CN112676825A - Eccentric online adjustment mechanism in drawing frame chassis - Google Patents
Eccentric online adjustment mechanism in drawing frame chassis Download PDFInfo
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- CN112676825A CN112676825A CN202110026259.3A CN202110026259A CN112676825A CN 112676825 A CN112676825 A CN 112676825A CN 202110026259 A CN202110026259 A CN 202110026259A CN 112676825 A CN112676825 A CN 112676825A
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Abstract
The invention provides an online eccentric adjusting mechanism for a bottom box of a drawing frame, wherein a supporting plate box assembly comprises a supporting plate box with a backward opening, a belt wheel and a movable tensioning wheel, wherein the belt wheel and the movable tensioning wheel can be axially and rotatably arranged on the supporting plate box, the movable tensioning wheel can be slidably arranged on the supporting plate box, and two supporting plate boxes can be arranged in a movable cavity in a left-right moving mode; the first fixed tension wheel is rotatably arranged on the bottom plate; the first toothed belt is sequentially wound on the peripheries of the small belt wheels, one belt wheel, the two movable tensioning wheels and the other belt wheel, and the first fixed tensioning wheel is meshed with the outer side of the first toothed belt; the two second fixed tensioning wheels can be rotatably arranged on the bottom plate and meshed with the outer side of the first toothed belt; the two driving mechanisms are respectively positioned in the two adjusting cavities, the driving rods of the driving mechanisms penetrate through the through holes to be positioned in the adjusting cavities, and the supporting plate box is driven to move left and right. The technical scheme provided by the invention has the beneficial effects that: the work of disassembling a large number of parts in the past is saved, the adjustment is convenient and fast, and the efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of textile machinery, in particular to an eccentric online adjusting mechanism for a drawing frame chassis.
Background
The existing drawing frame in the market generally needs to adjust the eccentricity of the chassis when the gap between the output cotton sliver and the can wall is larger due to the adjustment of the tension due to the process requirement. The bottom plate cover plates and the sliver can chassis on the left side and the right side are dismounted, then the belt tensioning device is loosened, the left base and the right base are loosened, the cotton can chassis and the bottom plate cover plates are installed after the left base and the right base are moved to the required positions and fixed, finally the belt is tensioned again, and the sliver can chassis and the bottom plate cover plates are installed, and the test run is carried out until the requirements are met. These work are tedious, have also increased staff's intensity of labour, have influenced the production efficiency of drawing frame.
Disclosure of Invention
In view of the above, in order to solve the above problems, embodiments of the present invention provide an online adjustment mechanism for eccentricity of a draw frame chassis.
The embodiment of the invention provides an eccentric online adjusting mechanism for a drawing frame bottom box, which comprises:
the bottom plate is provided with a plurality of chambers which are provided with backward openings at intervals and comprise two adjusting chambers, a moving chamber and a driving chamber, the two adjusting chambers are respectively positioned at the left side and the right side of the moving chamber, and the driving chamber is positioned at one side of the moving chamber and one side of the adjusting chambers;
the two pallet box assemblies comprise pallet boxes with backward openings, belt wheels and movable tensioning wheels, the belt wheels and the movable tensioning wheels can be axially and rotatably arranged on the pallet boxes, the movable tensioning wheels can be slidably arranged on the pallet boxes, and the two pallet boxes can be movably arranged in the moving cavity in the left-right direction and are opposite to the adjusting cavity one by one;
the first fixed tensioning wheel is rotatably arranged on the bottom plate and is positioned between the two supporting plate boxes, and the movable tensioning wheel is positioned between the first fixed tensioning wheel and the belt wheel;
the bearing block can be axially and rotatably arranged on the bottom plate and is positioned in the driving cavity, and a small belt wheel is fixed on the bearing block;
the first toothed belt is sequentially wound on the peripheries of the small belt wheels, one belt wheel, the two movable tensioning wheels and the other belt wheel, through holes for the first toothed belt to pass through are formed in the positions, opposite to the first toothed belt, of the movable chamber, the driving chamber and the supporting plate box in a penetrating mode, and the first fixed tensioning wheel is meshed with the outer side of the first toothed belt;
two second fixed tensioning wheels which can be rotatably arranged on the bottom plate and are meshed with the outer side of the first toothed belt, wherein the two second fixed tensioning wheels are positioned on two sides of the bearing seat, and each second fixed tensioning wheel is positioned between the bearing seat and each belt wheel; and the number of the first and second groups,
two actuating mechanism are located two respectively adjust the cavity, adjust the cavity towards one side of removing the cavity is run through and is equipped with the perforation, actuating mechanism's actuating lever passes the perforation is located adjust the cavity, the drive the layer board box is to the removal about.
Furthermore, each supporting plate box is internally provided with a swing arm assembly, each swing arm assembly comprises a swing arm piece and a positioning piece, one end of each swing arm piece is hinged with the supporting plate box to form a hinged point, the other end of each swing arm piece can rotate around the hinged point, the movable tensioning wheel is fixed on the swing arm piece, and the positioning pieces are used for positioning the swing arm pieces after the swing arm pieces rotate.
Furthermore, an arc-shaped through hole is formed in the swing arm piece in a penetrating mode, a first threaded hole is formed in the supporting plate box, one end of a compression screw penetrates through the arc-shaped through hole to be connected with the first threaded hole, and the other end of the compression screw abuts against the swing arm piece.
Further, an air spring is hinged between the swinging arm component and the supporting plate box.
Furthermore, the upper end of the air spring is connected with the support plate box through a rotating block, the rotating block is rotatably installed on the support plate box, and the air spring is hinged to the rotating block.
Further, actuating mechanism includes fixing base and adjusting screw, the fixing base is fixed in on the bottom plate, but adjusting screw axial rotation install in on the fixing base, remove cavity, layer board box with the relative position of perforation all runs through and is equipped with the through-hole of stepping down, layer board box inboard welding has the nut, adjusting screw one end is passed perforation and the through-hole of stepping down and with nut screw-thread fit, the other end is used for being located the fixing base deviates from one side of layer board box.
Further, the adjusting chamber is covered with a detached first cover plate.
Furthermore, a plurality of distance blocks are fixed on the supporting plate box, the distance blocks penetrate through bar-shaped through holes extending along the left and right directions, a plurality of second threaded holes in one-to-one correspondence with the distance blocks are formed in the bottom plate, one end of each fastening screw penetrates through the bar-shaped through holes and is connected with the second threaded holes, and the other end of each fastening screw is abutted against the distance blocks.
Further, two all the lid has closed the second apron on the tray box, the second apron is located the bottom plate rear, the second apron with the position that fastening screw is relative is equipped with the perforation of stepping down, two it sets up formation removal space to be the interval between the second apron, be fixed with the third apron on the bottom plate, the third apron is located second apron rear, and covers removal space.
Furthermore, a rear tension wheel, a lower vertical bearing seat and a second toothed belt are arranged in the driving cavity, the lower vertical bearing seat is installed on the bottom plate, the lower vertical bearing seat is rotatably provided with the toothed wheel, a large belt wheel is fixed on the bearing seat, the second toothed belt is wound on the peripheries of the toothed wheel and the large belt wheel, and the rear tension wheel is meshed with the outer side of the second toothed belt.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: when the position of the supporting plate box is required to be adjusted, the fastening screw and the compression screw are unscrewed, the first cover plate on the moving cavity is detached, the supporting plate box can be moved in the left-right direction by rotating the adjusting screw rod, and the first toothed belt can be always kept in a tensioning state due to the movable tensioning wheel which is slidably mounted on the supporting plate box, so that the work of detaching a large number of parts in the past is omitted, the adjustment is convenient and fast, and the efficiency is greatly improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of an eccentric online adjusting mechanism of a draw frame bottom box provided by the invention;
FIG. 2 is a schematic view of the eccentric on-line adjusting mechanism (a first cover plate, a second cover plate and a third cover plate are hidden) of the drawing frame chassis in FIG. 1;
fig. 3 is an enlarged schematic view at a in fig. 2.
In the figure: the device comprises a bottom plate 1, an adjusting chamber 11, a moving chamber 12, a driving chamber 13, a rear tension wheel 13a, a lower vertical bearing seat 13b, a second toothed belt 13c, a first cover plate 14, a supporting plate box assembly 2, a supporting plate box 21, a belt wheel 22, a movable tension wheel 23, a distance block 24, a strip-shaped through hole 24a, a fastening screw 25, a first fixed tension wheel 3, a bearing seat 4, a small belt wheel 41, a first toothed belt 5, a second fixed tension wheel 6, a driving mechanism 7, a fixing seat 71, an adjusting screw 72, a nut 73, a swing arm piece 8, an arc-shaped through hole 81, an air spring 82, a compression screw 83, a second cover plate 9, a position-avoiding through hole 91 and a third cover plate 10.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 3, an embodiment of the present invention provides an online adjusting mechanism for the eccentricity of a draw frame bottom box, which includes a bottom plate 1, two pallet box assemblies 2, a first fixed tension pulley 3, a bearing seat 4, a first toothed belt 5, two second fixed tension pulleys 6, and two driving mechanisms 7.
The bottom plate 1 is equipped with a plurality of cavities that a plurality of openings are towards back and interval set up, including two regulation cavity 11, removal cavity 12 and drive cavity 13, two regulation cavity 11 is located respectively remove the cavity 12 left and right sides, drive cavity 13 is located remove cavity 12 regulation cavity 11 one side, drive cavity 13 is located in this embodiment remove cavity 12 regulation cavity 11 upside.
Each pallet box assembly 2 comprises a pallet box 21 with a backward opening, a pulley 22 and a movable tension pulley 23, wherein the pulley 22 and the movable tension pulley 23 are axially and rotatably mounted on the pallet box 21, the movable tension pulley 23 is slidably mounted on the pallet box 21, and the two pallet boxes 21 can be movably mounted in the moving chamber 12 in the left-right direction and are opposite to the adjusting chamber 11 one by one. The supporting plate box 21 can be slidably mounted on the bottom plate 1 in a way that the guide rail is matched with the sliding groove, and the fixing of the supporting plate box 21 is realized through the friction between the guide rail and the sliding groove. In this embodiment, a plurality of distance blocks 24 are fixed on the pallet box 21, specifically, the distance blocks 24 are correspondingly arranged at four top corners of the pallet box 21, the distance blocks 24 are provided with strip-shaped through holes 24a extending in the left-right direction in a penetrating manner, the bottom plate 1 is provided with a plurality of second threaded holes corresponding to the distance blocks 24 one to one, one end of a fastening screw 25 penetrates through the strip-shaped through holes 24a to be connected with the second threaded holes, and the other end of the fastening screw abuts against the distance blocks 24. The fastening screws 25 are unscrewed, the pallet box 21 can be moved leftwards and rightwards, the fastening screws 25 are screwed, the pallet box 21 can be positioned, the operation is simple and convenient, and meanwhile, the fixing strength of the pallet box 21 can be ensured.
Two actuating mechanism 7 are located two respectively in the regulation cavity 11, regulation cavity 11 towards one side of moving cavity 12 is run through and is equipped with the perforation, actuating mechanism 7's actuating lever passes the perforation is located in regulation cavity 11, the drive layer board box subassembly 2 is controlling to the removal. Actuating mechanism 7 can be one-way cylinder etc. in this embodiment, actuating mechanism 7 includes fixing base 71 and adjusting screw 72, fixing base 71 is fixed in on the bottom plate 1, but adjusting screw 72 axial rotation install in on the fixing base 71, adjusting screw 72 is along controlling to extending, remove cavity 12, pallet box 21 with the relative position of perforation all runs through and is equipped with the through-hole of stepping down, the inboard welding of pallet box 21 has nut 73, adjusting screw 72 one end is passed perforation and step down the through-hole and with nut 73 screw-thread fit, the other end is used for being located fixing base 71 deviates from one side of pallet box 21. Through rotatory adjusting screw 72, can drive the tray box 21 to removing about, in order to avoid dust etc. to enter into regulation cavity 11, regulation cavity 11 lid has the first apron 14 of dismantlement, dismantles first apron 14, can manually rotate adjusting screw 72, adjusts tray box 21.
The first fixed tension pulley 3 is rotatably mounted on the base plate 1 and is located between the two pallet boxes 21, and the movable tension pulley 23 is located between the first fixed tension pulley 3 and the pulley 22.
The bearing seat 4 is axially and rotatably mounted on the base plate 1 and located in the driving chamber 13, and a small belt wheel 41 is fixed on the bearing seat 4. The rear tensioning wheel 13a, the lower vertical bearing seat 13b and the second toothed belt 13c are further arranged in the driving chamber 13, the lower vertical bearing seat 13b is mounted on the bottom plate 1, the lower vertical bearing seat 13b is rotatably mounted with the toothed wheel, the bearing seat 4 is fixedly provided with the large belt wheel, the second toothed belt 13c is wound on the peripheries of the toothed wheel and the large belt wheel, the rear tensioning wheel 13a is meshed with the outer side of the second toothed belt 13c, the lower vertical bearing seat 13b is used for being connected with a rotating shaft, and the rotating shaft rotates to drive the toothed wheel to rotate, so that the second toothed belt 13c rotates to further drive the bearing seat 4 to rotate.
The first toothed belt 5 is sequentially wound around the small belt wheel 41, one of the belt wheels 22, the two movable tensioning wheels 23 and the other belt wheel 22, through holes for the first toothed belt 5 to pass through are formed in the positions, opposite to the first toothed belt 5, of the movable chamber 12, the driving chamber 13 and the pallet box 21, respectively, and the first fixed tensioning wheel 3 is meshed with the outer side of the first toothed belt 5. Two second fixed tension pulleys 6 are rotatably mounted on the base plate 1 and meshed with the outer side of the first toothed belt 5, the two second fixed tension pulleys 6 are positioned on both sides of the bearing block 4, and each second fixed tension pulley 6 is positioned between the bearing block 4 and each pulley 22.
The bearing seat 4 rotates to drive the first toothed belt 5 to rotate, when the position of the supporting plate box 21 is required to be adjusted, the fastening screws 25 are unscrewed, in the embodiment, after the fastening screws 25 on the four top corners of the supporting plate box 21 are unscrewed, the first cover plate 14 on the moving cavity 12 is detached, the supporting plate box 21 can be moved in the left-right direction by rotating the adjusting screw rod 72, and due to the fact that the movable tensioning wheel 23 which can be slidably mounted on the supporting plate box 21 is arranged, the first toothed belt 5 can be always kept in a tensioning state, the work of disassembling a large number of parts in the past is omitted, adjustment is convenient and fast, and efficiency is greatly improved.
In this embodiment, a swing arm assembly is disposed in each pallet box 21, the swing arm assembly includes a swing arm 8 and a positioning element, one end of the swing arm 8 is hinged to the pallet box 21 to form a hinge point, the other end of the swing arm can rotate around the hinge point, the movable tension pulley 23 is fixed to the swing arm 8, the positioning element is configured to position the swing arm 8 after the swing arm 8 rotates, and the movable tension pulley 23 can be moved by rotating the swing arm 8, so that the first toothed belt 5 is always in a tensioned state. Specifically, an arc-shaped through hole 81 penetrates through the swinging arm member 8, a first threaded hole is formed in the pallet box 21, one end of a compression screw 83 penetrates through the arc-shaped through hole 81 to be connected with the first threaded hole, the other end of the compression screw abuts against the swinging arm member 8, and the compression screw 83 is the positioning member. By loosening the pressing screw 83, the swinging arm member 8 is rotated to move the tension pulley 23, and by tightening the pressing screw 83, the swinging arm member 8 is fixed. A gas spring 82 is hinged between the swinging arm part 8 and the pallet box 21, and the swinging arm part 8 is pushed by the gas spring 82, so that the first toothed belt 5 can be always kept in a tensioned state. Specifically, the upper end of the gas spring 82 is connected with the pallet box 21 through a rotating block, the rotating block is rotatably mounted on the pallet box 21, and the gas spring 82 is hinged to the rotating block, so that the gas spring 82 is conveniently connected with the pallet box 21.
In order to avoid dust and the like entering the movable chamber 12, the two pallet boxes 21 are covered with second cover plates 9, the second cover plates 9 are located behind the bottom plate 1, the two second cover plates 9 are arranged at intervals to form a movable space, a third cover plate 10 is fixed on the bottom plate 1, and the third cover plate 10 is located behind the second cover plates 9 and covers the movable space. The second apron 9 is driven to remove when the layer board box 21 removes, the second apron 9 with the relative position of fastening screw 25 is equipped with and steps down perforation 91, does not pull down the condition of second apron 9, can adjust fastening screw 25.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
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, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides an eccentric online adjustment mechanism of drawing frame end box which characterized in that includes:
the bottom plate is provided with a plurality of chambers which are provided with backward openings at intervals and comprise two adjusting chambers, a moving chamber and a driving chamber, the two adjusting chambers are respectively positioned at the left side and the right side of the moving chamber, and the driving chamber is positioned at one side of the moving chamber and one side of the adjusting chambers;
the two pallet box assemblies comprise pallet boxes with backward openings, belt wheels and movable tensioning wheels, the belt wheels and the movable tensioning wheels can be axially and rotatably arranged on the pallet boxes, the movable tensioning wheels can be slidably arranged on the pallet boxes, and the two pallet boxes can be movably arranged in the moving cavity in the left-right direction and are opposite to the adjusting cavity one by one;
the first fixed tensioning wheel is rotatably arranged on the bottom plate and is positioned between the two supporting plate boxes, and the movable tensioning wheel is positioned between the first fixed tensioning wheel and the belt wheel;
the bearing block can be axially and rotatably arranged on the bottom plate and is positioned in the driving cavity, and a small belt wheel is fixed on the bearing block;
the first toothed belt is sequentially wound on the peripheries of the small belt wheels, one belt wheel, the two movable tensioning wheels and the other belt wheel, through holes for the first toothed belt to pass through are formed in the positions, opposite to the first toothed belt, of the movable chamber, the driving chamber and the supporting plate box in a penetrating mode, and the first fixed tensioning wheel is meshed with the outer side of the first toothed belt;
two second fixed tensioning wheels which can be rotatably arranged on the bottom plate and are meshed with the outer side of the first toothed belt, wherein the two second fixed tensioning wheels are positioned on two sides of the bearing seat, and each second fixed tensioning wheel is positioned between the bearing seat and each belt wheel; and the number of the first and second groups,
two actuating mechanism are located two respectively adjust the cavity, adjust the cavity towards one side of removing the cavity is run through and is equipped with the perforation, actuating mechanism's actuating lever passes the perforation is located adjust the cavity, the drive the layer board box is to the removal about.
2. The draw frame chassis eccentric online adjusting mechanism according to claim 1, wherein a swing arm assembly is provided in each support plate box, the swing arm assembly comprises a swing arm member and a positioning member, one end of the swing arm member is hinged to the support plate box to form a hinge point, the other end of the swing arm member can rotate around the hinge point, the movable tension wheel is fixed on the swing arm member, and the positioning member is used for positioning the swing arm member after the swing arm member rotates.
3. The online eccentric adjustment mechanism for the draw frame chassis according to claim 2, wherein the swinging arm member is provided with an arc-shaped through hole, the tray box is provided with a first threaded hole, one end of a compression screw penetrates through the arc-shaped through hole to be connected with the first threaded hole, and the other end of the compression screw abuts against the swinging arm member.
4. The draw frame chassis eccentricity on-line adjusting mechanism according to claim 2, wherein a gas spring is hinged between the swinging arm member and the supporting plate box.
5. The mechanism for adjusting the eccentricity of the draw frame chassis according to claim 4, wherein the upper end of the gas spring is connected with the tray box through a rotating block, the rotating block is rotatably mounted on the tray box, and the gas spring is hinged with the rotating block.
6. The online eccentric adjusting mechanism of the bottom box of the drawing frame as claimed in claim 1, wherein the driving mechanism comprises a fixing seat and an adjusting screw, the fixing seat is fixed on the bottom plate, the adjusting screw is axially and rotatably mounted on the fixing seat, the moving chamber, the supporting plate box and the position opposite to the through hole are respectively provided with a yielding through hole, a nut is welded on the inner side of the supporting plate box, one end of the adjusting screw penetrates through the through hole and the yielding through hole and is in threaded fit with the nut, and the other end of the adjusting screw is used for being located on one side of the fixing seat, which is far away from the supporting plate box.
7. The draw frame chassis eccentricity in-line adjustment mechanism according to claim 6, wherein the adjustment chamber is covered with a detached first cover plate.
8. The eccentric online adjusting mechanism of the draw frame bottom box according to claim 1, wherein a plurality of distance blocks are fixed on the supporting plate box, the distance blocks are provided with strip-shaped through holes extending along the left and right directions in a penetrating manner, a plurality of second threaded holes corresponding to the distance blocks one to one are arranged on the bottom plate, one end of a fastening screw penetrates through the strip-shaped through holes to be connected with the second threaded holes, and the other end of the fastening screw abuts against the distance blocks.
9. The eccentric online adjusting mechanism of the draw frame bottom box according to claim 8, wherein a second cover plate covers both the two pallet boxes, the second cover plate is located behind the bottom plate, a relief through hole is arranged at a position of the second cover plate opposite to the fastening screw, a moving space is formed between the two second cover plates at an interval, a third cover plate is fixed on the bottom plate, and the third cover plate is located behind the second cover plate and covers the moving space.
10. The mechanism for on-line adjustment of the eccentricity of the draw frame chassis according to claim 1, wherein a rear tension wheel, a lower vertical bearing seat and a second toothed belt are arranged in the driving chamber, the lower vertical bearing seat is mounted on the bottom plate, the lower vertical bearing seat is rotatably mounted with the toothed wheel, a large belt wheel is fixed on the bearing seat, the second toothed belt is wound around the toothed wheel and the large belt wheel, and the rear tension wheel is meshed with the outer side of the second toothed belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110026259.3A CN112676825A (en) | 2021-01-08 | 2021-01-08 | Eccentric online adjustment mechanism in drawing frame chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110026259.3A CN112676825A (en) | 2021-01-08 | 2021-01-08 | Eccentric online adjustment mechanism in drawing frame chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112676825A true CN112676825A (en) | 2021-04-20 |
Family
ID=75456808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110026259.3A Pending CN112676825A (en) | 2021-01-08 | 2021-01-08 | Eccentric online adjustment mechanism in drawing frame chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112676825A (en) |
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2021
- 2021-01-08 CN CN202110026259.3A patent/CN112676825A/en active Pending
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