Skewer feeding machinery and its vegetarian skewer forming equipment

Abstract

This utility model relates to the field of food processing equipment manufacturing technology, and in particular to skewer feeding machinery and vegetarian skewer forming equipment including it. The main structural design of the skewer feeding machinery is a skewer temporary storage and release device. The skewer temporary storage and release device includes a base and a hopper. The hopper is located on the base and incidentally forms a discharge chamber. The hopper includes a hopper body, a baffle, and a limiting unit. The baffle is vertical and arranged directly in front of the hopper body. Under normal working conditions, the limiting unit restricts the vertical displacement freedom of the baffle, forming a discharge chamber that allows only one skewer to pass at a time. Under maintenance conditions, the limiting unit releases the restriction on the vertical displacement freedom of the baffle, allowing the baffle to move upward a set distance due to the dragging force of a hand to form a maintenance access port. In this way, workers can easily and quickly sort out skewers stuck in the discharge chamber without having to completely remove the baffle.

Description

Technical Field

[0001] This utility model relates to the field of food processing equipment manufacturing technology, and in particular to skewer feeding machinery and vegetarian skewer forming equipment including the same. Background Technology

[0002] Gluten skewers are a common street food and barbecue ingredient. They are usually made primarily of gluten and seasoned with cumin powder, chili powder, salt, light soy sauce, dark soy sauce, pepper powder, five-spice powder, sweet bean sauce, steamed fish soy sauce, oyster sauce, and other spices to enhance their flavor.

[0003] Many years ago, gluten skewers were typically made by hand, which involved processes such as kneading, resting, wrapping, boiling, and cutting the gluten. The process was complicated, required a lot of manpower, had very low production efficiency, and the finished gluten skewers varied in shape and taste. Therefore, our company recently developed a new gluten skewer forming machine.

[0004] According to the pre-designed concept, the vegetarian skewer forming equipment needs to be equipped with a skewer supply mechanism to continuously supply skewers to the vegetarian roll cutting and spreading machine, allowing the vegetarian rolls to sequentially complete the skewering, cutting, and spreading operations within the machine. In existing technology, the vegetarian roll cutting and spreading machine consists of a skewer temporary storage and release device and a skewer pushing mechanism. The skewer temporary storage and release device includes a base and a hopper. The hopper, used to temporarily store skewers in batches, is located on the base and includes a hopper body and a baffle. The baffle is located on the front side of the hopper body and is fixed integrally with it, incidentally forming a discharge chamber opposite to the vegetarian roll cutting and spreading machine, allowing only one skewer to pass through at a time. However, in practical applications, bamboo skewers are easily jammed in the discharge chamber due to excessive bending or uneven external forces, leading to interruptions in the skewer supply process. In this situation, workers need to remove the baffle from the hopper body to open the material feeding chamber, and then use manual force to re-organize the stuck skewers. After the skewers are organized, the baffle is reset and secured. According to feedback from downstream customers, the following problems exist during implementation: 1) After the supply process is interrupted due to stuck bamboo skewers, the process of removing and resetting the baffle is cumbersome and time-consuming; 2) Frequent removal and installation of the baffle by workers can easily damage the hopper body or the baffle due to improper operation, thus affecting the normal performance of the skewer supply machinery; 3) It increases the labor intensity of workers, requiring more manpower to complete these tasks, thereby increasing labor costs; and the operation requires workers to have certain operating skills and experience to ensure accurate removal and resetting of the baffle. Therefore, it is urgent for technical personnel to solve the above problems. Utility Model Content

[0005] Therefore, in view of the above-mentioned existing problems and defects, the designers of this utility model collected relevant information, conducted multiple evaluations and considerations, and carried out continuous experiments and modifications by technical personnel with many years of R&D experience in this industry, which ultimately led to the emergence of this skewer supply machine.

[0006] This utility model relates to a skewer supply mechanism, which consists of a skewer temporary storage and release device and a skewer pushing mechanism. The skewer temporary storage and release device includes a base and a hopper. The hopper is used to temporarily store skewers in batches. It is located on the base and has an attached discharge chamber that is opposite to the vegetarian cutting and spreading machine and allows only one skewer to pass through at a time. The skewer falls into the discharge chamber and is subsequently pushed out of the discharge chamber by the pushing force from the skewer pushing mechanism until it is inserted into the vegetarian cutting and spreading machine. The hopper includes a hopper body, a baffle, and a limiting unit. The baffle is vertical and located directly in front of the hopper body, and its height position changes due to the dragging force of a hand. Under normal operating conditions, the baffle rests on the base, forming a material discharge chamber between it and the main body of the bin. With the help of the limiting unit, the baffle's vertical displacement freedom is restricted to zero. Under maintenance conditions, the limiting unit releases the restriction on the baffle's vertical displacement freedom, and the baffle moves away from the base due to the dragging force of the hand and moves upward by a set distance, thus forming the maintenance operation port.

[0007] As a further improvement to the technical solution disclosed in this utility model, the limiting unit is composed of a left limiting subunit and a right limiting subunit. The left limiting subunit and the right limiting subunit are positioned opposite each other, and are respectively mounted on the left and right side walls of the warehouse body.

[0008] As a further improvement to the technical solution disclosed in this utility model, the left limiting subunit and the right limiting subunit have the same design structure. The left limiting subunit includes a left base plate, a left limiting plate, and a left fastening assembly. The left base plate is in contact with the left side wall of the compartment body and is fixed as one piece. The left limiting plate is detachably fixed to the left base plate by means of the left fastening assembly, and a left limiting notch extends forward from its rear side wall.

[0009] As a further improvement to the technical solution disclosed in this utility model, the left-side fastening assembly consists of a first left-side bolt and nut assembly and a second left-side bolt and nut assembly. A first left-side through hole and a second left-side through hole are provided on the left-side base plate, while a first left-side oblong hole and a second left-side oblong hole extending along the height direction are provided on the left-side limiting plate. When the left-side limiting plate is in the lower limit position, it can apply a pressing force to the baffle through the left-side limiting notch; and when the left-side limiting plate is not in the lower limit position, it can release the restriction on the baffle's displacement freedom along the height direction.

[0010] As a further improvement to the technical solution disclosed in this utility model, the skewer temporary storage and release device also includes a separator. The separator is placed and fixed in the cavity of the hopper and is in a vertical position, so that the cavity of the hopper can be divided into a left-side skewer-containing cavity and a right-side spare cavity.

[0011] As a further improvement to the technical solution disclosed in this utility model, the skewer temporary storage and release device also includes a front feeding mechanism and a rear feeding mechanism. A batch of skewers are pre-placed in the hopper, and throughout the entire process of the skewers being supplied one by one through the feeding chamber, the batch of skewers awaiting supply and still remaining in the hopper are kept in a loose state by the coordinated feeding force from the front feeding mechanism and the rear feeding mechanism, and automatically return to their proper position.

[0012] As a further improvement to the technical solution disclosed in this utility model, the pre-feeding mechanism includes a feeding disc, a rotating shaft, and a power unit. Multiple feeding discs are mounted and fixed to the rotating shaft and arranged in parallel along the width of the hopper. During the operation of the power unit, the feeding discs synchronously rotate around the rotating shaft, thus agitating the batch of labels.

[0013] As a further improvement to the technical solution disclosed in this utility model, the rear feeding mechanism includes a support base, a geared motor, and a feeding wheel. The support base is situated on a base, and both are fixed in a detachable manner. The geared motor applies rotational torque to the feeding wheel, and this torque is borne by the support base. The feeding wheel is composed of a feeding wheel body and a brush stick assembly. The brush stick assembly consists of multiple plastic brush sticks evenly distributed and fixedly embedded around the circumferential sidewalls of the feeding wheel body. A clearance notch is provided on the housing body corresponding to the feeding wheel.

[0014] In addition, this utility model also discloses a vegetarian skewer forming device, which includes the above-mentioned skewer feeding machine.

[0015] In practical applications, the skewer feeding mechanism disclosed in this utility model can achieve at least the following beneficial technical effects, specifically:

[0016] 1) Under normal operating conditions, the limiting unit restricts the vertical displacement of the baffle, thus forming the feeding chamber. Only one skewer is allowed to pass through the feeding chamber at a time, and with the pushing force of the skewer pushing mechanism, skewers can be precisely fed one by one into the vegetarian skewer rolling and spreading machine. Under maintenance conditions, the limiting unit releases the restriction on the vertical displacement of the baffle, allowing it to move upwards a set distance under dragging force to form a maintenance access port. This allows workers to easily and quickly remove skewers stuck in the feeding chamber without completely removing the baffle, significantly saving maintenance time and labor costs, and reducing the risk of damage to the skewer supply machine caused by frequent baffle removal and installation.

[0017] 2) The design of the hopper body, baffle and limiting unit works together to form a material discharge cavity with excellent structural stability, which can withstand the weight of batches of skewers and the force during the pushing process, thus ensuring the reliability of skewer supply. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a three-dimensional schematic diagram of the vegetarian skewer forming equipment disclosed in this utility model.

[0020] Figure 2 This is a three-dimensional schematic diagram of the label supply machinery disclosed in this utility model.

[0021] Figure 3 yes Figure 2 Top view.

[0022] Figure 4 yes Figure 3 AA sectional view.

[0023] Figure 5 This is a three-dimensional schematic diagram of the skewer temporary storage and release device in the skewer supply machinery disclosed in this utility model.

[0024] Figure 6 This is a three-dimensional schematic diagram from another perspective of the skewer temporary storage and release device in the skewer supply machinery disclosed in this utility model.

[0025] Figure 7 yes Figure 5 Top view.

[0026] Figure 8 yes Figure 7 BB cross-sectional view.

[0027] Figure 9 yes Figure 8 CC section view.

[0028] Figure 10 This is a three-dimensional schematic diagram of the left-side limiting plate in the scepter supply machinery disclosed in this utility model.

[0029] Figure 11 This is a three-dimensional schematic diagram of the right-side limiting plate in the squeegee supply machinery disclosed in this utility model.

[0030] Figure 12 This is a three-dimensional schematic diagram of the separator in the label supply machine disclosed in this utility model.

[0031] 1-Machine base; 2-Skewer feeding mechanism; 21-Skewer temporary storage and release device; 211-Base; 212-Hopper; 2121-Hopper body; 21211-Avoidance notch; 2122-Baffle; 2123-Limiting unit; 21231-Left limiting sub-unit; 212311-Left base plate; 212312-Left limiting plate; 2123121-Left limiting notch; 2123122-First left-side oblong hole; 2123123-Second left-side oblong hole; 212313-Left fastening assembly; 2123131-First left-side bolt and nut assembly; 2123132-Second left-side bolt and nut assembly; 21232-Right limiting sub-unit; 212321-Right base plate; 212322-Right limiting... Position plate; 2123221-Right limiting notch; 2123222-First right-positioned waist-shaped hole; 2123223-Second right-positioned waist-shaped hole; 212323-Right-positioned fastening assembly; 2123231-First right-positioned bolt and nut assembly; 2123232-Second right-positioned bolt and nut assembly; 213-Separator; 214-Front-positioned feeding mechanism; 2141-Feeding disc; 2142-Rotating shaft; 2143-Power unit; 215-Rear-positioned feeding mechanism; 2151-Support seat; 2152-Gear motor; 2153-Feeding wheel; 22-Skewer pushing mechanism; 221-Rotating motor; 222-Gear; 223-Skewer pushing rack; 3-Vegetarian roll skewering machine; 4-Vegetarian roll cutting and spreading machine; 5-Vegetarian skewer removal machine. Detailed Implementation

[0032] In the description of this utility model, it should be understood that the terms "left", "right", "front", "back", "up", "down", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0033] The present invention will be further described in detail below with reference to specific embodiments. Figure 1 A three-dimensional schematic diagram of the vegetarian skewer forming equipment disclosed in this utility model is shown. It is evident that the equipment mainly consists of a machine base 1, a skewer feeding machine 2, a vegetarian roll skewering machine 3, a vegetarian roll cutting and spreading machine 4, and a vegetarian skewer removal machine 5. The skewer feeding machine 2, the vegetarian roll skewering machine 3, the vegetarian roll cutting and spreading machine 4, and the vegetarian skewer removal machine 5 are all mounted on the machine base 1 and arranged sequentially along the upstream and downstream directions. In practical application, the skewer feeding machine 2 is activated to orderly convey the skewers, providing material preparation for the subsequent skewering operation. The vegetarian roll skewering machine 3 receives the skewers and inserts them into the vegetarian rolls. Then, the skewered vegetarian rolls are fed into the vegetarian roll cutting and spreading machine 4 for cutting and spreading, thus forming the finished vegetarian skewer. Finally, the vegetarian skewer removal machine 5 is activated to remove the finished vegetarian skewer from the vegetarian roll cutting and spreading machine 4, completing the entire vegetarian skewer forming process.

[0034] Figure 2 , Figure 3 , Figure 4 The diagram shows the structure of the skewer supply mechanism disclosed in this utility model. It can be seen that the skewer supply mechanism 2 consists of a skewer temporary storage and release device 21 and a skewer pushing mechanism 22. For example... Figure 5 , Figure 6 As shown, the skewer storage and release device 21 includes a base 211 and a hopper 212. The hopper 212 is used to temporarily store skewers in batches. It is located on the base 211 and has a discharge chamber that is opposite to the vegetarian skewer rolling and spreading machine 4 and allows only one skewer to pass through at a time. Under the effect of gravity, the skewer falls into the discharge chamber and then performs a translational movement due to the pushing force from the skewer pushing mechanism 22, moving out of the discharge chamber and until it is submerged in the vegetarian skewer rolling and spreading machine 4.

[0035] like Figure 5 , Figure 6As shown, the hopper 212 mainly consists of several parts, including the hopper body 2121, the baffle 2122, and the limiting unit 2123. The hopper body 2121 is welded from multiple sheet metal parts, and its bottom wall is inclined to facilitate the skewers sliding into the material discharge chamber. The baffle 2122 is vertically positioned in front of the hopper body 2121, and its height changes due to the pulling force of a hand. With the assistance of the limiting unit 2123, the restriction on the vertical displacement of the baffle 2122 is achieved / removed.

[0036] In practical applications, under normal operating conditions, the limiting unit 2123 restricts the vertical displacement of the baffle 2122, thus forming the feeding chamber. Only one skewer is allowed to pass through the feeding chamber at a time, and with the pushing force of the skewer pushing mechanism 22, skewers can be precisely fed one by one into the vegetarian skewer rolling and spreading machine 4. Under maintenance conditions, the limiting unit 2123 releases the restriction on the vertical displacement of the baffle 2122, allowing it to move upwards a set distance under dragging force to form a maintenance access port. This allows workers to easily and quickly remove skewers stuck in the feeding chamber without completely removing the baffle 2122, significantly saving maintenance time and labor costs, and reducing the risk of damage to the skewer supply machine 2 caused by frequent removal and installation of the baffle 2122.

[0037] It should also be noted that the design of the hopper body 2121, the baffle 2122 and the limiting unit 2123 works together to form a material discharge cavity with excellent structural stability, which can withstand the weight of a batch of skewers and the force during the pushing process, thereby ensuring the reliability of skewer supply.

[0038] like Figure 7 As shown, the limiting unit 2123 is composed of a left limiting subunit 21231 and a right limiting subunit 21232. The left limiting subunit 21231 and the right limiting subunit 21232 are positioned opposite each other, and are respectively mounted on the left and right side walls of the warehouse body 2121.

[0039] like Figure 7 , Figure 8 As shown, in practical applications, the left limiting subunit 21231 and the right limiting subunit 21232 work together to limit the displacement degree of freedom of the baffle 2122 along the height direction. Furthermore, the left limiting subunit 21231 and the right limiting subunit 21232 have the same design structure. Thus, in the design and manufacturing process, they use the same or similar components, manufacturing processes, and assembly processes, which can significantly reduce the difficulty of design and implementation.

[0040] As a further refinement of the above technical solution, such as Figures 7-11As shown, the left positioning subunit 21231 includes a left base plate 212311, a left positioning plate 212312, and a left fastening assembly 212313. The left base plate 212311 is in contact with the left side wall of the compartment body 2121 and is fixed as one piece. The left positioning plate 212312 is detachably fixed to the left base plate 212311 by means of the left fastening assembly 212313, and a left positioning notch 2123121 extends forward from its rear side wall. The right positioning subunit 21232 includes a right base plate 212321, a right positioning plate 212322, and a right fastening assembly 212323. The right base plate 212321 is in contact with the right side wall of the compartment body 2121 and is fixed as one piece. The right-position limiting plate 212322 is detachably fixed to the right-position base plate 212321 by means of the right-position fastening component 212323, and a right-position limiting notch 2123221 extends forward from its rear side wall. In this way, on the one hand, the worker can easily and quickly assemble the left-position limiting sub-unit 21231 and the right-position limiting sub-unit 21232 relative to the bin body 2121 to accurately restrict the degree of freedom of displacement of the baffle 2122; on the other hand, when the skewer gets stuck in the feeding chamber, the worker can quickly release the locking of the left-position limiting plate 212312 and the right-position limiting plate 212322, and the baffle 2122 can change its height position by the drag force of the hand to form an inspection and operation port, which is conducive to the worker to perform sorting operation on the skewer stuck in the feeding chamber.

[0041] Similarly, Figures 7-11As can be clearly seen in the diagram, the left-side fastening assembly 212313 consists of a first left-side bolt and nut assembly 2123131 and a second left-side bolt and nut assembly 2123132. Correspondingly, the left-side base plate 212311 has a first left-side through hole and a second left-side through hole, while the left-side limiting plate 212312 has a first left-side oblong hole 2123122 and a second left-side oblong hole 2123123 extending along the height direction. Analogous to the design structure of the left-side fastening assembly 212313, the right-side fastening assembly 212323 consists of a first right-side bolt and nut assembly 2123231 and a second right-side bolt and nut assembly 2123232. Correspondingly, the right-side substrate 212321 is provided with a first right-side through hole and a second right-side through hole, while the right-side limiting plate 212322 is provided with a first right-side waist-shaped hole 2123222 and a second right-side waist-shaped hole 2123223 extending along the height direction. Thus, when both the left substrate 212311 and the right substrate 212321 are in the lower limit position, they can apply pressure to the baffle 2122 together through the left limiting notch 2123121 and the right limiting notch 2123221 respectively. When the skewer gets stuck in the feeding chamber, the worker loosens the first left bolt and nut assembly 2123131, the second left bolt and nut assembly 2123132, the first right bolt and nut assembly 2123231 and the second right bolt and nut assembly 2123232 in sequence. The left limiting plate 212312 and the right limiting plate 212322 can then move freely in the vertical direction. This means that the restriction on the freedom of the baffle 2122 in the vertical direction is lifted, which is conducive to forming a maintenance operation port.

[0042] It is known that the required length of skewers for vegetarian skewers varies depending on the customer's specific needs. Therefore, to ensure the orderly stacking of skewers in batches and to facilitate their sequential and smooth delivery into the feeding chamber, as a further optimization of the aforementioned technical solution, such as... Figure 5 As shown, the skewer storage and release device 21 is further equipped with a separator 213. For example... Figure 12 As shown, the separator 213 is a sheet metal part, and its lower edge completely matches the bottom wall of the hopper body 2121. The separator 213 is placed and fixed in the cavity of the hopper 212, and is in an upright position, thus dividing the cavity of the hopper 212 into a left-side tack-accepting cavity and a right-side spare cavity. In this way, when the length of the tack to be placed changes, the relative position of the separator 213 can be adjusted to ensure that the formed left-side tack-accepting cavity is adapted to the tack to be placed.

[0043] Feedback from on-site commissioning personnel indicates that during the operation of the skewer supply machine 2, skewer supply is prone to irregularities, making it difficult to match the working rhythm of the vegetarian roll cutting and spreading machine 4. This frequently leads to the vegetarian rolls being missed during cutting. The reason for this is that a batch of skewers are simultaneously fed into the hopper 212 and are compacted together, especially the skewers at the bottom that are about to be dropped, which are subjected to enormous downward pressure and often stick together. In view of this, as a further optimization of the above technical solution, such as Figure 5 , Figure 6 As shown, the skewer storage and release device 21 is also equipped with a front feeding mechanism 214 and a rear feeding mechanism 215. A batch of skewers are pre-placed into the hopper 212, and throughout the entire process of the skewers being supplied one by one through the feeding chamber, the batch of skewers to be supplied and still remaining in the hopper 212 are kept in a loose state due to the coordinated feeding force from the front feeding mechanism 214 and the rear feeding mechanism 215, and they automatically straighten themselves.

[0044] As Figure 5 As shown, the front-mounted feeding mechanism 214 mainly consists of feeding discs 2141, a rotating shaft 2142, and a power unit 2143. Multiple feeding discs 2141 are mounted and fixed to the rotating shaft 2142, arranged in parallel along the width of the hopper 212. The power unit 2143 consists of a motor and a synchronous belt drive mechanism. During the operation of the power unit 2143, the feeding discs 2141 synchronously rotate around the rotating shaft 2142, thus agitating the batch of labels.

[0045] As Figure 6 As shown, the rear feeding mechanism 215 mainly consists of a support base 2151, a reduction motor 2152, and a feeding wheel 2153. The support base 2151 sits on the base 211, and the two are fixed in a detachable manner. The reduction motor 2152 applies torque to the feeding wheel 2153, and this torque is borne by the support base 2151. The feeding wheel 2153 is composed of a feeding wheel body and a brush stick assembly. The brush stick assembly consists of multiple plastic brush sticks evenly distributed and fixedly embedded around the circumferential sidewalls of the feeding wheel body. Corresponding to the feeding wheel 2153, a clearance notch 21211 is provided on the bin body 2121. During the operation of the reduction motor 2152, the feeding wheel 2153 rotates circumferentially due to the torque, and at the same time, the plastic brush sticks can pass over the clearance notch 21211 to apply feeding force to the sticks.

[0046] It is known that, based on design common sense, the skewer pushing mechanism 22 can adopt various design structures to achieve the purpose of horizontally pushing the skewer. However, a simple design structure that is easy to manufacture and implement, and whose pushing action is extremely smooth, is recommended here. Specifically, as follows: Figure 3 , Figure 4 As shown, the skewer pushing mechanism 22 mainly consists of a rotary motor 221, a gear 222, and a skewer pushing rack 223. The skewer pushing rack 223 is used to directly push the skewer. The gear 222, which is adapted to the skewer pushing rack 223, is mounted on the power transmission shaft of the rotary motor 221. During a certain period of time, the skewer pushing rack 223 is subjected to a dragging force and performs a translational motion towards the vegetarian food rolling and cutting machine 4. The skewer in the stationary state is pushed out of the feeding chamber and into the vegetarian food rolling and cutting machine 4 by the pushing force directly from the skewer pushing rack 223. During another period of time, the skewer pushing rack 223 is subjected to a reverse dragging force and performs a translational motion away from the vegetarian food rolling and cutting machine 4. The vegetarian food rolling and cutting machine 4 is completely disengaged from the feeding chamber to reserve space for the subsequent skewer landing action.

[0047] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A skewer supply mechanism, comprising a skewer temporary storage and release device and a skewer pushing mechanism; the skewer temporary storage and release device includes a base and a hopper; the hopper is used to temporarily store skewers in batches, is located on the base, and incidentally forms a discharge chamber opposite to the vegetarian food rolling and cutting machine, allowing only one skewer to pass through at a time; the skewer falls into the discharge chamber, and subsequently, due to the pushing force from the skewer pushing mechanism, it performs a translational movement, moving out of the discharge chamber until it is submerged in the vegetarian food rolling and cutting machine, characterized in that, The hopper includes a hopper body, a baffle, and a limiting unit. The baffle is vertical and positioned directly in front of the hopper body, and its height changes due to the dragging force of a hand. In normal operation, the baffle rests on the base, and the material discharge chamber is formed between it and the hopper body. With the help of the limiting unit, the baffle's vertical displacement freedom is restricted to zero. In maintenance mode, the limiting unit releases the restriction on the baffle's vertical displacement freedom, and the baffle moves away from the base and upwards by a set distance due to the dragging force of a hand, thus forming a maintenance access port.

2. The skewer feeding mechanism according to claim 1, characterized in that, The limiting unit is composed of a left limiting subunit and a right limiting subunit; the left limiting subunit and the right limiting subunit are positioned opposite each other, and are respectively installed on the left and right side walls of the warehouse body.

3. The skewer feeding mechanism according to claim 2, characterized in that, The left limiting subunit and the right limiting subunit have the same design structure; the left limiting subunit includes a left base plate, a left limiting plate and a left fastening assembly; the left base plate is in contact with the left side wall of the compartment body and is fixed as one piece; the left limiting plate is detachably fixed to the left base plate by means of the left fastening assembly, and a left limiting notch extends forward from its rear side wall.

4. The skewer feeding mechanism according to claim 3, characterized in that, The left-side fastening assembly consists of a first left-side bolt and nut assembly and a second left-side bolt and nut assembly; the left-side base plate has a first left-side through hole and a second left-side through hole, and the left-side limiting plate has a first left-side waist-shaped hole and a second left-side waist-shaped hole extending along the height direction; when the left-side limiting plate is in the lower limit position, it can apply a pressing force to the baffle through the left-side limiting notch; and when the left-side limiting plate is in the non-lower limit position, it can release the restriction on the baffle's displacement freedom along the height direction.

5. The skewer feeding mechanism according to any one of claims 1-4, characterized in that, The temporary storage and release device for the tack also includes a separator; the separator is placed and fixed in the cavity of the hopper and is in a vertical position, so that the cavity of the hopper can be divided into a left tack-containing cavity and a right spare cavity.

6. The skewer feeding mechanism according to any one of claims 1-4, characterized in that, The skewer storage and release device also includes a front feeding mechanism and a rear feeding mechanism; a batch of skewers are pre-placed in the hopper, and during the entire process of the skewers being supplied one by one through the dropping chamber, the batch of skewers to be supplied and still remaining in the hopper are kept in a loose state due to the coordinated feeding force from the front feeding mechanism and the rear feeding mechanism, and automatically straighten themselves.

7. The skewer feeding mechanism according to claim 6, characterized in that, The pre-feeding mechanism includes a feeding disc, a rotating shaft, and a power unit; the feeding discs are mounted and fixed on the rotating shaft, and there are multiple feeding discs arranged in parallel along the width direction of the hopper; during the operation of the power unit, the feeding discs follow the rotating shaft to perform circumferential rotation, thereby disturbing the batch of tacks.

8. The skewer feeding mechanism according to claim 6, characterized in that, The rear feeding mechanism includes a support base, a reduction motor, and a feeding wheel; the support base is located on the base, and the two are fixed in a detachable manner; the reduction motor is used to apply rotational torque to the feeding wheel, and the support base bears the load; the feeding wheel is composed of a feeding wheel body and a brush stick assembly; the brush stick assembly consists of multiple plastic brush sticks evenly distributed and fixedly embedded around the circumferential sidewall of the feeding wheel body; a clearance notch is provided on the housing body corresponding to the feeding wheel.

9. A vegetarian skewer forming device, characterized in that, Includes the skewer feeding mechanism as described in any one of claims 1-8.

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