CN2611664Y

CN2611664Y - Roller structure able to automatically compensating gap

Info

Publication number: CN2611664Y
Application number: CN 03242840
Authority: CN
Inventors: 赖金森
Original assignee: XINGYUN COMPUTER CO Ltd
Current assignee: XINGYUN COMPUTER CO Ltd
Priority date: 2003-04-01
Filing date: 2003-04-01
Publication date: 2004-04-14
Anticipated expiration: 2013-04-01

Abstract

An idler wheel structure with function of automatic adjusting and compensating clearance includes a bolt, an elastic adjusting device, an idler wheel, and a spacing sleeve. The spacing sleeve, the idler wheel, and the elastic adjusting device are covered on the bolt column, locked to a stage via a trajectory piece. Wherein wheel face of the idler wheel is provided with a track gutter, inner of a central hole matched with a bearing. The elastic adjusting device is formed by a spring which is provided the two terminals with a space limited sheath with holes for each, one sheath pressed to the idler wheel, the other sheath pressed to the bolt head. Screwing the bolt tightly to press the spring to one side of the idler wheel can automatic adjust and compensate the abrasion clearance between the idler wheel and the track.

Description

Automatically transfer the roller structure of mending the gap

Technical field

The utility model relates to a kind of roller structure that can transfer the automatic accent benefit gap of mending the gap that roller and track given birth to because of wearing and tearing automatically, is suitable for being applied in the printer, YAG Laser Processing Equipment for Surface Treatment YAG or the similar structure that are provided with track.

Background technique

Take a broad view of plotter, printer and YAG Laser Processing Equipment for Surface Treatment YAG etc., it utilizes technology comparatively close, all be that a print head (engraving member) is installed on the track, move left and right by print head (engraving member), with the front and back slippage of paper (being carved part), allow data (pattern) can print (delineation) on paper (being carved part).

As shown in Figure 1, it is the YAG Laser Processing Equipment for Surface Treatment YAG linear slide rail commonly used of prior art, carry a moving smooth running in order to allow, so orbit Design has adopted two-tube configuration, and moving roller A1, A2, A3, A4 and A5 also select the high steel wheel of precision for use, to increase wear-resistant increasing the service life, only because of each the selection of material precision height partly, so the cost of whole group improves relatively, and complex structure is making up, is being difficult for when overhauling proofreading and correct and adjusts.

In addition, in fact, no matter this steel wheel A1, A2, A3, A4 and A5 are to place in the track B, or be located at outside the track B, when carrying out action, all can decrease and wipe with track B, give birth to the gap because of repeating contact wear, the gap is in case generation can't be adjusted gap voluntarily, steel wheel A1, A2, A3, A4 and A5 are rocked, processing is caused great error, so undesirable.

This novel content

The purpose of this utility model is the defective that overcomes above-mentioned prior art, provides a kind of automatic accent to mend the roller structure in gap, and this roller can be transferred automatically and mend roller and the gap of interorbital because of wearing and tearing and being given birth to.

Secondary objective of the present utility model provides and does not a kind ofly increase cost, and the roller structure in gap mended in the automatic accent that roller can not produced rock.

For reaching above-mentioned purpose, the roller structure that the gap mended in automatic accent provided by the utility model comprises: a bolt, a flexible adjustment device, a roller and a separation sleeve; This separation sleeve, roller and flexible adjustment device are to be sheathed on the double-screw bolt, and use on board by a track lamellar body interlocking.Wherein the wheel face of this roller is provided with the rail ditch, be equipped with bearing in the center hole, this flexible adjustment device is provided with spacing sheath with holes by a both ends of the spring and is constituted, one sheath and roller support and establish, another sheath is against bolt head, screw bolt and compress a side of roller, and can reach the wearing clearance that roller and track mended in automatic accent with spring.

Other characteristics of the present utility model and specific embodiment can further be understood in the detailed description of following conjunction with figs..

Description of drawings

Fig. 1 is the steel wheel and the track schematic representation of traditional usefulness;

Fig. 2 is the utility model embodiment's an assembly exploded view;

Fig. 3 is the floor map that the track lamellar body of the utility model combination uses;

Fig. 4 is the schematic representation of the actual user mode of the utility model;

The local enlarged diagram of Fig. 4 A the 4th figure;

Fig. 5 is the partial cutaway diagrammatic sketch of the 4th figure.

The figure number explanation

A1～A5, steel wheel B, track

10, bolt 11, bolt head

20, flexible adjustment device 21, spring

22, sheath 23, sheath

30, roller 31, half wheel

32, bead 33, bearing

35, separation sleeve 40, track lamellar body

41, box body 42, first lamellar body

43, second lamellar body 44, laser switching device

45, first fin 46, second fin

47, parallel rib 48, cut open the hole

50, gas blow pipe 55, track

Embodiment

Please join Fig. 2, the utility model comprises that mainly a bolt 10, a flexible adjustment device 20, a roller 30 and a separation sleeve 35 form; Wherein this flexible adjustment device 20 is provided with a spring 21, and two ends of spring 21 respectively are provided with a

central pertusate sheath

22,23.

This roller 30, by two independently 31 pairs of half wheel bodys form, this half wheel body 31 is to be set as cone, before and after the cone conical surface, be equipped with the short bead 32 of extending along the footpath, 2 half wheel bodys 31 can select for use special nylon alloy steel of SNC or identical wear-resistant material to make to increase endurance again, and cone central authorities are provided with the penetration hole of a tool class, are equipped with bearing 33 in this penetration hole.

This separation sleeve 35 is one to be provided with the short column of central perforation.

During enforcement, in regular turn flexible adjustment device 20, roller 30 and separation sleeve 35 are set on the bolt 10, and 2 half wheel bodys 31 of forming roller 30 are to be set in bolt in the mode that upper flange 32 is docked, again bolt 10 is locked on track lamellar body 40 in the lump together with the flexible adjustment device 20 on it, roller 30 and separation sleeve 35, make a sheath 22 of flexible adjustment device 20 be resisted against screw terminal 11, another sheath 23 is resisted against roller 30, and the elastic force of mat spring 21 compresses, and makes 2 half to take turns 31 and can transfer the gap of mending between the two automatically.

General track lamellar body 40 is to be provided with screw for screwing togather above-mentioned bolt 10 at four corners, and track lamellar body 40 other faces are provided with a hollow box body 41, this preferred embodiment is to be the example explanation with the YAG Laser Processing Equipment for Surface Treatment YAG, please referring to Fig. 3, the top is provided with a laser switching device 44 in the box, and laterally be provided with several pieces first lamellar bodies 42 with holes in the box, second lamellar body 43, make box body separate into several interlayers, wherein the two side of one deck is provided with the non-first contour fin 45 and second fin 46, tilt to put for an eyeglass, and another layer two side is provided with plural parallel ribs 47 relatively, put for another eyeglass positioning, the box body lower box wall is provided with and cuts open hole 48 again, for joining knot one gas blow pipe 50 (shown in Fig. 4 A), so that the heat radiation of laser processing to be provided.

Please be simultaneously referring to Fig. 4,4A and Fig. 5, in establish laser switching device 44 track lamellar body 40 be by roller 30 left side on track 55, right slippage, after permanent the use, can give birth to the gap because of friction between traditional roller and the track, if right roller of the present utility model 30 is when producing gaps with track 55, the spring 21 of this flexible adjustment device 20 is upheld because of the generation in gap, so this sheath 22 is resisted against bolt head 11 motionless, and sheath 23 is resisted against half wheel body 31, if gapped generation between 2 half wheel bodys 31, this spring 21 has the space of extension to extend forward at once, 2 half wheel bodys 31 can be maintained again under the situation of originally not having the gap generation use, make the laser switching device 44 that track lamellar body 40 is carried not have the situation of rocking.

As from the foregoing, structure provided by the utility model has following practical advantage:

1, constituent components is succinct, and this flexible adjustment device is can transfer automatically to mend between roller and the track, because of permanent gap of using friction to give birth to.

2, the gap adjustment between roller and the track is simply easy, can not increase cost relatively.

3, because of adjusting play voluntarily between roller and the track, thus rocking of track lamellar body can be reduced, no

Which kind of engraving apparatus (for example pencil graver and turning tool seat or laser devices) of carrying on the opinion track lamellar body is for the unlikely generation gross error of meticulous engraving.

Below only be the explanation of preferred embodiment of the present utility model, when can not be in order to limit the enforceable scope of the utility model, significant change that all professional and technical personnel did and modification all should be considered as not departing from flesh and blood of the present utility model.

Claims

1, the roller structure in gap mended in a kind of automatic accent, can be incorporated on the track of board by a track lamellar body to use, and it is characterized in that it comprises:

One bolt, an end is provided with bolt head;

One flexible adjustment device is made of a spring and two spacing sheaths with holes, is arranged in above-mentioned bolt, and a sheath is butted on bolt head;

One roller, by two independently half wheel body be equipped with bearing to forming in its center hole, wheel face is provided with the rail ditch, is arranged in above-mentioned bolt, wherein half take turns with above-mentioned another sheath against; And

One separation sleeve, central authorities are provided with the cylinder of perforation, are set in above-mentioned bolt, with above-mentioned second half the opinion against.

2, the roller structure in gap mended in automatic accent according to claim 1, it is characterized in that this half wheel body is to be conical, is provided with the short edge that extends along the footpath in its conical surface both sides, is equipped with in the center hole of its per half wheel body and expands rank to dispose aforesaid bearing.

3, the roller structure in gap mended in automatic accent according to claim 1, it is characterized in that this spacing sheath is the round convex shape that the center is provided with the hole, rank, arrives on the set bearing position of half wheel body with its side that directly contracts during assembling.

4, the roller structure in gap mended in automatic accent according to claim 1, it is characterized in that on this track lamellar body it being the box body that combination is provided with an open column shape, the top sets a laser devices in its box, separate by with holes that is horizontally set with in the box body again and form a plurality of interlayers, wherein the two side of one deck is provided with non-two contour fins, tilt to put for an eyeglass, and another layer two side is provided with plural lattice parallel ribs relatively, put for another eyeglass positioning, its orlop box wall is established and is cutd open the hole again, for joining knot one air blowing pipeline, so that the heat radiation of laser processing to be provided.

5, the roller structure in gap mended in automatic accent according to claim 1, it is characterized in that this roller material is the special nylon alloy steel of SNC.