CN217764383U - Muffle furnace heating rod replacing and dismantling device - Google Patents
Muffle furnace heating rod replacing and dismantling device Download PDFInfo
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- CN217764383U CN217764383U CN202220997782.0U CN202220997782U CN217764383U CN 217764383 U CN217764383 U CN 217764383U CN 202220997782 U CN202220997782 U CN 202220997782U CN 217764383 U CN217764383 U CN 217764383U
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Abstract
The utility model provides a muffle furnace heating rod changes demolishs device can show and promote the heating rod and change work efficiency and the operating mass with rated load of demolishing, improves the security of demolising the installation, and extension equipment life promotes the product quality. Comprises a supporting and conveying device and a traction device arranged at the near end of a muffle furnace; the supporting and conveying device is connected with a part of heating rods at the far end or the near end of the muffle furnace in an embedded manner; the traction device is sleeved on the exposed part of the heating rod at the near end of the muffle furnace and is used for driving the heating rod to withdraw from the near end of the muffle furnace.
Description
Technical Field
The utility model relates to a TFT glass produces line equipment maintenance engineering technical field, specifically is a muffle furnace heating rod changes and demolishs device.
Background
The overflow downdraw glass manufacturing process plays a significant role in the manufacture of flat panel display substrate glass. In the production process of the overflow downdraw method, strict requirements are made on the size of an overflow groove and the accurate control of a temperature field in the peripheral space of the overflow groove in the production process, the muffle furnace of the forming process is used for playing a role in accurately controlling the temperature field in the peripheral space of the overflow groove, but in the use process of equipment, the service life of part of a heating device is difficult to reach the full-life working condition of the whole equipment, the manufacturing process of the overflow downdraw method determines the current situation that the temperature of the upper part of the equipment is higher than that of the lower part of the equipment in the forming process, and the natural rising motion of hot air in the production process causes the undesirable gas flow at the part which is not completely sealed, erodes a heater at a corresponding position, and further influences the service life of the heating rod and the uniformity of the temperature field. After the heating device is damaged, a temperature field in the production process is in a state which is difficult to accurately control, the overflow quality is seriously influenced, and finally equipment damage and high product manufacturing cost are caused or the requirements of production process conditions cannot be met. Therefore, the heating device needs to be replaced in time to ensure the normal production of the glass product and the product quality.
However, since the local temperature around the heating rod exceeds 1000 ℃, under the condition of high temperature, the difficulty of the replacement process of the heating device replacement operator is high, the operation risk of the operator is high, and adverse effects such as adverse disturbance of a temperature field are caused. At present, a set of special replacement and dismantling tool, device and method for a heating rod does not exist, rough modes such as manual pulling, hammer knocking and the like are generally adopted, and the defects are as follows:
(1) When the heating rod is loosened initially, the hammer is used for knocking the end face, so that the end face is stressed violently and unevenly, cracks and fractures of the heating rod are easily caused, and the hidden danger is caused when the heating rod is completely pulled out finally;
(2) After the heating rod is loosened, a manual handle mode is adopted, the temperature of the heating rod is high, the problems of difficulty in exerting force and personal safety exist when a user wears high-temperature gloves and works high above the ground, the levelness problem of the heating rod in the whole withdrawing process cannot be guaranteed, and the heating rod is easy to break, low in efficiency and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the prior art, the utility model provides a muffle furnace heating rod changes demolishs device can show and promote the heating rod and change work efficiency and the operating mass with rated load of demolishing, improves the security of demolising the installation simultaneously, and extension equipment life promotes the product quality.
In order to achieve the above object, the utility model provides a following technical scheme:
a muffle furnace heating rod replacing and removing device comprises a supporting and conveying device and a traction device arranged at the near end of a muffle furnace;
the supporting and conveying device is connected with a part of heating rod at the far end of the muffle furnace or at the near end of the muffle furnace in an embedded manner;
the traction device is sleeved on the exposed part of the heating rod at the near end of the muffle furnace and used for driving the heating rod to withdraw from the near end of the muffle furnace.
Preferably, the traction device comprises a proximal end insulating sleeve, a clamping sleeve, a jackscrew, a connecting ring, a traction rope and a driving unit;
the near-end insulating sleeve wraps the exposed part of the near-end heating rod of the muffle furnace, the clamping sleeve is connected with the exposed part of the heating rod in a clamping mode through a jackscrew, a connecting ring is fixedly connected to the traction side of the clamping sleeve, the connecting ring is connected with a driving unit through a traction rope, and the driving unit is used for providing power for the traction heating rod.
Preferably, the connecting ring is arranged at a corresponding position of the center of the heating rod;
when the heating rod is disassembled, the traction rope is axially parallel to the heating rod.
Preferably, the supporting and conveying device adopts a supporting rod, and the heating rod is of a hollow structure;
when the support rod is dismounted, the support rod is connected with the heating rod from the far end of the muffle furnace in an embedded manner;
when the device is replaced, the support rod is connected with the heating rod in an embedded mode from the near end of the muffle furnace.
Preferably, the support rod is a stainless steel tube, and the diameter of the support rod is smaller than the inner diameter of the heating rod.
Preferably, the device further comprises a loosening device arranged at the far end of the muffle furnace before being detached, wherein the loosening device comprises a far-end insulating sleeve, a jacking sleeve, a fixing frame, a nut, a lead screw and a bearing;
the insulating cover of distal end parcel muffle furnace distal end heating rod's of package exposes the part, inside the tight one end embedding heating rod of top, the shrinkage pool has been seted up to the other end of the tight cover in top, the lead screw passes the bearing and passes through the mount is fixed, and in the shrinkage pool of the tight cover in top was arranged in to the one end of lead screw, another pot head was equipped with the nut.
Preferably, the outer diameter of the tightening sleeve is smaller than the inner diameter of the heating rod, and the outer diameter of the lead screw is smaller than the aperture of the concave hole of the tightening sleeve.
Preferably, the screw is a ball screw, and the bearing is a ball bearing.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a pair of device is demolishd in muffle furnace heating rod change can realize that TFT glass produces quick, the safety change of line shaping process muffle furnace heating rod and demolishs, compare in traditional adoption in the past manually pull out, the hammer strikes etc. and carries out the heating rod and change the rough mode of demolishing, cause heating rod terminal surface atress acutely and inhomogeneous easily, thereby cause heating rod crackle and fracture, take out completely for final heating rod and cause the hidden danger, the temperature of heating rod is high, there are power difficulty and personal safety problem in hand-worn high temperature gloves and high altitude construction, the utility model discloses in the change of design demolishs the device, has formed one set of complete heating rod special use and has demolishd the device, make the change demolish the operation more standardized, standardize. The traction device is designed to be clamped with the heating rod at the near end of the muffle furnace, and power is provided to pull the heating rod to be uniformly and horizontally pulled out, so that the heating rod is higher in levelness, safer to operate and higher in efficiency in the whole withdrawing process, and the personal safety of operating personnel is prevented from being damaged by the high temperature of the heating rod; meanwhile, the support conveying device is designed to adopt a far-end support conveying mode, the support conveying device is embedded into the heating rod at the far end of the muffle furnace and connected with the heating rod into a whole, the heating rod is supported and conveyed, the heating rod can be guaranteed to always keep horizontal linear motion in the withdrawing motion process, the withdrawal is more stable, the friction force between the local part of the heating rod and the muffle furnace steel in the withdrawing process is reduced, and the fracture risk is reduced. Change demolish device can improve the work efficiency and the operating mass with the work quality of changing the demolition greatly, reduce because change the long cold shock that causes for equipment of time and damage the risk, improve the operation security, when guaranteeing that TFT glass produces line shaping process muffle furnace equipment production safety and for process conditions provides the powerful guarantee, and then extension equipment life and promotion product quality.
Further, the utility model discloses an outside parcel at muffle furnace near-end heating rod has the near-end insulating cover, can play the thermal-insulated effect of heat-proof at a distance from the temperature when protecting the heating rod body, the cutting ferrule cover is established on the heating rod that the parcel has the near-end insulating cover, be connected as an organic wholely with the heating rod chucking, go-between and the haulage rope that the side of pulling through the cutting ferrule set up are connected to drive unit, start drive unit and provide towed power for whole draw gear, drive simultaneously through the haulage rope pulling cutting ferrule and be connected the heating rod as an organic whole with the cutting ferrule and pull then, the heating rod begins to do the withdrawing movement under the traction force effect, withdraw from the back completely until the heating rod, close drive unit, stop pulling, realize that the safety and stability of heating rod demolishs.
Further, the utility model discloses except that the draw gear of design at the muffle near-end drives the heating rod and is withdrawed from the motion, still designed one kind at the muffle distal end and held in the palm and send the device, specifically be the bracing piece in a certain embodiment, form an organic wholely with the heating rod in through embedding the bracing piece heating rod, in other end tractive, the bracing piece of distal end can support to lift the heating rod and keep horizontal axial direction motion all the time, and not construct the contact friction with the inside steel of muffle, damage heating rod and muffle equipment, the joining that should hold in the palm to send the device can show and reduce the local fracture risk of heating rod, promote the product quality when extension equipment life.
Drawings
FIG. 1 is a schematic cross-sectional view of the replacement/demolition device of the present invention;
FIG. 2 is a schematic supporting and conveying view of the conveying device of the present invention;
fig. 3 is a schematic view of a near end of a muffle furnace according to an embodiment of the present invention.
In the figure, a muffle furnace 0, a first left heating rod 1, a second left heating rod 2, a third left heating rod 3, a first left heating rod mounting hole 4, a second left heating rod mounting hole 5, a third left heating rod mounting hole 6, a first right heating rod 1', a second right heating rod 2', a third right heating rod 3', a first right heating rod mounting hole 4', a second right heating rod mounting hole 5', a third right heating rod mounting hole 6', a near-end insulating sleeve 7, a far-end insulating sleeve 7', a clamping sleeve 8, a jackscrew 9, a connecting ring 10, a traction rope 11, a traction device 12, a jacking sleeve 13, a fixing frame 14, a nut 15, a lead screw 16, a bearing 17 and a support rod 18.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The present invention will be described in further detail with reference to the accompanying drawings:
as shown in fig. 1 and 2, the muffle furnace heating rod replacing and removing device of the present invention comprises a supporting and conveying device and a traction device 12 arranged at the near end of the muffle furnace;
the supporting and conveying device is connected with a part of heating rods at the far end or the near end of the muffle furnace in an embedded manner;
the traction device 12 is sleeved on the exposed part of the heating rod at the near end of the muffle furnace, and the traction device 12 is used for driving the heating rod to withdraw from the near end of the muffle furnace.
The utility model provides a muffle furnace heating rod changes demolishs device, can realize that TFT glass produces quick, the safety change of line shaping process muffle furnace heating rod and demolishs, compare in traditional adoption in the past manually pull out, the hammer strikes etc. and carries out the heating rod and change the rough mode of demolishing, cause heating rod terminal surface atress acutely and inhomogeneous easily, thereby cause heating rod crackle and fracture, take out completely for final heating rod and cause the hidden danger, the temperature of heating rod is high, there are power difficulty and personal safety problem in hand-worn high temperature gloves and high altitude construction, the utility model discloses in the change of design demolishs the device, has formed one set of complete heating rod special use and has demolishd the device, make the change demolish the operation more standardized, normalized. The traction device 12 is designed to be clamped with the heating rod at the near end of the muffle furnace, and power is provided to pull the heating rod out uniformly and horizontally, so that the heating rod is higher in horizontal degree, safer to operate and higher in efficiency in the whole withdrawing process, and the personal safety of operating personnel is prevented from being damaged by the high temperature of the heating rod; meanwhile, the supporting and conveying device is designed to adopt a far-end supporting and conveying mode, the heating rod embedded into the far end of the muffle furnace is connected with the heating rod into a whole, the heating rod is supported and conveyed, the heating rod can be guaranteed to always keep horizontal linear motion in the withdrawing motion process, the withdrawal is more stable, the friction force between the local part of the heating rod and the muffle furnace steel structure in the withdrawing process is reduced, and the fracture risk is reduced. Change demolish device can improve the work efficiency and the operating mass with the work quality of changing the demolition greatly, reduce because change the long cold shock that causes for equipment of time and damage the risk, improve the operation security, when guaranteeing that TFT glass produces line shaping process muffle furnace equipment production safety and for process conditions provides the powerful guarantee, and then extension equipment life and promotion product quality.
Further, the traction device 12 comprises a proximal end insulation sleeve 7, a clamping sleeve 8, a jackscrew 9, a connecting ring 10, a traction rope 11 and a driving unit;
the near-end insulating sleeve 7 wraps the exposed part of the near-end heating rod of the muffle furnace, the clamping sleeve 8 is connected with the exposed part of the heating rod in a clamping mode through a jackscrew 9, a connecting ring 10 is fixedly connected to the traction side of the clamping sleeve 8, the connecting ring 10 is connected with a driving unit through a traction rope 11, and the driving unit is used for providing power for the traction heating rod.
The utility model discloses an outside parcel at muffle furnace near-end heating rod has near-end insulating cover 7, can play the thermal-insulated effect of heat-proof at a distance from the temperature when protecting the heating rod body, 8 covers of cutting ferrule are established on the heating rod that the parcel has near-end insulating cover 7, be connected as an organic wholely with the heating rod chucking, go-between 10 and haulage rope 11 through 8 the setting of the side of pulling of cutting ferrule are connected to drive unit, start drive unit and provide towed power for whole draw gear 12, drive simultaneously through haulage rope 11 pulling cutting ferrule 8 and be connected the heating rod as an organic whole with cutting ferrule 8 and pull then, the heating rod begins to do under the traction force effect and withdraws from the motion, withdraw from the back completely until the heating rod, close drive unit, stop pulling, realize that the safety and stability of heating rod demolishs.
Furthermore, the connecting ring 10 is arranged at the corresponding position of the center of the heating rod, so that the traction acting force applied to the heating rod is more uniform and balanced, the heating rod is ensured not to deviate in the moving process, and the heating rod is always horizontally withdrawn along the axial direction.
Further, when the heating rod is disassembled, the traction rope 11 is axially parallel to the heating rod, so that the heating rod can be ensured to horizontally withdraw along the axial direction all the time.
Furthermore, the supporting and conveying device adopts a supporting rod 18, and the heating rod is of a hollow structure;
when the furnace is disassembled, the support rod 18 is connected with the heating rod from the far end of the muffle furnace in an embedded manner;
when the furnace is replaced, the support rod 18 is connected with the heating rod in an embedded mode from the near end of the muffle furnace.
The utility model discloses except that the draw gear 12 of design at the near-end of muffle furnace drives the heating rod and is withdrawed from the motion, still designed one kind at the muffle furnace distal end and held in the palm and send the device, specifically be bracing piece 18 in a certain embodiment, form an organic wholely with the heating rod in through imbedding the bracing piece 18 heating rod, in other end tractive, the bracing piece 18 of distal end can support and lift the heating rod and keep horizontal axial direction motion all the time, and not construct the contact friction with the inside steel of muffle furnace, damage heating rod and muffle furnace equipment, the joining that should hold in the palm and send the device can show and reduce the local fracture risk of heating rod, promote the product quality when extension equipment life.
Preferably, the support rod 18 is made of a stainless steel tube, and the diameter of the support rod 18 is smaller than the inner diameter of the heating rod, so that the support rod 18 and the heating rod can be connected in an embedded manner.
Further, the device comprises a loosening device arranged at the far end of the muffle furnace before being detached, wherein the loosening device comprises a far-end insulating sleeve 7', a jacking sleeve 13, a fixed frame 14, a nut 15, a lead screw 16 and a bearing 17;
the insulating cover of distal end 7' parcel muffle furnace distal end heating rod's of parcel exposes the part, inside the tight one end embedding heating rod of top cover 13, the shrinkage pool had been seted up to the other end of the tight cover 13 in top, lead screw 16 passes bearing 17 and passes through the mount 14 is fixed, and in the shrinkage pool of the tight cover 13 in top was arranged in to lead screw 16's one end, another pot head was equipped with nut 15.
The utility model discloses in still design and add one kind not hard up device, before demolising, replace manual hammer to strike not hard up heating rod, adopt the ejecting mode of lead screw 16, inside through the one end embedding heating rod that will push up tight cover 13 to will assemble mount 14, nut 15, lead screw 16, bearing 17 together in advance and push up tight cover 13 fixed, rotatory nut 15 pushes up tight cover 13, promotes the heating rod and makes it not hard up, the utility model provides a not hard up device of heating rod makes the even, quick not hard up of heating rod terminal surface atress, greatly reduced heating rod's fracture risk.
Wherein, the external diameter of the tight cover 13 of top is less than the internal diameter of heating rod, the external diameter of lead screw 16 is less than the aperture of the tight cover 13 shrinkage pool of top, the assembly of each part and the embedded connection of device and heating rod between the device of being convenient for.
Preferably, the screw 16 is a ball screw, and the bearing 17 is a ball bearing.
The utility model provides a pair of muffle furnace heating rod is changed and is demolishd device in the use, including following step:
sleeving the traction device 12 on the exposed part of the heating rod at the near end of the muffle furnace, and embedding the supporting and conveying device into the heating rod from the far end of the muffle furnace;
the traction device 12 provides traction force to drive the heating rod to withdraw from the near end of the muffle furnace, and meanwhile, the supporting and conveying device moves from the far end of the muffle furnace to the near end of the muffle furnace together with the heating rod, and the supporting and conveying device enables the heating rod to be kept horizontal in the moving process;
and when the supporting and conveying device moves for a certain distance along with the heating rod, the supporting and conveying device is withdrawn, the traction device 12 continues to pull the heating rod to move until the heating rod is completely withdrawn from the near end of the muffle furnace, and the disassembly is completed.
Further, after the dismantling is completed, the method also comprises the step of replacing a new heating rod, and specifically comprises the following steps:
after inserting a distance with new heating rod from the near-end of muffle furnace, will ask to send the device to follow the near-end of muffle furnace and imbed in the new heating rod, through promoting ask to send the device to continue to insert new heating rod, until new heating rod is worn out from the far-end of muffle furnace completely, change the completion.
Examples
In this embodiment, the glass liquid flow direction is from right to left, from top to bottom, and the right side of glass liquid flow direction is the muffle furnace near-end, and the left side is the muffle furnace distal end.
As shown in fig. 3, in this embodiment, the muffle furnace is provided with a first left heating rod 1, a second left heating rod 2, a third left heating rod 3, a first left heating rod mounting hole 4, a second left heating rod mounting hole 5, a third left heating rod mounting hole 6, a first right heating rod 1', a second right heating rod 2', a third right heating rod 3', a first right heating rod mounting hole 4', a second right heating rod mounting hole 5', and a third right heating rod mounting hole 6', wherein each set of muffle furnace is provided with 6 horizontal heating rods, three horizontal heating rods are vertically arranged on the left and the right, the first left heating rod 1, the second left heating rod 2, the third left heating rod 3, the first right heating rod 1', the second right heating rod 2', and the third right heating rod 3' are all hollow structures, and the length is between 2m and 6 m.
The muffle furnace heating rod replacing and removing device in the embodiment comprises a near-end insulating sleeve 7, a far-end insulating sleeve 7', a clamping sleeve 8, a jackscrew 9, a connecting ring 10, a traction rope 11, a traction device 12, a jacking sleeve 13, a fixing frame 14, a nut 15, a lead screw 16, a bearing 17 and a support rod 18.
As shown in fig. 1, the left heating rod 1 is provided with a near-end insulating sleeve 7, a ferrule 8, a jackscrew 9, a connecting ring 10, a traction rope 11 and a traction device 12 which are connected in sequence.
The support rod 18 is a stainless steel pipe, the ferrule 8 and the connecting ring 10 are made of stainless steel, and the jackscrew 9 is made of carbon steel.
Wherein, the hauling cable 11 is a steel wire rope; the pulling device 12 is a standard device.
Wherein the screw 16 is a ball screw, and the bearing 17 is a ball bearing.
As shown in fig. 2, when the left heating rod 1 exits to the near end of the muffle furnace, the left heating rod 1 is connected to the support rod 18 and is embedded in the inner hole of the left heating rod 1.
Wherein, the hauling cable 11 is connected with the connecting ring 10 and can rotate freely relative to the connecting ring 10.
Wherein, the hauling cable 11 is horizontally concentric with the connecting ring 10 and the right heating rod.
Wherein, the near end of the heating rod is provided with a near-end insulating sleeve 7, the far end of the heating rod is provided with a far-end insulating sleeve 7', and the near-end insulating sleeve 7 and the far-end insulating sleeve 7' are both made of insulating high-temperature-resistant materials.
Wherein, the puller sleeve 13 is embedded into the left heating rod 1 from the far end, and the outer diameter of the puller sleeve 13 is smaller than the inner diameter (about 8-10 mm) of the left heating rod 1.
Wherein, the outer diameter of the screw rod 16 is smaller than the aperture of the concave hole of the puller sleeve 13.
In this embodiment, the setting of two heating rods 2 on the left, three heating rods 3 on the left, a heating rod 1' on the right, two heating rods 2' on the right, three heating rods 3' on the right is the same with the setting of a heating rod 1 on the left.
In this embodiment, the specific removal and replacement processes are as follows:
firstly, assembling a nut 15, a lead screw 16, a bearing 17 and a fixed frame 14 together in advance, then installing the fixed frame 14, and embedding a puller sleeve 13 into a left heating rod 1;
step two, installing a traction device 12 while performing the step one, assembling the cutting sleeve 8, the connecting ring 10 and the jackscrew 9 together, covering the cutting sleeve 8 on the left heating rod 1 from the near end, tightly jacking the cutting sleeve 8 and the left heating rod 1 by using the jackscrew 9, and connecting the traction rope 11 with the connecting ring 10;
thirdly, the nut 15 is rotated by a wrench to tightly push the tightening sleeve 13, and the left heating rod 1 is pushed until the left heating rod 1 reaches the loosening state position and stops;
step four, rapidly removing the puller sleeve 13 and the fixing frame 14;
step five, immediately embedding the support rod 18 into the left heating rod 1 from the far end;
step six, starting the traction device 12, and uniformly drawing the connecting ring 10 through the traction rope 11 to drive the left heating rod 1 to exit towards the near end together;
step seven, when the left heating rod 1 exits towards the near end, the support rod 18 is adopted to drag the left heating rod 1 from the far end, so that the support rod 18 moves towards the near end along with the left heating rod 1 along with the traction device 12;
step eight, when the supporting rod 18 moves towards the near end along with the left heating rod 1 and the movement distance of the traction device 12 is more than one third of the length of the left heating rod 1, the supporting rod 18 is withdrawn;
step nine, continuing to start the traction device 12 until the left heating rod 1 completely exits from the near-end steel structure of the muffle furnace;
step ten, dismantling the clamping sleeve 8, the traction rope 11 and the traction device 12;
step eleven, horizontally inserting a new heating rod into the left heating rod mounting hole 4 from the near end by hand support until the insertion depth of the new heating rod is one third of the length of the heating rod;
step twelve, the support rod 18 is quickly inserted into the new heating rod, and the insertion work of the new heating rod is continued until the new heating rod completely penetrates out from the far end;
and step thirteen, the supporting rod 18 is quickly pulled out, namely the left heating rod 1 is removed and replaced.
Fourteen, the dismounting and replacing methods of the left second heating rod 2, the left third heating rod 3, the right first heating rod 1', the right second heating rod 2' and the right third heating rod 3' are the same as the dismounting and replacing steps of the left first heating rod 1, namely, the steps from the first step to the thirteenth step are repeated.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents of the embodiments of the invention may be made without departing from the spirit and scope of the invention, which should be construed as being covered by the claims.
Claims (8)
1. A muffle furnace heating rod replacing and removing device is characterized by comprising a supporting and conveying device and a traction device (12) arranged at the near end of a muffle furnace;
the supporting and conveying device is connected with a part of heating rods at the far end or the near end of the muffle furnace in an embedded manner;
the heating rod exposing part at the near end of the muffle furnace is sleeved with the traction device (12), and the traction device (12) is used for driving the heating rod to withdraw from the near end of the muffle furnace.
2. A muffle heating rod exchange and removal device according to claim 1, characterized in that the pulling device (12) comprises a proximal end insulation sleeve (7), a cutting sleeve (8), a top thread (9), a connecting ring (10), a pulling rope (11) and a driving unit;
the near-end insulating sleeve (7) wraps the exposed part of the near-end heating rod of the muffle furnace, the clamping sleeve (8) is connected with the exposed part of the heating rod through a jackscrew (9), a connecting ring (10) is fixedly connected to the traction side of the clamping sleeve (8), the connecting ring (10) is connected with a driving unit through a traction rope (11), and the driving unit is used for providing power for the traction heating rod.
3. A muffle heating rod exchange dismantling device according to claim 2 characterized in that the connection ring (10) is arranged at the corresponding position of the heating rod center;
when the heating rod is dismounted, the traction rope (11) is axially parallel to the heating rod.
4. The muffle heating rod replacing and removing device according to claim 1, wherein the supporting device adopts a support rod (18), and the heating rod is of a hollow structure;
when the furnace is disassembled, the support rod (18) is connected with the heating rod in an embedded manner from the far end of the muffle furnace;
when the furnace is replaced, the support rod (18) is connected with the heating rod in an embedded mode from the near end of the muffle furnace.
5. A muffle heating rod replacing and removing device according to claim 4, characterized in that the support rod (18) is made of stainless steel tube, and the tube diameter of the support rod (18) is smaller than the inner diameter of the heating rod.
6. The muffle heating rod replacing and removing device according to claim 1, further comprising a loosening device arranged at the far end of the muffle before removing, wherein the loosening device comprises a far-end insulating sleeve (7'), a tightening sleeve (13), a fixing frame (14), a nut (15), a lead screw (16) and a bearing (17);
the heating rod's of muffle furnace distal end exposure part is wrapped up to distal end insulating cover (7'), inside the one end embedding heating rod of tight cover in top (13), the shrinkage pool had been seted up to the other end of tight cover in top (13), lead screw (16) pass bearing (17) and pass through mount (14) are fixed, and in the shrinkage pool of tight cover in top (13) was arranged in to the one end of lead screw (16), another pot head was equipped with nut (15).
7. A muffle heating rod exchange and removal device according to claim 6, characterized in that the outer diameter of the puller sleeve (13) is smaller than the inner diameter of the heating rod, and the outer diameter of the lead screw (16) is smaller than the hole diameter of the concave hole of the puller sleeve (13).
8. A muffle heating rod exchange and removal device according to claim 6, characterized in that the screw (16) is a ball screw and the bearing (17) is a ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220997782.0U CN217764383U (en) | 2022-04-27 | 2022-04-27 | Muffle furnace heating rod replacing and dismantling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220997782.0U CN217764383U (en) | 2022-04-27 | 2022-04-27 | Muffle furnace heating rod replacing and dismantling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217764383U true CN217764383U (en) | 2022-11-08 |
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ID=83883607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220997782.0U Active CN217764383U (en) | 2022-04-27 | 2022-04-27 | Muffle furnace heating rod replacing and dismantling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217764383U (en) |
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2022
- 2022-04-27 CN CN202220997782.0U patent/CN217764383U/en active Active
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