CN117000759B - Gold-tin alloy product production equipment and application method thereof - Google Patents
Gold-tin alloy product production equipment and application method thereof Download PDFInfo
- Publication number
- CN117000759B CN117000759B CN202311284756.9A CN202311284756A CN117000759B CN 117000759 B CN117000759 B CN 117000759B CN 202311284756 A CN202311284756 A CN 202311284756A CN 117000759 B CN117000759 B CN 117000759B
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- coiled material
- unreeling
- mounting plate
- shaft
- rolling
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- 229910001128 Sn alloy Inorganic materials 0.000 title claims abstract description 49
- JVPLOXQKFGYFMN-UHFFFAOYSA-N gold tin Chemical compound [Sn].[Au] JVPLOXQKFGYFMN-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 132
- 238000005096 rolling process Methods 0.000 claims abstract description 104
- 230000007246 mechanism Effects 0.000 claims abstract description 74
- 238000012360 testing method Methods 0.000 claims abstract description 4
- 238000005498 polishing Methods 0.000 claims description 70
- 238000001514 detection method Methods 0.000 claims description 40
- 210000002268 wool Anatomy 0.000 claims description 27
- 238000003825 pressing Methods 0.000 claims description 26
- 230000006835 compression Effects 0.000 claims description 24
- 238000007906 compression Methods 0.000 claims description 24
- 238000004804 winding Methods 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 13
- 230000001276 controlling effect Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000000227 grinding Methods 0.000 description 3
- 210000004209 hair Anatomy 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
- B21B1/28—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by cold-rolling, e.g. Steckel cold mill
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/16—Adjusting or positioning rolls
- B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
- B21B31/22—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal
- B21B31/24—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal by screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/04—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring thickness, width, diameter or other transverse dimensions of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/06—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring tension or compression
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
- B21B2013/021—Twin mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B2015/0057—Coiling the rolled product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B2015/0064—Uncoiling the rolled product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2275/00—Mill drive parameters
- B21B2275/02—Speed
- B21B2275/08—Coiler speed
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Abstract
The invention discloses gold-tin alloy product production equipment and a use method thereof, wherein the gold-tin alloy product production equipment comprises a workbench, a multifunctional unreeling mechanism, a rolling roller set and a reeling mechanism, wherein the multifunctional unreeling mechanism comprises a first unreeling shaft mounting plate and a second unreeling shaft mounting plate, wherein the first unreeling shaft mounting plate and the second unreeling shaft mounting plate are provided with a first coiled material mounting shaft and a second coiled material mounting shaft; the tension adjusting mechanism comprises a stretching oil cylinder and a tension meter fixedly connected to a piston rod end of the stretching oil cylinder, and test ends of the tension meter are respectively fixed on the first unreeling shaft mounting plate and the second unreeling shaft mounting plate; the rolling roller set comprises a group of supporting plates, wherein upper press roller mounting plates are respectively movably arranged in mounting holes of the supporting plates, upper press rollers are rotatably arranged between the upper press roller mounting plates, and lower press rollers are rotatably arranged between the lower sides of the supporting plates; the rolling roller set further comprises a press roller interval adjusting mechanism and a press roller driving mechanism. The invention can effectively improve the processing precision of the gold-tin alloy product.
Description
Technical Field
The invention relates to a production device of a gold-tin alloy product and a use method thereof, which can effectively roll a gold-tin alloy sheet to obtain a gold-tin alloy product with thinner thickness.
Background
The gold-tin alloy product is a product which is frequently used by various industries, such as square soldering lugs, annular soldering lugs and the like, but no matter what shape of the product is, the finished product is of a gold-tin alloy strip-shaped structure when being initially produced and manufactured, and the product is cut and punched into different shapes according to requirements at the later stage. In the production process of the gold-tin alloy strip-shaped structure, the gold-tin alloy sheet coiled material is required to be continuously rolled through corresponding gold-tin alloy product production equipment, namely a gold-tin alloy rolling machine, so that a gold-tin alloy product with proper thickness is finally obtained.
The existing gold-tin alloy product production equipment, namely a gold-tin alloy rolling machine, has extremely difficult control on rolling precision because the thickness of the final finished product of the gold-tin alloy product is extremely thin in the actual use process, and can effectively improve the rolling precision of the product by controlling the coiled material tension in the rolling process. However, as the thickness of the gold-tin alloy coiled material is thin, the tensile force of the gold-tin alloy coiled material is directly detected, the detection wheel is required to be arranged in the transmission process of the gold-tin alloy coiled material, the detection wheel is required to be in direct contact with the gold-tin alloy coiled material, and the detection wheel is required to be connected to a corresponding tension meter or a pressure meter, so that the installation difficulty is high firstly, and secondly, the detection wheel is easy to scratch the coiled material in the transmission process; after tension detection, the rotational speed of the rolling roller set is controlled to adjust the tension of the coiled material, and after the rotational speed of the rolling roller set is adjusted, the subsequent rolling precision is affected, so that the precision of the rolled finished product is easy to be insufficient to meet the design requirement.
There is also a problem that in order to improve rolling accuracy, it is often necessary to adjust the rolling gap of the rolling mechanism, and the existing gold-tin alloy product production equipment has a large adjustment span of the rolling gap, and the adjustment distance in mm of the adjustment amount is often more adjusted, and the rolling accuracy is worse, which is troublesome.
Therefore, the tension of the coiled material can be effectively detected without directly contacting the coiled material, and the tension of the coiled material can be directly regulated according to the detection result; the invention also discloses gold-tin alloy product production equipment capable of effectively fine-adjusting the roller pressing gap with high precision so as to finally ensure the processing precision of gold-tin alloy products and a use method thereof.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a gold-tin alloy product production device and a use method thereof, which can effectively solve the technical problems in the prior art.
The technical scheme of the invention is as follows:
a production device of gold-tin alloy products comprises a workbench, a multifunctional unreeling mechanism, a rolling roller set and a reeling mechanism which are sequentially arranged on the workbench,
the multifunctional unreeling mechanism comprises:
a set of first and second unwind spool mounting plates movably mounted to the table; the outer bottom of the first unreeling shaft mounting plate is integrally formed and outwards provided with a motor mounting plate, a corresponding unreeling servo motor is fixedly arranged on the motor mounting plate, and a first coiled material mounting shaft driven by the unreeling servo motor is rotatably mounted on the first unreeling shaft mounting plate; a second coiled material installation shaft which is coaxially arranged with the first coiled material installation shaft is rotatably arranged on the second unreeling shaft installation plate, and a locking mechanism for fixing coiled materials on the first coiled material installation shaft is arranged on the second coiled material installation shaft;
the tension adjusting mechanism comprises a stretching oil cylinder fixedly connected to the front end part of the workbench and a tension meter fixedly connected to the piston rod end of the stretching oil cylinder, the tension meter body is fixedly connected to the piston rod end of the stretching oil cylinder, and the testing ends of the tension meter are respectively connected to the outer ends of the first unreeling shaft mounting plate and the second unreeling shaft mounting plate through corresponding connecting rods;
the rolling roller set includes:
the upper side of the supporting plate is provided with mounting holes with limit grooves on two sides, corresponding upper press roll mounting plates are movably mounted in the mounting holes respectively, corresponding upper press rolls are rotatably mounted between the upper press roll mounting plates, and corresponding lower press rolls are rotatably mounted between the lower sides of the supporting plate;
the two sides of the supporting plate at the lower side of the mounting hole are respectively and obliquely arranged downwards, the two sides of the upper pressing roller mounting plate are matched with the limiting grooves to be movably mounted in the mounting hole, the bottom side of the upper pressing roller mounting plate is provided with corresponding sliding grooves, the pressing roller spacing adjusting mechanism comprises a group of sliding blocks which can be transversely and movably mounted on the two sides of the sliding grooves of the upper pressing roller mounting plate, the upper end faces of the sliding blocks are arranged to be in a horizontal plane shape matched with the bottom end faces of the upper pressing roller mounting plate, and the lower end faces of the sliding blocks are respectively arranged to be in an inclined plane shape matched with the two sides of the supporting plate at the lower side of the mounting hole; the two groups of sliding blocks are connected with a corresponding double-rotation-direction screw rod in a threaded connection mode, a hexagonal nut is welded in the middle of the double-rotation-direction screw rod, and when the double-rotation-direction screw rod rotates, the sliding blocks in the same group move oppositely or reversely so as to finely adjust the rolling distance between the upper pressing roller and the lower pressing roller;
the press roll driving mechanism comprises a press roll driving motor for driving the lower press roll to rotate, and the upper press roll is connected to the lower press roll in a transmission manner through a gear meshing connection mode;
the winding mechanism comprises:
the winding device comprises a fixed platform and a winding shaft rotatably mounted on the fixed platform, wherein the winding shaft is driven by a winding driving motor arranged on the fixed platform.
The gold-tin alloy product production equipment further comprises a surface polishing mechanism, wherein the surface polishing mechanism comprises:
the driving shafts are arranged up and down, polishing wool wheels used for polishing rolled coiled materials are respectively arranged on the driving shafts, the driving shafts at the bottom are driven by corresponding polishing driving motors, and one group of driving shafts are in meshed connection through a gear set;
the wool wheel polishing end limiting mechanisms are respectively arranged on one side, in contact with rolled coiled materials, of the polishing wool wheels, each wool wheel polishing end limiting mechanism comprises a fixed disc, an inner end of each fixed disc is obliquely inwards arranged, and a rolling ring, each rolling ring is rotatably arranged at the outer edge of each fixed disc, the bottom end parts of the polishing wool wheels are compressed by the bottom end parts of the rolling rings, and the rolling rings are driven by the polishing wool wheels to rotate so as to continuously compress the inner end parts of the polishing wool wheels.
The outer ends of the polishing wool wheels are respectively fixedly provided with a corresponding gas collecting hood, the gas collecting hoods are respectively connected to an external air pump through corresponding exhaust pipes, and the exhaust pipes of the gas collecting hoods are respectively provided with corresponding filter cotton.
The gold-tin alloy product production equipment further comprises an unreeling speed detection mechanism, the unreeling speed detection mechanism comprises an unreeling guide roller rotatably installed on the upper side of a workbench at the rear side of the multifunctional unreeling mechanism, one side of the unreeling guide roller is outwards provided with a detection convex edge with the thickness equal to the thickness of a coiled material before rolling, and a speed sensor capable of being used for detecting the linear speed of the detection convex edge is fixedly installed on the workbench.
And a plurality of detection labels which can be identified by the speed measuring sensor are fixedly connected to the detection convex edge at equal intervals, the distance between two adjacent detection labels is set to be L, the interval duration of the two adjacent detection labels reaching the lower side of the speed measuring sensor is t, and the linear speed v=L/t of the detection convex edge.
The inner end of the first coiled material installation shaft is arranged in a circular truncated cone shape, the second coiled material installation shaft is arranged in a hollow tubular shape, the locking mechanism comprises a butt screw rod movably installed to the center of the second coiled material installation shaft in a threaded connection mode, the inner end of the butt screw rod is arranged in a circular truncated cone shape, and the butt screw rod is driven to move inwards so as to fixedly clamp coiled materials between the inner end of the first coiled material installation shaft and the inner end of the butt screw rod.
The workbench is provided with a group of support guide rails corresponding to the first unreeling shaft mounting plate and the second unreeling shaft mounting plate, and the bottoms of the first unreeling shaft mounting plate and the second unreeling shaft mounting plate are respectively movably mounted on the support guide rails.
And a winding guide roller capable of guiding the rolled coiled material is rotatably arranged on the fixed platform at the front side of the winding shaft.
The center of the top of the supporting plate is provided with a tightening bolt which is tightened to the top surface of the upper pressing roller mounting plate in a downward manner through a threaded connection manner, two sides of the top of the upper pressing roller mounting plate are respectively and fixedly connected with guide shafts which movably penetrate through the top of the supporting plate, and compression springs which are fixed between the top of the upper pressing roller mounting plate and the top of the supporting plate in an extrusion state are respectively and fixedly sleeved on the guide shafts between the top of the upper pressing roller mounting plate and the top of the supporting plate.
The application method of the gold-tin alloy product production equipment comprises the following specific steps:
s1, placing a coiled material between the first coiled material mounting shaft and the second coiled material mounting shaft, and fixing the coiled material onto the first coiled material mounting shaft through the locking mechanism;
s2, starting an unreeling servo motor to drive the coiled material to be output, rolling the output coiled material under the rolling pressure of a rolling roller set, and reeling the rolled coiled material by a reeling shaft;
s3, detecting the tension of the coiled material before rolling in real time through a tension meter, and retracting a piston rod of the stretching oil cylinder when the tension of the coiled material before rolling is detected to be smaller than a set value so as to increase the tension of the coiled material before rolling; when the coiled material tension before rolling is measured to be larger than a set value, a piston rod of the stretching oil cylinder stretches out to reduce the coiled material tension before rolling, so that the coiled material tension of the coiled material before rolling is controlled within a reasonable range;
s4, after a period of time, stopping, detecting the thickness of the rolled coiled material, adjusting the compression roller gaps of the upper compression roller and the lower compression roller according to the detection value, when the thickness of the rolled coiled material is smaller than a set value, adjusting the compression roller gaps of the upper compression roller and the lower compression roller, when the thickness of the rolled coiled material is larger than the set value, adjusting the compression roller gaps of the upper compression roller and the lower compression roller, wherein the adjustment process of the compression roller gaps comprises the following steps:
s41, loosening the jacking bolts, and driving the double-rotation-direction screw rods to rotate through corresponding wrenches so as to drive the same group of sliding blocks to move oppositely or reversely, so that the press roller gap between the upper press roller and the lower press roller is enlarged or reduced;
s42, screwing the jacking bolt to enable the rod end of the jacking bolt to be tightly connected to the top surface of the upper compression roller mounting plate.
The invention has the advantages that:
1) The first unreeling shaft mounting plate and the second unreeling shaft mounting plate of the multifunctional unreeling mechanism are movably mounted on the workbench, in the rolling process, the unreeling speed is controlled within a certain range by controlling the rotating speed of the unreeling servo motor, and the rolling speed is effectively controlled within a certain range by controlling the rotating speed of the press roller driving motor; in the process, the tension of the coiled material before rolling is detected in real time through a tension meter, when the tension of the coiled material before rolling is detected to be smaller than a set value, the piston rod of the stretching oil cylinder is controlled to retract so as to regulate the tension of the coiled material before rolling, and when the tension of the coiled material before rolling is detected to be larger than the set value, the piston rod of the stretching oil cylinder is controlled to extend so as to regulate the tension of the coiled material before rolling to be smaller, so that the tension of the coiled material before rolling is controlled within a reasonable range.
The unreeling speed, the rolling speed and the coiled material tension are synchronously controlled within a reasonable range respectively, so that the rolling precision of the gold-tin alloy product is greatly improved.
2) The invention can directly adjust the press roller gap of the upper press roller and the lower press roller according to the rolled coiled material thickness value, when the rolled coiled material thickness is smaller than a set value, the press roller gap of the upper press roller and the lower press roller is regulated to be larger, and when the rolled coiled material thickness is larger than the set value, the press roller gap of the upper press roller and the lower press roller is regulated to be smaller.
When the rolling gap is adjusted, the corresponding spanner is used for driving the double-rotation screw to rotate so as to drive the same group of sliding blocks to move oppositely or reversely, so that the actual installation height of the upper press roll mounting plate is enlarged or reduced with high precision, the relative position of the upper press roll mounting plate and the supporting plate is controlled by the transverse sliding of one group of sliding blocks, and the rolling gap of the upper press roll and the lower press roll is finely adjusted with high precision so as to further ensure the rolling precision of the gold-tin alloy product.
3) The invention is additionally provided with the surface polishing mechanism, and the main polishing executing piece is the polishing wool wheel, so that the contact end of the polishing wool wheel and the coiled material is easy to form extrusion and loosening when the coiled material is polished by the polishing Mao Lun, the actual polishing effect is extremely effective, and the surface polishing mechanism is rarely configured in the existing gold-tin alloy product production equipment. In order to solve the problem, the invention is further provided with a wool wheel polishing end limiting mechanism which comprises a fixed disc with an inward inclined inner end and a rolling ring rotatably arranged at the outer edge of the fixed disc, wherein the bottom end part of the polishing wool wheel is compressed by the bottom end part of the rolling ring when moving to the contact end of the polishing wool wheel with a coiled material, so that the polishing treatment of the coiled material is realized in a concentrated state of the wool wheel, excessive mechanical damage is not formed on the coiled material, and the polishing effect of the invention on the coiled material can be obviously improved.
4) The rolling ring of the invention can rotate under the drive of the polishing hair wheel, thereby continuously compressing the inner end part of the polishing hair wheel to continuously maintain the polishing effect on the coiled material, and further ensuring the practical effect of the invention.
5) After leaving the constraint of the rolling ring, the polishing wool wheel can be restored to a loose state so as to be convenient for leaving a small amount of dust caused in the polishing and grinding process, and at the moment, the small amount of dust generated in the process is removed by matching an external air suction pump and a gas collecting hood, so that the self-purification degree of the polishing wool wheel can be continuously maintained, and the polishing effect on coiled materials is maintained for a long time.
6) The invention further comprises an unreeling speed detection mechanism which comprises an unreeling guide roller rotatably arranged on the upper side of the workbench at the rear side of the multifunctional unreeling mechanism, not only can guide unreeling, but also can accurately detect the unreeling speed of the coiled material by matching a detection convex edge which is arranged on the periphery of the unreeling speed detection mechanism and has the thickness equal to the thickness of the coiled material with a speed measuring sensor, thereby further improving the practical effect of the invention.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the multifunctional unreeling mechanism.
Fig. 3 is a cross-sectional view of the multi-functional unwind mechanism.
Fig. 4 is a schematic view of the structure of a rolling roll set.
Fig. 5 is a schematic partial structure of a rolling roll set.
Fig. 6 is a schematic structural view of the surface polishing mechanism.
Fig. 7 is a schematic partial structure of the surface polishing mechanism.
Fig. 8 is a schematic structural view of the winding mechanism.
Detailed Description
For the convenience of understanding by those skilled in the art, the structure of the present invention will now be described in further detail with reference to the accompanying drawings:
embodiment one:
referring to fig. 1-8, a gold-tin alloy product production device comprises a workbench 1, a multifunctional unreeling mechanism 2, a rolling roller set 3 and a reeling mechanism 4 which are sequentially arranged on the workbench 1,
the multifunctional unreeling mechanism 2 comprises:
a set of first and second unwind spool mounting plates 201, 202 movably mounted on the table 1; the outer bottom of the first unreeling shaft mounting plate 201 is integrally formed and outwards provided with a motor mounting plate 5, a corresponding unreeling servo motor 203 is fixedly arranged on the motor mounting plate 5, and a first coiled material mounting shaft 204 driven by the unreeling servo motor 203 is rotatably arranged on the first unreeling shaft mounting plate 201; a second coil mounting shaft 205 coaxially disposed with the first coil mounting shaft 204 is rotatably mounted on the second reel mounting plate 202, and a locking mechanism 206 for fixing the coil 6 to the first coil mounting shaft 204 is provided on the second coil mounting shaft 205;
a set of tension adjusting mechanisms 207 respectively comprising a stretching cylinder 2071 fixedly connected to the front end of the workbench 1 and a tension meter 2072 fixedly connected to the piston rod end of the stretching cylinder 2071, wherein the tension meter body is fixedly connected to the piston rod end of the stretching cylinder 2071, and the test ends of the tension meter 2072 are respectively connected to the outer ends of the first unreeling shaft mounting plate 201 and the second unreeling shaft mounting plate 202 through corresponding connecting rods 7;
the rolling roller group 3 includes:
the upper side of the supporting plate 301 is provided with mounting holes 8 with limit grooves on two sides, corresponding upper press roll mounting plates 302 are movably mounted in the mounting holes 8 respectively, corresponding upper press rolls 303 are rotatably mounted between the upper press roll mounting plates 302, and corresponding lower press rolls 304 are rotatably mounted between the lower sides of the supporting plate 301;
the press roller spacing adjusting mechanism 305, two sides of the supporting plate 301 at the lower side of the mounting hole 8 are respectively and obliquely arranged downwards, two sides of the upper press roller mounting plate 302 are matched with the limit grooves to be movably mounted in the mounting hole 8, the bottom side of the upper press roller mounting plate 302 is provided with corresponding sliding grooves, the press roller spacing adjusting mechanism 305 comprises a group of sliding blocks 3051 which can be transversely movably mounted at two sides of the sliding grooves of the upper press roller mounting plate 302, the upper end face of the sliding blocks 3051 is arranged to be in a horizontal plane shape matched with the bottom end face of the upper press roller mounting plate 302, and the lower end face of the sliding blocks 3051 is respectively arranged to be in a bevel shape matched with two sides of the supporting plate 301 at the lower side of the mounting hole 8; the same set of sliding blocks 3051 are connected with a corresponding double-rotation-direction screw 3052 in a threaded connection manner, a hexagonal nut 3053 is welded at the middle part of the double-rotation-direction screw 3052, and when the double-rotation-direction screw 3052 rotates, the sliding blocks 3051 of the same set move oppositely or back to each other so as to finely adjust the rolling interval between the upper pressing roller 303 and the lower pressing roller 304;
the press roller driving mechanism 306 comprises a press roller driving motor for driving the lower press roller 304 to rotate, and the upper press roller 303 is connected to the lower press roller 304 in a transmission manner through a gear meshing connection mode;
the winding mechanism 4 includes:
the winding device comprises a fixed platform 401 and a winding shaft 402 rotatably installed on the fixed platform 401, wherein the winding shaft 402 is driven by a winding driving motor 403 arranged on the fixed platform 401.
In the rolling process, the rolling speed is controlled within a certain range by controlling the rotating speed of the unreeling servo motor 203, and the rolling speed is effectively controlled within a certain range by controlling the rotating speed of the press roller driving motor; in the process, the tension of the coiled material before rolling is detected in real time through the tension meter 2072, when the tension of the coiled material before rolling is detected to be smaller than a set value, the piston rod of the stretching cylinder 2071 is controlled to retract so as to increase the tension of the coiled material before rolling, and when the tension of the coiled material before rolling is detected to be larger than the set value, the piston rod of the stretching cylinder 2071 is controlled to extend so as to decrease the tension of the coiled material before rolling, so that the tension of the coiled material before rolling is controlled within a reasonable range. The unreeling speed, the rolling speed and the coiled material tension are synchronously controlled within a reasonable range respectively, so that the rolling precision of the gold-tin alloy product is greatly improved.
When the rolling gap is adjusted, the double-rotation-direction screw 2052 is driven to rotate only by a corresponding wrench so as to drive the same group of sliding blocks 3051 to move oppositely or reversely, so that the actual installation height of the upper press roll mounting plate is enlarged or reduced with high precision, the relative positions of the upper press roll mounting plate 302 and the supporting plate 301 are controlled by the transverse sliding of the group of sliding blocks 3051, and the rolling gap of the upper press roll 303 and the lower press roll 304 is finely adjusted with high precision, so that the rolling precision of gold-tin alloy products is further ensured to be improved.
The inner end of the first coil mounting shaft 204 is arranged in a circular truncated cone shape, the second coil mounting shaft 205 is arranged in a hollow tubular shape, the locking mechanism 206 comprises a butt screw rod movably mounted to the center of the second coil mounting shaft 205 in a threaded connection manner, the inner end of the butt screw rod is arranged in a circular truncated cone shape, and the butt screw rod is driven to move inwards so as to fixedly clamp the coil 6 between the inner end of the first coil mounting shaft 204 and the inner end of the butt screw rod.
The fixing device on the workbench 1 is provided with a group of support rails 12 corresponding to the first unreeling shaft mounting plate 201 and the second unreeling shaft mounting plate 202, and the bottoms of the first unreeling shaft mounting plate 201 and the second unreeling shaft mounting plate 202 are respectively movably mounted on the support rails 12.
A winding guide roller 13 capable of guiding the rolled coiled material 6 is rotatably arranged on a fixed platform 401 at the front side of the winding shaft 402.
The center of the top of the supporting plate 301 is provided with a tightening bolt 14 which is tightened to the top surface of the upper pressing roller mounting plate 302 in a downward manner in a threaded connection manner, two sides of the top of the upper pressing roller mounting plate 302 are respectively and fixedly connected with guide shafts 15 which are movably installed on the top of the supporting plate 301 in a penetrating manner, and the top of the upper pressing roller mounting plate 302 and the guide shafts 15 between the tops of the supporting plate 301 are respectively and fixedly sleeved with a compression spring 16 which is fixed between the top of the upper pressing roller mounting plate 302 and the top of the supporting plate 301 in a pressing state.
Embodiment two:
referring to fig. 6 to 7, this embodiment differs from the first embodiment in that: the gold-tin alloy product production equipment further comprises a surface polishing mechanism 9, wherein the surface polishing mechanism 9 comprises:
a group of driving shafts 901 arranged up and down, polishing hair wheels 902 used for polishing the rolled coiled material 6 are respectively arranged on the driving shafts 901, the driving shafts 901 positioned at the bottom are driven by corresponding polishing driving motors 9011, and a group of driving shafts 901 are in meshed connection through gear groups 9012;
the rough wheel polishing end limiting mechanisms 903 are respectively arranged on one side of the polished rough wheel 902, which is in contact with the rolled coiled material 6, the rough wheel polishing end limiting mechanisms 903 comprise fixed discs 9031 with inner ends inclined inwards, and rolling rings 9032 rotatably arranged at the outer edge of the fixed discs 9031, the bottom end parts of the polished rough wheel 902 are compressed by the bottom end parts of the rolling rings 9032, and the rolling rings 9032 are driven to rotate by the polished rough wheel 902 so as to continuously compress the inner end parts of the polished rough wheel 902.
The outer ends of the polishing wool wheels 902 are respectively fixedly provided with corresponding gas collecting hoods, the gas collecting hoods are respectively connected to an external air pump through corresponding exhaust pipes, and the exhaust pipes of the gas collecting hoods are respectively provided with corresponding filter cotton.
Since the contact end of the polishing burr 902 with the coil 6 is easily extruded and loosened when the coil 6 is polished, the actual polishing effect is very effective, which is why the existing gold-tin alloy product production equipment is rarely provided with a surface polishing mechanism. In order to solve the problem, the invention is further provided with a rough wheel polishing end limiting mechanism 903 which comprises a fixed disc 9031 with an inward inclined inner end and a rolling ring 9032 rotatably arranged at the outer edge of the fixed disc 9031, wherein when the bottom end part of the polishing rough wheel 902 moves to the contact end of the polishing rough wheel with the coiled material 6, the bottom end part of the polishing rough wheel 902 is compressed by the bottom end part of the rolling ring 9032, so that the polishing treatment of the coiled material 6 is realized under the state that the rough wheels are concentrated, excessive mechanical damage is not formed on the coiled material 6, and the polishing effect of the invention on the coiled material 6 can be obviously improved.
The rolling ring 9032 is driven by the polishing wool wheel 902 to rotate, so that compression can be continuously formed on the inner end part of the polishing wool wheel 902, and the polishing effect on the coiled material 6 can be continuously maintained; the polishing rough wheel 902 can recover to be in a loose state after leaving the constraint of the rolling ring 9032, so that a small amount of dust caused in the polishing and grinding process can leave, at the moment, the small amount of dust generated in the polishing and grinding process can be removed by matching an external air suction pump and a gas collecting hood, and the self-purification degree of the polishing rough wheel can be continuously kept, so that the polishing effect on coiled materials can be kept for a long time.
It should be noted that the implementation principle and the technical effects of the present embodiment are the same as those of the first embodiment, and for brevity, reference may be made to the corresponding content of the first embodiment.
Embodiment III:
referring to fig. 2, the present embodiment differs from the first embodiment in that: the gold-tin alloy product production equipment further comprises an unreeling speed detection mechanism 10, the unreeling speed detection mechanism comprises an unreeling guide roller 1001 rotatably installed on the upper side of a workbench 1 at the rear side of the multifunctional unreeling mechanism 2, a detection convex edge 1002 with thickness equal to the thickness of a coiled material before rolling is outwards arranged on one side of the unreeling guide roller 1001, and a speed measuring sensor 1003 which can be used for detecting the linear speed of the detection convex edge 1002 is fixedly installed on the workbench 1.
A plurality of detection labels 11 which can be identified by the speed measuring sensor 1003 are fixedly connected to the detection convex edge 1002 at equal intervals, the distance between two adjacent detection labels 11 is set to be L, the interval duration that the two adjacent detection labels 11 respectively reach the lower side of the speed measuring sensor 1003 is set to be t, and the linear speed v=L/t of the detection convex edge 1002.
The invention further comprises an unreeling speed detection mechanism 10 which comprises an unreeling guide roller 1001 rotatably arranged on the upper side of the workbench 1 at the rear side of the multifunctional unreeling mechanism 2, can guide unreeling, and can accurately detect the unreeling speed of the coiled material 6 by matching a detection convex edge 1002 which is arranged on the periphery of the unreeling and has the thickness equal to the thickness of the coiled material with a speed measuring sensor 1003, so that the practical effect of the invention is further improved.
It should be noted that the implementation principle and the technical effects of the present embodiment are the same as those of the first embodiment, and for brevity, reference may be made to the corresponding content of the first embodiment.
Embodiment four:
a method of using the apparatus for producing a gold-tin alloy product according to embodiment one, comprising the following specific steps:
s1, placing the coiled material 6 between the first coiled material mounting shaft 204 and the second coiled material mounting shaft 205, and fixing the coiled material 6 on the first coiled material mounting shaft 204 through the locking mechanism 206;
s2, starting an unreeling servo motor 203 to drive the coiled material 6 to output, rolling the outputted coiled material 6 under the rolling pressure of the rolling roller set 3, and reeling the rolled coiled material 6 by a reeling shaft 402;
s3, detecting the tension of the coiled material before rolling in real time through a tension meter 2072, and retracting a piston rod of the stretching cylinder 2071 when the tension of the coiled material before rolling is detected to be smaller than a set value so as to increase the tension of the coiled material before rolling; when the coiled material tension before rolling is measured to be larger than a set value, a piston rod of the stretching cylinder 2071 stretches out to reduce the coiled material tension before rolling, so that the coiled material tension of the coiled material before rolling is controlled within a reasonable range;
s4, after a period of time, stopping, detecting the thickness of the rolled coiled material, and adjusting the press roller gap of the upper press roller 303 and the lower press roller 304 according to the detection value, when the thickness of the rolled coiled material is smaller than a set value, adjusting the press roller gap of the upper press roller 303 and the lower press roller 304, and when the thickness of the rolled coiled material is larger than the set value, adjusting the press roller gap of the upper press roller 303 and the lower press roller 304, wherein the adjustment process of the press roller gap comprises:
s41, loosening the jacking bolts 14, and driving the double-rotation-direction screw 3052 to rotate by a corresponding spanner to drive the same group of sliding blocks 3051 to move oppositely or reversely, so as to increase or decrease the compression roller gap of the upper compression roller 303 and the lower compression roller 304;
and S42, screwing the jacking bolts 14 so that the rod ends of the jacking bolts are tightly abutted to the top surface of the upper press roll mounting plate 302.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (7)
1. The utility model provides a gold tin alloy production facility, includes workstation (1), and set up in order in multi-functional unreeling mechanism (2), rolling roller group (3) and winding mechanism (4) on workstation (1), its characterized in that:
the multifunctional unreeling mechanism (2) comprises:
a set of first (201) and second (202) unreeling shaft mounting plates movably mounted on the table (1); the outer bottom of the first unreeling shaft mounting plate (201) is integrally formed and outwards provided with a motor mounting plate (5), a corresponding unreeling servo motor (203) is fixedly arranged on the motor mounting plate (5), and a first coiled material mounting shaft (204) driven by the unreeling servo motor (203) is rotatably mounted on the first unreeling shaft mounting plate (201); a second coil mounting shaft (205) coaxially arranged with the first coil mounting shaft (204) is rotatably arranged on the second unreeling shaft mounting plate (202), and a locking mechanism (206) for fixing the coil (6) on the first coil mounting shaft (204) is arranged on the second coil mounting shaft (205);
a set of tension adjusting mechanisms (207) respectively comprising a stretching cylinder (2071) fixedly connected to the front end part of the workbench (1) and a tension meter (2072) fixedly connected to the piston rod end of the stretching cylinder (2071), wherein the tension meter body is fixedly connected to the piston rod end of the stretching cylinder (2071), and the test ends of the tension meter (2072) are respectively fixedly connected to the outer ends of the first unreeling shaft mounting plate (201) and the second unreeling shaft mounting plate (202) through corresponding connecting rods (7);
the rolling roller set (3) comprises:
the device comprises a group of support plates (301) fixedly arranged on a workbench (1), wherein mounting holes (8) with limit grooves on two sides are formed in the upper sides of the support plates (301), corresponding upper press roll mounting plates (302) are respectively and movably arranged in the mounting holes (8), corresponding upper press rolls (303) are rotatably arranged between the upper press roll mounting plates (302), and corresponding lower press rolls (304) are rotatably arranged between the lower sides of the support plates (301);
the two sides of the supporting plate (301) at the lower side of the mounting hole (8) are respectively and obliquely arranged downwards, two sides of the upper pressing roller mounting plate (302) are matched with the limiting grooves to be movably mounted in the mounting hole (8), the bottom side of the upper pressing roller mounting plate (302) is provided with corresponding sliding grooves, the pressing roller spacing adjusting mechanism (305) comprises a group of sliding blocks (3051) which can be transversely and movably mounted on two sides of the sliding grooves of the upper pressing roller mounting plate (302), the upper end faces of the sliding blocks (3051) are arranged to be in a horizontal plane shape matched with the bottom end faces of the upper pressing roller mounting plate (302), and the lower end faces of the sliding blocks (3051) are respectively arranged to be in an inclined plane shape matched with two sides of the supporting plate (301) at the lower side of the mounting hole (8); the same group of sliding blocks (3051) are connected with a corresponding double-rotation-direction screw rod (3052) in a threaded connection mode, a hexagonal nut (3053) is welded at the middle part of the double-rotation-direction screw rod (3052), and when the double-rotation-direction screw rod (3052) rotates, the sliding blocks (3051) in the same group move in opposite directions or in opposite directions so as to finely adjust the rolling interval between the upper pressing roller (303) and the lower pressing roller (304);
the press roller driving mechanism (306) comprises a press roller driving motor for driving the lower press roller (304) to rotate, and the upper press roller (303) is connected to the lower press roller (304) in a transmission manner through a gear meshing connection mode;
the winding mechanism (4) comprises:
the device comprises a fixed platform (401) and a winding shaft (402) rotatably installed on the fixed platform (401), wherein the winding shaft (402) is driven by a winding driving motor (403) arranged on the fixed platform (401);
the gold-tin alloy product production equipment further comprises a surface polishing mechanism (9), wherein the surface polishing mechanism (9) comprises:
the device comprises a group of driving shafts (901) which are arranged up and down, wherein polishing wool wheels (902) for polishing rolled coiled materials (6) are respectively arranged on the driving shafts (901), the driving shafts (901) at the bottom are driven by corresponding polishing driving motors (9011), and one group of driving shafts (901) are in meshed connection through gear groups (9012);
the wool wheel polishing end limiting mechanisms (903) are respectively arranged on one side, contacted with the rolled coiled material (6), of the polishing wool wheel (902), the wool wheel polishing end limiting mechanisms (903) comprise fixed discs (9031) with inner ends inclined inwards and rolling rings (9032) rotatably arranged at the outer edge of the fixed discs (9031), the bottom end parts of the polishing wool wheels (902) are compressed by the bottom end parts of the rolling rings (9032), and the rolling rings (9032) are driven by the polishing wool wheels (902) to rotate so as to continuously compress the inner end parts of the polishing wool wheels (902);
the gold-tin alloy product production equipment further comprises an unreeling speed detection mechanism (10) which comprises an unreeling guide roller (1001) rotatably arranged on the upper side of a workbench (1) at the rear side of the multifunctional unreeling mechanism (2), one side of the unreeling guide roller (1001) is outwards provided with a detection convex edge (1002) with the thickness equal to the thickness of a coiled material before rolling, and a speed measuring sensor (1003) which can be used for detecting the linear speed of the detection convex edge (1002) is fixedly arranged on the workbench (1);
a plurality of detection labels (11) which can be identified by the speed measuring sensor (1003) are fixedly connected to the detection convex edge (1002) at equal intervals, the distance between two adjacent detection labels (11) is set to be L, the interval duration that the two adjacent detection labels (11) respectively reach the lower side of the speed measuring sensor (1003) is set to be t, and the linear speed v=L/t of the detection convex edge (1002).
2. The production equipment of gold-tin alloy products according to claim 1, wherein: the outer ends of the polishing wool wheels (902) are respectively fixedly provided with corresponding gas collecting hoods, the gas collecting hoods are respectively connected to an external air extracting pump through corresponding exhaust pipes, and the exhaust pipes of the gas collecting hoods are respectively provided with corresponding filter cotton.
3. The production equipment of gold-tin alloy products according to claim 1, wherein: the inner end of the first coiled material installation shaft (204) is arranged in a circular truncated cone shape, the second coiled material installation shaft (205) is arranged in a hollow tubular shape, the locking mechanism (206) comprises an abutting screw rod movably installed at the center of the second coiled material installation shaft (205) in a threaded connection mode, the inner end of the abutting screw rod is arranged in a circular truncated cone shape, and the abutting screw rod is driven to move inwards so as to fixedly clamp the coiled material (6) between the inner end of the first coiled material installation shaft (204) and the inner end of the abutting screw rod.
4. The production equipment of gold-tin alloy products according to claim 1, wherein: the workbench (1) is provided with a group of support guide rails (12) corresponding to the first unreeling shaft mounting plate (201) and the second unreeling shaft mounting plate (202), and the bottoms of the first unreeling shaft mounting plate (201) and the second unreeling shaft mounting plate (202) are respectively movably mounted on the support guide rails (12).
5. The production equipment of gold-tin alloy products according to claim 1, wherein: a rolling guide roller (13) capable of guiding the rolled coiled material (6) is rotatably arranged on a fixed platform (401) at the front side of the rolling shaft (402).
6. The production equipment of gold-tin alloy products according to claim 1, wherein: the top center department of backup pad (301) installs down tightly to top compression bolt (14) of last compression roller mounting panel (302) top surface through threaded connection mode, upward rigid coupling is respectively in the top both sides of going up compression roller mounting panel (302) have movable through install in guide shaft (15) at backup pad (301) top, go up compression roller mounting panel (302) top and guide shaft (15) between the top of backup pad (301) are gone up respectively fixed the cup joint and are one and are fixed compression spring (16) between the top of going up compression roller mounting panel (302) and the top of backup pad (301) in the extrusion state.
7. A method of using the apparatus for producing gold-tin alloy articles of claim 6, wherein: the method comprises the following specific steps:
s1, placing a coiled material (6) between the first coiled material mounting shaft (204) and a second coiled material mounting shaft (205), and fixing the coiled material (6) on the first coiled material mounting shaft (204) through the locking mechanism (206);
s2, starting an unreeling servo motor (203) to drive the coiled material (6) to output, rolling the outputted coiled material (6) under the rolling of a rolling roller set (3), and reeling the rolled coiled material (6) by a reeling shaft (402);
s3, detecting the tension of the coiled material before rolling in real time through a tension meter (2072), and when the tension of the coiled material before rolling is detected to be smaller than a set value, retracting a piston rod of the stretching oil cylinder (2071) so as to increase the tension of the coiled material before rolling; when the coiled material tension before rolling is measured to be larger than a set value, a piston rod of the stretching oil cylinder (2071) stretches out to reduce the coiled material tension before rolling, so that the coiled material tension of the coiled material before rolling is controlled within a reasonable range;
s4, after a period of time, stopping, detecting the thickness of the rolled coiled material, adjusting the press roller gaps of the upper press roller (303) and the lower press roller (304) according to the detection value, when the thickness of the rolled coiled material is smaller than a set value, adjusting the press roller gaps of the upper press roller (303) and the lower press roller (304), and when the thickness of the rolled coiled material is larger than the set value, adjusting the press roller gaps of the upper press roller (303) and the lower press roller (304), wherein the adjustment process of the press roller gaps comprises:
s41, loosening the jacking bolts (14), and driving the double-rotation-direction screw rods (3052) to rotate through corresponding wrenches so as to drive the same group of sliding blocks (3051) to move in opposite directions or in opposite directions, so that the press roll gap between the upper press roll (303) and the lower press roll (304) is adjusted to be larger or smaller;
s42, screwing the jacking bolt (14) so that the rod end of the jacking bolt is tightly connected to the top surface of the upper compression roller mounting plate (302).
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| CN202311284756.9A CN117000759B (en) | 2023-10-07 | 2023-10-07 | Gold-tin alloy product production equipment and application method thereof |
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