CN203614592U

CN203614592U - Upper bearing component and guide rail system

Info

Publication number: CN203614592U
Application number: CN201320674939.7U
Authority: CN
Inventors: 陈意民
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-10-29
Filing date: 2013-10-29
Publication date: 2014-05-28
Anticipated expiration: 2023-10-29

Abstract

The utility model relates to an upper bearing component and a guide rail system, and belongs to the field of guide rails. Base plates and a support plate of the upper bearing component are integrally formed, upper and lower surfaces of the support plate and inside walls of the two base plates respectively form an upper track and a lower track which extend in the length direction of the support plate. The upper bearing component further comprises inner reversers fixedly connected at two ends of the support plate and outer reversers connected at outer ends of the inner reversers, the surfaces of the inner reversers are cambered surfaces, in smooth connection with end parts of the support plate and connect the upper track and the lower track to form an annular track in a closed loop shape, and a plurality of connected rolling elements surround the annular track. The upper bearing component of the guide rail system can move in the length direction of a lower bearing part, the lower track is capped by the upper surface of the lower bearing part to form a lower track cavity, and the upper track is capped by a saddle to form an upper track cavity. According to the upper bearing component and the guide rail system, the problems that the upper bearing component is complicated in production technology and the guide rail system is unstable in operation are solved, the production technology is simple, the precision is high, and the guide rail system operates stably.

Description

Upper bearing assembly and guide track system

Technical field

The utility model relates to guide rail field.

Background technique

Along with the development of Modern Manufacturing Technology, there is huge variation in traditional manufacturing industry, and Numeric Control Technology, electromechanical integration and industrial robot have obtained application more widely aborning.Positioning precision, guiding accuracy and the feed speed of mechanical transmission mechanism are improving constantly simultaneously, make traditional guide mechanism that great change occur.In machining equipment field, linear rolling guide, with its exclusive characteristic, has replaced traditional sliding straight guide rail gradually, in industrial production, is widely used.Adapt to machinery now for highi degree of accuracy, high-speed, energy saving and shortened the requirement of product development cycle, being widely used in the machinery that various heavy combination working machine tools, numerical control machine tool, highi degree of accuracy electrodischarge cutting machine, grinding machine, industrial robot and even general industry use.

In the prior art, the dunnage of the upper bearing assembly of some guide track systems and reverser are integrated, its processing technology complexity, and cost of production is high.At present, also there is split type upper bearing assembly, the arc-shaped cavity track of its counter-portion is located at reverser inside, cause the installation of rolling element very complicated, due to long-time use, also may cause bearing assembly displacement, cause the joint of counter-portion and dunnage unsmooth, cause oppositely difficulty of rolling element, motion has some setbacks, and makes guide track system unstable.

Model utility content

In order to overcome the deficiencies in the prior art, one of the utility model object is to provide a kind of upper bearing assembly, its dunnage and substrate are one-body molded, bring in by the counter-portion of arc being fixed on to dunnage two ring track that forms rolling element operation, this guide rail processing technology is simple, easy for installation, and validity is high, can reduce the resistance of rail connection, improve the smoothness of motion.

Two of the purpose of this utility model is to provide a kind of guide track system.

For solving above-mentioned purpose one, the technological scheme that the utility model adopts is as follows:

Upper bearing assembly, comprises two substrates being oppositely arranged, is connected to two dunnage and multiple rolling elements between substrate.Described substrate and dunnage are one-body molded; The upper surface of described dunnage and lower surface form with the madial wall of two substrates getting on the right track and lower railway of extending along dunnage length direction respectively; It also comprises the outer reverser that is fixedly connected on the interior reverser at dunnage two ends and is connected to interior reverser outer end, the surface of described interior reverser is cambered surface, and itself and the smooth connection of dunnage end are also connected to form upper and lower track the ring track of closed-loop path shape; Described multiple connected rolling element is around described ring track setting.

Preferably, described outer reverser inner side is the cambered surface matching with interior reverser surface, in the cambered surface of reverser inner side, be provided with groove with respect to the position of upper and lower track outside, this outer reverser is for reverser in capping, and groove coordinates one of formation to supply the reverse arc-shaped cavity of rolling element with interior reverser.

Preferably, in the cross section of the length direction of dunnage, the profile line of the upper surface of described dunnage and the profile line of lower surface are all linearly, and the end of the profile line of upper surface and the profile line of lower surface is by circular arc line smooth connection.

Preferably, be provided with panelling groove at the madial wall of two described substrates, panelling is installed in panelling groove.

Preferably, the upper surface of described dunnage and lower surface are all plane or two side direction intermediate recess from being connected with substrate all.

The upper and lower surface of described dunnage is parallel with the upper and lower surface of substrate respectively; The consistency of thickness of the end to end of described substrate length direction.

Preferably, the upper surface of described substrate is a plane of inclination, and downward-sloping gradually to this plane of inclination of the other end from one end of substrate length direction, the thickness of substrate reduces gradually; In the cross section of the length direction of dunnage, the profile line of the upper surface of described dunnage is parallel with upper surface of base plate, and the profile line of the lower surface of described dunnage is parallel with base lower surface.

Preferably, it also comprises a Drop-proof frame, and it is a metal bar, and it comprises fixing part and the stage casing at two ends, and two fixing part is fixed on respectively on two outer reversers; The centre on the centre of reverser lower surface and rolling element surface is provided with along lower railway length direction resettlement groove outside, and the degree of depth of described resettlement groove is greater than the thickness in metal bar stage casing.

Preferably, be provided with draw-in groove at substrate two madial walls, be provided with protruding axle at the rolling axis two ends of rolling element, described protruding axle is connected in draw-in groove.

For solving above-mentioned purpose two, the technological scheme that the utility model adopts is as follows:

Guide track system, comprises lower bearing part, saddle, and it also comprises bearing assembly; Described upper bearing assembly is arranged on lower bearing part top, active link between upper bearing assembly and lower bearing part; Described lower railway forms lower railway cavity by the upper surface capping of lower bearing part; Get on the right track and form by saddle capping the cavity that gets on the right track.Described upper bearing assembly comprises two substrates being oppositely arranged, is connected to two dunnage and multiple rolling elements between substrate.Described substrate and dunnage are one-body molded; The upper surface of described dunnage and lower surface form with the madial wall of two substrates getting on the right track and lower railway of extending along dunnage length direction respectively; It also comprises the outer reverser that is fixedly connected on the interior reverser at dunnage two ends and is connected to interior reverser outer end, the surface of described interior reverser is cambered surface, and itself and the smooth connection of dunnage end are also connected to form upper and lower track the ring track of closed-loop path shape; Described multiple connected rolling element is around described ring track setting, and it can roll along ring track.

Compared to existing technology, the beneficial effects of the utility model are:

The upper bearing assembly of guide track system of the present utility model adopts Split type track, and the production and processing of its dunnage, reverser can be carried out respectively, can observe dunnage and whether reverser joint seamlessly transits when installation.Reverser of the present utility model is divided into interior reverser and outer reverser, also can carry out respectively production and processing, make the production and processing technology of upper bearing assembly of the present utility model simple, the installation of reverser and dunnage and the installation of rolling element are all very convenient, validity is high, and can reduce the resistance of rail connection, improve the smoothness of motion.In addition, upper surface of base plate and saddle lower surface are set to inclined-plane, after being worn, lower bearing part and rolling element can keep its relative movement by the distance between bearing assembly on regulating and lower bearing part, and without upper bearing assembly or lower bearing part are changed; Dunnage is set to can increase to umbilicate structure the area of contact of rolling element and dunnage, increases bearing capacity; The panelling of installing can reduce the wearing and tearing of dunnage, extends the working life of dunnage.

Accompanying drawing explanation

Fig. 1 is the structural representation of guide track system of the present utility model;

Fig. 2 is upper bearing assembly structural representation in the utility model;

Fig. 3 is the length direction sectional view of the utility model guide track system;

Fig. 4 is the substrate schematic cross-section with panelling groove of the present utility model;

Fig. 5 is the cross section structure schematic diagram of v-shaped track in the utility model;

Fig. 6 is the cross section structure schematic diagram of arc track in the utility model;

Fig. 7 is the structural representation of the substrate with v-shaped track and dunnage in the utility model;

Fig. 8 is the upper bearing assembly structural representation that has Drop-proof frame in the utility model;

Fig. 9 is the structural representation that has the rolling element of resettlement groove in the utility model;

Figure 10 is the structural representation that is provided with the substrate of square draw-in groove in the utility model;

Figure 11 is the structural representation that is provided with the substrate of triangle draw-in groove in the utility model;

Figure 12 is the structural representation of the chain type Drop-proof frame in the utility model;

Figure 13 is the end cover structure schematic diagram that has tank filler sleeve in the utility model;

Figure 14 is the structural representation of multi-orbit substrate and dunnage;

Wherein, 11, substrate; 111, draw-in groove; 112, panelling groove; 12, dunnage; 13, rolling element; 131, protruding axle; 14, interior reverser; 15, outer reverser; 151, groove; 2, lower bearing part; 3, gap; 4, saddle; 52, fixing part; 51, stage casing; 53, resettlement groove; 54, mounting groove; 55, chain; 56, retainer monomer; 6, end cap; 61, tank filler sleeve; 7, Cooling Holes.

Embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

As shown in Figure 1, a kind of guide track system, comprises lower bearing part 2, saddle 4, multiple rolling element 13 and upper bearing assembly.

Upper bearing assembly, comprises two substrates 11 being oppositely arranged, is connected to two dunnage 12 and multiple rolling elements 13 between substrate 11.Substrate 11 and dunnage 12 are one-body molded, the upper surface of dunnage 12 and lower surface form with the madial wall of two substrates 11 getting on the right track and lower railway of extending along dunnage 12 length directions respectively, it also comprises the outer reverser 15 that is fixedly connected on the interior reverser 14 at dunnage 12 two ends and is connected to interior reverser 14 outer ends, the surface of interior reverser 14 is cambered surface, and itself and dunnage 12 end smooth connections are also connected to form upper and lower track the ring track of closed-loop path shape.Multiple connected rolling elements 13 are around described ring track setting, and it can roll along ring track.Between multiple rolling elements 13, connected mode can be being in contact with one another or connecting by retainer of adjacent rolling element.Rolling element 13 can be rolling post or rolling pearl, and its rolling axis is consistent with the width of upper and lower track.

Outer reverser 15 inner sides are the cambered surfaces that match with interior reverser 14 surfaces, in the cambered surface of reverser 15 inner sides, be provided with groove 151 with respect to the position of upper and lower track outside, this outer reverser 15 is for reverser in capping 14, and groove 151 coordinates one of formation to supply the reverse arc-shaped cavity of rolling element 13 with interior reverser 14.Outer reverser 15 be provided with screw corresponding to substrate 11, outer reverser 15 is fixed by screws in the two ends of substrate 11.

As shown in Figure 3, in the cross section of the length direction of dunnage 12, the profile line of the upper surface of dunnage 12 and the profile line of lower surface are all linearly, and the end of the profile line of upper surface and the profile line of lower surface is by circular arc line smooth connection.By optimizing the structure of dunnage 12, can further reduce rolling element 13 rolling resistance, rolling element 13 is rolled more swimmingly.

In guide track system of the present utility model, upper bearing assembly is arranged on lower bearing part 2 tops, and can move along the length direction of lower bearing part 2.Lower railway forms lower railway cavity by the upper surface capping of lower bearing part 2, gets on the right track and forms by saddle 4 cappings the cavity that gets on the right track.As preferred embodiment, saddle 4 and upper bearing assembly can be fixed and be connected in the upper surface of substrate 11 or side by screw.

Split type track structure of the present utility model, in producing, substrate 11 and dunnage 12 are one-body molded, interior reverser 14 and outer reverser 15 can carry out respectively production and processing, compared with existing all-in-one-piece track or all-in-one-piece reverser, its production technology is simple, and cost is low, can greatly reduce production and processing difficulty; Compare with integrated type reverser with segmented track of the prior art, in can guarantee to install time, reverser 14 be level and smooth with the joint of upper and lower guide rail, its resistance to motion, to rolling element 13 interference causing of rolling, is reduced in the joint that can reduce track, improves the smoothness of its motion.And the installation for rolling element 13 is also very convenient.

As shown in Figure 4, be provided with panelling groove 112 in the madial wall bottom of two substrates 11, in panelling groove 112, panelling be installed.By utilizing panelling to contact with rolling element 13, can reduce the wearing and tearing of dunnage 12, extend the working life of dunnage 12.

Panelling in the utility model can adopt fine ceramics, cemented carbide, high speed steel or wolfram steel material to make, and can improve hardness, the wear resistance of panelling.

As shown in Figure 4, the upper surface of dunnage 12 and lower surface are planes.The upper surface of dunnage 12 can also be set to the two umbilicate surfaces of side direction from being connected with substrate 11 with lower surface, and as shown in Figure 5 and Figure 6, the surface of this depression can be V-arrangement or arc.The dunnage 12 that depression is set can increase the area of contact of rolling element 13 and dunnage 12, increases the bearing capacity of dunnage 12.As shown in Figure 7, in the time that dunnage 12 is arranged to concave shape, substrate 11 is without the sidewall that extends to form lower railway downwards, and the both sides of lower railway can produce two power inwardly to rolling element 13, thereby guarantee that rolling element 13 can not de-orbit.

The upper and lower surface of dunnage 12 is parallel with the upper and lower surface of substrate 11 respectively.As shown in Figure 2, the consistency of thickness of the end to end of substrate 11 length directions.

As shown in Figure 3, the upper surface of substrate 11 can also be made as a plane of inclination, and downward-sloping gradually to this plane of inclination of the other end from one end of the length direction of substrate 11, the thickness of substrate 11 reduces gradually.In the cross section of the length direction of dunnage 12, the profile line of the upper surface of dunnage 12 is parallel with the upper surface of substrate 11, and the profile line of the lower surface of dunnage 12 is parallel with the lower surface of substrate 11.Saddle 4 can move with respect to lower bearing part 2, and its lower surface is the inclined-plane mating with the upper surface of substrate 11, upper bearing assembly can slide with respect to saddle 4, after slip, can adjust the height of upper bearing assembly, thereby can adjust the distance between bearing assembly and lower bearing part 2, facilitate I&M.In the time that rolling element 13 weares and teares generation gap with lower bearing part 2 because using for a long time, rubbing for a long time, can affect the relative movement between upper bearing assembly and lower bearing part 2, at this moment, go up by movement the gap that bearing assembly reduces between upper bearing assembly and lower bearing part 2 and can recover relative movement.

As shown in Figure 8 and Figure 9, as a kind of preferred embodiment, guide track system of the present utility model also comprises a Drop-proof frame, this Drop-proof frame is a metal bar, it can be steel wire bar, copper wire strip etc., it comprises fixing part 52 and the stage casing 51 at two ends, two fixing part 52 is separately fixed on two outer reversers 15, the centre on the centre of reverser 15 lower surfaces and rolling element 13 surfaces is provided with the resettlement groove 53 along lower railway length direction outside, stage casing 51 is positioned at resettlement groove 53, in order to ensure fully contacting of rolling element 13 and lower bearing part 2, the degree of depth of resettlement groove 53 is greater than the thickness of metal bar, thereby metal bar is absorbed in resettlement groove 53 completely.By metal bar, rolling element 13 is kept being unlikely in orbit to split away off.The means of fixation of Drop-proof frame has multiple, can directly weld or be fixed by screws in the two ends of outer reverser 15, in the present embodiment, resettlement groove 53 extends to the outer side surface of outer reverser 15, be provided with mounting groove 54 at the end of resettlement groove 53, fixing part 52 is for being arranged on the grab of metal bar end, and grab is connected in mounting groove 54, and the outside of reverser 15 is also installed with end cap 6 outside two, for clamping and fixing metal bar.Position corresponding to the screw of outer reverser 15 and substrate 11 on end cap 6 is provided with screw equally, and it is an entirety that end cap 6, outer reverser 15 and substrate 11 are connected by screw.In order to strengthen anti-drop function, Drop-proof frame can arrange multiple.

As shown in figure 10, for preventing that rolling element 13 from coming off, can also establish draw-in groove 111 at 11 liang of madial walls of substrate, be provided with protruding axle 131 at the rolling axis two ends of rolling element 13, protruding axle 131 is connected in draw-in groove 111.In the present embodiment, the sectional shape of draw-in groove 111 is square, and it can also be set to square, triangle, trapezoidal or arc.Draw-in groove 111 sectional shapes are as shown in figure 11 triangle.Rolling element 13 can contact also and can not contact with the upper surface of dunnage 12, preferably, the distance of the upper surface of draw-in groove 111 and dunnage 12 is greater than the radius of rolling element 13, make to have gap 3 between rolling element 13 and the upper surface of dunnage 12, can improve the movement velocity of rolling element 13, and can reduce the friction between rolling element 13 and dunnage 12 upper surfaces, the working life of bearing assembly in prolongation.

As shown in figure 12, the anti-drop structure of rolling element 13 can also be a chain type retainer 56, and chain type retainer 56 separates adjacent rolling element 13, reduces the friction between each rolling element 13.This anti-drop structure can also be monomer retainer.

Preferably, in dunnage 12, be also provided with delivery pipe, on upper bearing assembly, be provided with the import and the outlet that are communicated with delivery pipe, with in use, by utilizing heating-cooling equipment to pass into temperature control medium (namely cooling medium or heat-conducting medium), the temperature of adjustable upper bearing assembly in delivery pipe.As shown in Figure 2 and Figure 8, be also provided with Cooling Holes 7 in substrate 11 outsides.

As shown in figure 13, machinery, long playing time, need oiling to be lubricated, thereby can on end cap 6 and outer reverser 15, correspondence be provided with tank filler sleeve 61, facilitates lubricating oil filling; Or reverser 15 outer ends install a self-lubricating device additional outside.

As shown in figure 14, on this, bearing assembly can also be provided with multiple substrates 11 and multiple dunnage 12, thereby forms multiple ring tracks (wherein, the quantity of ring track equates with dunnage 12 quantity).

Preferably, on upper bearing assembly, be also fixed with for sealing the Sealing between upper bearing assembly and lower bearing part 2.The seal is fixed on upper bearing assembly by setting-in mode or screw locking mode.The seal can be to sealing between upper bearing assembly and lower bearing part 2, thereby avoid extraneous dust, smear metal material to affect guide track system reliability of operation.

Above-mentioned mode of execution is only preferred implementation of the present utility model; the scope that can not limit with this utility model protection, the variation of any unsubstantiality that those skilled in the art does on basis of the present utility model and replacement all belong to the utility model scope required for protection.

Claims

1. go up bearing assembly, comprise two substrates (11) of being oppositely arranged, be connected to dunnage (12) and multiple rolling element (13) between two substrates (11), it is characterized in that: described substrate (11) and dunnage (12) are one-body molded; The upper surface of described dunnage (12) and lower surface form with the madial wall of two substrates (11) getting on the right track and lower railway of extending along dunnage (12) length direction respectively; It also comprises the outer reverser (15) that is fixedly connected on the interior reverser (14) at dunnage (12) two ends and is connected to interior reverser (14) outer end, the surface of described interior reverser (14) is cambered surface, and itself and dunnage (12) end smooth connection are also connected to form upper and lower track the ring track of closed-loop path shape; Described multiple connected rolling elements (13) are around described ring track.

2. upper bearing assembly as claimed in claim 1, it is characterized in that: described outer reverser (15) inner side is the cambered surface matching with interior reverser (14) surface, in the cambered surface of reverser (15) inner side, be provided with groove (151) with respect to the position of upper and lower track outside, outer reverser (15) is for reverser in capping (14), and groove (151) coordinates one of formation to supply the reverse arc-shaped cavity of rolling element (13) with interior reverser (14).

3. upper bearing assembly as claimed in claim 1, it is characterized in that: in the cross section of the length direction of dunnage (12), the profile line of upper surface and the profile line of lower surface of described dunnage (12) are all linearly, and the end of the profile line of upper surface and the profile line of lower surface is by circular arc line smooth connection.

4. upper bearing assembly as claimed in claim 1, is characterized in that: the madial wall bottom at described two substrates (11) is provided with panelling groove (112), in panelling groove (112), panelling is installed.

5. upper bearing assembly as claimed in claim 1, is characterized in that: the upper surface of described dunnage (12) and lower surface are all plane or two side direction intermediate recess from being connected with substrate (11) all.

6. upper bearing assembly as claimed in claim 1, is characterized in that: the upper and lower surface of described dunnage (12) is parallel with the upper and lower surface of substrate (11) respectively; The consistency of thickness of the end to end of described substrate (11) length direction.

7. upper bearing assembly as claimed in claim 1, is characterized in that: the upper surface of described substrate (11) is a plane of inclination, and downward-sloping gradually to this plane of inclination of the other end from one end of substrate (11) length direction, the thickness of substrate (11) reduces gradually; In the cross section of the length direction of dunnage (12), the profile line of the upper surface of described dunnage (12) is parallel with upper surface of base plate, and the profile line of the lower surface of described dunnage (12) is parallel with substrate (11) lower surface.

8. upper bearing assembly as claimed in claim 1, characterized by further comprising a Drop-proof frame, it is a metal bar, and it comprises fixing part (52) and stage casing (51) at two ends, and two fixing part (52) is separately fixed on two outer reversers (15); The centre on the centre of reverser (15) lower surface and rolling element (13) surface is provided with the resettlement groove (53) along lower railway length direction outside, and the degree of depth of described resettlement groove (53) is greater than the thickness in metal bar stage casing.

9. upper bearing assembly as claimed in claim 1, it is characterized in that: be provided with draw-in groove (111) at substrate (11) two madial walls, be provided with protruding axle (131) at the rolling axis two ends of rolling element (13), described protruding axle (131) is connected in draw-in groove (111).

10. guide track system, comprises lower bearing part (2), saddle (4), characterized by further comprising the upper bearing assembly as described in claim 1 to 9 any one; Described upper bearing assembly is arranged on lower bearing part (2) top, active link between upper bearing assembly and lower bearing part (2); Described lower railway forms lower railway cavity by the upper surface capping of lower bearing part (2); Get on the right track and form by saddle (4) capping the cavity that gets on the right track.