CN114042751A - Numerical control precise four-tandem mill for processing ore screen - Google Patents
Numerical control precise four-tandem mill for processing ore screen Download PDFInfo
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- CN114042751A CN114042751A CN202111352017.XA CN202111352017A CN114042751A CN 114042751 A CN114042751 A CN 114042751A CN 202111352017 A CN202111352017 A CN 202111352017A CN 114042751 A CN114042751 A CN 114042751A
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- 238000012545 processing Methods 0.000 title claims abstract description 17
- 238000005096 rolling process Methods 0.000 claims abstract description 92
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 14
- 239000011707 mineral Substances 0.000 claims abstract description 14
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 230000005571 horizontal transmission Effects 0.000 claims description 4
- 230000005570 vertical transmission Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 abstract description 14
- 239000002994 raw material Substances 0.000 abstract description 14
- 238000000034 method Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
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Classifications
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- 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
- B21B1/16—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 wire rods, bars, merchant bars, rounds wire or material of like small cross-section
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/16—Unwinding or uncoiling
- B21C47/18—Unwinding or uncoiling from reels or drums
- B21C47/20—Unwinding or uncoiling from reels or drums the unreeled material moving transversely to the tangent line of the drum, e.g. axially, radially
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
Abstract
The invention relates to the technical field of mineral screen processing, in particular to a numerical control precise four-continuous rolling mill for mineral screen processing, which comprises a track, a wire placing frame and an electrical control cabinet, wherein the wire placing frame, a first-stage rolling mill, a second-stage rolling mill, a third-stage rolling mill and a fourth-stage rolling mill are sequentially arranged at the upper end of the track from left to right; according to the invention, the raw material metal wire can stably enter the rolling mill, so that the normal wire discharge is ensured; the rotary disc can only rotate in one direction, and the rotation phenomenon can not occur.
Description
Technical Field
The invention relates to the technical field of mineral screen processing, in particular to a numerical control precise four-tandem mill for mineral screen processing.
Background
A mineral screen is a metal mesh structural element used for screening filtration. The method is applied to the operations of screening, filtering, dewatering, desliming and the like. It has high strength, rigidity and bearing capacity, and may be used in various rigid sieving and filtering equipment with easy leakage, high wear resistance and high corrosion resistance. The cross section of the mesh is trapezoidal, and the upper part of the gap is narrow and the lower part is wide. The rolling mill is common equipment in the production and processing process of the mineral screen mesh, the rolling mill deforms a metal material through strong pressure to obtain the shape of the required material, and meanwhile, internal residual stress and stress concentration can be eliminated in the rolling process, so that the mechanical property is uniform, and the microcosmic arrangement is regular; the rolling mill mainly comprises a roller, a frame, a roller spacing adjusting device, a roller temperature adjusting device, a transmission device, a lubricating system, a control system, a roller dismounting device and the like, and the precision rolling mill is additionally provided with a device for ensuring the rolling precision besides main parts and devices of a common rolling mill.
The patent No. CN201210064026.3 discloses, as the closest prior art, a four-tandem rolling bar prestressed cold rolling mill, in which four rolling mill groups I, II, III, and IV are arranged in a flat-vertical-flat-vertical manner, and form a whole, and concentrate on all-gear transmission. The structure of the flat rolling unit I, III and the structure of the vertical rolling units II and IV are respectively identical, the rotating speed of each unit is different, the units are distributed one by one according to the total extension coefficient mu epsilon of a rolled piece of 2.5-2.7, and the linear speed of the rollers of each unit is adapted to the linear speed; however, the prior art still has some disadvantages, such as: raw material metal wires are pulled out of the wire coil and enter the inside of the rolling mill, the wire coil is often subjected to a relatively strong pulling force, particularly, when the rolling mill is just started, the wire coil is subjected to a force and rotates for many turns, so that the raw material metal wires can be pulled out into a large section, and the large section of the raw material metal wires are easily wound on other structures to bring potential safety hazards; the wire coil often rotates back and forth, which can cause the raw metal wire to shake back and forth, and is not beneficial to the wire feeding operation of the rolling mill.
Disclosure of Invention
The invention provides a numerical control precise four-tandem mill for processing a mineral screen, aiming at the problems in the background technology.
The invention is realized by the following technical scheme:
the utility model provides a four continuous rolling mills of accurate numerical control for processing of ore sieve net, includes the track, puts wire frame and electrical control cabinet, install in proper order from left to right in the track upper end put wire frame, one-level rolling mill, second grade rolling mill, tertiary rolling mill and level four rolling mill, put the wire frame upper end and install the axis of rotation through the bearing frame, the outer wall of axis of rotation is fixed with a plurality of round bar, the outer end of round bar all is installed and is prevented the overspeed subassembly, the top of axis of rotation is fixed with the carousel, the outer wall of carousel is fixed with the ratchet wheel rim, the upper end of carousel is fixed with the fixed axle, the upper surface of putting the wire frame still is fixed with the ring piece, the inner wall all around of ring piece articulates there is a plurality of pawl, the equal butt in the back of pawl has the leaf spring.
As a further improvement of the above scheme, the overspeed preventing assembly comprises a ring piece, a return spring and a friction sleeve, wherein the ring piece is fixed on the outer wall of the round rod, the return spring and the friction sleeve are all sleeved on the outer wall of the round rod, and the return spring is fixed on the ring piece and between the friction sleeves.
As a further improvement of the above scheme, the first-stage rolling mill and the third-stage rolling mill are both horizontal transmission rolling mill sets, the second-stage rolling mill and the fourth-stage rolling mill are both vertical transmission rolling mill sets, and the first-stage rolling mill, the second-stage rolling mill, the third-stage rolling mill and the fourth-stage rolling mill have the same structure, but the rotating speeds of the sets are different.
As a further improvement of the scheme, the upper end of the wire releasing frame is further provided with a height adjusting assembly, the height adjusting assembly comprises guide rods, supporting plates and electric cylinders, the supporting plates are arranged on the outer walls of the pair of guide rods in a sliding mode, and the center position of the bottom end face of each supporting plate is fixed with the telescopic end of each electric cylinder.
As a further improvement of the above scheme, the top of heightening subassembly is fixed with the seal wire subassembly, the seal wire subassembly includes seal wire seat, guide pin bushing, holder and ball, the seal wire seat, the inside round hole of having seted up of seal wire seat, the inside cover of round hole is equipped with the guide pin bushing, the holder is fixed in the round hole with inside the annular space that forms between the guide pin bushing, the inside rotation of holder installs a plurality of the ball.
As a further improvement of the scheme, a threaded seat is fixed at the bottom end of the wire placing frame, a screw rod is fixed inside the threaded seat, and the screw rod is connected with a driving motor through a speed reducer.
As a further improvement of the scheme, the outer wall of the fixed shaft is fixed with a plurality of clamping strips, the outer wall of the top end of the fixed shaft is provided with a thread groove, and the outer wall of the fixed shaft is provided with a thread disc.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, when the raw material metal wire on the wire coil is rapidly pulled and fed by the four-tandem mill, the rotating disk and the rotating shaft also rapidly rotate, if the speed is not reduced, the raw material metal wire can be pulled out to form a large section, so that the winding problem is easy to occur, meanwhile, the raw material metal wires are easy to fall into the ground and are full of dust, therefore, the invention fixes a plurality of round rods on the outer wall of the rotating shaft, the outer ends of the round rods are all provided with the overspeed preventing component, the overspeed preventing component comprises a circular sheet, a return spring and a friction sleeve, when the rotating shaft is pulled to rotate at high speed, the friction sleeve continuously moves outwards along the outer wall of the round rod under the action of centrifugal force until the friction sleeve is contacted with the inner wall of the circular ring block, the friction sleeve rotates along the inner part of the circular ring block and needs to overcome great resistance, thereby the rotational speed of axis of rotation can slowly be reduced for carousel, axis of rotation are in normal rotational speed and accomplish the material loading.
2. According to the invention, the ratchet ring is fixed on the outer wall of the rotary disc, the plurality of pawls are hinged to the peripheral inner walls of the circular ring block, the back faces of the pawls are respectively abutted with the leaf springs, the teeth of the ratchet ring are unidirectional teeth, the rotary disc rotates clockwise during normal feeding, the pawls can continuously slide along the tooth backs, so that the rotation of the rotary disc is not influenced, the ratchet ring is limited to rotate anticlockwise after entering the tooth grooves, the rotary disc is further limited to rotate anticlockwise, the unidirectional rotation of the rotary disc is effectively ensured, and the rotation phenomenon cannot occur.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of a first perspective of the present invention;
FIG. 2 is a perspective view of a second embodiment of the present invention;
FIG. 3 is a perspective view of a partial assembly of the present invention;
FIG. 4 is a schematic top view angle perspective view of the filament feeding frame of the present invention;
FIG. 5 is a schematic perspective view of the wire unwinding frame after the wire coil is mounted on the wire unwinding frame;
FIG. 6 is a schematic perspective view of FIG. 5 with the turntable and the fixing shaft removed;
FIG. 7 is an enlarged view of a portion of FIG. 6A of the present invention;
fig. 8 is a schematic view of an exploded structure of a guidewire assembly of the present invention.
Wherein, 1-rail, 2-wire frame, 3-electrical control cabinet, 4-first-stage rolling mill, 5-second-stage rolling mill, 6-third-stage rolling mill, 7-fourth-stage rolling mill, 8-bearing seat, 9-rotating shaft, 10-round rod, 11-overspeed-preventing component, 111-circular ring sheet, 112-reset spring, 113-friction sleeve, 12-rotating disk, 13-ratchet ring, 14-fixed shaft, 15-circular ring block, 16-pawl, 17-leaf spring, 18-height-adjusting component, 181-guide rod, 182-supporting plate, 183-electric cylinder, 19-wire guide component, 191-seat, 192-guide sleeve, 193-retainer, 194-ball, 195-circular hole, 20-thread seat, 21-screw rod, 22-driving motor, 23-clamping strip and 24-wire coil.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
The invention is further described below with reference to the accompanying drawings.
Example 1
A numerical control precise four-continuous rolling mill for processing a mineral screen comprises a track 1, a wire releasing frame 2 and an electrical control cabinet 3, wherein the wire releasing frame 2, a first-stage rolling mill 4, a second-stage rolling mill 5, a third-stage rolling mill 6 and a fourth-stage rolling mill 7 are sequentially arranged at the upper end of the track 1 from left to right, the first-stage rolling mill 4 and the third-stage rolling mill 6 are both horizontal transmission rolling mill units, the second-stage rolling mill 5 and the fourth-stage rolling mill 7 are both vertical transmission rolling mill units, the structures of the first-stage rolling mill 4, the second-stage rolling mill 5, the third-stage rolling mill 6 and the fourth-stage rolling mill 7 are the same and are all existing equipment, and the rolling mill mainly comprises a roller, a frame, a roller spacing adjusting device, a roller temperature adjusting device, a transmission device, a lubricating system, a control system and a roller dismounting device, the rotating speeds of the first-stage rolling mill 4, the second-stage rolling mill 5, the third-stage rolling mill 6 and the fourth-stage rolling mill 7 are different and are used for meeting different rolling requirements; a rotating shaft 9 is arranged at the upper end of the wire releasing frame 2 through a bearing seat 8, a plurality of round rods 10 are fixed on the outer wall of the rotating shaft 9, overspeed preventing assemblies 11 are all arranged at the outer ends of the round rods 10, a rotating disc 12 is fixed at the top end of the rotating shaft 9, a ratchet ring 13 is fixed on the outer wall of the rotating disc 12, a fixed shaft 14 is fixed at the upper end of the rotating disc 12, a round ring block 15 is further fixed on the upper surface of the wire releasing frame 2, a plurality of pawls 16 are hinged to the peripheral inner wall of the round ring block 15, the back of each pawl 16 is abutted against a leaf spring 17, the leaf springs 17 are all fixed on the inner wall of the round ring block 15 and the pawls 16, the leaf springs 17 are all higher than the anti-overspeed assembly 11, a plurality of clamping strips 23 are fixed on the outer wall of the fixing shaft 14, thread grooves are formed in the outer wall of the top end of the fixing shaft 14, a thread spool 24 is installed on the outer wall of the fixing shaft 14, and clamping grooves matched with the clamping strips 23 are formed in an inner hole of the thread spool 24, so that the thread spool 24 can be driven to rotate by rotation of the fixing shaft 14.
As shown in fig. 1 and 3, a threaded seat 20 is fixed at the bottom end of the filament placing frame 2, a screw 21 is fixed inside the threaded seat 20, the screw 21 is connected with a driving motor 22 through a speed reducer, the screw 21 can be controlled to rotate clockwise or counterclockwise through the electrical control cabinet 3, and after the speed reducer is decelerated, the threaded seat 20 and the filament placing frame 2 can be driven to move leftwards or rightwards for a certain distance along the track 1, so that the practical use is more flexible.
Wherein, as shown in fig. 6 and 7, the overspeed preventing assembly 11 comprises a circular ring piece 111, a return spring 112 and a friction sleeve 113, the circular ring piece 111 is fixed on the outer wall of the round bar 10, the outer wall of the round bar 10 is sleeved with both the return spring 112 and the friction sleeve 113, a gap exists between the outer end of the round bar 10 and the inner wall of the circular ring block 15, the inner wall of the circular ring block 15 cannot be collided by the rotation of the round bar 10, the return spring 112 is fixed between the circular ring piece 111 and the friction sleeve 113, and the inner wall of the friction sleeve 113 is a smooth surface.
The workflow of example 1 was: firstly, installing a wire coil 24 with raw metal wires wound on the outer wall into the outer wall of a fixed shaft 14, placing the bottom end of the wire coil 24 on the upper end face of a rotary disc 12, forming a thread groove on the outer wall of the top end of the fixed shaft 14, and then screwing the wire coil 24 to the top end of the fixed shaft 14 by using a fixed bolt, namely fixing the wire coil 24; then the starting end of the raw metal wire is pulled out and sequentially penetrates into a first-stage rolling mill 4, a second-stage rolling mill 5, a third-stage rolling mill 6 and a fourth-stage rolling mill 7, then the numerical control precision fourth-stage rolling mill is started through an electric control cabinet 3, the first-stage rolling mill 4 and the third-stage rolling mill 6 are both horizontal transmission rolling mill sets, the second-stage rolling mill 5 and the fourth-stage rolling mill 7 are both vertical transmission rolling mill sets, finally the cross section of the raw metal wire can be deformed, the shape required by the ore screen mesh is obtained, meanwhile, the residual stress and stress concentration in the raw metal wire can be eliminated in the rolling process, the mechanical property is uniform, and the micro-arrangement is more regular.
In embodiment 1, when the raw material wire on the wire coil 24 is pulled and fed by the four-tandem mill, the rotary table 12 and the rotary shaft 9 will also rotate rapidly, if the speed is not reduced, the raw material wire will be pulled out into a large section, which is very easy to cause winding, and at the same time, the raw material wire will also fall into the ground easily and be stained with dust, so that the present invention fixes a plurality of round rods 10 on the outer wall of the rotary shaft 9, the outer ends of the round rods 10 are all provided with the overspeed prevention assembly 11, the overspeed prevention assembly 11 comprises a circular sheet 111, a return spring 112 and a friction sleeve 113, when the rotary shaft 9 is pulled to rotate at a high speed, the friction sleeve 113 continuously moves outwards along the outer wall of the round rod 10 under the effect of centrifugal force until the friction sleeve 113 contacts with the inner wall of the circular block 15, the friction sleeve 113 rotates along the inner part of the circular block 15 to overcome great resistance, thereby slowly reducing the rotation speed of the rotary shaft 9, the turntable 12 and the rotating shaft 9 are in normal rotating speed and complete feeding, so that the raw metal wire can stably enter a rolling mill; in addition, be clockwise rotation when carousel 12 normally feeds, because the outer wall of carousel 12 is fixed with ratchet circle 13, the inner wall all around of ring piece 15 articulates there is a plurality of pawl 16, pawl 16's the equal butt of back has leaf spring 17, the teeth of a cogwheel of ratchet circle 13 is one-way tooth, pawl 16 can constantly slide along the back of the tooth, thereby can not influence the rotation of carousel 12, pawl 16 gets into behind the tooth's socket, can restrict ratchet ring 1 and do anticlockwise rotation, further can restrict carousel 12 anticlockwise rotation, the one-way rotation of carousel 12 has effectively been guaranteed, the gyration phenomenon can not appear, further can avoid the raw materials wire to make a round trip to rock when getting into the rolling mill.
Example 2
Example 3
Embodiment 3 is based on embodiment 2, as shown in fig. 1 and 8, a guide wire assembly 19 is fixed at the top end of the height-adjusting assembly 18, the guide wire assembly 19 includes a guide wire seat 191, a guide sleeve 192, a holder 193 and balls 194, the guide wire seat 191 is provided with a circular hole 195 inside the guide wire seat 191, the guide sleeve 192 is sleeved inside the circular hole 195, a plurality of ball mounting holes are formed inside the holder 193, the holder 193 is fixed inside an annular space formed between the circular hole 195 and the guide sleeve 192, and a plurality of balls 194 are rotatably mounted inside the holder 193.
Embodiment 3 is at rolling in-process, and the raw materials wire can be passed by guide pin bushing 192 is inside, and ball 194's setting makes guide pin bushing 192 can follow the inside rotation of guide wire seat 19 to make the raw materials wire in the same direction as super more when the conduction, avoided appearing the problem of disconnected silk, the practicality is strong.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a processing of ore sieve net is with accurate four continuous rolling mills of numerical control, includes the track, puts wire frame and electrical control cabinet, its characterized in that: install in proper order from left to right in the track upper end put wire frame, one-level rolling mill, second grade rolling mill, tertiary rolling mill and level four rolling mill, put the wire frame upper end and install the axis of rotation through the bearing frame, the outer wall of axis of rotation is fixed with a plurality of round bar, the outer end of round bar is all installed and is prevented the overspeed subassembly, the top of axis of rotation is fixed with the carousel, the outer wall of carousel is fixed with the ratchet wheel circle, the upper end of carousel is fixed with the fixed axle, the upper surface of putting the wire frame still is fixed with the ring piece, the inner wall all around of ring piece articulates there is a plurality of pawl, the equal butt in the back of pawl has the leaf spring.
2. The numerical control precision four-tandem mill for processing the mineral screen mesh according to claim 1, characterized in that: prevent overspeed subassembly includes ring piece, reset spring and friction cover, the ring piece is fixed in the outer wall of round bar, reset spring with the friction cover is all overlapped and is located the outer wall of round bar, reset spring is fixed in the ring piece between the friction cover.
3. The numerical control precision four-tandem mill for processing the mineral screen mesh according to claim 1, characterized in that: the first-stage rolling mill and the third-stage rolling mill are both horizontal transmission rolling mill units, the second-stage rolling mill and the fourth-stage rolling mill are both vertical transmission rolling mill units, the structures of the first-stage rolling mill, the second-stage rolling mill, the third-stage rolling mill and the fourth-stage rolling mill are the same, and the rotating speeds of the units are different.
4. The numerical control precision four-tandem mill for processing the mineral screen mesh according to claim 1, characterized in that: the wire releasing frame is characterized in that a height adjusting assembly is further mounted at the upper end of the wire releasing frame and comprises a guide rod, a supporting plate and an electric cylinder, the supporting plate is mounted on the outer wall of the guide rod in a sliding mode, and the center of the bottom end face of the supporting plate is fixed with the telescopic end of the electric cylinder.
5. The numerical control precision four-tandem mill for processing the mineral screen mesh according to claim 1, characterized in that: the top of heightening subassembly is fixed with the seal wire subassembly, the seal wire subassembly includes seal wire seat, guide pin bushing, holder and ball, the seal wire seat, the inside round hole of having seted up of seal wire seat, the inside cover of round hole is equipped with the guide pin bushing, the holder is fixed in the round hole with inside the annular space that forms between the guide pin bushing, the inside rotation of holder installs a plurality of the ball.
6. The numerical control precision four-tandem mill for processing the mineral screen mesh according to claim 1, characterized in that: the bottom end of the wire placing frame is fixed with a threaded seat, a screw rod is fixed inside the threaded seat, and the screw rod is connected with a driving motor through a speed reducer.
7. The numerical control precision four-tandem mill for processing the mineral screen mesh according to claim 1, characterized in that: the outer wall of fixed axle is fixed with a plurality of card strip, the thread groove has been seted up to the top outer wall of fixed axle, the wire coil is installed to the outer wall of fixed axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111352017.XA CN114042751A (en) | 2021-11-16 | 2021-11-16 | Numerical control precise four-tandem mill for processing ore screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111352017.XA CN114042751A (en) | 2021-11-16 | 2021-11-16 | Numerical control precise four-tandem mill for processing ore screen |
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| CN213350253U (en) * | 2020-08-24 | 2021-06-04 | 慈溪市金威铜业有限公司 | Inverted wire drawing trolley |
| CN113600610A (en) * | 2021-08-05 | 2021-11-05 | 无锡桑德威克金属制品有限公司 | Production process of high-tensile-strength super-flat super-straight stainless steel flat wire |
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