Pressure regulating mechanism for tea rolling machine

Abstract

The utility model provides a pressure adjusting mechanism for tea rubbing and twisting machine, include: tea rubbing and twisting machine includes pressure saucer, is installed with the locating ring on pressure saucer, fixed mounting has tea rubbing cavity in the locating ring, and the rack pillar fixed mounting is located one side of tea rubbing cavity in the locating ring top. The utility model discloses through the design of screw thread occlusion ware, lifting screw rod and drive component, when not needing through rubbing and twisting pressure disc to tea rubbing cavity tea leaf pressurization, make screw thread occlusion ware be in second form, drive component restores original state, can drive rubbing and twisting pressure disc upward displacement reset and installation board bottom contact, cancel the pressurization of tea rubbing cavity tea leaf, realize rubbing and twisting pressure disc fast reset to above tea rubbing cavity effect, cancel the mode that personnel makes screw thread cover rotation drives lifting screw rod to move up gradually, realize the fast pressure relief effect to tea leaf.

Description

Technical Field

[0001] This utility model relates to the technical field of tea rolling machines, specifically to a pressure regulating mechanism for tea rolling machines. Background Technology

[0002] In the tea rolling process, precise control of rolling pressure plays a crucial role in the quality of the tea. Different types of tea and different stages of rolling require different pressures.

[0003] Traditional tea rolling machines typically adjust pressure using a threaded sleeve and a lifting screw. During operation, a person must rotate the threaded sleeve to move the lifting screw, which in turn extends the rolling pressure plate into the tea rolling chamber to apply pressure to the tea leaves. While this method allows for pressure adjustment within the rolling chamber, it has the following drawbacks in practical use: When it is necessary to release the pressure on the tea leaves, the operator has to manually and slowly rotate the threaded sleeve to move the lifting screw upwards. This process is extremely time-consuming and laborious, which not only reduces the efficiency of tea leaf kneading, but may also affect the subsequent kneading effect of the tea leaves due to untimely pressure release. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a pressure regulating mechanism for a tea kneading machine, which solves the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: The pressure regulating mechanism for a tea rolling machine includes: A frame support is used to install on a tea rolling machine, which includes a pressure plate, a positioning ring installed on the pressure plate, a tea rolling cavity fixedly installed inside the positioning ring, and the frame support is fixedly installed on the top of the positioning ring and located on one side of the tea rolling cavity. The mounting plate is fixedly installed horizontally on the side of the frame support near the tea kneading cavity and directly above the tea kneading cavity; There are two guide columns, both of which are vertical and can move through the mounting plate. Pressure rings are fixedly installed at the bottom of the two guide columns. A kneading plate is movably sleeved on the bottom of the pressure ring and rotatedly connected to it. The kneading plate can be inserted into the tea kneading cavity, and the cross section between the outer wall of the kneading plate and the inner wall of the tea kneading cavity is in contact. The driving components are in two sets, each set is mounted on the mounting plate and connected to two guide posts respectively. The driving components are used to make the guide posts slide upward on the mounting plate. The lifting screw has a through hole on the top of the mounting plate. The lifting screw is vertical and fixedly installed on the top of the pressure support ring. The lifting screw moves through the through hole. A drive gear ring is rotatably installed on the top of the mounting plate and outside the through hole. A threaded engagement device, mounted on top of a drive gear ring, is available in two forms: First state: The threaded engagement device engages with the lifting screw; Second form: The threaded engagement device does not contact the lifting screw.

[0006] This utility model provides a pressure regulating mechanism for a tea rolling machine. Compared with the prior art, it has the following advantages: 1. Through the design of the threaded engagement device, lifting screw, and drive assembly, when it is not necessary to pressurize the tea leaves in the tea kneading chamber through the kneading pressure plate, the threaded engagement device is in the second state, and the drive assembly returns to its original state. This allows the kneading pressure plate to move upward and reset to contact the bottom of the mounting plate, thus canceling the pressurization of the tea leaves in the tea kneading chamber. This achieves the effect of quickly resetting the kneading pressure plate to the top of the tea kneading chamber, eliminating the need for personnel to rotate the threaded sleeve to drive the lifting screw to move upward step by step. This achieves a rapid pressure relief effect on the tea leaves, which is beneficial to subsequent tea kneading processing operations and improves the efficiency of tea kneading processing. 2. Utilizing the special design of the top plate being fixed to the top of the guide column with screws, when the elastic performance of the spring decreases after long-term use of this equipment, affecting the upward sliding displacement of the guide column, personnel can use tools to remove the screws to separate the top plate from the guide column, thereby allowing the spring to be removed and replaced. 3. The design of the handwheel drive assembly makes it easy for the drive gear ring to rotate on the side support plate, which is convenient for operators. Attached Figure Description

[0007] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0008] Figure 1 A three-dimensional structural schematic diagram of the present invention is shown; Figure 2 This utility model illustrates Figure 1 Enlarged view of point A in the middle; Figure 3 A schematic diagram of the installation structure of the handwheel drive assembly of this utility model is shown; Figure 4A schematic diagram of the installation structure of the elastic lock drive component of this utility model is shown; Figure 5 A schematic diagram of the installation structure of the thread engagement device of this utility model is shown; Figure 6 A schematic diagram of the installation structure of the threaded gripper of this utility model is shown; The diagram shows: 1. Frame support column; 11. Base column; 12. Pivot bracket; 13. Column; 14. Locking base; 15. Snap-fit ​​block; 16. Locking swing arm; 17. Elastic locking drive; 2. Pressure bearing plate; 21. Positioning ring; 22. Tea kneading cavity; 3. Mounting plate; 31. Through-shaft hole; 32. Drive gear ring; 33. Side support plate; 4. Guide column; 41. Pressure support ring; 42. Kneading. 5. Pressure plate; 6. Drive assembly; 7. Top plate; 8. Screw; 9. Spring; 10. Lifting screw; 11. Threaded engagement device; 12. Connecting column; 13. Sliding base; 14. Sliding plate; 15. Threaded gripper; 26. Arc groove; 37. Combined threaded groove; 48. Adjusting screw; 59. Rotating handle; 10. Handwheel drive assembly; 11. Rotating rod; 22. Bevel gear assembly; 33. Operating handwheel. Detailed Implementation

[0009] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model. Example

[0010] To address the technical problems in the background section, the following pressure regulating mechanism for a tea rolling machine is provided: Combination Figure 1 - Figure 6 As shown, the pressure regulating mechanism for a tea kneading machine provided by this utility model includes: The frame support 1 is used to install on the tea rolling machine. The tea rolling machine includes a pressure plate 2, on which a positioning ring 21 is installed. The tea rolling cavity 22 is fixedly installed inside the positioning ring 21. It is worth noting that the tea rolling machine is existing equipment, and the installation structure between the pressure plate 2, the positioning ring 21 and the tea rolling cavity 22 is existing technology, which will not be described in detail here. For details, please refer to the tea rolling machine with model number 6CR-55. The frame support 1 is fixedly installed on the top of the positioning ring 21 and located on one side of the tea rolling cavity 22. Mounting plate 3 is fixedly installed horizontally on the side of the frame support 1 near the tea kneading cavity 22 and directly above the tea kneading cavity 22; There are two guide pillars 4, both of which are vertical and can move through the mounting plate 3. Pressure rings 41 are fixedly installed at the bottom of the two guide pillars 4. A kneading plate 42 is movably sleeved on the bottom of the pressure ring 41 and rotatedly connected to it. The kneading plate 42 can be inserted into the tea kneading cavity 22, and the outer side wall of the kneading plate 42 is in contact with the inner side wall of the tea kneading cavity 22. The driving components 5 are in two sets. Both sets of driving components 5 are mounted on the mounting plate 3 and connected to two guide posts 4 respectively. The driving components 5 are used to make the guide posts 4 slide upward on the mounting plate 3. The lifting screw 6 has a through hole 31 on the top of the mounting plate 3. The lifting screw 6 is vertical and fixedly installed on the top of the pressure support ring 41. The lifting screw 6 moves through the through hole 31. A drive gear ring 32 is rotatably installed on the top of the mounting plate 3 and outside the through hole 31. Specifically, the center of the cross-section of the drive gear ring 32 is located in the axial direction of the lifting screw 6. The threaded engagement device 7 is mounted on top of the drive gear ring 32, and the threaded engagement device 7 has two forms: First configuration: The threaded engagement device 7 engages with the lifting screw 6; Second state: The threaded engagement device 7 does not contact the lifting screw 6.

[0011] Through the design of the threaded engagement device 7, the lifting screw 6, and the driving assembly 5, during the tea kneading process, when the kneading pressure plate 42 applies pressure to the tea kneading cavity 22, the threaded engagement device 7 is in its first state. Manually rotating the drive gear ring 32 rotates the threaded engagement device 7, causing the lifting screw 6 to move downwards along the two guide pillars 4. This, in turn, causes the kneading pressure plate 42 to move downwards via the pressure support ring 41, allowing it to be inserted into the tea kneading cavity 22 to apply pressure to the tea. During this period, the state of the driving component 5 changes; when it is not necessary to pressurize the tea leaves in the tea kneading cavity 22 through the kneading plate 42, the threaded engagement 7 is in the second state, and the threaded engagement 7 does not contact the lifting screw 6. The driving component 5 returns to its original state, and the guide column 4 slides upward on the mounting plate 3, which can drive the kneading plate 42 to move upward and contact the bottom of the mounting plate 3. The kneading plate 42 moves to the top of the tea kneading cavity 22, thereby canceling the pressurization of the tea leaves in the tea kneading cavity 22.

[0012] This achieves the effect of quickly resetting the kneading pressure plate 42 above the tea kneading cavity 22, eliminating the need for personnel to rotate the threaded sleeve to gradually move the lifting screw upwards. This results in rapid pressure relief for the tea leaves, which is beneficial for subsequent tea kneading operations and improves the efficiency of tea kneading.

[0013] Combination Figure 1 - Figure 6As shown, the driving assembly 5 includes a top plate 51 installed on the top of the guide post 4. The top of the mounting plate 3 is provided with a spring 52 sleeved on the outside of the guide post 4. The two ends of the spring 52 abut against the top of the mounting plate 3 and the bottom of the top plate 51, respectively. In use, when the guide post 4 slides downward on the mounting plate 3, it drives the top plate 51 to move downward. During this period, the spring 52 is deformed by force. When the threaded engagement 7 is not in contact with the lifting screw 6, the locking of the lifting screw 6 is released, and the two springs 52 return to their natural state, so that the guide post 4 can slide upward on the mounting plate 3 to reset.

[0014] Combination Figure 1 - Figure 6As shown, the threaded engagement device 7 includes connecting posts 71 symmetrically fixedly installed on the top of the drive gear ring 32. A sliding base 72, movably sleeved outside the lifting screw 6, is fixedly installed on the top of the two connecting posts 71. Sliding plates 73 are symmetrically slidably installed on the top of the sliding base 72 and on both sides of the lifting screw 6. Threaded jaws 74 that can engage are symmetrically fixed on opposite sides of the two sliding plates 73. Arc-shaped grooves 75 are formed on opposite sides of the two threaded jaws 74. The center of the cross-section of the arc-shaped groove 75 is located along the axial direction of the lifting screw 6. Threaded sections are formed within both arc-shaped grooves 75. When the threaded jaws 74 are in contact, a combined threaded groove 76 is formed by the threaded sections in the two arc-shaped grooves 75, and the combined threaded groove 76 engages with the lifting screw 6. A horizontal adjusting screw 77 is rotatably mounted on the sliding base 72. The adjusting screw 77 is threadedly connected to both sliding plates 73. One end of the adjusting screw 77 extends to the outside of the sliding base 72 and is coaxially fixed to a rotating handle 78. Specifically, when the kneading pressure plate 42 is in contact with the bottom of the mounting plate 3, and the two sliding plates 73 slide in opposite directions on the sliding base 72 and move closer to each other, the two threaded jaws 74 move closer to each other. When the two threaded jaws 74 are engaged, the combined threaded groove 76 meshes with the lifting screw 6. At this time, rotating the drive gear ring 32 drives the sliding base 72 to rotate via the two connecting pillars 71, thereby rotating the two sliding plates 73. This causes the two threaded jaws 74 to rotate around the drive gear ring 32, and the combined threaded groove 76 meshes with the lifting screw 6, thus driving the lifting screw 6 to move vertically along the two guide pillars 4. In this state, the threaded engagement device 7 is in its first position. Conversely, rotating the handle 78 drives the adjusting screw 77 to move around the sliding base. Rotating the lever 72 causes the two sliding plates 73 to slide in opposite directions and move away from each other on the sliding base 72, which in turn causes the two threaded jaws 74 to move away from each other. This ensures that the combined threaded grooves 76 on the two threaded jaws 74 are located outside the lifting screw 6, thus canceling the locking state of the lifting screw 6. At this time, the thread engagement device 7 is in the second state. When it is necessary to make the two threaded jaws 74 fit together, rotating the handle 78 in the opposite direction causes the adjusting screw 77 to rotate, which in turn causes the two sliding plates 73 to slide in opposite directions and move closer to each other on the sliding base 72, so that the two threaded jaws 74 fit together. The overall operation is simple.

[0015] Combination Figure 1 - Figure 6 As shown, the top plate 51 is fixedly installed on the top of the guide column 4 by screws 511. With the special design of the top plate 51 being fixedly installed on the top of the guide column 4 by screws 511, when the elastic performance of the spring 52 decreases after long-term use of the equipment, which affects the upward sliding displacement of the guide column 4, personnel can use tools to remove the screws 511 to separate the top plate 51 from the guide column 4, thereby allowing the spring 52 to be removed and replaced.

[0016] Combination Figure 1 - Figure 6 As shown, a side support plate 33 is fixedly installed on one side of the mounting plate 3. A handwheel drive assembly 8 for driving the drive gear ring 32 to rotate is installed on the side support plate 33. The design of the handwheel drive assembly 8 makes it easy for the drive gear ring 32 to rotate on the side support plate 33, which is convenient for the operator.

[0017] Combination Figure 1 - Figure 6 As shown, the handwheel drive assembly 8 includes a rotating rod 81 rotatably mounted on the side support plate 33. One end of the rotating rod 81 is connected to the drive gear ring 32 via a bevel gear assembly 82, and the other end is coaxially fixed to an operating handwheel 83. Specifically, the bevel gear assembly 82 includes two meshing bevel gears. One bevel gear is coaxially fixed to the rotating rod 81, and the other bevel gear is coaxially fixed to the drive gear ring 32. In use, the operator can manually rotate the operating handwheel 83 to drive the rotating rod 81 to rotate on the side support plate 33, thereby driving the drive gear ring 32 to rotate on the mounting plate 3 via the bevel gear assembly 82. The operation is simple.

[0018] Combination Figure 1 - Figure 6As shown, the frame support 1 includes a base column 11 fixedly mounted on a positioning ring 21. A pivot bracket 12 is fixed to one side of the base column 11. A column 13, which can fit against the top of the base column 11, is hinged to the pivot bracket 12. A locking base 14 is fixedly mounted at the top of the other side of the base column 11. A snap-fit ​​block 15 is fixedly mounted at the bottom of the column 13 near the locking base 14. A locking swing arm 16, which can engage with the snap-fit ​​block 15, is hinged to the locking base 14. An elastic locking drive 17, which engages with the locking swing arm 16, is mounted on the locking base 14. The locking arm 16 is used to rotate on the locking base 14 so that it engages with the locking block 15. Specifically, the elastic locking drive 17 is a coil spring. A fixed shaft is fixed on the locking base 14. The locking arm 16 is sleeved outside the fixed shaft and hinged to the locking base 14. The coil spring is sleeved outside the fixed shaft and located inside the locking arm 16, with both ends of the coil spring fixedly connected to the fixed shaft and the locking arm 16, respectively. The mounting plate 3 is fixedly mounted on the column 13. Through the design of the frame support column 1, including the base column 11 and the column 13, the tea kneading cavity 22 is... When feeding tea leaves for kneading, the threaded engagement device 7 is in its second position. Under the force of the two springs 52, the kneading pressure plate 42 moves upward and contacts the bottom of the mounting plate 3. The operator manually applies force to the locking arm 16, causing it to rotate on the locking base 14 and prevent it from contacting the locking block 15. This cancels the locking state between the locking arm 16 and the locking block 15. The operator can then rotate the column 13 around the pivot bracket 12, causing the kneading pressure plate 42 to move in an arc, thereby moving it to one side of the tea kneading cavity 22 and completely canceling the contact between the upper part of the tea kneading cavity 22. The sealing facilitates the feeding of tea leaves for kneading. After the tea leaves for kneading are fed, the operator manually applies force to the locking arm 16, causing it to rotate on the locking base 14. During this process, the coil spring deforms under force, causing the column 13 to rotate and reset around the pivot bracket 12, making the column 13 contact the top of the base column 11. The force on the locking arm 16 is then released, and the coil spring returns to its natural state, causing the locking arm 16 to rotate and reset around the locking base 14. This allows the locking arm 16 to engage with the locking block 15, fixing the column 13 and the base column 11. The operation is simple.

[0019] Working principle and usage process of this utility model: When feeding tea leaves into the tea kneading cavity 22, the operator rotates the handle 78 to drive the adjusting screw 77 to rotate on the sliding base 72, causing the two sliding plates 73 to slide in opposite directions and move away from each other on the sliding base 72. This makes the combined thread grooves 76 on the two threaded jaws 74 located outside the lifting screw 6. The two springs 52 return to their natural state, causing the guide column 4 to slide upward and reset on the mounting plate 3. This causes the kneading pressure plate 42 to move upward and reset to contact the bottom of the mounting plate 3. The kneading pressure plate 42 moves to the top of the tea kneading cavity 22. The operator manually applies force to the locking arm 16, causing it to rotate on the locking base 14 so that it does not contact the locking block 15. This causes the column 13 to rotate around the pivot bracket 12, causing the kneading pressure plate 42 to move in an arc, thereby moving it to one side of the tea kneading cavity 22. This completely removes the blockage above the tea kneading cavity 22, making it easier to feed the tea leaves into the kneading cavity 22. After the tea leaves for kneading are fed into the machine, the operator manually applies force to the locking arm 16, causing it to rotate on the locking base 14. This causes the column 13 to rotate and reset around the pivot bracket 12, bringing the column 13 into contact with the top of the base column 11. The force on the locking arm 16 is then released, and the coil spring returns to its natural state, allowing the locking arm 16 to rotate and reset around the locking base 14. This locks the locking arm 16 into the locking block 15, fixing the column 13 and the base column 11. The operator then rotates the handle 78 in the opposite direction, causing the adjusting screw 77 to rotate. This causes the two sliding plates 73 to slide in opposite directions on the sliding base 72 and move closer to each other, bringing the two threaded jaws 74 into contact. The combined threaded groove 76 then engages with the lifting screw 6, creating an engagement effect between the two threaded jaws 74 and the lifting screw 6. During the tea rolling process, when the tea is pressed by the rolling pressure plate 42 into the tea rolling cavity 22, the operator manually rotates the operating handwheel 83 to drive the rotating rod 81 to rotate on the side support plate 33. The bevel gear assembly 82 drives the drive gear ring 32 to rotate on the mounting plate 3. The two connecting columns 71 drive the sliding base 72 to rotate, so that the two threaded jaws 74 rotate around the drive gear ring 32. This drives the lifting screw 6 to move vertically along the two guide columns 4, so that the rolling pressure plate 42 extends into the tea rolling cavity 22 to press the tea. When it is not necessary to pressurize the tea leaves in the tea kneading cavity 22 through the kneading pressure plate 42, the operator rotates the handle 78 to drive the adjusting screw 77 to rotate on the sliding base 72. This causes the two sliding plates 73 to slide in opposite directions and move away from each other on the sliding base 72, which in turn causes the two threaded jaws 74 to move away from each other. This ensures that the combined threaded grooves 76 on the two threaded jaws 74 are located outside the lifting screw 6, thus releasing the locking state of the lifting screw 6. The two springs 52 return to their natural state, causing the guide column 4 to slide upward and reset on the mounting plate 3. This causes the kneading pressure plate 42 to move upward and reset to contact the bottom of the mounting plate 3. The kneading pressure plate 42 moves to the top of the tea kneading cavity 22, thus releasing the pressure on the tea leaves in the tea kneading cavity 22. This achieves the effect of quickly resetting the kneading pressure plate 42 to the top of the tea kneading cavity 22, eliminating the need for the operator to rotate the threaded sleeve to gradually move the lifting screw upward. This achieves a rapid pressure relief effect on the tea leaves, which is beneficial for subsequent tea kneading processing and improves the efficiency of tea kneading processing.

[0020] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A pressure regulating mechanism for a tea rolling machine, characterized in that: include: A frame support is used to install on a tea rolling machine, which includes a pressure plate, a positioning ring installed on the pressure plate, a tea rolling cavity fixedly installed inside the positioning ring, and the frame support is fixedly installed on the top of the positioning ring and located on one side of the tea rolling cavity. The mounting plate is fixedly installed horizontally on the side of the frame support near the tea kneading cavity and directly above the tea kneading cavity; There are two guide columns, both of which are vertical and can move through the mounting plate. Pressure rings are fixedly installed at the bottom of the two guide columns. A kneading plate is movably sleeved on the bottom of the pressure ring and rotatedly connected to it. The kneading plate can be inserted into the tea kneading cavity, and the cross section between the outer wall of the kneading plate and the inner wall of the tea kneading cavity is in contact. The driving components are in two sets, each set is mounted on the mounting plate and connected to two guide posts respectively. The driving components are used to make the guide posts slide upward on the mounting plate. The lifting screw has a through hole on the top of the mounting plate. The lifting screw is vertical and fixedly installed on the top of the pressure support ring. The lifting screw moves through the through hole. A drive gear ring is rotatably installed on the top of the mounting plate and outside the through hole. A threaded engagement device, mounted on top of a drive gear ring, is available in two forms: First state: The threaded engagement device engages with the lifting screw; Second form: The threaded engagement device does not contact the lifting screw.

2. The pressure regulating mechanism for a tea rolling machine according to claim 1, characterized in that: The driving assembly includes a top plate mounted on the top of the guide post, and a spring sleeved on the top of the mounting plate outside the guide post, with the two ends of the spring abutting against the top of the mounting plate and the bottom of the top plate, respectively.

3. The pressure regulating mechanism for a tea rolling machine according to claim 1, characterized in that: The threaded engagement device includes connecting columns symmetrically fixedly installed on the top of the drive gear ring. A sliding base is movably sleeved on the outside of the lifting screw and fixedly installed on the top of the two connecting columns. Sliding plates are symmetrically slidably installed on the top of the sliding base and on both sides of the lifting screw. Threaded jaws that can engage are symmetrically fixed on opposite sides of the two sliding plates. Arc-shaped grooves are opened on opposite sides of the two threaded jaws, and threaded sections are opened in the two arc-shaped grooves. When the two threaded jaws engage, a combined threaded groove is formed through the threaded sections in the two arc-shaped grooves, and the combined threaded groove engages with the lifting screw. A horizontal adjusting screw is rotatably installed on the sliding base. The adjusting screw is threadedly connected to both sliding plates. One end of the adjusting screw extends to the outside of the sliding base and is coaxially fixed to a rotating handle.

4. The pressure regulating mechanism for a tea rolling machine according to claim 2, characterized in that: The top plate is fixedly installed on the top of the guide column by screws.

5. The pressure regulating mechanism for a tea rolling machine according to claim 1, characterized in that: A lateral support plate is fixedly installed on one side of the mounting plate, and a handwheel drive assembly for driving the drive gear ring to rotate is installed on the lateral support plate.

6. The pressure regulating mechanism for a tea rolling machine according to claim 5, characterized in that: The handwheel drive assembly includes a rotating rod rotatably mounted on a side support plate. One end of the rotating rod is connected to a drive gear ring via a bevel gear assembly, and the other end is coaxially fixed to an operating handwheel.

7. The pressure regulating mechanism for a tea rolling machine according to claim 1, characterized in that: The frame support includes a base column fixedly mounted on a positioning ring. A pivot bracket is fixed to one side of the base column, and a column that can fit against the top of the base column is hinged to the pivot bracket. A locking base is fixedly mounted at the top position of the other side of the base column. A snap-fit ​​block is fixedly mounted at the bottom position of the column near the locking base. A locking swing arm that can snap into the snap-fit ​​block is hinged to the locking base. An elastic locking drive is mounted on the locking base that snaps into the locking swing arm. The locking drive is used to rotate the locking swing arm on the locking base so that the locking swing arm snaps into the snap-fit ​​block.

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