CN116374686A - Reel mechanism and coil rack - Google Patents
Reel mechanism and coil rack Download PDFInfo
- Publication number
- CN116374686A CN116374686A CN202310669725.9A CN202310669725A CN116374686A CN 116374686 A CN116374686 A CN 116374686A CN 202310669725 A CN202310669725 A CN 202310669725A CN 116374686 A CN116374686 A CN 116374686A
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- shaft body
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- stop
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- axial direction
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- 230000007246 mechanism Effects 0.000 title claims abstract description 36
- 238000007599 discharging Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims 2
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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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
- B65H16/00—Unwinding, paying-out webs
- B65H16/02—Supporting web roll
- B65H16/04—Supporting web roll cantilever type
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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
- B65H19/00—Changing the web roll
- B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
- B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
- B65H19/123—Lifting, transporting, or inserting the web roll; Removing empty core with cantilever supporting arrangements
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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
- B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
- B65H23/032—Controlling transverse register of web
- B65H23/0324—Controlling transverse register of web by acting on lateral regions of the web
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- Storage Of Web-Like Or Filamentary Materials (AREA)
- Unwinding Webs (AREA)
Abstract
The utility model discloses a reel mechanism, and discloses a coil rack with a reel mechanism, comprising: a shaft body; the limiting switch assembly penetrates the shaft body from top to bottom, the limiting stop lever is hinged to the upper end of the limiting seat through the hinge piece, the vertical edge can be abutted against the upper side of the shaft body and enable the axial direction of the limiting stop lever to be perpendicular to the axial direction of the shaft body, the axial edge can be abutted against the upper side of the shaft body and enable the axial direction of the limiting stop lever to be parallel to the axial direction of the shaft body, and the distance between the vertical edge and the hinge piece is larger than the distance between the axial edge and the hinge piece; a pre-tightening elastic piece which applies downward acting force to the limiting seat; and the locking switching assembly is used for limiting the stop pin in any tooth slot when the vertical edge is abutted against the upper side of the shaft body, and for limiting the stop pin to be separated from the stop rack downwards when the axial edge is abutted against the upper side of the shaft body. The reel mechanism stably carries out axial limit on the coil, effectively restrains the free moving range of the coil, and can realize quick disassembly and assembly only by rotating the limit stop lever by hand.
Description
Technical Field
The utility model relates to the technical field of belt material transportation, in particular to a reel mechanism and a coil rack.
Background
In some mechanical devices such as strip compounding devices, bundling machines, film laminating machines, printers and the like, a reel mechanism is used to enable the strip reel rack to realize winding and unwinding operations. Generally, the coil is put on or taken out from the reel along the axial horizontal direction of the reel for replacement, and the reel mechanism is divided into a belt rotating power reel mechanism and an unpowered reel mechanism according to the driving mode of the coil, and the operation principle of the unpowered reel mechanism is that the belt material is driven to freely rotate by the pulling force, so that the belt material is usually used for unreeling operation.
The existing unpowered reel mechanisms are divided into two modes: the axial limiting mechanism is not arranged on the reel, the strip can be taken out or assembled from the reel at any time, and the replacement is flexible, but the axial position of the strip coil on the reel cannot be limited in the mode, and the strip coil can easily jump out and separate from the reel in the working process of the equipment; the other is to limit the axial position of the coil through the limiting piece which can be detached on the scroll, the limiting piece is detached from the scroll before the coil is installed and replaced, the use is very troublesome, and the production efficiency of factories is reduced.
In the utility model patent with the authority bulletin number of CN216863122U and the name of paper roll frame, when a coil is placed on a shaft body, the paper roll frame utilizes an axial limiting component, a limiting stop block on the axial limiting component is put down, the coil penetrates into the limiting stop block through a coil opening and is arranged in the shaft body, and then the limiting stop block is rotated to enable the limiting stop block to stand on the shaft body, so that the coil is limited in the shaft body, the installation is very convenient, and when the coil is detached or replaced, the quick assembly and disassembly can be realized only by snapping the limiting stop block, the structure is simple, and the assembly and disassembly time is greatly shortened.
Although the paper roll frame can overcome the defects to a certain extent, when the limit stop is in an upright state, the axial limit component cannot fundamentally realize stable limit on the axial position of the coil, and according to stress analysis, the axial limit component is restrained by the friction force of the shaft body in the axial direction, and the friction force is positively related to the pretightening force of the spring, so that the axial limit component is not fixed on the shaft body. Because the coil of strip needs free rotation when unreeling, axial spacing subassembly can not paste tightly on the coil of strip and can remain a bit clearance completely, in case the coil of strip produces axial skew and rocks at rotatory in-process, for example initial unreeling state's coil of strip weight and inertia are great, in case axial spacing subassembly receives the axial impact thrust of coil of strip to surpass the biggest static friction of axis body to axial spacing subassembly, the coil of strip can drive axial spacing subassembly and produce certain axial displacement on the axis body, along with the free range of motion of coil of strip in axial increases, its skew rocks also can further aggravate, can further drive axial spacing subassembly and produce longer axial displacement on the axis body, lead to axial spacing subassembly to lose gradually to the axial constraint ability of coil of strip, and then make the coil of strip in axial direction of unreel produce the change, can also lead to the both sides tension imbalance of strip and produce deformation, influence strip quality and unreel effect.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the reel mechanism which can not only realize the quick assembly and disassembly of the coil, but also stably limit the axial direction of the coil.
The utility model also provides a coil rack with the reel mechanism.
The reel mechanism according to the embodiment of the first aspect of the present utility model includes: the shaft body horizontally extends along the axial direction and is provided with a connecting end and a discharging end in the axial direction; the limiting and switching assembly comprises a limiting seat, a limiting stop lever and a hinging piece, wherein the limiting seat vertically penetrates through the shaft body, the limiting seat is arranged on the shaft body along the axial direction of the shaft body in a sliding manner and is positioned between the connecting end and the discharging end, the limiting stop lever is hinged to the upper end of the limiting seat through the hinging piece, two edges of the limiting stop lever, which are close to the hinging piece, are respectively provided with vertical edges and axial edges, the vertical edges can be abutted to the upper side of the shaft body and enable the axial direction of the limiting stop lever to be perpendicular to the axial direction of the shaft body, the axial edges can be abutted to the upper side of the shaft body and enable the axial direction of the limiting stop lever to be parallel to the axial direction of the shaft body, and the distance between the vertical edges and the hinging piece is larger than the distance between the axial edges and the hinging piece; the pre-tightening elastic piece is arranged between the limiting seat and the shaft body, and the pre-tightening elastic piece applies downward acting force to the limiting seat; the locking switching assembly comprises a stop pin and a stop rack, wherein the stop rack is arranged on the lower side of the shaft body, the stop rack extends along the axial direction of the shaft body and is provided with a plurality of tooth grooves with downward opening directions, the stop pin is arranged at the lower end of the limiting seat, when the vertical edge abuts against the upper side of the shaft body, the stop pin is restrained in any tooth groove to lock the limiting seat and the limiting stop rod at the axial position of the shaft body, and when the axial edge abuts against the upper side of the shaft body, the stop pin is separated from the stop rack downwards so that the limiting seat and the limiting stop rod can slide along the axial direction of the shaft body.
Has at least the following beneficial effects: this spool mechanism utilizes spacing switch module and locking switch module, when placing the coil of strip on the axis body, puts down spacing pin on the spacing switch module, makes the axial limit support in the upside of axis body, and stop pin has broken away from the stop rack downwards simultaneously, and the coil of strip passes spacing pin and pack into the axis body through the reel mouth, and spacing seat can slide on the axis body in order to adjust axial position moreover, then the operator rotates spacing pin with the hand and makes upright limit support in the upside of axis body, spacing pin erects on the axis body, and stop pin is restrained in the tooth's socket simultaneously, can lock spacing seat and spacing pin in the axial of axis body to carry out axial spacing to the coil of strip steadily, spacing switch module can not slide because of the axial skew of coil of strip by a small margin, retrains the free range of coil of strip effectively, and convenient operation when this spool mechanism installs, when dismantling or changing the coil of strip, only need rotate spacing pin with the hand and can realize quick assembly and disassembly.
According to some embodiments of the present utility model, the stop rack is arranged with a plurality of tooth bodies, the tooth grooves are formed between two adjacent tooth bodies, the tooth bodies include straight tooth sections and guiding tooth sections which are sequentially connected from top to bottom, the longitudinal section of the guiding tooth section is gradually narrowed from top to bottom, and the lowest end is an end point.
According to some embodiments of the utility model, the longitudinal profile of the guide tooth section is rounded at the end points.
According to some embodiments of the utility model, the limit stop lever forms a flip angle between the upright edge and the axial edge, the limit stop lever being configured to be able to flip relative to the shaft body around the flip angle, with a maximum distance between the hinge and any point on the flip angle being L3, with a distance between the upright edge and the hinge being L2, with a distance between the axial edge and the hinge being L1, with a depth of the tooth slot being D, then L3 > L2, L3-L1 > D > L3-L2.
According to some embodiments of the utility model, the hinge is a pin, and the flip angle transitions smoothly.
According to some embodiments of the present utility model, the stop pins and the stop racks are respectively provided with two groups, the two groups of stop pins are distributed on two sides of the limiting seat, and the two groups of stop racks are distributed on two sides of the limiting seat.
According to some embodiments of the utility model, the pre-tightening elastic piece is a compression spring, a limiting boss is arranged at the lower end of the limiting seat, and the pre-tightening elastic piece is sleeved outside the limiting seat and is abutted between the limiting boss and the lower side of the shaft body.
According to some embodiments of the utility model, a gasket is arranged between the pre-tightening elastic piece and the lower side of the shaft body, and the gasket is sleeved outside the limiting seat.
According to some embodiments of the present utility model, the shaft body is vertically perforated with an axial sliding hole extending along an axial direction of the shaft body, the limit seat is disposed in the axial sliding hole, the limit seat is configured to be capable of sliding up and down relative to the axial sliding hole and capable of sliding along the axial direction of the shaft body when the stop pin is separated from the stop rack downward, and the limit seat is configured to be non-deflectable in a horizontal plane relative to the axial sliding hole.
According to some embodiments of the present utility model, two flanges are respectively disposed on two axial sides of the shaft body, and the two flanges respectively restrict two axial sides of the limit stop lever and enable the limit stop lever to slide axially relative to the flange under the condition that the stop pin is separated from the stop rack downward.
The coil rack according to the embodiment of the second aspect of the present utility model comprises a base and the reel mechanism according to the embodiment of the first aspect of the present utility model, wherein the connecting end of the shaft body is disposed on the base.
Has at least the following beneficial effects: the coil rack has all the beneficial effects brought by the reel mechanism and is not repeated here.
According to some embodiments of the utility model, the base comprises a limiting part and a mounting groove arranged on the limiting part, the connecting end of the shaft body is inserted into the mounting groove, and the limiting part and the limiting stop lever are respectively configured to restrict two sides of the coil.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view of a coil holder embodiment of the present utility model with an upstanding edge abutting against the upper side of a spindle;
FIG. 2 is a partially exploded view of the structure of FIG. 1;
FIG. 3 is a schematic view of the reel mechanism embodiment of the present utility model with the limit stop lever in an upright position;
FIG. 4 is a front view of FIG. 3;
FIG. 5 is a side view of FIG. 3;
FIG. 6 is a schematic diagram of the structure of a coil rack embodiment of the present utility model during a stop bar flipping process;
FIG. 7 is a side view of a portion of the structure of FIG. 6;
FIG. 8 is a schematic view of a portion of the structure of FIG. 7;
FIG. 9 is a schematic view of a coil rack embodiment of the present utility model with a stop bar in a flat position;
fig. 10 is a side view of a portion of the structure of fig. 9.
Reference numerals: the shaft body 1, the connecting end 11, the discharging end 12, the axial sliding hole 13, the flange 14, the limit switch assembly 2, the limit seat 21, the limit boss 211, the limit stop lever 22, the vertical edge 221, the axial edge 222, the turning angle 223, the hinge 23, the gasket 24, the pre-tightening elastic piece 3, the locking switch assembly 4, the stop pin 41, the stop rack 42, the tooth body 421, the straight tooth segment 4211, the guide tooth segment 4212, the tooth slot 43, the coil 5, the coil opening 51, the base 6, the limit part 61 and the mounting groove 62.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, horizontal, axial, etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 to 10, the utility model discloses a reel mechanism, which comprises a shaft body 1, a limit switching assembly 2, a pre-tightening elastic piece 3 and a locking switching assembly 4.
With reference to fig. 1 and 2, the shaft body 1 extends horizontally along the axial direction and has a connection end 11 and a discharge end 12 in the axial direction, the connection end 11 is used for being connected with other components to support the shaft body 1, and the discharge end 12 is used for placing the coil 5, so that the coil 5 can be mounted on the shaft body 1 and can rotate freely relative to the shaft body 1.
Referring to fig. 2 and 3, the limit switch assembly 2 includes a limit seat 21, a limit stop lever 22 and a hinge 23, where the limit seat 21 vertically penetrates through the shaft body 1, the limit seat 21 is slidably disposed on the shaft body 1 along the axial direction of the shaft body 1 and located between the connection end 11 and the discharge end 12, the limit stop lever 22 is hinged to the upper end of the limit seat 21 through the hinge 23, and the hinge 23 can be a hinge or a pin, or can be other structures capable of realizing the hinge between the limit stop lever 22 and the limit seat 21.
Referring to fig. 8, the limit stop lever 22 is provided with vertical upright sides 221 and axial sides 222 near the hinge 23, respectively, the upright sides 221 can abut against the upper side of the shaft body 1 and make the axial direction of the limit stop lever 22 perpendicular to the axial direction of the shaft body 1, the axial sides 222 can abut against the upper side of the shaft body 1 and make the axial direction of the limit stop lever 22 parallel to the axial direction of the shaft body 1, and the distance between the upright sides 221 and the hinge 23 is greater than the distance between the axial sides 222 and the hinge 23.
It will be appreciated that the limit stop lever 22 is substantially rod-shaped, and, with reference to fig. 1 and 9, has a length extending axially and a dimension greater than the other directions, when the upright edge 221 abuts against the upper side of the shaft body 1, that is, the limit stop lever 22 is in an upright state with respect to the shaft body 1, the limit stop lever 22 can block the constraining tape roll 5; when the axial edge 222 abuts against the upper side of the shaft body 1, the limit stop lever 22 is in a flat state relative to the shaft body 1 and is folded together with the shaft body 1, and the winding opening 51 of the coil 5 can be sleeved on the shaft body 1 and the limit stop lever 22 in an unobstructed manner.
Referring to fig. 4, the pre-tightening elastic member 3 is disposed between the limiting seat 21 and the shaft body 1, and the pre-tightening elastic member 3 applies a downward force to the limiting seat 21, so as to ensure that the edge on the limiting stop lever 22 is clung to the upper side of the shaft body 1 no matter in an upright state or a flat state, and the pre-tightening elastic member 3 may be a spring.
Referring to fig. 4 and 5, the lock switching assembly 4 includes a stopper pin 41 and a stopper rack 42, the stopper rack 42 is disposed at a lower side of the shaft body 1, the stopper rack 42 extends along an axial direction of the shaft body 1 and is arranged with a plurality of tooth grooves 43 with a downward opening direction, the stopper pin 41 is mounted at a lower end of the stopper seat 21, when the upright side 221 abuts against an upper side of the shaft body 1, the stopper pin 41 is restrained in any one of the tooth grooves 43 to lock positions of the stopper seat 21 and the stopper bar 22 in the axial direction of the shaft body 1, when the axial side 222 abuts against the upper side of the shaft body 1, since a distance between the upright side 221 and the hinge 23 is greater than a distance between the axial side 222 and the hinge 23, the stopper seat 21 and the stopper pin 41 are lowered by a distance such that the stopper pin 41 is disengaged downward from the stopper rack 42 and is no longer restrained by the tooth grooves 43, and the stopper seat 21 and the stopper bar 22 are able to slide along the axial direction of the shaft body 1.
When the coil 5 is placed on the shaft body 1, the limiting switch assembly 2 and the locking switch assembly 4 are utilized, the limiting stop lever 22 on the limiting switch assembly 2 is put down, the axial edge 222 is abutted against the upper side of the shaft body 1, meanwhile, the stop pin 41 is separated from the stop rack 42 downwards, the coil 5 passes through the limiting stop lever 22 through the coil opening 51 and is arranged in the shaft body 1, the limiting seat 21 can slide on the shaft body 1 to adjust the axial position, then an operator rotates the limiting stop lever 22 by hand to enable the vertical edge 221 to be abutted against the upper side of the shaft body 1, the limiting stop lever 22 is vertically arranged on the shaft body 1, meanwhile, the stop pin 41 is restrained in the tooth groove 43, the positions of the limiting seat 21 and the limiting stop lever 22 in the axial direction of the shaft body 1 can be locked, so that the coil 5 is stably axially limited, the limiting switch assembly 2 cannot slide relative to the shaft body 1 due to axial offset of 5 small amplitude, and the free moving range of the coil 5 is effectively restrained.
And this spool mechanism installs convenient operation when the coil of strip 5, when dismantling or change the coil of strip, only need rotate spacing pin 22 with the hand and can realize quick assembly disassembly.
In some embodiments of the present utility model, referring to fig. 5, the stop rack 42 is arranged with a plurality of tooth bodies 421, and tooth grooves 43 are formed between two adjacent tooth bodies 421, the tooth bodies 421 include straight tooth segments 4211 and guiding tooth segments 4212 sequentially connected from top to bottom, the longitudinal section of the guiding tooth segments 4212 is gradually narrowed from top to bottom, and the lowest end is the end point, so that in the process of turning the stop bar 22 from the flat state to the upright state, the stop pin 41 can be gradually guided by the guiding tooth segments 4212 to rise into the corresponding tooth grooves 43 at any position, and the stop pin 41 is not blocked by the stop teeth 421 in the up-down direction.
It will be appreciated that, before the stop bar 22 in the flat state is turned over, if there is at least a partial overlap between the horizontal projection of the stop pin 41 and the horizontal projection of the tooth 421, the stop pin 41 is guided upward by the guide tooth segment 4212 during the turning over of the stop bar 22 to the upright state, and a small offset of the stop pin 41 in the axial direction of the shaft body 1 is required to enable the stop pin 41 to completely fall into the tooth slot 43, and in this process, the stop switch assembly 2 also follows the small offset of the stop pin 41 in the axial direction of the shaft body 1.
The longitudinal section of the guide tooth segment 4212 may specifically be smoothly transitioned at the end point, so as to reduce collision damage between the end point of the guide tooth segment 4212 and the stop pin 41.
Referring to fig. 8, assuming that the distance between the upright edge 221 and the hinge 23 is L2, and the distance between the axial edge 222 and the hinge 23 is L1, according to the foregoing description, L2 > L1, since the bottom of the limit bar 22 always abuts against the upper side of the shaft body 1, the position of the hinge 23 when the limit bar 22 is in the flat state is lower than the position when the limit bar 22 is in the flat state, and similarly, the stop pin 41 will also descend during this process, and it is due to this height difference that the stop pin 41 is disengaged from the tooth groove 43, so that the limit switch assembly 2 is ensured to be able to slide in the axial direction of the shaft body 1.
In some embodiments, referring to fig. 3 and 8, the limit stop lever 22 forms a flip angle 223 between the upright edge 221 and the axial edge 222, the limit stop lever 22 is configured to flip relative to the shaft body 1 around the flip angle 223, and it should be noted that, because the stop pin 41 is constrained by the tooth slot 43, the limit seat 21 will not shift along the axial direction of the shaft body 1 during the flip, only there is an elevating movement relative to the shaft body 1 due to the abutting action between the limit stop lever 22 and the shaft body 1, and the limit stop lever 22 rotates relative to the limit seat 21 around the hinge 23, so that the flip angle 223 will also slide relative to the shaft body 1 in the axial direction of the shaft body 1 during the flip.
Referring to fig. 7 and 8, assuming that the maximum distance between the hinge 23 and any point on the flip angle 223 is L3, in other words, the distance between the hinge 23 and the point on the flip angle 223 farthest from the hinge 23 is L3, so that L3 > L2, the stop bar 22 is raised and lowered first during the process of flipping from the upright state to the flat state, and accordingly, the stop pin 41 is raised and lowered first and then, the depth of the slot 43 is D, L3-L1 > D > L3-L2, referring to fig. 7 and 8, the distance between the hinge 23 and the shaft 1 is not more than L3 during the process of flipping, and the stop pin 41 reaches the highest point when the hinge 23 is L3.
By setting the stop pin 41 close to the bottom of the tooth groove 43 at the highest point, the stop pin 41 is still in the tooth groove 43 when the limit stop lever 22 is in the vertical state, namely the distance between the hinge piece 23 and the shaft body 1 is L2 because D is more than L3-L2; since L3-L1 > D, the stop pin 41 is lowered to the lowest point when the limit stop lever 22 is in a flat state, i.e. the distance between the hinge member 23 and the shaft body 1 is L1, and the stop pin 41 is separated from the tooth groove 43.
In some embodiments, the hinge 23 is a pin, and the flip angle 223 is rounded.
Referring to fig. 4, in some embodiments, two sets of stop pins 41 and stop racks 42 are disposed correspondingly, the two sets of stop pins 41 are distributed on two sides of the stop seat 21, and the two sets of stop racks 42 are distributed on two sides of the stop seat 21.
Referring to fig. 4, in some embodiments, the pre-tightening elastic member 3 is a compression spring, the lower end of the limiting seat 21 is provided with a limiting boss 211, the pre-tightening elastic member 3 is sleeved outside the limiting seat 21 and is abutted between the limiting boss 211 and the lower side of the shaft body 1, and the compression spring can always apply a downward acting force to the limiting boss 211 and ensure that the bottom of the limiting stop lever 22 is tightly abutted against the shaft body 1. A gasket 24 can be further arranged between the pre-tightening elastic piece 3 and the lower side of the shaft body 1, the gasket 24 is sleeved outside the limiting seat 21, and the gasket 24 is prevented from directly contacting the pre-tightening elastic piece 3 with the lower side of the shaft body 1.
Referring to fig. 3, in some embodiments, the shaft body 1 is vertically penetrated with an axial sliding hole 13 extending along the axial direction of the shaft body 1, the limiting seat 21 is disposed in the axial sliding hole 13, the limiting seat 21 is configured to be capable of sliding up and down relative to the axial sliding hole 13 and capable of sliding along the axial direction of the shaft body 1 when the stop pin 41 is separated from the stop rack 42 downward, and by setting the cross section of the area where the limiting seat 21 contacts with the axial sliding hole 13 to be square, the limiting seat 21 can be configured to be non-deflectable relative to the axial sliding hole 13 in a horizontal plane.
Furthermore, in some embodiments, two flanges 14 are respectively disposed on two axial sides of the shaft body 1, and the two flanges 14 respectively constrain two axial sides of the limit stop lever 22, so that the limit stop lever 22 can slide along the axial direction of the shaft body 1 relative to the flanges 14 when the stop pin 41 is separated from the stop rack 42 downward, and further, the limit stop lever 22 can be prevented from deflecting in a horizontal plane relative to the shaft body.
Referring to fig. 1, 2, 6 and 9, the present utility model further provides a coil rack, which includes a base 6 and a reel mechanism of the above embodiment, wherein the connection end 11 of the shaft body 1 is disposed on the base 6, and the coil rack has all the advantages brought by the reel mechanism, which will not be repeated herein.
Referring to fig. 2, in some embodiments, the base 6 includes a limiting portion 61 and a mounting groove 62 formed on the limiting portion 61, the connection end 11 of the shaft body 1 is inserted into the mounting groove 62, and the limiting portion 61 and the limiting bar 22 are respectively configured to restrict both sides of the tape roll 5.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present utility model, and these equivalent modifications or substitutions are included in the scope of the present utility model as defined in the claims.
Claims (12)
1. Reel mechanism, its characterized in that includes:
the shaft body horizontally extends along the axial direction and is provided with a connecting end and a discharging end in the axial direction;
the limiting and switching assembly comprises a limiting seat, a limiting stop lever and a hinging piece, wherein the limiting seat vertically penetrates through the shaft body, the limiting seat is arranged on the shaft body along the axial direction of the shaft body in a sliding manner and is positioned between the connecting end and the discharging end, the limiting stop lever is hinged to the upper end of the limiting seat through the hinging piece, two edges of the limiting stop lever, which are close to the hinging piece, are respectively provided with vertical edges and axial edges, the vertical edges can be abutted to the upper side of the shaft body and enable the axial direction of the limiting stop lever to be perpendicular to the axial direction of the shaft body, the axial edges can be abutted to the upper side of the shaft body and enable the axial direction of the limiting stop lever to be parallel to the axial direction of the shaft body, and the distance between the vertical edges and the hinging piece is larger than the distance between the axial edges and the hinging piece;
the pre-tightening elastic piece is arranged between the limiting seat and the shaft body, and the pre-tightening elastic piece applies downward acting force to the limiting seat;
the locking switching assembly comprises a stop pin and a stop rack, wherein the stop rack is arranged on the lower side of the shaft body, the stop rack extends along the axial direction of the shaft body and is provided with a plurality of tooth grooves with downward opening directions, the stop pin is arranged at the lower end of the limiting seat, when the vertical edge abuts against the upper side of the shaft body, the stop pin is restrained in any tooth groove to lock the limiting seat and the limiting stop rod at the axial position of the shaft body, and when the axial edge abuts against the upper side of the shaft body, the stop pin is separated from the stop rack downwards so that the limiting seat and the limiting stop rod can slide along the axial direction of the shaft body.
2. The reel mechanism according to claim 1, wherein the stopper rack is arranged with a plurality of tooth bodies, the tooth space is formed between two adjacent tooth bodies, the tooth bodies comprise straight tooth sections and guiding tooth sections which are sequentially connected from top to bottom, the longitudinal section of the guiding tooth section is gradually narrowed from top to bottom, and the lowest end is an end point.
3. Reel mechanism according to claim 2, characterized in that the longitudinal section of the guide tooth segment is rounded at the end points.
4. The reel mechanism according to claim 1 or 2, wherein the limit stop lever forms a flip angle between the upright edge and the axial edge, the limit stop lever being configured to be able to flip relative to the shaft body around the flip angle, a maximum distance between the hinge and any point on the flip angle being L3, a distance between the upright edge and the hinge being L2, a distance between the axial edge and the hinge being L1, a depth of the gullet being D, L3 > L2, L3-L1 > D > L3-L2.
5. The reel mechanism of claim 4, wherein the hinge is a pin and the flip angle transitions smoothly.
6. The reel mechanism according to claim 1 or 2, wherein two groups of stop pins and stop racks are respectively arranged correspondingly, two groups of stop pins are distributed on two sides of the limiting seat, and two groups of stop racks are distributed on two sides of the limiting seat.
7. The reel mechanism according to claim 1, wherein the pre-tightening elastic member is a compression spring, a limiting boss is arranged at the lower end of the limiting seat, and the pre-tightening elastic member is sleeved outside the limiting seat and is abutted between the limiting boss and the lower side of the shaft body.
8. The reel mechanism according to claim 7, wherein a spacer is provided between the pre-tightening elastic member and the lower side of the shaft body, and the spacer is sleeved outside the limiting seat.
9. The reel mechanism according to claim 1, wherein the shaft body is vertically penetrated with an axial slide hole extending in an axial direction of the shaft body, the stopper seat is provided in the axial slide hole, the stopper seat is configured to be slidable in an up-down direction with respect to the axial slide hole and to be slidable in the axial direction of the shaft body with the stopper pin being separated downward from the stopper rack, and the stopper seat is configured to be non-deflectable in a horizontal plane with respect to the axial slide hole.
10. The reel mechanism according to claim 1, wherein two flanges are respectively provided on both sides of the shaft body in the axial direction, and the two flanges respectively correspond to both sides of the limit stop lever in the axial direction and enable the limit stop lever to slide in the axial direction relative to the flange under the condition that the stop pin is separated from the stop rack downward.
11. A roll stand comprising a base and a reel mechanism according to any one of claims 1 to 10, the connecting end of the shaft being provided on the base.
12. The coil holder according to claim 11, wherein the base includes a limit portion and a mounting groove provided on the limit portion, the connection end of the shaft body is inserted into the mounting groove, and the limit portion and the limit bar are respectively configured to restrict both sides of the coil.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310669725.9A CN116374686B (en) | 2023-06-07 | 2023-06-07 | Reel mechanism and coil rack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310669725.9A CN116374686B (en) | 2023-06-07 | 2023-06-07 | Reel mechanism and coil rack |
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| CN116374686A true CN116374686A (en) | 2023-07-04 |
| CN116374686B CN116374686B (en) | 2023-08-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116922238A (en) * | 2023-09-19 | 2023-10-24 | 江苏效玄机电科技有限公司 | Aluminum welding wire removes oxide layer device |
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| Publication number | Publication date |
|---|---|
| CN116374686B (en) | 2023-08-18 |
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