CN211284468U - Annealing equipment for nodular cast iron pipe - Google Patents
Annealing equipment for nodular cast iron pipe Download PDFInfo
- Publication number
- CN211284468U CN211284468U CN201922489853.7U CN201922489853U CN211284468U CN 211284468 U CN211284468 U CN 211284468U CN 201922489853 U CN201922489853 U CN 201922489853U CN 211284468 U CN211284468 U CN 211284468U
- Authority
- CN
- China
- Prior art keywords
- driven shaft
- gear
- support column
- annealing furnace
- annealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Heat Treatment Of Articles (AREA)
Abstract
The utility model relates to a nodular cast iron technical field specifically discloses nodular cast-iron pipe annealing equipment, including annealing furnace casing and conveying roller, first support column, annealing furnace casing and third support column horizontal arrangement in proper order, the below of three is fixed with linear slide rail, and the upper end bearing of first support column is connected with first driven shaft, and the upper end bearing of second support column is connected with the second driven shaft, and the first driven shaft of motor drive rotates. The scheme is used for solving the contradiction problem that the annealing iron pipe needs to be heated uniformly and lubricating oil is easy to dry in the prior art.
Description
Technical Field
The utility model relates to a nodular cast iron technical field specifically is nodular cast iron pipe annealing equipment.
Background
The ductile cast iron pipe is one of cast iron pipes, and has the properties of iron and steel. The nodular cast iron pipe needs to be annealed in production, and the metallographic structure of the annealed nodular cast iron pipe is ferrite and a small amount of pearlite, so that the nodular cast iron pipe has good mechanical properties.
Most of the furnace bottoms of the existing annealing furnaces are provided with a plurality of arranged furnace bottom rollers as conveying mechanisms, nodular cast iron pipes are placed on the furnace bottom rollers and conveyed into the annealing furnaces and then conveyed out, but in the moving process, the lower ends of the nodular cast iron pipes are always attached to the furnace bottom rollers, so that the heating is uneven, and the annealing effect is influenced.
In order to enable the ductile cast iron pipe to be separated from contact with the hearth rollers and not to affect the uniform heating effect, the application document of application publication No. CN108893590A discloses a furnace bottom structure of a ductile cast iron pipe annealing furnace, which comprises a furnace bottom shell, wherein a conveying mechanism is arranged in the furnace bottom shell, the conveying mechanism is composed of a plurality of hearth rollers, three device plates are arranged between two pairs of hearth rollers in the middle, the three device plates are fixedly connected through connecting rods, one ends of the connecting rods are slidably connected with the inner wall of the furnace bottom shell, device openings are formed in the side walls of the device plates, a driving mechanism and a rotating mechanism are arranged in the device plates, a bar-shaped cavity is arranged on one side of the furnace bottom shell, and a lifting mechanism connected with the connecting rods is arranged in the bar-shaped.
However, the driving mechanism and the rotating mechanism in this scheme are both inside the annealing furnace casing. During annealing operation, the heat in the annealing furnace shell is easy to dry lubricating oil between rotating parts, so that the device cannot work normally.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is anticipated to provide nodular cast-iron pipe annealing equipment to solve the contradiction problem that annealing iron pipe needs even heating and lubricating oil easily dries among the prior art.
In order to achieve the above object, the basic scheme of the present invention is as follows:
the annealing equipment for the ductile cast iron pipe comprises an annealing furnace shell and a conveying roller, wherein the conveying roller is rotatably connected in the annealing furnace shell, and further comprises a first supporting column, a second supporting column, a third supporting column and a linear sliding rail, the first supporting column, the second supporting column, the annealing furnace shell and the third supporting column are sequentially and horizontally arranged, and the linear sliding rail is positioned below the third supporting column; the bottom end of the third support column is connected with the linear slide rail in a sliding manner, a traction screw rod is fixed on one side of the annealing furnace shell close to the third support column, the traction screw rod penetrates through the body of the third support column and is in clearance fit with the third support rod, and a nut is connected with the free end of the traction screw rod in a threaded manner;
the upper ends of the first support column and the second support column are both in bearing connection with a first driven shaft, the upper end of the third support column is in bearing connection with a second driven shaft, the first driven shaft and the second driven shaft are coaxial, the free ends of the first driven shaft and the second driven shaft both extend into the annealing furnace shell, the free ends of the first driven shaft and the second driven shaft are fixed with a circular plate, the circular plate is located in the annealing furnace shell, and the part of the first driven shaft located between the first support column and the second support column is fixedly connected with a first gear; the outer side of the annealing furnace shell is fixedly provided with a motor, an output shaft of the motor is fixedly connected with a second gear, and the first gear is meshed with the second gear.
The utility model discloses a principle and beneficial effect:
when the iron pipe needs to be annealed, the iron pipe enters the annealing furnace shell through the conveying roller, and the first driven shaft, the iron pipe and the second driven shaft are sequentially arranged on the same straight line. And rotating the nut to enable the nut to move towards the direction close to the annealing furnace shell, wherein in the process of the rotation movement of the nut, the nut extrudes the third support column to move towards the direction close to the annealing furnace shell along the linear slide rail, and meanwhile, the third support column drives the second driven shaft to move towards the first driven shaft until the circular plate at the free end of the first driven shaft and the circular plate at the free end of the second driven shaft respectively and tightly abut against the iron pipe. First support column and second support column both provide the holding power simultaneously for first driven shaft, have guaranteed first driven shaft horizontal rotation, and then guarantee that first gear is eccentric not to rotate, guarantee both stable meshes of first gear and second gear.
And simultaneously starting the motor and the heating device in the annealing furnace, wherein the motor drives the second gear to rotate, the second gear drives the first gear meshed with the second gear to rotate, and the first gear drives the first driven shaft, the iron pipe and the second driven shaft which are sequentially abutted to each other to rotate. The iron pipe in the shell of the annealing furnace is rotated to be heated uniformly, and the iron pipe can not generate thermal stress through the process.
Simultaneously, for prior art, first support column, second support column and third support column three all are located the outside of annealing stove casing, and the bearing of first support column, second support column and third support column three upper end all is located the outside of annealing stove casing, like this, just can avoid the lubricating oil between the rotating part because the high temperature of annealing stove casing bakes futilely, avoids the life of rotating part to shorten, and also the iron pipe is rotatory simultaneously, and the iron pipe body thermally equivalent.
In a second aspect, the first support column, the second support column, and the third support column each include a support tube and a support rod inserted from above the support tube, and tensioners are fixed to the periphery of the support rod and the upper end of the support tube.
The automatic control device has the beneficial effects that the tensioner is operated to control the depth of the support rod inserted into the support pipe, so that the heights of the first support column, the second support column and the third support column are controlled, the horizontal positions of the first driven shaft and the second driven shaft are further controlled, the horizontal position of the iron pipe during rotation is controlled, the rotating iron pipe is separated from the conveying roller during annealing, and the temperature of the conveying roller during heating and annealing is prevented from influencing the temperature of the iron pipe.
And as the optimization of the second scheme, the tensioner comprises an upper tensioning rod, a tensioning ring and a lower tensioning rod which are sequentially in threaded connection, the upper end of the upper tensioning rod is fixedly connected with the peripheral side of the supporting rod, and the lower end of the lower tensioning rod is fixedly connected with the upper end of the bearing pipe.
The tensioner has the beneficial effects that the tensioner is simple in structure, the upper tensioning rod and the lower tensioning rod can move oppositely or reversely by rotating the tensioning ring, and therefore the heights of the first supporting column, the second supporting column and the third supporting column are changed. Compared with a hydraulic lifting mechanism, the structure does not need to be added with hydraulic oil, saves cost, and prevents the site environment from being polluted by oil stains.
And a spring is propped between the support rod and the bearing pipe as the preferable preference of the third scheme.
Compared with the prior art, the support rod supporting device has the beneficial effects that when the spring is added and the heights of the first support column, the second support column and the third support column are increased, the elastic potential energy of the spring is released to eject the support rod out of the support pipe, so that energy is provided.
And a fifth scheme is preferable as a basic scheme, wherein a plurality of concentric annular rings are fixed at the right end of the circular plate, and the annular rings, the first driven shaft and the second driven shaft are concentric.
The iron pipe soft-rotating device has the beneficial effects that when the circular plate is tightly abutted against the iron pipe, the two ends of the iron pipe are sleeved in the annular rings, so that the soft-rotating iron pipe cannot be separated from the circular plate, and the accident is avoided.
And a sixth scheme, which is a preferable basic scheme, the first gear and the second gear are respectively meshed with a third gear, the third gear is an external gear, a central connecting line of the second gear and the third gear is in a horizontal position, and the third gear is rotatably connected to the outer side of the annealing furnace shell.
The annealing furnace has the beneficial effects that because the third gear is added, the horizontal distance between the first gear and the second gear is increased, the horizontal distance between the motor and the first driven shaft can be increased, and the horizontal distance between the motor and the annealing furnace shell can be increased; avoid the over-high temperature of the shell of the annealing furnace to intensify the temperature rise of the motor, thereby preventing the motor from being burnt out.
Drawings
Fig. 1 is a top partial sectional view of the annealing equipment for nodular cast iron pipes in the embodiment of the present invention;
FIG. 2 is a partial cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a rear view of the annealing equipment for nodular cast iron pipes in the embodiment of the present invention;
fig. 4 is a front partial sectional view of the first support column of the annealing equipment for ductile cast iron pipes according to the embodiment of the present invention;
fig. 5 is a perspective isometric view of an annular disc of the ductile cast iron pipe annealing equipment according to the embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the annealing furnace comprises an annealing furnace shell 1, a motor 2, a first supporting column 3, a second supporting column 4, a third supporting column 5, a linear slide rail 6, a conveying roller 7, a bearing pipe 8, a supporting rod 9, a spring 10, an upper tensioning rod 11, a tensioning ring 12, a lower tensioning rod 13, a first driven shaft 14, a second driven shaft 15, a circular plate 16, an annular ring 17, a first gear 18, a second gear 19, a third gear 20, an annular disc 21, a traction screw rod 22 and a nut 23.
The embodiment is basically as shown in the attached figures 1, 2 and 3: the annealing equipment for the ductile cast iron pipe comprises a first support column 3, a second support column 4, an annealing furnace shell 1, a linear slide rail 6 and a third support column 5 which are sequentially arranged in a horizontal and linear mode, wherein the first support column 3 and the second support column 4 are positioned on the left side of the annealing furnace shell 1, the third support column 5 is positioned on the right side of the annealing furnace shell 1, the linear slide rail 6 is positioned on the outer side of the right end of the annealing furnace shell 1, and the linear slide rail 6 is fixed on the ground below the third support column 5; the first support column 3, the second support column 4 and the third support column 5 are all vertically arranged, and the bottom end of the third support column 5 is connected with the linear slide rail 6 in a sliding manner; a traction screw rod 22 is fixedly welded on the right side of the annealing furnace shell 1, the traction screw rod 22 horizontally penetrates through the third support column 5 and is in clearance fit with the third support column 5, and a nut 23 is connected to the free end of the traction screw rod 22 through threads; five to ten conveying rollers 7 are rotatably connected in the annealing furnace shell 1, and the conveying direction of the conveying rollers 7 is consistent with the direction from the inlet to the outlet of the annealing furnace shell 1; the first support column 3 and the second support column 4 are positioned outside the inlet of the annealing furnace casing 1, and the third support column 5 is positioned outside the outlet of the annealing furnace casing 1.
As shown in fig. 4, the first support column 3, the second support column 4 and the third support column 5 all include a support tube 8 and a support rod 9 inserted into the support tube 8 from above the support tube 8, a spring 10 is abutted between the support rod 9 and the support tube 8, the middle section of the support rod 9 is in clearance fit with the support tube 8, three to five tensioners are uniformly distributed between the peripheral side of the support rod 9 and the upper end of the support tube 8, each tensioner includes an upper tension rod 11, a tension ring 12 and a lower tension rod 13 which are sequentially connected by screw threads, the peripheral side of the upper end of the upper tension rod 11 is fixedly connected with the peripheral side of the support rod 9, the lower end of the lower tension rod 13 is fixedly connected with the upper end of the support tube 8, and the support rod 9 and the support tube 8 are in clearance fit with each tensioner, thereby the release of the elastic potential energy of the spring 10 itself is controllable, and the change of the heights of the first support column 3. Compared with a hydraulic lifting mechanism in the prior art, the first supporting column 3, the second supporting column 4 and the third supporting column 5 do not need hydraulic oil, and conditions are provided for cleaning the environment of the annealing furnace site.
As shown in fig. 1, fig. 2 and fig. 3, the upper ends of the first support column 3 and the second support column 4 are all bearing-connected with a first driven shaft 14, the first driven shaft 14 penetrates through the second support column 4, the free end of the first driven shaft 14 extends into the annealing furnace shell 1, the part of the first driven shaft 14, which is positioned between the first support column 3 and the second support column 4, is connected with a first gear 18, the second driven shaft 15, which is connected with the upper end bearing of the third support column 5, the free end of the second driven shaft 15 extends into the annealing furnace shell 1, the axes of the first driven shaft 14 and the second driven shaft 15 are all positioned on the same water straight line, the free ends of the first driven shaft and the second driven shaft are all fixedly connected with an annular disc 21, and the annular disc 21 is positioned on the annealing furnace.
As shown in FIG. 5, the annular disk 21 comprises a circular plate 16 and five to ten annular rings 17, and the annular rings 17 are fixedly attached to the side of the circular plate 16 facing the inside of the annealing furnace casing 1 with the annular rings 17 and the circular plate 16 being concentric.
As shown in fig. 1, a motor 2 is fixed on the outer side of the annealing furnace shell 1, and a second gear 19 is connected to an output shaft of the motor 2. The first gear 18 and the second gear 19 are respectively meshed with a third gear 20, the third gear 20 is an external gear, the third gear 20 is rotatably connected to the outer side of the annealing furnace shell 1, and the third gear 20 is positioned between the first gear 18 and the second gear 19. The third gear 20 is on a motion locus where the first gear 18 moves up and down. The second gear 19 and the third gear 20 are both located above the conveying roller 7 in the vertical direction.
The specific implementation process is as follows:
the iron pipe to be annealed is conveyed into the annealing furnace casing 1 through the conveying roller 7, so that the iron pipe completely enters the annealing furnace casing 1 and is parallel to the axes of the first driven shaft 14 and the second driven shaft 15.
Next, the upper tightening rod 11 and the lower tightening rod 13 move up and down by rotating the tightening ring 12, the heights of the first support column 3, the second support column 4 and the third support column 5 are adjusted, the first driven shaft 14, the iron pipe and the second driven shaft 15 are positioned on the same straight line, then the nut 23 is rotated to move the nut 23 towards the annealing furnace shell 1, in the process of rotating and moving the nut 23, the nut 23 extrudes the third support column 5 to move towards the annealing furnace shell 1 along the linear slide rail 6, meanwhile, the third support column 5 drives the second driven shaft 15 to approach the first driven shaft 14 until the circular plate 16 at the free end of the first driven shaft 14 and the circular plate 16 at the free end of the second driven shaft 15 are respectively and tightly abutted against the iron pipe, all the tightening rings 12 are rotated simultaneously again, all the upper tightening rods 11 and the lower tightening rods 13 move reversely, and the first driven shaft 14, The three of the iron pipe and the second driven shaft 15 move up horizontally, and the first gear 18 and the third gear 20 are again engaged.
Then, the motor 2 is started to sequentially drive the second gear 19, the third gear 20 and the first gear 18 to rotate, and further drive the first driven shaft 14, the iron pipe and the second driven shaft 15 to rotate. And then, starting a heating device in the annealing furnace to anneal the iron pipe.
The pivoted iron pipe has broken away from conveying roller 7, and simultaneously, drive iron pipe pivoted bearing and gear all be located annealing stove casing 1's outside, avoid rotating parts lubricating oil to be baked fast between, prolonged the device and maintained the cycle.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. Nodular cast iron pipe annealing equipment, including annealing furnace casing and conveying roller, the conveying roller rotates to be connected in annealing furnace casing, its characterized in that: the annealing furnace shell further comprises a first supporting column, a second supporting column, a third supporting column and a linear slide rail, wherein the first supporting column, the second supporting column, the annealing furnace shell and the third supporting column are sequentially and horizontally arranged, and the linear slide rail is positioned below the third supporting column; the bottom end of the third support column is connected with the linear slide rail in a sliding manner, a traction screw rod is fixed on one side of the annealing furnace shell close to the third support column, the traction screw rod penetrates through the body of the third support column and is in clearance fit with the third support rod, and a nut is connected with the free end of the traction screw rod in a threaded manner;
the upper ends of the first support column and the second support column are both in bearing connection with a first driven shaft, the upper end of the third support column is in bearing connection with a second driven shaft, the first driven shaft and the second driven shaft are coaxial, the free ends of the first driven shaft and the second driven shaft both extend into the annealing furnace shell, the free ends of the first driven shaft and the second driven shaft are fixed with a circular plate, the circular plate is located in the annealing furnace shell, and the part of the first driven shaft located between the first support column and the second support column is fixedly connected with a first gear; the outer side of the annealing furnace shell is fixedly provided with a motor, an output shaft of the motor is fixedly connected with a second gear, and the first gear is meshed with the second gear.
2. The annealing equipment for ductile cast iron pipes according to claim 1, characterized in that: the first supporting column, the second supporting column and the third supporting column respectively comprise a bearing pipe and a supporting rod inserted from the upper part of the bearing pipe, and tensioners are fixed on the peripheral sides of the supporting rods and the upper end of the bearing pipe.
3. The annealing equipment for ductile cast iron pipes according to claim 2, characterized in that: the tensioner comprises an upper tensioning rod, a tensioning ring and a lower tensioning rod which are sequentially in threaded connection, the upper end of the upper tensioning rod is fixedly connected with the peripheral side of the supporting rod, and the lower end of the lower tensioning rod is fixedly connected with the upper end of the bearing pipe.
4. The annealing equipment for ductile cast iron pipes according to claim 3, characterized in that: and a spring is propped between the support rod and the bearing pipe.
5. The annealing equipment for ductile cast iron pipes according to claim 1, characterized in that: the right end of the circular plate is fixedly provided with a plurality of concentric annular rings, and the annular rings, the first driven shaft and the second driven shaft are concentric.
6. The annealing equipment for ductile cast iron pipes according to claim 1, characterized in that: the first gear and the second gear are respectively meshed with a third gear, the third gear is an external gear, a central connecting line of the second gear and the third gear is in a horizontal position, and the third gear is rotatably connected to the outer side of the annealing furnace shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922489853.7U CN211284468U (en) | 2019-12-31 | 2019-12-31 | Annealing equipment for nodular cast iron pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922489853.7U CN211284468U (en) | 2019-12-31 | 2019-12-31 | Annealing equipment for nodular cast iron pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211284468U true CN211284468U (en) | 2020-08-18 |
Family
ID=72012289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922489853.7U Active CN211284468U (en) | 2019-12-31 | 2019-12-31 | Annealing equipment for nodular cast iron pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211284468U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323003A (en) * | 2020-10-28 | 2021-02-05 | 内蒙古工业大学 | Titanium alloy heat treatment stress relieving and deformation control device |
| CN115505721A (en) * | 2022-08-25 | 2022-12-23 | 浙江松发复合新材料有限公司 | Continuous annealing equipment and annealing process for processing copper-clad stainless steel composite plate strip |
-
2019
- 2019-12-31 CN CN201922489853.7U patent/CN211284468U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323003A (en) * | 2020-10-28 | 2021-02-05 | 内蒙古工业大学 | Titanium alloy heat treatment stress relieving and deformation control device |
| CN112323003B (en) * | 2020-10-28 | 2021-09-24 | 内蒙古工业大学 | Titanium alloy heat treatment stress relieving and deformation control device |
| CN115505721A (en) * | 2022-08-25 | 2022-12-23 | 浙江松发复合新材料有限公司 | Continuous annealing equipment and annealing process for processing copper-clad stainless steel composite plate strip |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211284468U (en) | Annealing equipment for nodular cast iron pipe | |
| CN100591778C (en) | Heated air circulation bake oven | |
| WO2022257165A1 (en) | Multi-station device for heat treatment of gear | |
| CN206736310U (en) | A kind of energy-efficient tempering furnace of roller shaft type | |
| CN106170568B (en) | For the metalliferous material in the open hearth of ring bottom to elongated flat, especially roll aluminium ingot progress heat-treating methods and equipment | |
| CN102010979B (en) | Steel wire through pipe type heating, water quenching and thermal insulation combined isothermal quenching device | |
| CN112725600A (en) | Full-automatic quenching mechanism of quenching furnace | |
| CN215983912U (en) | Furnace base mechanism of medium frequency electric furnace | |
| CN102010980B (en) | Steel wire open firing, water quenching and thermal insulation combined isothermal quenching device | |
| CN201933124U (en) | Water quenching and heat insulating combination type isothermal quenching equipment for heating steel wires by open fire | |
| CN202116599U (en) | Full-automatic flame quenching machine tool | |
| CN201447490U (en) | Thermal treatment equipment of metal parts | |
| CN2739552Y (en) | Rotary furnance | |
| CN103361479A (en) | Steel wire quenching equipment | |
| CN214009932U (en) | Firing furnace for continuous production | |
| CN215887164U (en) | Annealing device for producing large heat-conducting oil seamless steel tube | |
| KR100871830B1 (en) | Rotary barbecue device | |
| CN206109470U (en) | Platform truck low temperature tempering furnace | |
| CN218910406U (en) | Cooling wall mounting tool | |
| CN219064131U (en) | Heating furnace with uniform heating | |
| CN211105584U (en) | Pyrocondensation pipe oven | |
| CN111947455B (en) | Polymorphic tunnel kiln processing method for kiln brick molding | |
| CN218146802U (en) | Novel annealing equipment for rolling galvanized steel lining profiled steel sheet | |
| CN210393748U (en) | Roasting and purifying equipment for diatomite exploitation | |
| CN215558519U (en) | Feeding equipment of heat treatment furnace for improving heat treatment efficiency |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |