CN110548643B - Coating roller vehicle, upper coating structure and two-roller coating machine - Google Patents
Coating roller vehicle, upper coating structure and two-roller coating machine Download PDFInfo
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- CN110548643B CN110548643B CN201910906560.6A CN201910906560A CN110548643B CN 110548643 B CN110548643 B CN 110548643B CN 201910906560 A CN201910906560 A CN 201910906560A CN 110548643 B CN110548643 B CN 110548643B
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- 239000011248 coating agent Substances 0.000 title claims abstract description 163
- 238000000576 coating method Methods 0.000 title claims abstract description 163
- 238000007761 roller coating Methods 0.000 title abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000010977 unit operation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 6
- 229910000976 Electrical steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/086—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line a pool of coating material being formed between a roller, e.g. a dosing roller and an element cooperating therewith
- B05C1/0865—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line a pool of coating material being formed between a roller, e.g. a dosing roller and an element cooperating therewith the cooperating element being a roller, e.g. a coating roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0873—Controlling means responsive to conditions of the liquid or other fluent material, of the ambient medium, of the roller or of the work
- B05C1/0878—Controlling means responsive to conditions of the liquid or other fluent material, of the ambient medium, of the roller or of the work responsive to the pressure applied between two rollers, e.g. between the coating roller and a backing roller or between the coating roller and a dosing roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0873—Controlling means responsive to conditions of the liquid or other fluent material, of the ambient medium, of the roller or of the work
- B05C1/0895—Controlling means responsive to conditions of the liquid or other fluent material, of the ambient medium, of the roller or of the work responsive to the thickness of the weight of material applied to the work
Abstract
The invention relates to a coating roller car, an upper coating structure comprising the coating roller car and a two-roller coating machine comprising the upper coating structure, wherein a first positioning member is arranged at the top of a frame of the coating roller car and is suitable for being matched with a second positioning member at the top of a frame of the coating machine in a positioning groove and positioning block matching manner; the frame is provided with two groups of upper travelling mechanisms for travelling on the frame. According to the invention, the first positioning component is arranged on the frame, and the first positioning component is matched with the second positioning component on the frame of the coating machine in a way of matching the positioning block with the positioning groove, so that the coating roller is well positioned, the levelness of the coating roller is ensured, the verticality between the axis of the coating roller and the central line of the machine set is ensured, and the coating precision is ensured; meanwhile, horizontal force applied to the upper coating roller in operation can be transmitted to the second positioning member by the first positioning member and further transmitted to the coating machine frame, so that the coating precision is further improved.
Description
Technical Field
The invention belongs to the technical field of metallurgical equipment, and particularly relates to a coating roller car, an upper coating structure comprising the coating roller car and a two-roller coating machine comprising the upper coating structure.
Background
At present, when silicon steel is produced, how to uniformly coat silicon steel coating liquid on the upper surface and the lower surface of strip steel and then dry the coating liquid to form a uniform and stable coating on the surface of the strip steel is one of key factors for obtaining good product quality. At present, for the coating equipment of silicon steel, a two-roller coating machine has a certain effect, the two rollers are non-driven, and the film thickness of a coating can be adjusted on line by adjusting the working pressure of an upper coating roller and a lower coating roller. In general, the thickness of the coating film is very thin and can reach several micrometers, so that the accuracy requirements on the levelness of the upper coating roller, the lower coating roller, the parallelism of the upper coating roller and the lower coating roller, the perpendicularity of the axes of the upper coating roller and the lower coating roller relative to the central line of the machine set and the like are very high, and if the accuracy adjustment is poor, the thickness and the quality of the coating film can be obviously influenced. In addition, for a two-roller coater, when the strip steel drives the upper coating roller and the lower coating roller to rotate, the coating roller can have a horizontal force, the horizontal force enables the coating roller to have a moving trend, and after long-term operation, the supporting part of the coating roller is easy to deform, and the accuracy of the coating roller and the quality of the coating are influenced. The existing coating machine is basically positioned by manpower, so that the installation and maintenance efficiency is low, the accuracy of the upper coating roller and the lower coating roller is difficult to reliably ensure, and the influence of horizontal force on the coating quality is difficult to effectively eliminate.
Disclosure of Invention
The embodiment of the invention relates to a coating roller car, an upper coating structure comprising the coating roller car and a two-roller coating machine comprising the upper coating structure, which can at least solve part of defects in the prior art.
The embodiment of the invention relates to a coating roller vehicle, which comprises a vehicle frame, wherein a coating roller is arranged at the bottom of the vehicle frame, a first positioning member is arranged at the top of the vehicle frame, the first positioning member is a positioning groove or a positioning block which is suitable for being matched with a second positioning member at the top of a coating machine frame, and the positioning surface of the first positioning member is parallel to the axis of the coating roller; the frame is provided with two groups of upper travelling mechanisms, and the two groups of upper travelling mechanisms are respectively arranged on two sides of the axis of the upper coating roller.
As one of the embodiments, the first positioning member is a positioning groove, the groove length direction of which is parallel to the axis of the upper coating roller, and the positioning groove is a V-shaped groove or an isosceles trapezoid groove.
As one of the embodiments, the first positioning members are two, and are respectively arranged near the transmission side and the operation side of the unit.
As one of the embodiments, the upper travelling mechanism comprises a plurality of upper rollers which are sequentially arranged on the corresponding sides of the frame along the axial direction of the upper coating roller, and the axial line of the upper rollers is perpendicular to the axial line of the upper coating roller.
The embodiment of the invention also relates to an upper coating structure, which comprises an upper frame and the upper coating roller carriage, wherein a second positioning member suitable for being matched with the first positioning member is arranged at the top of the upper frame, and the second positioning member is positioned right above the first positioning member;
The upper frame is provided with two groups of upper rails for two groups of upper travelling mechanisms to travel respectively, the two upper rails are arranged on two sides of the frame along the running direction of strip steel, and the guiding direction of the upper rails is parallel to the horizontal direction and perpendicular to the central line of the unit.
As one embodiment, when the first positioning member contacts with the second positioning member, a space is provided between the positioning block and the bottom of the positioning groove.
The embodiment of the invention also relates to a two-roller coating machine, which comprises the upper coating structure;
The lower coating structure comprises a lower frame, a lower roller frame arranged on the lower frame, a lower roller jacking unit arranged on the lower roller frame and a lower coating roller connected with the lower roller jacking unit, and the lower frame is connected with the upper frame.
As one of the embodiments, two groups of lower rails are arranged on the lower frame, the two lower rails are respectively arranged on two sides of the lower roller frame along the running direction of the strip steel, the guiding direction of the lower rails is parallel to the horizontal direction and perpendicular to the central line of the unit, and two groups of lower travelling mechanisms capable of respectively travelling on the two lower rails are arranged on the lower roller frame.
The embodiment of the invention has at least the following beneficial effects:
According to the upper coating roller vehicle, the upper coating structure and the two-roller coating machine, the first positioning component is arranged on the frame, and the first positioning component is matched with the second positioning component on the frame of the coating machine in a way of matching the positioning block with the positioning groove, so that the upper coating roller is well positioned, the levelness of the upper coating roller is ensured, the verticality between the axis of the upper coating roller and the central line of the machine set is ensured, and the coating quality is ensured; meanwhile, horizontal force applied to the upper coating roller in the working process can be transmitted to the second positioning member by the first positioning member and further transmitted to the coating machine frame, so that the accuracy of the upper coating roller is ensured.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an upper coating structure according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a two-roll coater according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a schematic diagram of a two-roll coater in a state where an upper coating roll is not lifted by a lower coating roll according to an embodiment of the present invention;
Fig. 5 is a schematic diagram of a lower coating structure provided by an embodiment of the present invention, in which a lower cam adjusting block is used to cooperate with a lower cam driving unit.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, an embodiment of the present invention provides a coating roller carriage 100, which includes a carriage 102, a coating roller 101 is installed at the bottom of the carriage 102, a first positioning member 104 is provided at the top of the carriage 102, the first positioning member 104 is a positioning slot or a positioning block adapted to be engaged with a second positioning member 301 at the top of an upper frame 3001, and a positioning surface of the first positioning member 104 is parallel to an axis of the coating roller 101; the frame 102 is provided with two groups of upper travelling mechanisms, and the two groups of upper travelling mechanisms are respectively arranged on two sides of the axis of the upper coating roller 101.
The frame 102 is provided with an upper roller seat, and the upper coating roller 101 is mounted on the upper roller seat.
The travelling mechanism may generally adopt rollers, specifically, the travelling mechanism includes a plurality of upper rollers 103 sequentially disposed on corresponding sides of the frame 102 along the axial direction of the upper coating roller, and the axis of the upper rollers 103 is perpendicular to the axis of the upper coating roller 101.
When the coating roller car 100 is used, the first positioning member 104 is engaged with the second positioning member 301 on the upper frame 3001, so that the coating roller 101 is ensured to be in a horizontal state, that is, the axis of the coating roller 101 is parallel to the horizontal direction. At this time, the axis of the upper coating roller 101 is perpendicular to the center line of the machine set, and the axis of each upper roller 103 is parallel to the center line of the machine set; the two sets of upper traveling mechanisms are arranged on both sides of a reference plane, which is a vertical symmetry plane passing through the axis of the coating roller 101, and are generally symmetrically arranged with respect to the reference plane.
The upper traveling mechanism is used to travel on the upper rail 302 on the upper frame 3001, so that the upper coating roller car 100 can be conveniently mounted on the upper frame 3001 or can be conveniently used for operations such as offline maintenance from the upper frame 3001.
As described above, the first positioning member 104 and the second positioning member 301 are configured to be a positioning block and a positioning groove, and when the first positioning member 104 is a positioning block, the second positioning member 301 is configured to be a positioning groove, and when the first positioning member 104 is a positioning groove, the second positioning member 301 is configured to be a positioning block.
In the case where the positioning surface of the first positioning member 104 is parallel to the axis of the upper coating roller 101, when the first positioning member 104 is a positioning groove, it is understood that the groove wall of the positioning groove is parallel to the axis of the upper coating roller 101, or the groove length direction of the positioning groove is parallel to the axis of the upper coating roller 101; when the first positioning member 104 is a positioning block, the positioning surface thereof is correspondingly disposed, which will not be described herein.
The first positioning members 104 are preferably two, and are respectively arranged near the transmission side and the operation side of the unit; the number of the second positioning members 301 on the upper frame 3001 may be two, and they may be arranged on the transmission side and the operation side of the unit, respectively, or only one second positioning member 301 may be provided, and the second positioning member 301 may extend from the transmission side to the operation side of the unit on the upper frame 3001. Obviously, the first positioning member 104 may be provided only in one, and the first positioning member 104 may be provided along the entire length of the carriage 102 in the axial direction of the applicator roll.
Based on the above structure that the first positioning member 104 and the second positioning member 301 adopt positioning grooves and positioning blocks in cooperation, the positioning grooves are preferably V-shaped grooves or isosceles trapezoid grooves, the positioning blocks are isosceles triangle positioning blocks or isosceles trapezoid positioning blocks (i.e. the vertical section of the positioning blocks is isosceles triangle or isosceles trapezoid), and the positioning effect is better. It will be readily appreciated that the two inclined surfaces of the positioning groove are the positioning surfaces thereof, and are parallel to the axis of the applicator roll 101.
Of course, the above-mentioned positioning groove adopts a circular arc groove or other structure, and is also applicable to the present embodiment.
In this case, as shown in fig. 1, the first positioning member 104 is a positioning groove, and the groove length direction thereof is parallel to the axis of the upper coating roller 101.
According to the coating roller car 100 provided by the embodiment, the first positioning member 104 is arranged on the frame 102, and the coating roller 101 is well positioned by matching the first positioning member 104 with the second positioning member 301 on the upper frame 3001 in a mode of matching the positioning block with the positioning groove, so that the levelness of the coating roller 101 and the verticality between the axis of the coating roller 101 and the central line of the machine set are ensured, and the coating quality is ensured; meanwhile, the horizontal force applied to the upper coating roller 101 during operation can be transmitted from the first positioning member 104 to the second positioning member 301 and further transmitted to the upper frame 3001, thereby ensuring the accuracy of the upper coating roller 101.
Example two
Referring to fig. 1 and 2, an embodiment of the present invention provides an upper coating structure, which includes an upper frame 3001, and further includes a coating roller car 100 provided in the first embodiment, and the specific structure of the coating roller car 100 is not described herein. Based on the configuration that the coating roller car 100 is provided with the first positioning member 104, correspondingly, a second positioning member 301 adapted to be engaged with the first positioning member 104 is provided on the top of the upper frame 3001, the second positioning member 301 is located directly above the first positioning member 104, and when the coating roller 101/frame 102 is lifted, the first positioning member 104 on the frame 102 can be engaged with the second positioning member 301 on the upper frame 3001.
As already mentioned in the foregoing embodiment, the first positioning member 104 and the second positioning member 301 are configured as a matching structure of a positioning block and a positioning slot, when the first positioning member 104 is a positioning block, the second positioning member 301 is correspondingly configured as a positioning slot, and when the first positioning member 104 is a positioning slot, the second positioning member 301 is correspondingly configured as a positioning block.
Based on the structure that the upper coating roller car 100 is provided with the upper travelling mechanism, correspondingly, the upper frame 3001 is provided with two groups of upper rails 302 for two groups of upper travelling mechanisms to travel respectively, the two upper rails 302 are respectively arranged on two sides of the frame 102 along the running direction of strip steel, and the guiding direction of the upper rails 302 is parallel to the horizontal direction and perpendicular to the central line of the machine set. The upper track 302 is provided according to the specific construction of the upper running gear, which is conventional and will not be described in detail herein. Obviously, the upper rail 302 is a horizontal rail, and is provided over the entire length of the upper frame 3001 in the upper coating roller axial direction; the upper coating roller car 100 is also kept in a horizontal state while being supported on the upper rail 302.
The upper frame 3001 is a portal frame on both the machine operation side and the machine transmission side, and the portal sections of the portal frames on both sides are parallel to the machine center line, i.e. perpendicular to the axis of the upper coating roller 101, perpendicular to the guiding direction of the upper rail 302, and perpendicular to the length direction of the positioning groove. The two side door-shaped frames are connected through a middle frame, so that the two door-shaped frames are connected into a whole, and the middle frame can be a plurality of connecting rods (the length direction of the connecting rods is parallel to the axial direction of the upper coating roller), and the like.
According to the upper coating structure provided by the embodiment, the first positioning member 104 is arranged on the frame 102 of the upper coating roller car 100, and the second positioning member 301 is arranged on the upper frame 3001, so that the first positioning member 104 and the second positioning member 301 can be matched with each other in a mode of matching the positioning block and the positioning groove, the upper coating roller 101 is well positioned, the levelness of the upper coating roller 101 is ensured, the verticality between the axis of the upper coating roller 101 and the central line of the machine set is ensured, and the coating quality is ensured; meanwhile, the horizontal force applied to the upper coating roller 101 during operation can be transmitted from the first positioning member 104 to the second positioning member 301 and further transmitted to the upper frame 3001, ensuring the accuracy of the upper coating roller 101.
When the upper coating roller 101 is mounted, the axis of the upper coating roller 101 is parallel to the positioning surface of the first positioning member 104.
Further preferably, when the positioning block is engaged with the positioning groove, only the positioning surfaces of the positioning block and the positioning groove are contacted, and other non-positioning surfaces are not contacted, namely, a space is reserved between the positioning block and the bottom of the positioning groove. As shown in fig. 1, when the positioning block is fit into the positioning groove, the positioning block will not contact with the groove bottom of the positioning groove (i.e. the end of the positioning groove far away from the notch of the positioning groove), the upper end surface of the positioning groove will not contact with the upper frame 3001, so as to ensure the automatic positioning effect of the upper coating roller 101, and meanwhile, the horizontal force applied by the upper coating roller 101 can be better transferred to the upper frame 3001.
Example III
Referring to fig. 2 to 4, an embodiment of the present invention provides a two-roll coater, including the upper coating structure provided in the second embodiment;
It further includes a lower coating structure including a lower frame 3002, a lower roller frame 202 installed on the lower frame 3002, a lower roller lifting unit 203 installed on the lower roller frame 202, and a lower coating roller 201 connected with the lower roller lifting unit 203, wherein the lower frame 3002 is connected with the upper frame 3001.
The upper frame 3001 and the lower frame 3002 are connected to form the coater frame 300, where the connection between the upper frame 3001 and the lower frame 3002 may be an integrally formed structure, for example, the upper frame 3001 is a door-shaped frame on the operation side and the transmission side of the unit, and the upright posts of the door-shaped frames on the two sides respectively extend downward to form the lower frame 3002. Of course, the upper frame 3001 and the lower frame 3002 may be spliced by a detachable connection structure.
Similarly, the lower coating roller 201 is rotatably mounted on a lower roller seat, which is connected to the output end of the lower roller lifting unit 203. Preferably, the lower roller seat is slidably disposed on the lower roller frame 202, specifically, the lower roller frame 202 is provided with a guiding mechanism for guiding the lifting motion of the lower coating roller 201, the guiding mechanism may adopt a guiding structure such as a linear guide rail or a guiding rod, for example, the lower roller frame 202 is provided with a lower roller guiding rail 204, the guiding direction of the lower roller guiding rail 204 is vertical, the lower roller seat is correspondingly provided with a lower roller guiding sliding block, and the guiding purpose can be achieved by the lower roller guiding sliding block being slidably disposed on the lower roller guiding rail 204.
The lower roller lifting unit 203 may adopt a conventional linear driving mechanism, such as a cylinder, a hydraulic cylinder, etc., in this embodiment, a worm gear lifting mechanism is adopted, the lifting driving effect is stable and reliable, and the driving element may adopt a gear motor or a hydraulic motor. The lower roller lifting unit 203 is also preferably provided with a set of driving devices on the operation side and the transmission side of the machine set, so as to ensure the stability of the lifting motion of the lower coating roller 201 and the levelness of the lower coating roller 201.
Likewise, it is preferable to provide a lower traveling mechanism 205 on the lower roll stand 202, so that the lower roll stand 202 and the lower coating roll 201 can be easily attached to the lower frame 3002, or can be easily taken out of the lower frame 3002 for maintenance or the like. Specifically, as shown in fig. 2 and 4, the lower frame 3002 is provided with two sets of lower rails 303, the two lower rails 303 are respectively arranged on two sides of the lower roll frame 202 along the running direction of the strip steel, the guiding direction of the lower rails 303 is parallel to the horizontal direction and perpendicular to the central line of the machine set, and the lower roll frame 202 is provided with two sets of lower travelling mechanisms 205 capable of travelling on the two lower rails 303 respectively. The lower running gear 205 and the lower rail 303 are referred to as the structures of the upper running gear and the upper rail 302, and are omitted here.
Because the lower coating roller 201 is also subjected to horizontal force during operation, the lower coating structure further comprises a lower roller positioning and locking mechanism for positioning and locking the lower roller frame 202 and ensuring the verticality between the axis of the lower coating roller 201 and the central line of the unit, wherein the lower coating roller 201 can be positioned under the second positioning member 301 through the lower roller positioning and locking mechanism, so that the lower coating roller 201 is opposite to the upper coating roller 101 during operation, and in other embodiments, the axis of the lower coating roller 201 and the axis of the upper coating roller 101 can be offset in the horizontal direction, so that a wrap angle is formed between the upper coating roller 101 and the lower coating roller 201; in addition, the lower roller frame 202 can be locked on the lower frame 3002 by the lower roller positioning and locking mechanism, so that horizontal force applied by the lower coating roller 201 during operation can be transferred to the lower roller frame 202 and then transferred to the lower frame 3002.
In one embodiment, as shown in fig. 2-4, the lower roll positioning and locking mechanism includes a positioning table 305 and a lower roll stand propping unit 304, wherein the positioning table 305 and the lower roll stand propping unit 304 are both installed on a lower frame 3002 and are arranged on two sides of the lower roll stand 202 along the running direction of the strip steel, the driving direction of the lower roll stand propping unit 304 is parallel to the central line of the unit, and the positioning surface of the positioning table 305 is parallel to the vertical direction and perpendicular to the central line of the unit. Correspondingly, a positioning locking surface can be arranged on the lower roller frame 202, is parallel to the vertical direction and perpendicular to the central line of the machine set, and the axis of the lower coating roller 201 is parallel to the positioning locking surface on the lower roller frame 202, so that the positioning locking surface is abutted against the positioning surface of the positioning table 305, and the positioning locking effect on the lower roller frame 202 is better. The lower roller frame 202 is pushed by the lower roller jacking unit, so that the lower roller frame 202 is abutted against the positioning table 305, and when the lower roller frame 202 is abutted against the positioning table 305, the purposes of locking the lower roller frame 202 and ensuring the perpendicularity between the lower coating roller 201 and the central line of the unit are achieved; in operation, the lower roller gripping unit 304 continues to apply force.
When the lower coating roller 201 is installed, the axis of the lower coating roller 201 is parallel to the positioning locking surface on the lower roller frame 202.
The lower roller frame pressing unit 304 may employ a conventional linear driving device, such as an air cylinder, a hydraulic cylinder, etc., and in another embodiment, the lower roller frame pressing unit 304 includes a compression spring, which is compressed when the lower roller frame 202 is pushed into the lower frame 3002, and simultaneously, the lower roller frame 202 may be positioned and pressed against the positioning table 305 under the spring force of the compression spring.
Likewise, two positioning tables 305 are preferably disposed near the operation side and the transmission side of the unit, and the positioning surfaces of the two positioning tables 305 are located in the same vertical plane.
Taking a vertical symmetry plane of the second positioning member 301 (positioning block or positioning groove) perpendicular to the central line of the unit as a first reference plane, and taking a vertical symmetry plane of the upper frame 3001 perpendicular to the central line of the unit as a second reference plane, wherein the first reference plane is parallel to the second reference plane; obviously, when the first positioning member 104 is engaged with the second positioning member 301, the vertical symmetry plane of the positioning block/positioning groove perpendicular to the unit center line coincides with the first reference plane. The vertical symmetry plane of the lower coating roller 201 perpendicular to the central line of the machine set is a third reference plane, and when the lower roller frame 202 is positioned by the positioning table 305, the third reference plane is parallel to the first reference plane.
In another embodiment, as shown in fig. 5, the lower roller positioning and locking mechanism can horizontally push the lower roller frame 202 along the length direction of the central line of the unit and lock the lower roller frame 202, so that the horizontal position of the lower roller frame 202 can be adjusted, and thus coating precision is ensured, for example, the lower coating roller 201 is adjusted to be equal to the upper coating roller 101 according to process condition setting; for example, during a production run, adaptations may be made when the lower roller housing 202 is out of position, etc. The lower roll positioning and locking mechanism comprises at least one lower wedge adjusting block 206 arranged on the lower roll frame 202 and at least one set of lower wedge driving unit 400 arranged on the lower frame 3002, wherein the output end of the lower wedge driving unit 400 is provided with a locking wedge surface which is suitable for being abutted against one of the lower wedge adjusting blocks 206.
Further preferably, lower wedge adjusting blocks 206 are respectively arranged on two sides of the lower roller frame 202, so that the locking effect of the lower roller frame 202 is ensured, and the reciprocating translation of the lower roller frame 202 can be realized, so that the adjustment is convenient. Specifically, as shown in fig. 5, the lower roll positioning and locking mechanism includes two sets of lower wedge adjusting blocks 206 and two sets of lower wedge driving units 400, wherein the two sets of lower wedge adjusting blocks 206 are all installed on the lower roll frame 202 and are respectively arranged on two sides of the lower coating roll 201 along the running direction of the strip steel, the two sets of lower wedge driving units 400 are all installed on the lower frame 3002 and are respectively arranged on two sides of the lower roll frame 202 along the running direction of the strip steel, and the lower wedge driving units 400 on each side are matched with the lower wedge adjusting blocks 206 on the corresponding side, so that the lower roll frame 202 can be horizontally pushed and the lower roll frame 202 can be locked.
Preferably, for the purpose of locking the lower roller frame 202, in the wedge-shaped engagement structure between the lower wedge adjusting block 206 and the lower wedge driving unit 400, the force between the wedge surfaces includes a horizontal component and a vertical component that is vertically downward; it is preferable that the wedge surface of the lower wedge adjustment block 206 be inclined downwardly from its end adjacent to the lower roller housing 202 to its end remote from the lower roller housing 202. The wedge surface on the output end of the lower wedge driving unit 400 also inclines downwards from the end close to the lower roller frame 202 to the end far away from the lower roller frame 202, so that the wedge surface is suitable for being attached to and abutted against the wedge surface of the lower wedge adjusting block 206, and the wedge surface is matched with the wedge surface to realize the flat pushing and locking of the lower roller frame 202.
Further optimizing the above structure, the lower cam driving unit 400 includes at least one set of lower cam driving components, where the lower cam driving components include a lower cam pushing block 401 and a lower cam pushing member 402 connected to the lower cam pushing block 401, and a pushing block guiding channel is correspondingly provided on the lower frame 3002, and the lower cam pushing block 401 is slidably disposed in the pushing block guiding channel. On the basis of the structure that each lower cam adjusting block group comprises two lower cam adjusting blocks 204 which are respectively arranged near the transmission side and the operation side of the unit, the lower cam driving unit 400 correspondingly comprises two lower cam driving components. It will be appreciated that the wedge surface of lower cam follower 401 is configured as the wedge surface at the output of lower cam drive unit 400 described above.
The lower cam pushing member 402 may employ a conventional linear drive mechanism, such as an air cylinder, hydraulic cylinder, or the like.
The above-mentioned push block guiding channel is used for limiting the lower slide wedge push block 401 to slide only along the horizontal direction, and can be correspondingly arranged according to the appearance structure of the lower slide wedge push block 401, so as to ensure that the horizontal movement of the lower slide wedge push block 401 is stably guided.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (6)
1. The utility model provides an upper portion coating structure, includes upper portion frame, upper portion frame is door-shaped frame at unit operation side and unit transmission side, its characterized in that: the coating roller car comprises a frame, a coating roller is arranged at the bottom of the frame, a first positioning member is arranged at the top of the frame, the first positioning member is a positioning groove or a positioning block, a second positioning member which is suitable for being matched with the first positioning member is arranged at the top of the upper frame, and the second positioning member is positioned right above the first positioning member;
The positioning surface of the first positioning member is parallel to the axis of the upper coating roller; the frame is provided with two groups of upper travelling mechanisms, the two groups of upper travelling mechanisms are respectively arranged at two sides of the axis of the upper coating roller, the upper frame is provided with two groups of upper rails for the two groups of upper travelling mechanisms to respectively travel, the two groups of upper rails are respectively arranged at two sides of the frame along the running direction of strip steel, and the guiding direction of the upper rails is parallel to the horizontal direction and is perpendicular to the central line of the machine set;
When the first positioning member is in contact engagement with the second positioning member, a space is reserved between the positioning block and the bottom of the positioning groove.
2. The overcoating structure of claim 1, wherein: the first positioning component is a positioning groove, the groove length direction of the first positioning component is parallel to the axis of the upper coating roller, and the positioning groove is a V-shaped groove or an isosceles trapezoid groove.
3. The overcoating structure of claim 1, wherein: the first positioning members are arranged at two positions near the transmission side and the operation side of the unit respectively.
4. The overcoating structure of claim 1, wherein: the upper travelling mechanism comprises a plurality of upper rollers which are sequentially arranged on the corresponding sides of the frame along the axial direction of the upper coating roller, and the axial line of the upper rollers is perpendicular to the axial line of the upper coating roller.
5. A two-roll coater, characterized in that: comprising the topcoat structure of claim 1;
The lower coating structure comprises a lower frame, a lower roller frame arranged on the lower frame, a lower roller jacking unit arranged on the lower roller frame and a lower coating roller connected with the lower roller jacking unit, and the lower frame is connected with the upper frame.
6. The two-roll coater of claim 5 wherein: the lower frame is provided with two groups of lower rails, the two lower rails are respectively arranged on two sides of the lower roller frame along the running direction of strip steel, the guiding direction of the lower rails is parallel to the horizontal direction and perpendicular to the central line of the unit, and the lower roller frame is provided with two groups of lower travelling mechanisms which can respectively travel on the two lower rails.
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| CN201910906560.6A CN110548643B (en) | 2019-09-24 | 2019-09-24 | Coating roller vehicle, upper coating structure and two-roller coating machine |
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