CN112458397B - Stainless steel surface siliconizing device - Google Patents
Stainless steel surface siliconizing device Download PDFInfo
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- CN112458397B CN112458397B CN202110139728.2A CN202110139728A CN112458397B CN 112458397 B CN112458397 B CN 112458397B CN 202110139728 A CN202110139728 A CN 202110139728A CN 112458397 B CN112458397 B CN 112458397B
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- 238000005475 siliconizing Methods 0.000 title claims abstract description 19
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 19
- 239000010935 stainless steel Substances 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 239000003921 oil Substances 0.000 claims description 17
- 239000010720 hydraulic oil Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005245 sintering Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 210000003781 tooth socket Anatomy 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention relates to a stainless steel surface siliconizing device which comprises a furnace body with an opening facing to the front side, wherein a furnace cover for sealing the opening of the furnace body is arranged on the front side of the furnace body, a plurality of flange teeth are arranged on the outer edge of the furnace cover, a limiting sleeve is fixedly arranged on the front side of the furnace body, a sealing ring is arranged at the front end of the limiting sleeve, a plurality of avoiding tooth grooves which correspond to the flange teeth one by one are formed in the sealing ring, the flange teeth penetrate through the avoiding tooth grooves and are rotationally clamped in the limiting sleeve, a rocker arm is hinged on the side part of the furnace body, one end of the rocker arm, which is far away from a hinging point, is fixedly connected with the furnace cover, a connecting rod is hinged on the rocker arm, an ejector rod is hinged at one end of the connecting rod, which is far away from the connecting. The stainless steel surface siliconizing device has the advantages that the workload of operators is small in the process of opening or closing the furnace cover, the residual pressure in the furnace body can be discharged quickly, and the safety production is ensured.
Description
Technical Field
The invention relates to the field of mechanical equipment, in particular to a stainless steel surface siliconizing device.
Background
The surface siliconizing of the stainless steel is finished in a vacuum sintering furnace, the vacuum sintering furnace firstly needs to vacuumize a furnace body in the working process, then protective gas is filled in the furnace body, the sintering state of the pressure and the atmosphere in the furnace is controlled, a tungsten crucible in a coil generates high temperature by utilizing the principle of medium-frequency induction heating, and the high temperature is transmitted to a workpiece through heat radiation to realize sintering. The main structure of the vacuum sintering furnace is a furnace body which is open towards the front side, the furnace body is cylindrical, the furnace cover for sealing the furnace body is arranged on the front side of the furnace body, and the furnace body needs to bear negative pressure firstly and then positive pressure during the working process, so that the sealing fit between the furnace body and the furnace cover is very important.
In order to ensure that the vacuum sintering furnace has enough tightness, the current furnace cover is blocked at the front side of the furnace body in a bolt screwing mode, so that the defects brought by the method are that firstly, the opening and closing process of the furnace body is time-consuming and labor-consuming, the bolt needs to be dismounted and then screwed every time the furnace cover is opened and closed, extra work burden is brought to operators, and the production cycle is possibly delayed due to frequent opening and closing of the furnace cover; secondly, in the process of opening the vacuum sintering furnace, the normal working process needs to firstly implement pressure relief in the furnace to ensure that the pressure in the furnace is balanced with the atmospheric pressure, however, because the range of a pressure gauge equipped for the vacuum sintering furnace is 1.5 to 3 times of the pressure in the furnace body, the working precision of the pressure gauge when the pressure is very low or close to zero is limited, namely when a pointer of the pressure gauge is seen to return to the zero position, residual pressure possibly exists in the furnace body, the pressure in the furnace body is not completely balanced with the atmospheric pressure, and if an operator opens the furnace cover at the moment, the residual pressure in the furnace body can violently flush the furnace cover, thereby damaging the personal safety of field workers.
Disclosure of Invention
The invention aims to solve the problems and provide a stainless steel surface siliconizing device which is convenient for opening a furnace cover and can still safely open a furnace door even if residual pressure exists in the furnace body.
In order to achieve the aim, the invention relates to a stainless steel surface siliconizing device, which comprises a furnace body facing to the front side opening, wherein the front side of the furnace body is provided with a furnace cover for sealing the furnace body opening, and the stainless steel surface siliconizing device is structurally characterized in that: the outer edge of the furnace cover is provided with a plurality of flange teeth which surround the furnace cover for a circle, the front side of the furnace body is fixedly provided with a limit sleeve, the front end of the limit sleeve is provided with a sealing ring, the sealing ring is provided with a plurality of avoiding tooth grooves which correspond to the flange teeth one by one, the flange teeth penetrate the avoiding tooth grooves and are rotationally clamped in the limit sleeve, the side part of the furnace body is hinged with a rocker arm, one end of the rocker arm far away from the hinged point is fixedly connected with the furnace cover, the rocker arm is also hinged with a connecting rod, one end of the connecting rod far away from the rocker arm is hinged with a mandril, one end of the mandril far away from the connecting rod is hinged on the furnace body, when the flange tooth passes through the avoiding tooth socket but is not clamped with the sealing ring, the hinged point of the rocker arm and the connecting rod, the hinged point of the connecting rod and the ejector rod, and the hinged point of the ejector rod and the furnace body are positioned on the same straight line, the furnace body is also provided with a hydraulic oil cylinder, and a piston rod of the hydraulic oil cylinder is hinged and arranged on the hinged point of the connecting rod and the ejector rod.
After the structure is adopted, a circle of flange teeth are arranged on the outer edge of the furnace cover, the sealing ring with an avoiding tooth groove is arranged at the opening end of the furnace body, when the furnace body needs to be sealed, the flange teeth on the furnace cover firstly penetrate through the avoiding tooth groove to enter the inner side of the sealing ring, then the furnace cover is rotated, as the front side of the flange teeth and the inner side of the sealing ring are provided with the inclined planes which correspond to each other, the flange teeth can be clamped between the sealing ring and the front edge of the furnace body by rotating the furnace cover, and at the moment, the outer edge of the furnace cover is pressed against the front; when the furnace cover is opened, the furnace cover is rotated reversely, so that the flange tooth is rotated to a position corresponding to the avoidance tooth groove, at the moment, the hinge point of the rocker arm and the connecting rod, the hinge point of the connecting rod and the ejector rod, and the hinge point of the ejector rod and the furnace body are positioned on a straight line, the rocker arm is positioned at a dead point position and cannot be operated, the furnace cover cannot be opened, a gap exists between the flange tooth and the avoidance tooth groove, the residual pressure in the furnace body can be quickly and externally balanced, the condition that the residual pressure in the furnace body causes violent force to flush the furnace cover can be avoided, at the moment, the hydraulic oil cylinder can be started to shrink, so that the rocker arm is separated from the dead point position, the flange tooth penetrates the avoidance tooth groove along with the continuous operation of the hydraulic oil cylinder, the furnace cover rotates to one side of the furnace body, and the device is screwed up relative to, ensuring the safe production.
Regarding the concrete realization mode that the rocker arm is rotatably arranged on the furnace cover, the top end of the furnace cover is fixedly provided with a pull rod, the rocker arm is sleeved with a pull rod sleeve, and the rocker arm is connected with the furnace cover through the pull rod sleeve.
In order to rotate the furnace cover conveniently, the flange teeth are rotationally clamped in the limiting sleeve, external threads are arranged on the outer wall of the pull rod, internal threads which can be matched with the external threads are arranged on an inner hole of the pull rod sleeve, the pull rod sleeve is screwed on the pull rod through the internal threads, a hand wheel frame is fixedly arranged on the side portion of the pull rod sleeve, a hand wheel is rotatably arranged on the hand wheel frame, a driving gear which can rotate coaxially with the hand wheel is fixedly arranged on the hand wheel, a sliding gear which is meshed with the driving gear is fixedly arranged on the pull rod, and the tooth width of the sliding gear is larger than that. In the process of closing the furnace cover, after the flange teeth penetrate through the avoiding tooth grooves, the hand wheel is rotated, the driving gear coaxially mounted with the hand wheel also rotates along with the driving gear, the sliding gear meshed with the driving gear also starts to rotate, the sliding gear is fixedly mounted on the furnace cover, finally, the rotation of the furnace cover can be realized, and further, the flange teeth are rotatably clamped in the limiting sleeve, along with the rotation of the furnace cover, threads on the pull rod and the pull rod sleeve start to play a role, the furnace cover further axially moves towards the direction of the furnace body while rotating, the outer edge of the furnace cover is pressed against the outer edge of the furnace body, and under the dual actions of the axial pressure of the flange teeth and the furnace cover, the sealing of the. In the axial movement process of the furnace cover, the sliding gear slides along the axial direction of the driving gear, the sliding gear and the driving gear are guaranteed to be in a meshed state all the time, the rotating of the furnace cover is that the driving gear with a smaller diameter drives the sliding gear with a larger diameter to move, so that labor is saved, and enough pressure can be provided for the furnace cover through a plurality of circles of rotating hand wheels.
Regarding the hinged structure of the rocker arm and the furnace body, a rocker arm support is fixedly arranged on the side part of the furnace body, a rocker arm pin shaft connected with the rocker arm is arranged on the rocker arm support, the rocker arm support is positioned on the front side of the furnace body, and the rocker arm is hinged on the furnace body through the rocker arm support.
Regarding the hinge structure of the connecting rod and the rocker arm, a dead point shaft is installed at one end of the rocker arm connected with the rocker arm support, the dead point shaft is parallel to the axis of the rocker arm pin shaft, the dead point shaft is positioned at one side far away from the furnace body and the rocker arm support, and the connecting rod is hinged on the rocker arm through the dead point shaft.
Regarding the hinge structure of the ejector rod and the furnace body, the side part of the furnace body is fixedly provided with an ejector rod seat, an ejector rod pin shaft used for connecting the ejector rod is arranged on the ejector rod seat, the ejector rod seat is positioned behind the rocker arm support, the end part of the ejector rod is in hinged fit with the ejector rod seat, and the ejector rod is hinged on the furnace body through the ejector rod seat.
Regarding the relative position relation of the dead point shaft and the ejector rod pin shaft, the top end of a piston rod of the hydraulic oil cylinder is provided with an oil cylinder pin shaft, the axes of the oil cylinder pin shaft, the dead point shaft and the ejector rod pin shaft are parallel to each other, and the connecting rod and the ejector rod are hinged through the oil cylinder pin shaft.
Regarding the mounting structure of hydraulic cylinder, the lateral part fixed mounting of furnace body has the hydro-cylinder base, and the hydro-cylinder base all is located same one side relative the furnace body with ejector pin seat, rocking arm support, and the hydro-cylinder base is located the rear of ejector pin seat, and hydraulic cylinder's cylinder body and hydro-cylinder base are articulated to be connected.
The specific structure of the limiting sleeve is that the limiting sleeve is sleeved on the front side of the furnace body, the sealing ring is in an annular convex edge shape and extends inwards along the radial direction of the limiting sleeve, the sealing ring and the front edge of the furnace body are mutually spaced, and the flange teeth are pressed against the front edge of the furnace body when the furnace cover is in a state of sealing the furnace body.
In order to conveniently adjust the position of the oil cylinder pin shaft and ensure that when the flange teeth penetrate through the avoiding tooth grooves but are not clamped with the sealing ring, the oil cylinder pin shaft, the dead point shaft and the ejector pin shaft are positioned on the same straight line, the connecting rod comprises a first supporting rod and a second supporting rod, a rotating sleeve which is coaxially connected with the first supporting rod and the dead point shaft is sleeved on the first supporting rod and the second supporting rod, a convex edge groove is formed in the outer wall of the second supporting rod, a limiting convex edge is arranged at one end, close to the convex edge groove, of the rotating sleeve and clamped in the convex edge groove, the rotating sleeve is in rotating fit with the second supporting rod through the limiting convex edge, an internal thread is arranged on the inner wall of the rotating sleeve, an external thread which is matched with the internal thread is arranged on the outer wall of the first supporting rod, the rotating sleeve is screwed on the first supporting rod through the internal thread, lug plates are fixedly arranged at one ends, far away from, The ejector rod is hinged. If discover when closing the furnace gate, when the flange tooth is in to pass and dodges the tooth's socket but when not with the sealing ring joint, hydro-cylinder round pin axle, dead point axle and ejector pin round pin axle are not on same straight line, the problem that appears this moment is that the rocking arm still can rotate, can't play the effect of safe pressure release, rotatable commentaries on classics cover this moment, the interval of first bracing piece of control and second bracing piece, adjust the position of hydro-cylinder round pin axle gradually, because the position of dead point axle and ejector pin axle is relatively fixed this moment, can make hydro-cylinder round pin axle remove the dead point position gradually, guarantee that the pressure release structure on the furnace gate can normal operating.
Due to the application of the technical scheme, the advantages and effects of the invention are specifically analyzed below.
In conclusion, the outer edge of the furnace cover is provided with a circle of flange teeth, the open end of the furnace body is provided with the sealing ring with the avoiding tooth socket, when the furnace body needs to be sealed, the furnace cover is rotated to enable the flange teeth to be clamped between the sealing ring and the front edge of the furnace body, and the outer edge of the furnace cover is pressed against the front edge of the furnace body, so that the furnace body is sealed; when the furnace cover is opened, the furnace cover is rotated reversely, so that the flange tooth is rotated to a position corresponding to the avoidance tooth groove, at the moment, the hinge point of the rocker arm and the connecting rod, the hinge point of the connecting rod and the ejector rod, and the hinge point of the ejector rod and the furnace body are positioned on a straight line, the rocker arm is positioned at a dead point position and cannot be operated, the furnace cover cannot be opened, a gap exists between the flange tooth and the avoidance tooth groove, the residual pressure in the furnace body can be quickly and externally balanced, the condition that the residual pressure in the furnace body causes violent force to flush the furnace cover can be avoided, at the moment, the hydraulic oil cylinder can be started to shrink, so that the rocker arm is separated from the dead point position, the flange tooth penetrates the avoidance tooth groove along with the continuous operation of the hydraulic oil cylinder, the furnace cover rotates to one side of the furnace body, and the device is screwed up relative to, the safe production is ensured; in addition, if discover that pressure relief structure can't play the effect of safe pressure release when closing the furnace gate, rotatable commentaries on classics cover this moment controls the interval of first bracing piece and second bracing piece, adjusts the position of hydro-cylinder round pin axle gradually, because dead point axle and ejector pin axle's position is relatively fixed this moment, can make hydro-cylinder round pin axle remove dead point position gradually, guarantees that pressure relief structure on the furnace gate can normal operating.
Drawings
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings:
FIG. 1 is a schematic structural view of a furnace cover in a state of closing a furnace body;
FIG. 2 is a schematic view of the furnace lid in an open state;
FIG. 3 is a schematic cross-sectional view of the furnace lid;
FIG. 4 is a schematic structural view of a connecting rod;
FIG. 5 is a schematic cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is a schematic top view of the structure of FIG. 4;
FIG. 7 is a schematic structural view of a stop collar;
fig. 8 is a schematic structural view of the furnace cover.
In the figure: the furnace body 1, a limiting sleeve 2, a cylinder base 3, a hydraulic cylinder 4, a connecting rod 5, a push rod 6, a push rod seat 7, a rocker arm 8, a furnace cover 9, a pull rod sleeve 10, a hand wheel frame 11, a hand wheel 12, a driving gear 13, a sliding gear 14, a rocker arm support 15, an avoiding tooth groove 16, a flange tooth 17, a sealing ring 18, a pull rod 19, a dead point shaft 20, a first supporting rod 21, a second supporting rod 22, a rotating sleeve 23, a limiting convex edge 24, an ear plate 25, a convex edge groove 26, a rocker arm pin shaft 27, a push rod pin shaft 28 and a cylinder pin shaft 29.
Detailed Description
For the convenience of understanding of the present invention, the present invention will be further described with reference to the following examples and drawings, and the description of the embodiments is not intended to limit the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships that are necessary based on a specific orientation of a device or an element shown in the drawings, are configured or operated in a specific orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are used broadly, and may be, for example, a mechanical connection or an electrical connection, or a communication between two elements, or a direct connection, or an indirect connection via an intermediate medium, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to the attached drawings, the stainless steel surface siliconizing device comprises a furnace body 1 which is open towards the front side, a furnace cover 9 which seals the opening of the furnace body 1 is arranged at the front side of the furnace body 1, a flange tooth 17 is arranged on the outer edge of the furnace cover 9, a plurality of flange teeth 17 are arranged and surround the furnace cover 9 for a circle, a limiting sleeve 2 is fixedly arranged at the front side of the furnace body 1, a sealing ring 18 is arranged at the front end of the limiting sleeve 2, a plurality of avoiding tooth grooves 16 which correspond to the flange teeth 17 one by one are arranged on the sealing ring 18, the flange teeth 17 penetrate through the avoiding tooth grooves 16 to be rotationally clamped in the limiting sleeve 2, a rocker arm 8 is hinged at the side part of the furnace body 1, one end of the rocker arm 8, which is far away from a hinging point, is fixedly connected with the furnace cover 9, a connecting rod 5 is hinged on the rocker arm 8, one end of the connecting rod 5, which is far away from the rocker arm 8, is hinged, the hinged point of the rocker arm 8 and the connecting rod 5, the hinged point of the connecting rod 5 and the ejector rod 6, and the hinged point of the ejector rod 6 and the furnace body 1 are positioned on the same straight line, the furnace body 1 is also provided with a hydraulic oil cylinder 4, and a piston rod of the hydraulic oil cylinder 4 is hinged and arranged on the hinged point of the connecting rod 5 and the ejector rod 6. After the structure is adopted, referring to the attached figure 8, a circle of flange teeth 17 are arranged on the outer edge of the furnace cover 9, referring to the attached figure 7, a sealing ring 18 with an avoiding tooth groove 16 is arranged at the open end of the furnace body 1, when the furnace body 1 needs to be sealed, firstly, the flange teeth 17 on the furnace cover 9 penetrate through the avoiding tooth groove 16 to enter the inner side of the sealing ring 18, then, the furnace cover 9 is rotated, as the front side of the flange teeth 17 and the inner side of the sealing ring 18 are provided with mutually corresponding inclined planes, the flange teeth 17 can be clamped between the sealing ring 18 and the front edge of the furnace body 1 by rotating the furnace cover 9, and the outer edge of the furnace cover 9 is pressed on the front edge of; when the furnace cover 9 is opened, the furnace cover 9 is rotated reversely, the flange tooth 17 is rotated to a position corresponding to the avoidance tooth groove 16, referring to the attached drawing 1, at the moment, a hinged point of the rocker arm 8 and the connecting rod 5, a hinged point of the connecting rod 5 and the ejector rod 6, and a hinged point of the ejector rod 6 and the furnace body 1 are positioned on a straight line, the rocker arm 8 is positioned at a dead point position and can not move, the furnace cover 9 can not be opened, a gap exists between the flange tooth 17 and the avoidance tooth groove 16 at the moment, the residual pressure in the furnace body 1 can be rapidly balanced by the outside, the situation that the furnace cover 9 is violently flushed by the residual pressure in the furnace body 1 can be avoided, at the moment, the hydraulic oil cylinder 4 can be started to shrink, referring to the attached drawing 2, the rocker arm 8 is separated from the dead point position, the flange tooth 17 passes through the avoidance tooth groove 16 along with the continuous movement of the hydraulic oil cylinder 4, the furnace, the furnace cover 9 is opened quickly, and the residual pressure in the furnace body 1 can be discharged quickly, thereby ensuring safe production.
Regarding the specific implementation mode of the rocker arm 8 rotatably mounted on the furnace cover 9, referring to fig. 3, a pull rod 19 is fixedly arranged at the top end of the furnace cover 9, a pull rod sleeve 10 is sleeved on the rocker arm 8, and the rocker arm 8 is connected with the furnace cover 9 through the pull rod sleeve 10. In order to rotate the furnace cover 9 conveniently, the flange teeth 17 are rotatably clamped in the limiting sleeve 2, referring to fig. 3, external threads are arranged on the outer wall of the pull rod 19, internal threads which can be matched with the external threads are arranged on an inner hole of the pull rod sleeve 10, the pull rod sleeve 10 is screwed on the pull rod 19 through the internal threads, a hand wheel frame 11 is fixedly arranged on the side portion of the pull rod sleeve 10, a hand wheel 12 is rotatably arranged on the hand wheel frame 11, a driving gear 13 which can coaxially rotate with the hand wheel 12 is fixedly arranged on the hand wheel 12, a sliding gear 14 which is meshed with the driving gear 13 is fixedly arranged on the pull rod 19, and the tooth width of the sliding gear 14 is. In the process of closing the furnace cover 9, after the flange teeth 17 penetrate through the avoiding tooth grooves 16, the hand wheel 12 is rotated, the driving gear 13 coaxially mounted with the hand wheel 12 also rotates, the sliding gear 14 meshed with the driving gear 13 also starts to rotate, the sliding gear 14 is fixedly mounted on the furnace cover 9, finally, the furnace cover 9 can rotate, the flange teeth 17 are rotatably clamped in the limiting sleeve 2, the pull rod 19 and the threads on the pull rod sleeve 10 start to play a role along with the rotation of the furnace cover 9, the furnace cover 9 also axially moves towards the furnace body 1 while rotating, the outer edge of the furnace cover 9 is pressed against the outer edge of the furnace body 1, and the sealing of the furnace body 1 is ensured under the double effects of the axial pressure of the flange teeth 17 and the axial pressure of the furnace cover 9. In the axial movement process of the furnace cover 9, the sliding gear 14 axially slides along the driving gear 13, so that the sliding gear 14 and the driving gear 13 are always in an engaged state, the driving gear 13 with the smaller diameter drives the sliding gear 14 with the larger diameter to move, labor is saved, and enough pressure can be provided for the furnace cover 9 through the multi-turn rotating hand wheel 12.
Regarding the hinge structure of the rocker arm 8 and the furnace body 1, referring to fig. 1, a rocker arm support 15 is fixedly installed on the side portion of the furnace body 1, a rocker arm pin 27 connected with the rocker arm 8 is installed on the rocker arm support 15, the rocker arm support 15 is located on the front side of the furnace body 1, and the rocker arm 8 is hinged on the furnace body 1 through the rocker arm support 15. Regarding the hinge structure of the connecting rod 5 and the rocker arm 8, a dead point shaft 20 is installed at one end of the rocker arm 8 connected with the rocker arm support 15, the dead point shaft 20 is parallel to the axis of the rocker arm pin 27, the dead point shaft 20 is positioned at one side far away from the furnace body 1 and the rocker arm support 15, and the connecting rod 5 is hinged on the rocker arm 8 through the dead point shaft 20. Regarding the hinged structure of the ejector rod 6 and the furnace body 1, the side part of the furnace body 1 is fixedly provided with the ejector rod seat 7, the ejector rod seat 7 is provided with an ejector rod pin shaft 28 for connecting the ejector rod 6, the ejector rod seat 7 is positioned behind the rocker arm support 15, the end part of the ejector rod 6 is in hinged fit with the ejector rod seat 7, and the ejector rod 6 is hinged and arranged on the furnace body 1 through the ejector rod seat 7. Regarding the relative position relationship between the dead point shaft 20 and the ejector pin shaft 28, referring to fig. 1, the top end of the piston rod of the hydraulic oil cylinder 4 is provided with an oil cylinder pin shaft 29, the axes of the oil cylinder pin shaft 29, the dead point shaft 20 and the ejector pin shaft 28 are parallel to each other, and the connecting rod 5 and the ejector pin 6 are hinged through the oil cylinder pin shaft 29. Regarding the mounting structure of hydraulic cylinder 4, the lateral part of furnace body 1 is fixed with hydro-cylinder base 3, and hydro-cylinder base 3 all is located same one side relative furnace body 1 with ejector pin seat 7, rocking arm support 15, and hydro-cylinder base 3 is located the rear of ejector pin seat 7, and hydraulic cylinder 4's cylinder body is connected with hydro-cylinder base 3 is articulated.
Regarding the specific structure of the limiting sleeve 2, referring to fig. 3, the limiting sleeve 2 is sleeved on the front side of the furnace body 1, the sealing ring 18 is in an annular convex edge shape and extends inwards along the radial direction of the limiting sleeve 2, the sealing ring 18 is spaced from the front edge of the furnace body 1, and the flange teeth 17 are pressed against the front edge of the furnace body 1 when the furnace cover 9 is in a state of closing the furnace body 1.
In order to conveniently adjust the position of the cylinder pin 29 and ensure that when the flange tooth 17 passes through the avoiding tooth groove 16 but is not clamped with the sealing ring 18, the cylinder pin 29, the dead point shaft 20 and the ejector pin shaft 28 are on the same straight line, referring to fig. 5, the connecting rod 5 comprises a first supporting rod 21 and a second supporting rod 22, a rotating sleeve 23 coaxially connecting the first supporting rod 21 and the second supporting rod 22 is sleeved on the first supporting rod 21 and the second supporting rod 22, a convex edge groove 26 is formed on the outer wall of the second supporting rod 22, a limiting convex edge 24 is arranged at one end of the rotating sleeve 23 close to the convex edge groove 26, the limiting convex edge 24 is clamped in the convex edge groove 26, the rotating sleeve 23 is in rotating fit with the second supporting rod 22 through the limiting convex edge 24, an internal thread is arranged on the inner wall of the rotating sleeve 23, an external thread matched with the internal thread is arranged on the outer wall of the first supporting rod 21, the rotating sleeve 23 is screwed on the first supporting rod 21 through the internal thread, and lug plates 25 are fixedly arranged, the connecting rod 5 is respectively hinged with the dead point shaft 20 and the mandril 6 through two lug plates 25. If when the furnace door is closed, when the flange tooth 17 passes through the avoiding tooth groove 16 but is not clamped with the sealing ring 18, the oil cylinder pin shaft 29, the dead point shaft 20 and the ejector pin shaft 28 are not in the same straight line, the rocker arm 8 can still rotate at the moment and cannot play a role in safe pressure relief, the rotating sleeve 23 can be rotated at the moment, the distance between the first supporting rod 21 and the second supporting rod 22 is controlled, the position of the oil cylinder pin shaft 29 is gradually adjusted, and the dead point shaft 20 and the ejector pin shaft 28 are relatively fixed at the moment, so that the oil cylinder pin shaft 29 can gradually move to the dead point position, and the normal operation of a pressure relief structure on the furnace door is ensured.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
In summary, the present invention is not limited to the above-described embodiments. Those skilled in the art can make several changes and modifications without departing from the spirit and scope of the present invention, and all such changes and modifications should fall within the scope of the present invention.
Claims (9)
1. The utility model provides a stainless steel surface siliconizing device, includes towards the open furnace body (1) of front side, the open bell (9) of closed furnace body (1), characterized by are installed to the front side of furnace body (1): the furnace cover is characterized in that flange teeth (17) are arranged on the outer edge of the furnace cover (9), the flange teeth (17) are provided with a plurality of teeth and surround the furnace cover (9) for one circle, a limiting sleeve (2) is fixedly arranged on the front side of the furnace body (1), a sealing ring (18) is arranged at the front end of the limiting sleeve (2), a plurality of avoiding tooth grooves (16) corresponding to the flange teeth (17) one by one are formed in the sealing ring (18), the flange teeth (17) penetrate through the avoiding tooth grooves (16) to be rotationally clamped in the limiting sleeve (2), a rocker arm (8) is rotatably arranged at the top end of the furnace cover (9), the other end of the rocker arm (8) extends to the furnace body (1) and is hinged on the furnace body (1), a connecting rod (5) is further hinged on the rocker arm (8), a push rod (6) is hinged at one end, far away from the rocker arm (8), of the push rod (6) is hinged on the furnace body (1), and the flange teeth (17) penetrate through, the furnace body is characterized in that a hinged point of the rocker arm (8) and the connecting rod (5), a hinged point of the connecting rod (5) and the ejector rod (6), a hinged point of the ejector rod (6) and the furnace body (1) is positioned on a straight line, a hydraulic oil cylinder (4) is further installed on the furnace body (1), a piston rod of the hydraulic oil cylinder (4) is hinged and installed on a hinged point of the connecting rod (5) and the ejector rod (6), the connecting rod (5) comprises a first supporting rod (21) and a second supporting rod (22), a rotating sleeve (23) coaxially connecting the first supporting rod (21) and the second supporting rod (22) is sleeved on the first supporting rod (21) and the second supporting rod (22), a convex edge groove (26) is formed in the outer wall of the second supporting rod (22), a limiting convex edge clamp (24) is arranged at one end, close to the convex edge groove (26), of the rotating sleeve (23), the limiting convex edge (24) is arranged in the convex edge groove (26, be equipped with the internal thread on the inner wall of commentaries on classics cover (23), be equipped with on the outer wall of first bracing piece (21) with this internal thread matched with external screw thread, change cover (23) and pass through internal thread spiral shell dress on first bracing piece (21), the one end of changeing cover (23) is kept away from with second bracing piece (22) in first bracing piece (21) has all set firmly otic placode (25), connecting rod (5) are connected with dead center axle (20), ejector pin (6) are articulated respectively through two otic placodes (25).
2. The stainless steel surface siliconizing device according to claim 1, which is characterized in that: the top end of the furnace cover (9) is fixedly provided with a pull rod (19), a pull rod sleeve (10) is sleeved on the rocker arm (8), and the rocker arm (8) is in running fit with the furnace cover (9) through the pull rod sleeve (10).
3. The stainless steel surface siliconizing device according to claim 2, characterized in that: be equipped with the external screw thread on the outer wall of pull rod (19), be equipped with on the hole of pull rod cover (10) can with this external screw thread matched with internal thread, pull rod cover (10) pass through internal thread spiral shell dress on pull rod (19), the lateral part of pull rod cover (10) has set firmly hand wheel frame (11), rotate on hand wheel frame (11) and install hand wheel (12), set firmly on hand wheel (12) with but its coaxial pivoted driving gear (13), fixed mounting has sliding gear (14) with driving gear (13) engaged with on pull rod (19), the tooth width of sliding gear (14) is greater than the tooth width of driving gear (13).
4. The stainless steel surface siliconizing device according to claim 1, which is characterized in that: the lateral part of the furnace body (1) is fixedly provided with a rocker arm support (15), a rocker arm pin shaft (27) connected with a rocker arm (8) is arranged on the rocker arm support (15), the rocker arm support (15) is positioned at the front side of the furnace body (1), and the rocker arm (8) is hinged on the furnace body (1) through the rocker arm support (15).
5. The stainless steel surface siliconizing device according to claim 4, which is characterized in that: dead point axle (20) are installed to the one end that rocking arm support (15) are connected to rocking arm (8), and dead point axle (20) are parallel with the axis of rocking arm round pin axle (27), and dead point axle (20) are located the one side of keeping away from furnace body (1) and rocking arm support (15), and connecting rod (5) are installed on rocking arm (8) through dead point axle (20) hinge.
6. The stainless steel surface siliconizing device according to claim 5, which is characterized in that: the furnace body (1) lateral part fixed mounting has ejector pin seat (7), installs ejector pin axle (28) that are used for connecting ejector pin (6) on ejector pin seat (7), and ejector pin seat (7) are located the rear of rocker arm support (15), and the tip and the articulated cooperation of ejector pin seat (7) of ejector pin (6), ejector pin (6) are articulated to be installed on furnace body (1) through ejector pin seat (7).
7. The stainless steel surface siliconizing device according to claim 6, which is characterized in that: the top end of a piston rod of the hydraulic oil cylinder (4) is provided with an oil cylinder pin shaft (29), the axes of the oil cylinder pin shaft (29), the dead center shaft (20) and the ejector rod pin shaft (28) are parallel to each other, and the connecting rod (5) and the ejector rod (6) are hinged through the oil cylinder pin shaft (29).
8. The stainless steel surface siliconizing device according to claim 6, which is characterized in that: the lateral part of the furnace body (1) is fixedly provided with an oil cylinder base (3), the ejector rod seat (7) and the rocker arm support (15) are both positioned on the same side of the furnace body (1), the oil cylinder base (3) is positioned behind the ejector rod seat (7), and the cylinder body of the hydraulic oil cylinder (4) is hinged to the oil cylinder base (3).
9. The stainless steel surface siliconizing device according to claim 1, which is characterized in that: the front side of furnace body (1) is established in stop collar (2) cover, and sealing ring (18) are the annular protruding form of following and radially inwards extend along stop collar (2), and sealing ring (18) and the leading edge of furnace body (1) are at an interval each other, and flange tooth (17) are pressed on the leading edge of furnace body (1) when bell (9) are in closed furnace body (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110139728.2A CN112458397B (en) | 2021-02-02 | 2021-02-02 | Stainless steel surface siliconizing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110139728.2A CN112458397B (en) | 2021-02-02 | 2021-02-02 | Stainless steel surface siliconizing device |
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| CN112458397A CN112458397A (en) | 2021-03-09 |
| CN112458397B true CN112458397B (en) | 2021-04-13 |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201434066Y (en) * | 2009-06-08 | 2010-03-31 | 余姚市舜江机械实业有限公司 | Rotary quick-opening device for pressure vessels |
| CN102605314A (en) * | 2012-03-15 | 2012-07-25 | 宁波东方加热设备有限公司 | Blackening furnace |
| CN204111856U (en) * | 2014-10-14 | 2015-01-21 | 长兴鼎峰炉业有限公司 | A kind of salt-bath nitriding stove |
| CN204612489U (en) * | 2015-04-07 | 2015-09-02 | 中信重工机械股份有限公司 | A kind of air-cylinder type opening and closing lid device |
| CN209338612U (en) * | 2018-10-22 | 2019-09-03 | 兰州理工大学 | A vacuum heat treatment equipment for metal materials |
| CN110230024B (en) * | 2018-12-14 | 2021-08-13 | 昆山三民涂赖电子材料技术有限公司 | Process for nitriding metal surfaces |
| CN210290729U (en) * | 2019-01-17 | 2020-04-10 | 湖南省机械科学研究院有限公司 | a pressure vessel |
| CN111735308A (en) * | 2020-06-24 | 2020-10-02 | 铜陵求精机械有限公司 | Furnace cover opening and closing device of anode furnace |
| CN212299946U (en) * | 2020-06-24 | 2021-01-05 | 铜陵求精机械有限公司 | Furnace cover opening and closing device of anode furnace |
| CN111706673A (en) * | 2020-07-17 | 2020-09-25 | 龙杰机械装备(太仓)有限公司 | Kettle equipment has quick-open door of seal structure |
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