Dough pre-fermenting and shaping all-in-one machine

Abstract

The invention discloses a dough pre-fermenting and shaping all-in-one machine, and belongs to the technical field of dough processing equipment.The dough pre-fermenting and shaping all-in-one machine comprises a fermenting machine and a shaping machine, a first conveying belt is arranged at the discharging end of the fermenting machine, and the shaping machine comprises a mounting frame and a fixing frame which are sequentially arranged; a first conveying belt is installed on the mounting frame, a second conveying belt located below the first conveying belt is installed on the mounting frame, two vertically-arranged extrusion barrels are arranged above the second conveying belt, a horizontally-arranged rotating barrel is arranged above the second conveying belt, and two first guide rollers and two second guide rollers are rotationally installed on the fixing frame. Two guide plates are arranged between the first guide roller and the second guide roller, a third conveying belt is installed on the fixing frame, and an embossing plate is arranged above the third conveying belt. The dough pre-fermenting and shaping device can quickly finish the pre-fermenting and shaping process of the dough, obviously improve the production efficiency and reduce the manual operation time.

Description

Technical Field

[0001] The present application relates to the technical field of dough processing equipment, and in particular to a dough pre-proofing and shaping integrated machine. Background Art

[0002] In the dough processing process, the dough needs to go through multiple steps such as kneading, proofing, and shaping, which usually require manual operation or step-by-step. The purpose of proofing is to allow the protein in the dough to fully absorb water, enhance the ductility and elasticity of the dough, and thus improve the quality and taste of the pastry; shaping is to shape the mixed dough into the desired shape. After shaping, the appearance, taste and taste stability of the bread can be improved, ensuring the quality and taste consistency of the product.

[0003] With the rapid development of the food industry, especially the increasing demand for the production of bread and other fermented foods, traditional manual operation or semi-automatic equipment can no longer meet the needs of modern large-scale production in terms of production efficiency, product quality consistency and sanitary conditions. Manual operation is easily affected by factors such as the environment, operator proficiency, and operation time, resulting in unstable dough processing quality and affecting dough processing efficiency. Summary of the invention

[0004] In order to improve the problem of low efficiency in traditional dough processing, the present application provides a dough pre-proofing and shaping machine.

[0005] The present application provides a dough pre-proofing and shaping integrated machine adopts the following technical solution: A dough pre-proofing and shaping machine comprises a proofing machine and a shaping machine, wherein a conveyor belt 1 is arranged at the discharge end of the proofing machine, and the shaping machine comprises a mounting frame and a fixed frame which are arranged in sequence, a conveyor belt 2 located below the conveyor belt 1 is mounted on the mounting frame, two vertically arranged extrusion cylinders are arranged above the conveyor belt 2, a horizontally arranged rotating cylinder is arranged above the conveyor belt 2, two guide rollers 1 and two guide rollers 2 are rotatably mounted on the fixed frame, two guide plates are arranged between the guide rollers 1 and the guide rollers 2, a conveyor belt 3 is mounted on the fixed frame, and an embossing plate is arranged above the conveyor belt 3.

[0006] By adopting the above technical scheme, after the dough is pre-proofed in the proofing machine, it is transported by conveyor belt one, the dough on conveyor belt one falls on conveyor belt two, passes between two vertically arranged extrusion cylinders, and then passes under the rotating cylinder. The extrusion cylinder and the rotating cylinder perform a shaping on the dough, and the dough continues to move between the two guide rollers one on the fixed frame, and then passes through the guide plate and enters between the two guide rollers two to achieve secondary shaping. The dough continues to move onto conveyor belt three, and the embossing plate embosses the dough, thereby quickly completing the pre-proofing and shaping process of the dough, significantly improving production efficiency, and reducing manual operation time.

[0007] Preferably, adjusting blocks are respectively installed at both ends of the rotating cylinder, and a vertically arranged screw is fixed on the top surface of the adjusting block. The mounting frame includes a support plate, and two support blocks are fixed on the side of the support plate. An adjusting sleeve is fixed on the top surface of the support block, and the screw is passed through the adjusting sleeve. A guide rod is fixed on the bottom surface of the support block, and a guide hole for passing the guide rod is opened on the top surface of the adjusting block. An adjusting plate is sleeved on the outer periphery of the screw, and the adjusting plate is matched with the screw thread transmission, and the bottom surface of the adjusting plate abuts against the top surface of the adjusting sleeve.

[0008] By adopting the above technical solution, the adjusting plate is rotated, and the adjusting plate drives the screw to move vertically, thereby driving the adjusting block to move vertically, thereby adjusting the distance between the rotating cylinder and the second transmission belt.

[0009] Preferably, the mounting frame includes a mounting plate, on which a bidirectional screw rod and a guide rod are rotatably mounted, a movable plate is sleeved on the outer periphery of the bidirectional screw rod, the guide rod passes through the movable plate, the movable plate is threadedly matched with the bidirectional screw rod, and the extrusion cylinder is mounted on the movable plate.

[0010] By adopting the above technical solution, the bidirectional screw is rotated, and the bidirectional screw can drive the two movable plates to move toward each other, thereby adjusting the distance between the two extrusion cylinders.

[0011] Preferably, the fixing frame includes a fixing plate, one end of the embossed plate is rotatably connected to the fixing plate, the top surface of the fixing plate is hinged with a cylinder 1, the piston rod end of the cylinder 1 is hinged to the embossed plate, two limit plates are arranged on the top surface of the fixing plate, and two fixing rods are arranged on the fixing frame, connecting blocks are respectively fixed at both ends of the limit plates, the connecting blocks are sleeved on the outer periphery of the fixing rod, and the connecting blocks can move along the length direction of the fixing rod.

[0012] By adopting the above technical solution, the mobile connecting block can adjust the positions of the two limit plates so that the dough can be moved between the two limit plates. Starting cylinder 1 can make the embossing plate rotate downward and emboss the dough.

[0013] Preferably, two mounting plates are fixed on the mounting frame, and two bidirectional screw rods and two guide rods are rotatably mounted between the two mounting plates. Two blocking plates are arranged above the conveyor belt two, and the blocking plates are sleeved on the outer peripheries of the bidirectional screw rods and the guide rods, and the blocking plates are threadedly matched with the bidirectional screw rods. The two blocking plates are respectively baffle plate one and baffle plate two. The baffle plate one is located below the conveyor belt one, and the top of the baffle plate two is higher than the conveyor belt one, and the baffle plate two is located on the side of the conveyor belt one away from the proofing machine.

[0014] By adopting the above technical solution, the dough on the conveyor belt 1 falls downward between the baffle 1 and the baffle 2 and falls above the conveyor belt 2. By rotating the bidirectional screw rod 2, the distance between the baffle 1 and the baffle 2 can be adjusted.

[0015] Preferably, a motor is installed on the movable plate, a rotating rod is fixed at the output end of the motor, a mounting cylinder is fixed to the bottom surface of the rotating rod, a synchronization block is vertically slidably installed in the mounting cylinder, sliders are respectively fixed on both sides of the synchronization block, a sliding groove is provided on the inner circumferential surface of the mounting cylinder, the slider slides vertically with the mounting cylinder through the sliding groove, a spring 1 is fixed to the top surface of the slider, the top end of the spring 1 is fixedly connected to the inner top surface of the sliding groove, and the synchronization block can be clamped and fixed with the extrusion cylinder.

[0016] By adopting the above technical solution, after the extrusion cylinder is clamped and fixed with the synchronization block, the extrusion cylinder can be displaced vertically to a certain extent under the elastic force of the spring 1, thereby enabling the extrusion cylinder to be displaced vertically to a certain extent.

[0017] Preferably, the top surface of the extrusion cylinder is provided with a slot for inserting the synchronization block, the bottom end of the synchronization block is provided with a pointed end, the outer circumferential surface of the synchronization block is provided with two symmetrically arranged snap-in grooves, the synchronization block is installed with a snap-in block along its own radial sliding through the snap-in grooves, and the inner circumferential surface of the slot is provided with an insertion groove for inserting the snap-in block.

[0018] By adopting the above technical solution, the extrusion cylinder is located below the synchronization block, and then the synchronization block is moved downward and inserted into the slot, and the clamping block is inserted into the plug-in slot, thereby realizing the clamping fixation of the extrusion cylinder and the synchronization block.

[0019] Preferably, a pressure block is fixed to the bottom surface of the clamping block, a pressure groove is provided on the inner wall of the clamping groove, the pressure block slides with the synchronization block along the radial direction of the synchronization block through the pressure groove, a pressure spring is fixed to the side of the pressure block away from the extrusion cylinder, one end of the pressure spring away from the pressure block is fixedly connected to the inner wall of the pressure groove, the side of the clamping block close to the extrusion cylinder is provided with an inclined surface 1, the inclined surface 1 is located on the bottom surface of the clamping block, and an electromagnet is fixed to the inner top surface of the mounting cylinder, and the electromagnet can attract the synchronization block when energized.

[0020] By adopting the above technical solution, after the extrusion cylinder is placed under the synchronization block, the electromagnet is powered off, the synchronization block moves downward and is inserted into the slot, the clamping block enters the clamping slot under the action of the inclined surface 1, the pressure spring is in a compressed state, and after the clamping slot is aligned with the plug-in slot, the clamping block is inserted into the plug-in slot under the elastic force of the pressure spring.

[0021] Preferably, a movable groove is provided on the top surface of the synchronization block, and a movable block is installed on the synchronization block through the movable groove for vertical sliding. A pull rope is fixed to the side of the clamping block away from the extrusion cylinder, and one end of the pull rope away from the clamping block is fixedly connected to the bottom surface of the movable block, and the electromagnet can attract the movable block after being energized.

[0022] By adopting the above technical solution, when the extrusion cylinder needs to be disassembled, the electromagnet is energized to attract the moving block, which drives the pull rope to move upward and drives the clamping block to move away from the extrusion cylinder, so that the clamping block is separated from the plug-in slot.

[0023] Preferably, a reset block is fixed on the outer circumferential surface of the moving block, a reset groove is opened on the inner circumferential surface of the moving groove, the reset block is slidably matched with the synchronization block vertically through the reset groove, a reset spring is fixed on the top surface of the reset block, and the top end of the reset spring is fixedly connected to the inner top surface of the reset groove.

[0024] By adopting the above technical solution, the moving block can move upwards under the suction of the electromagnet, and after the electromagnet is powered off, the moving block moves downwards and resets under the elastic force of the reset spring.

[0025] In summary, the present application includes at least one of the following beneficial technical effects: 1. After the dough is pre-fermented in the proofing machine, it is transported by conveyor belt 1. The dough on conveyor belt 1 falls onto conveyor belt 2, passes between two vertically arranged extrusion cylinders, and then passes under the rotating cylinder. The extrusion cylinder and the rotating cylinder perform a first shaping on the dough. The dough continues to move between the two guide rollers 1 on the fixed frame, and then passes through the guide plate and enters between the two guide rollers 2 to achieve a second shaping. The dough continues to move onto conveyor belt 3, and the embossing plate embosses the dough, thereby quickly completing the pre-fermentation and shaping process of the dough, significantly improving production efficiency and reducing manual operation time. 2. The moving connecting block can adjust the position of the two limit plates so that the dough can be moved between the two limit plates. Starting the cylinder 1 can make the embossing plate rotate downward and emboss the dough; 3. After the extrusion cylinder is clamped and fixed with the synchronization block, the extrusion cylinder can be displaced vertically to a certain extent under the elastic force of spring 1, thereby enabling the extrusion cylinder to be displaced vertically to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the dough pre-proofing and shaping integrated machine according to an embodiment of the present application.

[0027] Figure 2 It is a structural schematic diagram of a mounting frame in a dough pre-proofing and shaping machine according to an embodiment of the present application.

[0028] Figure 3 It is a cross-sectional view of the installation barrel in the dough pre-proofing and shaping machine according to an embodiment of the present application.

[0029] Figure 4 It is a cross-sectional view of a synchronization block in the dough pre-proofing and shaping machine according to an embodiment of the present application.

[0030] Figure 5 yes Figure 2 A magnified schematic diagram of center A.

[0031] Figure numerals: 1, wake-up machine; 11, conveyor belt 1; 2, shaping machine; 21, mounting frame; 22, conveyor belt 2; 23, mounting plate; 24, two-way screw rod 2; 25, guide rod 2; 26, blocking plate; 261, baffle 1; 262, baffle 2; 3, moving plate; 31, two-way screw rod 1; 32, guide rod 1; 33, extrusion cylinder; 34, slot; 35, plug-in slot; 36, positioning plate; 4, rotating cylinder; 41, adjusting block; 411, guide hole; 42, screw rod; 43, adjusting plate; 5, supporting plate; 51, supporting block; 52, adjusting sleeve; 53, guide rod; 6, fixing frame; 61, guide Guide roller one; 62, guide roller two; 63, guide plate; 64, conveyor belt three; 65, embossing plate; 66, fixed plate; 67, cylinder one; 7, limit plate; 71, fixed rod; 72, connecting block; 8, rotating rod; 81, motor; 82, mounting cylinder; 83, synchronous block; 84, slider; 85, slide groove; 86, spring one; 87, clamping block; 871, pressure block; 872, pressure groove; 873, pressure spring; 874, inclined plane one; 88, clamping groove; 89, electromagnet; 9, moving block; 91, moving groove; 92, reset block; 93, reset groove; 94, reset spring; 95, pull rope. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-5 This application is described in further detail.

[0033] The present application embodiment discloses a dough pre-proofing and shaping machine. Figure 1 and Figure 2 The dough pre-proofing and shaping machine comprises a proofing machine 1 and a shaping machine 2, and a conveyor belt 11 is arranged at the discharge end of the proofing machine 1. The shaping machine 2 comprises a mounting frame 21 and a fixing frame 6 which are arranged in sequence, and a conveyor belt 22 located below the conveyor belt 11 is installed on the mounting frame 21. Two mounting plates 23 are fixed on the mounting frame 21, and a bidirectional screw rod 24 and a guide rod 25 are rotatably installed between the two mounting plates 23. Two blocking plates 26 are arranged above the conveyor belt 22, and the blocking plates 26 are sleeved on the outer periphery of the bidirectional screw rod 24 and the guide rod 25, and the blocking plates 26 are threadedly matched with the bidirectional screw rod 24. By rotating the bidirectional screw rod 24, the spacing between the two blocking plates 26 can be adjusted. The two baffles 26 are baffle 1 261 and baffle 2 262, respectively. Baffle 1 261 is located below conveyor belt 11, the top of baffle 262 is higher than conveyor belt 11, and baffle 2 262 is located on the side of conveyor belt 11 away from proofing machine 1. After the dough is pre-proofed in proofing machine 1, it is transported by conveyor belt 11, and the dough on conveyor belt 11 falls between baffle 1 261 and baffle 2 262 and falls on conveyor belt 2 22.

[0034] Reference Figure 1 and Figure 2 The mounting frame 21 includes a positioning plate 36, on which a bidirectional screw rod 31 and a guide rod 32 are rotatably mounted. A movable plate 3 is sleeved on the outer periphery of the bidirectional screw rod 31, and the guide rod 32 passes through the movable plate 3. The movable plate 3 and the bidirectional screw rod 31 are threadedly matched. An extrusion cylinder 33 is installed below the movable plate 3, and the bottom of the extrusion cylinder 33 is in contact with the conveyor belt 22. The dough moves on the conveyor belt 22 and passes between the two extrusion cylinders 33, and the two extrusion cylinders 33 shape the dough.

[0035] Reference Figure 2 and Figure 3 , a motor 81 is mounted on the moving plate 3, and a rotating rod 8 is fixed to the output end of the motor 81. A mounting cylinder 82 is fixed to the bottom surface of the rotating rod 8, and a synchronous block 83 is mounted in the mounting cylinder 82 for vertical sliding. Slide blocks 84 are fixed to both sides of the synchronous block 83, and a slide groove 85 is provided on the inner circumference of the mounting cylinder 82. The slide block 84 slides and cooperates with the mounting cylinder 82 in the vertical direction through the slide groove 85. A spring 86 is fixed to the top surface of the slide block 84, and the top of the spring 86 is fixedly connected to the inner top surface of the slide groove 85. A slot 34 for inserting the synchronous block 83 is provided on the top surface of the extrusion cylinder 33, and two symmetrically arranged clamping grooves 88 are provided on the outer circumference of the synchronous block 83. The synchronous block 83 is mounted with a clamping block 87 for sliding along its own radial direction through the clamping groove 88, and a plugging groove 35 for inserting the clamping block 87 is provided on the inner circumference of the slot 34. An electromagnet 89 is fixed to the inner top surface of the mounting cylinder 82 , and the electromagnet 89 can attract the synchronization block 83 when energized.

[0036] After the extrusion cylinder 33 is placed under the synchronization block 83, the electromagnet 89 is powered off, the synchronization block 83 moves downward and is inserted into the slot 34, and the clamping block 87 enters the clamping slot 88 under the action of the inclined surface 874, and the pressure spring 873 is in a compressed state. After the clamping slot 88 is aligned with the plug-in slot 35, the clamping block 87 is inserted into the plug-in slot 35 under the elastic force of the pressure spring 873.

[0037] Reference Figure 3 and Figure 4A pressing block 871 is fixed to the bottom surface of the clamping block 87, and a pressing groove 872 is provided on the inner wall of the clamping groove 88. The pressing block 871 slides and cooperates with the synchronous block 83 along the radial direction of the synchronous block 83 through the pressing groove 872. A pressing spring 873 is fixed to the side of the pressing block 871 away from the extrusion cylinder 33, and one end of the pressing spring 873 away from the pressing block 871 is fixedly connected to the inner wall of the pressing groove 872. An inclined surface 874 is provided on the side of the clamping block 87 close to the extrusion cylinder 33, and the inclined surface 874 is located on the bottom surface of the clamping block 87. A moving groove 91 is provided on the top surface of the synchronous block 83, and the synchronous block 83 is vertically slidably installed with a moving block 9 through the moving groove 91. A reset block 92 is fixed to the outer circumference of the moving block 9, and a reset groove 93 is provided on the inner circumference of the moving groove 91. The reset block 92 slides and cooperates with the synchronous block 83 vertically through the reset groove 93. A return spring 94 is fixed to the top surface of the return block 92, and the top of the return spring 94 is fixedly connected to the inner top surface of the return groove 93. A pull rope 95 is fixed to the side of the clamping block 87 away from the extrusion cylinder 33, and one end of the pull rope 95 away from the clamping block 87 is fixedly connected to the bottom surface of the moving block 9. The electromagnet 89 can attract the moving block 9 after being energized.

[0038] When the extrusion cylinder 33 needs to be disassembled, the electromagnet 89 is energized. The electromagnet 89 attracts the moving block 9, and the moving block 9 drives the pull rope 95 to move upward, and drives the clamping block 87 to move in a direction away from the extrusion cylinder 33, so that the clamping block 87 is separated from the insertion slot 35.

[0039] Reference Figure 2 and Figure 5 A horizontally arranged rotating cylinder 4 is arranged above the conveyor belt 22. After the dough passes between the two extrusion cylinders 33, it moves to the bottom of the rotating cylinder 4, and the rotating cylinder 4 shapes the dough. The mounting frame 21 includes a support plate 5, and two support blocks 51 are fixed on the side of the support plate 5. An adjusting sleeve 52 is fixed to the top surface of the support block 51, and adjusting blocks 41 are respectively installed at both ends of the rotating cylinder 4. A vertically arranged screw rod 42 is fixed to the top surface of the adjusting block 41, and the screw rod 42 is inserted into the adjusting sleeve 52. A guide rod 53 is fixed to the bottom surface of the support block 51, and a guide hole 411 for inserting the guide rod 53 is opened on the top surface of the adjusting block 41. An adjusting plate 43 is sleeved on the outer periphery of the screw rod 42, and the adjusting plate 43 is threadedly matched with the screw rod 42, and the bottom surface of the adjusting plate 43 abuts against the top surface of the adjusting sleeve 52.

[0040] The adjusting plate 43 is rotated, and the adjusting plate 43 drives the screw rod 42 to move vertically, and then drives the adjusting block 41 to move vertically, so as to adjust the distance between the rotating drum 4 and the second transmission belt.

[0041] Reference Figure 1 and Figure 2Two guide rollers 1 61 and two guide rollers 2 62 are rotatably mounted on the fixed frame 6, and two guide plates 63 are arranged between the guide rollers 1 61 and the guide rollers 2 62. The extrusion cylinder 33 and the rotating cylinder 4 perform a primary shaping on the dough, and the dough continues to move between the two guide rollers 1 61 on the fixed frame 6, and then passes through the guide plates 63 and enters between the two guide rollers 2 62 to achieve a secondary shaping.

[0042] Reference Figure 1 and Figure 2 , a conveyor belt three 64 is installed on the fixed frame 6, and an embossing plate 65 is arranged above the conveyor belt three 64. The fixed frame 6 includes a fixed plate 66, one end of the embossing plate 65 is rotatably connected to the fixed plate 66, and a cylinder one 67 is hinged on the top surface of the fixed plate 66, and the piston rod end of the cylinder one 67 is hinged to the embossing plate 65. The dough continues to move onto the conveyor belt three 64, and the embossing plate 65 embosses the dough. Two limit plates 7 are arranged on the top surface of the fixed plate 66, and two fixed rods 71 ​​are arranged on the fixed frame 6. Connecting blocks 72 are respectively fixed at both ends of the limit plates 7, and the connecting blocks 72 are sleeved on the outer periphery of the fixed rods 71, and the connecting blocks 72 can move along the length direction of the fixed rods 71. The movable connecting block 72 can adjust the position of the two limit plates 7, so that the dough can move between the two limit plates 7.

[0043] The implementation principle of the dough pre-proofing and shaping integrated machine in the embodiment of the present application is as follows: after the dough is pre-proofed in the proofing machine 1, it is transported by the conveyor belt 11, the dough on the conveyor belt 11 falls onto the conveyor belt 22, passes between two vertically arranged extrusion cylinders 33, and then passes under the rotating cylinder 4. The extrusion cylinder 33 and the rotating cylinder 4 shape the dough once, and the dough continues to move between the two guide rollers 1 61 on the fixed frame 6, and then passes through the guide plate 63 and enters between the two guide rollers 2 62 to achieve secondary shaping, and the dough continues to move onto the conveyor belt 3 64, and the embossing plate 65 embosses the dough, thereby quickly completing the pre-proofing and shaping process of the dough, significantly improving production efficiency, and reducing manual operation time.

[0044] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A dough pre-proofing and shaping machine, characterized by: The invention comprises a proofing machine (1) and a shaping machine (2), wherein a conveyor belt 1 (11) is arranged at the discharge end of the proofing machine (1), and the shaping machine (2) comprises a mounting frame (21) and a fixed frame (6) which are arranged in sequence, wherein a conveyor belt 2 (22) located below the conveyor belt 1 (11) is mounted on the mounting frame (21), two vertically arranged extrusion cylinders (33) are arranged above the conveyor belt 2 (22), a horizontally arranged rotating cylinder (4) is arranged above the conveyor belt 2 (22), two guide rollers 1 (61) and two guide rollers 2 (62) are rotatably mounted on the fixed frame (6), two guide plates (63) are arranged between the guide rollers 1 (61) and the guide rollers 2 (62), and a conveyor belt 3 (64) is mounted on the fixed frame (6), and an embossing plate (65) is arranged above the conveyor belt 3 (64).

2. The dough pre-proofing and shaping machine according to claim 1, characterized in that: Adjustment blocks (41) are respectively installed at both ends of the rotating cylinder (4), and a vertically arranged screw rod (42) is fixed on the top surface of the adjustment block (41). The mounting frame (21) comprises a support plate (5), and two support blocks (51) are fixed on the side of the support plate (5). An adjustment sleeve (52) is fixed on the top surface of the support block (51), and the screw rod (42) is inserted into the adjustment sleeve (52). A guide rod (53) is fixed on the bottom surface of the support block (51). A guide hole (411) for inserting the guide rod (53) is opened on the top surface of the adjustment block (41). An adjustment plate (43) is sleeved on the outer periphery of the screw rod (42). The adjustment plate (43) is threadedly matched with the screw rod (42), and the bottom surface of the adjustment plate (43) abuts against the top surface of the adjustment sleeve (52).

3. The dough pre-proofing and shaping integrated machine according to claim 2, characterized in that: The mounting frame (21) comprises a positioning plate (36), on which a bidirectional screw rod (31) and a guide rod (32) are rotatably mounted, a movable plate (3) is sleeved on the outer periphery of the bidirectional screw rod (31), the guide rod (32) passes through the movable plate (3), the movable plate (3) and the bidirectional screw rod (31) are threadedly matched, and the extrusion cylinder (33) is mounted on the movable plate (3).

4. The dough pre-proofing and shaping machine according to claim 3, characterized in that: The fixing frame (6) comprises a fixing plate (66), one end of the embossing plate (65) is rotatably connected to the fixing plate (66), the top surface of the fixing plate (66) is hinged with a cylinder (67), the piston rod end of the cylinder (67) is hinged with the embossing plate (65), the top surface of the fixing plate (66) is provided with two limit plates (7), the fixing frame (6) is provided with two fixing rods (71), the two ends of the limit plates (7) are respectively fixed with connecting blocks (72), the connecting blocks (72) are sleeved on the outer periphery of the fixing rod (71), and the connecting blocks (72) can move along the length direction of the fixing rod (71).

5. The dough pre-proofing and shaping machine according to claim 1, characterized in that: Two mounting plates (23) are fixed on the mounting frame (21), and a bidirectional screw rod (24) and a guide rod (25) are rotatably mounted between the two mounting plates (23). Two blocking plates (26) are arranged above the conveyor belt (22), and the blocking plates (26) are sleeved on the outer periphery of the bidirectional screw rod (24) and the guide rod (25). The blocking plates (26) are threadedly matched with the bidirectional screw rod (24). The two blocking plates (26) are baffle plate 1 (261) and baffle plate 2 (262), respectively. The baffle plate 1 (261) is located below the conveyor belt 1 (11), and the top of the baffle plate 2 (262) is higher than the conveyor belt 1 (11). The baffle plate 2 (262) is located on the side of the conveyor belt 1 (11) away from the proofing machine (1).

6. The dough pre-proofing and shaping machine according to claim 3, characterized in that: A motor (81) is mounted on the movable plate (3), a rotating rod (8) is fixed to the output end of the motor (81), a mounting tube (82) is fixed to the bottom surface of the rotating rod (8), a synchronous block (83) is mounted in the mounting tube (82) for vertical sliding movement, sliders (84) are fixed on both sides of the synchronous block (83), a sliding groove (85) is provided on the inner circumference of the mounting tube (82), the slider (84) is slidably matched with the mounting tube (82) in the vertical direction through the sliding groove (85), a spring (86) is fixed to the top surface of the slider (84), the top end of the spring (86) is fixedly connected to the inner top surface of the sliding groove (85), and the synchronous block (83) can be clamped and fixed to the extrusion tube (33).

7. The dough pre-proofing and shaping machine according to claim 6, characterized in that: The top surface of the extrusion cylinder (33) is provided with a slot (34) for inserting the synchronization block (83), the bottom end of the synchronization block (83) is provided with a pointed end, the outer peripheral surface of the synchronization block (83) is provided with two symmetrically arranged clamping grooves (88), the synchronization block (83) is radially slidably mounted with a clamping block (87) through the clamping grooves (88), and the inner peripheral surface of the slot (34) is provided with an insertion slot (35) for inserting the clamping block (87).

8. The dough pre-proofing and shaping machine according to claim 7, characterized in that: A pressing block (871) is fixed to the bottom surface of the clamping block (87), and a pressing groove (872) is provided on the inner wall of the clamping groove (88). The pressing block (871) slides and cooperates with the synchronous block (83) along the radial direction of the synchronous block (83) through the pressing groove (872). A pressing spring (873) is fixed to the side of the pressing block (871) away from the extrusion cylinder (33), and one end of the pressing spring (873) away from the pressing block (871) is fixedly connected to the inner wall of the pressing groove (872). A slope (874) is provided on the side of the clamping block (87) close to the extrusion cylinder (33), and the slope (874) is located on the bottom surface of the clamping block (87). An electromagnet (89) is fixed to the inner top surface of the mounting cylinder (82), and the electromagnet (89) can attract the synchronous block (83) after being energized.

9. The dough pre-proofing and shaping machine according to claim 8, characterized in that: The top surface of the synchronization block (83) is provided with a moving groove (91), and the synchronization block (83) is vertically slidably installed with a moving block (9) through the moving groove (91). A pull rope (95) is fixed to the side of the clamping block (87) away from the extrusion cylinder (33), and one end of the pull rope (95) away from the clamping block (87) is fixedly connected to the bottom surface of the moving block (9). The electromagnet (89) can attract the moving block (9) after being energized.

10. The dough pre-proofing and shaping machine according to claim 9, characterized in that: A reset block (92) is fixed on the outer circumferential surface of the moving block (9), a reset groove (93) is provided on the inner circumferential surface of the moving groove (91), the reset block (92) is slidably matched with the synchronization block (83) in the vertical direction through the reset groove (93), a reset spring (94) is fixed on the top surface of the reset block (92), and the top end of the reset spring (94) is fixedly connected to the inner top surface of the reset groove (93).

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