CN102167216A - Guiding device for transmission band system - Google Patents

Abstract

The invention discloses a guiding device (120) for a transmission band system, which is used for fixing and guiding the bending part of a transmission band (110). The guiding device (120) comprises a rigid guiding rack (205) which is fixed to the guiding frame (130) of the transmission system (100). An articulated stand (220) is pivotally connected to the guiding rack (205) and is provided with a second roller (230). An elastic device (215) elasticity presses the articulated stand (220) to rotate, thereby an outer bending edge (140) of the transmission band (110) at a closing position of the guiding device (120) is fastened between the two rollers (225, 230). When the transmission band (110) moves, the two rollers (225, 230) rotate in an opposite direction to fasten the transmission band (110) to an appropriate position. The elastic device (215) adapts to the deformation and unevenness of the outer bending edge (140).

Description

The guide piece that is used for conveyer belt systems

Technical field

The present invention is about a kind of improved guide piece that is used for the sweep of and guiding transport tape fixing at conveyer belt systems.

Background technology

Be used for the sweep of transport tape is fixed and the guide frame that guides can have multiple design.These guide frames center on the periphery setting of crooked transport tape and are used for the transport tape stationary positioned, the transport tape stationary positioned of the bending that will expose particularly, and transport tape that should bending produces vertical with parallel displacement under by the effect of rotating the power that is produced.This guide frame must firmly clamp this crooked transport tape, so that it is avoided displacement and makes its outage.

Yet,, it is also important that these guide frames want to make the transport tape of bending easily to unclamp when changing transport tape for maintaining from its guide frame though need crash-resistant guide frame.Specifically, in technical application, a plurality of curved bel guide frames are to be fixed on the guide frame by helicitic texture, because each guide frame needs by hand screw thread to be outwarded winding, it is pretty troublesome therefore transport tape being separated with this guide frame.

Yet according to the 7232030th US Patent of bulletin in 2004, it has disclosed a kind of anchor fitting of quick releasable, and it can grip the crimp of transport tape.Because the unique texture of this anchor fitting need not serviceable tool and can open anchor fitting by hand so that this crimp and transport tape are separated.Equally, need not serviceable tool, also can anchor fitting be closed to lock this crimp by hand.This anchor fitting plays a part the transport tape stationary positioned not make it because of being subjected to the displacement of perpendicular or parallel ground of power in the turning process.This patent provides a kind of mounting bracket and a kind of pivot brackets that can be opened and closed by lever.When locking, this guide frame will guide transport tape securely.Therefore, this prior art is the distortion and the unevenness of incompatibility transport tape, thus this anchor fitting will the damage work potentially transport tape of a period of time.

Also can open guide frame fast so that easily unclamp transport tape for maintaining by the prior art that No. 5839570 and No. 2007/0272521 US Patent disclosed.Yet, these prior aries also and distortion and the unevenness of incompatibility transport tape when its each latched position, thereby the transport tape of a period of time that can damage work potentially.

The prior art of No. 6962252 US Patent that is awarded in calendar year 2001 disclose a kind of flexibility on underarm, to substitute erecting frame and pivot brackets.This mechanism is by control lever locking and unclamps.This can also allow transport tape easily to unclamp from guiding mechanism.Use flexiblesystem to mean that this mechanism is not damaged easily potentially owing to having crash-resistant pivoting device and framework in the prior art.

Therefore, a kind of particularly guide piece of the sweep of transport tape of transport tape that is used for just need be provided, transport tape can firmly be fixed and guide to this guide piece, simultaneously for maintaining or change belt and allow easily transport tape to be unclamped from its guide frame.

Summary of the invention

The present invention proposes a kind of simple in structure but crash-resistant transport tape guide piece, and this guide piece can be operated without instrument.This guide piece also provides the distortion and the uneven biddability of the convex edge that can adapt to transport tape, so that transport tape is moved and make transport tape have long whole of life smooth-goingly.

According to an aspect of the present invention, provide a kind of guide piece, this guide piece is used in position sweep fixing and the guiding transport tape, so that transport tape is subjected to perpendicular or parallel ground of the effect displacement of power can not turn because of it the time.This guide piece comprises the guiding trestle of an abundant rigidity, and this guiding trestle can be securely fixed on the guide frame of this conveyer belt systems.This guiding trestle has one can be around first roller of axle with respect to this guiding trestle rotation, and the convex edge of transport tape can be positioned on this first roller when being fixed on this guide frame with this guiding trestle of box lunch.An articulated stand is connected in this guiding trestle pivotly by roller pin, and can rotate pivotly around this roller pin.This articulated stand has one can be around second roller of axle with respect to this articulated stand rotation.One springing is connected in this guiding trestle with this articulated stand, rotates around roller pin to be elastically biased toward this articulated stand.This structure is arranged like this: on an off position of guide piece, the convex edge of this transport tape is fixed between this first roller and this second roller.In use, these two rollers sway with direction relative to each other when transport tape moves, and springing provides distortion and the uneven biddability that adapts to convex edge.And.This structure also is arranged to like this: to overcome the bias voltage of springing and this second roller and this first roller are separated, this guide piece is in an open position to articulated stand then by hand push.

In a preferred embodiment of the present invention, this guide piece comprises a blocking device, is used on open position this articulated stand releasably being locked with respect to guiding trestle.This feature is useful, can for example fix this guide piece for maintaining on open position, and simultaneously with transport tape from removing between two rollers or simultaneously transport tape being positioned between two rollers.

In one embodiment, this blocking device comprises an elastic rod, and this elastic rod has first end of a side that is connected in this guiding trestle.This elastic rod also has an outshot that matches with first hole of this guiding trestle.This articulated stand also comprises one second hole.When promote this articulated stand so that guide piece is shown in an open position in two holes mutually on time, this outshot also flexibly cooperates with second hole by first hole.This articulated stand releasably is self-locking on this open position then.This guide piece can leave this guiding trestle so that this outshot is extracted out by pulling out this elastic rod from this second hole, and is returned to off position under the bias voltage of this springing.This latch-up structure is simple, and part uses less and operation easily.

In a preferred embodiment, one forms a balance pivot by this roller pin with this springing and articulated stand and guiding trestle bonded assembly connecting device on this second side.A feature of enjoying like this makes this device compacter, thereby has reduced the part number.

In another preferred embodiment, this elastic rod also comprises a handle, is used for pulling out when extracting this outshot out this second hole this elastic rod.

In another preferred embodiment, this springing is a torsion spring that adopts usually.

According to a further aspect of the invention, method between two rollers that a kind of convex edge with transport tape is fastened on guide piece is proposed.This method may further comprise the steps: overcome the bias voltage of springing with the hand propelled articulated stand and guide piece is shown in an open position.Then, the convex edge of transport tape is positioned on first roller and with articulated stand unclamps to return closing appliance, so that this convex edge is fastened between two rollers.

When being provided with lockout mechanism, this method may further comprise the steps: promote articulated stand overcome springing bias voltage so that guide piece be shown in an open position, flexibly cooperate this second hole up to this outshot by this first hole, so that releasably articulated stand is being locked on this guiding trestle certainly on this open position.Then, the convex edge of this transport tape just is positioned on this first roller.With manually this elastic rod being pulled away from this second side, make this guide piece enter this off position thus, then so that this convex edge is fastened between these two rollers so that this outshot is extracted out from this second hole.After this, this outshot can be released so that only cooperate this first hole on this off position.

For the convex edge that makes transport tape unclamps, overcome the bias voltage of this springing so that this guide piece is in this open position with this articulated stand of hand propelled between these two rollers.Then, the convex edge that is positioned in the transport tape on this first roller is removed.When being provided with blocking device, with the hand propelled articulated stand overcome springing bias voltage so that guide piece be shown in an open position, cooperate with second hole by first hole up to outshot, so that releasably articulated stand is being locked onto on the guiding trestle on the open position.And then, the convex edge that is positioned in the transport tape on first roller is removed.

Because adopt for example torsion spring of springing, this articulated stand is not to be fixed on this guiding trestle.Owing to adopt this conveyer belt systems of this spring can have the characteristics of being obedient to, this for adaptation work any distortion and the unevenness of transport tape of a period of time will be favourable.

Because the part number reduces, make for purposes of the invention also than being easier to, thereby manufacturing cost and maintaining cost are reduced.These basic paries just comprise a guiding trestle with one first roller, have an articulated stand of one second roller, a torsion spring and an elastic rod

These two rollers firmly grip the crimp of transport tape.This clamping can be with manually unclamping so that convex edge and belt are removed, for example for maintaining.Equally, this transport tape can be inserted between these two rollers and need not serviceable tool and can clamp firmly.

This articulated stand is with respect to the self-locking feature of guiding trestle and only by pulling out very little manual force and the little time of feature needs that elastic rod can unclamp on open position.

The present invention have definite novel features and in the accompanying drawings shown in and part hereinafter that will be described in detail and that in appended claims, particularly point out combination; Be appreciated that the various variations on detail are fine, these change all sacrifices any advantage of the present invention within the scope of the invention or not.

Description of drawings

All identical labels are represented identical parts in the accompanying drawings.These accompanying drawings also not exclusively proportionally illustrate, and emphasis is to be diagram principle of the present invention.When in conjunction with following detailed description, will be known more fully when appended claims and accompanying drawing are considered and be understood various embodiments of the present invention and advantage.Wherein:

Fig. 1 is the birds-eye view of the sweep of the transport tape in the conveyer belt systems, and wherein the convex edge of transport tape is fixed by the guide piece of a plurality of prior aries and guided.

Fig. 2 a is the three-dimensional view of a guide piece of one embodiment of the invention.

Fig. 2 b is the exploded perspective view of each part before assembling that the guide piece shown in Fig. 2 a is shown.

Fig. 3 a is when seeing from first side of guiding trestle and the lateral plan of guide piece guide piece shown in Fig. 2 a when in the closed position

Fig. 3 b be when see from second side of guiding trestle and Fig. 2 a of guide piece when in the closed position shown in the lateral plan of guide piece.

Fig. 4 a is when seeing from first side of guiding trestle and the lateral plan of guide piece guide piece shown in Fig. 2 a when being shown in an open position.

Fig. 4 b is when seeing from second side of guiding trestle and the lateral plan of guide piece guide piece shown in Fig. 2 a when being shown in an open position.

Fig. 5 is the three-dimensional view of the elastic rod of an embodiment.

Fig. 6 is the open position of guide piece and the scheme drawing of off position.

The specific embodiment

The following description has enough described a plurality of preferred embodiment of the present invention in detail, to enable those skilled in the art to make according to this and use the present invention.

Before describing embodiments of the invention in detail, it should be noted that all figure are all just in order to describe basic announcement of the present invention easily.Those skilled in the art read with understood following teaching content of the present invention after the number of the part of relevant preferred embodiment in the accompanying drawing as can be known, the position, the extension variation of interrelation and size should be in the scope that those skilled in the art are familiar with.And those skilled in the art meet specific power as can be known in reading with after having understood following teaching content of the present invention, weight, and intensity and the accurate dimension and the dimension scale that similarly require should be in the scope that those skilled in the art are familiar with equally.

Fig. 1 is the birds-eye view of the sweep of the transport tape 110 in the conveyer belt systems 100 of a prior art.For the sweep of in position going up fixing and guiding transport tape 110 is subjected to power and produces horizontal or vertical displacement in the turning process not make transport tape, a plurality of guide piecees 120 have been used.Each guide piece 120 can be fixedly secured on a guide frame 130 of conveyer belt systems 100.It is fastening that a convex edge 140 of transport tape 110 is directed to device 120.

Fig. 2 a is the schematic perspective view of the guide piece 120 of one embodiment of the present of invention, and each parts of this guide piece 120 are shown in Fig. 2 b.As shown in the figure, this guide piece 120 has a guiding trestle 205 that the rigidity of one first roller 225 is arranged, this first roller 225 can with the perpendicular plane of this guiding trestle 205 on rotate.When guiding trestle 205 was fixed on the guide frame 130, a convex edge 140 can be positioned on this first roller 225.One articulated stand 220 is pivotally mounted on the first side 290a of guiding trestle 205 by a roller pin 310, and can rotate pivotly around this roller pin with respect to guiding trestle 205.This roller pin 310 pass articulated stand 220 and guiding trestle 205 both.This articulated stand 220 has one second roller 230, this second roller 230 can with the perpendicular plane of this articulated stand 220 on rotate.One springing 215 is connected in this guiding trestle 205 with articulated stand 220 and rotates around this roller pin 310 to be elastically biased toward articulated stand 220.This guiding trestle 205 and articulated stand 220 are parallel to each other in an illustrated embodiment.These two supports can be made any shape as long as this shape can play same effect.According to one embodiment of present invention, Fig. 2 b also illustrates the connecting device 260a-f of standard, nut for example, pin and bolt etc., they are used for springing is connected with guiding trestle 205 with articulated stand 220, and first roller 225 is connected with guiding trestle 205, and second roller 230 is connected with articulated stand 220, guide piece 120 is connected with guide frame 130, and is used for this springing is installed with guiding trestle 205.Other the bonded assembly arrangement structure that is used for also is fine.

Fig. 3 a sees and the lateral plan of the guide piece shown in Fig. 2 a when guide piece is in the closed position as the first side 290a from guiding trestle.And Fig. 3 b is the lateral plan that this second side 290b sees similarly.Arrangement structure is such: the convex edge 140 at transport tape 110 on the off position of guide piece 120 is to be fastened between first roller 225 and second roller 230, so in use when transport tape 110 moves, two rollers 225,230 sway in mutual relative direction, and springing 215 provides distortion and the uneven biddability that adapts to this convex edge 140 simultaneously.

Fig. 4 a sees and the lateral plan of the guide piece shown in Fig. 2 a when guide piece is shown in an open position as the first side 290a from guiding trestle.Fig. 4 b is the lateral plan of seeing from the second side 290b similarly.Arrangement structure is such: this articulated stand 220 can manually promote to overcome the bias voltage of springing and second roller 230 and first roller 225 are separated, and this guide piece is shown in an open position then.Can be provided with a blocking device, be used at open position, for example when maybe this convex edge being positioned at two rollers 225,230 between from removing between two rollers 225,230 belt 110, guiding trestle 205 releasably locks articulated stand 220 relatively.Otherwise this articulated stand need be by manually being fixed on open position, and this is very inconvenient.

According to an embodiment, this blocking device 415 comprises that one is fixed on elastic rod 210 on the appropriate location by a balance pivot 320 on the second side 290b of guiding trestle, and the first side 290a is the relative both sides of guiding trestle 205 with the second side 290b.Now referring to Fig. 2 b, as can be seen from the figure the free end 330 of elastic rod 210 can move towards the second side 290b or with this second side 290b with replying mutually dividually.Near this free end 330, this elastic rod 210 also has an outshot 235 in the face of the second side 290b, to match with first hole 240 on guiding trestle 205, as shown in Fig. 2 a and Fig. 2 b.Articulated stand 220 also comprises one second hole 245, when first hole 240 be aligned with each other with second hole 245 and simultaneously articulated stand 220 by hand propelled so that guide piece 120 when entering this open position this outshot 235 further match with this second hole by this first hole 240.Articulated stand 220 just releasably is self-locking on this open position like this.By manually elastic rod 210 being pulled out so that this outshot 235 is extracted out from second hole 245 from the second side 290b, this guide piece 120 can turn back to closing appliance by springing 215.

The more satisfactory connecting device 260a that shares of guide piece is connected with articulated stand 220 springing 215 by roller pin 310 with guiding trestle 205, to form this balance pivot 320 on the second side 290b.Adopt such arrangement structure, just can avoid having a balance pivot that is used for elastic rod 210 that separates, thereby structure can be compact more.

In a preferred embodiment, guide piece 120 can comprise a handle 250 on this elastic rod 210, be used for when with outshot 235 when extract out in second hole 245 and pull out this elastic rod 210, as shown in Figure 5.Fig. 5 illustrates the elastic rod 210 of an embodiment, is clearer demonstration, outshot shown in the figure 235 and handle 250.

Hereinafter with reference to Fig. 3 a-Fig. 3 b, Fig. 4 a-Fig. 4 b and Fig. 6 are elaborated.Fig. 6 shows the position of open position (dotted line) and the off position (solid line) and the transport tape 110 of guide piece 120.Be fastened on for the convex edge 140 with transport tape 110 between two rollers of guide piece 120, this articulated stand can overcome the bias voltage of springing 215 and guide piece 120 is shown in an open position with hand propelled.When unclamping articulated stand 220 with before returning off position, the convex edge 140 of transport tape 110 just is positioned on first roller 225, and convex edge 140 just is fastened between two rollers 225,230 like this.

When being provided with a lockout mechanism, this articulated stand is pushed and overcomes springing 215 so that guide piece 120 enters open position, also can match with second hole up to this outshot 235 that matches with first hole 240, on this open position articulated stand 220 releasably is being locked on this guiding trestle certainly with replying.This convex edge 140 of transport tape 110 just is positioned on first roller 225 then.Elastic rod 210 is manually pulled out from second side 245 then, to extract outshot 235 out and to make guide piece 120 enter off position from second hole 245, so that convex edge 140 is fastened between two rollers 225,230.This outshot is released then, only to match with first hole 240 when on off position.

For the convex edge 140 with transport tape 110 unclamps between two rollers 225,230 of transport tape 120, these articulated stand 220 usefulness hand push overcome the bias voltage of springing 215 and make guide piece 120 enter open position.The convex edge 140 that is positioned in the transport tape 110 on first roller 225 is removed then.When being provided with locking system, articulated mounting 220 is overcome the bias voltage of springing 215 and makes guide piece 120 enter open position by hand push, also matches at open position articulated mounting 220 is releasably locked onto on the guiding trestle with second hole up to the outshot 235 that matches with first hole 240.The convex edge that is positioned in the transport tape 110 on first roller 225 is removed then.

About the further discussion to use of the present invention and operating mode, these contents should be known from above explanation and understand.Thus, the further discussion about use and operating mode will not provide.

Though described in detail and introduced preferred embodiments more of the present invention in order to illustrate the above-mentioned explanation of purpose of the present invention, the person skilled in the art it will be appreciated that and can make many variants and modifications on specific design under the situation of the present invention defined in claim.Scope of the present invention is limited by appended claims, and all should be included in the present invention in implication that is equal to of claims and the whole changes in the scope.

Claims (10)

1. a guide piece (120), be used for fixing and guide have on the edge crimp transport tape (110) and pass through on the sweep of this guide piece in its operation, so that transport tape can be because of vertically stressed or on even keel displacement, this guide piece comprises:

One guide frame (130);

The guiding trestle of one rigidity (205), it is fixed on this guide frame (130);

One articulated stand (220), (290a 290b) goes up and can rotate relative to this guiding trestle (205) to be pivotably mounted on the side of this guiding trestle (205); And

Pair of rolls (225,230), one of them is installed in that guiding trestle (205) is gone up and another is installed on the articulated stand (220), and can pivot and can rotate on the perpendicular plane of the support of installing with them (205 or 220);

It is characterized in that:

One springing (215), be connected in this guiding trestle (205) to be elastically biased toward this articulated stand (220) so that two rollers (225,230) enter with the convex edge (140) of transport tape (110) both sides and contact, so transport tape (110) is sandwiched between two rollers (225,230) to regulate the unevenness of transport tape (110).

2. guide piece according to claim 1 (120) is characterized in that also comprising a blocking device (415), is used for locking this articulated stand (220) with respect to guiding trestle (205) when on an open position.

3. guide piece according to claim 2 (120) is characterized in that this blocking device (415) comprising:

One a side (290a, 290b) balance pivot on (320) at this guiding trestle (205);

One is pivotally secured in the elastic rod (210) on this balance pivot (320);

One free end (330) of this elastic rod (210) can move towards this guiding trestle (205) or with this guiding trestle (205) with replying dividually;

One first hole (240) on this guiding trestle (205);

One second hole (245) on this articulated stand (220); And

Outshot (235) near this free end (330), this outshot (235) matches with this first hole (240), and when two holes (240,245) be aligned with each other and when promoting this articulated stand (220) simultaneously and making guide piece (120) enter this open position by further matching in this first hole (240) with this second hole (245);

Thus, releasably be locked on this guiding trestle (205) certainly at this articulated stand (220) on this open position, under the bias voltage of springing (215), this guide piece (120) can turn back to an off position so that this outshot (235) is extracted out from this second hole (245) by elastic rod (210) being pulled out this guiding trestle (205).

4. guide piece according to claim 3 (120), it is characterized in that a connecting device (260a) is connected with this articulated stand (220) this springing (215) by a roller pin (310a) with this guiding trestle (205), to form this balance pivot (320).

5. guide piece according to claim 3 (120) is characterized in that also comprising a handle (250) on this elastic rod (210), is used for when this outshot (235) is pulled out this elastic rod (210) when extract out in this second hole.

6. guide piece according to claim 1 (120) is characterized in that this springing (215) is a torsion spring.

7. the convex edge with transport tape (110) (140) is fastened on the method between two rollers (225,230) of guide piece (120) of claim 1, and this method may further comprise the steps:

Overcome the bias voltage of this springing (215) and make this guide piece (120) be in this off position with this articulated stand of hand propelled (220);

The convex edge (140) of this transport tape (110) is positioned on this first roller (225); And

Unclamp this articulated stand (220) to turn back to this off position, so that this convex edge (140) is fastened between these two rollers (225,230).

8. the convex edge with transport tape (110) (140) is fastened on the method between two rollers (225,230) of guide piece (120) of claim 3, and this method may further comprise the steps:

Promote this articulated stand (220) and overcome the bias voltage of this springing (215) so that this guide piece (120) enters into this open position, can match with this second hole (245) by first hole (240) on this open position up to this outshot (235), so that releasably this articulated stand (220) is locked on this guiding trestle (205) certainly with replying;

The convex edge (140) of this transport tape (110) is positioned on this first roller (225);

Manually this elastic rod (210) is gone out this outshot (235) is extracted out from this second hole (245) and made this guide piece (120) enter into this off position from this second layback, so that this convex edge (210) is fastened between these two rollers (225,230); And

Unclamp this outshot (235), be used for only matching when on this off position with this first hole (240).

9. convex edge (a 140) Accessory Right that makes transport tape (110) requires the method for unclamping between two rollers (225,230) of 1 guide piece (120), and this method may further comprise the steps:

Overcome the bias voltage of this springing (215) so that this guide piece (120) is in this open position with this articulated stand of hand propelled (220); And

This convex edge (140) that will be positioned in the transport tape (110) on this first roller (225) is removed.

10. convex edge (a 140) Accessory Right that makes transport tape (110) requires the method for unclamping between two rollers (225,230) of 3 guide piece (120), and this method may further comprise the steps:

Overcome the bias voltage of this springing (215) so that this guide piece (120) enters into this open position with hand propelled articulated stand (220), match with this second hole (245) by this first hole (240) up to this outshot (235), so that on this open position this articulated stand (220) releasably is being locked on this guiding trestle (205) certainly; And

This convex edge (140) that will be positioned in the transport tape (110) on this first roller (225) is removed.

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