CN112777372B - Constant-tension dancing roller control device - Google Patents
Constant-tension dancing roller control device Download PDFInfo
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- CN112777372B CN112777372B CN202110099910.XA CN202110099910A CN112777372B CN 112777372 B CN112777372 B CN 112777372B CN 202110099910 A CN202110099910 A CN 202110099910A CN 112777372 B CN112777372 B CN 112777372B
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- rotating shaft
- balance arm
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- 239000000463 material Substances 0.000 claims abstract description 28
- 238000005452 bending Methods 0.000 claims description 26
- 230000007246 mechanism Effects 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims 1
- 239000003562 lightweight material Substances 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 239000012528 membrane Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 3
- 239000004753 textile Substances 0.000 abstract description 3
- 239000004745 nonwoven fabric Substances 0.000 abstract description 2
- 239000004744 fabric Substances 0.000 description 9
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
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
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/182—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations
- B65H23/185—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations motor-controlled
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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
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/182—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations
- B65H23/1825—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations and controlling web tension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
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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
- B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
- B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
- B65H26/04—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs for variation in tension
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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
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/174—Textile; fibres
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Abstract
The invention relates to the technical field of non-woven fabric membrane materials and textile and papermaking membrane materials, in particular to a constant-tension dancing roller control device which comprises a supporting assembly and an adjusting assembly, wherein the adjusting assembly is arranged on the supporting assembly, the adjusting assembly comprises a balance arm assembly, a lifting assembly and an angle sensor, the balance arm assembly is rotatably connected with the supporting assembly, and the angle sensor is used for acquiring the rotation information of the balance arm assembly and controlling the lifting assembly to drive the balance arm assembly to move in the vertical direction so as to enable the balance arm assembly to be located at a balance position. The film material is wound on the guide roller, the tension of the film material is determined according to the set cylinder tension, and the change of the tension is projected on the rotation angle of the balance arm component, so that the balance arm component is controlled to lift through the lifting component, the tension of the film material is constant, the tension dancing roller has a large moving range and a long adjusting distance, and the tension dancing roller is particularly suitable for a high-speed film material production line, and the practicability and the tension control efficiency of the film material production line are improved.
Description
Technical Field
The invention relates to the technical field of non-woven fabric membrane materials and textile and papermaking membrane materials, in particular to a constant-tension dancing roller control device.
Background
The tension adjusting device in the prior art has the speed difference between the speed of the tension roller and the unreeling speed, so that tension adjustment is needed to avoid the situation that a product is pulled to be broken or uneven, a balance swing arm is often arranged to adjust the tension of the product during unreeling in the prior art, but in the actual production process, the balance swing arm can swing when the speed difference exceeds a preset value, and the tension adjusting device is not suitable for a high-speed production line because the film material provided by swinging has a small adjusting room and is extremely easy to reach the upper limit and be blocked, the whole unreeling system needs to be correspondingly adjusted after being blocked, the field operation workload is large, the production time is prolonged, and the production efficiency is reduced. The swing angle of the balance swing arm is large, and the change of tension is large.
Therefore, how to provide a constant tension adjusting device which effectively deals with the difference between the speed of the tension roller and the unwinding speed is a technical problem to be solved by those skilled in the art. In view of the above problems, the present designer is based on the practical experience and professional knowledge of many years of engineering application of such products, and is engaged with the application of scholars to actively make research and innovation, so as to create a constant tension dancing roller control device, which is more practical.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the constant-tension dancing roller control device is provided, the film material adjusting length is increased, the swinging angle is reduced, the tension is kept constant, and the phenomenon that the balance support is blocked when swinging reaches the upper limit or the lower limit is avoided.
In order to achieve the purpose, the invention adopts the technical scheme that: a constant-tension dancing roller control device comprises a supporting assembly and an adjusting assembly, wherein the adjusting assembly is arranged on the supporting assembly, the adjusting assembly comprises a balance arm assembly, a lifting assembly and an angle sensor, the balance arm assembly is rotatably connected with the supporting assembly, the angle sensor is used for acquiring the rotation information of the balance arm assembly and controlling the lifting assembly to drive the balance arm assembly to move along the vertical direction so as to enable the balance arm assembly to be in a balance position,
the balance arm assembly comprises a balance support, a balance weight rod and a connecting rod, wherein the guide roller and the connecting rod are arranged at the two ends of the length direction of the balance support, the film material is wound on the guide roller, the tension of the film material acts on the guide roller, the balance support is connected with a cylinder, the cylinder is arranged below the guide roller, and the cylinder is used for balancing the tension of the film material.
Furthermore, a hollow groove is arranged in the middle of the connecting rod, a rotating shaft is arranged in the hollow groove,
the balance bracket is correspondingly provided with a through hole, the hollow groove is communicated with the through hole, and two ends of the rotating shaft protrude out of the balance bracket.
Further, the lifting unit includes the rack slide rail that vertical direction set up, and with rack slide rail engaged with gear, the rack slide rail sets up be close to on the supporting component one side of counterweight rod, the axis of rotation passes the gear center, the gear with axis of rotation fixed connection, the gear passes through second motor drive edge the rack slide rail oscilaltion, the one end of axis of rotation pass through the shaft coupling with the output shaft fixed connection of second motor.
Further, the lifting assembly further comprises a guide mechanism, the guide mechanism comprises four linear sliders and four linear guide rails, the linear guide rails are arranged on the supporting assembly, and the linear sliders drive the rotating shafts to move up and down along the linear guide rails.
Furthermore, an installation seat is arranged between the linear sliding block and the rotating shaft, the installation seat comprises an installation plate and a support plate which are oppositely arranged, a connecting part for the rotating shaft to pass through is arranged between the installation plate and the support plate,
the extension board includes horizontal segment, first bending segment and the second bending segment of connecting in order, first bending segment with the second bending segment sets up same one side of horizontal segment, the horizontal segment with be between the first bending segment and predetermine the contained angle setting, first bending segment with be between the second bending segment and predetermine the contained angle setting.
Further, a shaft sleeve is further arranged between the mounting seat and the linear sliding block, the shaft sleeve is sleeved on the outer side of the connecting portion, fixing grooves are formed in two sides of the shaft sleeve, the extending direction of the fixing grooves is consistent with the vertical direction, and the sliding block is arranged in the fixing grooves.
Further, a bearing is arranged in the connecting portion, at least one bearing is arranged, and the bearings are arranged at two ends of the connecting portion.
Furthermore, the cylinder is fixed on a support plate along the vertical direction, the cylinder is fixed at one end of the support plate, and the other end of the support plate is fixedly connected with the rotating shaft.
Furthermore, an angle sensor is arranged at one end, close to the connecting rod, of the support plate, and a sensing head of the angle sensor is connected with the rotating shaft through a belt.
Further, the guide roller is of a light material structure
The invention has the beneficial effects that: when the tension of the film material changes, the balance arm component swings upwards or downwards, and the tension is controlled by increasing or decreasing the unwinding speed through the feedback of the angle sensor to the unwinding mechanism; the motor is used for driving the pivot of the balance support in the balance arm assembly to ascend or descend along with the upward swing or the downward swing of the swing arm, so that the buffer distance is prolonged, and the phenomenon that the swing arm is blocked once reaching the upper limit or the lower limit is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a constant-tension dancing roller control device in an embodiment of the invention;
FIG. 2 is a schematic structural diagram of an adjustment assembly in an embodiment of the present invention;
FIG. 3 is a schematic diagram of an angle sensor according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a lifting assembly according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of an adjustment assembly in an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a mounting base according to an embodiment of the present invention;
FIG. 7 is a working schematic diagram of a roller device when the fabric is unreeled normally in the embodiment of the invention;
FIG. 8 is a schematic view of the operation of the roller device during the slow unwinding of the fabric in the embodiment of the invention;
FIG. 9 is a working schematic diagram of the roller device when the cloth unreels too fast in the embodiment of the invention;
fig. 10 is a schematic structural view of a weight lever according to an embodiment of the present invention.
Reference numerals: the support assembly 1, the adjustment assembly 2, the balance arm assembly 21, the balance bracket 211, the through hole 2111, the bearing seat 2112, the balance weight rod 212, the accommodating cavity 2121, the cover plate 2122, the insert 2123, the weight block 2124, the guide roller 213, the connecting rod 214, the hollow groove 2141, the rotating shaft 215, the lifting assembly 22, the rack slide rail 221, the gear 222, the cylinder 3, the second motor 223, the coupling 224, the guide mechanism 225, the linear slider 2251, the linear guide 2252, the mounting seat 226, the mounting plate 2261, the support plate 2262, the connecting part 2263, the horizontal section 2264, the first bending section 2265, the second bending section 2266, the reinforcing rib 2267, the shaft sleeve 227, the fixing groove 2271, the bearing 228, the connecting frame 229, the through hole 2291, the angle sensor 4, the belt 5, and the power assembly 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The constant tension dancing roller control device as shown in fig. 1 to 10 comprises a support assembly 1 and an adjusting assembly 2, wherein the adjusting assembly 2 is arranged on the support assembly 1, the adjusting assembly 2 comprises a balance arm assembly 21, a lifting assembly 22 and an angle sensor 4, the balance arm assembly 21 is rotatably connected with the support assembly 1, the angle sensor 4 is used for acquiring the rotation information of the balance arm assembly 21 and controlling the lifting assembly 22 to drive the balance arm assembly 21 to move in the vertical direction so that the balance arm assembly 21 is in a balance position,
balanced arm subassembly 21 includes balanced support 211, counterweight rod 212, sets up at the deflector roll 213 at balanced support 211 length direction both ends and sets up the connecting rod 214 at balanced support 211 middle part, and the membrane material is around locating on deflector roll 213, and membrane material tension acts on deflector roll 213, and balanced support 211 is connected with cylinder 3, cylinder 3 sets up deflector roll 213 below, cylinder 3 are used for balancing the tension of membrane material.
According to the invention, the balance state of the balance arm assembly 21 is ensured through the matching arrangement of the balance weight rod 212 and the cylinder 3, the fulcrum of the balance arm assembly 21 is driven to move up and down through the arrangement of the lifting assembly 22, so that the tension conditions of the film materials under different unreeling or reeling conditions are met, when the tension changes, the balance arm assembly 21 swings up and down, the fulcrum of the balance bracket 211 in the balance arm assembly 21 is driven by the second motor 223, the fulcrum of the balance bracket 211 moves up and down along with the up and down swing of the guide roller 213, and the fulcrum rises or falls along with the up or down swing of the balance arm assembly 21, so that the storage length of the dancing roller is prolonged, and the phenomenon that the balance arm assembly 21 is stuck once reaching the upper limit or the lower limit is avoided.
As shown in fig. 7, which is a schematic working diagram when the unwinding speed of the spun fabric is normal, when the unwinding speed of the spun fabric is slower than the normal unwinding speed, as shown in fig. 8, the guide roller 213 is pulled up by the spun fabric, and the second motor 223 drives the fulcrum in the balance arm assembly 21 to rise, so that the balance arm assembly 21 returns to the horizontal state, and the tension of the spun fabric is ensured to be constant all the time; when the cloth is unreeled faster than the normal unreeling speed, as shown in fig. 9, the guide roller 213 descends, and the second motor 223 drives the fulcrum in the balance arm assembly 21 to descend, so that the balance arm assembly 21 returns to the horizontal state, and the cloth-spinning tension is ensured to be constant all the time. The textile tension is controlled by the settable working force applied to the system, and the tension is controlled by increasing or decreasing the unwinding speed through the feedback of the angle sensor 4 to the unwinding mechanism.
As the optimization of the embodiment, the constant-tension dancing roller control device further comprises a power assembly 6, wherein the power assembly 6 is arranged on the support assembly 1 and used for providing power for the movement of the film material.
Preferably, in the above embodiment, a hollow groove 2141 is formed in the middle of the connecting rod 214, the rotating shaft 215 is formed in the hollow groove 2141, the through hole 2111 is correspondingly formed in the balance bracket 211, the hollow groove 2141 communicates with the through hole 2111, and both ends of the rotating shaft 215 protrude from the balance bracket 211. The rotating shaft 215 includes a first shaft section, a second shaft section, and a third shaft section, the diameter of the first shaft section is greater than the second shaft section, the diameter of the third shaft section is less than the second shaft section, the first shaft section is connected with a bearing 228 in the bearing seat 2112, the second shaft section is connected with a mounting seat 226, and the third shaft section is connected with a coupling 224.
Preferably, the lifting assembly 22 includes a rack slide rail 221 arranged in a vertical direction, and a gear 222 engaged with the rack slide rail 221, the rack slide rail 221 is arranged on one side of the support assembly 1 close to the counterweight rod 212, the rotating shaft 215 passes through the center of the gear 222, the gear 222 is fixedly connected with the rotating shaft 215, the gear 222 is driven by a second motor 223 to lift up and down along the rack slide rail 221, and one end of the rotating shaft 215 is fixedly connected with an output shaft of the second motor 223 through a coupling 224. In order to eliminate the rotational backlash of the second motor 223 to improve the accuracy of the gripping force, in the present embodiment, the coupling 224 is an elastic coupling 224.
As a preference of the above embodiment, the lifting assembly 22 further includes a guide mechanism 225, the guide mechanism 225 includes four linear sliders 2251 and four linear guides 2252, the linear guides 2252 are disposed on the support assembly 1, and the linear sliders 2251 drive the rotating shaft 215 to move up and down along the linear guides 2252. Two linear sliders 2251 and two linear guide rails 2252 are respectively arranged on two sides of the rotating shaft 215 in the length direction, the two linear sliders 2251 and the two linear guide rails 2252 are respectively arranged on two opposite sides of the rotating shaft 215, and stable guiding for lifting and lowering the rotating shaft 215 is formed by the arrangement of the four linear sliders 2251 and the four linear guide rails 2252, so that the influence of deviation of directions on the tension of the film on two ends is avoided. As a preferred embodiment of the above embodiment, a mounting seat 226 is further disposed between the linear slider 2251 and the rotating shaft 215, the mounting seat 226 includes two mounting plates 2261 and a supporting plate 2262 which are disposed opposite to each other, a connecting portion 2263 for the rotating shaft 215 to pass through is disposed between the mounting plates 2261 and 2262, the supporting plate 2262 includes a horizontal section 2264, a first bending section 2265 and a second bending section 2266 which are connected in sequence, the first bending section 2265 and the second bending section 2266 are disposed on the same side of the horizontal section 2264, the first bending section 2265 and the second bending section 2266 are disposed on one side close to the guide roller 213, a preset included angle is formed between the horizontal section 2264 and the first bending section 2265, and a preset included angle is formed between the first bending section 2265 and the second bending section 2266.
A reinforcing rib 2267 is arranged on one side of the support plate 2262 close to the mounting plate 2261, the reinforcing rib 2267 extends from the horizontal section 2264 to the second bending section 2266, and the extending direction of the reinforcing rib 2267 forms a preset included angle with the vertical direction.
A connecting frame 229 is further connected between the mounting seat 226 and the second motor 223, the coupler 224 is disposed in the connecting frame 229, and two through holes 2291 are formed in the connecting frame 229 along the length direction of the rotating shaft 215, so that the rotating shaft 215 and the rotating shaft 215 of the second motor 223 can pass through the through holes. According to the invention, the installation seat 226 is arranged to rotatably connect the rotating shaft 215 and the lifting assembly 22, the installation plate 2261 is fixedly connected with the connecting frame 229, the support plate 2262 is fixedly connected with the gear 222, and the support plate 2262 provides an installation position for the angular velocity sensor and the cylinder 3, so that the practicability and stability of the invention are improved.
As a preference of the above embodiment, a shaft sleeve 227 is further disposed between the mounting seat 226 and the linear slider 2251, the shaft sleeve 227 is sleeved outside the connecting portion 2263, fixing grooves 2271 are disposed on two sides of the shaft sleeve 227, an extending direction of the fixing grooves 2271 is the same as a vertical direction, and the slider is disposed in the fixing grooves 2271. The stability of the present invention is increased by fixing the linear slider 2251 through the fixing groove 2271.
Preferably, in the above embodiment, the coupling 2263 is provided with at least one bearing 228, and the bearings 228 are disposed at two ends of the coupling 2263. The bearing 228 is arranged in the connecting portion 2263, so that the rotation of the rotating shaft 215 is smoother, and the damage to the linear slider 2251 and the linear guide 2252 caused by the overlarge torsion between the rotating shaft 215 and the linear slider 2251 when the second motor 223 rotates is effectively avoided, and the influence on the lifting of the balance arm assembly 21 is also effectively avoided.
Preferably, in the above embodiment, a bearing seat 2112 is provided on a side of the balance bracket 211 away from the connecting rod 214, and a bearing 228 is provided in the bearing seat 2112. The rotating shaft 215 is supported by the matching arrangement of the bearing 228 and the bearing seat 2112, so that the rotating shaft 215 is prevented from rotating and rubbing against the inner wall of the hollow groove 2141, abrasion is caused to the rotating shaft 215 and the connecting rod 214, and meanwhile, the arrangement of the bearing 228 effectively prevents the balancing arm assembly 21 from being driven to swing when the second motor 223 rotates.
Preferably, the cylinder 3 is fixed on the support plate 2262 in the vertical direction, the cylinder 3 is fixed at one end of the support plate 2262, and the other end of the support plate 2262 is fixedly connected with the rotating shaft 215. An angle sensor 4 is disposed at one end of the support plate 2262 close to the connecting rod 214, and a sensing head of the angle sensor 4 is connected with the connecting rod 214 through a belt 5. In use, the angle sensor 4 detects the rotation angle of the balance arm assembly 21 by detecting the rotation angle around the belt 5 provided to the connecting rod 214 and the angle sensor 4. Rack slide rail 221 symmetry sets up on supporting mechanism, makes adjusting part 2 more stable along the in-process of vertical direction lift, offsets tension through cylinder 3 and makes balanced support 211 horizontal balance, and balanced arm subassembly 21 is very sensitive, and the cloth spinning tension can be set for the operating force and control by applying to the system, feeds back to unwinding mechanism through angle sensor 4 and controls tension through increasing or reducing unwinding speed.
As the preferred embodiment, the guide roller 213 is made of light material, and the mass and the moment of inertia of the light guide roller 213 are small, so that the whole balance arm assembly 21 is very sensitive, and the tension change of the film can be reflected on the rotation angle of the balance arm assembly 21, thereby facilitating the lifting of the balance arm assembly 21 controlled by the lifting assembly 22 to realize the tension adjustment of the film, and increasing the practicability and the tension control efficiency of the invention. In this embodiment, the guide roller 213 is made of carbon fiber material, and a cavity is formed in the guide roller 213, so that the carbon fiber material has light weight and good friction property, the weight of the guide roller is further reduced through the arrangement of the cavity, and the sensitivity of the balance arm assembly 21 is increased.
In the above embodiment, it is preferable that the housing 2121 is provided to penetrate through the weight rod 212 in the longitudinal direction, the cover 2122 is detachably connected to both ends of the weight rod 212, the insert 2123 is provided in the housing 2121, and the weight 2124 is provided on the insert 2123. The insert 2123 can be detached through the arrangement of the detachable insert 2123, and the number of the balancing weights 2124 on the insert 2123 is adjusted by the adjusting sleeve, so that the overall counterweight of the counterweight structure is effectively adjusted, the structure is simple, and the operation is convenient. The weight of the guide roller 213 can be balanced by arranging the balance weight rod 212, so that the sensitivity of the invention is increased.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The constant-tension dancing roller control device is characterized by comprising a support assembly (1) and an adjusting assembly (2), wherein the adjusting assembly (2) is arranged on the support assembly (1), the adjusting assembly (2) comprises a balance arm assembly (21), a lifting assembly (22) and an angle sensor (4), the balance arm assembly (21) is rotatably connected with the support assembly (1), the angle sensor (4) is used for acquiring the rotation information of the balance arm assembly (21) and controlling the lifting assembly (22) to drive the balance arm assembly (21) to move along the vertical direction, so that the balance arm assembly (21) is in a balance position,
the film material winding device is characterized in that the balance arm assembly (21) comprises a balance support (211), a balance weight rod (212), guide rollers (213) arranged at two ends of the balance support (211) in the length direction and a connecting rod (214) arranged in the middle of the balance support (211), a film material is wound on the guide rollers (213), the tension of the film material acts on the guide rollers (213), the balance support (211) is connected with a cylinder (3), the cylinder (3) is arranged below the guide rollers (213), and the cylinder (3) is used for balancing the tension of the film material;
a hollow groove (2141) is arranged in the middle of the connecting rod (214), a rotating shaft (215) is arranged in the hollow groove (2141),
a through hole (2111) is correspondingly formed in the balance bracket (211), the hollow groove (2141) is communicated with the through hole (2111), and two ends of the rotating shaft (215) protrude out of the balance bracket (211);
the lifting assembly (22) comprises a rack sliding rail (221) arranged in the vertical direction and a gear (222) meshed with the rack sliding rail (221), the rack sliding rail (221) is arranged on one side, close to the counterweight rod (212), of the support assembly (1), a rotating shaft (215) penetrates through the center of the gear (222), the gear (222) is fixedly connected with the rotating shaft (215), the gear (222) is driven by a second motor (223) to lift up and down along the rack sliding rail (221), and one end of the rotating shaft (215) is fixedly connected with an output shaft of the second motor (223) through a coupler (224);
the lifting assembly (22) further comprises a guide mechanism (225), the guide mechanism (225) comprises four linear sliding blocks (2251) and four linear guide rails (2252), the linear guide rails (2252) are arranged on the support assembly (1), and the linear sliding blocks (2251) drive the rotating shaft (215) to move up and down along the linear guide rails (2252);
a mounting seat (226) is further arranged between the linear sliding block (2251) and the rotating shaft (215), the mounting seat (226) comprises a mounting plate (2261) and a supporting plate (2262) which are arranged oppositely, a connecting part (2263) for the rotating shaft (215) to pass through is arranged between the mounting plate (2261) and the supporting plate (2262),
the support plate (2262) comprises a horizontal section (2264), a first bending section (2265) and a second bending section (2266) which are connected in sequence, the first bending section (2265) and the second bending section (2266) are arranged on the same side of the horizontal section (2264), a preset included angle is formed between the horizontal section (2264) and the first bending section (2265), and a preset included angle is formed between the first bending section (2265) and the second bending section (2266).
2. The constant-tension dancing roller control device according to claim 1, wherein a shaft sleeve (227) is further disposed between the mounting base (226) and the linear slider (2251), the shaft sleeve (227) is sleeved outside the connecting portion (2263), fixing grooves (2271) are formed in two sides of the shaft sleeve (227), the extending direction of the fixing grooves (2271) is consistent with the vertical direction, and the linear slider (2251) is disposed in the fixing grooves (2271).
3. Constant tension dancing roller control device according to claim 1, wherein a bearing (228) is provided in the connection (2263), the bearing (228) is provided in at least one, and the bearings (228) are provided at both ends of the connection (2263).
4. The constant tension dancing roller control device according to claim 1, wherein the cylinder (3) is fixed on a support plate (2262) in a vertical direction, the cylinder (3) is fixed at one end of the support plate (2262), and the other end of the support plate (2262) is fixedly connected with the rotating shaft (215).
5. The constant tension dancing roller control device according to claim 1, wherein an angle sensor (4) is arranged at one end of the support plate (2262) close to the connecting rod (214), and a sensing head of the angle sensor (4) is connected with the connecting rod (214) through a belt (5).
6. Constant tension dancing roller control device according to claim 1, characterized in that the guide roller (213) is of lightweight material construction.
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| CN202110099910.XA CN112777372B (en) | 2021-01-25 | 2021-01-25 | Constant-tension dancing roller control device |
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| CN112777372B true CN112777372B (en) | 2022-09-06 |
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| CN113213232B (en) * | 2021-05-26 | 2023-04-18 | 惠州易晖光电材料股份有限公司 | Flexible coiled material film opening control device and film cutting and pasting equipment |
| CN113550031B (en) * | 2021-06-03 | 2022-07-01 | 东台市润生纺机专件有限公司 | Drawing roller of high accuracy |
| CN113911801B (en) * | 2021-10-15 | 2024-03-22 | 苏州市乾丰造纸机械制造有限公司 | Paper cutting machine of adjustable dancer roll floating range |
| CN114290758A (en) * | 2021-12-07 | 2022-04-08 | 赛欧德江苏智能装备有限公司 | Correction shaping structure of single-face corrugated paper |
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