Figure 3 shown, the carrier tray 300 includes a tray body 310. The tray body 310 includes a rectangular support plate 311, and support bars 312 are fixedly arranged on the top surfaces of the two long sides of the support plate 311; the clamping structure 320 is installed on the support bar 312 on the side close to the downstream of the conveyor. The clamping structure can expand and contract along the conveying direction, and a narrowing clamping part is formed between the head of the clamping structure and the support bar on the other side; a part for accommodating the chicken wings is formed by the two support bars, and the support bar on the side close to the downstream is used as the installation part of the clamping structure; the clamping structure is arranged in this direction. On the one hand, it forms a clamping part to facilitate the placement and clamping fixation of the chicken wings; on the other hand, it provides conditions for the operation of the subsequent straightening mechanism, preventing interference with the straightening mechanism, and ensuring that the straightening mechanism can use the support bar on the upstream side as the force-bearing part for supporting the chicken wings so as to straighten the chicken wings.

[0036] Among them, it should be noted that the conveying device is a chain plate conveyor belt structure. A plurality of chain plates are erected on two oppositely arranged chains. Docking plates are fixedly arranged at both ends of the support plate, and the docking plates are installed on the chain plates by bolts, so that the carrier tray moves along with the conveying chain; the chain plate conveyor belt is a common conveying structure and can be purchased and used on the market, and will not be elaborated here.

[0037] Furthermore, the clamping structure 320 includes two sets of clamping components 700, and the clamping component 700 includes a locking piece 710, a spring 720, and a first retaining spring 730; the locking piece 710 includes a first guide rod 711, and a clamping head 712 is fixedly provided at one end of the first guide rod 711; a first guide hole 313 adapted to the first guide rod 711 is provided on the support bar 312, and the first guide rod passes through the support bar through the first guide hole, and the first retaining spring is installed on the end side wall of the first guide rod away from the clamping head, and the spring is sleeved on the first guide rod and clamped between the clamping head and the support bar to provide an elastic force for the clamping head to push outward; the overall assembled structure can facilitate the processing and production of various structural components, and also facilitate the subsequent disassembly and replacement of components; wherein, the use of a spring as a force-applying component can facilitate the clamping of the chicken wings when they are clamped. The back compression makes it easier to place the chicken wings, and it can also rebound quickly after the force is released, providing a more stable clamping effect on the joints of the chicken wings. This action does not require electric drive, and the overall structure is simple, which is convenient for the design and layout of other structures. Furthermore, the top view plane of the clamp 712 is a right-angled triangle structure, and the right-angled side planes of the two clamps are arranged opposite to each other, leaving a spacing between the two for the cutting knife to move. An isosceles triangle profile is formed between the two clamps to fit the joints between the wing root and the middle of the wing. On the one hand, this structural design is to fit the corner shape of the joint between the wing root and the middle of the wing, to achieve better clamping and adhesion effects, and to prevent the chicken wings from shifting during transfer. On the other hand, it can provide space for the cutting knife to move, and simultaneously satisfy the cutting action of the cutting knife on this joint without affecting the clamping effect.

[0038] Furthermore, if Figures 4 to 6 As shown, the cutting mechanism 500 includes a motor 510, a transmission shaft 520, and a cutting knife 530; the transmission shaft 520 is rotatably mounted on the support frame 210 through a bearing, and the output shaft of the motor 510 is transmission-connected to one end of the transmission shaft 520; the number of cutting knives is 2, and the cutting knives 530 are fixedly mounted on the transmission shaft 520, corresponding to the joint parts of the straightened chicken wings; the support bar 312 is provided with a first slot 314 for the cutting knife 530 to move; the cutting mechanism is simple, and the two cutting knives are driven to rotate by the motor to effectively cut the joint parts of the chicken wings; the straightening mechanism 400 is located on the side of the cutting mechanism 500 close to the upstream, so that the chicken wings are cut in a straightened state, achieving an accurate cutting effect.

[0039] Furthermore, if Figure 3 As shown, a groove 315 is provided on the bottom surface of the support plate 311 corresponding to the first slot 314, and both ends of the groove extend to both sides of the support plate. The bottom end of the cutting knife is lower than the top surface of the support plate, ensuring that the chicken wings can be completely cut and divided when the cutting knife passes.

[0040] Furthermore, if Figure 6 , Figure 7As shown, the straightening mechanism 400 includes a support shaft 410, a limit shaft 420, a first bracket 430, a plurality of hooks 440 and a plurality of tension springs 450; the support shaft 410, the limit shaft 420 and the first bracket 430 are all fixedly mounted on the support frame 210, the first bracket 430 is located below the support shaft 410, and the limit shaft 420 is located below the side of the support shaft 410 close to the downstream of the conveying; the hook 440 is a plate-like structure, including a slat portion 441, one end of the slat portion 441 is fixedly provided with a collar portion 442, and the other end is bent to form a hook portion 443; the middle part of the slat portion 441 is provided with an extension portion 444, and the extension portion 4 A second guide hole 445 is provided on the support plate 44 through both sides; the collar portion 442 is sleeved on the support shaft 410, and the hook is sleeved around the support shaft to rotate; the second guide hole 445 extends along the rotation trajectory of the hook 440, and the limit shaft 420 is penetrated at the second guide hole 445. When the upper end of the second guide hole is against the limit shaft, the curved hook portion is in an upright position, and the bottom end is not lower than the top surface of the support plate; one end of the tension spring 450 is connected to the first bracket 430, and the other end is connected to the lower side strip position of the strip portion 441 to provide elastic force for the hook to pull down; the support strip 312 is provided with a second slot 316 for the hook 440 to pass through;

[0041] This structural design allows the pull hook to be mainly supported by the support shaft and serve as a rotating fulcrum. The limit shaft and the second guide hole cooperate to allow the pull hook to rotate and swing in the desired direction so that it can accurately fall on the position of the second slot. When the carrier plate moves through the straightening mechanism, the pull hook can smoothly enter the inside of the carrier plate and provide a pressing, correcting and straightening effect on the chicken wings. In addition, the pull hook provides a resetting tension through a tension spring. When the carrier plate below passes through, the bent hook portion contacts the chicken wings and provides a force to stop the chicken wings from moving. And continue the whole moving process, so as to achieve the action of straightening and straightening the chicken wings; when the loading plate continues to move forward, the contact force between the chicken wings and the hook continues to increase until it can overcome the elastic force of the tension spring, and the hook is lifted up, until the chicken wings are out of the position of the hook, the hook will be reset to the initial position under the tension of the spring, and prepare for the passage of the next loading plate; it should be pointed out that in the process of the hook blocking and pressing the chicken wings, and the chicken wings lifting the hook, the cutting knife completes the cutting of the chicken wings, so as to achieve the effect of cutting the chicken wings after pressing and straightening;

[0042] Furthermore, the hooks are distributed in three groups corresponding to the wing root, wing middle and wing tip, and the cutting knife is arranged at the corresponding interval area of ​​the hook group to ensure that the cutting knife and the hook do not affect each other, so that the cutting action is performed only after pressing and straightening;

[0043] Furthermore, since the width of the wing tip is much smaller than that of the wing middle and the wing root, the length of the pull hook corresponding to the wing tip is shorter, so that the pull hook can be in contact with the chicken wing as synchronously as possible, thereby providing an effective pressing and straightening effect;

[0044] It should be pointed out that in large-scale production, chicken wings are processed according to uniform specifications, the size of the chicken wings is relatively consistent, and the error range is acceptable;

[0045] Furthermore, shaft supports are fixedly installed at both ends of the support shaft through column pins, and the shaft supports are fixedly installed on the support frame through bolts, and the support shaft itself will not rotate; annular grooves are provided on both sides of the support shaft corresponding to each hook, which are used to clamp the second retaining spring, and the limiting ring is rotatably installed on the support shaft without deviation; and a docking piece is fixedly provided at one end of the limit shaft, and the docking piece is fixed to the support frame on one side through bolts, and a socket is provided on the support frame on the other side corresponding to the limit shaft, and the end of the limit shaft is inserted into the socket, so that the limit shaft is fixedly installed on the support frame and will not easily loosen. The limit shaft adopts this structure to easily pass through the second guide hole, which is convenient for overall installation;

[0046] Furthermore, both ends of the first bracket are mounted on the support frame by bolts, and the first bracket is provided with a plurality of convex plates corresponding to the plurality of pull hooks, and a first through-hole is provided on the convex plate, and a second through-hole is provided corresponding to the lower side strip of the slat part, and both ends of the tension spring are respectively hooked at the first through-hole and the second through-hole, and each pull hook is applied with force by an independent tension spring, so as to better adapt to the force requirements of different parts of the chicken wing and provide a better clamping effect;

[0047] Furthermore, the edges of the first slot and the second slot are chamfered to facilitate the passage of the cutting knife and the hook;

[0048] Furthermore, a first gantry is installed on the frame of the conveying device, the first gantry is located in the middle of the conveying device and spans the conveying device, two support frames are symmetrically installed on the bottom surface of the frame plate of the first gantry, and the motor is also installed on the bottom surface of the frame plate, so that the entire cutting mechanism and the straightening mechanism are built on the first gantry, providing stable operating conditions;

[0049] Furthermore, the bottom end of the hook portion 443 is an arc-shaped structure, and the bottom end of the hook portion 443 is flush with the top surface of the support plate 311. The arc portion of the hook portion can make better contact with the chicken wing, especially to facilitate the pull hook to be lifted up, ensuring that the pull hook can be smoothly swung upward and tilted when the force is sufficient, so that the loading tray can pass smoothly.

[0050] Furthermore, a baffle 317 is fixedly provided on the top of the inner wall of the support bar 312 located on the upstream side, and the baffle is provided with notches corresponding to the first slot and the second slot, so as not to affect the movement of the cutting knife and the hook; the design of the baffle further strengthens the blocking of the chicken wings, preventing the chicken wings from easily curling up or detaching when subjected to the squeezing thrust of the hook, thereby maintaining an effective clamping effect for cutting.

[0051] Further, two material dividing plates 600 are installed at the discharging end of the conveying device 100. The two material dividing plates 600 are respectively arranged corresponding to the two cutting knives 530. The material dividing plates extend in an arc shape along the discharging end of the conveying device, and the material dividing plates 600 are clamped into the corresponding first slot 314; further, a second gantry is installed at the output end position of the conveying device, and a second bracket is installed at the bottom. The top end of the material dividing plate is installed on the second gantry through bolts, and the bottom end is installed on the second bracket through bolts, so as to stably install the material dividing plate and keep it in the required position; when the carrier plate passes through the position of the material dividing plate, the cut wing roots, wing middles, and wing tips inside fall to the corresponding areas, realizing the effect of separation and placement.

[0052] The present invention is described by way of preferred embodiments. Those skilled in the art will know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the present invention. The present invention is not limited by the specific embodiments disclosed herein, and other embodiments falling within the scope of the claims of this application belong to the protection scope of the present invention.

Claims

1. A chicken wing cutting device for chicken processing, characterized in that: It includes a conveying device and a splitting device; A plurality of loading trays are installed on the conveying device, and a clamping structure for clamping the wing root and the wing mid-joint is provided on the loading tray. The loading tray is driven to move in a circular motion and passes through the dividing device; The segmentation device comprises a straightening mechanism and a cutting mechanism. The straightening mechanism is used to straighten the chicken wings on the passing loading tray; the cutting mechanism is used to cut the joint parts of the straightened chicken wings.

2. The chicken wing cutting device for chicken processing according to claim 1, characterized in that: The loading tray includes a tray body, which includes a rectangular support plate, and support strips are fixedly arranged on the top surfaces of the two long sides of the support plate; The clamping structure is installed on the support bar close to the downstream side of the conveying. The clamping structure is telescopic and movable along the conveying direction, and a narrowed clamping part is formed between the head of the clamping structure and the support bar on the other side.

3. The chicken wing cutting device for chicken processing according to claim 2, characterized in that: The clamping structure includes two sets of clamping components, and the clamping components include a lock, a spring, and a first clamping spring; The locking element comprises a first guide rod, one end of which is fixedly provided with a clamping head; The support bar is provided with a first guide hole adapted to the first guide rod, the first guide rod penetrates the support bar through the first guide hole, the first clamping spring is installed on the end side wall of the first guide rod away from the clamping head, the spring is sleeved on the first guide rod, and the clamp is arranged between the clamping head and the support bar to provide an elastic force for the clamping head to push outward; The top view plane of the clamp is a right-angled triangle structure, and the right-angled side planes of the two clamps are arranged opposite to each other, leaving a spacing between the two for the cutting knife to move; an isosceles triangle outline is formed between the two clamps, which is suitable for the joint area between the wing root and the wing.

4. The chicken wing cutting device for chicken processing according to claim 3, characterized in that: The cutting mechanism includes a motor, a transmission shaft, and a cutting knife; The transmission shaft is rotatably mounted on the support frame through a bearing, and the output shaft of the motor is transmission-connected to one end of the transmission shaft; The number of cutting knives is 2, and the cutting knives are fixedly mounted on the transmission shaft and arranged corresponding to the joints of the straightened chicken wings; The support bar is provided with a first slot for the cutting knife to move. The straightening mechanism is located on the upstream side of the cutting mechanism.

5. The chicken wing cutting device for chicken processing according to claim 4, characterized in that: A sink groove is provided on the bottom surface of the support plate corresponding to the first slot, and two ends of the sink groove extend to two sides of the support plate, and the bottom end of the cutting knife is lower than the top surface of the support plate.

6. The chicken wing cutting device for chicken processing according to claim 4, characterized in that: The straightening mechanism includes a supporting shaft, a limiting shaft, a first bracket, a plurality of hooks and a plurality of tension springs; The support shaft, the limiting shaft and the first bracket are all fixedly mounted on the support frame, the first bracket is located below the support shaft, and the limiting shaft is located below the side of the support shaft close to the downstream of the conveyor; The pull hook is a plate-like structure, including a slat part, one end of which is fixedly provided with a collar part, and the other end is bent to form a hook part; an extension part is provided in the middle of the slat part, and a second guide hole penetrating through both sides is provided on the extension part; The collar part is sleeved on the support shaft, and the pull hook rotates around the support shaft through the sleeve; The second guide hole extends along the rotation track of the pull hook, and the limiting shaft is arranged at the second guide hole. When the upper end of the second guide hole abuts against the limiting shaft, the curved hook part is in an upright position, and the bottom end is not lower than the top surface of the support plate; One end of the tension spring is connected to the first bracket, and the other end is connected to the lower side strip of the slat part to provide elastic force for the pull hook to pull down; The hooks are distributed in three groups corresponding to the wing root, wing middle and wing tip, and the cutting knife is arranged at the corresponding interval area of ​​the hook group; The support bar is provided with a second slot for the hook to pass through.

7. The chicken wing cutting device for chicken processing according to claim 6, characterized in that: The bottom end of the hook portion is an arc-shaped structure, and the bottom end of the hook portion is flush with the top surface of the support plate.

8. The chicken wing cutting device for chicken processing according to claim 6, characterized in that: A blocking strip is fixedly provided on the top of the inner wall of the support strip located on the upstream side, and the blocking strip is provided with notches corresponding to the first slot and the second slot, so as not to affect the movement of the cutting knife and the pull hook.

9. The chicken wing cutting device for chicken processing according to claim 4, characterized in that: Two dividing plates are installed at the unloading end of the conveying device. The two dividing plates are respectively arranged corresponding to the two cutting knives. The dividing plates extend in an arc shape along the unloading end of the conveying device, and the dividing plates are stuck in the corresponding first slots.

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