High-pressure mixing head convenient to install
By introducing a servo motor-driven worm gear mechanism and adjustment disc into the high-pressure mixing head, the nozzle can be quickly replaced and sealed, solving the problem of cumbersome disassembly when the nozzle is blocked or damaged, and improving the continuity and efficiency of the production line.
Patent Information
- Application Number
- CN202423148108.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-20
AI Technical Summary
When the nozzle of the existing high-pressure mixing head is blocked or damaged, the disassembly and replacement process is cumbersome, which may cause the production line to stop, affecting production efficiency and continuity.
A high-pressure mixing head that is easy to install is designed. It adopts a worm gear mechanism and adjustment plate driven by a servo motor to achieve quick nozzle replacement. The sealing effect is ensured by a sealing soft ring, allowing for rapid switching to a backup nozzle when the nozzle is blocked or damaged.
It reduces production downtime, improves production line continuity and efficiency, lowers maintenance costs due to downtime, and ensures the stability and safety of the production process.
Smart Images

Figure CN223589898U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to high pressure mixing head technical field, specifically speaking is a kind of high pressure mixing head of easy installation. BACKGROUND
[0002] High pressure mixing head is the core component of polyurethane high pressure foaming machine, for the raw material is mixed sufficiently, to obtain the best foaming effect, high pressure mixing head mainly has the following components: big piston and control cylinder (cleaning piston), small piston and control cylinder (control piston), mixing chamber, gun nozzle, nozzle assembly, big / small piston proximity switch, principle and hydraulic pipeline.
[0003] The high pressure mixing head in the prior art needs to extrude the mixed raw material through the gun nozzle when discharging, and when the gun nozzle discharge port is blocked or the gun nozzle is damaged, the gun nozzle needs to be disassembled and then a new one is installed, the spray handle is held first, then the cap is pulled back and off, until a specific sound indicates that the mixing chamber is withdrawn from the card slot, then the mixing chamber can be quickly taken out upward, and after disassembling the gun nozzle, the new gun nozzle needs to be correctly and firmly installed on the mixing head.
[0004] Because the disassembly and replacement process is relatively complicated, more time may be needed for disassembly and installation, and if the replacement cannot be done in time, the production line will be closed and the equipment will be shut down, which will affect the normal operation and efficiency of the production line, therefore, a high pressure mixing head easy to install is proposed to solve the above problems. INVENTION CONTENTS
[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background art, the utility model provides a high pressure mixing head easy to install.
[0006] The utility model discloses a kind of high pressure mixing heads easy to install, including high pressure mixing head main body and raw material mixing chamber main body, the raw material mixing chamber main body is installed in high pressure mixing head main body bottom;The raw material mixing chamber main body bottom is rotatably connected with connecting shaft;The raw material mixing chamber main body bottom is installed with fixed frame;Fixed frame is rotatably connected with driving shaft;Driving shaft is installed with worm;Worm is meshed with worm wheel on one side;Worm wheel is installed on connecting shaft;Connecting shaft bottom is installed with adjusting disc;Two first screw grooves are formed in adjusting disc;Gun nozzle is screw-connected in first screw groove;Raw material mixing chamber main body bottom is installed with discharge pipe;Discharge pipe and one of gun nozzle are overlapped;One end of driving shaft is connected with first servo motor.
[0007] Preferably, two sealing grooves are formed on the adjusting disc; a sealing assembly is arranged at the bottom of the raw material mixing bin; the sealing assembly comprises a first threaded rod and a first guide rod; the first threaded rod is rotatably connected to the bottom of the raw material mixing bin; the first guide rod is installed on the raw material mixing bin body; a connecting plate is rotatably connected to the bottom of the first threaded rod; one end of the connecting plate is installed on a fixing frame; a bevel gear two is installed on the bottom of the first threaded rod; a bevel gear one is meshingly connected to one side of the bevel gear two; a rotating shaft is connected to the bevel gear one; the end of the rotating shaft, away from the bevel gear one, is connected to a worm.
[0008] Preferably, the same sliding frame is connected to the first threaded rod and the first guide rod; the sliding frame is threadedly connected and slidably connected to the first threaded rod and the first guide rod at two ends; a sealing soft ring is installed on the sliding frame; the sealing soft ring is sleeved on the discharge pipe; the bottom of the sealing soft ring is clamped in one of the sealing grooves.
[0009] Preferably, a motor mounting frame is installed on the first servo motor; the first servo motor is installed on one side of the raw material mixing bin body through the motor mounting frame.
[0010] Preferably, four mounting rods are installed on the high-pressure mixing head body; the same rubber soft plate is installed on the four mounting pipes.
[0011] Preferably, a mounting plate is installed on the high-pressure mixing head body; four mounting holes are formed on the mounting plate.
[0012] The high-pressure mixing head has the advantages that:
[0013] The high-pressure mixing head allows quick switching to a standby gun nozzle when the gun nozzle is blocked or damaged, without the need to close the production line for replacement, which greatly reduces the production interruption time and improves the continuity and efficiency of the production line.
[0014] The high-pressure mixing head has the advantages that: the sealing soft ring can be closely attached to the discharge pipe through accurate control of the rotating angle of the adjusting disc, effectively reducing material leakage; when the protruding part of the sealing soft ring is clamped into the sealing groove of the adjusting disc, the sealing effect is further enhanced, ensuring the stability and safety of the production process. BRIEF DESCRIPTION OF DRAWINGS
[0015] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application. The schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application.
[0016] In the drawings:
[0017] Figure 1 is the overall perspective view of the utility model;
[0018] Figure 2 is the perspective view of the raw material mixing bin body in the utility model;
[0019] Figure 3 is the perspective view of the adjusting disc in the utility model;
[0020] Figure 4 is the perspective view of the adjusting disc section in the utility model;
[0021] Figure 5 is the perspective view of the utility model Figure 4 A enlarged perspective view.
[0022] Legend:
[0023] 1, high pressure mixing head main body; 2, raw material mixing bin body; 3, connecting shaft; 4, first servo motor; 5, motor mounting frame; 6, drive shaft; 7, worm; 8, worm gear; 9, fixed frame; 10, adjusting disc; 11, gun nozzle; 12, discharge pipe; 13, first threaded groove; 141, connecting plate; 142, rotating shaft; 143, bevel gear one; 144, bevel gear two; 145, sliding frame; 146, first guide rod; 147, sealing soft ring; 148, first threaded rod; 15, sealing groove; 16, mounting plate; 17, mounting hole; 18, mounting rod; 19, rubber soft plate. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0025] The specific embodiments are given below.
[0026] Please refer to Figures 1-5The utility model provides a high pressure mixing head convenient to install, including high pressure mixing head main body 1 and raw material mixing bin main body 2, raw material mixing bin main body 2 installs high pressure mixing head main body 1 bottom, raw material mixing bin main body 2 bottom rotatable connection has connecting shaft 3, raw material mixing bin main body 2 bottom is equipped with fixed frame 9, fixed frame 9 is rotatably connected with drive shaft 6, drive shaft 6 is equipped with worm 7, one side of worm 7 is connected with worm wheel 8, worm wheel 8 is installed on connecting shaft 3, connecting shaft 3 bottom is equipped with adjusting disc 10, two first screw grooves 13 are set up on adjusting disc 10, screw groove 13 is screw connected with the nozzle 11 in, raw material mixing bin main body 2 bottom is equipped with the discharge pipe 12, the discharge pipe 12 is overlapped with one of the nozzle 11, the one end of drive shaft 6 is connected with first servo motor 4, when working, first servo motor 4 drives drive shaft 6 to rotate, drive shaft 6 rotates on fixed frame 9 and drives the rotation of worm 7 connected with it, worm 7 drives the rotation of worm wheel 8 connected with it, worm wheel 8 drives the rotation of connecting shaft 3 connected with it, connecting shaft 3 drives the rotation of adjusting disc 10 at the bottom, adjusting disc 10 drives the rotation of nozzle 11 connected with it by screwing, rotates 180 degrees clockwise, so that the other side spare nozzle 11, rotates to the discharge pipe 12 below, so that the discharge pipe 12 is aligned with the spare nozzle 11, the sealing gasket is installed at the discharge pipe 12 bottom and the nozzle 11 junction, simultaneously sealing assembly on adjusting disc 10 rotates while sealing soft ring 147 rises simultaneously, so that sealing soft ring 147 is separated from sealing groove 15, the spare nozzle 11 is connected with the discharge pipe 12, and the discharge is carried out, so that when the nozzle 11 is blocked or damaged, the emergency discharge can be carried out by switching to the other side spare nozzle 11, solves when the nozzle 11 is blocked or damaged, if cannot replace in time, will close production line and stop, and then will influence the normal operation and efficiency of production line, because of the existence of spare nozzle 11, the production line does not have to stop running completely because of the failure of single nozzle 11, this reduces the cost produced because of shutdown maintenance, and reduces the production loss caused by failure, the high pressure mixing head allows switching to spare nozzle 11 when nozzle 11 is blocked or damaged, does not need to close production line and stop replacement, this greatly reduces the time of production interruption, improves the continuity and efficiency of production line,
[0027] After installing the spare nozzle 11, the damaged nozzle 11 on one side is disassembled, the adjusting disc 10 is screw connected with the nozzle 11 through the first screw groove 13, the new nozzle 11 is screw connected in the first screw groove 13 to complete the installation of the new nozzle 11, the adjusting disc 10 is reversely rotated 180 degrees, the emergency nozzle 11 is replaced, and the nozzle 11 connected with the main discharge pipe 12 is installed on the discharge pipe 12, and the sealing soft ring 147 on the sealing assembly is synchronously clamped in the sealing groove 15.
[0028] Furthermore, such as Figures 3-5 As shown, the adjusting plate 10 has two sealing grooves 15; a sealing assembly is provided at the bottom of the raw material mixing chamber; the sealing assembly includes a first threaded rod 148 and a first guide rod 146; the top of the first threaded rod 148 is rotatably connected to the bottom of the raw material mixing chamber; the top of the first guide rod 146 is mounted on the main body 2 of the raw material mixing chamber; a connecting plate 141 is rotatably connected to the bottom of the first threaded rod 148; one end of the connecting plate 141 is mounted on the fixing frame 9; a second bevel gear 144 is mounted at the bottom of the first threaded rod 148; a first bevel gear 143 is meshed on one side of the second bevel gear 144; a rotating shaft 142 is connected to the first bevel gear 143; the end of the rotating shaft 142 away from the first bevel gear 143 is connected to the worm gear 7; during operation, the first servo motor 4 drives the drive shaft 6, worm gear 7, worm wheel 8, and connecting shaft 3 to rotate the adjusting plate 10 clockwise by 180 degrees. The drive shaft 6 drives the rotating shaft 142 to rotate, which in turn drives the connected bevel gear 143 to rotate. The bevel gear 143 drives the connected bevel gear 144 to rotate, and the connected bevel gear 144 drives the connected first threaded rod 148 to rotate on the connecting plate 141. The first threaded rod 148 drives the connected sliding frame 145 to move upward. The other side of the sliding frame 145 slides on the first guide rod 146, which in turn drives the connected sealing soft ring 147 to slide on the discharge pipe 12, so that the sealing soft ring 147 is disengaged from the sealing groove 15, making it easier for the spare nozzle 11 to connect to the discharge pipe 12. When the nozzle 11 on the other side is installed, the adjusting plate 10 rotates counterclockwise by 170 degrees to align the sealing soft ring 147 with the discharge pipe 12. The adjusting plate 10 then rotates by 10 degrees so that the protruding part of the sealing soft ring 147 is engaged in the sealing groove 15 of the adjusting plate 10, improving its sealing performance.
[0029] Furthermore, such as Figures 4-5 As shown, the first threaded rod 148 and the first guide rod 146 are connected to the same sliding frame 145; the two ends of the sliding frame 145 are respectively threaded and slidably connected to the first threaded rod 148 and the first guide rod 146; a sealing soft ring 147 is installed on the sliding frame 145; the sealing soft ring 147 is sleeved on the discharge pipe 12; the bottom of the sealing soft ring 147 is engaged in one of the sealing grooves 15; during operation, the sliding frame 145 drives the sealing ring 147 to slide on the discharge pipe 12 through the first threaded rod 148 and the first guide rod 146, so that the sealing soft ring 147 is disengaged from the sealing groove 15, which facilitates alignment when changing to the spare nozzle 11 and reduces the impact on the discharge of the spare nozzle 11.
[0030] Furthermore, such as Figures 1-2As shown, the first servo motor 4 is mounted with a motor mounting bracket 5; the first servo motor 4 is mounted on one side of the raw material mixing bin body 2 through the motor mounting bracket 5; four mounting rods 18 are mounted on the high-pressure mixing head body 1; the same rubber soft plate 19 is mounted on the four mounting tubes; the first servo motor 4 can be installed on the raw material mixing bin body 2 through the motor mounting bracket 5, and the rubber soft plate 19 of the high-pressure mixing head body 1, so that on the side where the rubber soft plate 19 is installed, the impact force is slowed down when a collision occurs, protecting the high-pressure mixing head body 1 from impact damage.
[0031] Further, as shown in the drawings, Figure 1 As shown, the high-pressure mixing head body 1 is mounted with a mounting plate 16; four mounting holes 17 are formed in the mounting plate 16; during work, external bolts are mounted in the mounting holes 17 on the mounting plate 16, thereby fixing the entire device, facilitating installation by workers.
[0032] Working principle: during work, the first servo motor 4 drives the driving shaft 6 to rotate, the driving shaft 6 rotates on the fixed frame 9 and in turn drives the worm 7 connected thereto to rotate, the worm 7 drives the worm gear 8 connected therewith to rotate, the worm gear 8 drives the connecting shaft 3 connected thereto to rotate, the connecting shaft 3 drives the bottom adjusting disc 10 to rotate, the adjusting disc 10 drives the gun nozzle 11 connected therewith by threads to rotate, rotates 180 degrees clockwise, so that the other side standby gun nozzle 11 rotates to the lower side of the discharge pipe 12, so that the discharge pipe 12 is aligned with the standby gun nozzle 11, and the sealing gasket is installed at the bottom of the discharge pipe 12 and the connection between the gun nozzle 11, at the same time, the sealing soft ring 147 on the sealing assembly rises at the same time as the adjusting disc 10 rotates, so that the sealing soft ring 147 is separated from the sealing groove 15, facilitating the connection of the standby gun nozzle 11 with the discharge pipe 12 for discharging, so that when the gun nozzle 11 is blocked or damaged, the standby gun nozzle 11 can be used for emergency discharge, solving the problem that if the gun nozzle 11 is blocked or damaged and cannot be replaced in time, the production line will be shut down for maintenance, thereby affecting the normal operation and efficiency of the production line; due to the existence of the standby gun nozzle 11, the production line does not have to stop running completely due to the failure of a single gun nozzle 11, which reduces the cost caused by downtime maintenance and reduces the production loss caused by failure. The high-pressure mixing head allows quick switching to the standby gun nozzle 11 when the gun nozzle 11 is blocked or damaged, without the need to shut down the production line for replacement, which greatly reduces the time of production interruption and improves the continuity and efficiency of the production line.
[0033] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. A high-pressure mixing head for easy installation, comprising a high-pressure mixing head main body (1) and a raw material mixing bin main body (2), characterized in that: The raw material mixing bin body (2) is installed at the bottom of the high-pressure mixing head body (1); the raw material mixing bin body (2) is rotationally connected with a connecting shaft (3) at the bottom; the raw material mixing bin body (2) is installed with a fixing frame (9) at the bottom; the fixing frame (9) is rotationally connected with a driving shaft (6); the driving shaft (6) is installed with a worm (7); the worm (7) is meshingly connected with a worm wheel (8) at one side; the worm wheel (8) is installed on the connecting shaft (3); the connecting shaft (3) is installed with an adjusting disc (10) at the bottom; the adjusting disc (10) is provided with two first threaded grooves (13); the first threaded grooves (13) are threadedly connected with a nozzle (11); the raw material mixing bin body (2) is installed with a discharge pipe (12) at the bottom; the discharge pipe (12) is overlapped with one of the nozzles (11); one end of the driving shaft (6) is connected with a first servo motor (4).
2. A high pressure mixing head for easy installation as claimed in claim 1 wherein: The adjusting disc (10) is provided with two sealing grooves (15); the raw material mixing bin is provided with a sealing assembly at the bottom; the sealing assembly comprises a first threaded rod (148) and a first guide rod (146); the first threaded rod (148) is rotationally connected at the top of the raw material mixing bin at the bottom; the first guide rod (146) is installed on the raw material mixing bin body (2) at the top; the first threaded rod (148) is rotationally connected with a connecting plate (141) at the bottom; one end of the connecting plate (141) is installed on the fixing frame (9); the first threaded rod (148) is installed with a bevel gear two (144) at the bottom; the bevel gear two (144) is meshingly connected with a bevel gear one (143) at one side; the bevel gear one (143) is connected with a rotating shaft (142); the rotating shaft (142) is connected with the worm (7) at the end away from the bevel gear one (143).
3. A high pressure mixing head for easy installation as claimed in claim 2 wherein: The first threaded rod (148) and the first guide rod (146) are connected with the same sliding frame (145); the two ends of the sliding frame (145) are threadedly connected and slidingly connected with the first threaded rod (148) and the first guide rod (146) respectively; the sliding frame (145) is installed with a sealing soft ring (147); the sealing soft ring (147) is sleeved on the discharge pipe (12); the sealing soft ring (147) is clamped in one of the sealing grooves (15) at the bottom.
4. A high pressure mixing head for easy installation as in claim 1, wherein: The first servo motor (4) is installed with a motor mounting frame (5); the first servo motor (4) is installed on one side of the raw material mixing bin body (2) through the motor mounting frame (5).
5. A high pressure mixing head for easy installation as in claim 1, wherein: The high-pressure mixing head body (1) is installed with four mounting rods (18); the four mounting rods are installed with the same rubber soft plate (19).
6. A high pressure mixing head for easy installation as in claim 1, wherein: The high-pressure mixing head body (1) is installed with a mounting plate (16); the mounting plate (16) is provided with four mounting holes (17).