Nodular cast iron pipe die
The L-shaped connecting rod and threaded rod mechanism clamps and fixes the ductile iron pipe mold, solving the problem of detachment caused by centrifugal force during production. The drum fan cooling mechanism ensures stable production and convenient operation.
Patent Information
- Application Number
- CN202520419691.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-11
AI Technical Summary
In the production of ductile iron pipes, existing equipment has a problem where the pipe mold may fall off due to the centrifugal force generated by rotation.
The L-shaped connecting rod and threaded rod mechanism are used. The threaded rod drives the fixed block and the L-shaped connecting rod to move around the fixed axis to achieve clamping and fixing of the tube mold, and combined with the drum fan for cooling.
It achieves stable clamping of the tube mold, prevents it from falling off, and effectively cools it during rotation, simplifying demolding and cleaning operations.
Smart Images

Figure CN223902879U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the nodular cast iron pipe technical field, especially, relate to a nodular cast iron pipe pipe mould. BACKGROUND
[0002] Nodular cast iron is the cast iron of globular graphite through spheroidizing and inoculation treatment, effectively improves the mechanical property of cast iron, especially improves plasticity and toughness, thereby obtains the strength higher than carbon steel. Nodular cast iron is a kind of high-strength cast iron material developed in the 1950s, and its comprehensive performance is close to steel, and it has been successfully used to cast some parts with complex stress, high strength, toughness and wear resistance, so-called "iron instead of steel", mainly refers to nodular cast iron:
[0003] The existing equipment is used, nodular cast iron pipe production needs to rotate, rotates and can produce larger centrifugal force, if not to the pipe mould clamping fixed, possibly lead to pipe mould from the equipment off, therefore we propose a kind of nodular cast iron pipe pipe mould. UTILITY MODEL CONTENTS
[0004] The utility model discloses a kind of nodular cast iron pipe pipe mould, through L-shaped connecting rod, it solves the existing equipment in use, since nodular cast iron pipe production needs to rotate, rotates and can produce larger centrifugal force, if not to the pipe mould clamping fixed, possibly lead to pipe mould from the equipment off Problem.
[0005] To solve the above technical problems, the utility model is realized by the following technical solutions:
[0006] The utility model discloses a kind of nodular cast iron pipe pipe mould, including bottom plate, the outer wall of the bottom plate is fixedly connected with support frame, the inner wall of the end of the bottom plate away from support frame is equipped with sliding slot, the inner wall of the sliding slot is slidably connected with support frame two, the inner wall of support frame and support frame two is all rotatably connected with support rod, the outer wall of the bottom plate is fixedly connected with wind box, the outer wall of the support rod is provided with support mechanism;
[0007] The support mechanism comprises a plurality of threaded rods, outer walls of the threaded rods are rotationally connected with inner walls of the support rods, outer walls of one ends of the threaded rods away from the support rods are rotationally connected with threaded rod sleeves, outer walls of the threaded rod sleeves on the left side are fixedly connected with gear plates, outer walls of one ends of the threaded rod sleeves away from the gear plates are fixedly connected with fixed blocks, outer walls of the fixed blocks are fixedly connected with a plurality of fixed shafts, outer walls of the fixed shafts are rotationally connected with L-shaped connecting rods, outer walls of one ends of the fixed shafts close to the second fixed shafts are fixedly connected with a plurality of second fixed shafts, inner walls of the second fixed shafts on the inner side are rotationally connected with inner walls of the L-shaped connecting rods, outer walls of the second fixed shafts are rotationally connected with connecting rods, inner walls of one ends of the connecting rods away from the second fixed shafts are rotationally connected with third fixed shafts, outer walls of the third fixed shafts are fixedly connected with support blocks, outer walls of the support blocks are slidably connected with pipe molds, the pipe molds are provided with feeding openings in inner walls thereof, outer walls of one ends of the pipe molds away from the gear plates are fixedly connected with sealing plates, and outer walls of the bottom plate are provided with cooling mechanisms.
[0008] Further, the cooling mechanism comprises a motor, and outer walls of the motor are fixedly connected with outer walls of the bottom plate.
[0009] Further, a bottom output end of the motor is fixedly connected with a transmission shaft through a shaft coupling, outer walls of one ends of the transmission shaft away from the motor are fixedly connected with a second gear plate, and outer walls of the second gear plate are engaged with outer walls of the gear plate.
[0010] Further, outer walls of the support rods on the left side are fixedly connected with belt pulleys, and outer walls of the belt pulleys are drivingly connected with belts.
[0011] Further, one end of the belt away from the belt pulley is drivingly connected with a second belt pulley, an inner wall of the second belt pulley is fixedly connected with a second transmission shaft, and outer walls of the second transmission shaft are rotationally connected with inner walls of the bellows.
[0012] Further, outer walls of the second transmission shaft are fixedly connected with a drum fan, and inner walls of the second support frame are fixedly connected with a limiting shaft.
[0013] Further, outer walls of the limiting shaft are rotationally connected with third pull rods, and inner walls of the third pull rods are rotationally connected with brush rods.
[0014] Further, inner walls of the second support frame are rotationally connected with second threaded rods, and outer walls of the second threaded rods are rotationally connected with inner walls of the bottom plate.
[0015] The utility model has the following beneficial effects:
[0016] 1. The utility model discloses a threaded rod is set, when the equipment needs to use, rotates threaded rod and can drive threaded rod sleeve movement makes fixed block movement, because the support rod has fixed the position of gear plate, when fixed block movement will drive L shaped connecting rod around fixed shaft circular movement through fixed shaft, make L shaped connecting rod far from the end of fixed shaft three movement and make support block movement, has reached the user according to the diameter size of actual pipe mould, freely adjust device makes it close pipe mould, completes the clamping of pipe mould, prevents pipe mould from falling off from the device when rotating, and clamping prevents simple and convenient, convenient for the operation of user.
[0017] 2. The utility model discloses a roller fan is set, when the equipment uses, gear plate rotates simultaneously and will drive the rotation of belt pulley and make the belt rotate, and the belt rotation will drive the rotation of belt pulley no. 2 and make transmission shaft no. 2 rotate, and transmission shaft no. 2 rotation will drive the rotation of roller fan, and the rotation of roller fan in the wind box will produce cold wind and blow out and cool the outer wall of pipe mould, accelerate the formation of pipeline, after the formation of pipeline, rotate threaded rod no. 2 and make the support frame no. 2 on the right side whole from pipe mould and draw out, reached in the device can drive the rotation of roller fan when pipe mould is rotated, makes it produce cold wind and cool pipe mould, accelerate the formation of nodular cast iron pipe, simultaneously convenient for the disassembly of pipe mould, and after stripping, can clean pipe mould, convenient for the use of device next time.
[0018] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. DRAWINGS
[0019] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will introduce the drawing needed for the embodiment description, obviously, the drawing in the following description is only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.
[0020] Figure 1 It is the whole structure schematic diagram of the utility model;
[0021] Figure 2 It is the internal structure section view of the utility model;
[0022] Figure 3 It is the support mechanism section view of the utility model;
[0023] Figure 4 It is the utility model Figure 3 The enlarged view of A in the utility model;
[0024] Figure 5 It is the cooling mechanism section view of the utility model;
[0025] Figure 6 The utility model discloses a structure sectional view of drum fan.
[0026] In the drawings, the component list represented by each sign is as follows:
[0027] 1, bottom plate, 101, support frame, 102, support rod, 103, support frame two, 104, wind box, 105, sliding slot, 2, support mechanism, 201, threaded rod, 202, threaded rod sleeve, 203, gear plate, 204, fixed block, 205, fixed shaft, 206, L-shaped connecting rod, 207, fixed shaft two, 208, connecting rod, 209, fixed shaft three, 210, support block, 211, pipe mold, 212, inlet, 213, sealing plate, 3, cooling mechanism, 301, motor, 302, transmission shaft, 303, gear plate two, 304, pulley, 305, belt, 306, pulley two, 307, transmission shaft two, 308, drum fan, 309, limit shaft, 310, pull rod three, 311, brush rod, 312, threaded rod two. DETAILED DESCRIPTION
[0028] 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, not 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 scope of protection of the utility model.
[0029] Please refer to Figures 1-6 As shown in the utility model discloses a nodular cast iron pipe pipe mold, including bottom plate 1, the outer wall of bottom plate 1 is fixedly connected with support frame 101, the inner wall of the end of bottom plate 1 away from support frame 101 is provided with sliding slot 105, the inner wall of sliding slot 105 is slidably connected with support frame two 103, support frame 101 and support frame two 103 can support the whole threaded rod 201, prevent pipe mold 211 from falling, the inner wall of support frame 101 and support frame two 103 is rotatably connected with support rod 102, the outer wall of bottom plate 1 is fixedly connected with wind box 104, the outer wall of support rod 102 is provided with support mechanism 2, by setting up the wind box, cooperation drum fan 308 uses can produce cool wind to pipe mold 211 and carry out cooling, accelerate the formation of nodular cast iron pipe;
[0030] The support mechanism 2 comprises several threaded rods 201, the outer wall of the threaded rod 201 is rotationally connected with the inner wall of the support rod 102, the outer wall of one end of the threaded rod 201 away from the support rod 102 is rotationally connected with a threaded rod sleeve 202, the outer wall of the left threaded rod sleeve 202 is fixedly connected with a gear plate 203, since the gear plate 203 is engaged with a gear plate two 303, therefore the position of the gear plate 203 will be fixed by the gear plate two 303, when the threaded rod 201 is rotated, the threaded rod sleeve 202 can be driven to move, the outer wall of one end of the threaded rod sleeve 202 away from the gear plate 203 is fixedly connected with a fixed block 204, the outer wall of the fixed block 204 is fixedly connected with several fixed shafts 205, the outer wall of the fixed shaft 205 is rotationally connected with an L-shaped connecting rod 206, when the fixed block 204 moves, the fixed shaft 205 is driven to move, so that the L-shaped connecting rod 206 makes circular motion around the fixed shaft 205, thereby adjusting the position of the support block 210, the outer wall of one end of the gear plate 203 close to the fixed shaft two 207 is fixedly connected with several fixed shafts two 207, the outer wall of the inner side fixed shaft two 207 is rotationally connected with the inner wall of the L-shaped connecting rod 206, the outer wall of the fixed shaft two 207 is rotationally connected with a connecting rod 208, when the L-shaped connecting rod 206 moves, the fixed shaft three 209 is driven to move, so that the connecting rod 208 moves, the fixed shaft two 207 can limit the movement track of the connecting rod 208, so that the movement process of the L-shaped connecting rod 206 is more stable, the inner wall of one end of the connecting rod 208 away from the fixed shaft two 207 is rotationally connected with a fixed shaft three 209, the outer wall of the fixed shaft three 209 is fixedly connected with a support block 210, the outer wall of the support block 210 is slidingly connected with a pipe mold 211, by arranging the pipe mold 211, the molten iron is injected into the pipe mold 211, the pipe mold 211 is rotated, the internal fitting will form a nodular cast iron pipe under the action of centrifugal force and slow cooling, the inner wall of the pipe mold 211 is provided with a feeding port 212, the outer wall of one end of the pipe mold 211 away from the gear plate 203 is fixedly connected with a sealing plate 213, the outer wall of the bottom plate 1 is provided with a cooling mechanism 3, the sealing plate 213 can seal the pipe mold 211, and after the sealing plate 213 is removed, the pull rod three 310 can be installed in the pipe mold 211.
[0031] The cooling mechanism 3 comprises a motor 301, the outer wall of the motor 301 is fixedly connected with the outer wall of the bottom plate 1, the bottom output end of the motor 301 is fixedly connected with a transmission shaft 302 through a shaft coupling, when the motor 301 is started, the rotation of the motor 301 drives the transmission shaft 302 to rotate to drive the gear disc two 303 to rotate, the outer wall of the end of the transmission shaft 302 away from the motor 301 is fixedly connected with the gear disc two 303, the outer wall of the gear disc two 303 is engaged with the outer wall of the gear disc 203, since the gear disc two 303 is engaged with the gear disc 203, when the gear disc two 303 rotates, the gear disc two 303 drives the gear disc 203 to rotate to drive the threaded rod 201 to rotate as a whole, and in turn drives the pipe mold 211 to rotate as a whole, the outer wall of the support rod 102 on the left side is fixedly connected with a belt pulley 304, the outer wall of the belt pulley 304 is drivingly connected with a belt 305, the inner wall of the end of the belt 305 away from the belt pulley 304 is drivingly connected with a belt pulley two 306, when the gear disc two 303 rotates, the gear disc two 303 drives the belt pulley 304 to rotate to drive the belt 305 to rotate, the rotation of the belt 305 drives the belt pulley two 306 to rotate, the belt pulley two 306 can limit the position of the belt 305 to prevent the belt 305 from falling off during transmission.
[0032] The inner wall of the belt pulley two 306 is fixedly connected with a transmission shaft two 307, the outer wall of the transmission shaft two 307 is rotatably connected with the inner wall of the wind box 104, the outer wall of the transmission shaft two 307 is fixedly connected with a roller fan 308, the inner wall of the support frame two 103 is fixedly connected with a limiting shaft 309, the limiting shaft 309 can limit the position of the pull rod three 310, to prevent the brush rod 311 from being stuck in the pipe mold 211 when the brush rod 311 cleans the pipe mold 211 of different diameters, the outer wall of the limiting shaft 309 is rotatably connected with the pull rod three 310, the inner wall of the pull rod three 310 is rotatably connected with the brush rod 311, the inner wall of the support frame two 103 is rotatably connected with a threaded rod two 312, the outer wall of the threaded rod two 312 is rotatably connected with the inner wall of the bottom plate 1, when the threaded rod two 312 rotates, the rotation of the threaded rod two 312 drives the support frame two 103 to slide in the chute 105, thereby controlling the position of the right support block 210 as a whole, facilitating the user to install or remove the pipe mold 211.
[0033] One specific application of the embodiment is:
[0034] When the staff needs to use the device, two half-circular pipe molds 211 are combined by the self-provided bolts before use, and then the assembled pipe mold 211 is installed on the fixed shaft three 209. The threaded rod 201 can drive the threaded rod sleeve 202 to move to make the fixed block 204 move. Since the support rod 102 fixes the position of the gear disc 203, when the fixed block 204 moves, it will drive the L-shaped connecting rod 206 to make a circular motion around the fixed shaft 205 through the fixed shaft 205, so that the end of the L-shaped connecting rod 206 away from the fixed shaft 205 approaches the inner wall of the pipe mold 211. The movement of the L-shaped connecting rod 206 will drive the fixed shaft three 209 to move to make the support block 210 move, and then the support block 210 is attached to the inside of the pipe mold 211 to support the pipe mold 211 from the inside out. When the support block 210 moves, the connecting rod 208 will balance the position of the support block 210 through the fixed shaft two 207 and the fixed shaft three 209, so that the movement is more stable. The molten iron is poured into the pipe mold 211 from the inlet 212, and then the motor 301 is started. The rotation of the motor 301 will drive the transmission shaft 302 to rotate to make the gear disc two 303 rotate, which will drive the gear disc 203 to rotate to make the support rod 102 on the left rotate as a whole, thereby driving the pipe mold 211 to rotate. When the pipe mold 211 rotates, the support block 210 on the right will rotate as a whole. The molten iron inside will slowly cool down under the action of centrifugal force to form a ductile cast iron pipe. The gear disc 203 rotates at the same time to drive the belt pulley 304 to rotate to make the belt 305 rotate, which will drive the belt pulley two 306 to rotate to make the transmission shaft two 307 rotate. The rotation of the transmission shaft two 307 will drive the drum fan 308 to rotate. The rotation of the drum fan 308 in the bellows 104 will produce cold wind to blow out to cool the outer wall of the pipe mold 211 and speed up the formation of the pipe. After the pipe is formed, the threaded rod two 312 is rotated to make the support frame two 103 on the right withdraw from the pipe mold 211 as a whole. The pipe mold 211 is removed and the bolts provided by the pipe mold 211 are removed to demold the pipe inside. After demolding, the pipe mold 211 is reinstalled on the device, the sealing plate 213 is removed, the brush rod 311 is installed in the inside of the pipe mold 211, the sealing plate 213 is fixed on the pull rod three 310 by the self-provided bolts, and the inside of the pipe mold 211 is cleaned again by starting the motor 301, which is convenient for the next use of the device.
[0035] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0036] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments described. Obviously, according to the content of the description, many modifications and changes can be made. The description selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.
Claims
1. A ductile cast iron pipe mold comprising a base plate (1), characterized in that: A support frame (101) is fixedly connected to the outer wall of the base plate (1). A sliding groove (105) is provided on the inner wall of the end of the base plate (1) away from the support frame (101). A second support frame (103) is slidably connected to the inner wall of the sliding groove (105). A support rod (102) is rotatably connected to the inner walls of both the support frame (101) and the second support frame (103). A bellows (104) is fixedly connected to the outer wall of the base plate (1). A support mechanism (2) is provided on the outer wall of the support rod (102). The support mechanism (2) includes several threaded rods (201). The outer wall of the threaded rod (201) is rotatably connected to the inner wall of the support rod (102). A threaded rod sleeve (202) is rotatably connected to the outer wall of the threaded rod (201) away from the support rod (102). A gear disk (203) is fixedly connected to the outer wall of the threaded rod sleeve (202) on the left side. A fixing block (204) is fixedly connected to the outer wall of the threaded rod sleeve (202) away from the gear disk (203). Several fixing shafts (205) are fixedly connected to the outer wall of the fixing block (204). An L-shaped connecting rod (206) is rotatably connected to the outer wall of the fixing shaft (205). The outer wall of the gear disk (203) near the second fixing shaft (207) is fixedly connected to... There are several fixed shafts (207). The outer wall of the fixed shaft (207) located on the inner side is rotatably connected to the inner wall of the L-shaped connecting rod (206). The outer wall of the fixed shaft (207) is rotatably connected to the connecting rod (208). The inner wall of the connecting rod (208) away from the fixed shaft (207) is rotatably connected to the fixed shaft (3) (209). The outer wall of the fixed shaft (3) (209) is fixedly connected to the support block (210). The outer wall of the support block (210) is slidably connected to the tube mold (211). The inner wall of the tube mold (211) is provided with an inlet (212). The outer wall of the tube mold (211) away from the gear disk (203) is fixedly connected to a sealing plate (213). The outer wall of the base plate (1) is provided with a cooling mechanism (3).
2. A ductile iron pipe mold according to claim 1, wherein The cooling mechanism (3) includes a motor (301), the outer wall of which is fixedly connected to the outer wall of the base plate (1).
3. A ductile iron pipe mold according to claim 2, wherein The bottom output end of the motor (301) is fixedly connected to a transmission shaft (302) via a coupling. A gear disk (303) is fixedly connected to the outer wall of the end of the transmission shaft (302) away from the motor (301). The outer wall of the gear disk (303) meshes with the outer wall of the gear disk (203).
4. A ductile iron pipe mold according to claim 3, wherein A pulley (304) is fixedly connected to the outer wall of the support rod (102) on the left side, and a belt (305) is driven to the outer wall of the pulley (304).
5. A ductile iron pipe mold according to claim 4, wherein The inner wall of the belt (305) away from the pulley (304) is connected to the pulley 2 (306), and the inner wall of the pulley 2 (306) is fixedly connected to the drive shaft 2 (307). The outer wall of the drive shaft 2 (307) is rotatably connected to the inner wall of the bellows (104).
6. A ductile iron pipe mold according to claim 5, wherein The outer wall of the transmission shaft two (307) is fixedly connected with a drum fan (308), and the inner wall of the support frame two (103) is fixedly connected with a limiting shaft (309).
7. A ductile iron pipe mold according to claim 6, wherein The outer wall of the limiting shaft (309) is rotatably connected with a pull rod three (310), and the inner wall of the pull rod three (310) is rotatably connected with a brush rod (311).
8. A ductile iron pipe mold according to claim 7, wherein The inner wall of the support frame two (103) is rotatably connected with a threaded rod two (312), and the outer wall of the threaded rod two (312) is rotatably connected with the inner wall of the bottom plate (1).