CN111689296B - Novel constant tension box-mounted precursor wire unwinding equipment and box-mounted precursor wire unwinding frame - Google Patents
Novel constant tension box-mounted precursor wire unwinding equipment and box-mounted precursor wire unwinding frame Download PDFInfo
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- CN111689296B CN111689296B CN202010425691.5A CN202010425691A CN111689296B CN 111689296 B CN111689296 B CN 111689296B CN 202010425691 A CN202010425691 A CN 202010425691A CN 111689296 B CN111689296 B CN 111689296B
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- 239000002243 precursor Substances 0.000 title claims abstract description 44
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 6
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/38—Skips, cages, racks, or containers, adapted solely for the transport or storage of bobbins, cops, or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/18—Methods or apparatus in which packages rotate
- B65H49/20—Package-supporting devices
- B65H49/32—Stands or frameworks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/18—Methods or apparatus in which packages rotate
- B65H49/20—Package-supporting devices
- B65H49/32—Stands or frameworks
- B65H49/324—Constructional details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
- B65H59/12—Stationary elements arranged to deflect material from straight path
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/174—Textile, fibre
Landscapes
- Unwinding Of Filamentary Materials (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The application relates to novel constant-tension box-packaged raw wire unwinding equipment, which comprises a building frame, a multi-discharge wire unit and a plurality of rows of second tension frames; the wire unwinding unit comprises a box body positioned below the building frame and a first tension frame arranged on the box body, and the precursor wire is wound into the first tension frame after coming out of the box body; the second tension frame is arranged at the upper part of the building frame, and the top of the building frame is provided with a plurality of filament collecting rollers and a plurality of filament supporting rollers; the first tension frame comprises a frame body and a plurality of guide rollers arranged on the frame body; the lower extreme of support body is equipped with first splint and second splint, is equipped with the clamping bolt who is connected with second splint screw thread on the second splint, and clamping bolt's end connection has the backing plate, and the backing plate is located the draw-in groove that first splint and second splint formed, and the draw-in groove card is at the edge of box. The application also relates to a novel box-packaged precursor filament rack, which has the advantages of low energy consumption and small tension change, and can effectively prevent the overturning and twisting of filament bundles.
Description
Technical Field
The invention relates to carbon fiber precursor and ultra-high molecular weight polyethylene fiber filament releasing, in particular to novel constant-tension box-packaged precursor filament releasing equipment and a box-packaged precursor filament releasing frame
Background
At present, the domestic precursor yarn unwinding frame is basically a winding spindle unwinding frame. The weight of the precursor wire wound by the coiled spindle is basically not more than 300kg, so that the spindle is replaced for a plurality of times in the working process, and the labor cost is increased. If the weight of the existing coiled spindle exceeds 300kg, the technology of coiling, transporting, storing and the like has great problems. At present, the wire unwinding frame of the coiled spindle is basically controlled by a motor to unwind wires, so that the power consumption is high, the cost is high, the tension of the wire bundles unwound by the coiled wire unwinding frame is not easy to control, the fluctuation is large, the conditions of turning, twisting and the like are easy to occur, and the subsequent process is greatly influenced.
Disclosure of Invention
Aiming at the technical problems existing in the prior art, the invention aims at: the novel constant-tension box-mounted precursor filament discharging device and the novel box-mounted precursor filament discharging frame are low in energy consumption, small in tension change and capable of effectively preventing overturning and twisting of tows.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a novel constant tension box-packed precursor wire unwinding device comprises a building frame, a multi-discharge wire unit and a plurality of rows of second tension frames;
The wire unwinding unit comprises a box body positioned below the building frame and a first tension frame arranged on the box body, and the precursor wire is wound into the first tension frame after coming out of the box body;
The second tension frame is arranged at the upper part of the building frame, and the top of the building frame is provided with a plurality of filament collecting rollers and a plurality of filament supporting rollers;
The filaments led out from the filament discharge unit are led to the second tension frame through or without passing through the turning roll mechanism, and the filaments led out from the second tension frame pass through the filament supporting roll; all the filaments jointly bypass the terminal filament collecting roller;
The first tension frame comprises a frame body and a plurality of guide rollers arranged on the frame body; the lower extreme of support body is equipped with first splint and second splint, is equipped with the clamping bolt who is connected with second splint screw thread on the second splint, and clamping bolt's end connection has the backing plate, and the backing plate is located the draw-in groove that first splint and second splint formed, and the draw-in groove presss from both sides at the edge of box.
Further is: the backing plate is provided with a groove, the end part of the clamping bolt is provided with a clamping ring, the clamping ring is fixed at the end part of the clamping bolt, and the clamping ring is positioned in the groove of the backing plate.
Further is: the frame body comprises two side support rods and a connecting plate arranged on the side support rods; the tip of deflector roll is all connected on linking the board, and the middle part of linking the board passes through the upper end threaded connection of bolt and side support pole, through the screw in middle part, rotates the angle of two steel rolls (i.e. deflector roll). The first clamping plate and the second clamping plate are fixed at the lower ends of the side supporting rods.
Further is: the second tension bracket comprises two side plates fixedly connected together through a connecting rod, a plurality of straight rods and a plurality of arc-shaped rods which are arranged between the two side plates, and a grooved pulley connected to the side plates is arranged at the rear end of the second tension bracket; the side plate is provided with a plurality of bar-shaped gaps, the straight rod and the arc-shaped rod are fixed on the side plate through handle bolts, and the handle bolts penetrate through the bar-shaped gaps to be in threaded connection with the corresponding straight rod or the arc-shaped rod.
Further is: the second tension bracket also comprises a bearing plate, two fixed blocks, a U-shaped bolt and H-shaped steel; the U-shaped bolt is connected with the bearing plate, the connecting rod above the second tension bracket is positioned in the U-shaped area of the U-shaped bolt, the two fixing blocks are fixed on the bearing plate, the lower part of the H-shaped steel is positioned in a fixing groove formed by the two fixing blocks and the bearing plate together, and the upper part of the H-shaped steel is fixed on the building frame.
Further is: among the multiple rows of boxes, the boxes on both sides are arranged along the straight line direction, and the boxes in the middle are arranged along the oblique line direction.
Further is: the filaments from the two side boxes are guided to the second tension frame through the turning roll mechanism, and the filaments from the middle box are guided to the second tension frame through or without passing through the avoiding rolls.
Further is: the turning roll mechanism comprises a plurality of turning rolls and a plurality of silk supporting rolls which are arranged on the building frame.
A novel box-packaged raw silk rack comprises a rack body and a plurality of guide rollers arranged on the rack body; the lower extreme of support body is equipped with first splint and second splint, is equipped with the clamping bolt who is connected with second splint screw thread on the second splint, and clamping bolt's end connection has the backing plate, and the backing plate is located the draw-in groove that first splint and second splint formed, and the draw-in groove presss from both sides at the edge of box.
Further is: the base plate is provided with a groove, the end part of the clamping bolt is provided with a clamping ring, the clamping ring is fixed at the end part of the clamping bolt, and the clamping ring is positioned in the groove of the base plate;
The frame body comprises two side support rods and a connecting plate arranged on the side support rods; the tip of deflector roll is all connected on linking the board, and the middle part of linking the board passes through the upper end threaded connection of bolt and side support pole, through the screw in middle part, rotates the angle of two steel rolls (deflector rolls). The first clamping plate and the second clamping plate are fixed at the lower ends of the side supporting rods.
In general, the invention has the following advantages:
The whole process of filament discharge is mechanical filament discharge, no energy consumption, stable filament tension and no turning twisting. The defects of difficult control of the tension of the filament bundle, large fluctuation, easy turning and twisting and the like caused by the filament unwinding in the existing roll-shaped spindle form are overcome, the labor is reduced, the energy consumption is reduced, the cost is controlled, the filament unwinding frame is low in energy consumption, the tension change is small, and the turning and twisting of the filament bundle can be effectively prevented. And the packaged tows are stacked layer by layer and are uniformly distributed left and right. The tows contained in the box-packed tows can reach 500kg, the number of times of replacing and connecting the tows is reduced, and the tows are stored by the box, so that the tows are convenient to transport and store, and labor is reduced.
When the precursor wire passes through the first tension frame, the wire bundle is wound on two guide rollers to form an S-shaped wrap angle. And applying an initial tension to the filament bundle through friction force, adjusting the rotation angle of the guide roller, adjusting the S-shaped wrap angle degree, further adjusting the tension of the filament bundle, and then entering the next stage.
When the precursor passes through the second tension frame, the straight rods and the arc rods are distributed up and down, the wrap angles of the tows passing through the straight rods and the arc rods are approximately equal to 180 degrees, the contact wrap angles can be adjusted, the height of the straight rods and the arc rods can be adjusted by 25mm up and down through the strip-shaped gaps of the side plates, the wrap angles of the tows are adjusted by 90-180 degrees, and the tows are formed into a plurality of S shapes by the tows. In the adjusting process, a gap is reserved between the arc-shaped rod and the straight rod, so that the arc-shaped rod and the straight rod can be easily adjusted up and down. And the arc-shaped rod rotates at different angles to form different radians, so that the width of a silk surface formed by the silk bundle is controlled. After the positions and angles of the arc-shaped rod and the straight rod are adjusted, the arc-shaped rod and the straight rod cannot rotate, and the tows generate friction force depending on the wrap angle, so that tension is applied to the tows. And the tows finally enter the grooved wheels to control the positions of the tows, so that the positions and the spacing of the tows are ensured, and the tows are easy to control.
Drawings
Fig. 1 is a schematic view of a structure of a wire feeding device in a three-dimensional direction.
Fig. 2 is an enlarged view of a portion of the wire unwinding device.
Fig. 3 is a schematic view of the structure of the first tension bracket and the box in a three-dimensional direction.
Fig. 4 is a side view of the first tension bracket.
Fig. 5 is an enlarged view at the first clamping plate and the second clamping plate.
Fig. 6 is a schematic structural view of the second tension frame.
Fig. 7 is a side view of a second tension bracket.
Fig. 8 is a front view of the carrier plate, the fixing block, and the H-section steel.
Fig. 9 is a schematic structural view of the bearing plate and the fixing block in a three-dimensional direction.
Fig. 10 is a top view of a multi-row case.
Fig. 11 is a front view of the wire unwinding device.
Fig. 12 is a top view of the wire feeding apparatus.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
In order to facilitate the unified viewing of the various reference numerals within the drawings of the specification, the reference numerals appearing in the drawings of the specification are now collectively described as follows:
1 is a building frame, 2 is a wire releasing unit, 3 is a second tension frame, 4 is a folding roller mechanism, 5 is an avoiding roller, 6 is a wire collecting roller, 7 is a precursor, 2-1 is a box, 2-2 is a guide roller, 2-3 is a side supporting rod, 2-4 is a connecting plate, 2-5 is a first clamping plate, 2-6 is a second clamping plate, 2-7 is a clamping bolt, 2-8 is a backing plate, 2-9 is a clamping groove, 2-10 is a clamping ring, 2-11 is a groove, 3-1 is a side plate, 3-2 is a connecting rod, 3-3 is a straight rod, 3-4 is an arc-shaped rod, 3-5 is a handle bolt, 3-6 is a strip-shaped notch, 3-7 is a grooved pulley, 3-8 is a bearing plate, 3-9 is a U-shaped bolt, 3-10 is a fixed block, 3-11 is H-shaped steel, 4-1 is a folding roller, and 4-2 is a wire supporting roller.
Referring to fig. 1, 2, 10, 11 and 12, a novel filament feeding device with constant tension box comprises a building frame, a multi-discharge filament unit and a plurality of rows of second tension frames. Each wire unwinding unit comprises a box body positioned below one building frame and a first tension frame arranged on the box body, and the wires are wound into the first tension frame after coming out of the box body, namely, for each wire unwinding unit, the wires are arranged in the box body, and after coming out of the box body, the wires are wound into the first tension frame and then wound out of the first tension frame. The second tension frame is arranged at the upper part of the building frame, and a plurality of filament collecting rollers and a plurality of filament supporting rollers are arranged at the top of the building frame. The box body of the multi-discharge wire unit is correspondingly provided with a plurality of rows, the placement of the box body can be more than two rows, three rows and the like, and the number of the box bodies can be set according to actual conditions.
As shown in fig. 1,2 and 11, the filaments led out from the filament discharge unit are led to the second tension frame by or without passing through the deflecting roller mechanism, i.e. after the filaments are wound out of the first tension frame, the filaments are wound into the second tension frame directly or the filaments are wound into the deflecting roller mechanism before being wound into the second tension frame according to circumstances. The filaments drawn from the second tension frame pass through a godet and a godet. The primary yarn conveying path of each yarn discharging unit is a first tension frame, a second tension frame, a plurality of yarn collecting rollers and a plurality of yarn supporting rollers, which pass through or not pass through a turning roller mechanism, and then all primary yarns of all yarn discharging units jointly bypass the yarn collecting roller at the tail end, namely, all the primary yarns of the yarn discharging units form a face yarn bundle and then wind the last yarn collecting roller.
As shown in fig. 3, 4 and 5, the first tension frame comprises a frame body and a plurality of guide rollers (two are shown in fig. 3, and the number of the guide rollers can be determined according to practice) arranged on the frame body; the lower extreme of support body is equipped with first splint and second splint, and first splint and second splint are a fixed whole with the support body. The clamping bolt in threaded connection with the second clamping plate is arranged on the second clamping plate, namely the second clamping plate is drilled with the clamping bolt in threaded connection with the second clamping plate, the end part of the clamping bolt is connected with a base plate, the base plate is located in a clamping groove formed by the first clamping plate and the second clamping plate, and the first clamping plate and the second clamping plate are clamped at the edge of the box body together. The backing plate is provided with a groove, the end part of the clamping bolt is provided with a clamping ring, namely the clamping ring is fixed at the end part of the clamping bolt, and the clamping ring is positioned in the groove of the backing plate. The whole frame body is placed on the upper edge of the box body, the edge of the box body is located in a clamping groove formed by the first clamping plate and the second clamping plate, then the clamping bolt is screwed down, and the base plate and the first clamping plate jointly clamp the edge of the box body. After the precursor wire comes out of the box body, the precursor wire runs upwards and then bypasses two steel rollers with adjusted angles, so that the precursor wire winds out of the first tension frame.
Referring to fig. 3, 4 and 5, the frame body includes two side support bars, and a connection plate mounted on the side support bars; namely, the frame body is provided with two side support rods and two connecting plates, and each connecting plate is arranged on the side support rod. The ends of the guide rollers are connected to the connecting plate. The middle part of the connecting plate is connected with the side support rod through a bolt, and when the connecting plate rotates to a certain angle (drives the guide roller to rotate), the bolt is screwed down, so that the connecting plate and the side support rod are fixed together. The first clamping plate and the second clamping plate are fixed at the lower ends of the side supporting rods.
The second tension frame comprises two side plates fixedly connected together through a plurality of (four are shown in the figure) connecting rods, a plurality of straight rods and a plurality of arc-shaped rods which are arranged between the two side plates, and grooved wheels which are arranged at the rear end of the second tension frame. The two side plates are connected and fixed together through the plurality of connecting rods, a plurality of straight rods and a plurality of arc-shaped rods are arranged between the two side plates, and the arrangement sequence and the arrangement positions of the plurality of straight rods and the plurality of arc-shaped rods can be determined according to actual conditions. The grooved pulley is provided with two sliding grooves. The side plate is provided with a plurality of bar-shaped gaps, the straight rod and the arc-shaped rod are fixed on the side plate through handle bolts, and the handle bolts penetrate through the bar-shaped gaps to be in threaded connection with the corresponding straight rod or the arc-shaped rod. The filaments are sequentially wound into and out of the corresponding straight rods and the corresponding arc rods, then each filament is divided into two at the grooved pulley outlet, each filament is divided into two, and the filaments are wound out of the grooved pulley outlet and enter a filament supporting roller and a filament collecting roller on the building frame.
The second tension bracket also comprises a bearing plate, two fixing blocks, a U-shaped bolt and H-shaped steel, as shown in the combination of fig. 6, 7, 8 and 9; the U-shaped bolt is connected with the bearing plate, the connecting rod above the second tension bracket is positioned in the U-shaped area of the U-shaped bolt, the two fixing blocks are fixed on the bearing plate, the lower part of the H-shaped steel is positioned in a fixing groove formed by the two fixing blocks and the bearing plate together, and the upper part of the H-shaped steel is fixed on the building frame.
As shown in fig. 10, the boxes on both sides are arranged in a straight line direction and the boxes in the middle are arranged in a diagonal line direction, among the multiple rows of boxes, as seen in a plan view. Four rows of boxes are taken as an example for illustration: the two rows of boxes on two sides are sequentially arranged along the straight line in the transverse direction, the two rows of boxes in the middle are sequentially arranged along the inclined direction, and the boxes can be placed on the ground.
As shown in fig. 12, among the plurality of rows of second tension frames, the second tension frames of each row are also sequentially arranged along a certain straight line or oblique line. The wire releasing unit is arranged below the building frame, and the second tension frame is arranged at the upper part of the building frame. All the second tension brackets are located substantially at the position of the intermediate box body as seen in the top view, i.e. all the second tension brackets are located substantially above the intermediate box body.
The filaments from the two side boxes are guided to the second tension frame through the turning roll mechanism, and the filaments from the middle box are guided to the second tension frame through or without passing through the avoiding rolls. The turning roll mechanism comprises a plurality of turning rolls and a plurality of silk supporting rolls which are arranged on a building frame, two turning rolls and a silk supporting roll are arranged in the middle of the building frame, and the silk supporting roll is arranged between the two turning rolls. Some of the precursor wires coming out of the middle box body are guided to the second tension frame, some of the precursor wires can pass through the avoidance roller, so that the precursor wires are bent at a certain position, and the precursor wires and the other precursor wires are mutually avoided.
After the precursor of the box body at two sides comes out, the precursor is vertically conveyed upwards, then passes through a first folding roller of a folding roller mechanism, the precursor becomes horizontally and moves to the middle position of the building frame, then passes through a wire supporting roller, passes through a second folding roller, reaches the middle position of the building frame, passes through the second folding roller, then becomes vertically conveyed upwards to reach a second tension frame, and then comes out from the second tension frame, and then enters into a wire supporting roller and a wire collecting roller at the top of the building frame.
After the precursor of middle box comes out, the precursor is vertical upwards to be carried, if the precursor that the middle box comes out and the precursor that the both sides box comes out do not produce the interference in the middle part of building frame, the precursor that the middle box comes out can directly reach the second tension frame on building frame upper portion through dodging the roller, if produce the interference, then need, the precursor that the middle box comes out then need through dodging the roller and then reach the second tension frame on building frame upper portion, then reentrant building frame top hold in the palm the silk roller and hold in the palm the silk roller, the different positions at building frame top can install the silk roller of collection of suitable quantity and hold in the palm the silk roller.
As each wire discharge unit runs, the wires are more and more dense near the tail end of the building frame, and finally all the wires pass through the wire collecting roller at the tail end of the building frame and are conveyed to the subsequent process by the wire collecting roller.
The application also relates to a novel box-packaged precursor filament rack, which comprises a rack body and a plurality of guide rollers arranged on the rack body; the lower extreme of support body is equipped with first splint and second splint, is equipped with the clamp bolt of threaded connection with the second splint on the second splint, and clamp bolt's end connection has the backing plate, and the backing plate is located the draw-in groove that first splint and second splint formed, and first splint and second splint press from both sides at the edge of box jointly.
The base plate is provided with a groove, the end part of the clamping bolt is provided with a clamping ring, the clamping ring is fixed at the end part of the clamping bolt, and the clamping ring is positioned in the groove of the base plate;
The frame body comprises two side support rods and a connecting plate arranged on the side support rods; the ends of all guide rollers are connected to the connecting plate, the middle of the connecting plate is in threaded connection with the upper end of the side supporting rod through bolts, and the first clamping plate and the second clamping plate are fixed at the lower end of the side supporting rod.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (7)
1. Novel constant tension box dress precursor is put a piece of equipment, its characterized in that: comprises a building frame, a multi-discharge wire unit and a plurality of rows of second tension frames;
The wire unwinding unit comprises a box body positioned below the building frame and a first tension frame arranged on the box body, and the precursor wire is wound into the first tension frame after coming out of the box body;
the second tension frame is arranged at the upper part of the building frame, and the top of the building frame is provided with a plurality of filament collecting rollers and a plurality of filament supporting rollers;
The filaments led out from the filament discharging unit are led to the second tension frame through or without passing through the turning roll mechanism, and the filaments led out from the second tension frame pass through the filament supporting roll and the filament collecting roll; all the filaments jointly bypass the terminal filament collecting roller;
The first tension frame comprises a frame body and a plurality of guide rollers arranged on the frame body; the lower end of the frame body is provided with a first clamping plate and a second clamping plate, the second clamping plate is provided with a clamping bolt in threaded connection with the second clamping plate, the end part of the clamping bolt is connected with a base plate, the base plate is positioned in a clamping groove formed by the first clamping plate and the second clamping plate, and the first clamping plate and the second clamping plate are clamped at the edge of the box body together;
The second tension bracket comprises two side plates fixedly connected together through a connecting rod, a plurality of straight rods and a plurality of arc-shaped rods which are arranged between the two side plates, and grooved wheels which are arranged at the end parts of the second tension bracket; the side plate is provided with a plurality of bar-shaped gaps, the straight rod and the arc-shaped rod are fixed on the side plate through handle bolts, and the handle bolts penetrate through the bar-shaped gaps to be in threaded connection with the corresponding straight rod or the arc-shaped rod.
2. A novel constant tension box-packed precursor filament paying-off device according to claim 1, wherein: the backing plate is provided with a groove, the end part of the clamping bolt is provided with a clamping ring, the clamping ring is fixed at the end part of the clamping bolt, and the clamping ring is positioned in the groove of the backing plate.
3. A novel constant tension box-packed precursor filament paying-off device according to claim 1, wherein: the frame body comprises two side support rods and a connecting plate arranged on the side support rods; the ends of all guide rollers are connected to the connecting plate, the middle of the connecting plate is in threaded connection with the upper end of the side supporting rod through bolts, and the first clamping plate and the second clamping plate are fixed at the lower end of the side supporting rod.
4. A novel constant tension box-packed precursor filament paying-off device according to claim 1, wherein: the second tension bracket also comprises a bearing plate, two fixed blocks, a U-shaped bolt and H-shaped steel; the U-shaped bolt is in threaded connection with the bearing plate, the connecting rod above the second tension bracket is located in the U-shaped area of the U-shaped bolt, the two fixing blocks are fixed on the bearing plate, the lower part of the H-shaped steel is located in a fixing groove formed by the two fixing blocks and the bearing plate together, and the upper part of the H-shaped steel is fixed on the building frame.
5. A novel constant tension box-packed precursor filament paying-off device according to claim 1, wherein: among the multiple rows of boxes, the boxes on both sides are arranged along the straight line direction, and the boxes in the middle are arranged along the oblique line direction.
6. A novel constant tension box-packed precursor filament paying-off device according to claim 5, wherein: the filaments from the two side boxes are guided to the second tension frame through the turning roll mechanism, and the filaments from the middle box are guided to the second tension frame through or without passing through the avoiding rolls.
7. A novel constant tension box-packed precursor filament paying-off device according to claim 1, wherein: the turning roll mechanism comprises a plurality of turning rolls and a plurality of silk supporting rolls which are arranged on the building frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010425691.5A CN111689296B (en) | 2020-05-19 | 2020-05-19 | Novel constant tension box-mounted precursor wire unwinding equipment and box-mounted precursor wire unwinding frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010425691.5A CN111689296B (en) | 2020-05-19 | 2020-05-19 | Novel constant tension box-mounted precursor wire unwinding equipment and box-mounted precursor wire unwinding frame |
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| Publication Number | Publication Date |
|---|---|
| CN111689296A CN111689296A (en) | 2020-09-22 |
| CN111689296B true CN111689296B (en) | 2024-06-18 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684763A (en) * | 2016-12-22 | 2017-05-17 | 中铁十九局集团电务工程有限公司 | Bridge winding pulley and bridge |
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