CN210281380U - Sliding device and engraving and milling machine - Google Patents

Sliding device and engraving and milling machine Download PDF

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Publication number
CN210281380U
CN210281380U CN201921248503.5U CN201921248503U CN210281380U CN 210281380 U CN210281380 U CN 210281380U CN 201921248503 U CN201921248503 U CN 201921248503U CN 210281380 U CN210281380 U CN 210281380U
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China
Prior art keywords
linear
sliding
slide rail
slider
linear slide
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CN201921248503.5U
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Chinese (zh)
Inventor
王勤
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Hangzhou Jinke Technology Co Ltd
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Hangzhou Jinke Technology Co Ltd
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Abstract

The utility model discloses a slider and use this slider's carving and milling machine, slider includes linear slide rail and slider, linear slide rail is two, and linear slide rail is the level setting, and linear slide rail thickness direction sets up the mounting hole that runs through, and the both sides face of linear slide rail thickness direction sets up the slot, linear slide rail passes through threaded connection and installs on the seat frame, and the gliding direction parallel arrangement of two linear slide rails, the axial of two linear slide rail mounting holes are the angle setting, and the slot of one of them linear slide rail both sides face is upper and lower setting; the linear slide rail is provided with a corresponding slide block, and the slide block moves along the linear slide rail in the groove; the angle set two linear slide rails are compared with two slide rails which are arranged in the same plane one above the other, the stress of the slide rails is more reasonable, the slide rails are prevented from generating asymmetrical abrasion to cause accuracy reduction, the durability of the equipment is improved, and the accuracy of the equipment in the operation process is ensured.

Description

Sliding device and engraving and milling machine
Technical Field
The utility model relates to a lathe field, in particular to slide device and applied this slide device's carving mills machine including linear slide rail.
Background
The Y-axis is a beam and forms a door-shaped structure with the upright column, and the Z-axis and the spindle box move together along the door-shaped beam. The beam is provided with an upper guide rail and a lower guide rail, and the upper guide rail and the lower guide rail are respectively provided with two sliding blocks. The upper sliding block and the lower sliding block on the beam of the traditional gantry machine tool all adopt standard sliding blocks, but in the actual application process, the stress and the abrasion degree of the upper sliding block and the lower sliding block are different. This is because, in the machining process, the high-speed operation of the tool generates vibration, which is transmitted to the slider, and since the lower slider is closer to the machining tool than the upper slider, the impact force of the vibration on the lower slider is greater than the impact force of the upper slider; in addition, the gravity action born by the lower slide block is larger than that of the upper slide block. The above factors cause the wear rate of the lower slide block to be greater than that of the upper slide block, and also cause the wear rate of the lower guide rail to be greater than that of the upper guide rail.
The above situation leads to at least the following disadvantageous results: (1) because the lower sliding block and the lower guide rail are easy to wear, after the machine tool is used for a period of time, the wear amounts of the upper sliding block, the lower sliding block and the upper guide rail and the lower guide rail are unequal, so that the reverse clearance of the machine tool is increased, and the machining precision is reduced; (2) the lower slider and the lower guide rail need to be replaced relatively frequently, and recalibration is required for each replacement, which affects work efficiency and increases production costs.
In order to solve the problem of serious abrasion of the lower sliding rail, the chinese patent ZL200910009011.5 increases the capability of the lower sliding rail to bear dynamic load and static load by increasing the specification of the lower sliding rail.
The slide rail of lathe sets up in the side, the slide of installation cutter passes through the slider and is connected with the slide rail is movably, there is the certain distance in the plane that two slide rails of lathe constitute of the focus of slide and slide, the slide has a moment of torsion under the effect of gravity and the support of slide rail, the concrete expression is in, the slide exerts the directional power of going up the slide rail direction of an installation slider base to last slide rail, the slide exerts the directional power of installing the slider base of a lower slide rail to the lower slide rail, lead to the wearing and tearing of upper and lower slide rail asynchronous, two slide rails wear in the side of difference promptly, make the clearance between upper slide rail and the slider more big in the use, lead to the lathe precision to.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model discloses a new slider and applied this slider's carving mills machine improves the stress state of two slide rails, alleviates the wearing and tearing of two slide rails of lathe asynchronous.
The utility model provides a sliding device, which comprises two linear slide rails and a sliding block, wherein the two linear slide rails are horizontally arranged, the thickness direction of the linear slide rails is provided with a through mounting hole, the two side surfaces of the thickness direction of the linear slide rails are provided with grooves, the linear slide rails are arranged on a seat frame through threaded connection, the sliding directions of the two linear slide rails are arranged in parallel, the axial direction of the mounting hole of the two linear slide rails is in angle setting, and the grooves on the two side surfaces of one linear slide rail are arranged up and down; and the linear slide rail is provided with a corresponding slide block, and the slide block moves in the groove along the linear slide rail.
Further, the moving mode between the sliding block and the groove is rolling friction, the sliding block is C-shaped, two C-shaped end parts of the sliding block are matched with the grooves on two sides of the linear sliding rail, rolling parts are arranged on the inner sides of the two C-shaped end parts of the sliding block, and the rolling parts are in contact with the grooves.
Further, the rolling members are balls.
Further, the device also comprises a sliding plate;
the grooves on the two side surfaces of the other linear slide rail are horizontally arranged;
the slide is the L font, and the riser of slide is located the side of diaphragm and is connected with the slider, the slider is vertical linear slide rail phase that sets up with the slot. The lateral surface of the transverse plate of the sliding plate, which is close to the vertical plate, is connected with another sliding block, and the sliding block is adapted to a linear sliding rail with a groove horizontally arranged.
Furthermore, the vertical plate and the transverse plate of the L-shaped sliding plate are in arc transition.
Further, the slide plate is a casting.
Furthermore, the size specification of the linear slide rail with the vertically arranged groove is larger than that of the other linear slide rail.
The utility model also provides a carving mills machine, including crossbeam, stand, lead screw, driving motor and slider, the stand sets up in crossbeam below supporting beam, a linear slide rail sets up in the top of crossbeam, another linear slide rail sets up in a side of crossbeam, lead screw and linear slide rail parallel arrangement, driving motor sets up at lead screw one end and drive lead screw rotatory, rotatory lead screw drive slider removes along linear slide rail.
Furthermore, the number of the upright columns is two, and the cross beam and the upright columns form a portal frame.
Furthermore, the size specification of the linear slide rail with the vertically arranged groove is larger than that of the other linear slide rail.
The beneficial effects of the utility model are that two linear slide rails of angulation setting are compared one on the other and are in two slide rails that set up in the coplanar, and the atress of slide rail is more reasonable, avoids the slide rail to produce asymmetric wearing and tearing and lead to the precision to descend, and the degree of durability that improve equipment used guarantees the precision of equipment operation in-process.
Adopt the utility model discloses a carving mills machine and can alleviate the slide rail wearing and tearing that lead to because of the bad and high-speed motion of atress for the slide rail guarantees the precision of equipment operation in-process with the durability that good stress state improve equipment used.
Drawings
FIG. 1 is a schematic view of an engraving and milling machine employing a slide;
fig. 2 is a schematic structural diagram of the linear guideway and the partially cut-away slider in fig. 1.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Fig. 1-2 show a sliding device and an engraving and milling machine using the sliding device according to an embodiment of the present invention. The embodiment comprises linear slide rails 1 and slide blocks 2, wherein the number of the linear slide rails 1 is two, a through mounting hole 11 is arranged in the thickness direction of the linear slide rail 1, grooves 12 are arranged on two side surfaces in the thickness direction of the linear slide rail 1, the linear slide rail 1 is mounted on a seat frame through threaded connection, the sliding directions of the two linear slide rails 1 are arranged in parallel, the axial directions of the mounting holes 11 of the two linear slide rails 1 are arranged in a non-parallel manner, and the two grooves 12 on the two side surfaces of one linear slide rail 1 are arranged up and down; the linear slide rail 1 is provided with a corresponding slide block 2, and the slide block 2 moves along the linear slide rail 1 at the groove 12.
As shown in fig. 1 and 2, when the utility model is used, the linear slide rail 1 is in a strip shape, the thickness direction of the linear slide rail 1 is provided with a through mounting hole 11, and the linear slide rail 1 is mounted on a corresponding seat frame through the mounting hole 11; grooves 12 for mounting the sliding blocks 2 are arranged on two sides of the linear sliding rail 1 in the thickness direction. The two linear sliding rails 1 are arranged in parallel in the horizontal direction, the mounting holes 11 of the two linear sliding rails 1 are arranged in a non-parallel mode in the axial direction, and the angle of the mounting holes 11 of the two linear sliding rails 1 is 30-150 degrees. The groove 12 can be a plane or a curved surface, and the sliding block 2 is contacted with the linear sliding rail 1 at the groove 12 and moves along the groove 12.
The number of the linear sliding rails 1 is two, the grooves 12 on two sides of one linear sliding rail 1 are arranged up and down, the mounting hole 11 of the linear sliding rail is arranged at a certain angle with the mounting hole 11 of the other linear sliding rail 1, and in this embodiment, the mounting hole of the linear sliding rail and the mounting hole of the other linear sliding rail 1 form an angle of 90 degrees. At this time, the two grooves 12 on both sides are formed such that the linear guide 1 disposed vertically receives the vertical downward gravity of the sliding member, and the other linear guide 1 receives the horizontal force of the sliding member. The linear sliding rail 1 that two grooves 12 level settings in both sides set up can provide horizontal holding power, prevent that sliding part from using another linear sliding rail 1 to produce the moment of torsion under the effect of gravity, and avoid making groove 12 be the linear sliding rail 1 that sets up from top to bottom under the effect of this moment of torsion still bear a horizontally external force when bearing the gravity of vertical direction, lead to this linear sliding rail 1 to produce inconsistent wearing and tearing in the both sides of horizontal direction, further lead to sliding part's straightness that hangs down to receive the influence, and finally lead to the precision of equipment to descend sharply.
As a modified embodiment, the moving mode between the slide block 2 and the groove 12 is rolling friction, the slide block 2 is C-shaped, two ends of the C-shaped slide block 2 are matched with the grooves 12 on two sides of the linear slide rail 1, rolling parts are arranged on the inner sides of the two ends of the C-shaped slide block 2, and the rolling parts are in contact with the grooves 12.
As shown in fig. 2, the slider 2 is C-shaped, rolling members are provided at both ends of the C-shape of the slider 2, the rolling members are in contact with the grooves 12, and the moving manner between the rolling members and the grooves 12 is rolling friction.
Since the rolling friction is point contact or line contact, the external force required to drive the rolling friction is smaller than that of the surface contact sliding friction, and thus the response speed of the slider 2 can be faster.
As a modified embodiment, the rolling members are balls.
As shown in fig. 2, the groove 12 is an arc groove, the slider 2 is C-shaped, three sides of the slider 2 cover the linear sliding rail 1, and grooves for accommodating rolling members are formed at two ends of the slider 2 at positions corresponding to the groove 12. A plurality of balls are arranged in the groove for accommodating the rolling component. The number of rows of balls and the number of balls can be adjusted accordingly according to the load-bearing requirement and the width of the slide 2.
The ball rolls endlessly between the slider 2 and the linear guideway 1 to circulate, so that the sliding component platform can move linearly along the linear guideway easily with high precision, and the friction coefficient is reduced to one fiftieth of the normal traditional sliding guidance, so that high positioning precision can be easily achieved.
As a modified embodiment, the device also comprises a sliding plate 3; two grooves 12 on two side surfaces of the other linear slide rail 1 are horizontally arranged; slide 3 is the L font, and slide 3's riser 31 is located the side of diaphragm 32 and is connected with slider 2, slider 2 suits with linear slide rail 1 that slot 12 was the upper and lower setting, and slide 3's diaphragm 32 is close to the side of riser 31 and is connected with another slider 2, slider 2 suits with linear slide rail 1 that slot 12 is the level setting.
As shown in fig. 1, an L-shaped slide 3 is moved along a linear guide 1 by a slider 2. The linear slide rail 1 at the vertical plate 31 of the slide plate 3 bears the gravity of the slide plate 3, and the linear slide rail 1 at the transverse plate 32 of the slide plate 3 bears the force which points to the slide plate in the horizontal direction. Due to the design of the L-shaped sliding plate 3, the angle of the mounting holes of the two linear sliding rails 1 is 90 degrees, and the sliding block 2 at the transverse plate 32 ensures that the sliding plate 3 cannot deviate in the horizontal direction, so that the repeated movement durability of the sliding plate 3 is ensured, and the precision of the sliding plate 3 used for a long time is ensured.
As a modified embodiment, the L-shaped sliding plate 3 has a circular arc transition between the vertical plate 31 and the transverse plate 32.
The vertical plate 31 and the transverse plate 32 of the sliding plate 3 are in arc transition, so that stress concentration at a sharp corner position of an orthogonal structure can be effectively avoided, cracking is effectively prevented, and the rigidity and the stability of equipment are improved.
As a modified embodiment, the skid plate 3 is a casting.
And a cutter for processing is arranged on the sliding plate 3 or a transmission device connected with the cutter is arranged on the sliding plate. Casting materials, particularly cast iron materials, have good shock absorption performance because the cutter can generate vibration during machining. The sliding plate 3 can effectively absorb part of slight vibration generated in the machining process by adopting a casting, so that the abrasion between the linear sliding rail 1 and the sliding block 2 caused by the vibration is reduced, and the durability of the equipment is improved.
As a modified embodiment, the linear slide rail 1 arranged up and down in the two grooves 12 on both sides has a larger dimension than the other linear slide rail 1.
The linear sliding rail 1 arranged up and down in the two grooves 12 on both sides bears the weight of the sliding component, and the stress condition is worse than that of the other linear sliding rail 1. The linear slide rail 1 with the two grooves 12 on the two sides arranged up and down is selected to be larger than the other linear slide rail 1 in size, so that the sliding device is favorably applied to sliding parts with larger mass, and the heavy-load processing capacity of equipment is improved.
Fig. 1 shows a carving and milling machine according to an embodiment of the present invention. The embodiment comprises a cross beam 4, an upright post 5, a screw rod, a driving motor and a sliding device, wherein the upright post 5 is arranged below the cross beam 4 to support the cross beam 4, one linear slide rail 1 is arranged above the cross beam 4, the other linear slide rail 1 is arranged on one side surface of the cross beam 4, the screw rod is arranged in parallel with the linear slide rails 1, the driving motor is arranged at one end of the screw rod and drives the screw rod to rotate, and the rotating screw rod drives a sliding block 2 to move along the linear slide rails 1.
The engraving and milling machine is a numerical control milling machine using a small cutter, a high-power and high-speed spindle motor. The engraving and milling machine can engrave and mill, and is a high-efficiency and high-precision numerical control machine tool. Usually, two linear slide rails 1 of carving mills machine all set up in the side of crossbeam 4, arrange one on top of the other, because of the center of slide 3 is not on the plane that two linear slide rails 1 constitute, and linear slide rail 1 can leave certain clearance in the installation, lead to carving to milling machine Z to not completely vertical, and in the use, accelerate the wearing and tearing of two linear slide rails 1 opposite directions about, further aggravate Z to not vertical. The two linear sliding rails 1 are respectively arranged above and on the side surface of the cross beam 4, so that the problem can be solved, the linear sliding rails 1 on the side surface of the cross beam 4 are used as supporting points to support the weight of the sliding plate 3 and parts on the sliding plate, the gravity of the sliding plate 3 and the parts on the sliding plate is balanced by the force in the horizontal direction provided by the linear sliding rails 1 on the cross beam 4, the linear sliding rails 1 and the sliding blocks 2 are ensured to bear positive pressure, and the durability and the service life of the equipment are improved.
As a modified embodiment, the number of the upright posts 5 is two, and the cross beam 4 and the upright posts 5 form a portal frame.
The portal frame structure is also referred to as a gantry structure. Gantry-structured processing equipment is generally more rigid and stable.
As a modified specific embodiment, the linear guideway 1 on the side surface of the beam 4 has a larger dimension than the linear guideway 1 on the upper surface of the beam 4.
The linear sliding rail 1 on the side of the beam 4 bears the weight of the sliding plate 3 and other parts thereon, and the stress condition is worse than that of the other linear sliding rail 1. The size specification of the linear slide rail 1 on the side of the beam 4 is larger than that of another linear slide rail 1, and the slide plate 3 with larger mass and other parts thereon are helpful to be applied, and further the utility model discloses the Z of equipment is to the range of motion, improve equipment's processing range.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The sliding device is characterized by comprising linear sliding rails (1) and sliding blocks (2), wherein the number of the linear sliding rails (1) is two, the linear sliding rails (1) are horizontally arranged, a through mounting hole (11) is formed in the thickness direction of the linear sliding rails (1), grooves (12) are formed in two side faces of the linear sliding rails (1) in the thickness direction, the linear sliding rails (1) are mounted on a seat frame through threaded connection, the sliding directions of the two linear sliding rails (1) are arranged in parallel, the axial directions of the mounting holes (11) of the two linear sliding rails (1) are arranged in a non-parallel mode, and the grooves (12) in the two side faces of one linear sliding rail (1) are arranged in an up-and-down mode; the linear sliding rail (1) is provided with a corresponding sliding block (2), and the sliding block (2) moves along the linear sliding rail (1) in the groove (12).
2. A sliding device according to claim 1, characterized in that the movement between the slider (2) and the groove (12) is rolling friction, the slider (2) is C-shaped, the two ends of the C-shape of the slider (2) are adapted to the grooves (12) on both sides of the linear guideway (1), the rolling members are arranged inside the two ends of the C-shape of the slider (2), and the rolling members are in contact with the grooves (12).
3. A sliding assembly as claimed in claim 2 wherein said rolling elements are balls.
4. A sliding device according to claim 1, further comprising a sliding plate (3);
the grooves (12) on the two side surfaces of the other linear slide rail (1) are horizontally arranged;
slide (3) are the L font, and the side that riser (31) of slide (3) are located diaphragm (32) is connected with slider (2), slider (2) suit with slot (12) linear slide rail (1) that set up from top to bottom, and the side that diaphragm (32) of slide (3) are close to riser (31) is connected with another slider (2), slider (2) suit with slot (12) linear slide rail (1) that is the level and sets up.
5. A sliding arrangement according to claim 4, characterised in that the L-shaped runners (3) are rounded off between the vertical (31) and the transverse (32) plates.
6. A sliding arrangement according to claim 4, characterised in that the sliding plate (3) is a casting.
7. A sliding device according to claim 1, wherein the two grooves (12) on both sides are arranged above and below the linear guideway (1) with a larger dimension than the other linear guideway (1).
8. The engraving and milling machine is characterized by comprising a cross beam (4), an upright post (5), a lead screw, a driving motor and the sliding device as claimed in any one of claims 1 to 7, wherein the upright post (5) is arranged below the cross beam (4) to support the cross beam (4), one linear slide rail (1) is arranged above the cross beam (4), the other linear slide rail (1) is arranged on one side surface of the cross beam (4), the lead screw is arranged in parallel with the linear slide rails (1), the driving motor is arranged at one end of the lead screw and drives the lead screw to rotate, and the rotating lead screw drives a sliding block (2) to move along the linear slide rails (1).
9. Engraving and milling machine according to claim 8, characterized in that said uprights (5) are two, the cross-members (4) and the uprights (5) constituting a portal frame.
10. Engraving and milling machine according to claim 8, characterized in that the dimensions of the linear guides (1) on the sides of the cross-beam (4) are larger than those of the linear guides (1) on the cross-beam (4).
CN201921248503.5U 2019-08-02 2019-08-02 Sliding device and engraving and milling machine Active CN210281380U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921248503.5U CN210281380U (en) 2019-08-02 2019-08-02 Sliding device and engraving and milling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921248503.5U CN210281380U (en) 2019-08-02 2019-08-02 Sliding device and engraving and milling machine

Publications (1)

Publication Number Publication Date
CN210281380U true CN210281380U (en) 2020-04-10

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Application Number Title Priority Date Filing Date
CN201921248503.5U Active CN210281380U (en) 2019-08-02 2019-08-02 Sliding device and engraving and milling machine

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112247622A (en) * 2020-10-16 2021-01-22 安徽联合智能装备有限责任公司 A engraver for aluminum plate processing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112247622A (en) * 2020-10-16 2021-01-22 安徽联合智能装备有限责任公司 A engraver for aluminum plate processing

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