A horizontal double screw structure mixing device

Abstract

The application discloses a horizontal double-helix structure mixing device, which comprises a base, a rotating plate rotatably connected to the top of the base, an angle adjusting mechanism arranged between the base and the rotating plate, a sleeve rotatably connected to the inside of the rotating plate, a first shell fixedly connected to one end of the sleeve, and a rotating shaft rotatably connected to the inside of the first shell away from the sleeve, and belongs to the technical field of mixing devices. The horizontal double-helix structure mixing device adopts a double-shell hinged opening and closing layout, is matched with a quick lock, a spline support and a magnetic attraction limiting structure, can realize one-key switching of multiple modes such as closed stirring, inclined feeding and end discharging, under the stirring working condition, the spline shaft supports the spiral blade at both ends, effectively avoids the shaft body drooping, the blade scanning the bore and the abnormal sound during operation, the sealing gasket is matched with the limiting groove eccentric extrusion positioning, the shell is tightly closed, and under the feeding working condition, the abutting place of the shell is independently sealed by the sealing gasket, so that the conveying material leakage is avoided.

Description

Technical Field

[0001] This invention relates to the field of mixing device technology, and more specifically, to a mixing device with a horizontal double-helix structure. Background Technology

[0002] The horizontal double helix mixer, also known as the double ribbon mixer or twin-shaft mixer, is a high-efficiency mixing device with a U-shaped horizontal cylinder and double helixes or double ribbons. It is characterized by uniform mixing, low residue, and continuous operation, and is widely used for mixing powders, pastes, and viscous materials.

[0003] Chinese patent publication CN202120391277.7, entitled "A Horizontal Double Helix Mixer with Energy-Saving Function," describes a horizontal double helix mixer with energy-saving function, comprising a mixer shell, a support column fixedly installed at the bottom of the mixer shell, a feeding port fixedly installed on the left side of the upper end face of the mixer shell, a control switch fixedly installed on the left side of the upper end face of the mixer shell, a first motor housing and a second motor housing fixedly installed on the left side of the mixer shell, and a first fixing box fixedly installed on the front side of the left end face of the mixer shell. In this energy-saving horizontal double helix mixer, the first and second electric telescopic rods can be pushed simultaneously. The second rotating shaft moves back and forth, which can drive the second spiral blade to move back and forth, thereby reducing the distance between the second spiral blade and the first spiral blade, thus realizing the adjustment function of the device. However, this type of equipment is mainly composed of components such as a fixed shell, double spiral blades, and a drive motor. The overall structure is a fixed horizontal sealed cavity design, which can only complete the material mixing operation within the closed shell. The shell of this type of equipment cannot be unfolded, the angle cannot be adjusted, and it does not have a mode switching structure. It can only realize a single mixing function, which has problems such as single function, poor adaptability to working conditions, and limited application scenarios. It is difficult to meet the continuous operation requirements of multi-purpose machines in modern production. Therefore, we provide a horizontal double spiral structure mixing device. Summary of the Invention

[0004] The purpose of this invention is to provide a horizontal double-helix mixing device to solve the problems mentioned in the background art. This type of equipment lacks a mode switching structure and can only perform a single stirring function, resulting in problems such as limited functionality, poor adaptability to working conditions, and limited application scenarios.

[0005] To achieve the above objectives, the present invention provides the following technical solution: A horizontal double-helix mixing device includes a base, a rotating plate rotatably connected to the top of the base, an angle adjustment mechanism between the base and the rotating plate, a sleeve rotatably connected inside the rotating plate, a first housing fixedly connected to one end of the sleeve, a rotating shaft rotatably connected to the inside of the first housing away from the sleeve, a second housing fixedly connected to the outside of the rotating shaft, the second housing cooperating with the first housing, a first spiral blade rotatably connected inside the first housing, a second spiral blade rotatably connected inside the second housing, a cover plate detachably connected between the first and second housings, the first and second housings fixedly connected to the cover plate by a quick-locking mechanism, a first transmission mechanism located on the outside of the first housing away from the cover plate, and a second transmission mechanism located on the outside of the second housing away from the cover plate. When the second housing is fully extended outward around the rotating shaft, the device smoothly switches from a closed-cavity material mixing mode to an inclined material feeding and conveying mode. With the angle adjustment mechanism between the base and the rotating plate, the overall tilt angle of the device can be adjusted in real time. The first transmission mechanism independently drives the first spiral blade to rotate at a constant speed, and the second transmission mechanism independently drives the second spiral blade to rotate at a constant speed.

[0006] Preferably, a feed pipe is fixedly connected to the top of the second housing, and a discharge pipe is fixedly connected to one side of the second housing.

[0007] Preferably, the angle adjustment mechanism includes a fixed seat, which is fixedly connected to the base. A hydraulic rod is rotatably connected to the inner side of the fixed seat, and a support seat is rotatably connected to the output end of the hydraulic rod. A support plate is slidably connected to the inner side of the support seat, and the support plate is fixedly connected to the first housing. Both the support seat and the support plate are arc-shaped structures, and the cross-section of the support plate is T-shaped. When the device switches to the feeding mode, the hydraulic rod extends and retracts, directly driving the first housing and the cooperating second housing to pitch and rotate as a whole via the support seat and the support plate, precisely changing the feeding height and conveying slope. Before the second housing unfolds for operation, the first housing and the second housing, which are in a closed state, need to be rotated upwards by 90 degrees to complete the posture preset. During this action, the arc-shaped support seat and the support plate not only bear the main load-bearing support function.

[0008] Preferably, the first transmission mechanism includes a first gear, which is sleeved on the outside of the sleeve and fixedly connected to the sleeve. A first housing is sleeved on the outside of the sleeve and fixedly connected to a rotating plate. The sleeve and the first housing are rotatably connected. A first servo motor is fixedly connected to the outside of the first housing. The output shaft of the first servo motor passes vertically through the first housing and extends into the inside of the first housing. A second gear is fixedly connected to the output end of the first servo motor and meshes with the first gear. A second servo motor is fixedly connected to the outside of the first housing and located inside the sleeve. The first spiral blade is fixedly connected to the output end of the second servo motor. During operation, after the first servo motor starts, it drives the second gear to rotate synchronously. Through gear meshing, the first gear is driven to rotate as well, thereby driving the entire sleeve to rotate. During the rotation of the sleeve, the first housing and the second housing, which are fixedly connected to it and in a closed fit, are rotated synchronously. The first housing and the second housing in the closed state are rotated upward by 90 degrees to complete the equipment posture adjustment.

[0009] Preferably, the second transmission mechanism includes a third gear, which is sleeved on the outside of the second spiral blade and fixedly connected to the second spiral blade. A second housing is sleeved on the outside of the second spiral blade and fixedly connected to the second housing. The second spiral blade is rotatably connected to the second housing. A third servo motor is fixedly connected to the outside of the second housing. The output shaft of the third servo motor vertically passes through the second housing and extends into the inside of the second housing. A fourth gear is fixedly connected to the output end of the third servo motor. The fourth gear meshes with the third gear. When the third servo motor starts, the fourth gear at the output end rotates synchronously, driving the third gear to rotate together through gear meshing transmission, thereby smoothly driving the second spiral blade to move inside the second housing.

[0010] Preferably, the cover plate is internally rotatably connected to a first spline shaft. There are two first spline shafts, which are symmetrically distributed. Both the first and second spiral blades have spline grooves inside, which cooperate with the first spline shafts. A first sealing gasket is fixedly connected to the outer side of the cover plate near the first spline shaft. A second sealing gasket is fixedly connected to the outer side of both the first and second housings, which cooperate with the first sealing gasket. When the device is in the mixing mode and the cover plate is locked in place, the two sets of first spline shafts on the cover plate can be inserted into the spline grooves at the ends of the corresponding first and second spiral blades, thus achieving coaxial rotational support of the spiral shaft ends. When the device is switched to the feeding mode and the cover plate is disassembled and removed, the first and second housings unfold and align. At this time, the second sealing gaskets on the corresponding end faces of the first and second housings press against each other to form a complete end face sealing structure.

[0011] Preferably, a second spline shaft is slidably connected inside the second spiral blade. The second spline shaft vertically penetrates the second housing and extends to the outside of the second housing. The second spline shaft is slidably connected to the second housing. A magnet is sleeved on the outside of the second spline shaft. The magnet is fixedly connected to the second spline shaft and works in conjunction with the second housing. When the device switches to the feeding mode and the second housing is fully unfolded and in place, the second spline shaft is pushed axially inward, causing it to extend axially from inside the second spiral blade and precisely insert into the pre-set spline groove at the end of the first spiral blade. Through the spline meshing of the second spline shaft and the spline groove, coaxial docking and mutual support between the first and second spiral blades are achieved.

[0012] Preferably, a limiting rod is fixedly connected to the outside of the second housing, and a fixing plate is fixedly connected to the top of the base. A limiting groove is opened inside the fixing plate, and the limiting groove is used in conjunction with the limiting rod. A support block is fixedly connected to the top of the base. When the device is in the mixing and stirring mode, the support block plays a stable auxiliary support role for the entire housing assembly. When the device completes the feeding mode operation and needs to rotate the first and second housings back to the closed state of the mixing mode, the limiting rod on the second housing will gradually enter the limiting groove of the fixing plate as it rotates. The inner wall of the limiting groove will generate a continuous lateral squeezing force on the limiting rod. This squeezing force will push the second housing towards the first housing, forcing the mating end faces of the first and second housings to fit tightly together.

[0013] Preferably, a fourth servo motor is fixedly connected to the top of the first housing, and the rotating shaft is fixedly connected to the output end of the fourth servo motor. A control panel is fixedly connected to the outside of the fixed plate. The hydraulic rod, the first servo motor, the second servo motor, the third servo motor, and the fourth servo motor are all electrically connected to the control panel. The control panel controls the start, stop, and direction of the fourth servo motor to achieve the opening and closing of the second housing. It also regulates the operation of the first servo motor to drive the first and second housings to rotate as a whole to a preset angle. The control panel controls the speed and direction of the second and third servo motors to achieve reverse convection mixing of the first and second spiral blades in the mixing mode and synchronous conveying in the same direction in the feeding mode. The control panel adjusts the extension and retraction of the hydraulic rod to achieve stepless adjustment of the feeding angle of the whole machine.

[0014] Compared with the prior art, the beneficial effects of the present invention are: This horizontal double-helix mixing device employs a hinged two-shell opening and closing structure, coupled with multiple sets of quick-locking mechanisms, spline supports, and magnetic limiting structures. This allows for multi-functional integrated switching between closed material mixing, inclined feeding, and rapid end unloading. In mixing mode, with the cover plate in place and the spline shaft inserted into the spline groove at the end of the helical blades, the two sets of helical blades form a reliable double-end support structure. This effectively prevents problems such as shaft deflection, blade rubbing, and vibration noise during helical blade operation. A double-layer sealing gasket is used for end-face compression and sealing. The lateral compression positioning effect of the limiting rod and the eccentric deflection limiting groove can make the two shells close more tightly, compact the sealing contact surface, and prevent material leakage and dust overflow during the mixing operation. After the cover plate is removed in the feeding mode, the sealing gasket can form a self-sealing protection at the shell opening and docking point to prevent material leakage during the conveying process. At the same time, the support structure can provide auxiliary load-bearing for the closed shell, share the load of the hydraulic rod, reduce the fatigue wear of the angle adjustment mechanism, and make the whole machine highly stable in operation, with excellent sealing protection performance and a durable and reliable overall structure. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the invention in a hybrid mode. Figure 2 This is a schematic diagram of the structure of the first and second housings of the present invention when they are flipped over; Figure 3 This is a schematic diagram of the structure of the second shell of the present invention when it is deployed; Figure 4 This is a schematic diagram of the structure of the invention when it is in the feeding mode; Figure 5 This is a schematic diagram of the structure of the first housing of the present invention; Figure 6 This is a schematic diagram of the structure of the fourth gear of the present invention; Figure 7 This is a schematic diagram of the support base of the present invention; Figure 8 This is a schematic diagram of the cover plate of the present invention; Figure 9 This is a cross-sectional schematic diagram of the second spiral blade of the present invention.

[0016] Explanation of the numbers in the diagram: 1. Base; 2. Rotating plate; 3. Sleeve; 4. First housing; 5. Rotating shaft; 6. Second housing; 7. First spiral blade; 8. Second spiral blade; 9. Cover plate; 10. First transmission mechanism; 11. Second transmission mechanism; 12. Angle adjustment mechanism; 13. Fixed seat; 14. Hydraulic rod; 15. Support seat; 16. Support plate; 17. First gear; 18. First housing cover; 19. First servo motor; 20. Second gear; 21. 21. Third gear; 22. Second housing; 23. Third servo motor; 24. Fourth gear; 25. Second servo motor; 26. First splined shaft; 27. Splined groove; 28. First sealing gasket; 29. ​​Second sealing gasket; 30. Second splined shaft; 31. Magnet; 32. Quick lock; 33. Limiting rod; 34. Fixing plate; 35. Limiting groove; 36. Fourth servo motor; 37. Control panel; 38. Support block; 39. Feed pipe; 40. Discharge pipe. Detailed Implementation

[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] Please see Figures 1 to 9A horizontal double-helix mixing device includes a base 1, a rotating plate 2 rotatably connected to the top of the base 1, an angle adjustment mechanism 12 between the base 1 and the rotating plate 2, a sleeve 3 rotatably connected inside the rotating plate 2, a first housing 4 fixedly connected to one end of the sleeve 3, a rotating shaft 5 rotatably connected to the inside of the first housing 4 away from the sleeve 3, a second housing 6 fixedly connected to the outside of the rotating shaft 5, the second housing 6 cooperating with the first housing 4, a first spiral blade 7 rotatably connected inside the first housing 4, a second spiral blade 8 rotatably connected inside the second housing 6, a cover plate 9 detachably connected between the first housing 4 and the second housing 6, and the first housing 4, the second housing 6, and the cover plate 9 fixedly connected by quick-locking buckles 32. A total of five sets of quick-locking buckles 32 are provided, four sets for connecting and fixing the cover plate 9 to the first housing 4 and the second housing 6, and the other set for connecting and fixing the second housing 6 to the first housing 4 after it is fully extended. A first transmission mechanism is provided on the outside of the first housing 4 away from the cover plate 9. The second transmission mechanism 11 is located on the outer side of the second housing 6 away from the cover plate 9. When the second housing 6 is fully extended outward around the rotation axis 5, the device smoothly switches from the material mixing mode of the closed cavity to the material feeding and conveying mode of the inclined arrangement. With the angle adjustment mechanism 12 between the base 1 and the rotating plate 2, the overall tilt angle of the device can be adjusted in real time, and the feeding height and material conveying tilt angle can be precisely adjusted to meet the feeding needs of different sites and different equipment. When the quick lock 32 is unlocked and the cover plate 9 is removed, the ends of the first housing 4 and the second housing 6 form an open discharge port. The mixed material in the cavity can be directly and smoothly discharged from the end. The discharge throughput is large, there are no dead corners for accumulation, the unloading is thorough, and the cleaning is convenient. One machine takes into account multiple functions such as stirring and mixing, inclined feeding and quick unloading. The first transmission mechanism 10 is used to independently drive the first spiral blade 7 to rotate at a constant speed, and the second transmission mechanism 11 is used to independently drive the second spiral blade 8 to rotate at a constant speed. The two sets of mechanisms do not interfere with each other and have independent power output. The speed and direction can be controlled synchronously by electronic control.

[0019] Specifically, a feed pipe 39 is fixedly connected to the top of the second housing 6, and a discharge pipe 40 is fixedly connected to one side of the second housing 6. The feed pipe 39 is used for the entry of materials in the mixing mode, and the discharge pipe 40 is used for the discharge of materials in the feeding mode.

[0020] Furthermore, the angle adjustment mechanism 12 includes a fixed base 13, which is fixedly connected to the base 1. A hydraulic rod 14 is rotatably connected to the inner side of the fixed base 13, and a support base 15 is rotatably connected to the output end of the hydraulic rod 14. A support plate 16 is slidably connected to the inner side of the support base 15, and the support plate 16 is fixedly connected to the first housing 4. Both the support base 15 and the support plate 16 have an arc-shaped structure, and the cross-section of the support plate 16 is a T-shaped structure. When the device switches to the feeding mode, the hydraulic rod 14 extends and retracts, directly driving the first housing 4 and the cooperating second housing 6 to rotate in pitch via the support base 15 and the support plate 16, thereby realizing stepless adjustment of the overall tilt angle of the device, precisely changing the feeding height and conveying slope, adapting to the feeding requirements of different working conditions, before the second housing 6 is deployed. First, the first housing 4 and the second housing 6, which are in a closed state, need to be rotated upwards by 90 degrees to complete the posture preset. During this action, the arc-shaped support seat 15 and support plate 16 not only bear the main load-bearing support, but also form a motion limit constraint by using the arc track path, limiting the first housing 4 and the second housing 6 to deflect smoothly only along the preset arc trajectory, avoiding shaking, deviation and jamming, making the rotation process of the first housing 4 and the second housing 6 smoother and the force more even. The support plate 16 adopts a T-shaped cross-section structure, which can form a double limit constraint in the radial and lateral directions, effectively offsetting the lateral component force generated during operation and angle adjustment, and preventing the support plate 16 and support seat 15 from separating, misaligning and loosening, which greatly improves the overall structural strength, operation stability and use reliability of the angle adjustment mechanism 12.

[0021] Furthermore, the first transmission mechanism 10 includes a first gear 17, which is sleeved on the outside of the sleeve 3 and fixedly connected to the sleeve 3. A first housing 18 is sleeved on the outside of the sleeve 3 and fixedly connected to the rotating plate 2. The sleeve 3 and the first housing 18 are rotatably connected. A first servo motor 19 is fixedly connected to the outside of the first housing 18. The output shaft of the first servo motor 19 vertically passes through the first housing 18 and extends into the inside of the first housing 18. A second gear 20 is fixedly connected to the output end of the first servo motor 19 and meshes with the first gear 17. A second servo motor 25 is fixedly connected to the outside of the first housing 4 and located inside the sleeve 3. The first spiral blade 7 Fixedly connected to the output end of the second servo motor 25, during operation, after the first servo motor 19 starts, it drives the second gear 20 to rotate synchronously. Through gear meshing transmission, the first gear 17 is driven to rotate as well, thereby driving the entire sleeve 3 to rotate. During the rotation of the sleeve 3, the first housing 4 fixed to it and the second housing 6 in a closed fit are rotated as a whole. The first housing 4 and the second housing 6 in the closed state are rotated upward by 90 degrees to complete the equipment posture adjustment, providing a preset working angle for the subsequent unfolding of the second housing 6 and switching to the feeding and conveying mode. The entire transmission structure is stable. With the controllable speed regulation characteristics of the servo motor, the rotation angle of the first housing 4 and the second housing 6 can be precisely controlled, and the start and stop can be smooth without impact.

[0022] Furthermore, the second transmission mechanism 11 includes a third gear 21, which is sleeved on the outside of the second spiral blade 8 and fixedly connected to the second spiral blade 8. A second housing 22 is sleeved on the outside of the second spiral blade 8 and fixedly connected to the second housing 6. The second spiral blade 8 and the second housing 22 are rotatably connected. A third servo motor 23 is fixedly connected to the outside of the second housing 22. The output shaft of the third servo motor 23 vertically passes through the second housing 22 and extends into the interior of the second housing 22. A fourth gear 24 is fixedly connected to the output end of the third servo motor 23. The fourth gear 24 is connected to the third servo motor 25. The three gears 21 mesh and connect, the third servo motor 23 starts, and the fourth gear 24 at the output end rotates synchronously. Through gear meshing transmission, the third gear 21 is driven to rotate together, thereby smoothly driving the second spiral blade 8 to move inside the second housing 6. The second spiral blade 8 is independently controlled to operate and cooperates with the first spiral blade 7 inside the first housing 4, which is driven by the second servo motor 25. The first spiral blade 7 and the second spiral blade 8 operate synchronously according to the preset speed and direction, tumbling, shearing convection and continuous stirring of the material, so that the material is fully mixed and homogenized, and finally the efficient mixing and stirring of the material is achieved.

[0023] Furthermore, the cover plate 9 is internally rotatably connected to a first spline shaft 26. There are two first spline shafts 26, which are symmetrically distributed. Both the first spiral blade 7 and the second spiral blade 8 have spline grooves 27 inside, which cooperate with the first spline shafts 26. A first sealing gasket 28 is fixedly connected to the outside of the cover plate 9 near the first spline shafts 26. Second sealing gaskets 29 are fixedly connected to the outside of both the first housing 4 and the second housing 6, and they cooperate with the first sealing gasket 28. When the device is in mixed mode and the cover plate 9 is locked in place, the two sets of first spline shafts 26 on the cover plate 9 can be inserted into the spline grooves 27 at the ends of the corresponding first spiral blades 7 and second spiral blades 8. This achieves coaxial rotational support at the spiral shaft ends and limits the circumferential clearance through spline engagement, effectively constraining the radial runout and axial movement of the first spiral blades 7 and second spiral blades 8. This also cooperates with the other ends of the first spiral blades 7 and second spiral blades 8. The drive support structure provides stable support for the first spiral blade 7 and the second spiral blade 8 at both ends throughout the entire process, avoiding problems such as shaft deflection and sagging, blade rubbing, and vibration noise during the mixing operation. This significantly improves the stability and structural reliability of the entire machine. The first sealing gasket 28 and the second sealing gasket 29 are pressed tightly together to form a double-layer sealing structure, completely sealing the gap between the cover plate 9 and the mating end faces of the first housing 4 and the second housing 6. This prevents material leakage and dust overflow during the mixing operation, ensuring the sealing performance of the closed mixing condition. When the device switches to the feeding mode and the cover plate 9 is removed, the first housing 4 and the second housing 6 unfold and align. At this time, the second sealing gaskets 29 on the corresponding end faces of the first housing 4 and the second housing 6 are pressed tightly together to form a complete end face sealing structure, sealing the mating gap at the joint of the two housing sections. This prevents material from leaking or flowing through the joint during the feeding and conveying process, ensuring the airtightness of the conveying channel and the continuity of feeding.

[0024] Furthermore, a second spline shaft 30 is slidably connected inside the second spiral blade 8. The second spline shaft 30 vertically penetrates the second housing 22 and extends to the outside of the second housing 22. The second spline shaft 30 is slidably connected to the second housing 22. A magnet 31 is sleeved on the outside of the second spline shaft 30. The magnet 31 is fixedly connected to the second spline shaft 30 and works in conjunction with the second housing 22. When the device switches to the feeding mode and the second housing 6 is fully unfolded and in place, the second spline shaft 30 is pushed axially inward, causing the second spline shaft 30 to extend axially from inside the second spiral blade 8 and precisely insert into the pre-set spline groove 27 at the end of the first spiral blade 7. Through the spline meshing of the second spline shaft 30 and the spline groove 27, coaxial docking and mutual support between the first spiral blade 7 and the second spiral blade 8 are achieved, compensating for the structural defect of no support at the inner end of the spiral blade after the housing is unfolded. Effectively limiting radial runout, deflection, and axial movement of the spiral shaft during operation, preventing friction and rubbing between the blades and the inner wall of the housing, and ensuring the stability and coaxiality of the spiral blades during material feeding and conveying. Simultaneously with the second spline shaft 30 being pushed into position and completing the insertion, the magnet 31 fixed externally to the second spline shaft 30 moves to a position close to the outer end face of the second housing 22, relying on magnetic attraction to firmly engage with the second housing 22. This magnetic limiting method axially positions and locks the second spline shaft 30, preventing it from slipping or retracting due to vibration or material pushing reaction during equipment operation. No additional locking bolts or clip structures are required to achieve automatic limiting and fixing of the second spline shaft 30 after it has slid into position. The structure is simple, operation is convenient, and limiting is reliable, further improving the operational stability of the overall transmission and support structure during material feeding.

[0025] Furthermore, a limiting rod 33 is fixedly connected to the outside of the second housing 6, and a fixing plate 34 is fixedly connected to the top of the base 1. A limiting groove 35 is opened inside the fixing plate 34, which works in conjunction with the limiting rod 33. A support block 38 is fixedly connected to the top of the base 1. When the device is in the mixing and stirring mode, the first housing 4 and the second housing 6 are in a completely closed state. At this time, the lower surfaces of the first housing 4 and the second housing 6 are tightly attached to the upper surface of the support block 38. The support block 38 plays a stable auxiliary support role for the entire housing assembly, transferring part of the weight to the base 1, effectively sharing the load of the hydraulic rod 14 in the angle adjustment mechanism 12, reducing the working intensity of the hydraulic rod 14, avoiding fatigue damage caused by the hydraulic rod 14 being under high load for a long time, extending the service life of the hydraulic rod 14 and the entire angle adjustment mechanism, and improving the stability of the whole machine in the mixing mode, preventing violent vibration during stirring. The limiting groove 35 is designed as an arc-shaped structure, and its design center is consistent with the axis of the second servo motor 25 to ensure the limiting... When the positioning rod 33 rotates with the second housing 6, it can move approximately along the trajectory of the limiting groove 35. At the same time, the limiting groove 35 itself is slightly deflected relative to the theoretical movement trajectory of the positioning rod 33, forming a small trajectory deviation. When the device completes the feeding mode operation, and the first housing 4 and the second housing 6 need to be rotated back to the closed state of the mixing mode, the positioning rod 33 on the second housing 6 will gradually enter the limiting groove 35 of the fixed plate 34 as it rotates. Since there is a certain deviation between the theoretical movement trajectory of the limiting groove 35 and the positioning rod 33, during the sliding process of the positioning rod 33 along the limiting groove 35, the inner wall of the limiting groove 35 will generate a continuous lateral squeezing force on the positioning rod 33. This squeezing force will push the second housing 6 towards the first housing 4, forcing the mating end faces of the first housing 4 and the second housing 6 to fit tightly together, further compacting the second sealing gasket 29 between them, effectively eliminating the mating gap, ensuring the sealing of the first housing 4 and the second housing 6 in the mixing mode, and preventing material leakage and dust overflow during the mixing process.

[0026] Furthermore, a fourth servo motor 36 is fixedly connected to the top of the first housing 4, and the rotating shaft 5 is fixedly connected to the output end of the fourth servo motor 36. A control panel 37 is fixedly connected to the outside of the fixed plate 34. The hydraulic rod 14, the first servo motor 19, the second servo motor 25, the third servo motor 23, and the fourth servo motor 36 are all electrically connected to the control panel 37. The operator can precisely control the operating status of each component, control the start, stop, and direction of the fourth servo motor 36 through the corresponding buttons or touch commands on the control panel 37, realize the opening and closing of the second housing 6, and control the operation of the first servo motor 19 to drive it. The first housing 4 and the second housing 6 are rotated together to a preset angle, controlling the speed and direction of the second servo motor 25 and the third servo motor 23. This enables the first spiral blade 7 and the second spiral blade 8 to perform reverse convection mixing in the stirring mode and synchronous conveying in the same direction in the feeding mode. The extension and retraction of the hydraulic rod 14 is adjusted to achieve stepless adjustment of the feeding angle of the whole machine. At the same time, the control panel 37 can provide real-time feedback on the operating parameters of each component, making it convenient for operators to monitor the operating status of the equipment in real time, promptly detect and handle abnormalities, improve the convenience, safety and automation of equipment operation, and ensure smooth switching and stable operation of the whole machine under various working conditions.

[0027] The usage steps of this invention are as follows: When this horizontal double-helix mixing device is in use, in the mixing and stirring mode, the first shell 4 and the second shell 6 are completely closed, the quick-lock 32 is locked, and the cover plate 9 is assembled in place. The two first spline shafts 26 symmetrically arranged on the cover plate 9 are inserted into the spline grooves 27 at the ends of the first spiral blade 7 and the second spiral blade 8, forming rotational support for the ends of the first spiral blade 7 and the second spiral blade 8. This, together with the other end drive structure, achieves double-end limiting support. The first sealing gasket 28 on the cover plate 9 and the second sealing gaskets 29 on the first shell 4 and the second shell 6 are pressed tightly together to achieve end face sealing, preventing material leakage and dust overflow during stirring. The material is fed in through the feed pipe 39 at the top of the second shell 6. The second servo motor 25 and the third servo motor 23 drive the first spiral blade 7 and the second spiral blade 8 to rotate in opposite directions at the same speed, respectively, to perform convection tumbling, shearing and mixing of the material, achieving uniform mixing. When the equipment performs a rapid unloading operation, simply unlock the quick-lock 32. Directly remove the cover plate 9 to form an open discharge port at the ends of the first housing 4 and the second housing 6. The mixed material can be discharged smoothly from the end, with no dead corners, thorough unloading, and convenient cleaning. When switching to the tilt feeding mode, remove the cover plate 9 and start the first servo motor 19 through the control panel 37. The sleeve 3 is rotated through the meshing transmission of the second gear 20 and the first gear 17, which rotates the closed first housing 4 and the second housing 6 upward by 90 degrees to complete the posture preset. Then start the fourth servo motor 36, which drives the second housing 6 to fully unfold outward through the rotating shaft 5. A set of quick locks 32 is used to lock and fix the unfolded first housing 4 and the second housing 6. Push the second spline shaft 30 inside the second spiral blade 8 inward so that it is inserted into the spline groove 27 of the first spiral blade 7, realizing the intermediate docking support between the first spiral blade 7 and the second spiral blade 8. The first spiral blade 7 and the second spiral blade 8 are rotated at the same speed and in the same direction by electronic control. The material is discharged from the discharge pipe 40 on one side of the second housing 6.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A horizontal double-helix mixing device, comprising a base (1), characterized in that: A rotating plate (2) is rotatably connected to the top of the base (1). An angle adjustment mechanism (12) is provided between the base (1) and the rotating plate (2). A sleeve (3) is rotatably connected inside the rotating plate (2). A first housing (4) is fixedly connected to one end of the sleeve (3). A rotating shaft (5) is rotatably connected to the side of the first housing (4) away from the sleeve (3). A second housing (6) is fixedly connected to the outside of the rotating shaft (5). The second housing (6) is used in conjunction with the first housing (4). A first spiral blade (7) is rotatably connected inside the first housing (4). A second spiral blade (8) is rotatably connected inside the second housing (6). A cover plate (9) is detachably connected between the first housing (4) and the second housing (6). The first housing (4) and the second housing (6) are fixedly connected to the cover plate (9) by a quick lock (32). A first transmission mechanism (10) is provided on the side of the first housing (4) away from the cover plate (9). A second transmission mechanism (11) is provided on the side of the second housing (6) away from the cover plate (9).

2. The horizontal double-helix mixing device according to claim 1, characterized in that: The top of the second housing (6) is fixedly connected to a feed pipe (39), and the side of the second housing (6) is fixedly connected to a discharge pipe (40).

3. The horizontal double-helix mixing device according to claim 1, characterized in that: The angle adjustment mechanism (12) includes a fixed seat (13), which is fixedly connected to the base (1). A hydraulic rod (14) is rotatably connected to the inner side of the fixed seat (13). A support seat (15) is rotatably connected to the output end of the hydraulic rod (14). A support plate (16) is slidably connected to the inner side of the support seat (15). The support plate (16) is fixedly connected to the first housing (4). Both the support seat (15) and the support plate (16) are arc-shaped structures. The cross-section of the support plate (16) is a T-shaped structure.

4. The horizontal double-helix mixing device according to claim 3, characterized in that: The first transmission mechanism (10) includes a first gear (17), which is sleeved on the outside of the sleeve (3). The first gear (17) is fixedly connected to the sleeve (3). A first housing (18) is sleeved on the outside of the sleeve (3). The first housing (18) is fixedly connected to the rotating plate (2). The sleeve (3) is rotatably connected to the first housing (18). A first servo motor (19) is fixedly connected to the outside of the first housing (18). The output shaft of the first servo motor (19) passes vertically through the first housing (18) and extends into the inside of the first housing (18). A second gear (20) is fixedly connected to the output end of the first servo motor (19). The second gear (20) meshes with the first gear (17). A second servo motor (25) is fixedly connected to the outside of the first housing (4) and inside the sleeve (3). The first spiral blade (7) is fixedly connected to the output end of the second servo motor (25).

5. A horizontal double-helix mixing device according to claim 4, characterized in that: The second transmission mechanism (11) includes a third gear (21), which is sleeved on the outside of the second spiral plate (8). The third gear (21) is fixedly connected to the second spiral plate (8). A second housing (22) is sleeved on the outside of the second spiral plate (8). The second housing (22) is fixedly connected to the second housing (6). The second spiral plate (8) is rotatably connected to the second housing (22). A third servo motor (23) is fixedly connected to the outside of the second housing (22). The output shaft of the third servo motor (23) vertically penetrates the second housing (22) and extends into the inside of the second housing (22). A fourth gear (24) is fixedly connected to the output end of the third servo motor (23). The fourth gear (24) meshes with the third gear (21).

6. The horizontal double-helix mixing device according to claim 1, characterized in that: The cover plate (9) is rotatably connected to a first spline shaft (26). There are two first spline shafts (26), which are symmetrically distributed. The first spiral blade (7) and the second spiral blade (8) are both provided with spline grooves (27). The spline grooves (27) are used in conjunction with the first spline shafts (26). The cover plate (9) is fixedly connected to a first sealing gasket (28) on the side near the first spline shafts (26). The first housing (4) and the second housing (6) are both fixedly connected to a second sealing gasket (29). The second sealing gasket (29) is used in conjunction with the first sealing gasket (28).

7. A horizontal double-helix mixing device according to claim 5, characterized in that: The second spiral blade (8) is internally slidably connected to a second spline shaft (30). The second spline shaft (30) vertically penetrates the second housing (22) and extends to the outside of the second housing (22). The second spline shaft (30) is slidably connected to the second housing (22). A magnet (31) is sleeved on the outside of the second spline shaft (30). The magnet (31) is fixedly connected to the second spline shaft (30). The magnet (31) is used in conjunction with the second housing (22).

8. A horizontal double-helix mixing device according to claim 3, characterized in that: The second housing (6) is fixedly connected to a limiting rod (33) on the outside. The top of the base (1) is fixedly connected to a fixing plate (34). The fixing plate (34) has a limiting groove (35) inside. The limiting groove (35) works in conjunction with the limiting rod (33). The top of the base (1) is fixedly connected to a support block (38).

9. A horizontal double-helix mixing device according to claim 8, characterized in that: The top of the first housing (4) is fixedly connected to a fourth servo motor (36), the rotating shaft (5) is fixedly connected to the output end of the fourth servo motor (36), the outside of the fixed plate (34) is fixedly connected to a control panel (37), and the hydraulic rod (14), the first servo motor (19), the second servo motor (25), the third servo motor (23) and the fourth servo motor (36) are all electrically connected to the control panel (37).

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