CN214172961U - Buffer device for discharging circular furnace tube blank and circular furnace tube blank discharging roller way system - Google Patents
Buffer device for discharging circular furnace tube blank and circular furnace tube blank discharging roller way system Download PDFInfo
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- CN214172961U CN214172961U CN202022834186.4U CN202022834186U CN214172961U CN 214172961 U CN214172961 U CN 214172961U CN 202022834186 U CN202022834186 U CN 202022834186U CN 214172961 U CN214172961 U CN 214172961U
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Abstract
A buffer device for discharging a tube blank of an annular furnace is used for rolling and buffering the tube blank which rolls into a discharging roller way from a blank falling rack. The buffer block is arranged on one side of the furnace outlet roller way and used for buffering the rolling of the tube blank rolled into the furnace outlet roller way and stopping the tube blank on the furnace outlet roller way. The utility model also provides an install this annular furnace pipe and go out stove and use buffer's annular furnace pipe roll table system of going out stove. The buffer device for discharging the tube blank of the annular furnace is provided with the buffer block in a suspension mode, the tube blank is contacted with the buffer block when being rushed to a discharging roller way, the rolling of the tube blank is buffered by the buffer block, and the tube blank which rolls does not impact the discharging roller way any more. The utility model provides a buffer block adopts suspended structure, and it is not only effectual to cushion, and buffer capacity is strong, can also satisfy the buffering requirement of heavy pipe (weight is greater than or equal to 3 tons), and the reliability is high moreover, realizes non-maintaining completely.
Description
Technical Field
The utility model relates to a pipe conveying equipment technical field, more specifically say, in particular to buffer and ring furnace pipe roll table system of coming out of stove for the ring furnace pipe comes out of stove.
Background
After the tube blank is heated by the annular furnace, the surface of the tube blank is very easy to form oxide skin due to oxidation and burning loss, and the prior art is operated as follows for how to remove the oxide skin: and clamping the tube blank by adopting a discharging clamp, then dropping the tube blank onto a blank dropping rack, and removing oxide skin by impact force.
When the tube blank rolls into the furnace outlet roller way along the inclined plane of the blank falling rack, the tube blank is easy to rush out of the furnace outlet roller way due to large impact force, so that the furnace outlet roller way is damaged, and the production can be interrupted in serious cases. In order to prevent the tube blank from rushing out of the furnace roller way, a buffer device is required to buffer the tube blank, so that the tube blank is ensured to smoothly fall into the roller way, the roller way is ensured not to be damaged, and the normal production is ensured.
At present, a tube blank buffering device commonly used in the prior art is a damping block or a spring arranged on a furnace discharging roller table rack, and the damping block or the spring plays a role in damping and buffering a tube blank. Although the damping block or the spring has a certain effect, the damping block or the spring has obvious defects, for example, the damping block or the spring has limited buffering capacity and cannot meet the buffering requirement of a heavy tube blank (the weight is more than or equal to 3 tons), and the existing tube blank buffering device also has the problems of poor reliability, frequent maintenance and the like.
SUMMERY OF THE UTILITY MODEL
In summary, how to provide a buffer device with high reliability and capable of meeting various buffer requirements is a problem to be solved urgently by those skilled in the art.
In order to achieve the above object, the present invention provides the following technical solutions:
a buffer device for discharging a tube blank of an annular furnace is used for rolling and buffering the tube blank which rolls into a discharging roller way from a blank falling rack.
This package ring furnace pipe blank buffer for stove includes:
the bracket is arranged on one side of the furnace discharging roller way;
the buffer block is suspended on the support and arranged on one side of the furnace outlet roller way, and the buffer block is used for buffering the tube blank which rolls into the furnace outlet roller way and stopping the tube blank on the furnace outlet roller way.
Preferably, in the buffering device for discharging the circular furnace tube blank from the furnace provided by the utility model, a chain is arranged on the bracket, one end of the chain is connected with the bracket, and the other end of the chain is connected with the buffer block.
Preferably, in the buffering device for discharging the circular furnace tube blank from the furnace provided by the utility model, the chain is a chain with adjustable length.
Preferably, in the utility model provides an annular furnace pipe goes out buffer for stove, the support include back grudging post and with the parallel preceding grudging post of back grudging post, in back grudging post and the top of preceding grudging post is provided with horizontal support arm, the one end of horizontal support arm with back grudging post fixed connection, the middle part of horizontal support arm with preceding grudging post is connected, the other end of horizontal support arm with the chain is connected.
Preferably, in the utility model provides an annular furnace pipe goes out buffer for stove, the chain be used for with the one end that the buffer block is connected is provided with the shackle, the chain passes through the shackle with the link can be dismantled to the buffer block.
Preferably, in the buffering device for discharging the circular furnace tube blank from the furnace provided by the utility model, at least two hanging brackets are arranged on the horizontal supporting arm at intervals, the chain is used for connecting one end of the horizontal supporting arm with the hanging bracket, and each hanging bracket is correspondingly provided with one chain.
Preferably, in the buffer device for discharging the circular furnace pipe blank from the furnace provided by the utility model, the length of the buffer block is not less than that of the pipe blank.
Preferably, in the buffering device for discharging the circular furnace pipe blank from the furnace provided by the utility model, the bracket is of a frame structure made of profile steel by welding.
The utility model also provides an annular furnace pipe roll table system of coming out of stove, including the roll table of coming out of the stove, the side of coming out of stove of one side for being used for the pipe roll-in, the opposite side of roll table of coming out of the stove is the buffering side, the utility model provides an annular furnace pipe buffer for coming out of the stove then set up in the buffering side of roll table of coming out of the stove, annular furnace pipe buffer for coming out of the stove includes the buffer block, the buffer block is located the buffering side is higher than the roll table of coming out of the stove.
The utility model provides an among the ring furnace pipe roll table system of coming out of stove, the buffer block formula structure of rectangular shape integral type, the length direction of buffer block with the roll table of coming out of stove is parallel to the direction of delivery of pipe.
The utility model has the advantages as follows:
the utility model provides a buffer device for discharging annular furnace tube blanks, which is used for rolling and buffering tube blanks rolled into a discharging roller way from a blank falling rack. The buffer block is arranged on one side of the furnace outlet roller way and used for buffering the rolling of the tube blank rolled into the furnace outlet roller way and stopping the tube blank on the furnace outlet roller way.
The utility model also provides an install this annular furnace pipe and go out stove and use buffer's annular furnace pipe roll table system of going out stove.
The utility model discloses in, this buffer for ring furnace pipe tapping adopts the mode of hanging to set up the buffer block, and with the buffer block contact when the pipe dashes on the tapping roller way, cushion the roll of pipe by the buffer block, rolling pipe no longer causes the impact to the tapping roller way like this. The utility model provides a buffer block adopts suspended structure, and it is not only effectual to cushion, and buffer capacity is strong, can also satisfy the buffering requirement of heavy pipe (weight is greater than or equal to 3 tons), and the reliability is high moreover, realizes non-maintaining completely.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Wherein:
FIG. 1 is a front view of a buffering device for discharging a tube blank of a circular furnace from the furnace according to an embodiment of the present invention;
FIG. 2 is a top view of a buffering device for discharging tube blanks of the annular furnace in an embodiment of the present invention;
FIG. 3 is a side view of a buffering device for discharging tube blanks of the annular furnace in an embodiment of the present invention.
Description of reference numerals:
the device comprises a buffer block 1, a chain 2, a rear vertical frame 3, a front vertical frame 4, a transverse supporting arm 5, a hanging bracket 6 and a support beam 7;
front vertical frame support legs 41, a front vertical frame support leg anchoring column 42, a front vertical frame support leg base 43 and a front vertical frame reinforcing wing plate 44.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. Each example is provided by way of explanation of the invention and not limitation of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.
In the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The terms "connected" and "connected" used in the present invention should be understood in a broad sense, and may be, for example, either fixed or detachable; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
Referring to fig. 1 to 3, wherein fig. 1 is a front view of a buffering device for discharging a tube blank of a circular furnace from the furnace according to an embodiment of the present invention; FIG. 2 is a top view of a buffering device for discharging tube blanks of the annular furnace in an embodiment of the present invention; FIG. 3 is a side view of a buffering device for discharging tube blanks of the annular furnace in an embodiment of the present invention.
The utility model provides a buffer device for discharging annular furnace tube blanks, which is used for buffering the rolling of the tube blanks rolled into a discharging roller way from a blank falling rack.
The utility model provides a buffer for discharging ring furnace pipe blank includes support, buffer block 1, chain 2 and other complementary parts.
Specifically, the scaffold structure is as follows: the support includes back grudging post 3 and with the parallel preceding grudging post 4 of back grudging post 3, under the user state, back grudging post 3 and preceding grudging post 4 are vertical setting status, are provided with horizontal support arm 5 in the top of back grudging post 3 and preceding grudging post 4, horizontal support arm 5 transversely sets up, the one end and the 3 fixed connection of back grudging post of horizontal support arm 5, the middle part and the preceding grudging post 4 of horizontal support arm 5 are connected, the other end of horizontal support arm 5 is for preceding grudging post 4 protrusion forward and be connected with chain 2.
The rear vertical frame 3 is made of section steel by welding, and the section steel can be channel steel or I-steel. The rear vertical frame 3 comprises two rear vertical frame supporting legs which are vertically arranged (in a use state), the lower ends of the rear vertical frame supporting legs are provided with rear vertical frame supporting leg anchoring and entering cylinders, and the rear vertical frame supporting legs are arranged on the ground in a mode of anchoring and fixing through the rear vertical frame supporting leg anchoring and entering cylinders. The upside that is located back grudging post landing leg anchor income cylinder on the grudging post landing leg of back is provided with back grudging post landing leg base, the downside and the ground contact of back grudging post landing leg base for increase the area of contact between back grudging post landing leg and the ground, can increase the stability that back grudging post 3 set up subaerial like this. The side has set up back grudging post reinforcement pterygoid lamina at the side of going up of back grudging post landing leg base, and back grudging post reinforcement pterygoid lamina is vertical to be set up, and back grudging post reinforcement pterygoid lamina is provided with a plurality ofly, and the equal interval setting of back grudging post landing leg is encircleed to whole back grudging post reinforcement pterygoid lamina. Therefore, the structural firmness between the base of the support leg of the rear vertical frame and the support leg of the rear vertical frame can be increased.
The utility model discloses an in the preferred embodiment, back grudging post landing leg is provided with two, and two back grudging post landing legs are parallel and the interval sets up, are provided with back grudging post reinforcing horizontal pole between two back grudging post landing legs for increase the structural strength of back grudging post 3 structure.
The front vertical frame 4 is made of section steel by welding, and the section steel can be channel steel or I-steel. The front vertical frame 4 comprises two front vertical frame supporting legs 41 which are vertically arranged (in a use state), a front vertical frame supporting leg anchoring column body 42 is arranged at the lower end of each front vertical frame supporting leg 41, and the front vertical frame supporting legs 41 are arranged on the ground in an anchoring and fixing mode through the front vertical frame supporting leg anchoring column body 42. A front stand leg base 43 is provided on the front stand leg 41 and on the upper side of the front stand leg anchoring cylinder 42, and the lower side surface of the front stand leg base 43 is in contact with the ground for increasing the contact area between the front stand leg 41 and the ground, so that the stability of the front stand 4 provided on the bottom surface can be increased. A plurality of front vertical frame reinforcing wing plates 44 are arranged on the upper side surface of the front vertical frame support leg base 43, the front vertical frame reinforcing wing plates 44 are arranged vertically, and all the front vertical frame reinforcing wing plates 44 are arranged at equal intervals around the front vertical frame support leg 41. This can increase the structural rigidity between the front stand leg base 43 and the front stand leg 41.
In the utility model discloses a preferred embodiment, preceding grudging post landing leg 41 is provided with two, and two preceding grudging post landing legs 41 are parallel and the interval sets up, are provided with preceding grudging post reinforcing horizontal pole between two preceding grudging post landing legs 41 for the structural strength of 4 structures of preceding grudging posts increases.
Preceding grudging post 4 is the same with back grudging post 3 that sets up the height, and preceding grudging post 4 sets up at the interval between 3 with the back grudging post, has set up the reinforcing bar between the frame between preceding grudging post landing leg that the homonymy set up and back grudging post landing leg for increase the structural strength of whole support.
The transverse support arm 5 is arranged at the tops of the front vertical frame 4 and the rear vertical frame 3 and used for mounting the buffer block 1. The one end and the back grudging post 3 fixed connection of horizontal support arm 5, the middle part and preceding grudging post 4 fixed connection of horizontal support arm 5, the other end of horizontal support arm 5 extends forward for preceding grudging post 4, and horizontal support arm 5 is provided with two, and two sets of horizontal support arm 5 parallel arrangement are provided with outrigger 7 at the tip that horizontal support arm 5 is used for installing buffer block 1, and the both ends of outrigger 7 respectively with the tip fixed connection of two horizontal support arms 5.
The utility model discloses in, buffer block 1 can choose for use condemned pipe, perhaps chooses for use other high temperature resistant materials that have shock resistance.
The utility model discloses set up between the extension of horizontal support arm 5 and fore-stock and consolidate the sloping for increase horizontal support arm 5's bending resistance and increase the overall structure intensity of support.
The utility model discloses the interval is provided with two at least gallows 6 on horizontal armed 5 (support beam 7), and gallows 6 sets up the arm end at horizontal armed 5, installs chain 2 through gallows 6, all corresponds on each gallows 6 and is provided with a chain 2.
The utility model discloses a plurality of regulation holes have been seted up along its length direction on support beam 7, set up gallows 6 through the regulation hole, gallows 6 sets up two at least (preferably two), sets up the interval that the regulation hole can be adjusted between gallows 6 (the width between gallows 6) to satisfy the hoist and mount requirement of different length buffer blocks 1. Further, three hangers 6 are provided, and the three hangers 6 are provided at equal intervals on the support beam 7. In the embodiment that the hanger 6 is provided with three, the number of the chains 2 is also three, one chain 2 is correspondingly arranged on each hanger 6, and the bottom ends of all the chains 2 (three) are flush and fixedly connected with the same buffer block 1.
A plurality of adjusting holes (for example, 2, 3, 5 and the like) are formed in the support beam 7, and the hanger 6 is arranged on the support beam 7 through the adjusting holes, so that the mounting position of the hanger 6 on the support beam 7 can be adjusted.
The buffer block 1 is used for receiving the impact of the tube blank (rolling into the furnace outlet roller way from the blank falling rack), so as to buffer the rolling of the tube blank (the impact on the furnace outlet roller way) and stop the tube blank on the furnace outlet roller way. Buffer block 1 hangs on the support, and buffer block 1 sets up in one side of the roll table of coming out of the furnace for to roll into the roll of the pipe on the roll table of coming out of the furnace cushion and make the pipe stop on the roll table of coming out of the furnace, through setting up buffer block 1, can reduce the impact of pipe to the roll table of coming out of the furnace, can also avoid the pipe to dash out of the condition appearance of roll table of coming out of the furnace simultaneously.
Specifically, the one end that chain 2 is used for being connected with buffer block 1 is provided with the shackle, and chain 2 can dismantle with buffer block 1 through the shackle and link, and buffer block 1 sets up on chain 2 through the shackle, and its connection reliability is higher, the dismantlement of buffer block 1 of still being convenient for simultaneously.
In other embodiments of the present invention, other materials that are resistant to high temperatures and have a certain flexibility may be used instead of the chain 2, such as steel wire.
In order to ensure the impact buffering effect of the buffer block 1 on the pipe blank, the following steps are defined: the length of buffer block 1 is not less than the length of pipe, through increasing the area of contact between buffer block 1 and the pipe like this, can guarantee the buffering effect of buffer block 1 to the pipe. Meanwhile, the length of the buffer block 1 is increased, the overall mass of the buffer block is increased, and the buffering effect can be further increased.
Specifically, the bracket is a frame structure made of welded section steel.
The utility model also provides an annular furnace pipe roll table system of coming out of stove, including the roll table of coming out of the stove, the roll table of coming out of the stove can be provided with one, also can set up many, when the roll table of coming out of the stove sets up many, parallel arrangement between the roll table of coming out of the stove.
For the purpose of structural description, defined herein are: one side of the tapping roller way is the roll-in side for being used for the pipe roll-in, and the opposite side of the tapping roller way is the buffering side, the utility model provides a buffer for the pipe tapping of annular furnace sets up between two adjacent tapping roller ways and is close to the buffering side setting of the tapping roller way, and buffer for the pipe tapping of annular furnace includes buffer block 1, and buffer block 1 is located the buffering side and is higher than the tapping roller way.
Specifically, the buffer block 1 is of a long-strip-shaped integrated structure, and the length direction of the buffer block 1 is parallel to the conveying direction of the tube blank from the furnace discharging roller way.
The utility model provides a buffer for discharging annular furnace pipe, this buffer for discharging annular furnace pipe adopt the mode of hanging to set up buffer block 1, dash out the furnace roller way on the pipe on the time with buffer block 1 contact, cushion by buffer block 1 to the roll of pipe, rolling pipe no longer causes the impact to the furnace roller way of discharging like this. The utility model provides a buffer block 1 adopts suspended structure, and it is not only effectual to cushion, and buffer capacity is strong, can also satisfy the buffering requirement of heavy pipe (weight is greater than or equal to 3 tons), and the reliability is high moreover, realizes non-maintaining completely.
Further, the length of the buffer block 1 is not less than that of the tube blank, the tube blank is punched on the furnace discharging roller way to be in full contact with the buffer block 1 (the whole length of the tube blank is in contact with the buffer block 1), the buffer block 1 buffers the whole length of the tube blank, and the buffer effect is excellent.
In an actual installation state, the support is installed between the furnace outlet roller ways, the buffer block 1 is hung on the outer side of the roller ways through the support, the length direction of the buffer block 1 is parallel to the conveying direction of the tube blank, and the suspension height of the buffer block 1 is manually adjusted and fixed on the chain 2 through shackles. When the tube blank rolls into the furnace outlet roller way, the whole length of the tube blank is contacted with the buffer block 1, the suspension type buffer device rapidly absorbs the impact of the tube blank, the tube blank is ensured to smoothly fall into the roller way, and the roller way is ensured not to be damaged and the production process is normal.
The utility model discloses an innovation point lies in:
1. the buffer block 1 is suspended in the air, the weight can reach several tons, the whole bracket is formed by welding profile steel, the supporting strength is high, the buffer block 1 and the bracket are connected together by the flexible chain 2 and the shackle, the buffer effect is good, and the buffer requirement of a heavy pipe blank (the weight is more than or equal to 3 tons) is completely met;
2. the device provided by the utility model is not contacted with the furnace outlet roller way, the installation base of the bracket is independent, and the furnace outlet roller way is not damaged in the buffering process of the tube blank;
3. the device provided by the utility model has simple structure and high reliability, and can realize maintenance-free;
4. the device provided by the utility model is installed between the discharging roller ways, the main component (the buffer block 1) is arranged in a suspension way, and the occupied area of the production line is not increased.
Through its structural design, the utility model provides a buffer for annular furnace pipe goes out of stove is applied to annular furnace pipe and goes out the stove in-process, can cushion the pipe full length, guarantees that the pipe falls into out of stove roll table smoothly. Specifically, the support is arranged between furnace outlet roller ways of the annular furnace, the buffer block 1 is hung on the support through the chain 2, the buffer block 1 is positioned on the outer side of the roller ways, the length direction of the buffer block is parallel to the conveying direction of a tube blank, and the hanging height of the buffer block 1 is manually adjusted and fixed with the chain 2 through a shackle. In the production process, when a tube blank rolls into a furnace outlet roller way, the whole length of the tube blank is in contact with the buffer block 1, and the buffer device (mainly the buffer block 1) for discharging the tube blank from the annular furnace rapidly absorbs the impact of the tube blank, so that the tube blank is ensured to smoothly fall into the roller way, and the roller way is ensured not to be damaged and the production process is normal. The buffer requirement of heavy pipe blanks (the weight is more than or equal to 3 tons) is met, the reliability is high, and the maintenance-free effect is completely realized.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an annular furnace pipe buffer for coming out of furnace for roll the buffering from falling the pipe that the base rack rolled into the roll table of coming out of furnace, its characterized in that includes:
the bracket is arranged on one side of the furnace discharging roller way;
hang in buffer block (1) on the support, the buffer block sets up one side of the roll table of coming out of the furnace, the buffer block is used for to roll into go out of the furnace on the roll table of going out of the furnace the pipe cushions, and makes the pipe stop in go out of the furnace on the roll table.
2. The buffer device for discharging a tube blank of a ring furnace of claim 1,
a chain (2) is arranged on the support, one end of the chain is connected with the support, and the other end of the chain is connected with the buffer block.
3. A buffer device for discharging tube blanks of a ring furnace according to claim 2,
the chain is a length-adjustable chain.
4. A buffer device for discharging tube blanks of a ring furnace according to claim 2,
the support include back grudging post (3) and with parallel preceding grudging post (4) of back grudging post, in back grudging post and the top of preceding grudging post is provided with horizontal support arm (5), the one end of horizontal support arm with back grudging post fixed connection, the middle part of horizontal support arm with preceding grudging post is connected, the other end of horizontal support arm with the chain is connected.
5. A buffer device for discharging tube blanks of a ring furnace according to claim 2,
the chain be used for with the one end that the buffer block is connected is provided with the shackle, the chain passes through the shackle with the link can be dismantled to the buffer block.
6. The buffer device for discharging a tube blank of an annular furnace of claim 4,
at least two hanging brackets (6) are arranged on the transverse supporting arm at intervals, one end of each chain, which is used for being connected with the transverse supporting arm, is connected with the hanging brackets, and each hanging bracket is correspondingly provided with one chain.
7. The buffer device for discharging a tube blank of a ring furnace of claim 1,
the length of the buffer block is not less than that of the tube blank.
8. A buffer device for a circular furnace blank discharging from a furnace according to any of the claims 1 to 7,
the support is a frame structure made of section steel through welding.
9. A furnace discharge roller way system of a circular furnace tube blank comprises a furnace discharge roller way and is characterized in that,
one side of the furnace discharging roller way is a roll-in side for rolling in a tube blank, the other side of the furnace discharging roller way is a buffer side, the buffer device for discharging the tube blank of the annular furnace according to any one of claims 1 to 8 is arranged on the buffer side of the furnace discharging roller way, and the buffer device for discharging the tube blank of the annular furnace comprises a buffer block which is positioned on the buffer side and is higher than the furnace discharging roller way.
10. The ring furnace blank run-out table system of claim 9,
the buffer block is of a long-strip-shaped integrated structure, and the length direction of the buffer block is parallel to the conveying direction of the tube blank from the furnace discharging roller way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022834186.4U CN214172961U (en) | 2020-11-30 | 2020-11-30 | Buffer device for discharging circular furnace tube blank and circular furnace tube blank discharging roller way system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022834186.4U CN214172961U (en) | 2020-11-30 | 2020-11-30 | Buffer device for discharging circular furnace tube blank and circular furnace tube blank discharging roller way system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214172961U true CN214172961U (en) | 2021-09-10 |
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ID=77603204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022834186.4U Active CN214172961U (en) | 2020-11-30 | 2020-11-30 | Buffer device for discharging circular furnace tube blank and circular furnace tube blank discharging roller way system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214172961U (en) |
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2020
- 2020-11-30 CN CN202022834186.4U patent/CN214172961U/en active Active
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