Indentation device of bottom pasting machine

Abstract

The utility model provides an indentation device of a bottom pasting machine, which relates to the technical field of indentation devices and comprises a machine body, and a first motor is fixed on the surface of the machine body. Through the arrangement of the machine body, the first motor, the half gear, the driving rod, the driven rod, the first gear, the conveying belt, the hydraulic cylinder, the fixing plate and the second motor, when the device conducts creasing operation, the multiple structures are matched to move, creasing operation can be automated, paper boards or kraft paper does not need to be manually placed, and the creasing efficiency is improved. According to the automatic creasing machine, the working intensity of workers is effectively relieved, meanwhile, through automatic creasing, the creasing accuracy is effectively improved, the production efficiency of the equipment is effectively improved, meanwhile, through the arrangement of a second positive and negative lead screw and a tension spring structure, creasing rollers with different thicknesses can be conveniently replaced, and through the arrangement of a second motor and a first positive and negative lead screw structure, the creasing efficiency is improved. The distance between the creasing rollers can be adjusted, so that the kraft paper with different sizes can be adapted, and the practicability and the adaptability of the equipment are effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of indentation device technology, and in particular to an indentation device for a paste-on machine. Background Technology

[0002] Against the backdrop of the continuous development of the packaging industry, the requirements for the quality and performance of paper and other products are increasing. As a key piece of equipment in paper production, the creasing device of the paste-back machine plays an increasingly important role. In traditional paste-back processes, manual or simple mechanical creasing operations have limitations such as inaccurate creasing, low efficiency, high labor intensity, and difficulty in ensuring consistent quality. With the increasing trend of automated production, there is a growing preference for automated production equipment, and paste-back machines are constantly developing towards automation and intelligence. Advances in mechanical manufacturing and electronic control technologies have provided technical support for the research and development of creasing devices for paste-back machines. Technologies such as motor drives, screw drives, hydraulic control, sensors, and computer control technologies enable precise control, automated operation, and real-time monitoring and adjustment. Developing efficient and accurate creasing devices for paste-back machines is of significant practical importance.

[0003] However, with traditional equipment, manual placement of cardboard or kraft paper is required during the creasing operation, which increases the workload of workers. In addition, manual placement of kraft paper for creasing results in low creasing accuracy and low production efficiency, which needs to be improved. Utility Model Content

[0004] The purpose of this utility model is to solve the technical problems mentioned in the background section.

[0005] This utility model adopts the following technical solution: a creasing device for a paste-on machine, comprising a machine body, a motor I fixed to the surface of the machine body, a half gear fixed to the output end of the motor I, a driving rod and a driven rod inserted inside the machine body, a gear I fixedly mounted on the surface of the driving rod, a conveyor belt sleeved on the outer surface of the driving rod and the driven rod, a hydraulic cylinder fixed to the top of the machine body, a fixed plate fixedly mounted on the output end of the hydraulic cylinder, a motor II fixed to the surface of the fixed plate, a forward and reverse lead screw I fixedly mounted on the output end of the motor II, a fixed cylinder fixedly mounted on the bottom end of the fixed plate, and a moving rod sleeved inside the fixed cylinder. A spring is installed inside the fixed cylinder. A pressure block is fixedly installed at the bottom end of the moving rod. A moving block is threadedly connected to the outer surface of the first positive and negative lead screw. A moving plate is fixedly installed at the bottom end of the moving block. A motor is fixedly installed on the surface of the moving plate. A reciprocating rod is fixedly installed at the output end of the motor. A moving frame is threadedly connected to the outer surface of the reciprocating rod. A second positive and negative lead screw is installed inside the moving frame. A sliding block is threadedly connected to the outer surface of the second positive and negative lead screw. A ball bearing is fixedly installed on the surface of the sliding block. A tension spring is fixedly installed on one side surface of the ball bearing. A fixed rod is inserted inside the tension spring. An indentation roller is fitted on the outer surface of the fixed rod.

[0006] Preferably, the surface of the half gear meshes with the surface of the first gear, and the hydraulic cylinders are in two sets and symmetrically distributed at the top of the machine body. Here, the two sets of symmetrically distributed hydraulic cylinders ensure smooth pressing of the pressure block, improving the quality and stability of the indentation.

[0007] Preferably, one end of the first spring is connected to the inner surface of the fixed cylinder, and the other end of the first spring is connected to the top surface of the moving rod. The fixed cylinder, the first spring, and the moving rod are arranged in three sets, forming an array at the bottom of the fixed plate and the bottom of the pressure block. This array distribution of multiple sets of fixed cylinders, the first spring, and the moving rod ensures uniform force distribution on the pressure block, further enhancing the buffering effect and guaranteeing the consistency of the indentation.

[0008] Preferably, a fixing block is fixedly installed at the top of the fixing plate, and a limiting rod is sleeved inside the fixing block. There are two sets of fixing blocks symmetrically distributed at the top of the fixing plate. The positive and negative lead screws are sleeved inside the fixing blocks, and the limiting rods are sleeved inside the moving block. Here, the fixing blocks and limiting rods guide and limit the movement of the moving block, ensuring the accuracy and stability when the positive and negative lead screws drive the moving block.

[0009] Preferably, one end of the tension spring is connected to the surface of the ball bearing, and the other end of the tension spring is connected to the surface of the fixed rod. The moving plate, motor three, reciprocating rod, moving frame, positive and negative lead screw two, sliding block, ball bearing, tension spring, fixed rod, and indentation roller are all in two sets. Here, the two identical sets of structures can simultaneously perform indentation operations at different positions or of different types, improving work efficiency.

[0010] Preferably, the machine body has an internal placement slot, and a correction block is fitted inside the placement slot. A moving column is fixedly installed at the rear end of the correction block. A placement block is fixedly installed on the surface of the machine body, and a groove is formed inside the placement block. A gear two is fitted on the outer surface of the front end of the placement block. Threads are formed inside the gear two and on the outer surface of the moving column. A gear three is fixedly inserted into the surface of the machine body. A rotating rod is fitted inside the machine body. A pulley is fixedly installed at one end of the rotating rod and at the rear end of the gear three. A belt is fitted on the outer surface of the pulley. A bevel gear one is fixedly installed at the other end of the rotating rod. A motor four is fixedly installed inside the bottom of the machine body, and a bevel gear two is fixedly installed at the output end of the motor four. Here, the correction block, moving column, and other structures can correct the material deviation, ensuring accurate indentation position and improving product quality. Gears two and three, and related transmission structures enable precise control of the correction block by the motor four.

[0011] Preferably, the number of the correction block, moving column, placement block, gear two, gear three, rotating rod, pulley, belt, and bevel gear one are all two sets, and they are symmetrically distributed inside the machine body. Here, the two sets of symmetrically distributed correction structures make the correction more stable and reliable, and adaptable to materials of different sizes and shapes.

[0012] Preferably, the surface of bevel gear one meshes with the surface of bevel gear two, and the surface of gear two meshes with the surface of gear three. A support frame is fixedly installed inside the bottom end of the machine body, and the support frame is sleeved on the outer surface of the rotating rod. Here, the transmission method of bevel gear one and bevel gear two meshing and gear two and gear three meshing is accurate and efficient, the support frame ensures the stable operation of the rotating rod, and improves the reliability of the entire correction system.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0014] 1. In this utility model, by setting up a structure consisting of a machine body, a first motor, a half gear, a driving rod, a driven rod, a first gear, a conveyor belt, a hydraulic cylinder, a fixed plate, and a second motor, the coordinating movement of multiple structures during the creasing operation automates the creasing process. This eliminates the need for manual placement of cardboard or kraft paper, effectively reducing the workload of workers. Automated creasing also significantly improves creasing accuracy and equipment production efficiency. Furthermore, the inclusion of a second positive and negative lead screw and a tension spring structure allows for easy replacement of creasing rollers of different thicknesses. The second motor and the first positive and negative lead screw structure also allow for adjustment of the spacing between the creasing rollers, adapting to different sizes of kraft paper and effectively enhancing the equipment's practicality and adaptability.

[0015] 2. In this utility model, by setting up a placement groove, a correction block, a moving column, a placement block, a groove, a second gear, a thread, a third gear, a rotating rod, a pulley, a belt, a first bevel gear, a fourth motor, and a second bevel gear, the correction block can correct the kraft paper before the creasing roller performs the creasing operation when the operator uses the equipment, ensuring accurate creasing position and effectively improving product quality. By setting up the fourth motor, first bevel gear, and second bevel gear structure, the multiple structures work together to enable the equipment to automatically correct the deviation, eliminating the need for manual correction by the operator, effectively improving the accuracy and practicality of the equipment. Attached Figure Description

[0016] Figure 1 This utility model provides a three-dimensional structural diagram of the indentation device for a paste-making machine;

[0017] Figure 2 This utility model provides a schematic diagram of the top structure of the indentation device of a paste-on machine;

[0018] Figure 3 This utility model provides an exploded structural diagram of the indentation device for a paste-on machine;

[0019] Figure 4 This utility model provides a schematic diagram of the indentation structure of the indentation device for a paste-making machine;

[0020] Figure 5 This utility model provides a partial structural schematic diagram of the indentation device for a paste-on machine;

[0021] Figure 6 An exploded view of the correction structure of the indentation device for a paste-making machine is provided for this utility model.

[0022] Legend:

[0023] 1. Machine body; 2. Motor 1; 3. Half gear; 4. Driving rod; 5. Driven rod; 6. Gear 1; 7. Conveyor belt; 8. Hydraulic cylinder; 9. Fixed plate; 10. Motor 2; 11. Lead screw 1; 12. Fixed cylinder; 13. Moving rod; 14. Spring 1; 15. Pressure block; 16. Moving block; 17. Moving plate; 18. Motor 3; 19. Reciprocating rod; 20. Moving frame; 21. Lead screw 2; 22. Sliding block; 23. Ball bearing; 24. Tension spring; 25. Fixing rod; 26. Indentation roller; 27. Fixing block; 28. Limiting rod; 29. ​​Placement groove; 30. Correction block; 31. Moving column; 32. Placement block; 33. Groove; 34. Gear II; 35. Thread; 36. Gear III; 37. Rotating rod; 38. Pulley; 39. Belt; 40. Bevel gear I; 41. Motor IV; 42. Bevel gear II; 43. Support frame. Detailed Implementation

[0024] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0025] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0026] Example 1

[0027] Please see Figure 1-Figure 5This utility model provides a technical solution: an indentation device for a paste-making machine, comprising a body 1, a motor 2 fixed to the surface of the body 1, a half gear 3 fixed to the output end of the motor 2, a driving rod 4 and a driven rod 5 inserted inside the body 1, a gear 6 fixedly mounted on the surface of the driving rod 4, a conveyor belt 7 sleeved on the outer surface of the driving rod 4 and the driven rod 5, a hydraulic cylinder 8 fixed to the top of the body 1, a fixed plate 9 fixedly mounted on the output end of the hydraulic cylinder 8, a motor 10 fixed to the surface of the fixed plate 9, a forward and reverse screw 11 fixedly mounted on the output end of the motor 10, a fixed cylinder 12 fixedly mounted on the bottom end of the fixed plate 9, a moving rod 13 sleeved inside the fixed cylinder 12, a spring 14 sleeved inside the fixed cylinder 12, a pressure block 15 fixedly mounted on the bottom end of the moving rod 13, and a moving block 16 threadedly connected to the outer surface of the forward and reverse screw 11. A movable plate 17 is fixedly installed at the bottom of the movable block 16. A motor 18 is fixedly installed on the surface of the movable plate 17. A reciprocating rod 19 is fixedly installed at the output end of the motor 18. A movable frame 20 is threadedly connected to the outer surface of the reciprocating rod 19. A positive and negative lead screw 21 is sleeved inside the movable frame 20. A sliding block 22 is threadedly connected to the outer surface of the positive and negative lead screw 21. A ball bearing 23 is fixedly installed on the surface of the sliding block 22. A tension spring 24 is fixedly installed on one side of the ball bearing 23. A fixing rod 25 is inserted inside the tension spring 24. An indentation roller 26 is sleeved on the outer surface of the fixing rod 25. First, the motor 2 starts, and its output end drives the half gear 3 to rotate. The half gear 3 meshes with the gear 6 on the drive rod 4, thereby driving the drive rod 4 to rotate. The drive rod 4 and the driven rod 5 cooperate to make the conveyor belt 7 sleeved on their outer surfaces rotate, realizing the conveying of the material to be indented. Then, when the material is conveyed to the appropriate position, the hydraulic cylinder 8 at the top of the machine body 1 starts, pushing the fixed plate 9 at the output end to move downward. Spring 14 and moving rod 13 inside the fixed cylinder 12 at the bottom of the fixed plate 9 descend accordingly. The pressure block 15 at the bottom of the moving rod 13 approaches the material, playing a role in initial positioning and assisting in indentation. Then, motor 10 on the fixed plate 9 starts, driving the positive and negative lead screw 11 to rotate, causing the moving block 16 connected to the positive and negative lead screw 11 by the thread 35 to move laterally. The moving plate 17 at the bottom of the moving block 16 also moves accordingly, thereby adjusting the lateral accuracy of the indentation position.

[0028] Please see Figures 1-6The surface of half gear 3 meshes with the surface of gear 6. There are two sets of hydraulic cylinders 8, symmetrically distributed at the top of the machine body 1. One end of spring 14 is connected to the inner surface of the fixed cylinder 12, and the other end of spring 14 is connected to the top surface of the moving rod 13. There are three sets of fixed cylinders 12, springs 14, and moving rods 13, arranged in an array at the bottom of the fixed plate 9 and the bottom of the pressure block 15. A fixed block 27 is fixedly installed at the top of the fixed plate 9. A limiting rod 28 is sleeved inside the fixed block 27. There are two sets of fixed blocks 27, symmetrically distributed at the top of the fixed plate 9. A positive and negative lead screw 11 is sleeved inside the fixed block 27, and the limiting rod 28 is sleeved inside the moving block 16. One end of the tension spring 24 is connected to the surface of the ball bearing 23. The other end is connected to the surface of the fixed rod 25. The moving plate 17, motor 3 18, reciprocating rod 19, moving frame 20, positive and negative lead screw 21, sliding block 22, ball bearing 23, tension spring 24, fixed rod 25, and indentation roller 26 are all in two sets. The number of the correction block 30, moving column 31, placement block 32, gear 2 34, gear 3 36, rotating rod 37, pulley 38, belt 39, and bevel gear 1 40 are all in two sets and are symmetrically distributed inside the machine body 1. The surface of bevel gear 1 40 meshes with the surface of bevel gear 2 42, and the surface of gear 2 34 meshes with the surface of gear 3 36. A support frame 43 is fixedly installed inside the bottom end of the machine body 1. The support frame 43 is sleeved on the outer surface of the rotating rod 37. By setting the support frame 43, the stability of the rotating rod 37 can be improved.

[0029] Example 2

[0030] Please see Figure 6The machine body 1 has a placement slot 29 inside, and a correction block 30 is fitted inside the placement slot 29. A moving column 31 is fixedly installed at the rear end of the correction block 30. A placement block 32 is fixedly installed on the surface of the machine body 1. A groove 33 is opened inside the placement block 32. A gear 34 is fitted on the outer surface of the front end of the placement block 32. Threads 35 are opened inside the gear 34 and on the outer surface of the moving column 31. A gear 36 is fixedly inserted on the surface of the machine body 1. A rotating rod 37 is fitted inside the machine body 1. A pulley 38 is fixedly installed at one end of the rotating rod 37 and at the rear end of the gear 36. A belt 39 is fitted on the outer surface of the pulley 38. A bevel gear 40 is fixedly installed at the other end of the rotating rod 37. A motor 41 is fixedly installed inside the bottom end of the machine body 1. A bevel gear 42 is fixedly installed at the output end of the motor 41. First, the motor 41 starts, and its output end drives the bevel gear 42 to rotate. Bevel gear 42 meshes with bevel gear 40 at the other end of rotating rod 37, causing rotating rod 37 to rotate. Pulley 38 at one end of rotating rod 37 rotates with rotating rod 37, driving pulley 38 at the rear end of gear 36 via belt 39, thus causing gear 36 to rotate. Gear 36 meshes with gear 34 on the outer surface of the front end of placement block 32, causing gear 34 to rotate. Since gear 34 and the outer surface of moving column 31 both have threads 35, the rotation of gear 34 causes moving column 31 to move linearly within groove 33 of placement block 32. Moving column 31 pushes its front-end correction block 30 to move within placement slot 29 inside machine body 1, achieving correction of material on conveyor belt 7.

[0031] Working Principle: When the operator uses the equipment, the kraft paper is first brought into contact with the surface of the conveyor belt 7. Then, motor 2 is started, which drives half gear 3 to rotate. Half gear 3 then drives gear 6 to rotate, which in turn drives the driving rod 4 and driven rod 5. The driving rod 4 and driven rod 5 then drive the conveyor belt 7 to move. The conveyor belt 7 then moves the kraft paper to the middle position and stops. Motor 41 is then started, and its output drives bevel gear 42 to rotate. Bevel gear 42 meshes with bevel gear 40 at the other end of rotating rod 37, causing rotating rod 37 to rotate. Pulley 38 at one end of rotating rod 37 rotates with rotating rod 37, driving the pulley 38 at the rear end of gear 36 via belt 39, thus causing gear 36 to rotate. Gear 36 meshes with gear 34 on the outer surface of the front end of placement block 32, causing gear 34 to rotate. Since both the inside of gear 2 34 and the outer surface of the moving column 31 are provided with threads 35, the rotation of gear 2 34 causes the moving column 31 to move linearly within the groove 33 of the placement block 32.The moving column 31 pushes the correction block 30 at its front end to move within the placement slot 29 inside the machine body 1, realizing the correction operation of the kraft paper. Then, the hydraulic cylinder 8 is activated, which drives the fixed plate 9 to move downward. Then, the spring 14 and the moving rod 13 in the fixed cylinder 12 at the bottom of the fixed plate 9 descend accordingly. The pressure block 15 at the bottom of the moving rod 13 approaches the material, playing a role in initial positioning and assisting in creasing. Then, the hydraulic cylinder 8 drives the creasing roller 26 to move downward. Then, the creasing roller 26 contacts the surface of the kraft paper. Then, the motor 18 is activated, which drives the reciprocating rod 19 to rotate. Then, the rotation of the reciprocating rod 19 drives the moving frame 20 and the sliding block 22 to move. Then, the movement of the sliding block 22 drives the creasing roller 26 to move, thus performing the creasing operation. After creasing is completed, the conveyor belt 7 continues to move, which can transport the creasing kraft paper to the placement area. When the staff needs to adapt kraft paper of different sizes, this is useful. First, the hand contacts the surface of the fixed rod 25, then pulls the fixed rod 25. The movement of the fixed rod 25 causes the tension spring 24 to stretch, and then the fixed rod 25 disengages from the inside of the indentation roller 26, thus disengaging the indentation roller 26 from the equipment. Next, rotate the positive and negative lead screw 21, which moves the sliding block 22, adjusting the spacing between the sliding blocks 22. Then, place indentation rollers 26 of different sizes inside the sliding block 22, and then the hand... The surface of the fixing rod 25 is detached, and the spring 24 rebounds, allowing the fixing rod 25 to be inserted into the inside of the creasing roller 26. Then, the motor 10 is started, and the motor 10 drives the positive and negative lead screw 11 to rotate. Subsequently, the positive and negative lead screw 21 drives the moving block 16, the moving plate 17, the moving frame 20, the sliding block 22, and the creasing roller to move. The distance between the moving plate 17 and the creasing roller 26 can be adjusted to accommodate different sizes of kraft paper for creasing operations.

[0032] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. An indentation device for a paste-on machine, comprising a body (1), characterized in that: A motor (2) is fixed to the surface of the machine body (1). A half gear (3) is fixed to the output end of the motor (2). An active rod (4) and a driven rod (5) are inserted inside the machine body (1). A gear (6) is fixed to the surface of the active rod (4). A conveyor belt (7) is fitted on the outer surface of the active rod (4) and the driven rod (5). A hydraulic cylinder (8) is fixed to the top of the machine body (1). A fixed plate (9) is fixed to the output end of the hydraulic cylinder (8). A motor (10) is fixed to the surface of the fixed plate (9). A positive and negative lead screw (11) is fixed to the output end of the motor (10). A fixed cylinder (12) is fixed to the bottom end of the fixed plate (9). A moving rod (13) is fitted inside the fixed cylinder (12). A spring (14) is fitted inside the fixed cylinder (12). A pressure block (15) is fixedly installed at the bottom end of the device. A moving block (16) is threadedly connected to the outer surface of the first positive and negative lead screw (11). A moving plate (17) is fixedly installed at the bottom end of the moving block (16). A motor (18) is fixedly installed on the surface of the moving plate (17). A reciprocating rod (19) is fixedly installed at the output end of the motor (18). A moving frame (20) is threadedly connected to the outer surface of the reciprocating rod (19). A second positive and negative lead screw (21) is sleeved inside the moving frame (20). A sliding block (22) is threadedly connected to the outer surface of the second positive and negative lead screw (21). A ball bearing (23) is fixedly installed on the surface of the sliding block (22). A tension spring (24) is fixedly installed on one side surface of the ball bearing (23). A fixing rod (25) is inserted inside the tension spring (24). An indentation roller (26) is sleeved on the outer surface of the fixing rod (25).

2. The indentation device of the paste-making machine according to claim 1, characterized in that: The surface of the half gear (3) meshes with the surface of the gear (6), and the number of hydraulic cylinders (8) is two sets and they are symmetrically distributed at the top of the machine body (1).

3. The indentation device of the paste-making machine according to claim 1, characterized in that: One end of the spring (14) is connected to the inner surface of the fixed cylinder (12), and the other end of the spring (14) is connected to the top surface of the moving rod (13). The fixed cylinder (12), the spring (14) and the moving rod (13) are in three groups and are arranged in an array at the bottom of the fixed plate (9) and the bottom of the pressure block (15).

4. The indentation device of the paste-making machine according to claim 1, characterized in that: A fixing block (27) is fixedly installed at the top of the fixing plate (9). A limiting rod (28) is sleeved inside the fixing block (27). There are two sets of fixing blocks (27) and they are symmetrically distributed at the top of the fixing plate (9). The positive and negative screw rod (11) is sleeved inside the fixing block (27), and the limiting rod (28) is sleeved inside the moving block (16).

5. The indentation device of the paste-making machine according to claim 1, characterized in that: One end of the tension spring (24) is connected to the surface of the ball bearing (23), and the other end of the tension spring (24) is connected to the surface of the fixed rod (25). The moving plate (17), motor three (18), reciprocating rod (19), moving frame (20), positive and negative lead screw two (21), sliding block (22), ball bearing (23), tension spring (24), fixed rod (25), and indentation roller (26) are all in two sets.

6. The indentation device of the paste-making machine according to claim 1, characterized in that: The machine body (1) has a placement slot (29) inside, and a correction block (30) is fitted inside the placement slot (29). A moving column (31) is fixedly installed at the rear end of the correction block (30). A placement block (32) is fixedly installed on the surface of the machine body (1). A groove (33) is opened inside the placement block (32). A gear (34) is fitted on the outer surface of the front end of the placement block (32). Threads (35) are opened inside the gear (34) and on the outer surface of the moving column (31). Gear 3 (36) is fixedly inserted on the surface of the body (1). Rotating rod (37) is sleeved inside the body (1). Pulley (38) is fixedly installed at one end of the rotating rod (37) and the rear end of gear 3 (36). Belt (39) is sleeved on the outer surface of the pulley (38). Bevel gear 1 (40) is fixedly installed at the other end of the rotating rod (37). Motor 4 (41) is fixedly installed inside the bottom end of the body (1). Bevel gear 2 (42) is fixedly installed at the output end of motor 4 (41).

7. The indentation device of the paste-making machine according to claim 6, characterized in that: The number of the correction block (30), the moving column (31), the placement block (32), the gear two (34), the gear three (36), the rotating rod (37), the pulley (38), the belt (39), and the bevel gear one (40) are all two sets and are symmetrically distributed inside the body (1).

8. The indentation device of the paste-making machine according to claim 6, characterized in that: The surface of the first bevel gear (40) meshes with the surface of the second bevel gear (42), the surface of the second gear (34) meshes with the surface of the third gear (36), and a support frame (43) is fixedly installed inside the bottom end of the machine body (1), and the support frame (43) is sleeved on the outer surface of the rotating rod (37).

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