Step-by-step pressing food forming device

Abstract

The utility model discloses a step-by-step pressing food forming device which comprises a machine frame, a pressing mechanism and a pressing mechanism. The forming assembly comprises a lifting driving mechanism, a top plate, a first spring, a guide sleeve structure, a second spring, a forming module and n bottom modules, the top plate is connected to the lifting driving mechanism, the top plate is connected with a push rod and a pressing module, the guide sleeve structure is provided with a limiting groove, a first channel, a second channel and a guide groove which are sequentially communicated, and the forming module penetrates through the second channel; the forming module is provided with a forming die cavity and a receding hole, the pressing module is arranged in the forming die cavity in a penetrating mode, the first spring abuts against the top plate and the guide sleeve structure, the second spring abuts against the guide sleeve structure and the forming module, the guide groove is provided with n inclined sliding grooves, the bottom module is provided with a forming inclined face and a linkage inclined face, and the linkage inclined face is provided with an inclined sliding block. The compression molding device can improve compression shape integrity and edge clearness, and is good in compression molding effect and high in processing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of food processing, and in particular to a step-by-step pressing food forming device. Background Technology

[0002] For foods such as mooncakes and pastries, after the food blanks are obtained by mixing and filling, they need to be shaped. Generally, molding is used to maintain the shape.

[0003] In traditional techniques, food pressing is often done manually using molds, which is labor-intensive and inefficient. In related technologies, to improve processing efficiency, molds driven by lifting mechanisms are used to press food blanks. The lifting mechanism drives the mold to rise and fall to achieve pressing and releasing. However, this device is prone to the problem of food blanks overflowing from the bottom edge of the mold during the pressing process, affecting the appearance and quality of the food products. Utility Model Content

[0004] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a step-by-step pressing food forming device, which can shrink and shape the bottom edge of the food blank, resulting in good pressing and forming effect and high-quality food products.

[0005] A step-by-step food forming apparatus according to an embodiment of the present invention includes:

[0006] The frame is equipped with a conveyor belt;

[0007] The forming assembly, located above the conveyor belt, includes a lifting drive mechanism, a top plate, a first spring, a guide sleeve structure, a second spring, a forming module, and n bottom modules, where n is an integer greater than 1. The top plate is connected to the lifting drive mechanism, and a push rod and a pressure module are sequentially connected to the bottom of the top plate. The guide sleeve structure has a limiting groove, a first channel, a second channel, and a frustum-shaped guide groove that are connected in sequence. The forming module passes through the second channel and has a forming cavity and a clearance hole. The push rod passes through the first channel and the clearance hole. The hole and pressure module are inserted into the forming mold cavity. The two ends of the first spring abut against the top plate and the guide sleeve structure respectively. The two ends of the second spring abut against the guide sleeve structure and the forming module respectively. The guide groove is provided with n inclined sliding grooves. The extension line of each inclined sliding groove intersects the axis of the guide groove. Each bottom module is provided with a forming inclined surface and a linkage inclined surface. Each linkage inclined surface is provided with an inclined slider that is slidably connected to the inclined sliding groove. The top surface of each bottom module abuts against the bottom surface of the forming module. All the forming inclined surfaces are used to splice into a ring and connect the forming mold cavity.

[0008] In this embodiment, both the cross-section of the inclined groove and the cross-section of the inclined slider are dovetail-shaped.

[0009] In this embodiment, the spring constant of the first spring is greater than that of the second spring.

[0010] In this embodiment, the bottom of the molding module is provided with n horizontal sliding grooves, and the top of each bottom module is provided with a horizontal slider. Each horizontal slider is slidably connected to each horizontal sliding groove, and the extension line of each horizontal sliding groove intersects the axis of the guide groove.

[0011] In this embodiment, both the cross-section of the horizontal groove and the cross-section of the horizontal slider are dovetail-shaped.

[0012] In this embodiment, the guide sleeve structure includes a first sleeve and a second sleeve. The limiting groove and the first channel are both provided in the first sleeve, and the second channel and the guide groove are both provided in the second sleeve. The first sleeve is provided with a first connecting structure on the side near the second sleeve, and the second sleeve is provided with a second connecting structure on the side near the first sleeve. The first connecting structure and the second connecting structure are detachably connected.

[0013] In this embodiment, the step-pressing food forming device also includes a rounding component. The rounding component and the forming component are arranged sequentially along the feeding direction of the conveyor belt. The rounding component includes a synchronous drive structure and two sets of rounding belt structures. Both sets of rounding belt structures are located on the conveyor belt and are symmetrical about the feeding direction.

[0014] In this embodiment, the rounding belt structure includes a rounding belt, a drive wheel, and a straightening wheel. The drive wheel and the straightening wheel are rotatably connected to the frame. The rounding belt is wound around the drive wheel and the straightening wheel. The drive wheel is connected to a synchronous drive structure.

[0015] In this embodiment, the synchronous drive structure includes a motor, a synchronous belt, a first synchronous pulley, and a second synchronous pulley. The motor is connected to the frame, the first synchronous pulley is connected to the motor, the first synchronous pulley and the second synchronous pulley are respectively connected to two drive pulleys, and the synchronous belt is wound around the first synchronous pulley and the second synchronous pulley.

[0016] The embodiments of this utility model have at least the following beneficial effects:

[0017] The deflection is achieved through the inclined surfaces between the wire sleeve and the bottom module, and in conjunction with the limiting function of the forming module, pre-shrinking and pressing can be performed before final molding. The bottom modules, which shrink inwards synchronously, are pressed and limited around the bottom perimeter of the food blank by the inner forming inclined surfaces. These inclined surfaces are then joined to form a complete annular cavity, creating the cavity walls for the desired shape. By changing the structure of the bottom area of ​​the final molding chamber to inwardly shrinking inclined surfaces, the overflow of the food blank from the bottom edge during the pressing process can be effectively prevented. This significantly improves the shape integrity and edge clarity of the final pressed food product, enhancing the pressing efficiency. The process yields food products with excellent appearance and quality. The use of inclined slides and sliders effectively improves the reliability of the synchronous inward contraction of each bottom module, significantly reducing interference between mechanical structures and ensuring high operational stability. The first and second springs not only effectively improve the stability of the pressing action and reduce impacts during pressing, but also enable automatic reset through the elastic restoring force of the springs during demolding. This results in high pressing efficiency, high consistency in fully mechanical processing, and excellent demolding release, further enhancing the quality of the produced food products and achieving a high yield rate. Attached Figure Description

[0018] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0019] Figure 1 This is a three-dimensional structural diagram of the step-by-step pressing food forming device according to an embodiment of the present utility model;

[0020] Figure 2 This is a three-dimensional structural diagram of the step-by-step pressing food forming device according to an embodiment of the present utility model, viewed from another perspective.

[0021] Figure 3 This is a top view of the food forming device with step-by-step pressing according to an embodiment of the present invention.

[0022] Figure 4 For along Figure 3 A schematic diagram of the cross-sectional structure of line A-A';

[0023] Figure 5 This is a partially exploded structural diagram of the forming component in the step-by-step pressing food forming device according to an embodiment of the present invention.

[0024] Figure 6 This is a partial exploded view of the forming component in the step-by-step pressing food forming device according to an embodiment of the present invention.

[0025] Figure label:

[0026] Frame 100, conveyor belt 110;

[0027] Molding component 200, lifting drive mechanism 210, top plate 220, push rod 221, pressure module 222, first spring 230, first sleeve 240, limiting groove 241, first channel 242, first connecting structure 243, second sleeve 250, second channel 251, guide groove 252, inclined slide groove 253, second connecting structure 254, second spring 260, molding module 270, molding cavity 271, clearance hole 272, horizontal slide groove 273, bottom module 280, molding inclined surface 281, linkage inclined surface 282, inclined slider 283, horizontal slider 284;

[0028] The components include: a rounding assembly 300, a rounding belt 310, a drive pulley 320, a straightening pulley 330, a motor 340, a timing belt 350, a first timing pulley 360, and a second timing pulley 370. Detailed Implementation

[0029] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0030] In the description of this utility model, it should be understood that the orientation descriptions, such as up, down, left, right, front, and back, are 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.

[0031] In the description of this utility model, if the wire sleeve or bracket is mentioned, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the order of the technical features indicated.

[0032] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0033] In the food processing industry, after the food blanks for mooncakes, pastries and other foods are obtained by mixing and filling, they need to be shaped. Generally, molding is used to maintain the shape.

[0034] In traditional techniques, food pressing is often done manually using molds, which is labor-intensive and inefficient. To improve efficiency, some technologies use molds driven by lifting mechanisms to press food blanks. However, this method is prone to food blanks overflowing from the bottom edge of the mold during pressing, affecting the appearance and quality of the food product. Furthermore, the fixed structure of these molds makes them susceptible to adhesion problems. During demolding, this adhesion can cause deformation and damage to the food product, impacting quality and even leading to defective products and a low yield rate.

[0035] The following is for reference only. Figure 1 To be continued Figure 6 This invention describes a step-by-step food forming device that can shrink and shape the bottom edge of the food blank, resulting in good pressing and forming effect and high-quality food products.

[0036] Reference Figures 1 to 6 A step-by-step food forming apparatus according to an embodiment of the present invention includes:

[0037] The frame 100 is equipped with a conveyor belt 110, which is used to drive the food blanks forward along the conveying direction;

[0038] The forming assembly 200, located above the conveyor belt 110, includes a lifting drive mechanism 210, a top plate 220, a first spring 230, a guide sleeve structure, a second spring 260, a forming module 270, and n bottom modules 280, where n is an integer greater than 1. The lifting drive mechanism 210 is connected to the frame 100, and the top plate 220 is connected to the lifting drive mechanism 210. The lifting drive mechanism 210 drives the top plate 220 to move up and down relative to the conveyor belt 110. The bottom is connected in sequence with a push rod 221 and a pressure module 222. The bottom of the top plate 220 is connected to one end of the push rod 221, and the other end of the push rod 221 is connected to the pressure module 222. That is, the top plate 220 and the pressure module 222 are respectively fixedly connected to the opposite ends of the push rod 221. The guide sleeve structure is provided with a limiting groove 241, a first channel 242, a second channel 251 and a frustum-shaped guide groove 252 connected in sequence. That is, the groove wall of the guide groove 252 is fitted with the circumferential surface of the frustum. The cross-section of the first channel 242 is... The cross-sectional areas of the limiting groove 241 and the second channel 251 are both smaller than the cross-sectional area of ​​the limiting groove 241 and the second channel 251. The forming module 270 passes through the second channel 251. The bottom of the forming module 270 is provided with a forming cavity 271, that is, the side of the forming module 270 close to the conveyor belt 110 is provided with a forming cavity 271. The top of the forming cavity 271 is provided with a clearance hole 272, that is, the side of the forming cavity 271 away from the conveyor belt 110 is provided with a clearance hole 272. The push rod 221 passes through the first channel 242 and the clearance hole 272. The push rod 221 can slide up and down in the first channel 242 and the clearance hole 272. The pressure module 222 is inserted into the molding cavity 271 and can slide up and down in the molding cavity 271. The first spring 230 is provided in the limiting groove 241. The opposite ends of the first spring 230 abut against the top plate 220 and the guide sleeve structure respectively, so that the guide sleeve structure forms a movement tendency away from the top plate 220. That is, the first spring 230 is used to make the guide sleeve structure form a downward movement tendency.

[0039] The second spring 260 is disposed in the second channel 251. The opposite ends of the second spring 260 abut against the guide sleeve structure and the molding module 270 respectively, so that the molding module 270 forms a movement tendency away from the guide sleeve structure. That is, the second spring 260 is used to make the molding module 270 form a downward movement tendency. Let the center of the frustum of the guide groove 252 be the center of the molding component 200. The annular groove wall of the guide groove 252 is inclined away from the center from top to bottom. The annular groove wall of the guide groove 252 is provided with n inclined sliding grooves 253 extending radially along the guide groove 252. The extension line of each inclined sliding groove 253 intersects the center of the frustum of the guide groove 252. The inclined sliding grooves 253 are evenly distributed. Each bottom module 280 has a molding inclined surface 281 and a linkage on its inner and outer opposite sides respectively. The inclined surface 282, each of which has a shape that matches the shape of the corresponding area of ​​the annular groove wall of the guide groove 252, abuts against the annular groove wall of the guide groove 252, and each of which has a sliding block 283 that is slidably connected to each corresponding inclined groove 253. The top surface of each bottom module 280 abuts against the bottom surface of the forming module 270. All the bottom modules 280 can be spliced ​​into a complete annular structure. The forming inclined surface 281 is inclined from top to bottom towards the center to avoid the food blank from overflowing and affecting the shape. All the forming inclined surfaces 281 are used to splice the channel wall that surrounds the annular shape and connect to the forming mold cavity 271, and together with the upper surface of the conveyor belt 110 and the bottom surface of the pressure module 222, form a complete forming chamber.

[0040] The working process is as follows: Conveyor belt 110 conveys the food blank to the area directly below the guide sleeve structure. Lifting drive mechanism 210 drives top plate 220, push rod 221, and pressing module 222 to descend synchronously. The guide sleeve structure, bottom module 280, and forming module 270 are also indirectly driven to descend, with bottom module 280 contacting the surface of conveyor belt 110. Lifting drive mechanism 210 continuously drives the descent, and the guide sleeve structure continuously descends. Under the action of the annular groove walls of each linkage inclined surface 282 and guide groove 252, each bottom module 280 moves radially towards the center along the guide groove 252, so that the side walls between adjacent bottom modules 280 abut against each other, thus forming a complete ring. All forming inclined surfaces 281 contract radially towards the center, ultimately pushing the bottom of the food blank towards the center to shape it. This action is the first pressing step and provides a reliable shaping cavity wall structure for subsequent pressing, preventing the food blank from overflowing. The driving mechanism 210 continues to drive the top plate 220, push rod 221 and pressing module 222 to descend synchronously. The pressing module 222 presses the food blank in the forming cavity 271. This action is the second pressing step. The first spring 230 and the second spring 260 are both compressed, which can effectively buffer the force during the pressing process, thereby improving the stability of the pressing action. After the pressing is completed, the lifting drive mechanism 210 drives the top plate 220, push rod 221 and pressing module 222 to rise synchronously. The first spring 230 causes the guide sleeve structure to return to its original position relative to the top plate 220. The elastic restoring force of the second spring 260 drives the forming module 270 to descend relative to the guide sleeve structure. Under the action of the annular groove wall of each linkage inclined surface 282 and guide groove 252, each bottom module 280 moves radially outward along the guide groove 252. Each bottom module 280 separates from each other to release the pressed food product and make way for the next pressing process.

[0041] The deflection is achieved through the inclined surface between the wire sleeve and the bottom module 280, and with the limiting effect of the forming module 270, pre-shrinking pressing can be performed before final forming. The bottom modules 280, which shrink inwards synchronously, push and limit the bottom edges of the food blank through the inner forming inclined surface 281. The various forming inclined surfaces 281 are spliced ​​together to form a complete annular cavity to create the cavity wall for the shape. By changing the structure of the bottom area of ​​the final forming chamber to an inwardly shrinking inclined surface, the overflow of the food blank from the bottom edge during the pressing process can be effectively prevented. This effectively improves the shape integrity and edge clarity of the final pressed food product, resulting in a good pressing and forming effect. The food products have a good appearance and quality. The inclined slide 253, in conjunction with the inclined slider 283, can effectively improve the reliability of the action when each bottom module 280 retracts inward synchronously, significantly reduce interference between mechanical structures, and achieve high operational stability. The first spring 230 and the second spring 260 can not only effectively improve the stability of the pressing action and reduce the impact generated during the pressing process, but also achieve the effect of automatic reset through the elastic restoring force of the springs during demolding. The pressing and processing efficiency is high, the fully mechanical processing consistency is high, and it can also effectively save labor costs. The demolding release effect is good, which can further improve the quality of the produced food products and achieve a high yield rate of pressing and processing.

[0042] It is understandable that the cross-sections of both the inclined groove 253 and the inclined slider 283 are dovetail-shaped; that is, the inclined groove 253 is a dovetail groove, and the inclined slider 283 is a dovetail-shaped slider that matches the inclined groove 253. In addition, the cross-sections of both the inclined groove 253 and the inclined slider 283 can also be set to T-shapes or other shapes that can achieve multi-dimensional limiting effects, effectively improving the stability of the relative position between the bottom module 280 and the wire sleeve.

[0043] It is understandable that the spring constant of the first spring 230 is greater than that of the second spring 260. The spring constant is also called the elastic coefficient, which describes the magnitude of the elastic force generated per unit deformation. A larger spring constant indicates that a larger force is required per unit length of deformation.

[0044] By setting the stiffness coefficient of the first spring 230 to be greater than that of the second spring 260, when the lifting drive mechanism 210 drives the top plate 220, push rod 221 and pressure module 222 to descend, the compression amplitude of the second spring 260 is greater than that of the first spring 230, so that the guide sleeve structure moves downward relative to the forming module 270. Under the action of the annular groove wall of each linkage inclined surface 282 and guide groove 252, each bottom module 280 moves radially toward the center along the guide groove 252, so that the side walls between each adjacent bottom module 280 abut against each other, thereby forming a complete ring. All forming inclined surfaces 281 contract radially toward the center. When the lifting drive mechanism 210 continues to drive the descent, the first spring 230 and the second spring 260 are further compressed. The guide sleeve structure and the forming module 270 are stationary relative to the conveyor belt 110. The pressure module 222 descends to press and shape the food blank in the forming mold cavity 271.

[0045] It is understood that the bottom of the molding module 270 is provided with n horizontal slide grooves 273, and the top of each bottom module 280 is provided with a horizontal slider 284. Each horizontal slider 284 is slidably connected to each corresponding horizontal slide groove 273. The extension line of each horizontal slide groove 273 intersects the axis of the frustum of the guide groove 252. The horizontal slide grooves 273 are evenly distributed and their positions correspond to each inclined slide groove 253.

[0046] By using the horizontal slide 273 in conjunction with the horizontal slider 284, the reliability of the trajectory of the bottom module 280 moving radially toward the center along the guide groove 252 can be further improved, which can effectively improve the reliability of the first pressing action and improve the stability of the overall structure.

[0047] It is understandable that the cross-sections of both the horizontal slide groove 273 and the horizontal slider 284 are dovetail-shaped; that is, the horizontal slide groove 273 is a dovetail groove, and the horizontal slider 284 is a dovetail-shaped slider that matches the horizontal slide groove 273. In addition, the cross-sections of both the horizontal slide groove 273 and the horizontal slider 284 can also be set to T-shapes or other shapes that can achieve multi-dimensional positioning effects, effectively improving the stability of the relative position between the bottom module 280 and the forming module 270.

[0048] It is understood that the guide sleeve structure includes a first sleeve 240 and a second sleeve 250. The limiting groove 241 and the first channel 242 are both provided in the first sleeve 240, and the second channel 251 and the guide groove 252 are both provided in the second sleeve 250. The first sleeve 240 is provided with a first connecting structure 243 on the side near the second sleeve 250, and the second sleeve 250 is provided with a second connecting structure 254 on the side near the first sleeve 240. The first connecting structure 243 and the second connecting structure 254 are detachably connected. Specifically, the first connecting structure 243 is an annular protrusion with external threads, and the second connecting structure 254 is an annular groove with internal threads. The first sleeve 240 and the second sleeve 250 can be disassembled and assembled through the threaded connection, which facilitates the assembly of the molding component 200, has high assembly efficiency, and is convenient for maintenance and operation.

[0049] It is understood that the step-by-step pressing food forming device also includes a rounding component 300. The rounding component 300 and the forming component 200 are arranged sequentially along the conveyor belt 110 in the material feeding direction. The rounding component 300 includes a synchronous drive structure and two sets of rounding belt structures. Both sets of rounding belt structures are located on the conveyor belt 110 and are symmetrical about the material feeding direction. The two sets of rounding belt pulleys 310 are used to round and shrink the food blank to ensure that the horizontal projection of the food blank conveyed to the forming component 200 is in the horizontal projection of the forming mold cavity 271.

[0050] It is understood that the rounding belt structure includes a rounding belt 310, a drive wheel 320, and at least one straightening wheel 330. The drive wheel 320 and the straightening wheel 330 are rotatably connected to the frame 100. The rounding belt 310 is wrapped around the drive wheel 320 and the straightening wheel 330. The rounding belt 310 is perpendicular to the conveyor belt 110. The drive wheel 320 is connected to a synchronous drive structure. The synchronous drive structure is used to drive the drive wheel 320 to rotate, thereby driving the rounding belt 310 to drive the transmission, thereby rounding the side of the food blank.

[0051] It is understood that the synchronous drive structure includes a motor 340, a synchronous belt 350, a first synchronous pulley 360 and a second synchronous pulley 370. The housing of the motor 340 is connected to the frame 100. The first synchronous pulley 360 is connected to the motor 340. The first synchronous pulley 360 and the second synchronous pulley 370 are coaxially connected to two drive pulleys 320 respectively. The synchronous belt 350 is wound around the first synchronous pulley 360 and the second synchronous pulley 370.

[0052] The synchronous belt 350 drives the first synchronous pulley 360 and the second synchronous pulley 370 to rotate synchronously. Since the two drive pulleys 320 are symmetrical about the material conveying direction, the two rounding belts 310 convey in opposite directions. The two rounding belts 310 simultaneously round the food blank from opposite sides, which can effectively balance the rounding force on both sides of the food blank, thereby effectively improving the rounding and shaping effect of the food blank. This provides a good processing foundation for subsequent pressing processing, resulting in good pressing and forming effect.

[0053] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A step-by-step food forming apparatus, characterized in that, include: The frame (100) is equipped with a conveyor belt (110); A forming assembly (200) is located above the conveyor belt (110). The forming assembly (200) includes a lifting drive mechanism (210), a top plate (220), a first spring (230), a guide sleeve structure, a second spring (260), a forming module (270), and n bottom modules (280), where n is an integer greater than 1. The top plate (220) is connected to the lifting drive mechanism (210), and the bottom of the top plate (220) is sequentially connected to... The push rod (221) and the pressing module (222) are provided. The guide sleeve structure is provided with a limiting groove (241), a first channel (242), a second channel (251), and a frustum-shaped guide groove (252) connected in sequence. The forming module (270) passes through the second channel (251). The forming module (270) is provided with a forming cavity (271) and a relief hole (272). The push rod (221) passes through the first channel (242) and the pressure module (222). The relief hole (272) is described above. The pressure module (222) passes through the molding cavity (271). The two ends of the first spring (230) abut against the top plate (220) and the guide sleeve structure, respectively. The two ends of the second spring (260) abut against the guide sleeve structure and the molding module (270), respectively. The guide groove (252) is provided with n inclined sliding grooves (253). The extension line of each inclined sliding groove (253) is perpendicular to the guide sleeve structure. The axes of the grooves (252) intersect. Each bottom module (280) is provided with a forming inclined surface (281) and a linkage inclined surface (282). Each linkage inclined surface (282) is provided with a sliding block (283) that is slidably connected to the inclined groove (253). The top surface of each bottom module (280) abuts against the bottom surface of the forming module (270). All the forming inclined surfaces (281) are used to splice into a ring and connect the forming cavity (271).

2. The food forming apparatus for step-by-step pressing according to claim 1, characterized in that, The cross-sections of the inclined groove (253) and the inclined slider (283) are both dovetail-shaped.

3. The food forming apparatus for step-by-step pressing according to claim 1, characterized in that, The spring constant of the first spring (230) is greater than that of the second spring (260).

4. The food forming apparatus for step-by-step pressing according to claim 1, characterized in that, The bottom of the forming module (270) is provided with n horizontal slide grooves (273), and the top of each bottom module (280) is provided with a horizontal slider (284). Each horizontal slider (284) is slidably connected to each of the horizontal slide grooves (273), and the extension line of each horizontal slide groove (273) intersects the axis of the guide groove (252).

5. The step-by-step pressing food forming device according to claim 4, characterized in that, The cross-sections of the horizontal groove (273) and the horizontal slider (284) are both dovetail-shaped.

6. The food forming apparatus for step-by-step pressing according to claim 1, characterized in that, The guide sleeve structure includes a first sleeve (240) and a second sleeve (250). The limiting groove (241) and the first channel (242) are both provided in the first sleeve (240), and the second channel (251) and the guide groove (252) are both provided in the second sleeve (250). The first sleeve (240) is provided with a first connecting structure (243) on the side near the second sleeve (250), and the second sleeve (250) is provided with a second connecting structure (254) on the side near the first sleeve (240). The first connecting structure (243) and the second connecting structure (254) are detachably connected.

7. The food forming apparatus for step-by-step pressing according to claim 1, characterized in that, It also includes a rounding component (300), the rounding component (300) and the forming component (200) are arranged sequentially along the feeding direction of the conveyor belt (110), the rounding component (300) includes a synchronous drive structure and two sets of rounding belt structures, both sets of rounding belt structures are arranged on the conveyor belt (110), and the two sets of rounding belt structures are symmetrical about the feeding direction.

8. The food forming apparatus for step-by-step pressing according to claim 7, characterized in that, The rounding belt structure includes a rounding belt (310), a drive wheel (320), and a straightening wheel (330). The drive wheel (320) and the straightening wheel (330) are rotatably connected to the frame (100). The rounding belt (310) is wound around the drive wheel (320) and the straightening wheel (330). The drive wheel (320) is connected to the synchronous drive structure.

9. A step-by-step pressing food forming apparatus according to claim 8, characterized in that, The synchronous drive structure includes a motor (340), a synchronous belt (350), a first synchronous pulley (360), and a second synchronous pulley (370). The motor (340) is connected to the frame (100), the first synchronous pulley (360) is connected to the motor (340), the first synchronous pulley (360) and the second synchronous pulley (370) are respectively connected to two driving pulleys (320), and the synchronous belt (350) is wound around the first synchronous pulley (360) and the second synchronous pulley (370).

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