CN1205298A

CN1205298A - Guide rail splice

Info

Publication number: CN1205298A
Application number: CN 98102606
Authority: CN
Inventors: 迈克尔·T·巴特勒
Original assignee: Rexnord LLC
Current assignee: Zurn LLC
Priority date: 1997-07-14
Filing date: 1998-06-16
Publication date: 1999-01-20

Abstract

A rail splice used for connecting butt ends of a conveyor guide rail comprises a metal groove-shaped component and a plastic insertion component arranged therein, wherein said plastic insertion component is used for jointing the transported product and the metal groove-shaped component has a central part and a pair of side parts with a first acute angle extending inwards from the central part. Said rail splice comprises a first part and a second part which are fastened to a butt end of a guide rail section through a fastener with a screw thread mounting at a bolt with a screw thread.

Description

Guide rail splice

The present invention relates to conveying machinery, particularly the connecting panel of conveying machinery guide rail.

Conveying machinery generally comprises the belt or the chain of a motion, and product is transported to another ground thereon from a ground.Guide rail is provided with along the side of belt that moves or chain, to keep the unlikely in transit side that drops to conveyer of this product.

Guide rail is generally by the registration device of rigidity, or support or guide rail bracket are contained on the conveyer.Guide rail is made by various material, has different shape.Have a kind of design of guide rail to comprise the Plastic Parts of an extruding, it is arranged in the support of a flute profile steel or stainless steel.Troffer comprises core and sidepiece, and sidepiece slopes inwardly so that clamp the side of plastic insertion piece, and is convenient to clamp guide rail so that be installed on the conveyer.Guide rail should have certain intensity and rigidity so that can resist because the side loads that the product delivery pressure is caused also should have enough ductility, so that bend to different shape, thereby meets the layout of transport systems.

Such guide rail manufactures ten to 20 feet long usually.Its result, guide rail section must connect in the junction or link together with connecting panel, so that form a continuous guide track system, unobstructed guiding is provided for the transportation of product.In the past, such joint is fastened on the force fit connecting panel of rail back or the support by welding or screw usually and forms.The force fit connecting panel is normally unsafty, because when product fluctuates, they can not apply enough power guide rail section is kept together.And owing to there is sizable vibration in transport systems, this will make the guide rail splice vibration separate.Its result, the joint between the guide rail of two butt joints usually separates, cause product damage, fall or lose.

With the stay bearing plate or the threaded insert clamping rail joint of welding, not only labour intensity is big, and costs an arm and a leg.

One object of the present invention just provides a kind of later-model improved conveyor track connecting panel.

Another object of the present invention provides a kind of conveyor track connecting panel with enough fastening strength, prevent rail end under product load separately.

Another object of the present invention provides a kind of easy-on conveyor track connecting panel.

A further object of the invention provide a kind of can be because of the loosening conveyor track connecting panel of vibration.

Detailed description in conjunction with the drawings, these and those purposes of the present invention can be more clear.

In general, the present invention includes a connecting panel, be used to connect the butt end of conveyor track, it has a metal channel and the plastic insertion piece in this channel, plastic insertion piece is used to engage the product that betransported, wherein the metal channel comprises a core and a counter-lateral quadrents, and sidepiece extends internally from central division with first acute angle.Connecting panel comprises: first that bottom and sidepiece are arranged, and sidepiece slopes inwardly from the bottom with second acute angle, to limit inside face and outside face; With second with bottom and sidepiece, sidepiece is sloped inwardly by the bottom with the 3rd acute angle, to limit inside face and outside face.Be provided with securing device, be the butt end that is fastened to guide rail section with first and second.One of at least the second and the 3rd acute angle is less than first acute angle, makes that first and second sidepiece tightly clamps channel when securing device tightens.

Below accompanying drawing is carried out brief description, in the accompanying drawing:

Fig. 1 is a transparent view, shows a part that has with the conveyer of the preferred connecting panel bonded assembly of the present invention guide rail;

Fig. 2 is the transparent view of the preferred guide rail splice of the present invention;

Fig. 3 is the birds-eye view of a guide rail splice part shown in Figure 2;

Fig. 4 is a section-drawing of taking from 4-4 line among Fig. 3.

The preferred embodiments of the present invention are described below.

Fig. 1 illustrates the part of conveyer 10, comprises the preferred guide rail splice of the present invention.Conveyer 10 comprises a framework 14, supports the conveyer belt or the chain 16 that are used for shipping products, and conveyer belt or chain can adopt any suitable belt or chain, and the chain of using in the example of explanation 16 has a plurality of chain links 18, only illustrates two among the figure.Chain link is coupled to each other by the link pin (not shown) at their two ends.Chain 16 is driven by a chain drive mechanism and moves on rail brackets, and this chain drive mechanism and sprocket wheel and power end (not shown) couple, and it is also supported thereon that guide rail 20 is being close to chain 16 relative side, and the product that prevents to be transferred is by falling on the conveyer 10.Because conveyor frame 14, chain 18 and chain driver are used always, do not discussed at this for simplicity's sake.Graphic conveyer 10 illustrates as an example, should be understood that the present invention also can use on the other forms of conveyer.

Guide rail 20 comprises long elements, and these parts can be ten or 20 feet long.A connecting panel 30 according to the preferred embodiment of the invention is connected to form a continuous guide rail with ten or 20 feet long guide rail section butt ends.

Guide rail 20 more specifically is shown in Fig. 2-4, comprises a metal channel 32 that central part 34 and sidepiece 36 are arranged, channel 32 can be made by suitable material according to its application, as steel or stainless steel.The sidepiece 36 of channel 32 extends internally, and makes their inside face and the inside face of central part 34 form an acute angle b.

Guide rail 20 also comprises a plastic insertion piece 38 that stem 40 is arranged, the inside face complementation of the outside face of stem and channel 32, and the contour structures of head 42 is to engage with the product that will transport.The profile of head 42 is by the hope exposure level decision of 38 of shipping products and plastic insertion pieces.Provide minimum contact in circular profile structure shown in Figure 4, and face flat or that stretch provides bigger contact.Insert 38 is normally made by a kind of High molecular material, provides minimal friction forces to shipping products.

Connecting panel 30 comprises that one has bottom 46 and first 44 of sidepiece 48, the sidepiece angle that slopes inwardly, and this angle equals or is slightly smaller than the central part of channel 32 and the angle b that sidepiece forms.A pair of threaded shank 50 is stretched out from the bottom vertical of part 44 in isolated mode in parallel to each other.

Connecting panel 30 comprises that also one has the second metal channel 52 of bottom 54 and sidepiece 56.The angle that forms between bottom 54 and sidepiece 56 inside faces equals an angle a, and this angle is less than the angle b that forms between the center of channel 32 and sidepiece inside face.The bottom 54 of part 52 has pair of openings 58, and opening 58 is a bit larger tham the diameter of bolt 50, and separates a distance, and this distance equals the distance of 50 on bolt, makes part 52 can be contained on the part 44, and bolt passes hole 58.Nut 60 screw thread on bolt 50 is installed.

In assembling, as shown in Figure 3, connecting panel 30 is placed on the joint 62 between the butt end of pair of

guide rails section

20a and 20b superimposedly.Nut 60 is tightened then, and thrust makes the bottom 46 of the bottom 54 of part 52 near part 44.Because the interior angle a of part 52 is less than the center of guide rail 20 and the interior angle b of sidepiece formation, the sidepiece of part 52 inwardly is pressed on the side of guide rail, forms firm grip and engages.

Best, joint 62 is positioned at the center of connecting panel 30, makes clamping action basically identical on two guide rail section 20a and 20b.When last jack panel 60, a load is added to the bottom 54 of part 52, and thrust makes

bottom

54 and 46 be in parallel relation.When this took place,

part

44 and 52

sidepiece

48 and 56 drew respectively towards each other, and

guide rail section

20a and 20b are clamped.This is a green phase for angle surface separately, and the relative positioning in bolt 50 and hole 58 realizes, and this makes produce an effect that steps up between part 44 and 52.Connecting panel 30 is fixed firmly on the abutment joint between

guide rail section

20a and 20b 62.Because part 44 is bigger than the section thickness of guide rail channel 32, step up the

effect meeting part

44 and 52 and the sidepiece of channel 32 in any one or all deform.This not only forms the cooperation of an alignment, and cooperation has added pressure in advance.This precompressed compression can reduce any vibration that is delivered to guide rail 20 from the product that is transferred better, thus prevent in time passing and loosening tendency.

Connecting panel is easy to install according to the preferred embodiment of the invention, reduces built-up time.This assembling can be carried out like this, and connecting panel 30 is contained on the guide rail, on 20a, then, inserts another guide rail 20b, perhaps, constitutes abutment joint 62 between guide rail section, adds upper junction plate then.Because connecting panel 30 is directly to be contained on the joint 62, connecting panel 30 can be used as the instrument of alignment, makes guide rail 20 continuously with level and smooth.

Though only a simple embodiment of the present invention is illustrated and illustrate that this is not qualification of the present invention, claim only of the present invention is made qualification to scope of the present invention.

Claims

1. a connecting panel is used to connect conveyor track, and guide rail has a counter-lateral quadrents, and sidepiece stretches out from central division with one first jiao;

Connecting panel comprises: one first, it has a bottom and a sidepiece, and sidepiece slopes inwardly with respect to the bottom with one second jiao; With one second, it has bottom and a sidepiece of a complementation, and sidepiece slopes inwardly with a third angle;

At least the second and one of third angle be less than first jiao, described second and third angle in another equal described first jiao at least substantially;

Fastening device on described first and second makes described first and second bottom be moved among the engage pressure, tightens described first and second sidepiece, thereby the guide rail of a pair of butt joint is clamped.

2. connecting panel according to claim 1 is characterized in that, described first, second and third angle are acute angles.

3. connecting panel according to claim 2 is characterized in that, described fastening device comprises: at least one microscler threaded of stretching out from described first bottom; Opening in second bottom, described opening hold described threaded; With a threaded fastener, be contained on threaded, second bottom is pushed to first bottom.

4. connecting panel according to claim 3, it is characterized in that, be connected plate bonded assembly guide rail and comprise a metal channel, it has a sidewall and a plastic insertion piece between described sidewall, described first and second is metal, when described second bottom was pushed to first bottom, distortion one of among described at least sidewall and described first and second was so that described connecting panel is subjected to precompressed compression.

5. connecting panel according to claim 1 is characterized in that, described securing device comprises: at least one stretches out from described first bottom microscler threaded; Opening in second bottom is adorned described threaded in the described opening; With a threaded fastener, be used to be contained in threaded, second bottom is pushed to first bottom.

6. connecting panel according to claim 1, it is characterized in that, be connected plate bonded assembly guide rail and comprise a metal channel, the plastic insertion piece that it has sidewall and packs between described sidewall, described first and second is metal, when described second bottom was pushed to first bottom, distortion one of among described at least sidewall and described first and second made described connecting panel be subjected to precompressed compression.

7. the combination of the conveyor track section of a pair of butt joint and a connecting panel, described guide rail section have a metal channel and a plastic insertion piece, described channel have a pair of from the middle part with first jiao of sidepiece that stretches out;

Connecting panel comprises: one first, it has a bottom and a sidepiece, and sidepiece slopes inwardly and one second with respect to the bottom with one second jiao, and it has bottom and a sidepiece of a complementation, and sidepiece slopes inwardly with a third angle;

8. connecting panel according to claim 7 is characterized in that, described the first, the second and third angle be acute angle.

9. connecting panel according to claim 8 is characterized in that, described fastening device comprises: at least one stretches out from described first bottom microscler threaded; Opening in second bottom is adorned described threaded in described opening; With a threaded fastener, be used to be contained in threaded, second bottom is pushed to first bottom.

10. connecting panel according to claim 9, it is characterized in that, be connected plate bonded assembly guide rail and comprise a metal channel, the plastic insertion piece that it has sidewall and packs between described sidewall, described first and second is metal, when described second bottom was pushed to first bottom, distortion one of among described at least sidewall and described first and second made described connecting panel be subjected to precompressed compression.

11. connecting panel according to claim 1 is characterized in that, described securing device comprises: at least one stretches out from described first bottom microscler threaded; Opening in second bottom is adorned described threaded in the described opening; With a threaded fastener, be used to be contained in threaded, second bottom is pushed to first bottom.