CN211847710U - Transition roller cleaning device for float glass slag box - Google Patents
Transition roller cleaning device for float glass slag box Download PDFInfo
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- CN211847710U CN211847710U CN202020053006.6U CN202020053006U CN211847710U CN 211847710 U CN211847710 U CN 211847710U CN 202020053006 U CN202020053006 U CN 202020053006U CN 211847710 U CN211847710 U CN 211847710U
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Abstract
The utility model provides a transition roller cleaning device for in float glass sediment case, includes the graphite strip, and graphite strip detachably sets up on the graphite strip fixing base, and the bottom of graphite strip fixing base is equipped with resilient means. The utility model discloses can guarantee to form friction effectively between graphite strip and the transition roller, need not adjust the height of graphite strip frequently, save the labour, improve cleaning efficiency.
Description
Technical Field
The utility model belongs to float glass production facility field, in particular to a transition roller cleaning device used in a float glass slag box.
Background
The forming process for float glass production is carried out in a tin bath into which protective gas (N2 and H2) is introduced. The molten glass continuously flows into the tank furnace and floats on the surface of molten tin with high relative density, and under the action of gravity and surface tension, the molten glass is spread and flattened on the surface of the molten tin to form a transition roller table with flat upper and lower surfaces, and after the molten glass is hardened and cooled, the molten glass is guided to the transition roller table. The rollers of the roller table rotate to pull the glass strip out of the tin bath and enter an annealing kiln, and the float glass product is obtained after annealing and cutting. The slag box is arranged at the joint of the tin bath and the annealing kiln, the transition roller is a roller arranged in the slag box, the transition roller is a roller with excellent material, and the transition roller is mainly used for operating the glass plate.
Because the transition roller is located molten tin bath and annealing kiln junction, there is SO2 atmosphere in the transition roller region, damage such as dirty can appear on the transition roller surface, adopts the graphite strip to wipe the transition roller at present, ensures transition roller surface cleanness, just can avoid or reduce the damage like this when glass board lower surface moves in the transition roller, reduces the damage defect of glass board (especially ultra-thin glass) lower surface, improves glass board quality.
The conventional graphite strips are generally fixed by bolts, and after the graphite strips are subjected to friction loss, sizing blocks are required to be additionally arranged to improve the height of the graphite strips, so that the transition rollers can be effectively cleaned by friction of the graphite strips. The disadvantages of the existing scheme are that: the graphite strips are loss products, and if the graphite strips are effectively rubbed with the transition roller, the height of the graphite strips needs to be adjusted frequently, so that the operation is troublesome; in addition, even if the height of the graphite strips is adjusted frequently, a time gap exists in each adjustment, the extrusion force between the graphite strips and the transition roller cannot be balanced, and once the abrasion of the graphite strips is reduced, the gaps are easily formed between the graphite strips and the transition roller, so that the purpose of cleaning the transition roller cannot be achieved.
Disclosure of Invention
In view of the technical problem that the background art exists, the utility model provides a transition roller cleaning device for in float glass slag box, the utility model discloses can guarantee to form friction effectively between graphite strip and the transition roller, need not frequently adjust the height of graphite strip, save the labour, improve cleaning efficiency.
In order to solve the technical problem, the utility model discloses following technical scheme has been taken and has been realized:
the utility model provides a transition roller cleaning device for in float glass sediment case, includes the graphite strip, and graphite strip detachably sets up on the graphite strip fixing base, and the bottom of graphite strip fixing base is equipped with resilient means.
In a preferred scheme, the elastic device comprises a spring, and the spring is used for supporting the graphite strip fixing seat.
In the preferred scheme, the elastic device further comprises an upper protective cylinder sleeved on the upper part of the spring, and the upper protective cylinder is connected with the bottom of the graphite strip fixing seat; the lower part of the spring is sleeved with a lower protective cylinder, and a spring supporting seat is movably arranged in the lower protective cylinder; the spring is located between spring support seat and the graphite strip fixing base, and the spring support seat reciprocates by the elevating system drive.
In a preferred scheme, the lifting mechanism comprises a base arranged at the bottom of the lower protective cylinder, a worm wheel is rotatably arranged in the base, a lead screw is arranged at the axis of the worm wheel, and the lead screw penetrates through the spring supporting seat and is in threaded fit with the spring supporting seat; the worm wheel is meshed with the worm, and the worm is driven to rotate by the motor.
In the preferred scheme, the inner wall of the lower protective cylinder is provided with a slide rail, the slide rail is arranged in parallel with the axis of the lower protective cylinder, the edge of the spring supporting seat is provided with a slide groove, and the slide groove is matched with the slide rail; the spring supporting seat center is equipped with the internal thread hole, and the internal thread hole cooperatees with the lead screw.
In a preferred scheme, the motor is a stepping motor, the stepping motor is electrically connected with a controller, the controller is electrically connected with a proximity switch, a probe of the proximity switch is matched with a position strip plate, a plurality of bulges are arranged on the position strip plate and are linearly arranged, and the proximity switch is used for detecting a bulge position signal; the position lath is vertically arranged at the bottom of the graphite strip fixing seat.
In the preferred scheme, the number of the elastic devices is two, and the proximity switch is fixed on the lower protective cylinder of one elastic device through a proximity switch connecting plate; a limit switch connecting plate is fixed on the outer wall of the other lower protective barrel, an upper limit switch and a lower limit switch are arranged on the limit switch connecting plate, a trigger plate is arranged between the upper limit switch and the lower limit switch, and the trigger plate is connected with the bottom of the graphite strip fixing seat; the upper limit switch and the lower limit switch are used for detecting the upper limit position and the lower limit position of the trigger plate.
In the preferred scheme, the upper surface of the graphite strip fixing seat is provided with a slot, the graphite strip is inserted into the slot, the upper surface of the graphite strip is an arc concave surface, and the arc concave surface is attached to the lower surface of the transition roller; the end part of the graphite strip is fixed by a fixing piece.
In a preferred scheme, the fixing piece comprises a baffle, one end of the baffle is connected with the side face of the graphite strip fixing seat through a rotating shaft, and the rotating shaft is positioned at the edge of the slot inlet; a stop lever is arranged obliquely above the rotating shaft; the baffle blocks the slot inlet under the action of no external force, the baffle is rotated to the position of the stop lever, and the baffle does not block the slot inlet.
This patent can reach following beneficial effect:
the existing graphite strips are generally fixed through bolts, after the friction loss of the graphite strips, the height of the graphite strips is increased by additionally arranging the sizing blocks, so that the transition rollers can be effectively cleaned through friction of the graphite strips, the burden of operators can be increased, and the friction effect between the graphite strips and the transition rollers is not good. And this technical scheme changes the bolt fastening into resilient means, and the pretightning force can exist in the friction between graphite strip and the transition roller like this, after the graphite strip wearing and tearing, can also guarantee to contact effectively between graphite strip and the transition roller. The elastic device comprises a spring, and the spring is used for supporting the graphite strip fixing seat. When the abrasion of the graphite strips is reduced, the spring extends, the elastic force of the spring is reduced, in order to ensure that the elastic force of the spring cannot be reduced, the liftable spring supporting seat is adopted, the spring supporting seat rises to further compress the spring, and therefore the elastic force of the spring cannot be attenuated. The utility model discloses can guarantee to form friction effectively between graphite strip and the transition roller, need not adjust the height of graphite strip frequently, save the labour, improve cleaning efficiency.
Drawings
The invention will be further explained with reference to the following figures and examples:
FIG. 1 is a front view of the present invention;
FIG. 2 is a first three-dimensional structure diagram of the present invention;
FIG. 3 is a second three-dimensional structural diagram of the present invention;
FIG. 4 is a connection structure diagram of the worm wheel, the worm, the lead screw and the spring support seat of the present invention;
FIG. 5 is a three-dimensional structure diagram of the lower casing of the present invention;
fig. 6 is a first three-dimensional structure diagram of the graphite strip fixing seat of the present invention, at this time, the graphite strip is in a fixed state;
FIG. 7 is an enlarged view taken at A in FIG. 6;
fig. 8 is a second three-dimensional structure diagram of the graphite strip fixing seat of the present invention, at this time, the graphite strip is in a state of releasing the fixing;
FIG. 9 is an enlarged view of FIG. 8 at B;
FIG. 10 is a diagram illustrating the effect of the present invention when the elastic device is only a spring;
FIG. 11 is a view showing the state of the spring in use after the graphite strip is worn out, based on FIG. 10;
fig. 12 is a three-dimensional structure diagram of the screw of the present invention.
In the figure: the device comprises a graphite strip 1, a graphite strip fixing seat 2, a slot 21, a spring 3, an upper protective cylinder 41, a lower protective cylinder 42, a sliding rail 42.1, a spring supporting seat 5, a sliding groove 51, a lifting mechanism 6, a base 61, a worm wheel 62, a worm 63, a lead screw 64, a stepping motor 7, a proximity switch 8, a position batten 9, a protrusion 91, a proximity switch connecting plate 10, a limit switch connecting plate 11, an upper limit switch 12, a lower limit switch 13, a trigger plate 14, a fixing piece 15, a baffle 15.1, a rotating shaft 15.2, a stop lever 15.3, a transition roller 16, a slag box lower box body 17 and glass 18.
Detailed Description
The preferable scheme is as shown in figures 1-3 and 10-11, and the transition roller cleaning device for the float glass slag box comprises a graphite strip 1, wherein the graphite strip 1 is detachably arranged on a graphite strip fixing seat 2, and an elastic device is arranged at the bottom of the graphite strip fixing seat 2. Because the existing graphite strips are generally fixed by bolts, after the graphite strips are abraded, the sizing blocks are required to be additionally arranged to improve the height of the graphite strips, and the transition rollers can be effectively cleaned by friction of the graphite strips. The design starting point of the technical scheme is that the bolt is fixed to be changed into the elastic device, so that pretightening force can exist in friction between the graphite strip 1 and the transition roller, and when the graphite strip 1 is worn, effective contact between the graphite strip 1 and the transition roller can be guaranteed.
As shown in fig. 10 to 11, the elastic device includes a spring 3, and the spring 3 is used for supporting the graphite strip fixing seat 2. When the elastic device only adopts a spring, the graphite strip 1 can be in close contact with the transition roller. However, when the abrasion loss of the graphite strip 1 is too large, the elastic force of the spring is extended, the elastic force of the spring is reduced, and the contact extrusion force between the graphite strip 1 and the transition roller is reduced, so that the cleaning effect of the graphite strip 1 is influenced. Therefore, the elastic device is further optimized by the technical scheme.
Preferably, as shown in fig. 1 to 10, the elastic device further includes an upper protection cylinder 41 sleeved on the upper portion of the spring 3, and the upper protection cylinder 41 is connected with the bottom of the graphite strip fixing seat 2; a lower protective cylinder 42 is sleeved at the lower part of the spring 3, and a spring supporting seat 5 is movably arranged in the lower protective cylinder 42; spring 3 is located between spring support seat 5 and graphite strip fixing base 2, and spring support seat 5 reciprocates by the drive of elevating system 6. After 1 wearing and tearing of graphite strip, elasticity can diminish after spring 3 extends, and spring support seat 5 can the rebound to further compression spring 3, thereby spring 3's elasticity has been increased, make the frictional force between graphite strip 1 and the transition roller can not the decay seriously.
Further, the lifting mechanism 6 comprises a base 61 arranged at the bottom of the lower guard cylinder 42, a worm wheel 62 is rotatably arranged in the base 61, a lead screw 64 is arranged at the axis of the worm wheel 62, and the lead screw 64 penetrates through the spring support seat 5 and is in threaded fit with the spring support seat 5; the worm wheel 62 is engaged with a worm 63, and the worm 63 is rotated by a motor. The worm 63 rotates to drive the worm wheel 62 to rotate, the worm wheel 62 and the lead screw 64 rotate integrally, and the lead screw 64 is in threaded fit with the spring support base 5, so that the spring support base 5 can move up and down. As shown in fig. 12, a flat key is provided at the bottom of the lead screw 64, and the lead screw 64 is detachably provided on the worm wheel 62.
Furthermore, the inner wall of the lower protection cylinder 42 is provided with a slide rail 42.1, the slide rail 42.1 is arranged in parallel with the axis of the lower protection cylinder 42, the edge of the spring support seat 5 is provided with a slide groove 51, and the slide groove 51 is matched with the slide rail 42.1; the center of the spring support seat 5 is provided with an internal threaded hole which is matched with the screw rod 64. The sliding groove 51 is matched with the sliding rail 42.1 to prevent the spring supporting seat 5 from rotating.
Furthermore, the motor is a stepping motor 7, the stepping motor 7 is electrically connected with a controller, the controller is electrically connected with a proximity switch 8, a probe of the proximity switch 8 is matched with a position strip plate 9, a plurality of bulges 91 are arranged on the position strip plate 9, the bulges 91 are linearly arranged, and the proximity switch 8 is used for detecting position signals of the bulges 91; the position lath 9 is vertically arranged at the bottom of the graphite strip fixing seat 2.
The proximity switch is a position switch which does not need to be in direct mechanical contact operation with a moving part, and the switch can be operated when the sensing surface of the object proximity switch reaches the action distance, so that a direct current electric appliance is driven or a control instruction is provided for a computer plc) device. The approach switch is a switch type sensor, namely a non-contact switch), has the characteristics of a travel switch and a microswitch, has sensing performance, reliable action, stable performance, quick frequency response, long service life, strong anti-interference capability and the like, and has the characteristics of water resistance, corrosion resistance and the like. The product has inductance type, capacitance type, Hall type, AC type and DC type. The proximity switch is also called contactless proximity switch, and is an ideal electronic switching value sensor. When the metal detection body approaches to the induction area of the switch, the switch can accurately reflect the position and the stroke of the motion mechanism without contact, pressure and spark, and an electric command, even if the metal detection body is used for general stroke control, the positioning precision, the operation frequency, the service life, the convenience of installation and adjustment and the applicability to severe environment of the metal detection body are incomparable with those of a general mechanical stroke switch. The method is widely applied to machine tools, metallurgy, chemical engineering, light spinning and printing industries. The automatic control system can be used as the links of limiting, counting, positioning control, automatic protection and the like. The model of the proximity switch 8 can adopt CHE12-4NA-A710 LJ12A3-4-Z/BX, and the controller adopts a PLc controller. A stepper motor is an open-loop control element that converts electrical pulse signals into angular or linear displacements. Under the condition of non-overload, the rotating speed and the stop position of the motor only depend on the frequency and the pulse number of the pulse signal and are not influenced by the load change, and when the stepping driver receives one pulse signal, the stepping motor can select a fixed rotating speed or angle. In this technical scheme, sense a arch 91 when proximity switch 8, send a pulse signal, the rotatory fixed rotational speed of step motor 7 is controlled to the controller for spring support seat 5 rises fixed height.
Furthermore, the number of the elastic devices is two, and the proximity switch 8 is fixed on the lower protective cylinder 42 of one elastic device through the proximity switch connecting plate 10; a limit switch connecting plate 11 is fixed on the outer wall of the other lower protective barrel 42, an upper limit switch 12 and a lower limit switch 13 are arranged on the limit switch connecting plate 11, a trigger plate 14 is arranged between the upper limit switch 12 and the lower limit switch 13, and the trigger plate 14 is connected with the bottom of the graphite strip fixing seat 2; the upper limit switch 12 and the lower limit switch 13 are used to detect the upper limit position and the lower limit position of the trigger plate 14.
Go up limit switch 12 and limit switch 13 down and avoid step motor 7 rotation transfinite mainly for spring support seat 5 reciprocates transfinites, goes up limit switch 12 and limit switch 13 down and is connected with the PLC input, through PLC soft contact and the working power supply and the alarm device series connection who cut off step motor 7. The soft contact comprises a normally open contact and a normally closed contact, namely the normally closed contact is connected with a power supply of the stepping motor 7 in series, the PLC normally open contact is connected with the alarm device in series, and the alarm device can be a signal indicator lamp, an audible and visual alarm and the like.
Furthermore, the upper surface of the graphite strip fixing seat 2 is provided with a slot 21, the graphite strip 1 is inserted into the slot 21, the upper surface of the graphite strip 1 is an arc-shaped concave surface, and the arc-shaped concave surface is used for being attached to the lower surface of the transition roller 16; the end of the graphite strip 1 is fixed by a fixing piece 15.
Further, as shown in fig. 6 to 9, the fixing element 15 includes a baffle 15.1, one end of the baffle 15.1 is connected to the side of the graphite rod fixing seat 2 through a rotating shaft 15.2, and the rotating shaft 15.2 is located at the edge of the inlet of the slot 21; a stop lever 15.3 is arranged obliquely above the rotating shaft 15.2; the baffle 15.1 blocks the inlet of the slot 21 under the action of no external force, the baffle 15.1 is rotated to the position of the stop lever 15.3, and the baffle 15.1 does not block the inlet of the slot 21. Because the graphite strip 1 is a quick-wear part and needs to be replaced frequently, in order to improve the installation efficiency of the graphite strip 1, the fixing part 15 in the technical scheme is designed, and the baffle 15.1 in the fixing part 15 can complete the fixation or the fixation release of the graphite strip 1 through rotation.
In a preferred scheme, the cleaning method for the transition roller cleaning device in the float glass slag box is characterized by comprising the following steps:
s1: installing the graphite strip fixing seat 2 and the elastic device under the transition roller 16; the interval of the bulges 91 on the position strip plate 9 is set to be 1-2cm, and the upper limit switch 12 is electrically connected with the alarm and the stepping motor 7;
s2: installing the graphite strip 1 on the graphite strip fixing seat 2, and enabling the graphite strip 1 to be in contact with the lower surface of the transition roller 16;
s3: the height of the spring supporting seat 5 is adjusted through the stepping motor 7, so that the pretightening force between the graphite strip 1 and the transition roller 16 is adjusted;
s4: mounting a proximity switch connecting plate 10 and a proximity switch 8 to enable a probe of the proximity switch 8 to be aligned with a protrusion 91 on a position slat 9;
s5: after the graphite strips 1 are subjected to friction loss, the whole graphite strip fixing seat 2 moves upwards, when the proximity switch 8 detects the position of one protrusion 91, a pulse signal is generated, the stepping motor 7 is controlled to rotate for N circles through the controller, and after the stepping motor 7 rotates for N circles, the ascending distance of the corresponding spring supporting seat 5 is the distance between two adjacent protrusions 91; the number of rotations of the stepping motor 7 is determined according to the transmission ratio of the worm gear.
S6: when the graphite strip 1 is worn to a certain degree, the rising distance of the graphite strip fixing seat 2 reaches the maximum value, the trigger plate 14 triggers the upper limit switch 12 to act, the alarm device is triggered to alarm after the upper limit switch 12 acts, and meanwhile, the power supply of the stepping motor 7 is cut off;
s7: the worker replaces the graphite strip 1.
Claims (7)
1. A transition roller cleaning device for a float glass slag box comprises a graphite strip (1), and is characterized in that: the graphite strip (1) is detachably arranged on the graphite strip fixing seat (2), and the bottom of the graphite strip fixing seat (2) is provided with an elastic device; the elastic device comprises a spring (3), and the spring (3) is used for supporting the graphite strip fixing seat (2); the elastic device also comprises an upper protective cylinder (41) sleeved on the upper part of the spring (3), and the upper protective cylinder (41) is connected with the bottom of the graphite strip fixing seat (2); a lower protective cylinder (42) is sleeved at the lower part of the spring (3), and a spring supporting seat (5) is movably arranged in the lower protective cylinder (42); the spring (3) is positioned between the spring supporting seat (5) and the graphite strip fixing seat (2), and the spring supporting seat (5) is driven by the lifting mechanism (6) to move up and down.
2. The transition roll cleaning apparatus for a float glass cullet box of claim 1, wherein: the lifting mechanism (6) comprises a base (61) arranged at the bottom of the lower protective cylinder (42), a worm wheel (62) is rotatably arranged in the base (61), a lead screw (64) is arranged at the axis of the worm wheel (62), and the lead screw (64) penetrates through the spring support seat (5) and is in threaded fit with the spring support seat (5); the worm wheel (62) is meshed with the worm (63), and the worm (63) is driven to rotate by the motor.
3. The transition roll cleaning apparatus for a float glass cullet box of claim 2, wherein: a sliding rail (42.1) is arranged on the inner wall of the lower protective barrel (42), the sliding rail (42.1) and the axis of the lower protective barrel (42) are arranged in parallel, a sliding groove (51) is arranged at the edge of the spring supporting seat (5), and the sliding groove (51) is matched with the sliding rail (42.1); the center of the spring supporting seat (5) is provided with an internal threaded hole which is matched with the screw rod (64).
4. The transition roll cleaning apparatus for a float glass cullet box according to claim 2 or 3, wherein: the motor is a stepping motor (7), the stepping motor (7) is electrically connected with a controller, the controller is electrically connected with a proximity switch (8), a probe of the proximity switch (8) is matched with a position strip plate (9), a plurality of bulges (91) are arranged on the position strip plate (9), the bulges (91) are linearly arranged, and the proximity switch (8) is used for detecting position signals of the bulges (91); the position lath (9) is vertically arranged at the bottom of the graphite strip fixing seat (2).
5. The transition roll cleaning apparatus for a float glass cullet box of claim 4, wherein: the number of the elastic devices is two, and the proximity switch (8) is fixed on a lower protective cylinder (42) of one elastic device through a proximity switch connecting plate (10); a limit switch connecting plate (11) is fixed on the outer wall of the other lower protective barrel (42), an upper limit switch (12) and a lower limit switch (13) are arranged on the limit switch connecting plate (11), a trigger plate (14) is arranged between the upper limit switch (12) and the lower limit switch (13), and the trigger plate (14) is connected with the bottom of the graphite strip fixing seat (2); the upper limit switch (12) and the lower limit switch (13) are used for detecting the upper limit position and the lower limit position of the trigger plate (14).
6. The transition roll cleaning apparatus for a float glass cullet box of claim 1, wherein: the upper surface of the graphite strip fixing seat (2) is provided with slots (21), the graphite strips (1) are inserted into the slots (21), the upper surface of the graphite strips (1) is an arc-shaped concave surface, and the arc-shaped concave surface is attached to the lower surface of the transition roller (16); the end part of the graphite strip (1) is fixed by a fixing piece (15).
7. The transition roll cleaning apparatus for a float glass cullet box of claim 6, wherein: the fixing piece (15) comprises a baffle (15.1), one end of the baffle (15.1) is connected with the side face of the graphite strip fixing seat (2) through a rotating shaft (15.2), and the rotating shaft (15.2) is positioned at the edge of an inlet of the slot (21); a stop lever (15.3) is arranged obliquely above the rotating shaft (15.2); the baffle (15.1) blocks the inlet of the slot (21) under the action of no external force, the baffle (15.1) is rotated to the position of the stop lever (15.3), and the baffle (15.1) does not block the inlet of the slot (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020053006.6U CN211847710U (en) | 2020-01-10 | 2020-01-10 | Transition roller cleaning device for float glass slag box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020053006.6U CN211847710U (en) | 2020-01-10 | 2020-01-10 | Transition roller cleaning device for float glass slag box |
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| CN211847710U true CN211847710U (en) | 2020-11-03 |
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| CN202020053006.6U Active CN211847710U (en) | 2020-01-10 | 2020-01-10 | Transition roller cleaning device for float glass slag box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111003932A (en) * | 2020-01-10 | 2020-04-14 | 宜昌南玻光电玻璃有限公司 | Transition roller cleaning device and method for float glass slag box |
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2020
- 2020-01-10 CN CN202020053006.6U patent/CN211847710U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111003932A (en) * | 2020-01-10 | 2020-04-14 | 宜昌南玻光电玻璃有限公司 | Transition roller cleaning device and method for float glass slag box |
| CN111003932B (en) * | 2020-01-10 | 2024-04-09 | 宜昌南玻光电玻璃有限公司 | Transition roller cleaning device and method for float glass slag box |
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