CN111455715A - Tensioning device for papermaking machine wire part - Google Patents
Tensioning device for papermaking machine wire part Download PDFInfo
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- CN111455715A CN111455715A CN202010324877.1A CN202010324877A CN111455715A CN 111455715 A CN111455715 A CN 111455715A CN 202010324877 A CN202010324877 A CN 202010324877A CN 111455715 A CN111455715 A CN 111455715A
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- tensioning
- lifting
- adjusting
- seat
- pair
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F7/00—Other details of machines for making continuous webs of paper
- D21F7/005—Wire-tensioning devices
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Abstract
The invention discloses a tensioning device for a papermaking machine wire part, wherein a tensioning unit comprises a base and a photoelectric sensor; a lifting support seat is arranged above the base in a lifting way; a tensioning support seat is arranged above the lifting support seat in a lifting manner; the tensioning supporting seat is positioned in the dry net unit; a lifting avoidance groove is formed on the upper end surface of the tensioning support seat; a plurality of vertical guide rods are formed on the bottom surface of the lifting avoidance groove; a tensioning adjusting seat is elastically sleeved on the vertical guide rod; the bottom of the tensioning adjusting seat penetrates through the bottom surface of the lifting avoidance groove and is pivoted with a tensioning roller; the tensioning roller abuts against the lower part of the dry net; a pair of detection supporting plates are formed on the upper end surface of the tensioning supporting seat; the photoelectric sensor comprises a transmitter and a receiver; the emitter is fixed at the upper end of the detection supporting plate at the left side; the receiver is fixed at the upper end of the detection supporting plate on the right side; the emitter and the receiver are right-left opposite.
Description
Technical Field
The invention relates to the field of papermaking machinery, in particular to a tensioning device for a wire part of papermaking machinery.
Background
The net part tensioner is a common component of the net part of a papermaking machine, and mainly has the function of tensioning a dry net to provide the pretension of the dry net, so that a roller without a drive runs under the tension of the dry net, and the dry net is expanded and flattened to prevent paper from being folded. With the development of science and technology, pulping and papermaking are also continuously developed and continuously advanced, wherein the wire part tensioning device of the papermaking machine is also widely used, but the wire part tensioning device of the papermaking machine on the market still needs manual operation, so that the effect is not good, labor and time are wasted, and meanwhile, the tensioning device is inconvenient to move, has a complex structure and is expensive and inconvenient to use.
Disclosure of Invention
The invention aims to solve the technical problem that the body paper dust generated in the rewinding process can cause health hidden trouble, and provides a tensioning device for a net part of a papermaking machine.
The technical scheme for solving the technical problems is as follows: a tensioning device for a wire section of a papermaking machine comprises a drying wire unit and a tensioning unit; the drying net unit comprises a pair of supporting bottom plates which are arranged in a bilateral symmetry mode; a pair of front and rear supporting plates which are symmetrically arranged in front and rear are formed on the upper end surface of the supporting bottom plate; a supporting roller is pivoted between the upper ends of the front and rear supporting plates; a dry net is arranged between the pair of supporting rollers; the tensioning unit comprises a base and a photoelectric sensor; a lifting support seat is arranged above the base in a lifting way; a tensioning support seat is arranged above the lifting support seat in a lifting manner; the tensioning support seat is positioned between the upper part and the lower part of the drying net unit; a lifting avoidance groove is formed on the upper end surface of the tensioning support seat; a plurality of vertical guide rods are formed on the bottom surface of the lifting avoidance groove; a tensioning adjusting seat is elastically sleeved on the vertical guide rod; a lower avoidance through hole for the tensioning adjusting seat to vertically penetrate is formed in the center of the bottom surface of the lifting avoidance groove; the bottom of the tensioning adjusting seat penetrates through the lower avoidance through hole and is pivoted with a tensioning roller; the tensioning roller abuts against the lower part of the dry net; a pair of detection supporting plates are formed on the upper end surface of the tensioning supporting seat; the photoelectric sensor comprises a transmitter and a receiver; the emitter is fixed at the upper end of the detection supporting plate at the left side; the receiver is fixed at the upper end of the detection supporting plate on the right side; the emitter and the receiver are opposite left and right; the tensioning support seat is provided with a controller; the controller is connected with the photoelectric sensor; the controller controls the tensioning supporting seat to lift.
Preferably, the bottom surface of the base is provided with a plurality of universal wheels with brakes.
Preferably, the base is fixed with a plurality of lower lifting cylinders; the lifting support seat is fixed at the upper end of the piston rod of the lower lifting cylinder.
Preferably, a plurality of upper lifting cylinders which are uniformly distributed are fixed on the upper end surface of the lifting support seat; the tensioning supporting seat is fixed at the upper end of a piston rod of the upper lifting cylinder.
Preferably, the lifting avoidance groove is in an inverted T shape; a lifting threaded rod is pivoted between the left end and the right end of the upper side wall and the lower side wall of the lower part of the lifting avoidance groove; a pair of adjusting motors is fixed on the bottom surface of the lifting avoidance groove; the lower end of the lifting threaded rod is fixedly connected with an output shaft of the adjusting motor; the lower part of the lifting avoidance groove is provided with an adjusting support plate in a lifting way; the adjusting support plate is vertically sleeved on the vertical guide rod; the adjusting support plate is in threaded connection with the pair of lifting threaded rods; the upper part of the vertical guide rod is sleeved with a tension spring; the upper end of the tension spring is fixed on the upper part of the tensioning adjusting seat, and the lower end of the tension spring is fixed on the upper end surface of the adjusting supporting plate; an upper avoidance through hole for the lower part of the tensioning adjusting seat to vertically pass through is formed in the center of the adjusting supporting plate.
Preferably, the tension adjusting seat comprises an upper T-shaped adjusting seat at the upper part and a lower T-shaped adjusting seat at the lower part; the upper adjusting seat is vertically sleeved on the pair of vertical guide rods; the upper end of the tension spring is fixed on the upper adjusting seat; a pair of vertical through rods are formed at the upper end of the lower adjusting seat; a pair of vertical insertion holes for vertical insertion of the vertical through rods are formed in the upper adjusting seat; an adjusting hole is formed in the center of the upper end face of the upper adjusting seat; an adjusting bolt is vertically inserted into the adjusting hole; the adjusting bolt penetrates through and is in threaded connection with the bottom surface of the adjusting hole; the lower end of the adjusting bolt is in threaded connection with the upper end face of the lower adjusting seat; the tensioning roller is pivoted at the lower end of the lower adjusting seat.
Preferably, a pair of upper limit bit groups which are arranged in bilateral symmetry are fixed on the upper end surface of the lifting support seat; the upper limit bit group comprises a pair of upper vertical rods which are symmetrically arranged front and back; the upper limiting plates are fixed at the upper ends of the upper vertical rods; the pair of upper limiting plates are positioned at the upper side of the tensioning supporting seat; an upper limiting roller is fixed on the upper end surface of the upper limiting plate; the upper limiting roller is positioned at the lower side of the upper part of the dry net, and the upper horizontal tangent plane of the upper limiting roller is coplanar with the upper horizontal tangent plane of the supporting roller.
The invention has the beneficial effects that: the structure is simple, and the drying net is automatically tensioned, so that the drying net is always in a proper tensioning state.
Drawings
FIG. 1 is a schematic structural view of a cross section of the present invention;
fig. 2 is a schematic structural view of a cross section of the tension adjusting seat 29 of the present invention.
In the figure, 10, a backbone network unit; 11. a support base plate; 12. front and rear support plates; 13. a support roller; 14. a dry network; 20. a tension unit; 21. a base; 22. a lower lifting cylinder; 23. lifting the supporting seat; 231. an upper vertical rod; 232. an upper limiting plate; 233. an upper limit roller; 24. an upper lifting cylinder; 25. tensioning the support seat; 250. a lifting avoidance groove; 2500. lower avoidance perforation; 251. a vertical guide bar; 252. detecting the supporting plate; 253. a tension spring; 26. adjusting the motor; 261. lifting a threaded rod; 27. adjusting the support plate; 270. upper avoidance perforation; 28. a transmitter; 281. a receiver; 29. tensioning and adjusting seats; 291. an upper adjusting seat; 2910. a vertical jack; 2911. an adjustment hole; 292. a lower adjustment seat; 2921. vertically penetrating a rod; 293. adjusting the bolt; 294. a tension roller; 30. and a controller.
Detailed Description
As shown in fig. 1 and 2, a tension device for a wire section of a paper machine includes a wire drying unit 10 and a tension unit 20; the backbone network unit 10 includes a pair of support bottom plates 11 arranged in bilateral symmetry; a pair of front and rear support plates 12 which are symmetrically arranged in front and rear are formed on the upper end surface of the support bottom plate 11; a supporting roller 13 is pivoted between the upper ends of the pair of front and rear supporting plates 12; a dry net 14 is arranged between the pair of supporting rollers 13; the tension unit 20 includes a base 21 and a photosensor; a lifting support seat 23 is arranged above the base 21 in a lifting way; a tensioning support seat 25 is arranged above the lifting support seat 23 in a lifting manner; the tension support seat 25 is positioned between the upper part and the lower part of the drying net unit; a lifting avoidance groove 250 is formed on the upper end surface of the tensioning support seat 25; a plurality of vertical guide rods 251 are formed on the bottom surface of the lifting avoidance groove 250; a tensioning adjusting seat 29 is elastically sleeved on the vertical guide rod 251; a lower avoidance perforation 2500 through which the tensioning adjusting seat 29 vertically passes is formed in the center of the bottom surface of the lifting avoidance groove 250; the bottom of the tensioning adjusting seat 29 passes through the lower avoidance perforation 2500 and is pivoted with a tensioning roller 294; the tensioning roller 294 abuts against the lower portion of the drying wire 14; a pair of detection supporting plates 252 are formed on the upper end surface of the tension supporting seat 25; the photoelectric sensor includes a transmitter 28 and a receiver 281; the emitter 28 is fixed to the upper end of the left detection support plate 252; the receiver 281 is fixed at the upper end of the right detection support plate 252; transmitter 28 and receiver 281 face left and right; the tensioning support seat 25 is provided with a controller 30; the controller 30 is connected with the photoelectric sensor; the controller 30 controls the tension supporter 25 to ascend and descend.
As shown in fig. 1, a plurality of universal wheels 211 with brakes are arranged on the bottom surface of the base 21.
As shown in fig. 1, a plurality of lower lifting cylinders 22 are fixed on a base 21; the lifting support base 23 is fixed on the upper end of the piston rod of the lower lifting cylinder 22.
As shown in fig. 1, a plurality of upper lifting cylinders 24 are fixed on the upper end surface of the lifting support base 23 and are uniformly distributed; the tension support base 25 is fixed to the upper end of the piston rod of the upper lift cylinder 24.
As shown in fig. 1 and 2, the lifting avoiding groove 250 is in an inverted T shape; a lifting threaded rod 261 is pivoted between the left end and the right end of the upper and lower side walls of the lower part of the lifting avoidance groove 250; a pair of adjusting motors 26 are fixed on the bottom surface of the lifting avoidance groove 250; the lower end of the lifting threaded rod 261 is fixedly connected with an output shaft of the adjusting motor 26; the lower part of the lifting avoidance groove 250 is provided with an adjusting support plate 27 in a lifting way; the adjusting support plate 27 is vertically sleeved on the vertical guide rod 251; the adjusting support plate 27 is screwed on the pair of lifting threaded rods 261; the upper part of the vertical guide rod 251 is sleeved with a tension spring 253; the upper end of the tension spring 253 is fixed at the upper part of the tension adjusting seat 29, and the lower end is fixed at the upper end surface of the adjusting supporting plate 27; the adjusting support plate 27 is centrally formed with an upper escape through-hole 270 through which the lower portion of the tension adjusting seat 29 vertically passes.
As shown in fig. 1 and 2, the tension adjusting seat 29 includes an upper T-shaped upper adjusting seat 291 at an upper portion and a lower T-shaped lower adjusting seat 292 at a lower portion; the upper adjusting seat 291 is vertically sleeved on the pair of vertical guide rods 251; the upper end of the tension spring 253 is fixed on the upper adjusting seat 291; a pair of vertical through rods 2921 are formed at the upper end of the lower adjusting seat 292; a pair of vertical insertion holes 2910 for the vertical penetration rods 2921 to be vertically inserted are formed in the upper adjusting seat 291; an adjusting hole 2911 is formed in the center of the upper end face of the upper adjusting seat 291; an adjusting bolt 293 is vertically inserted into the adjusting hole 2911; an adjusting bolt 293 passes through and is screwed to the bottom surface of the adjusting hole 2911; the lower end of the adjusting bolt 293 is screwed on the upper end surface of the lower adjusting seat 292; the tensioning roller 294 is pivotally connected to the lower end of the lower adjustment seat 292.
As shown in fig. 1, a pair of upper limit bit groups symmetrically arranged left and right is fixed on the upper end surface of the lifting support seat 23; the upper limit bit group includes a pair of upper vertical bars 231 arranged symmetrically back and forth; an upper limiting plate 232 is fixed at the upper ends of the pair of upper vertical rods 231; a pair of upper limiting plates 232 are positioned on the upper side of the tension supporter 25; an upper limiting roller 233 is fixed on the upper end surface of the upper limiting plate 232; the upper limit roller 233 is positioned at the upper lower side of the dry net 14 and the upper horizontal section of the upper limit roller 233 is coplanar with the upper horizontal section of the support roller 13.
The working principle of the tensioning device for the wire section of a paper machine is as follows:
initial state: the upper part of the tension adjustment seat 29 is located between the transmitter 28 and the receiver 281, and the tension roller 294 abuts against the lower part of the drying wire 14; when the dry wire 14 is fed, the tension adjusting seat 29 descends, the receiver 281 receives the signal sent by the transmitter 28, the tension supporting seat 25 descends, the tension adjusting seat 29 ascends relative to the tension supporting seat 25, so that the upper part of the tension adjusting seat 29 is positioned between the transmitter 28 and the receiver 281, the dry wire 14 is always in a proper tension state,
when a different tension is required, the adjustment support plate 27 is raised and lowered and the upper portion of the tension adjustment seat 29 is positioned between the transmitter 28 and the receiver 281, so that the tension spring 253 is in a different telescopic state.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description herein, since various changes and modifications can be made in the details of the embodiment and the application range according to the spirit of the present invention.
Claims (7)
1. A tensioning device for a wire section of a papermaking machine, characterized by: comprises a drying net unit (10) and a tensioning unit (20); the drying net unit (10) comprises a pair of supporting bottom plates (11) which are arranged in a bilateral symmetry mode; a pair of front and rear support plates (12) which are symmetrically arranged in front and rear are formed on the upper end surface of the support bottom plate (11); a supporting roller (13) is pivoted between the upper ends of the pair of front and rear supporting plates (12); a dry net (14) is arranged between the pair of supporting rollers (13); the tensioning unit (20) comprises a base (21) and a photoelectric sensor; a lifting support seat (23) is arranged above the base (21) in a lifting way; a tensioning support seat (25) is arranged above the lifting support seat (23) in a lifting way; the tensioning support seat (25) is positioned between the upper part and the lower part of the drying net unit; a lifting avoidance groove (250) is formed on the upper end surface of the tensioning support seat (25); a plurality of vertical guide rods (251) are formed on the bottom surface of the lifting avoidance groove (250); a tensioning adjusting seat (29) is elastically sleeved on the vertical guide rod (251); a lower avoidance perforation (2500) for the tensioning adjusting seat (29) to vertically penetrate is formed in the center of the bottom surface of the lifting avoidance groove (250); the bottom of the tensioning adjusting seat (29) penetrates through the lower avoidance through hole (2500) and is pivoted with a tensioning roller (294); a tensioning roller (294) abutting against the lower part of the drying wire (14); a pair of detection supporting plates (252) are formed on the upper end surface of the tensioning supporting seat (25); the photoelectric sensor comprises a transmitter (28) and a receiver (281); the emitter (28) is fixed at the upper end of the detection supporting plate (252) at the left side; the receiver (281) is fixed at the upper end of the detection supporting plate (252) at the right side; the emitter (28) and the receiver (281) are opposite left and right; a controller (30) is arranged on the tensioning support seat (25); the controller (30) is connected with the photoelectric sensor; the controller (30) controls the tensioning support seat (25) to lift.
2. A tensioning device for a wire section of a paper machine according to claim 1, characterized in that: the bottom surface of the base (21) is provided with a plurality of universal wheels (211) with brakes.
3. A tensioning device for a wire section of a paper machine according to claim 1, characterized in that: a plurality of lower lifting cylinders (22) are fixed on the base (21); the lifting support seat (23) is fixed at the upper end of the piston rod of the lower lifting cylinder (22).
4. A tensioning device for a wire section of a paper machine according to claim 1, characterized in that: a plurality of upper lifting cylinders (24) which are uniformly distributed are fixed on the upper end surface of the lifting support seat (23); the tensioning support seat (25) is fixed at the upper end of a piston rod of the upper lifting cylinder (24).
5. A tensioning device for a wire section of a paper machine according to claim 1, characterized in that: the lifting avoidance groove (250) is in an inverted T shape; a lifting threaded rod (261) is pivoted between the left end and the right end of the upper side wall and the lower side wall of the lower part of the lifting avoidance groove (250); a pair of adjusting motors (26) is fixed on the bottom surface of the lifting avoidance groove (250); the lower end of the lifting threaded rod (261) is fixedly connected with an output shaft of the adjusting motor (26); the lower part of the lifting avoidance groove (250) is provided with an adjusting support plate (27) in a lifting way; the adjusting support plate (27) is vertically sleeved on the vertical guide rod (251); the adjusting support plate (27) is screwed on the pair of lifting threaded rods (261); the upper part of the vertical guide rod (251) is sleeved with a tension spring (253); the upper end of the tension spring (253) is fixed at the upper part of the tensioning adjusting seat (29), and the lower end is fixed on the upper end surface of the adjusting supporting plate (27); an upper avoidance perforation hole (270) for the lower part of the tensioning adjusting seat (29) to vertically penetrate is formed in the center of the adjusting supporting plate (27).
6. A tensioning device for a wire section of a paper machine according to claim 1 or 5, characterized in that: the tensioning adjusting seat (29) comprises an upper T-shaped adjusting seat (291) at the upper part and a lower adjusting seat (292) at the lower part; the upper adjusting seat (291) is vertically sleeved on the pair of vertical guide rods (251); the upper end of the tension spring (253) is fixed on the upper adjusting seat (291); a pair of vertical through rods (2921) are formed at the upper end of the lower adjusting seat (292); a pair of vertical insertion holes (2910) for the vertical penetration rods (2921) to be vertically inserted are formed in the upper adjusting seat (291); an adjusting hole (2911) is formed in the center of the upper end face of the upper adjusting seat (291); an adjusting bolt (293) is vertically inserted into the adjusting hole (2911); the adjusting bolt (293) penetrates through and is screwed on the bottom surface of the adjusting hole (2911); the lower end of the adjusting bolt (293) is in threaded connection with the upper end face of the lower adjusting seat (292); the tension roller (294) is pivoted at the lower end of the lower adjusting seat (292).
7. A tensioning device for a wire section of a paper machine according to claim 1, characterized in that: a pair of upper limit bit groups which are arranged in bilateral symmetry are fixed on the upper end surface of the lifting support seat (23); the upper limit bit group comprises a pair of upper vertical rods (231) which are symmetrically arranged front and back; the upper ends of the pair of upper vertical rods (231) are fixed with upper limiting plates (232); a pair of upper limiting plates (232) are positioned on the upper side of the tensioning support seat (25); an upper limiting roller (233) is fixed on the upper end surface of the upper limiting plate (232); the upper limiting roller (233) is positioned at the upper lower side of the dry net (14) and the upper horizontal tangent plane of the upper limiting roller (233) is coplanar with the upper horizontal tangent plane of the supporting roller (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010324877.1A CN111455715A (en) | 2020-04-23 | 2020-04-23 | Tensioning device for papermaking machine wire part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010324877.1A CN111455715A (en) | 2020-04-23 | 2020-04-23 | Tensioning device for papermaking machine wire part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111455715A true CN111455715A (en) | 2020-07-28 |
Family
ID=71677181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010324877.1A Withdrawn CN111455715A (en) | 2020-04-23 | 2020-04-23 | Tensioning device for papermaking machine wire part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111455715A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275771A (en) * | 2021-12-06 | 2022-04-05 | 喆烯新材(北京)科技有限公司 | Scanning device for laser-induced graphene |
-
2020
- 2020-04-23 CN CN202010324877.1A patent/CN111455715A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275771A (en) * | 2021-12-06 | 2022-04-05 | 喆烯新材(北京)科技有限公司 | Scanning device for laser-induced graphene |
| CN114275771B (en) * | 2021-12-06 | 2023-06-16 | 喆烯新材(北京)科技有限公司 | Scanning device for laser-induced graphene |
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| PB01 | Publication | ||
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Application publication date: 20200728 |