CN219727176U - Stretching mechanism for polymer sheet extrusion - Google Patents
Stretching mechanism for polymer sheet extrusion Download PDFInfo
- Publication number
- CN219727176U CN219727176U CN202321316416.5U CN202321316416U CN219727176U CN 219727176 U CN219727176 U CN 219727176U CN 202321316416 U CN202321316416 U CN 202321316416U CN 219727176 U CN219727176 U CN 219727176U
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- fixed
- stretching
- polymer sheet
- threaded column
- vertical board
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- 230000007246 mechanism Effects 0.000 title claims abstract description 65
- 229920000642 polymer Polymers 0.000 title claims abstract description 40
- 238000001125 extrusion Methods 0.000 title claims description 8
- 230000009471 action Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 claims 5
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000002861 polymer material Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000010128 melt processing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The utility model provides a stretching mechanism for extruding a polymer sheet, belongs to the technical field of polymer sheet production, and solves the problems that when a part of polymer sheet stretching mechanisms are used at present, a worker is inconvenient to quickly adjust the position of a stretching roller, and the whole process of polymer sheet processing operation is easily influenced. This polymer sheet extrudes and uses stretching mechanism, including bottom plate and stretching roller, the surface of bottom plate both sides all is fixed with the vertical board, and the internal surface of vertical board is provided with the guide roll, and the below of vertical board surface is fixed with the backup pad, and the top of vertical board is fixed with the roof, and the quantity of backup pad and roof is two. The utility model can adjust the heights of the two stretching rollers simultaneously, thereby saving working steps when the height of the stretching rollers is adjusted by staff, being convenient to operate.
Description
Technical Field
The utility model relates to the technical field of polymer sheet production, in particular to a stretching mechanism for extruding a polymer sheet.
Background
The polymer material is also called as polymer material, and is a material formed by taking a polymer compound as a matrix and adding other additives, the polymer material is firstly synthesized before processing, monomers are synthesized into a polymer to be granulated, then the polymer is subjected to melt processing, the melted polymer material is extruded and molded to prepare a polymer sheet, and the polymer sheet is further required to be subjected to processes of stretching, trimming and the like, wherein the stretching is to elongate and thin the extruded and molded thicker polymer sheet.
At present, when partial polymer sheet stretching mechanisms are used, stretching rollers are always fixed and are arranged in pairs, when a worker uses the stretching mechanisms to stretch polymer sheets with different temperatures or different purposes, the positions of the stretching rollers are difficult to adjust, the worker needs to pause the stretching operation of the polymer sheets and detach the stretching rollers, and then the stretching rollers are arranged at proper positions to restart the stretching operation of the polymer sheets.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a stretching mechanism for extruding a polymer sheet so as to solve the problems in the prior art.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a high polymer sheet extrudes and uses stretching mechanism, includes bottom plate and stretching roller, the surface of bottom plate both sides all is fixed with the vertical board, the internal surface of vertical board is provided with the guide roll, the below of vertical board surface is fixed with the backup pad, the top of vertical board is fixed with the roof, the quantity of backup pad and roof is two, and the mount is installed at the top of one side roof, the top of mount is fixed with actuating mechanism, actuating mechanism's surface thread bush is equipped with the lifter plate, the quantity of lifter plate is two, the internal surface rotation of lifter plate runs through there is positioning mechanism, positioning mechanism's quantity is four, and the surface of two positioning mechanism overlaps respectively establishes and is fixed with the action wheel and follows the driving wheel, the action wheel meshes with following the driving wheel, stretching roller's both ends all are fixed with coupling mechanism, and the surface of one side lifter plate is fixed with first motor, the output shaft of first motor is fixed with one positioning mechanism's one end.
The working principle of the utility model is as follows: when the tension of the high polymer sheet during stretching needs to be adjusted, the second motor can be started, the first threaded column and the second threaded column can simultaneously rotate to drive the two lifting plates to simultaneously lift, the position of the stretching roller can be adjusted accordingly, when the stretching roller needs to be replaced, a worker screws the positioning bolt and dismantles the positioning bolt, at the moment, the positioning bolt is used for releasing the clamping plate, and the worker can take out the stretching roller and replace the stretching roller by lifting or pressing the stretching roller.
The driving mechanism comprises a second motor, a first threaded column, a second threaded column and belt pulleys, wherein the second motor is fixed at the top of the fixing frame, the bottoms of the first threaded column and the second threaded column are respectively and rotationally connected with the tops of the two supporting plates, the top of the first threaded column is rotationally penetrated through a side top plate and the fixing frame and is fixed with an output shaft of the second motor, the top of the second threaded column is rotationally penetrated through the top of the other side top plate, the number of the belt pulleys is two, the two belt pulleys are respectively sleeved and fixed above the surfaces of the first threaded column and the second threaded column, the first threaded column and the second threaded column are respectively and rotationally penetrated through two lifting plates, and the two belt pulleys are connected through belt transmission.
With the structure, the heights of the two stretching rollers can be quickly and simultaneously adjusted.
One side at backup pad top is fixed with the guide bar, the top of guide bar is fixed with the bottom of roof, the guide bar slides and runs through the lifter plate.
By adopting the structure, the stability of the lifting plate during lifting can be increased.
The surface of two vertical boards has all seted up logical groove, the width of logical inslot wall is less than the width of lifter plate, and is greater than the action wheel and follows the distance between the driving wheel both sides surface.
By adopting the structure, the lifting of the stretching roller can be conveniently used, and the driving wheel and the driven wheel can be ensured to be normally used.
The connecting mechanism comprises a connecting shaft and a clamping plate, wherein the connecting shaft is fixed at one end of the stretching roller, the clamping plate is fixed at one end of the connecting shaft, and the surface of the clamping plate is in sliding connection with the inner wall of the positioning mechanism.
By adopting the structure, the stretching roller can be conveniently and quickly disassembled and assembled by a worker.
The positioning mechanism comprises a rotating shaft, a clamping groove and a positioning bolt, one end of the rotating shaft rotates to penetrate through the lifting plate, the clamping groove is formed in the other end of the rotating shaft, and the positioning bolt penetrates through the rotating shaft in a threaded mode.
By adopting the structure, the stretching roller can be conveniently installed by a worker and matched with the first motor for use.
Rectangular grooves are formed in the surface of the fixing frame, and the width of the inner wall of each rectangular groove is larger than the diameter of the belt pulley.
The structure is adopted so that the two belt pulleys and the belt can be matched for use.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the cooperation of the driving mechanism and the lifting plate, a worker can adjust the height of the lifting plate by starting the second motor, so that the heights of the two stretching rollers can be adjusted simultaneously, the working steps of the worker for adjusting the heights of the stretching rollers can be saved, the operation is convenient, in addition, the mechanism can be convenient for the worker to replace the stretching rollers quickly through the cooperation of the connecting mechanism and the positioning mechanism, and the problems that when a part of polymer sheet stretching mechanisms are used at present, the worker is inconvenient to adjust the positions of the stretching rollers quickly according to actual conditions, the operation for adjusting the stretching rollers is complicated, and the whole process of polymer sheet processing operation is easy to be influenced are solved.
2. According to the utility model, through the arrangement of the through groove, the stretching roller can freely lift along with the movement of the lifting plate, and the surfaces of the two sides of the driving wheel and the driven wheel are not contacted with the inner wall of the through groove in the lifting process of the stretching roller, so that the practicability of the mechanism is improved.
3. The belt can conveniently pass through the rectangular groove, so that when the first threaded column rotates, the belt pulley and the belt are matched to drive the second threaded column to rotate, and the practicability of the mechanism is improved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a partial perspective structure of the present utility model;
FIG. 3 is a schematic view of a partial perspective structure of the present utility model;
FIG. 4 is a schematic view of a partial perspective structure of the present utility model;
fig. 5 is a schematic view of a partial perspective structure of the present utility model.
In the figure: 1. a bottom plate; 2. a vertical plate; 3. a guide roller; 4. a support plate; 5. a top plate; 6. a fixing frame; 7. a driving mechanism; 71. a second motor; 72. a first threaded post; 73. a second threaded post; 74. a belt pulley; 8. a lifting plate; 9. a guide rod; 10. a positioning mechanism; 101. a rotating shaft; 102. a clamping groove; 103. positioning bolts; 11. a stretching roller; 12. a connecting mechanism; 121. a connecting shaft; 122. a clamping plate; 13. a first motor; 14. a through groove; 15. a driving wheel; 16. and (3) a driven wheel.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the stretching mechanism for extruding polymer sheet comprises a bottom plate 1 and stretching rollers 11, wherein vertical plates 2 are fixed on the surfaces of two sides of the bottom plate 1, guide rollers 3 are arranged on the inner surfaces of the vertical plates 2, supporting plates 4 are fixed below the outer surfaces of the vertical plates 2, top plates 5 are fixed on the tops of the vertical plates 2, the number of the supporting plates 4 and the number of the top plates 5 are two, a fixing frame 6 is mounted on the top of one side of the top plates 5, a driving mechanism 7 is fixed on the top of the fixing frame 6, lifting plates 8 are sleeved on the surfaces of the driving mechanism 7 in a threaded manner, the number of the lifting plates 8 is two, positioning mechanisms 10 are rotatably penetrated through the inner surfaces of the lifting plates 8, the number of the positioning mechanisms 10 is four, driving wheels 15 and driven wheels 16 are sleeved and fixed on the surfaces of the two positioning mechanisms 10 respectively, the driving wheels 15 are meshed with the driven wheels 16, connecting mechanisms 12 are fixed on two ends of the stretching rollers 11, the utility model uses the driving mechanism 7 and one end of a positioning mechanism 10 to match, the worker can adjust the height of the lifting plate 8 by starting the second motor 71, thereby the heights of the two stretching rollers 11 can be adjusted at the same time, the working steps of the worker for adjusting the heights of the stretching rollers 11 can be saved, the operation is convenient, in addition, the mechanism can facilitate the worker to replace the stretching rollers 11 through the matching of the connecting mechanism 12 and the positioning mechanism 10, the problem that the worker is inconvenient to adjust the positions of the stretching rollers according to the actual situation when the current part of polymer sheet stretching mechanism is used, and the operation for adjusting the stretching rollers is complicated, the whole process of the polymer sheet processing job is easy to be influenced.
The guide roller 3 is a well-known technology, and will not be described in detail here.
The driving mechanism 7 comprises a second motor 71, a first threaded column 72, a second threaded column 73 and belt pulleys 74, wherein the second motor 71 is fixed at the top of the fixed frame 6, the bottoms of the first threaded column 72 and the second threaded column 73 are respectively and rotatably connected with the tops of the two supporting plates 4, the top of the first threaded column 72 rotatably penetrates through the top plate 5 and the fixed frame 6 on one side and is fixed with an output shaft of the second motor 71, the top of the second threaded column 73 rotatably penetrates through the top of the top plate 5 on the other side, the number of the belt pulleys 74 is two, the two belt pulleys 74 are respectively sleeved and fixed above the surfaces of the first threaded column 72 and the second threaded column 73, the first threaded column 72 and the second threaded column 73 are respectively and rotatably connected with the two lifting plates 8 through a belt transmission, one side of the top of the supporting plates 4 is fixedly provided with guide rods 9, the tops of the guide rods 9 are fixedly connected with the bottoms of the top plates 5 through belt transmission, in this embodiment, when the heights of the stretching rollers 11 are required to be adjusted, workers can start the second motor 71, the first threaded column 72 can rotate along with the first threaded column 72 and the second threaded column 73 can be lifted and lowered along with the second threaded column 73, and lifted and lowered along with the second threaded column 8 can be simultaneously adjusted along with the lifting and lifted and lowered along with the first threaded column 8.
Through grooves 14 are formed in the surfaces of the two vertical plates 2, the width of the inner walls of the through grooves 14 is smaller than that of the lifting plate 8, and the width of the inner walls of the through grooves is larger than the distance between the two side surfaces of the driving wheel 15 and the driven wheel 16, in the embodiment, through the arrangement of the through grooves 14, the stretching roller 11 can freely lift along with the movement of the lifting plate 8, and in the lifting process of the stretching roller 11, the surfaces of the two sides of the driving wheel 15 and the driven wheel 16 are not contacted with the inner walls of the through grooves 14, so that the practicability of the mechanism is improved.
The coupling mechanism 12 includes connecting axle 121 and cardboard 122, connecting axle 121 is fixed in the one end of stretching roller 11, the cardboard 122 is fixed in the one end of connecting axle 121, the surface of cardboard 122 and the inner wall sliding connection of draw-in groove 102, positioning mechanism 10 includes pivot 101, draw-in groove 102 and positioning bolt 103, the one end rotation of pivot 101 runs through lifter plate 8, the draw-in groove 102 is seted up in the other end of pivot 101, positioning bolt 103 screw thread runs through cardboard 122, in this embodiment, when needs change stretching roller 11, the staff twists positioning bolt 103 and pulls out and can release positioning bolt 103 and to the fixed of cardboard 122, then the staff can rotate stretching roller 11 by hand, the output shaft of first motor 13 can not influence the rotation of pivot 101 in this process, this is the current mature technique, this is not repeated here, when the staff rotates the orientation of draw-in groove 102 into vertical state, the staff alright dismantle stretching roller 11.
The rectangular groove is formed in the surface of the fixing frame 6 facing one side of the second threaded column 73, the width of the inner wall of the rectangular groove is larger than the diameter of the belt pulley 74, in the embodiment, the belt can conveniently pass through the rectangular groove, so that the first threaded column 72 can drive the second threaded column 73 to rotate through the cooperation of the belt pulley 74 and the belt when rotating, and the practicability of the mechanism is improved.
The working principle of the utility model is as follows: when stretching an extrusion-molded polymer sheet, a worker passes the polymer sheet above the surface of the guide roller 3, passes through the lower part of the upper stretching roller 11, passes through the upper part of the lower stretching roller 11, and then starts the first motor 13, the first motor 13 drives the driving wheel 15 to rotate through the rotating shaft 101 connected with the first motor 13, the driven wheel 16 drives the rotating shaft 101 connected with the driven wheel to rotate along with the first motor, the two stretching rollers 11 can rotate and convey the polymer sheet, in the process, the guide roller 3 and the two stretching rollers 11 can be matched for stretching the polymer sheet, when tension of the polymer sheet during stretching is required to be adjusted, the second motor 71 can be started, the first threaded column 72 and the second threaded column 73 can drive the two lifting plates 8 to lift simultaneously, accordingly, the position of the stretching roller 11 can be adjusted, the tension of the polymer sheet during stretching can be adjusted, when the stretching roller 11 is required to be replaced, the worker manually rotates the stretching roller 11, the clamping groove 103 is adjusted to be oriented to the vertical direction of the stretching roller 103, or the clamping plate is removed by the worker, and the clamping plate is removed from the stretching roller by positioning plate 122.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (7)
1. The utility model provides a polymer sheet extrudes and uses stretching mechanism, includes bottom plate (1) and stretching roller (11), its characterized in that: the utility model discloses a motor, including bottom plate (1), fixed frame (6), elevating system (8) are fixed with surface, vertical board (1) both sides's surface all is fixed with vertical board (2), the internal surface of vertical board (2) is provided with guide roll (3), the below of vertical board (2) surface is fixed with backup pad (4), the top of vertical board (2) is fixed with roof (5), the quantity of backup pad (4) and roof (5) is two, mount (6) are installed at the top of one side roof (5), the top of mount (6) is fixed with actuating mechanism (7), the surface screw cover of actuating mechanism (7) is equipped with elevating system (8), the quantity of elevating system (8) is two, the internal surface rotation of elevating system (8) runs through have positioning mechanism (10), the quantity of positioning mechanism (10) is four, and the surface of two positioning mechanism (10) is overlapped respectively and is fixed with action wheel (15) and driven wheel (16), the both ends of stretching roll (11) are all fixed with elevating system (12), one side motor (8) is fixed with first output shaft (13).
2. The stretching mechanism for polymer sheet extrusion as claimed in claim 1, wherein: the driving mechanism (7) comprises a second motor (71), a first threaded column (72), a second threaded column (73) and belt pulleys (74), wherein the second motor (71) is fixed at the top of the fixing frame (6), the bottoms of the first threaded column (72) and the second threaded column (73) are respectively connected with the tops of the two supporting plates (4) in a rotating mode, the tops of the first threaded column (72) are respectively connected with the fixing frame (6) in a rotating mode and are fixed with an output shaft of the second motor (71), the tops of the second threaded column (73) are respectively connected with the tops of the other side top plate (5) in a rotating mode, the number of the belt pulleys (74) is two, the two belt pulleys (74) are respectively sleeved and fixed above the surfaces of the first threaded column (72) and the second threaded column (73), the first threaded column (72) and the second threaded column (73) are respectively connected with the two lifting plates (8) in a threaded mode, and the two belt pulleys (74) are connected through belt transmission.
3. The stretching mechanism for polymer sheet extrusion as claimed in claim 1, wherein: one side at backup pad (4) top is fixed with guide bar (9), the top of guide bar (9) is fixed with the bottom of roof (5), guide bar (9) slip runs through lifter plate (8).
4. The stretching mechanism for polymer sheet extrusion as claimed in claim 1, wherein: the surfaces of the two vertical plates (2) are provided with through grooves (14), and the width of the inner walls of the through grooves (14) is smaller than the width of the lifting plate (8) and larger than the distance between the surfaces of the two sides of the driving wheel (15) and the surfaces of the two sides of the driven wheel (16).
5. The stretching mechanism for polymer sheet extrusion as claimed in claim 1, wherein: the connecting mechanism (12) comprises a connecting shaft (121) and a clamping plate (122), the connecting shaft (121) is fixed at one end of the stretching roller (11), the clamping plate (122) is fixed at one end of the connecting shaft (121), and the surface of the clamping plate (122) is in sliding connection with the inner wall of the positioning mechanism (10).
6. The stretching mechanism for polymer sheet extrusion as claimed in claim 1, wherein: the positioning mechanism (10) comprises a rotating shaft (101), a clamping groove (102) and a positioning bolt (103), one end of the rotating shaft (101) rotates to penetrate through the lifting plate (8), the clamping groove (102) is formed in the other end of the rotating shaft (101), and the positioning bolt (103) penetrates through the rotating shaft (101) in a threaded mode.
7. The stretching mechanism for polymer sheet extrusion as claimed in claim 2, wherein: rectangular grooves are formed in the surface of the fixing frame (6), and the width of the inner wall of each rectangular groove is larger than the diameter of the belt pulley (74).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321316416.5U CN219727176U (en) | 2023-05-24 | 2023-05-24 | Stretching mechanism for polymer sheet extrusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321316416.5U CN219727176U (en) | 2023-05-24 | 2023-05-24 | Stretching mechanism for polymer sheet extrusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219727176U true CN219727176U (en) | 2023-09-22 |
Family
ID=88061549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321316416.5U Active CN219727176U (en) | 2023-05-24 | 2023-05-24 | Stretching mechanism for polymer sheet extrusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219727176U (en) |
-
2023
- 2023-05-24 CN CN202321316416.5U patent/CN219727176U/en active Active
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