A skewering device for beef production

Abstract

The present invention belongs to the technical field of meat processing, and specifically relates to a meat skewering device for beef production, comprising: a frame, a meat skewering mechanism, an automatic skewering mechanism and a driving mechanism, wherein the meat skewering mechanism comprises a lifting plate, a reversing knife holder, a knife seat, a meat skewer, a push rod seat, a push plate and a push pin seat, wherein the lifting plate is provided with a meat skewering groove and a T-shaped slide rail, the reversing knife holder is fixedly arranged on the lifting plate, a slider is arranged on the reversing knife holder, the knife seat, the push rod seat and the push plate are slidably arranged on the T-shaped slide rail in sequence, the push pin seat is fixedly arranged on the lifting plate, the meat skewer is rotatably arranged on the knife seat, the automatic skewering mechanism is fixedly connected to the reversing knife holder, and the driving mechanism is arranged on the lifting plate, the meat skewering mechanism fixes a bamboo skewer or a wooden skewer whose tip is easily bent into the meat skewer, and pushes the bamboo skewer or the wooden skewer out of the meat skewer after the meat skewer pierces the beef block, thereby effectively solving the problems of slow meat skewering speed and easy bending of the bamboo skewer or the wooden skewer in the prior art.

Description

Technical Field

[0001] The invention belongs to the technical field of meat processing, and in particular relates to a meat skewering device for beef production. Background Art

[0002] In the beef production process, skewering is a common process. At present, bamboo or wooden skewers are widely used in this process. Bamboo and wooden skewers are widely used in small workshops and some traditional production methods because they are made of natural materials and have relatively low costs.

[0003] The existing skewering equipment has a slow skewering speed, and the bamboo and wooden skewers are soft in texture. They cannot penetrate quickly each time they are inserted, and careful operation is required to prevent the skewers from bending or damaging the beef chunks. This leads to low efficiency in the entire skewering process, especially in large-scale beef production, which cannot meet the needs of rapid production. At the same time, the skewers are easily damaged. Since the beef itself has a certain toughness and firmness, when skewering the meat, the tip of the bamboo or wooden skewers is easily bent under continuous resistance. Once the tip of the skewer is bent, it cannot continue to skewer the meat normally, and a new skewer needs to be replaced, which not only wastes skewer resources, but also interrupts the skewering operation, further affecting production efficiency.

[0004] Therefore, it is necessary to study a kind of beef production skewering equipment that can prevent bamboo sticks or wooden sticks from bending, and improve the skewering speed. Summary of the invention

[0005] In view of the above-mentioned deficiencies in the prior art, the present invention provides a beef skewering device for beef production, which is used to solve the problems of slow skewering speed and easy bending of bamboo or wooden skewers in the prior art.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] A skewering device for beef production, comprising: a frame, a skewering mechanism, an automatic skewering mechanism and a driving mechanism;

[0008] The frame is provided with a lifting bracket, a telescopic rod and a conveyor belt, the lifting bracket is arranged above the conveyor belt, and the telescopic rod is arranged on the lifting bracket;

[0009] The skewering mechanism comprises a lifting plate, a reversing knife holder, a knife seat, a skewering knife, a push rod seat, a push plate and a push needle seat, the lifting plate is slidably arranged on the lifting bracket, the lifting plate is connected to the telescopic rod, a skewering groove and a T-shaped slide rail are arranged on the lifting plate, the reversing knife holder is fixedly arranged on the lifting plate, a slider is arranged on the reversing knife holder, the knife seat, the push rod seat and the push plate are slidably arranged on the T-shaped slide rail in sequence, a limit rod and a first spring are arranged on the knife seat, and the limit rod is arranged on the end surface of the knife seat close to the push rod seat. The push rod seat is provided with a push rod and a limit rod hole, the push rod is fixedly arranged on the push rod seat, the limit rod is slidably matched with the limit rod hole, the knife seat is connected to the push rod seat through a first spring, the push plate is provided with a second spring, a third spring, and a rack, the push rod seat is connected to the push plate through a second spring, the push plate is connected to the lifting plate through a third spring, the rack is fixedly connected to the push plate, the push pin seat is fixedly arranged on the lifting plate, a push pin is fixedly arranged on the push pin seat, and the skewer is rotatably mounted on the knife seat;

[0010] The automatic signature delivery mechanism is fixedly connected to the reversing tool holder;

[0011] The driving mechanism is installed on the lifting plate, and the driving mechanism is connected with the meat skewering mechanism and the automatic skewer feeding mechanism.

[0012] Furthermore, the lifting plate further comprises a first limit block, and the first limit block is fixedly arranged on the upper end surface of the lifting plate.

[0013] Furthermore, a second limit block is also provided on the push rod seat, and the second limit block cooperates with the first limit block.

[0014] Furthermore, a middle hole and a push pin hole are provided on the meat skewer, the middle hole is slidably matched with the push rod, an arc-shaped contact portion is provided at the front end of the middle hole, the push pin hole is provided at the front end of the meat skewer, the push pin hole is slidably matched with the push pin, and the push pin slides into the middle hole along the push pin hole.

[0015] Furthermore, the skewer is provided with a skewer entry opening, which is arranged on the side of the skewer and is connected to the middle hole.

[0016] Furthermore, a slide groove is also provided on the skewer, and the slide groove is slidably matched with the slider. The slide groove includes a reversing slide groove and a forward slide groove. The reversing slide groove is connected to the forward slide groove. The reversing slide groove cooperates with the slider to realize a 180-degree rotation of the skewer to achieve reversal.

[0017] Furthermore, an arc-shaped groove is arranged at the front end of the push pin.

[0018] Furthermore, the automatic stick delivery mechanism includes a stick storage box and a stick dialing wheel, a stick outlet is provided below the stick storage box, the stick dialing wheel is rotatably arranged in the stick storage box, a stick slot is provided on the stick dialing wheel, and the stick slot can only accommodate one bamboo stick at a time.

[0019] Furthermore, the automatic signature delivery mechanism also includes a gear and a drive shaft, the gear is fixedly arranged on the signature wheel, the drive shaft is meshed with the gear, and a first pulley is also arranged on the drive shaft.

[0020] Furthermore, the driving mechanism includes a driving motor, a half-toothed gear, and a second pulley. The half-toothed gear is connected to the driving motor, the second pulley is fixedly connected to the half-toothed gear, the half-toothed gear is meshed with the rack, and the second pulley is connected to the first pulley through a belt.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. The present invention discloses a skewering device for beef production, which is provided with an automatic skewer feeding mechanism and a skewering mechanism for threading bamboo skewers or wooden skewers into beef. At the same time, the skewering mechanism fixes the bamboo skewers or wooden skewers whose tips are easily bent into a skewer, and automatically ejects the bamboo skewers or wooden skewers from the skewer after the skewer pierces the beef block. Since the beef block is not pierced by a skewer, the problem of slow skewering speed and easy bending of the bamboo skewers or wooden skewers in the existing technology is effectively solved.

[0023] 2. The present invention discloses a meat skewering device for beef production, in which a meat skewering mechanism and an automatic skewer feeding mechanism are synchronously driven by a driving mechanism, which saves energy while ensuring precise linkage between the meat skewering mechanism and the automatic skewer feeding mechanism to prevent errors, thereby effectively improving the working efficiency and stability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the present invention;

[0025] Figure 2 It is a structural schematic diagram of the meat skewering mechanism and the automatic skewer feeding mechanism;

[0026] Figure 3 for Figure 2 Cross-section along line AA;

[0027] Figure 4 It is a structural schematic diagram of the meat skewer mechanism;

[0028] Figure 5 It is the structural schematic diagram of the reversing tool holder;

[0029] Figure 6 for Figure 5 The enlarged structural diagram at B in the middle;

[0030] Figure 7 It is a schematic diagram of the structure of a skewer;

[0031] Figure 8 is a schematic cross-sectional view of a skewer;

[0032] Fig. 9 for Figure 8 The enlarged structural diagram at C in the middle;

[0033] Fig.10 It is a structural schematic diagram of the push rod seat;

[0034] Fig.11 It is a structural schematic diagram of the push pin seat;

[0035] Fig.12 for Fig.11 The enlarged structural diagram at D in the middle;

[0036] Fig.13 It is a structural schematic diagram of the selection wheel.

[0037] The reference numerals involved in the accompanying drawings are:

[0038] 1. Frame; 11. Lifting bracket; 12. Telescopic rod; 13. Conveyor belt; 2. Meat skewer mechanism; 21. Lifting plate; 211. Meat skewer groove; 212. T-shaped slide rail; 213. First stop block; 22. Reversing knife holder; 221. Sliding block; 23. Knife holder; 231. Stop rod; 232. First spring; 24. Meat skewer; 241. Middle hole; 2411. Arc-shaped contact part; 242. Slide groove; 2421. Reversing slide groove; 2422. Forward slide groove; 243. Inlet port; 244. Push pin hole; 25. Push rod seat; 251, push rod; 252, limit rod hole; 253, second limit block; 26, push plate; 261, second spring; 262, third spring; 263, rack; 27, push pin seat; 271, push pin; 272, arc-shaped groove; 3, automatic signature feeding mechanism; 31, signature storage box; 311, signature outlet; 32, signature dialing wheel; 321, signature slot; 322, gear; 33, drive shaft; 331, first pulley; 4, drive mechanism; 41, drive motor; 42, half-tooth gear; 43, second pulley. DETAILED DESCRIPTION

[0039] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0040] In the description of this application, it should be noted that for directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back",

[0041] The directions and positional relationships indicated by “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, etc. are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present application and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and should not be understood as limiting the specific scope of protection of the present application.

[0042] It should be noted that the terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0043] See also Figures 1 to 13 As shown, a skewering device for beef production includes: a frame 1 for driving a skewering mechanism 2 and an automatic skewer feeding mechanism 3 to lift and convey beef chunks, a skewering mechanism 2 for threading bamboo or wooden skewers into beef chunks, an automatic skewer feeding mechanism 3 for automatically providing bamboo or wooden skewers to the skewering mechanism 2, and a driving mechanism 4 for driving the skewering mechanism 2 and the automatic skewer feeding mechanism 3 to work.

[0044] The frame 1 is provided with a lifting bracket 11, a telescopic rod 12 and a conveyor belt 13. The lifting bracket 11 is arranged above the conveyor belt 13, and the telescopic rod 12 is arranged on the lifting bracket 11. It can be understood that the conveyor belt 13 can convey the cut beef chunks to the bottom of the skewering mechanism 2, and the telescopic rod 12 can drive the skewering mechanism 2, the automatic skewering mechanism 3 and the driving mechanism 4 to lift and lower together to string the beef chunks into skewers.

[0045] The skewering mechanism 2 comprises a lifting plate 21, a reversing knife holder 22, a knife seat 23, a skewering knife 24, a push rod seat 25, a push plate 26 and a push pin seat 27. The lifting plate 21 is slidably arranged on the lifting bracket 11, and the lifting plate 21 is connected to the telescopic rod 12, that is, the telescopic rod 12 can be extended and retracted to drive the lifting plate 21 to slide up and down along the lifting bracket 11, and the lifting plate 21 is provided with a skewering groove 211 and a T-shaped slide rail 212.

[0046] The reversing knife holder 22 is fixedly arranged on the lifting plate 21, and a slider 221 is arranged on the reversing knife holder 22. The reversing knife holder 22 is slidably matched with the skewer knife 24, and the slider 221 can be slidably matched with the skewer knife 24. The knife seat 23, the push rod seat 25, and the push plate 26 are slidably arranged on the T-shaped slide rail 212 in sequence, and a limit rod 231 and a first spring 232 are arranged on the knife seat 23. The limit rod 231 is arranged on the end surface of the knife seat 23 close to the push rod seat 25. The push rod seat 25 is provided with a push rod 251 and a limit rod hole 252. The push rod 251 is fixedly arranged on the push rod seat 25, and the limit rod 231 is slidably matched with the limit rod hole 252. The knife seat 23 is connected to the push rod seat 25. The push rod seat 25 is connected through the first spring 232. Specifically, a second limit block 253 is also provided on the push rod seat 25. Correspondingly, the lifting plate 21 also includes a first limit block 213. The first limit block 213 is fixedly arranged on the upper end surface of the lifting plate 21. The second limit block 253 cooperates with the first limit block 213. It can be understood that the push rod seat 25 slides along the T-shaped slide rail 212, and the sliding of the push rod seat 25 will be restricted after the first limit block 213 contacts the second limit block 253.

[0047] The push plate 26 is provided with a second spring 261, a third spring 262, and a rack 263. The push rod seat 25 is connected to the push plate 26 through the second spring 261, and the push plate 26 is connected to the lifting plate 21 through the third spring 262. The rack 263 is fixedly connected to the push plate 26, and correspondingly, the rack 263 is meshed with the half-toothed gear 42. The push pin seat 27 is fixedly provided on the lifting plate 21, and a push pin 271 is fixedly provided on the push pin seat 27. Correspondingly, an arc-shaped groove 272 is provided at the front end of the push pin 271.

[0048] The skewer 24 is rotatably mounted on the knife seat 23. Specifically, the skewer 24 is provided with a middle hole 241 and a push pin hole 244, the middle hole 241 is slidably matched with the push rod 251, and the front end of the middle hole 241 is provided with an arc contact portion 2411. It can be understood that when the bamboo or wooden skewer is pushed forward until the skewer head is squeezed and matched with the arc contact portion 2411, the arc contact portion 2411 can prevent the skewer head of the bamboo or wooden skewer from sliding out of the middle hole 241. The push pin hole 244 is provided at the front end of the skewer 24, and the push pin hole 244 is slidably matched with the push pin 271, and the push pin 271 slides into the middle hole 241 along the push pin hole 244. The skewer entry port 243 is provided on the skewer 24, and the skewer entry port 243 is provided on the side of the skewer 24, and the skewer entry port 243 is connected to the middle hole 241. Specifically, the skewer 24 is also provided with a slide groove 242, and the slide groove 242 is slidably matched with the slider 221. The slide groove 242 includes a reversing slide groove 2421 and a forward slide groove 2422. The reversing slide groove 2421 is connected to the forward slide groove 2422. The reversing slide groove 2421 cooperates with the slider 221 to realize a 180-degree rotation of the skewer 24 to realize reversal.

[0049] The automatic stick delivery mechanism 3 is fixedly connected to the reversing tool holder 22. Specifically, the automatic stick delivery mechanism 3 includes a stick storage box 31 and a stick dialing wheel 32, a stick outlet 311 is provided below the stick storage box 31, the stick dialing wheel 32 is rotatably arranged in the stick storage box 31, and a stick slot 321 is provided on the stick dialing wheel 32, and the stick slot 321 can only accommodate one bamboo stick at a time. The automatic signature delivery mechanism 3 also includes a gear 322 and a drive shaft 33. The gear 322 is fixedly arranged on the signature wheel 32. The drive shaft 33 is meshed with the gear 322. A first pulley 331 is also arranged on the drive shaft 33. It can be understood that the drive motor 41 can simultaneously drive the half-tooth gear 42 and the second pulley 43 to rotate. The second pulley 43 can drive the drive shaft 33 to rotate through a belt. The drive shaft 33 is meshed with the gear 322, so as to drive the signature wheel 32 to rotate synchronously. Specifically, when the half-tooth gear 42 and the second pulley 43 rotate one circle, the signature wheel 32 also rotates one full circle.

[0050] The driving mechanism 4 is installed on the lifting plate 21, and the driving mechanism 4 is connected to the meat skewering mechanism 2 and the automatic skewer feeding mechanism 3. Specifically, the driving mechanism 4 includes a driving motor 41, a half-toothed gear 42, and a second pulley 43. The half-toothed gear 42 is connected to the driving motor 41, the second pulley 43 is fixedly connected to the half-toothed gear 42, the half-toothed gear 42 is meshed with the rack 263, and the second pulley 43 is connected to the first pulley 331 through a belt.

[0051] The working principle of the present invention is as follows:

[0052] First, the cut beef chunks are placed on the conveyor belt 13 manually or by a conveyor belt, and then the bamboo or wooden sticks are placed in the stick storage box 31. When the equipment is first run and when it is first run after being replenished with bamboo or wooden sticks, the drive motor 41 first drives the half-tooth gear 42 and the second pulley 43 to rotate one circle. The second pulley 43 drives the stick wheel 32 to rotate synchronously one circle through the belt, the first pulley 331, the drive shaft 33, and the gear 322. When the stick slot 321 on the stick wheel 32 rotates into the stick storage box 31, a bamboo or wooden stick falls into the stick slot 321 and moves to the stick outlet 311 as the stick wheel 32 rotates, and then falls into the middle hole 241 through the stick inlet 243 of the skewer 24.

[0053] The conveyor belt 13 moves the meat block to the bottom of the meat skewer groove 211, and the telescopic rod 12 extends to drive the lifting plate 21 to slide down along the lifting bracket 11 until the lower end surface of the lifting plate 21 contacts the conveyor belt 13; the driving motor 41 drives the half-tooth gear 42 and the second pulley 43 to rotate synchronously; the half-tooth gear 42 engages with the rack 263, and then drives the push plate 26 to slide along the T-shaped slide rail 212 toward the meat skewer groove 211. During this process, the second spring 261 pushes the push rod seat 25 to slide along the T-shaped slide rail 212 toward the meat skewer groove 211. During this process, the first spring 232 and the second spring 261 are compressed, and the deformation of the first spring 232 is greater than that of the second spring 261. At the same time, the push rod 251 slides inward along the middle hole 241 of the meat skewer 24 and pushes the bamboo stick or wooden stick forward until the bamboo stick or wooden stick head is squeezed and matched with the arc contact part 2411, thereby squeezing and fixing the bamboo stick or wooden stick.

[0054] The push plate 26 continues to slide forward until the limit rod 231 contacts the push plate 26, and the push plate 26 pushes the knife seat 23 and the skewer 24 rotatably mounted on the knife seat 23 to slide synchronously toward the skewer groove 211; when the skewer 24 moves forward, the reversing slide groove 2421 in the slide groove 242 cooperates with the slider 221 on the reversing knife holder 22, and during the movement of the skewer 24, it rotates 180 degrees to complete the reversal, so that the skewer inlet 243 turns from upward to downward, and at the same time, the push pin hole 244 is aligned with the push pin 271 on the push pin seat 27; during the movement and reversing process of the skewer 24 The knife tip pierces the ox head block, and the slider 221 slides from the reversing slide groove 2421 into the forward slide groove 2422. The skewer 24 stops rotating until the push pin 271 just slides into the push pin hole 244; the first limit block 213 contacts the second limit block 253 on the push rod seat 25. At this time, the first limit block 213 restricts the push rod seat 25 from continuing to move synchronously with the knife seat 23 and the push plate 26. The push plate 26 and the knife seat 23 continue to move, and the second spring 261 is compressed. At the same time, part of the push rod 251 also slides out of the middle hole 241, so that the bamboo stick or wooden stick is no longer squeezed and fixed; The plate 26, the knife seat 23, and the skewer 24 continue to move forward until the push pin 271 slides into the middle hole 241 through the push pin hole 244, and the push pin 271 pushes the skewer head backward, and the arc-shaped groove 272 at the front end of the push pin 271 pushes the skewer head downward until the skewer head slides out of the skewer inlet 243; at this time, the half-toothed gear 42 rotates just half a circle; the half-toothed gear 42 continues to rotate until the outer teeth on the half-toothed gear 42 are no longer engaged with the rack 263; the third spring 262 releases its elastic force and stretches, driving the push plate 26 to reset, and in this process, the push plate 26 drives the push rod seat 25 synchronously through the second spring 261 The push rod seat 25 moves backward to reset, and the push rod seat 25 drives the knife seat 23 and the skewer 24 to reset through the first spring 232. When the skewer 24 is reset, since the skewer head is no longer in the middle hole 241, the skewer 24 moves backward. Under the friction between the bamboo skewer or wooden skewer and the beef, the bamboo skewer or wooden skewer will not move with the skewer 24, but will remain in the beef to complete the skewering. At the same time as the skewer 24 is reset or after the skewer 24 is reset, the half-toothed gear 42 completes a circle of rotation and meshes with the rack 263 again. At the same time, the skewer wheel 32 rotates one circle, and a bamboo skewer or wooden skewer falls into the middle hole 241 again.

[0055] The telescopic rod 12 is shortened, driving the meat skewering mechanism 2, the automatic skewer feeding mechanism 3 and the driving mechanism 4 to rise as a whole, the skewered meat is sent out by the conveyor belt 13, and the meat pieces are moved to the bottom of the meat skewering groove 211 again.

[0056] The above is only an embodiment of the present invention. The common sense such as the known specific structure and characteristics in the scheme is not described in detail here. The ordinary technicians in the relevant field are aware of all the common technical knowledge in the technical field of the invention before the application date or priority date, can obtain all the existing technologies in the field, and have the ability to apply the conventional experimental means before that date. The ordinary technicians in the relevant field can improve and implement the scheme in combination with their own abilities under the enlightenment given by this application. Some typical known structures or known methods should not become obstacles for the ordinary technicians in the relevant field to implement this application. It should be pointed out that for the technicians in this field, without departing from the structure of the present invention, several deformations and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent.

Claims

1. A beef skewering device for production, characterized in that: include: A frame (1), a meat skewering mechanism (2), an automatic skewer feeding mechanism (3) and a driving mechanism (4); The frame (1) is provided with a lifting bracket (11), a telescopic rod (12) and a conveyor belt (13); the lifting bracket (11) is arranged above the conveyor belt (13), and the telescopic rod (12) is arranged on the lifting bracket (11); The meat skewering mechanism (2) comprises a lifting plate (21), a reversing knife holder (22), a knife seat (23), a meat skewering knife (24), a push rod seat (25), a push plate (26) and a push needle seat (27); the lifting plate (21) is slidably arranged on a lifting bracket (11); the lifting plate (21) is connected to a telescopic rod (12); a meat skewering groove (211) and a T-shaped slide rail (212) are arranged on the lifting plate (21); the reversing knife holder (22) is provided with a meat skewering groove (211) and a T-shaped slide rail (212); (22) is fixedly arranged on the lifting plate (21), a slider (221) is arranged on the reversing tool holder (22), the tool holder (23), the push rod holder (25), and the push plate (26) are slidably arranged on the T-shaped slide rail (212) in sequence, a limiting rod (231) and a first spring (232) are arranged on the tool holder (23), the limiting rod (231) is arranged on the end surface of the tool holder (23) close to the push rod holder (25), and the A push rod (251) and a limit rod hole (252) are provided on the push rod seat (25); the push rod (251) is fixedly provided on the push rod seat (25); the limit rod (231) is slidably matched with the limit rod hole (252); the knife seat (23) is connected to the push rod seat (25) via a first spring (232); a second spring (261), a third spring (262) and a rack (263) are provided on the push plate (26); The push rod seat (25) is connected to the push plate (26) via a second spring (261), the push plate (26) is connected to the lifting plate (21) via a third spring (262), the rack (263) is fixedly connected to the push plate (26), the push pin seat (27) is fixedly arranged on the lifting plate (21), a push pin (271) is fixedly arranged on the push pin seat (27), and the skewer (24) is rotatably mounted on the knife seat (23); The automatic signature delivery mechanism (3) is fixedly connected to the reversing tool holder (22); The driving mechanism (4) is installed on the lifting plate (21), and the driving mechanism (4) is connected to the meat skewering mechanism (2) and the automatic skewer feeding mechanism (3).

2. A beef skewering device for production according to claim 1, characterized in that: The lifting plate (21) further comprises a first limit block (213), wherein the first limit block (213) is fixedly arranged on the upper end surface of the lifting plate (21).

3. A beef skewering device for production according to claim 2, characterized in that: The push rod seat (25) is also provided with a second limit block (253), and the second limit block (253) cooperates with the first limit block (213).

4. The beef skewering device according to claim 1, characterized in that: The skewer (24) is provided with a middle hole (241) and a push pin hole (244); the middle hole (241) is slidably matched with the push rod (251); the front end of the middle hole (241) is provided with an arc-shaped contact portion (2411); the push pin hole (244) is provided at the front end of the skewer (24); the push pin hole (244) is slidably matched with the push pin (271); the push pin (271) slides into the middle hole (241) along the push pin hole (244).

5. The beef skewering device according to claim 4, characterized in that: The skewer (24) is provided with a skewer entry opening (243), which is arranged on the side of the skewer (24), and is connected to the middle hole (241).

6. The beef skewering device according to claim 5, characterized in that: The skewer (24) is also provided with a slide groove (242), the slide groove (242) is slidably matched with the slider (221), the slide groove (242) includes a reversing slide groove (2421) and a forward slide groove (2422), the reversing slide groove (2421) is connected with the forward slide groove (2422), and the reversing slide groove (2421) cooperates with the slider (221) to realize 180-degree rotation of the skewer (24) to realize reversal.

7. The beef skewering device according to claim 1, characterized in that: The front end of the push pin (271) is provided with an arc-shaped groove (272).

8. The beef skewering device according to claim 1, characterized in that: The automatic stick delivery mechanism (3) comprises a stick storage box (31) and a stick dialing wheel (32), wherein a stick outlet (311) is arranged below the stick storage box (31), the stick dialing wheel (32) is rotatably arranged in the stick storage box (31), and a stick slot (321) is arranged on the stick dialing wheel (32), and the stick slot (321) can only accommodate one bamboo stick at a time.

9. The beef skewering device according to claim 8, characterized in that: The automatic lottery ticket delivery mechanism (3) further comprises a gear (322) and a drive shaft (33), wherein the gear (322) is fixedly arranged on the lottery ticket wheel (32), the drive shaft (33) is meshed with the gear (322), and a first pulley (331) is also arranged on the drive shaft (33).

10. The beef skewering device according to claim 9, characterized in that: The driving mechanism (4) comprises a driving motor (41), a half-toothed gear (42), and a second pulley (43); the half-toothed gear (42) is connected to the driving motor (41); the second pulley (43) is fixedly connected to the half-toothed gear (42); the half-toothed gear (42) is meshed with a rack (263); and the second pulley (43) is connected to the first pulley (331) via a belt.

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