Strip-shaped fried product forming fryer

Abstract

This invention provides a strip-shaped fried food shaping and frying machine, including an oil tank, a heating component, and a basket circulation component. The oil tank has a feeding area and a discharging area at its two ends. The heating component is located at the bottom of the oil tank. The basket circulation component is installed inside the oil tank and includes multiple independent baskets. The baskets are driven by a circulation transmission mechanism to form a circulating movement path between the feeding area and the discharging area of ​​the oil tank. Each basket has a forming cavity that accommodates and constrains the strip-shaped fried food. This invention utilizes the circulating, constrained baskets as a carrier and mold. From the time the raw food enters the oil until it floats after shaping, it is confined within the specific cavity of the basket, thereby eliminating uncontrollable deformation caused by free fall, oil flow impact, contact with the conveyor belt, and dehydration shrinkage. This solves the problem of high defect rate caused by multiple deformations during the frying process of strip-shaped fried food, improving the first-grade product rate.

Description

Technical Field

[0001] This invention relates to the field of food processing technology, specifically to a strip-shaped deep fryer, which is particularly suitable for the industrial shaping and processing of strip-shaped batter-coated deep fryers such as crispy pork. Background Technology

[0002] Deep-fried strips of meat, especially crispy fried pork, are a popular traditional food. Their production typically involves deep-frying batter-coated strips to set their shape. In industrial production, the product's appearance, particularly the straightness of the strips, has become a crucial standard for measuring product quality, determining its grade, and price. Grade 1 products command higher market prices and are generally required to have straight, uniform strips, while bent or deformed products are classified as Grade 2, with significantly lower market prices.

[0003] Traditional industrial production of fried meat strips typically employs mesh belt or chain plate fryers. The process involves manually spreading batter-coated raw meat strips randomly onto the conveyor belt or chain plate of the fryer. Due to the soft texture of the raw meat strips, it is difficult to precisely control their landing point and direction during feeding. Furthermore, the impact of the oil and the movement of the conveyor mechanism when falling into the high-temperature oil tank easily causes secondary deformation. In addition, the evaporation of internal moisture and stress release during frying lead to tertiary deformation. These factors combined result in a final product containing 10% to 30% substandard products, severely impacting production efficiency and industry profits.

[0004] Therefore, there is an urgent need in this field for a high-efficiency shaping and frying equipment that can effectively improve the uniformity of the shape of strip-shaped fried foods and reduce the defect rate. Summary of the Invention

[0005] This invention provides a strip-shaped fried food shaping and frying machine to solve the defect of high defect rate caused by deformation during the frying process of traditional industrial production of strip-shaped fried foods in the prior art, and to achieve high-quality shaping and automated processing of strip-shaped foods.

[0006] This invention provides a strip-shaped fried food shaping frying machine, including an oil tank, a heating component, a hanging basket circulation component, and a discharge mechanism. The oil tank is used to hold liquid oil, with a first end forming a feeding area and a second end forming a discharge area. The heating component is disposed at the bottom of the oil tank and is used to heat the liquid oil within the tank. The hanging basket circulation component is installed inside the oil tank and includes multiple independent hanging baskets. These baskets are driven by a circulation transmission mechanism to form a circulating movement path between the feeding area and the discharge area of ​​the oil tank. Each hanging basket has a forming cavity for accommodating and constraining the strip-shaped fried food. The discharge mechanism is disposed in the discharge area of ​​the oil tank and is used to scoop out the fried and shaped products that float to the surface.

[0007] According to the present invention, a strip-shaped fried food shaping frying machine includes a basket comprising two end plates, two side plates, and a bottom plate. The two end plates form two end faces of the basket, and the top of the end plates is connected to the circulating transmission mechanism. The two side plates form two side faces of the basket. The bottom plate forms the bottom surface of the basket, and the bottom plate is a flat or arc-shaped surface with a width greater than the cross-sectional width of the strip-shaped fried food to be fried. The end plates, side plates, and bottom plate form a forming cavity of the basket, and multiple rows of through holes are distributed on the side plates.

[0008] According to the present invention, a strip-shaped fried food shaping frying machine includes a circulating transmission mechanism comprising an assembly frame, a reduction motor, an input shaft, a first sprocket, a second sprocket, two sets of third sprockets, and two sets of fourth sprockets. The assembly frame is detachably mounted on the inner sidewalls of the oil tank. The reduction motor is located on the side of the oil tank. The input shaft is rotatably mounted above the assembly frame, and its first end is connected to the reduction motor via a coupling. The first sprocket is fixed to the second end of the input shaft. The second sprocket is connected to the first sprocket via a first chain. The two sets of third sprockets are arranged opposite each other on the assembly frame and connected via a first transmission shaft, with the second sprocket mounted on the first transmission shaft. The two sets of fourth sprockets are arranged opposite each other on the assembly frame, with each fourth sprocket located at an end of the assembly frame away from the third sprocket. The two sets of fourth sprockets are connected via a second transmission shaft, and each set of fourth sprockets is correspondingly connected to each of the two sets of third sprockets via a second chain.

[0009] According to the present invention, a strip-shaped fried food shaping frying machine is provided, wherein a plurality of the baskets are connected to the second chain by means of hinges, and there is a movable gap at the hinge position so that the baskets can maintain the opening of the forming cavity facing upward under the action of gravity during the cyclic movement.

[0010] According to the present invention, a strip-shaped fried food shaping frying machine further includes a slag discharge mechanism, which includes a slag discharge trough, a spiral conveying shaft, a residue sedimentation trough, a fifth sprocket, and a sixth sprocket. The slag discharge trough is located at the bottom of the feeding area of ​​the oil tank and is a V-shaped trough. The spiral conveying shaft is rotatably disposed within the slag discharge trough and has spiral blades with the same rotation direction as the output shaft of the reduction motor. A gap is reserved between the spiral blades and the bottom of the slag discharge trough. The residue sedimentation trough is located at the end of the slag discharge trough where residue is discharged. The fifth sprocket is located at the end of the spiral conveying shaft. The sixth sprocket is mounted on a second transmission shaft and is connected to the fifth sprocket via a third chain drive.

[0011] According to the present invention, a strip-shaped fried food shaping frying machine includes a discharge mechanism comprising a discharge conveyor frame, a seventh sprocket, an eighth sprocket, and a chain mesh. The discharge conveyor frame is disposed in the discharge area of ​​the oil tank. The seventh sprocket and the eighth sprocket are disposed on the discharge conveyor frame. The chain mesh is driven between the seventh sprocket and the eighth sprocket to form a circulating conveying path on the discharge conveyor frame. The seventh sprocket is drivenly connected to the first sprocket via a fourth chain.

[0012] According to the present invention, a strip-shaped fried food shaping frying machine is provided on the side of the oil tank, wherein a geared motor mounting mechanism is provided. The geared motor mounting mechanism includes a geared motor mounting base, two linear guide rails, a spring positioning pin, and a stop. The geared motor mounting base is disposed on the side of the oil tank; the two linear guide rails are arranged parallel to each other on the geared motor mounting base; the spring positioning pin is disposed on the side of the linear guide rail near the input shaft, and is used to cooperate with the positioning hole provided on the geared motor to position and fix the geared motor; the stop is disposed on the end of the linear guide rail away from the input shaft, and is used to block and limit the geared motor.

[0013] The geared motor is slidably mounted on two linear guide rails, suitable for switching between a first position close to the input shaft and a second position far from the input shaft. The coupling is a perforated coupling, including a first half-coupling disposed at the first end of the input shaft and a second half-coupling disposed at the output shaft of the geared motor. When the geared motor is in the first position, the spring locating pin is inserted into the locating hole on the geared motor, and the first half-coupling and the second half-coupling cooperate to transmit the power of the geared motor to the input shaft. When the geared motor is in the second position, the first half-coupling and the second half-coupling disengage, and the power transmission path of the geared motor is disconnected.

[0014] According to the present invention, a strip-shaped fried food shaping frying machine is provided on the assembly frame, which is provided with a plurality of lifting rings, which are suitable for hoisting the basket circulation assembly and the circulation transmission mechanism as a whole from the oil tank when the reduction motor is in the second position, so as to clean the oil tank.

[0015] According to the present invention, a strip-shaped fried food shaping fryer is provided, wherein the circulating movement path formed by the basket circulation assembly includes an upper basket from the feeding area to the discharging area of ​​the oil tank and a lower basket from the discharging area to the feeding area of ​​the oil tank.

[0016] An oil drainer is provided between the upper and lower suspended baskets. The oil drainer includes multiple horizontally arranged cavities. Adjacent cavities are connected by a connecting pipe. Each cavity has multiple reinforcing ribs and an exhaust hole is formed on the cavity. The exhaust hole is directly connected to the atmosphere through a pipe to maintain the cavity at normal pressure.

[0017] According to the present invention, a strip-shaped fried food shaping frying machine is provided, wherein the heating assembly includes a heating tube junction box, a heating tube, and a protective plate, the heating tube junction box being disposed on the side of the oil tank; the heating tube is connected to the heating tube junction box and extends toward the bottom of the oil tank, the heating area of ​​the heating tube being located at the bottom of the oil tank; the protective plate is laid flat above the heating area of ​​the heating tube, and the protective plate is provided with a plurality of convection holes.

[0018] The present invention provides a strip-shaped fried food shaping and frying machine that uses a circulating, constrained basket as a carrier and mold. From the moment the raw product enters the oil until it floats to the surface after shaping, it is always confined within a specific cavity of the basket. This eliminates the uncontrollable deformation caused by free fall, oil flow impact, contact with the conveyor belt, and dehydration shrinkage in traditional processes. It solves the industry problem of high defect rates caused by repeated deformation during the frying process of strip-shaped fried foods. Through forced physical shaping, the rate of first-grade (straight strips) products can be improved. This invention enables automated and continuous production from feeding to discharging. The cyclical use of the basket ensures high production capacity. Because each product is shaped in an independent cavity, the product shape is highly uniform, providing a high level of standardization for industrial production and enhancing product added value and market competitiveness. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in this invention 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 some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0020] Figure 1 This is an isometric structural schematic diagram of the strip-shaped fried food shaping fryer provided by the present invention.

[0021] Figure 2 This is a schematic diagram of the assembly structure of the suspended basket circulation component and circulation transmission mechanism provided by the present invention.

[0022] Figure 3 This is an isometric structural schematic diagram of the suspended platform provided by the present invention.

[0023] Figure 4 This is a schematic diagram of the cross-sectional structure of the suspended platform provided by the present invention.

[0024] Figure 5 This is a schematic diagram of the assembly structure of the spiral conveyor shaft provided by the present invention in the slag discharge trough.

[0025] Figure 6 yes Figure 5 The left view.

[0026] Figure 7 This is a schematic diagram of the oil drainer provided by the present invention.

[0027] Figure 8 This is a schematic diagram of the distribution of the heating tubes in the oil tank provided by the present invention.

[0028] Figure 9 This is a schematic diagram of the heating component provided by the present invention.

[0029] Reference numerals: 1. Oil tank; 2. Heating assembly; 21. Heating tube junction box; 22. Heating tube; 23. Protective plate; 24. Convection hole; 3. Suspended basket; 31. End plate; 32. Side plate; 33. Bottom plate; 34. Through hole; 4. Circulating transmission mechanism; 40. Assembly frame; 41. Gear motor; 42. Input shaft; 43. Coupling; 44. First sprocket; 45. Second sprocket; 46. First chain; 47. Third sprocket; 48. Fourth sprocket; 49. Second chain; 5. Discharge mechanism; 51. Output 52. Material conveyor frame; 53. Seventh sprocket; 54. Chain mesh; 55. Fourth chain; 6. Slag discharge mechanism; 61. Slag discharge trough; 62. Screw conveyor shaft; 63. Residue sedimentation tank; 64. Fifth sprocket; 65. Sixth sprocket; 66. Third chain; 7. Gear motor mounting mechanism; 71. Gear motor mounting base; 72. Linear guide rail; 73. Spring positioning pin; 74. Stop block; 8. Lifting ring; 9. Oil drainer; 91. Cavity; 92. Connecting pipe; 93. Reinforcing rib; 94. Vent hole. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0031] The following is combined with Figures 1 to 9 The specific structure and working process of the bar-shaped fried food shaping fryer of the present invention are described.

[0032] One embodiment of the present invention provides a strip-shaped fried food shaping frying machine, see [link to relevant documentation]. Figure 1As shown, the device includes an oil tank 1, a heating assembly 2, a basket circulation assembly, and a discharge mechanism 5. The oil tank 1 is used to hold oil, with a feeding area at the first end and a discharge area at the second end. The heating assembly 2 is located at the bottom of the oil tank 1 and is used to heat the oil in the oil tank 1. The basket circulation assembly is installed inside the oil tank 1 and includes multiple independent baskets 3. The multiple baskets 3 are driven by a circulation transmission mechanism 4 to form a circulation movement path between the feeding area and the discharge area of ​​the oil tank 1. The baskets 3 have a forming cavity for accommodating and constraining the strip-shaped fried products. The discharge mechanism 5 is located in the discharge area of ​​the oil tank 1 and is used to scoop out the products that have floated to the surface after being fried and shaped.

[0033] It is understood that this strip-shaped frying machine of this embodiment includes an oil tank 1 containing liquid oil, with one end of the oil tank 1 serving as the feeding area and the other end as the discharging area. Inside the oil tank 1, multiple independent baskets 3 are driven by a set of circulating transmission mechanisms 4, forming a circulating movement path between the feeding area and the discharging area. Each basket 3 has its own forming cavity capable of accommodating and constraining a single strip of food. When the battered raw meat strips are placed one by one into the forming cavity of the basket 3 in the feeding area, the basket 3 carries the meat strips into the liquid oil and moves along the set path. During this process, the forming cavity provides continuous physical constraint to the soft raw meat strips from the bottom and sides, ensuring that they remain straight throughout the frying and shaping stage, preventing free deformation. After the meat strips are fried and shaped in the basket 3 and their internal structure is fixed, they will automatically float from the forming cavity due to density changes. The discharging mechanism 5 located in the discharging area then promptly scoops out the floating shaped products, completing the automated discharging process.

[0034] In this embodiment, a cyclically moving basket 3 with a constrained cavity is used as a carrier and mold. From the time the green blank enters the oil until it is shaped and floats up, it is always confined within the specific cavity of the basket 3. This eliminates the uncontrollable deformation caused by factors such as free fall, oil flow impact, contact with the conveyor belt, and dehydration shrinkage in traditional processes. This physical constraint mechanism of the basket 3 ensures the stability of the product's shape during the shaping stage.

[0035] It is important to understand that this embodiment solves the industry problem of high defect rates in strip-shaped fried products due to repeated deformation during frying. Through forced physical shaping, the rate of first-grade products (straight strips) can be increased to nearly 100%. Secondly, this embodiment enables automated and continuous production from feeding to discharging, and the cyclical use of the hanging basket 3 ensures high production capacity. Finally, because each product is shaped in an independent cavity, the product shape is highly uniform, providing a high level of standardization for industrial production and enhancing product added value and market competitiveness.

[0036] In some embodiments of the strip-shaped fried food shaping frying machine of the present invention, combined with Figure 3 and Figure 4As shown, the basket 3 includes two end plates 31, two side plates 32, and a bottom plate 33. The two end plates 31 form the two end faces of the basket 3, and the top of the end plates 31 is connected to the circulating transmission mechanism 4. The two side plates 32 form the two sides of the basket 3, and the two side plates 32 are arranged in a V-shape or U-shape. The bottom plate 33 forms the bottom surface of the basket 3. The bottom plate 33 is a flat or arc-shaped surface, and the width of the bottom plate 33 is greater than the cross-sectional width of the strip-shaped fried food to be fried. The end plates 31, side plates 32, and bottom plate 33 form the forming cavity of the basket 3. Multiple rows of through holes 34 are distributed on the side plates 32. The bottom row of through holes 34 on the side plates 32 forms a gap with the bottom plate 33 to prevent unsolidified batter from flowing in and blocking the through holes 34.

[0037] It is understood that the hanging basket 3 is the core component of this invention for achieving efficient and high-yield shaping of strip-shaped food products. In this embodiment, the hanging basket 3 is mainly composed of end plates 31, side plates 32, and a bottom plate 33. The two end plates 31 are located at both ends of the hanging basket 3, and the upper part is connected to the circulating transmission mechanism 4; the two side plates 32 are arranged symmetrically in a V-shape or U-shape, forming the inclined side of the forming cavity, providing lateral constraint on the meat strips; the bottom plate 33 forms the supporting bottom surface of the forming cavity, and its width is designed to be slightly larger than the average cross-sectional width of the raw meat strips, reserving space for the moderate expansion of the meat strips during frying and preventing jamming due to expansion. The end plates 31, side plates 32, and bottom plate 33 together form a groove-shaped forming cavity with an open top and an approximately cross-section, used to accommodate and physically constrain a single meat strip during frying.

[0038] During implementation, the V-shaped or U-shaped side plates 32 form a tapered guiding structure, facilitating the precise placement of the soft, battered meat strips by hand or machine. After being immersed in oil, the meat strips are adhered and restrained from both sides, effectively resisting the bending tendency caused by oil flow impact and internal stress release, ensuring the final product is straight. The densely distributed multiple rows of through holes 34 on the side plates 32 not only reduce the resistance of the basket 3 moving in the oil, ensuring its stable operation, but more importantly, increase the contact area between the hot oil and the meat strips, accelerating heat transfer and allowing the meat strips to be quickly and evenly shaped. Crucially, if the batter flows into the through holes 34 and is fryed and shaped at high temperature, it forms a strong rivet structure, locking the meat strips to the basket 3, preventing them from floating smoothly after shaping. In this embodiment, the lower edge of the lowest row of through holes 34 on the side plates 32 maintains a specific distance from the plane of the bottom plate 33. This distance effectively prevents unsolidified thin batter from flowing and seeping into the through holes 34.

[0039] It should be understood that, through the ingenious structural combination described above, the basket 3 in this embodiment not only serves as a conveying carrier, but also acts as a continuously functioning moving mold, providing a stable forming environment for each product throughout the entire frying cycle. From oil confinement and efficient heating to anti-sticking release, it can achieve continuous automated production with high quality and high straightness.

[0040] In some embodiments of the strip-shaped fried food shaping frying machine of the present invention, see Figure 2 As shown, the circulating transmission mechanism 4 includes an assembly frame 40, a reduction motor 41, an input shaft 42, a first sprocket 44, a second sprocket 45, two sets of third sprockets 47, and two sets of fourth sprockets 48. The assembly frame 40 is detachably mounted on the inner walls of the oil tank 1. The reduction motor 41 is located on the side of the oil tank 1. The input shaft 42 is rotatably mounted above the assembly frame 40, and its first end is connected to the reduction motor 41 via a coupling 43. The first sprocket 44 is fixed to the second end of the input shaft 42. The second sprocket... 45 is connected to the first sprocket 44 via the first chain 46; two sets of third sprockets 47 are disposed opposite to each other on the assembly frame 40 and connected via the first drive shaft, and the second sprocket 45 is mounted on the first drive shaft; two sets of fourth sprockets 48 are disposed opposite to each other on the assembly frame 40, and the fourth sprockets 48 are located at the end of the assembly frame 40 away from the third sprockets 47, the two sets of fourth sprockets 48 are connected via the second drive shaft, and the two sets of fourth sprockets 48 and the two sets of third sprockets 47 are respectively connected by a second chain 49.

[0041] It is understood that the circulating transmission mechanism 4 is the core power and transmission system that drives the basket circulation assembly to circulate within the oil tank 1. In this embodiment, the circulating transmission mechanism 4 is based on an integrated assembly frame 40, which is detachably mounted on the inner walls of both sides of the oil tank 1, forming a stable internal transmission skeleton. The power of the circulating transmission mechanism 4 is provided by a geared motor 41 located on the side of the oil tank 1, and the power is transmitted to the input shaft 42 mounted above the assembly frame 40 through a coupling 43. One end of the input shaft 42 is fixed with a first sprocket 44, and the power is transmitted from the first sprocket 44 to the second sprocket 45 through the first chain 46. The second sprocket 45 and two sets of coaxially arranged third sprockets 47 are mounted on the same first transmission shaft, thereby synchronously distributing the power to both sides of the equipment.

[0042] During implementation, the specific transmission path of the circulating transmission mechanism 4 is as follows: two sets of fourth sprockets 48 located at both ends of the assembly frame 40 are connected by a second transmission shaft to form the driven end; each set of third sprockets 47 and the corresponding fourth sprockets 48 are connected by a second chain 49 for closed-loop transmission; these two parallel second chains 49 constitute the track for the suspension and movement of the basket circulation assembly. The rotational power of the reduction motor 41, via the input shaft 42, first sprocket 44, first chain 46, second sprocket 45, first transmission shaft, and third sprocket 47, ultimately drives these two second chains 49 to rotate synchronously, thereby driving all the baskets 3 hinged to the chains to move along the path determined by the third sprocket 47 and the fourth sprocket 48 (i.e., from the feeding area at one end of the oil tank 1 to the discharge area at the other end, and then back from the discharge area of ​​the oil tank 1 to the feeding area, making a stable cyclical motion).

[0043] It is important to understand that this embodiment integrates the main transmission components (sprockets, chains, shafts) onto a single, hoistable assembly frame 40, achieving modular separation of the transmission system from the oil tank 1 body. This facilitates equipment maintenance and deep cleaning. The single-motor, multi-stage chain drive design ensures the synchronization and stability of power when driving multiple rows of baskets 3 and subsequent components such as material discharge and slag removal (described in detail later). This plays a crucial role in ensuring consistent movement of each basket 3 in the oil and uniform product heating time. The compact structure achieves centralized drive of multiple moving parts within a limited space.

[0044] In some embodiments of the strip-shaped fried food shaping fryer of the present invention, multiple baskets 3 are connected to the second chain 49 by hinges, and there is a movable gap at the hinge position so that the baskets 3 can maintain the horizontal state with the opening of the forming cavity facing upward under the action of gravity during the cyclic movement.

[0045] It is understood that in this embodiment, the connection between the suspended basket 3 and the circulating transmission mechanism 4 adopts a hinged structure with reserved movement clearance. Specifically, the second chain 49 is a custom-shaped chain with L-shaped mounting plates riveted at equal intervals. The top of each suspended basket 3 is hinged to the mounting plates of the custom-shaped chain by pins and cotter pins. Importantly, the hinge hole fit design does not adopt a tight fit, but rather sets appropriate radial or axial movement clearance.

[0046] During equipment operation, when the suspended platform 3 is driven by the second chain 49 and moves along a specific circulation path within the oil tank 1 (especially when turning through sprocket engagement or transitioning between different inclined sections), the clearance at the hinge provides the suspended platform 3 with a limited space for free swinging. At this time, gravity becomes the core factor dominating the attitude of the suspended platform 3. Regardless of the angle of movement of the second chain 49, the suspended platform 3 will automatically adjust its own attitude under the action of gravitational torque through slight swinging at the hinge point, ultimately ensuring that the opening of the molding cavity carrying the product always remains stably upward and horizontal or nearly horizontal.

[0047] It is important to understand that the gap hinge structure in this embodiment ensures that each basket 3, at all positions in the oil tank 1, especially the heating and shaping section immersed in the oil, can support the meat strips in a horizontal posture. This avoids bending deformation caused by the meat strips sliding to one side, uneven force distribution, or abnormal contact with the sidewall due to the tilt of the basket 3. This passive gravity leveling mechanism in this embodiment relies entirely on physical principles, requiring no sensors or active control systems. It has a simple and reliable structure, low maintenance costs, and is very suitable for the harsh working conditions of high temperature and high oil content in the food processing industry. Moreover, the movable gap in this embodiment also buffers any minor jumps or asynchrony that may exist in the transmission of the second chain 49, reducing the stress that may be generated by the rigid connection and helping to extend the service life of the basket 3 and the transmission components.

[0048] In some embodiments of the strip-shaped fried food shaping fryer of the present invention, the strip-shaped fried food shaping fryer further includes a slag discharge mechanism 6, combined with Figure 2 , Figure 5 and Figure 6 As shown, the slag discharge mechanism 6 includes a slag discharge trough 61, a screw conveyor shaft 62, a residue sedimentation trough 63, a fifth sprocket 64, and a sixth sprocket 65. The slag discharge trough 61 is located at the bottom of the feeding area of ​​the oil tank 1 and is a V-shaped trough. The screw conveyor shaft 62 is rotatably mounted inside the slag discharge trough 61. The screw conveyor shaft 62 has helical blades that rotate in the same direction as the output shaft of the geared motor 41. A gap is reserved between the helical blades and the bottom of the slag discharge trough 61. The residue sedimentation trough 63 is located at the end of the slag discharge trough 61 where residue is discharged. The fifth sprocket 64 is located at the end of the screw conveyor shaft 62. The sixth sprocket 65 is mounted on the second drive shaft, and the sixth sprocket 65 and the fifth sprocket 64 are connected by a third chain 66.

[0049] It is understood that this embodiment includes a slag removal mechanism 6 for the strip-shaped fried food fryer, used to remove batter debris and other deposits generated during the frying process. In some specific examples, the slag removal mechanism 6 includes a V-shaped slag removal trough 61 located at the bottom of the feeding area of ​​the oil tank 1, a spiral conveyor shaft 62 installed inside the slag removal trough 61, a residue sedimentation tank 63 located at the end of the slag removal trough 61, and related sprocket drive components. The V-shaped slag removal trough 61 facilitates the guidance of dispersed residues to the centerline of the trough bottom for collection; the blades on the spiral conveyor shaft 62 are designed with a rotation direction that ensures that when rotating, they can push the residues axially towards the designated discharge end and into the residue sedimentation tank 63; a small gap is reserved between the bottom of the spiral blades on the spiral conveyor shaft 62 and the bottom of the slag removal trough 61 to avoid direct hard friction between metals, reducing wear and operating resistance.

[0050] During equipment operation, see Figure 2As shown, the slag discharge mechanism 6 works in conjunction with the main drive system. Its power comes from the second drive shaft on the assembly frame 40. Through the sixth sprocket 65 and the third chain 66 mounted on the second drive shaft, the fifth sprocket 64 mounted on the end of the screw conveyor shaft 62 is driven, thereby driving the screw conveyor shaft 62 to rotate continuously. During the frying operation, the batter debris and possible charred particles falling off the meat strips gradually settle to the bottom of the oil tank 1 due to their high density. When the bottom of the circulating basket 3 passes the bottom of the oil tank 1, it acts as a scraper, sweeping these deposits towards and collecting them in the V-shaped slag discharge trough 61. Subsequently, the continuously rotating screw conveyor shaft 62 smoothly axially transports the residue collected at the bottom of the tank, finally pushing it to the residue sedimentation tank 63 at the end for centralized temporary storage. The operator can periodically open the valve of the sedimentation tank to discharge the oil residue mixture from the system.

[0051] It is important to understand that the slag removal mechanism 6 in this embodiment enables real-time, automatic cleaning of residues during production. This prevents debris from being repeatedly fried in high-temperature oil for extended periods, leading to carbonization and blackening. This effectively slows down the deterioration of the edible oil, ensuring the stability and uniformity of the color and flavor of fried products, extending the oil's lifespan, and reducing production costs. Secondly, the continuous mechanical slag removal in this embodiment reduces the need for manual cleaning during production stoppages, ensuring production continuity and automation, and improving overall equipment utilization. Furthermore, the combination of the V-shaped groove and the screw conveyor, along with the gap design between the blades and the groove bottom, achieves efficient slag removal while also ensuring smooth operation and component durability. This allows the slag removal mechanism 6 to operate reliably for extended periods in harsh environments with high-temperature oil contamination.

[0052] In some embodiments of the strip-shaped fried food shaping frying machine of the present invention, see again Figure 2 As shown, the discharge mechanism 5 includes a discharge conveyor frame 51, a seventh sprocket 52, an eighth sprocket 53, and a chain mesh 54. The discharge conveyor frame 51 is located in the discharge area of ​​the oil tank 1. The seventh sprocket 52 and the eighth sprocket 53 are located on the discharge conveyor frame 51. The chain mesh 54 is driven between the seventh sprocket 52 and the eighth sprocket 53 to form a circulating conveying path on the discharge conveyor frame 51. The seventh sprocket 52 is driven to the first sprocket 44 via the fourth chain 55.

[0053] It is understood that in this embodiment, the discharge mechanism 5 is linked to the main drive system to automatically retrieve and transfer the fried and shaped finished products. The discharge mechanism 5 includes a discharge conveyor frame 51 located in the discharge area of ​​the oil tank 1, a seventh sprocket 52 and an eighth sprocket 53 mounted on the discharge conveyor frame 51, and a chain mesh 54 tensioned and wrapped around the two sprockets. The chain mesh 54 has a mesh structure to facilitate the removal of adhering oil. The power of the discharge mechanism 5 also comes from the main drive system: the seventh sprocket 52 is connected to the first sprocket 44 fixed on the input shaft 42 via the fourth chain 55, thereby obtaining power.

[0054] During equipment operation, after the meat strips carried by the basket 3 are fried and shaped in the oil, their internal moisture evaporates, and their structure is fixed, their density decreases. They automatically detach from the forming cavity of the basket 3 and float to the oil surface. At this time, the circulating chain mesh 54 is partially submerged below the oil surface in the discharge area. The floating, shaped crispy meat strips are then caught by the moving chain mesh 54. Driven by the seventh sprocket 52 and the eighth sprocket 53, the chain mesh 54 scoops the caught products out of the oil and conveys them upwards or horizontally along the inclined or horizontal discharge conveyor frame 51. During the conveying process, excess hot oil adhering to the surface of the products flows back to the oil tank through the mesh of the chain mesh 54, achieving preliminary oil draining. Finally, the products are transported to the receiving station outside the oil tank 1 to enter the next cooling, packaging, or quick-freezing process.

[0055] The discharge mechanism 5 in this embodiment achieves efficient and damage-free automated discharge of fried products. The linkage design between the discharge mechanism 5 and the main drive system ensures that the discharge rhythm is synchronized with the cyclical movement of the basket 3 and the product's shaping and floating time, achieving seamless integration of the production process and preventing products from being soaked in high-temperature oil for too long or accumulating. The use of a chain conveyor 54 naturally completes the oil draining step while performing the transfer function, helping to control the oil content of the product and improve quality. The entire discharge process is fully mechanized, requiring no manual intervention. This not only reduces labor intensity and labor costs but also avoids product shape damage (such as breakage) that may occur during manual handling, ensuring that high-straightness finished products can enter subsequent stages intact, thus achieving fully automated, high-quality production from feeding to discharge.

[0056] In some embodiments of the strip-shaped fried food shaping frying machine of the present invention, combined with Figure 1 and Figure 2As shown, a geared motor mounting mechanism 7 is provided on the side of the oil tank 1. The geared motor mounting mechanism 7 includes a geared motor mounting base 71, two linear guide rails 72, a spring positioning pin 73, and a stop 74. The geared motor mounting base 71 is located on the side of the oil tank 1. The two linear guide rails 72 are arranged in parallel on the geared motor mounting base 71. The spring positioning pin 73 is located on the side of the linear guide rail 72 near the input shaft 42 and is used to cooperate with the positioning hole provided on the geared motor 41 to position and fix the geared motor 41. The stop 74 is located on the end of the linear guide rail 72 away from the input shaft 42 and is used to block and limit the geared motor 41.

[0057] The geared motor 41 is slidably mounted on two linear guide rails 72, suitable for switching between a first position close to the input shaft 42 and a second position far from the input shaft 42; the coupling 43 is a plum blossom type coupling, including a first half coupling disposed at the first end of the input shaft 42 and a second half coupling disposed at the output shaft of the geared motor 41; when the geared motor 41 is in the first position, the spring positioning pin 73 is inserted into the positioning hole on the geared motor 41, and the first half coupling and the second half coupling are engaged to transmit the power of the geared motor 41 to the input shaft 42; when the geared motor 41 is in the second position, the first half coupling and the second half coupling are disengaged, and the power transmission path of the geared motor 41 is disconnected.

[0058] It is understood that this embodiment uses a geared motor mounting mechanism 7 to install the geared motor 41, enabling the connection and disconnection of the geared motor 41 from the main equipment, thus facilitating maintenance operations on the main equipment. The geared motor mounting mechanism 7 includes a geared motor mounting base 71 fixed to the side of the oil tank 1, a pair of linear guide rails 72 mounted parallel to it, a spring-loaded locating pin 73 with spring return, and an end stop 74. The geared motor 41 is entirely mounted on a slider, which can slide smoothly along the linear guide rails 72. The two halves of the plum blossom coupling 43 are respectively mounted on the output shaft of the geared motor 41 and the input shaft 42 of the transmission system.

[0059] Under normal production (operation) conditions, the geared motor 41 is pushed to the first position close to the input shaft 42. At this time, the half-coupling on the output shaft of the geared motor 41 precisely engages with the half-coupling on the input shaft 42, forming a complete coupling 43, allowing power to be transmitted. Simultaneously, the spring locating pin 73 located on the side of the linear guide 72 automatically pops out under the action of elastic force and inserts into the corresponding locating hole on the slider of the geared motor 41, firmly locking the motor in this working position and ensuring stable and reliable transmission.

[0060] When internal cleaning or maintenance is required, the operator simply needs to manually pull out the spring positioning pin 73 (to retract it) to release the lock on the geared motor 41. Then, the entire geared motor 41 can be slid backward along the linear guide 72 (away from the input shaft 42) until it is stopped by the end block 74, reaching the second position. During this process, the two halves of the plum blossom coupling axially separate, completely disconnecting the power connection. This separation makes the entire basket circulation assembly, circulation transmission mechanism 4, and discharge mechanism 5 and slag removal mechanism 6 (integrated on the assembly frame 40) inside the oil tank 1 an independent module, decoupled from the external power source. At this point, the entire internal assembly can be lifted directly from the oil tank 1 using hoisting equipment for cleaning and maintenance without complex on-site disassembly.

[0061] It is important to understand that this embodiment achieves rapid engagement and disengagement of the core power connection through a simple linear sliding and quick-locking pin mechanism. This simplifies the previously cumbersome operations of disassembling couplings and loosening motor base bolts into a simple pulling action, shortening preparation time before maintenance and reset time after maintenance, thus improving equipment utilization. More importantly, this embodiment, through the control of the geared motor 41 by the geared motor mounting mechanism 7, makes it possible to completely lift out and clean the complex components inside the oil tank 1, solving the problem of difficult-to-clean hygiene dead corners in food processing equipment. Simultaneously, the plum blossom coupling itself has a certain radial and angular deviation compensation capability, which, combined with the guidance of the linear guide rail 72, makes the motor docking and disengagement process smoother and more aligned, improving the durability and ease of operation of the mechanism.

[0062] Furthermore, see again Figure 2 As shown, the assembly frame 40 is provided with multiple lifting rings 8, which are suitable for lifting the basket circulation assembly and the circulation transmission mechanism 4 as a whole from the oil tank 1 by means of the lifting rings 8 when the geared motor 41 is in the second position, so as to clean the oil tank 1.

[0063] It is understood that in this embodiment, multiple lifting rings 8 are pre-set on the assembly frame 40, forming the force points for the rapid hoisting of the internal components. The multiple lifting rings 8 are usually symmetrically and firmly welded or bolted to the top of the assembly frame 40 or the load-bearing structure. When the reduction motor 41 slides along the linear guide rail 72 to the second position, causing the plum blossom coupling to disengage and thus disconnecting the power transmission path, the basket circulation component, circulation transmission mechanism 4 (including sprockets, chains, shafts, etc.) inside the oil tank 1, as well as the discharge mechanism 5, slag discharge mechanism 6 and other components rigidly connected or integrated therewith, together form a complete internal functional module independent of the oil tank shell.

[0064] During cleaning and maintenance, maintenance personnel use workshop overhead cranes, electric hoists, or other lifting equipment to connect the hooks to the lifting rings 8 on the assembly frame 40. Since all internal components have been integrated into one unit through the assembly frame 40, and the only remaining contact with external oil has been severed through the oil draining operation, the entire internal module can be smoothly and vertically lifted in one go, completely detached from the space of the oil tank 1 body. After being lifted out, the interior of the oil tank 1 is fully exposed, allowing for thorough rinsing, scrubbing, and disinfection without any blind spots. Simultaneously, the lifted internal module can also be transferred to a dedicated cleaning area for deep cleaning and maintenance.

[0065] In some embodiments of the strip-shaped fried food shaping fryer of the present invention, the circulating movement path formed by the basket circulation assembly includes an upper basket from the feeding area of ​​the oil tank 1 to the discharging area and a lower basket from the discharging area of ​​the oil tank 1 to the feeding area. An oil drainer 9 is provided between the upper and lower baskets. See [reference needed]. Figure 7 As shown, the oil drainer 9 includes multiple horizontally arranged cavities 91. Two adjacent cavities 91 are connected by a connecting pipe 92. Each cavity 91 has multiple reinforcing ribs 93 inside. An exhaust hole 94 is formed on the cavity 91. The exhaust hole 94 is directly connected to the atmosphere through a pipe to maintain the cavity 91 at normal pressure.

[0066] Understandably, the oil drainer 9 in this embodiment is used to reduce the initial oil filling volume and daily oil consumption of the equipment without sacrificing the working volume of the oil tank 1. The oil drainer 9 is located in the basket circulation path, specifically between the fully loaded upper basket and the empty lower basket returning. The main body of the oil drainer 9 consists of multiple horizontally arranged sealed cavities 91. These cavities 91 are typically welded from high-temperature resistant, food-grade stainless steel plates. Adjacent cavities 91 are interconnected by connecting pipes 92 to ensure pressure balance in each cavity. Each cavity 91 has crisscrossing reinforcing ribs 93 welded inside to resist external pressure from high-temperature hot oil and prevent deformation or collapse of the cavity during long-term use. Each cavity 91 or connecting pipe 92 also has an exhaust port 94 at its upper end, which extends to the outside of the equipment and directly to the atmosphere through a pipe.

[0067] During equipment operation, the oil drainer 9 is always completely submerged in hot oil. Its working principle is a physical volume displacement: the large rigid body composed of multiple cavities 91 occupies a considerable portion of the space inside the oil tank 1. Therefore, to achieve the same working oil level, the volume of edible oil that needs to be injected is correspondingly reduced, lowering the initial oil purchase cost and the amount of oil that needs to be replenished later due to evaporation and carryover losses. The function of the vent 94 and the vent pipe is to maintain the pressure inside the cavity at the same level as atmospheric pressure. When the equipment starts heating and the oil temperature rises, the air remaining in the cavity 91 will expand due to heat. Without a venting channel, the pressure inside the sealed cavity will rise sharply, posing a risk of bursting or even exploding. The vent pipe in this embodiment ensures that the internal pressure can be released freely, guaranteeing the safe operation of the equipment.

[0068] In some embodiments of the strip-shaped fried food shaping frying machine of the present invention, combined with Figure 8 and Figure 9 As shown, the heating assembly 2 includes a heating tube junction box 21, a heating tube 22, and a protective plate 23. The heating tube junction box 21 is located on the side of the oil tank 1. The heating tube 22 is connected to the heating tube junction box 21 and extends towards the bottom of the oil tank 1. The heating area of ​​the heating tube 22 is located at the bottom of the oil tank 1. The protective plate 23 is laid flat above the heating area of ​​the heating tube 22, and multiple convection holes 24 are provided on the protective plate 23.

[0069] It is understood that the heating assembly 2 in this embodiment consists of a heating tube 22, a protective plate 23, and a heating tube junction box 21. The heating tube 22 is usually a three-phase electric heating tube, and its shape (such as L-shaped) is set according to the bottom contour of the oil tank 1. It is powered by the heating tube junction box 21 on the side. The main heating section (heating area) is densely arranged at the bottom of the oil tank 1 to provide a stable and uniform bottom heat source. A protective plate 23 is laid flat and covered above the main heating section (heating area) of the heating tube 22. Multiple convection holes 24 are regularly opened on the protective plate 23.

[0070] During equipment operation, the heating tube 22 directly heats the surrounding oil after being energized. The protective plate 23 serves as a physical isolation and protection, separating the high-speed circulating basket assembly and potentially falling debris from the fragile heating tube 22. This effectively prevents direct scraping or collision between the bottom of the basket 3 or other components and the heating tube 22 during movement, improving the service life and operational safety of the heating tube 22. Simultaneously, the protective plate 23 is not a completely sealed baffle; convection holes 24 allow the hot oil directly heated by the heating tube 22 to flow upwards, while simultaneously encouraging cooler oil above to flow downwards. This creates a continuous and natural oil thermal convection circulation above and below the protective plate 23. This convection improves the efficiency of heat transfer from the heating tube 22 to the entire oil tank, preventing overheating of the heating tube 22 or localized high-temperature deterioration of the oil due to heat accumulation at the bottom, and promoting the uniformity of the overall temperature within the oil tank 1.

[0071] It should be understood that in the structure of the heating assembly 2 in this embodiment, the introduction of the protective plate 23 solves the problem of interference and wear between moving parts and stationary heating elements, reducing the failure rate and maintenance costs. The convection holes 24 promote heat exchange, compensating for the potential negative heat insulation effects of the protective plate 23, ensuring heating efficiency, and enabling the oil temperature to quickly reach and stabilize at the set process temperature. The heating assembly 2 in this embodiment has a simple and reliable overall structure, is easy to install and maintain, and is very suitable for application in food processing equipment that requires frequent cleaning. Through the organic combination of protection and heat conduction, it can achieve a stable and reliable heating effect in dynamic and complex frying environments.

[0072] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A strip-shaped fried food shaping and frying machine, characterized in that, include: An oil tank (1) is used to hold oil. The first end of the oil tank (1) forms a feeding area, and the second end forms a discharging area. Heating component (2) is disposed at the bottom of the oil tank (1) and is used to heat the oil in the oil tank (1); The basket circulation assembly is installed in the oil tank (1). The basket circulation assembly includes multiple independent baskets (3). The multiple baskets (3) are driven by a circulation transmission mechanism (4) to form a circulation movement path between the feeding area and the discharging area of ​​the oil tank (1). The basket (3) has a forming cavity for accommodating and constraining the strip-shaped fried food.

2. The strip-shaped fried food shaping and frying machine according to claim 1, characterized in that, The suspended platform (3) includes: Two end plates (31) are formed as the two end faces of the basket (3), and the top of the end plates (31) is connected to the circulating transmission mechanism (4). Two side panels (32) are formed as the two sides of the suspended basket (3); The bottom plate (33) is formed as the bottom surface of the basket (3). The bottom plate (33) is a flat or arc-shaped surface. The width of the bottom plate (33) is greater than the cross-sectional width of the strip-shaped fried food to be fried. The end plate (31), the side plate (32) and the bottom plate (33) form the forming cavity of the hanging basket (3), and the side plate (32) has multiple rows of through holes (34).

3. The strip-shaped fried food shaping and frying machine according to claim 1, characterized in that, The circulating transmission mechanism (4) includes: The assembly frame (40) is detachably mounted on the inner sidewall opposite to the oil tank (1); A geared motor (41) is located on the side of the oil tank (1); The input shaft (42) is rotatably mounted above the assembly frame (40), and the first end of the input shaft (42) is connected to the geared motor (41) through a coupling (43); The first sprocket (44) is fixed to the second end of the input shaft (42); The second sprocket (45) is connected to the first sprocket (44) via the first chain (46); Two sets of third sprockets (47) are arranged opposite to each other on the assembly frame (40) and connected by a first drive shaft, and the second sprocket (45) is assembled on the first drive shaft; Two sets of fourth sprockets (48) are disposed opposite to each other on the assembly frame (40), and the fourth sprockets (48) are located at the end of the assembly frame (40) away from the third sprocket (47). The two sets of fourth sprockets (48) are connected by a second drive shaft, and the two sets of fourth sprockets (48) and the two sets of third sprockets (47) are respectively connected by a second chain (49).

4. The strip-shaped fried food shaping and frying machine according to claim 3, characterized in that, Multiple baskets (3) are connected to the second chain (49) by hinges, and there is a movable gap at the hinge position so that the baskets (3) can maintain the upward horizontal state of the molding cavity opening under the action of gravity during the cyclic movement.

5. The strip-shaped fried food shaping and frying machine according to claim 3, characterized in that, The strip-shaped fried food shaping fryer also includes a slag removal mechanism (6), which includes: The slag discharge trough (61) is located at the bottom of the feeding area of ​​the oil tank (1), and the slag discharge trough (61) is a V-shaped trough; The spiral conveyor shaft (62) is rotatably disposed in the slag discharge trough (61). The spiral conveyor shaft (62) has spiral blades that rotate in the same direction as the output shaft of the geared motor (41). The spiral blades have a gap between them and the bottom of the slag discharge trough (61). A residue sedimentation tank (63) is provided at one end of the slag discharge tank (61) where the residue is discharged; The fifth sprocket (64) is disposed at the end of the spiral conveyor shaft (62); The sixth sprocket (65) is mounted on the second drive shaft, and the sixth sprocket (65) is connected to the fifth sprocket (64) by a third chain (66).

6. The strip-shaped fried food shaping and frying machine according to claim 3, characterized in that, The strip-shaped fried food shaping fryer also includes a discharge mechanism (5), which is located in the discharge area of ​​the oil tank (1) and is used to remove the products that float to the surface after frying and shaping. The discharge mechanism (5) includes: The discharge conveyor (51) is located in the discharge area of ​​the oil tank (1); The seventh sprocket (52) and the eighth sprocket (53) are mounted on the discharge conveyor (51); Chain mesh (54) is driven between the seventh sprocket (52) and the eighth sprocket (53) to form a circulating conveying path on the discharge conveyor frame (51); The seventh sprocket (52) is connected to the first sprocket (44) via the fourth chain (55).

7. The strip-shaped fried food shaping and frying machine according to claim 3, characterized in that, A geared motor mounting mechanism (7) is provided on the side of the oil tank (1), and the geared motor mounting mechanism (7) includes: A geared motor mounting base (71) is located on the side of the oil tank (1); Two linear guide rails (72) are arranged in parallel on the geared motor mounting base (71); A spring positioning pin (73) is provided on the side of the linear guide (72) near the input shaft (42) and is used to cooperate with the positioning hole provided on the geared motor (41) to position and fix the geared motor (41); A stop (74) is provided at one end of the linear guide (72) away from the input shaft (42) to block and limit the geared motor (41); The geared motor (41) is slidably mounted on two linear guide rails (72), and is adapted to switch between a first position close to the input shaft (42) and a second position far from the input shaft (42). The coupling (43) is a plum blossom coupling, including a first half coupling disposed at the first end of the input shaft (42) and a second half coupling disposed at the output shaft of the geared motor (41). When the geared motor (41) is in the first position, the spring positioning pin (73) is inserted into the positioning hole on the geared motor (41), and the first half coupling and the second half coupling cooperate to transmit the power of the geared motor (41) to the input shaft (42). When the geared motor (41) is in the second position, the first half coupling and the second half coupling disengage, and the power transmission path of the geared motor (41) is disconnected.

8. The strip-shaped fried food shaping and frying machine according to claim 7, characterized in that, The assembly frame (40) is provided with multiple lifting rings (8), which are suitable for lifting the basket circulation assembly and the circulation transmission mechanism (4) as a whole from the oil tank (1) when the geared motor (41) is in the second position, so as to clean the oil tank (1).

9. The strip-shaped fried food shaping and frying machine according to any one of claims 1 to 8, characterized in that, The circulating movement path formed by the basket circulation assembly includes an upper basket from the feeding area to the discharge area of ​​the oil tank (1) and a lower basket from the discharge area to the feeding area of ​​the oil tank (1). An oil drainer (9) is provided between the upper and lower suspended baskets. The oil drainer (9) includes multiple horizontally arranged cavities (91). Two adjacent cavities (91) are connected by a connecting pipe (92). Each cavity (91) is provided with multiple reinforcing ribs (93). An exhaust hole (94) is formed on the cavity (91). The exhaust hole (94) is directly connected to the atmosphere through a pipe to maintain the cavity (91) at normal pressure.

10. The strip-shaped fried food shaping and frying machine according to any one of claims 1 to 8, characterized in that, The heating component (2) includes: A heating tube junction box (21) is located on the side of the oil tank (1); A heating tube (22) is connected to the heating tube junction box (21) and extends toward the bottom of the oil tank (1). The heating area of ​​the heating tube (22) is located at the bottom of the oil tank (1). A protective plate (23) is laid flat above the heating area of ​​the heating tube (22), and the protective plate (23) is provided with multiple convection holes (24).

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