Alarm flowmeter mounting structure for polyurethane high-pressure foaming machine

Abstract

The utility model relates to the technical field of foaming machines, and discloses an alarm flow meter mounting structure for a polyurethane high-pressure foaming machine, which comprises a flow meter body, two ends of the flow meter body are fixedly connected with fixing pipes, two ends of the fixing pipes are fixedly connected with fixing flanges, and the end parts of the fixing flanges are provided with connecting pipes. According to the alarm flow meter mounting structure for the polyurethane high-pressure foaming machine, the alignment groove and the alignment block are arranged, when the flow meter body is mounted, the fixing flange and the connecting flange are in alignment insertion connection, the insertion pipe is inserted into the connecting pipe, the protruding edge is inserted into the insertion groove, and the alignment block is inserted into the alignment groove; the contact sealing area of the fixing flange and the connecting flange is large, the sealing effect is good, the first sealing ring, the second sealing ring and the third sealing ring are arranged, the repeated sealing effect is achieved, gaps between the inserting pipe and the connecting pipe and gaps between the inserting groove and the protruding edge are sealed, the sealing effect is good, the sealing rings are made of fluororubber, corrosion resistance and weather resistance are high, and durability is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to foaming machine technical field, concretely is a kind of alarm flowmeter mounting structure for polyurethane high-pressure foaming machine. BACKGROUND

[0002] In the grand scene of modern industrial production, polyurethane material shows extraordinary application value in many fields with its outstanding performance, whether in the field of thermal insulation material, providing efficient heat protection for buildings, or in automotive interiors, improving the comfort experience of driving and riding, or in the furniture manufacturing industry, creating fashionable and durable home products, polyurethane material plays a decisive role, and the performance and stability of polyurethane high-pressure foaming machine, the core key equipment for producing polyurethane products, directly determine the quality level of products and the efficiency of production, in the running process of polyurethane high-pressure foaming machine, accurately controlling the flow of materials is crucial, therefore, real-time monitoring of flow is realized by using flowmeter, once the flow is abnormal, alarm can be sent in time, so that the operator can take corresponding measures quickly to ensure the smooth production.

[0003] Chinese utility model patent publication No. CN219076322U discloses a flowmeter mounting structure for soft polyurethane foaming machine, which installs the pressure ring, the meter head pressure plate and the inflation sealing ring on the pressure plate by using the pressure ring, improves the installation sealing performance of the flowmeter for foaming machine, effectively reduces the flow rate of medium by using the variable diameter pipe, so that the flowmeter measurement is more accurate, the elastic sealing ring installed in the pressure plate sealing groove is sleeved outside the meter head, and the screw bolt connection can effectively prevent the leakage of the flowmeter for foaming machine during use, but the flowmeter mounting structure for soft polyurethane foaming machine needs to use multiple bolts to fix the flowmeter, the installation speed is slow, and the bolts are easy to loosen after long-term use, which is not conducive to long-term stable use. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide an alarm flowmeter mounting structure for polyurethane high-pressure foaming machine, which can effectively solve the problems in the prior art.

[0005] The technical scheme adopted by the utility model is as follows: an alarm flowmeter mounting structure for polyurethane high-pressure foaming machine, comprising a flowmeter body, fixed tubes are fixedly connected at both ends of the flowmeter body, fixed flanges are fixedly connected at both ends of the fixed tubes, a connecting pipe is arranged at the end of the fixed flange, a connecting flange is fixedly connected to the left side of the connecting pipe, a slot is formed in the inner wall of the connecting flange, an alignment block is fixedly connected to the left side of the connecting flange, and a locking assembly is arranged outside the fixed flange and the connecting flange.

[0006] The fixed flange comprises a flange body, a convex edge, a sealing ring I, a sealing ring II, a pipe, an inclined surface, a sealing ring III and a positioning groove, the right side of the flange body is provided with a convex edge, the outer side of the convex edge is connected with a sealing ring I in a sleeved manner, the right side of the convex edge is provided with a sealing ring II, the right side of the convex edge is provided with a pipe, the outer side of the pipe is provided with an inclined surface, the outer side of the pipe is connected with a sealing ring III in a sleeved manner, and the right side of the flange body is provided with a positioning groove.

[0007] Preferably, the positioning groove is matched with the positioning block, the insertion groove is matched with the convex edge, and the pipe is matched with the connecting pipe.

[0008] Through the above technical scheme, the positioning groove and the positioning block are arranged, the fixed flange and the connecting flange are inserted and connected in position during installation of the flowmeter body, the pipe is inserted into the connecting pipe, the convex edge is inserted into the insertion groove, and the positioning block is inserted into the positioning groove. The inclined surface reduces the difficulty of insertion and connection in position, the contact sealing area of the fixed flange and the connecting flange is large, and the sealing effect is good.

[0009] Preferably, the sealing ring I, the sealing ring II and the sealing ring III are all made of fluororubber, and the sealing ring III is provided with two identical sealing rings.

[0010] Through the above technical scheme, the sealing ring I, the sealing ring II and the sealing ring III are arranged, the gaps between the pipe and the connecting pipe and between the insertion groove and the convex edge are sealed, the sealing effect is good, the sealing rings are made of fluororubber and are resistant to corrosion and weathering, and are relatively durable.

[0011] Preferably, the locking assembly comprises a clamp I, a guide inclined groove, a clamp II, a screw rod, a fixed plate, a locking screw rod, a pressing block and a sleeve, the inner wall of the clamp I is provided with a guide inclined groove, the upper side of the clamp I is provided with the clamp II, the upper end of the clamp I is provided with the screw rod, the upper side of the clamp II is provided with the fixed plate, the upper end of the fixed plate is provided with the locking screw rod, the lower end of the locking screw rod is rotatably connected with the pressing block, and the lower end of the pressing block is fixedly connected with the sleeve.

[0012] Through the above technical scheme, the locking assembly is arranged to assist in clamping and fixing the fixed flange and the connecting flange, improve the connection fastening degree and the sealing effect.

[0013] Preferably, the clamp I and the clamp II are the same in structure, and the inner width of the clamp I is the same as the width of the flange body and the connecting flange.

[0014] Through the above technical scheme, the clamp I and the clamp II are arranged, and the clamp I and the clamp II are respectively sleeved on the outer sides of the fixed flange and the connecting flange from below and above during use. The guide inclined groove reduces the difficulty of positioning.

[0015] Preferably, the screw rod and the sleeve are in sliding connection, and the screw rod and the fixed plate are locked and fixed by a nut.

[0016] Through the technical scheme, the screw rod is inserted from the lower end of the hoop one, the fixed plate is inserted from above the screw rod, at this time the sleeve is sleeved outside the screw rod, the fixed plate and the screw rod are locked by using the nut, the sleeve keeps the fixed plate and the hoop two parallel.

[0017] Preferably, the locking screw rod is in threaded connection with the fixed plate, and the lower end of the pressing block is matched with the hoop two.

[0018] Through the technical scheme, the screw rod is inserted from the lower end of the hoop one, the fixed plate is inserted from above the screw rod, at this time the sleeve is sleeved outside the screw rod, the fixed plate and the screw rod are locked by using the nut, the sleeve keeps the fixed plate and the hoop two parallel.

[0019] Compared with the prior art, the utility model provides a kind of warning flow meter mounting structure for polyurethane high-pressure foaming machine, with the following beneficial effects:

[0020] 1、The warning flow meter mounting structure for polyurethane high-pressure foaming machine is provided with alignment groove and alignment block, and the fixed flange and the connecting flange are aligned and inserted during the installation of the flow meter body, the insertion pipe is inserted into the connecting pipe, the convex edge is inserted into the insertion slot, the alignment block is inserted into the alignment groove, the inclined surface reduces the difficulty of alignment and insertion, the contact sealing area of the fixed flange and the connecting flange is large, and the sealing effect is good, the sealing ring one, the sealing ring two and the sealing ring three are provided to achieve multiple sealing effect, the gap between the insertion pipe and the connecting pipe, the insertion slot and the convex edge is sealed, the sealing effect is good, the sealing ring is made of fluorine rubber, which is corrosion-resistant and weather-resistant, and is more durable.

[0021] 2、The warning flow meter mounting structure for polyurethane high-pressure foaming machine is provided with a locking assembly to assist in tightly fixing the fixed flange and the connecting flange, improve the connection fastness and the sealing effect, the hoop one and the hoop two are sleeved outside the fixed flange and the connecting flange from below and above respectively during use, the guide inclined groove reduces the difficulty of alignment, the screw rod is inserted from the lower end of the hoop one, the fixed plate is inserted from above the screw rod, at this time the sleeve is sleeved outside the screw rod, the fixed plate and the screw rod are locked by using the nut, the sleeve keeps the fixed plate and the hoop two parallel, the locking screw rod is rotated to drive the pressing block downward, the pressure is applied to the hoop two, the hoop one and the hoop two gradually approach, until the two hoops tightly fix the fixed flange and the connecting flange, the sealing effect between the two flanges is improved again, the flow meter body is more stable in use, the screw rod mechanism has self-locking property and is not easy to loosen, and is durable and stable, the installation difficulty is low, the installation speed is fast, and the use is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0023] Figure 2 This is an enlarged structural diagram of the fixed flange and the connecting flange of the utility model;

[0024] Figure 3 This is a schematic diagram of the disassembled structure of the fixed flange and the connecting flange of the utility model;

[0025] Figure 4 This is a schematic diagram of the three-dimensional cross-sectional structure of the fixed flange and the connecting flange of the utility model;

[0026] Figure 5 This is a schematic diagram of the disassembled structure of the locking component of the utility model.

[0027] Among them: 1. Flowmeter body; 2. Fixed pipe; 3. Fixed flange; 301. Flange body; 302. Raised edge; 303. Sealing ring 1; 304. Sealing ring 2; 305. Insert; 306. Inclined surface; 307. Sealing ring 3; 308. Alignment groove; 4. Connecting pipe; 5. Connecting flange; 6. Slot; 7. Locking assembly; 701. Clamp 1; 702. Guide inclined groove; 703. Clamp 2; 704. Screw; 705. Fixed plate; 706. Locking screw; 707. Pressure block; 708. Sleeve; 8. Alignment block. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] Example 1: Figures 1-5 As shown, the utility model provides an alarm flow meter mounting structure for a polyurethane high-pressure foaming machine, comprising a flow meter body 1, fixed tubes 2 fixedly connected at both ends of the flow meter body 1, fixed flanges 3 fixedly connected at both ends of the fixed tube 2, a connecting tube 4 provided at the end of the fixed flange 3, a connecting flange 5 fixedly connected to the left side of the connecting tube 4, a slot 6 being provided on the inner wall of the connecting flange 5, an alignment block 8 fixedly connected to the left side of the connecting flange 5, and a locking assembly 7 provided on the outer sides of the fixing flange 3 and the connecting flange 5;

[0030] The fixed flange 3 comprises a flange body 301, a convex edge 302, a sealing ring I 303, a sealing ring II 304, a cannula 305, an inclined surface 306, a sealing ring III 307, and a positioning groove 308. The flange body 301 is provided with the convex edge 302 on the right side. The convex edge 302 is externally sleeved and connected with the sealing ring I 303. The convex edge 302 is provided with the sealing ring II 304 on the right side. The convex edge 302 is provided with the cannula 305 on the right side. The cannula 305 is externally provided with the inclined surface 306. The cannula 305 is externally sleeved and connected with the sealing ring III 307. The flange body 301 is provided with the positioning groove 308 on the right side.

[0031] Specifically, the positioning groove 308 is matched with the positioning block 8, the insertion slot 6 is matched with the convex edge 302, and the cannula 305 is matched with the connecting pipe 4. The positioning groove 308 and the positioning block 8 are arranged. When the flowmeter body 1 is installed, the fixed flange 3 and the connecting flange 5 are inserted and connected in position. The cannula 305 is inserted into the connecting pipe 4. The convex edge 302 is inserted into the insertion slot 6. The positioning block 8 is inserted into the positioning groove 308. The inclined surface 306 reduces the difficulty of insertion and connection in position. The contact sealing area of the fixed flange 3 and the connecting flange 5 is large, and the sealing effect is good.

[0032] Specifically, the sealing ring I 303, the sealing ring II 304, and the sealing ring III 307 are all made of fluorine rubber, and the sealing ring III 307 is provided with two identical ones. The sealing ring I 303, the sealing ring II 304, and the sealing ring III 307 are arranged. The gap between the cannula 305 and the connecting pipe 4 and the gap between the insertion slot 6 and the convex edge 302 are sealed, the sealing effect is good, the sealing ring is made of fluorine rubber, the corrosion resistance and weather resistance are strong, and it is relatively durable.

[0033] Embodiment two: as shown in the following table, which is an improvement on the previous embodiment. Figures 2-5

[0034] Specifically, the locking assembly 7 comprises a clamp I 701, a guide inclined groove 702, a clamp II 703, a screw rod 704, a fixed plate 705, a locking lead screw 706, a pressing block 707, and a sleeve 708. The guide inclined groove 702 is formed in the inner wall of the clamp I 701. The clamp II 703 is arranged above the clamp I 701. The screw rod 704 is arranged at the upper end of the clamp I 701. The fixed plate 705 is arranged above the clamp II 703. The locking lead screw 706 is arranged at the upper end of the fixed plate 705. The pressing block 707 is rotatably connected to the lower end of the locking lead screw 706. The sleeve 708 is fixedly connected to the lower end of the pressing block 707. The locking assembly 7 is arranged to assist in clamping and fixing the fixed flange 3 and the connecting flange 5, improve the connection fastening degree, and improve the sealing effect.

[0035] ​Specific, the structure of the clamp one 701 and the clamp two 703 is the same, the internal width of the clamp one 701 is the same as the width of the flange body 301 and the connecting flange 5. The advantage is that the clamp one 701 and the clamp two 703 are arranged, and in use, the clamp one 701 and the clamp two 703 are respectively sleeved on the outer side of the fixed flange 3 and the connecting flange 5 from below and above, and the guide inclined groove 702 reduces the difficulty of alignment.

[0036] Specifically, the screw rod 704 is in sliding connection with the sleeve 708, and the screw rod 704 is locked and fixed with the fixed plate 705 through a nut. The advantage is that the screw rod 704 is inserted from the lower end of the clamp one 701, and the fixed plate 705 is inserted from above the screw rod 704. At this time, the sleeve 708 is sleeved on the outer side of the screw rod 704, and the fixed plate 705 and the screw rod 704 are locked by using a nut. The sleeve 708 makes the fixed plate 705 and the clamp two 703 keep parallel.

[0037] Specifically, the locking screw rod 706 is in threaded connection with the fixed plate 705, and the lower end of the pressing block 707 is matched with the clamp two 703. The advantage is that rotating the locking screw rod 706 drives the pressing block 707 downward to apply pressure to the clamp two 703, so that the clamp one 701 and the clamp two 703 gradually approach each other until the two clamps tightly clamp and fix the fixed flange 3 and the connecting flange 5, thereby improving the sealing effect between the two flanges again, making the flowmeter body 1 more stable in use, and the screw rod mechanism has self-locking property and is not easy to loosen, and has strong durability.

[0038] Working principle: in use, the fixed flange 3 and the connecting flange 5 are aligned and inserted, the insertion pipe 305 is inserted into the connecting pipe 4, the convex edge 302 is inserted into the insertion slot 6, the alignment block 8 is inserted into the alignment slot 308, the inclined surface 306 reduces the difficulty of alignment and insertion, the contact sealing area of the fixed flange 3 and the connecting flange 5 is large, and the sealing effect is good. The sealing ring one 303, the sealing ring two 304 and the sealing ring three 307 are arranged to achieve multiple sealing effect. The gap between the insertion pipe 305 and the connecting pipe 4, the insertion slot 6 and the convex edge 302 is sealed, and the sealing effect is good. The sealing ring is made of fluorine rubber, which has strong corrosion resistance and weather resistance, and is relatively durable. The clamp one 701 and the clamp two 703 are respectively sleeved on the outer side of the fixed flange 3 and the connecting flange 5 from below and above, and the guide inclined groove 702 reduces the difficulty of alignment. The screw rod 704 is inserted from the lower end of the clamp one 701, and the fixed plate 705 is inserted from above the screw rod 704. At this time, the sleeve 708 is sleeved on the outer side of the screw rod 704, and the fixed plate 705 and the screw rod 704 are locked by using a nut. The sleeve 708 makes the fixed plate 705 and the clamp two 703 keep parallel. Rotating the locking screw rod 706 drives the pressing block 707 downward to apply pressure to the clamp two 703, so that the clamp one 701 and the clamp two 703 gradually approach each other until the two clamps tightly clamp and fix the fixed flange 3 and the connecting flange 5, thereby improving the sealing effect between the two flanges again, making the flowmeter body 1 more stable in use, and the screw rod mechanism has self-locking property and is not easy to loosen, and has strong durability.

[0039] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A mounting structure for an alarm flowmeter for a polyurethane high-pressure foaming machine, comprising a flowmeter body (1), characterized in that: The flow meter body (1) is fixedly connected to fixed pipes (2) at both ends, fixed flanges (3) are fixedly connected to both ends of the fixed pipe (2), a connecting pipe (4) is provided at the end of the fixed flange (3), a connecting flange (5) is fixedly connected to the left side of the connecting pipe (4), a slot (6) is provided on the inner wall of the connecting flange (5), a positioning block (8) is fixedly connected to the left side of the connecting flange (5), and a locking assembly (7) is provided on the outer sides of the fixed flange (3) and the connecting flange (5); The fixed flange (3) comprises a flange body (301), a convex edge (302), a sealing ring 1 (303), a sealing ring 2 (304), a plug (305), a bevel (306), a sealing ring 3 (307) and an alignment groove (308). The flange body (301) is provided with a convex edge (302) on the right side, the outer side of the convex edge (302) is connected to the sealing ring 1 (303), the right side of the convex edge (302) is provided with a sealing ring 2 (304), the right side of the convex edge (302) is provided with a plug (305), the outer side of the plug (305) is provided with a bevel (306), the outer side of the plug (305) is connected to the sealing ring 3 (307), and the right side of the flange body (301) is provided with an alignment groove (308).

2. The alarm flow meter mounting structure for a polyurethane high-pressure foaming machine according to claim 1, characterized in that: The alignment groove (308) is matched with the alignment block (8), the slot (6) is matched with the convex edge (302), and the insertion tube (305) is matched with the connecting tube (4).

3. The installation structure of an alarm flow meter for a polyurethane high-pressure foaming machine according to claim 1, characterized in that: The sealing ring 1 (303), the sealing ring 2 (304) and the sealing ring 3 (307) are all made of fluororubber, and the sealing ring 3 (307) is provided with two identical ones.

4. The alarm flow meter mounting structure for a polyurethane high-pressure foaming machine according to claim 1, characterized in that: The locking assembly (7) comprises a clamp (701), a guide bevel groove (702), a clamp (703), a screw (704), a fixing plate (705), a locking screw (706), a pressure block (707) and a sleeve (708). The inner wall of the clamp (701) is provided with a guide bevel groove (702). The clamp (701) is provided with a clamp (703) above the clamp (701). The upper end of the clamp (701) is provided with a screw (704). The clamp (703) is provided with a fixing plate (705) above the clamp (703). The upper end of the fixing plate (705) is provided with a locking screw (706). The lower end of the locking screw (706) is rotatably connected to the pressure block (707). The lower end of the pressure block (707) is fixedly connected to the sleeve (708).

5. The installation structure of an alarm flow meter for a polyurethane high-pressure foaming machine according to claim 4, characterized in that: The structure of the clamp 1 (701) and the clamp 2 (703) is the same, and the internal width of the clamp 1 (701) is the same as the width of the flange body (301) and the connecting flange (5).

6. The installation structure of an alarm flow meter for a polyurethane high-pressure foaming machine according to claim 5, characterized in that: The screw rod (704) and the sleeve (708) are in sliding connection, and the screw rod (704) and the fixing plate (705) are fixed by locking with a nut.

7. The installation structure of an alarm flow meter for a polyurethane high-pressure foaming machine according to claim 6, characterized in that: The locking screw (706) is threadedly connected to the fixing plate (705), and the lower end of the pressing block (707) is adapted to the second clamp (703).

Images