CN220268218U

CN220268218U - Novel roller type linear guide rail slider

Info

Publication number: CN220268218U
Application number: CN202321323579.6U
Authority: CN
Inventors: 李维春
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-29
Filing date: 2023-05-29
Publication date: 2023-12-29
Anticipated expiration: 2033-05-29

Abstract

The utility model relates to the technical field of linear transmission, and provides a novel roller type linear guide rail slider which comprises a supporting body and a roller path body, wherein roller guides and roller diverters are sequentially connected to two ends of the supporting body; the roller guide is provided with an oil filling hole and a containing cavity; the roller steering gear comprises a steering plate and a steering piece, wherein a first oil guide hole, a first oil guide hole and a second oil guide hole are formed in the steering plate, the groove wall of the first oil guide hole protrudes out of the end face of the steering plate and can be in sealing fit with the end face of the supporting body, the steering piece is formed with a steering rolling cavity for the roller to pass through and guiding the movement direction of the roller, the opening end of the steering rolling cavity is provided with a second oil guide hole extending inwards, and the oil injection hole, the first oil guide hole, the second oil guide hole and the second oil groove are sequentially communicated to form a continuous oil duct so as to provide lubrication for the roller passing through the steering rolling cavity. The utility model overcomes the defect of the lubricating capability in the prior art, can improve the sealing performance of the oil duct, and further ensures the lubricating effect.

Description

Novel roller type linear guide rail slider

Technical Field

The utility model relates to the technical field of linear transmission, in particular to a novel roller type linear guide rail slider.

Background

The linear guide rail is also called a linear rail, a sliding rail, a linear guide rail and a linear sliding rail, is used for high-precision or high-speed linear reciprocating motion occasions, can bear a certain torque, and can realize high-precision linear motion under the condition of high load. The linear guide rail is used for supporting and guiding the moving part to do reciprocating linear motion according to a given direction, and plays a great role in industrial production.

In the prior art, the linear guide rail has the following technical problems:

after the linear guide rail sliding block runs for a long time, lubricating oil needs to be added to the linear guide rail sliding block periodically so as to carry out maintenance. At present, the conventional mode of adding lubricating oil is to directly dismantle slider from equipment, mechanism, then to oiling through the oil filler point, after the oiling is accomplished, assemble again, complex operation is troublesome, and the space is narrow and small, dismantle the equipment inconvenient, simultaneously, the work load is great, need consume a large amount of manpower and materials, and then the cost is improved.

The linear guide rail consists of a steel rail and a sliding block, the main body of the sliding block is generally designed in an integrated manner, and the hardening process of the whole surface is adopted, so that the current situations of low production efficiency, high processing cost, high processing reject ratio, poor product life and the like are caused;

when the steel ball runs, a phenomenon of steel ball blocking easily occurs at the entrance and the exit of the ball channel, and the generated error cannot be automatically adjusted and compensated;

when the steel ball moves back and forth to the inlet, the rolling is changed into sliding, so that the steel ball cannot stably and smoothly move;

the overall operation accuracy of the slider cannot be ensured; the friction force of the running of the guide rail slide block is relatively large, and the whole service life of the guide rail slide block is prolonged. Therefore, improvements are needed. Therefore, we propose a novel roller type linear guide rail slider.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the novel roller type linear guide rail slider, which overcomes the defect of insufficient lubricating capacity of the prior art, can improve the sealing performance of an oil duct and further ensures the lubricating effect.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the novel roller type linear guide rail sliding block comprises a supporting body and a roller path body, wherein the two ends of the supporting body are sequentially connected with a roller guide device and a roller steering device from far to near;

the roller guide is provided with an oil filling hole penetrating through the inside and the outside and a concave accommodating cavity;

the roller steering device comprises a steering plate and a steering piece, wherein a first oil guide hole, a first oil guide groove and a second oil guide hole are formed in the steering plate, the groove wall of the first oil guide groove protrudes out of the end face of the steering plate and can be in sealing fit with the end face of a supporting body so as to seal a notch of the first oil guide groove to form a closed cross section, the end part of the steering piece is in positioning fit with the steering plate, the main body of the steering piece is embedded into a containing cavity of the roller guide device, the steering piece is formed with a steering rolling cavity for the roller to pass through and guiding the movement direction of the roller, the opening end of the steering rolling cavity is provided with a second oil guide groove extending inwards, and the oil injection hole, the first oil guide groove, the second oil guide groove and the second oil groove are sequentially communicated to form a continuous oil duct so as to provide lubrication for the roller passing through the steering rolling cavity.

Further, a groove is formed in the end face of the steering plate, and the groove is arranged along the outer contour of the first oil guide groove.

Further, the terminal surface that turns to the piece is formed with third oil groove and oil storage hole, the cell wall of third oil groove sets up along the outline of oil storage hole, steering roll die cavity, the cell wall of third oil groove can seal the laminating with the terminal surface of steering plate to seal its notch and form the closed shape of cross-section, oil filler point, first oil groove, second oil groove, third oil groove and second oil groove communicate in proper order and form continuous oil duct, the oil storage hole just communicates with the second oil groove.

Furthermore, the groove walls of the first oil guiding groove and the third oil guiding groove are made of elastic materials.

Furthermore, the supporting body is provided with a sliding groove and a linear rolling cavity, the sliding groove is used for the sliding rail to penetrate through, the linear rolling cavities are symmetrically arranged on two sides of the sliding groove, two side walls of the sliding groove are concavely provided with linear rolling grooves, and two ends of the linear rolling grooves and two ends of the linear rolling cavity are connected through the rotary rolling cavity to form an annular closed circulating roller path.

Further, the linear rolling groove is provided with an inner roller retainer matched with the roller, the linear rolling cavity is provided with an outer roller path retainer matched with the roller, and the outer roller path retainer has certain oil absorption and storage functions.

Further, the groove walls of the 4 linear rolling grooves are respectively provided with a rollaway nest body arranged along the length direction of the groove body, the rollaway nest bodies are non-integral and separable with the supporting body, and the rollaway nest bodies are adhered with the supporting body through metal adhesives.

Furthermore, the raceway body is made of wear-resistant bearing steel materials and is manufactured by adopting a separate hardening process. And both ends of the contact surface of the raceway body and the roller are provided with slow-shaped climbing angles.

(III) beneficial effects

The utility model provides a novel roller type linear guide rail sliding block, which has the following beneficial effects: after assembly, the steering plate is pressed on the end face of the supporting body, so that the groove wall of the first oil guiding groove is in sealing fit with the end face of the supporting body, and the groove wall of the second oil guiding groove is in sealing fit with the end face of the steering plate, so that the groove openings of the oil guiding grooves are sealed to form a closed cross-section shape, the sealing performance of the oil duct is effectively improved, and the lubricating effect is ensured; in addition, the structure can also effectively simplify the oil passage structure.

Compared with the surface heat treatment hardening adopted when the traditional sliding block raceway body is integrated on the supporting body, the raceway body made of the wear-resistant bearing steel material and adopting a single hardening process has higher wear resistance and bearing capacity. And meanwhile, a slow ramp angle is arranged, so that the roller does not enter the bearing area through the traditional inlet pulsation any more, but transits to the bearing area along the ideal tangential direction of a smooth curved surface. The extremely smooth roll-in behavior and the inlet design, which can be optimally adjusted with load changes, ensure high accuracy of the roller slider.

Drawings

FIG. 1 is an overall schematic explosion diagram of the present utility model;

FIG. 2 is a schematic view of the utility model from a first perspective of an end explosion;

FIG. 3 is a schematic view of a second view of the end explosion of the present utility model;

FIG. 4 is a schematic view of the seal plate, roller guide and roller diverter of the present utility model in a first view;

FIG. 5 is a schematic view of the seal plate, roller guide and roller diverter of the present utility model in a second view mated;

FIG. 6 is a schematic view of a first view of a deflector plate of the present utility model;

FIG. 7 is a schematic view of a second view of the deflector plate of the present utility model;

FIG. 8 is a partially enlarged schematic view of a first oil guiding groove and a groove in the utility model;

FIG. 9 is a schematic view of a first view of a steering member of the present utility model;

FIG. 10 is a schematic view of a second view of the steering member of the present utility model;

FIG. 11 is a schematic view of the roller guide of the present utility model;

fig. 12 is a schematic structural view of the seal portion of the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-12, the novel roller type linear guide rail slider of the embodiment is specifically a double-row crossed roller type linear guide rail slider, and comprises a supporting body (1) and a roller path body (8), wherein two ends of the supporting body (1) are sequentially connected with a metal thread plate (2), a sealing plate (3), a roller guide (4) and a roller steering device from far to near, and specifically the metal thread plate (2), the sealing plate (3), the roller guide (4) and the roller steering device are sequentially stacked and then are fastened at the end part of the supporting body (1) through bolts.

The metal thread plate (2) comprises a main body and wing plates which are formed by inwards bending two sides of the upper part of the main body by 90 degrees, wherein the main body encapsulates the sealing plate (3) in an outer accommodating cavity of the roller guide (4), and the wing plates are embedded into positioning grooves on the side parts of the roller guide (4).

The sealing plate (3) is embedded into the outer accommodating cavity of the roller guide (4), a circle of sealing lip (31) is arranged at a notch of the sealing plate (3) matched with the guide rail, a first steering forming part is inwards convexly arranged on the inner side surface of the sealing plate (3), and a first steering outer cambered surface (32) is formed on the first steering forming part.

The roller guide device is characterized in that the outer side surface of the roller guide device (4) is provided with an inner concave outer side accommodating cavity, the upper part of the inner side surface of the roller guide device is provided with an inner concave sealing cavity (42), the lower part of the inner side surface of the roller guide device is provided with a pair of inner concave inner side accommodating cavities (44), and an oil filling hole (41) penetrating the inner side and the outer side of the roller guide device is provided with an inner concave inner side accommodating cavity; the sealing cavity (42) is enclosed on the periphery of the oil filling hole (41) and is in a flat shape extending leftwards and rightwards, a notch penetrating inwards and outwards is arranged at the bottom of the inner accommodating cavity (44), a second steering forming part is arranged inwards protruding from one side of the notch, and a second steering extrados (441) is formed on the second steering forming part.

The roller steering device comprises a steering plate (6) and a steering member (5).

The outer side surface of the steering plate (6) is provided with a circle of sealing flange (66), the inner side surface of the steering plate is provided with a first oil guide groove (62), and the steering plate is also provided with a first oil guide hole (61), a second oil guide hole (63) and a roller perforation (64) which penetrate inside and outside; a circle of sealing flange (66) encloses in first oil guide hole (61) periphery and matches with the interior profile of sealed chamber (42), and sealing flange (66) imbeds in sealed chamber (42) in order to realize both sealed cooperation, the cell wall protrusion of first oil guide groove (62) is in the terminal surface of deflector (6) and can seal laminating with supporting body (1) terminal surface to seal its notch and form the closed shape of cross-section, and first oil guide hole (61) just communicates and is located the centre of first oil guide groove (62) with oil filler point (41), and a pair of second oil guide hole (63) divide to locate the both ends of first oil guide groove (62).

The end of the steering piece (5) is matched with the steering plate (6) in a positioning way, the main body of the steering piece is embedded into an inner side accommodating cavity (44) of the roller guide (4), the steering piece (5) is provided with a pair of steering rolling cavities (51) for the roller (9) to pass through and guiding the movement direction of the roller (9), the steering rolling cavities (51) are distributed inwards and outwards and are arranged in a crossed way, the first steering forming part stretches into a clamping groove (55) in the back of the steering piece (5) from the notch, the first steering outer cambered surface (32) and the second steering outer cambered surface (441) are spliced and then are matched with the outer steering rolling cavities (51), the opening end of the steering rolling cavity (51) is just opposite to the roller perforation (64) and is provided with a second oil guide groove (511) extending inwards, and the oil injection hole (41), the first oil guide hole (61), the first oil guide groove (62), the second oil guide hole (63) and the second oil groove are sequentially communicated to form continuous oil channels for providing lubrication for the roller (9) passing through the steering rolling cavities (51).

In this embodiment, the end face of the deflector plate (6) is formed with a groove (67), and the groove (67) is disposed along the outer contour of the first oil guide groove (62).

In this embodiment, the terminal surface that turns to piece (5) is formed with third oil groove 53 and oil storage hole (52) (blind hole), the cell wall of third oil groove 53 sets up along oil storage hole (52), turn to the outline of roll die cavity (51), the cell wall of third oil groove 53 can seal the laminating with the terminal surface that turns to board (6) to seal its notch and form the closed shape of cross-section, oil filler point (41), first oil hole (61), first oil groove (62), second oil hole (63), third oil groove 53 and second oil groove communicate in proper order and form continuous oil duct, oil storage hole (52) just communicates with second oil hole (63). The steering parts (5) are respectively provided with oil storage holes (52) between the cross openings at the upper ends and the cross openings at the lower ends of the pair of steering rolling cavities (51), and the oil storage holes (52) are communicated with the cross openings at the same side through a third oil guide groove 53 surrounding the periphery, so that uniform distribution of lubricating oil is ensured.

In the figure, a first bolt hole (43) of the roller guide (4) extends inwards to form a positioning sleeve, and the positioning sleeve is inserted into a second bolt hole (65) of the steering plate (6) to realize positioning fit of the roller guide (4) and the steering plate (6); the positioning rod (54) and the positioning block (512) of the steering piece (5) are respectively inserted into the positioning hole of the steering plate (6) and the side part of the ball through hole (64), so that the positioning matching of the steering piece (5) and the steering plate (6) is realized. The inner side surface of the roller guide (4) is integrally formed with a pair of retaining arms (45), the retaining arms (45) are matched with the retainer (7) to limit balls, and the retaining arms (45) on the same side of the roller guide (4) are in plug-in fit.

In the above embodiment, the seal lip (31), the first oil guiding groove (62) and the third oil guiding groove 53 are made of elastic materials, such as rubber, so that, on one hand, you can ensure the reliability of sealing in a pressed state, and on the other hand, can absorb the impact of the roller (9) and reduce vibration and noise.

In the embodiment, the supporting body (1) is provided with a sliding groove and a linear rolling cavity, the sliding groove is used for the sliding rail L to pass through, the linear rolling cavities are symmetrically arranged on two sides of the sliding groove, the two side walls of the sliding groove are inwards concave to form linear rolling grooves, and two ends of the linear rolling grooves and two ends of the linear rolling cavity are connected through the rotary rolling cavity to form an annular closed circulating roller path. The linear rolling groove is provided with an inner roller retainer (7) matched with the roller (9), the linear rolling cavity is provided with an outer roller path retainer (10) matched with the roller (9), and preferably, the outer roller path retainer has certain oil absorption and storage functions. The four straight line rolling grooves are respectively provided with a rollaway nest body (8) which is arranged along the length direction of the groove body, the rollaway nest bodies (8) are non-integral and separable with the supporting body (1), the rollaway nest bodies are made of wear-resistant bearing steel materials and are made by adopting an independent hardening process, and meanwhile, a slow-shaped climbing angle is formed, and the rollaway nest bodies are adhered with the supporting body through metal adhesives. .

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The novel roller type linear guide rail sliding block comprises a supporting body (1) and a roller path body (8), wherein the two ends of the supporting body (1) are sequentially connected with a roller guide (4) and a roller steering device from far to near;

the roller guide (4) is provided with an oil filling hole (41) penetrating through the inside and the outside and a concave accommodating cavity;

the method is characterized in that:

the roller steering device comprises a steering plate (6) and a steering piece (5), wherein a first oil guide hole (61), a first oil guide groove (62) and a second oil guide hole (63) are formed in the steering plate (6), the groove wall of the first oil guide groove (62) protrudes out of the end face of the steering plate (6) and can be sealed and attached to the end face of a supporting body (1) to seal the notch of the steering plate to form a closed cross section, the end of the steering piece (5) is matched with the steering plate (6) in a positioning mode, the main body of the steering piece is embedded into a containing cavity of the roller steering device (4), the steering piece (5) is provided with a steering rolling cavity (51) for allowing a roller (9) to pass through and guiding the movement direction of the roller (9), the opening end of the steering rolling cavity (51) is provided with a second oil guide groove (511) extending inwards, and the oil injection hole (41), the first oil guide groove (62), the second oil guide groove (63) and the second oil groove are sequentially communicated to form a continuous oil duct for providing lubrication for the roller (9) passing through the steering rolling cavity (51).

2. The novel roller-type linear guide slider as claimed in claim 1, wherein: the end face of the steering plate (6) is provided with a groove (67), and the groove (67) is arranged along the outer contour of the first oil guide groove (62).

3. The novel roller-type linear guide slider as claimed in claim 1, wherein: the end face of the steering part (5) is provided with a third oil guiding groove (53) and an oil storage hole (52), the groove wall of the third oil guiding groove (53) is arranged along the outer contour of the oil storage hole (52) and the steering rolling cavity (51), the groove wall of the third oil guiding groove (53) can be sealed and attached with the end face of the steering plate (6) to seal the groove opening of the steering plate to form a cross section closed shape, the oil filling hole (41), the first oil guiding hole (61), the first oil guiding groove (62), the second oil guiding hole (63), the third oil guiding groove (53) and the second oil guiding groove are sequentially communicated to form a continuous oil duct, and the oil storage hole (52) and the second oil guiding hole (63) are directly opposite to be communicated.

4. A novel roller-type linear guide slider as claimed in claim 3, wherein: the groove walls of the first oil guiding groove (62) and the third oil guiding groove (53) are made of elastic materials.

5. A novel roller-type linear guide slider as claimed in claim 3, wherein: the sliding rail type rolling device is characterized in that the supporting body (1) is provided with a sliding groove and a linear rolling cavity, the sliding groove is used for the sliding rail to penetrate through, the linear rolling cavities are symmetrically arranged on two sides of the sliding groove, the two side walls of the sliding groove are inwards concave to form a linear rolling groove, and two ends of the linear rolling groove and two ends of the linear rolling cavity are connected through the rotary rolling cavity to form an annular closed circulating roller path.

6. The novel roller-type linear guide slider as set forth in claim 5, wherein: the linear rolling groove is provided with an inner roller retainer (7) matched with the roller (9), the linear rolling cavity is provided with an outer roller path retainer (10) matched with the roller (9), and the outer roller path retainer has oil absorption and storage functions.

7. The novel roller-type linear guide slider as set forth in claim 6, wherein: the groove walls of the 4 linear rolling grooves are respectively provided with a roller path body (8) along the length direction of the groove body, the roller path bodies (8) and the supporting body (1) are non-integral and separable, and the roller path bodies (8) and the supporting body (1) are adhered through metal adhesives.

8. The novel roller-type linear guide slider as claimed in claim 1, wherein: both ends of the contact surface of the raceway body (8) and the roller (9) are provided with slow-shaped climbing angles.

9. The novel roller-type linear guide slider as claimed in claim 1, wherein: the raceway body (8) is made of wear-resistant bearing steel and is manufactured by a separate hardening process.