Precise rolling linear guide rail pair with anti-deformation structure
By employing a detachable reinforcing rib structure and reinforcement mechanism in the precision rolling linear guide pair, the problem of stiffness reduction caused by thermal deformation is solved, achieving anti-deformation effect and precision stability of the structure, and extending its service life.
Patent Information
- Application Number
- CN202520932471.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-13
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-05-13
AI Technical Summary
Existing precision rolling linear guide pairs suffer from decreased stiffness and reduced accuracy due to thermal deformation during prolonged operation.
It adopts a detachable reinforcing rib structure, which is fixed by engaging the guide post with the guide groove, combined with the locking plate and bolts. A buffer layer, anti-compression pad plate and titanium alloy base layer are added to improve the structural strength and stability.
It effectively prevents deformation, improves rigidity, avoids precision degradation, and extends service life.
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Figure CN223923617U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to guide rail device technical field especially, relates to a precision rolling linear guide vice with anti -deformation structure. BACKGROUND
[0002] Precision rolling linear guide vice is a kind of high-precision linear motion core function component realized by rolling body, is composed of guide rail, slider, rolling body and return device, is applied to the field of high-precision numerical control machine tool, semiconductor manufacturing equipment, industrial robot, medical imaging equipment and aerospace, and the machining precision of guide rail and slider is high, and the fit clearance is small, can realize accurate linear motion positioning, positioning precision reaches micron level, satisfies the requirement of high-precision motion to precision machining, measuring instrument.
[0003] Through the retrieval, Chinese patent publication No. CN203453293U discloses rail device technical field, especially a kind of precision linear rolling guide vice, solve the unreasonable design and short service life and other technical problems, the precision linear rolling guide vice includes guide rail and the slider that is set on guide rail and is slidably connected with guide rail, two circulating raceways are arranged in slider, a plurality of ball bearings are respectively arranged in each circulating raceway, guide rail groove is arranged on the bottom of slider, characterized in that, the slider is equipped with two retaining frames respectively located in the inner side of the guide rail groove and can prevent the ball bearings from separating from the slider, the retaining frame is strip-shaped flat, positioning structure is arranged on the guide rail and located on both sides of the slider and can prevent the slider from separating from the guide rail, the utility model has the following advantages: the slider can be prevented from separating from the guide rail and the ball bearings can be prevented from separating from the slider, the working stability of ball bearings can be guaranteed, and the smoothness of ball bearings operation can be ensured;But in actual use, the structure realizes the effect of working stability by positioning structure, however, under long time work, the problem of thermal deformation accumulation can lead to stiffness reduction, so that precision can have attenuation change, thereby reducing the precision machining condition. UTILITY MODEL CONTENTS
[0004] In order to make up for the above shortcomings, the utility model provides a precision rolling linear guide vice with anti-deformation structure, aiming at improving the problem that, in the prior art, under long time work, the problem of thermal deformation accumulation can lead to stiffness reduction, so that precision can have attenuation change.
[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a precision rolling linear guide pair with anti-deformation structure, including guide rail and two reinforcing ribs, the top wall sliding connection of guide rail has slider equipment, the left and right sides of slider equipment are all provided with two guide grooves, the adjacent side of two reinforcing ribs is all fixedly connected with two guide columns, the outer wall of multiple guide columns is slidably connected with corresponding guide groove respectively, the left and right sides top of slider equipment are all rotatably connected with two locking plates, the top of the side that two reinforcing ribs are far away from each other is all provided with locking slot, the bottom of multiple locking plates is respectively engaged with corresponding locking slot, the bottom wall of two reinforcing ribs is all fixedly connected with two connecting seats, the side that multiple connecting seats are far away from each other is all threadedly connected with bolt, the end of multiple bolts is respectively threadedly connected on the left and right sides bottom of slider equipment, the inner wall of two reinforcing ribs is far away from each other and is provided with enhancement mechanism.
[0006] Through the above technical scheme: make in the sliding installation of reinforcing rib and slider equipment, multiple guide columns can be engaged with guide groove, reach the purpose of preliminary connection, subsequently through the rotation locking plate, make with the top of reinforcing rib complete locking, simultaneously under the rotation of bolt, make its with reinforcing rib bottom complete fixed, vice versa complete disassembly, thereby through the reinforcing rib of detachable, improved the anti-deformation effect of structure.
[0007] As a further description of the above technical scheme:
[0008] The enhancement mechanism includes two buffer layers, the inner wall of the two buffer layers is fixedly connected to the corresponding reinforcing rib, the buffer layer is fixedly connected with a plurality of compression pads on one side, the buffer layer is fixedly connected with a connecting layer on the other side, the adjacent side of the two connecting layers is fixedly connected with a titanium alloy base layer, the adjacent side of the two titanium alloy base layers is fixedly connected with a reinforcing layer, and the inner bottom wall of the reinforcing layer is fixedly connected with a fixed grid plate.
[0009] Through the above technical scheme: make through the connection of buffer layer and compression pad, can reduce the damage of structure caused by external pressure, simultaneously under the setting of titanium alloy base layer, can effectively increase the overall strength of reinforcing rib, improve the use effect, subsequently under the connection of fixed board, can improve the protection of reinforcing layer, thereby increasing the service life of structure.
[0010] As a further description of the above technical scheme:
[0011] The enhancement mechanism further includes a plurality of protection plates, and the inner wall of the corresponding reinforcing layer is fixedly connected with the protection plates.
[0012] Through the above technical scheme: make further improve the protection of reinforcing rib under the connection of protection plate.
[0013] As a further description of the above technical solution:
[0014] A rubber pad is fixedly connected to the top wall of the slider device, and the rubber pad has a rectangular shape.
[0015] The above technical solution reduces damage to the top of the slider device caused by the installation structure, thanks to the connection of the rubber pad.
[0016] As a further description of the above technical solution:
[0017] Each of the bolts has a rubber ring fixedly connected to its center, and the rubber rings are all designed symmetrically.
[0018] The above technical solution reduces the rotational damage to the connector caused by the bolts by using a rubber ring connection.
[0019] As a further description of the above technical solution:
[0020] Two protective plates are fixedly connected to the middle of the opposite side of each of the two reinforcing ribs, and the outer walls of the multiple protective plates are all designed to be smooth.
[0021] The above technical solution reduces damage to the outer side of the reinforcing ribs by connecting the protective plate.
[0022] As a further description of the above technical solution:
[0023] The guide rail is coated with diamond-like carbon on both the left and right sides and features a cubic Bezier transition curve design.
[0024] The above technical solution reduces the stress concentration factor of the guide rail when using a diamond-like carbon coating and a cubic Bezier transition curve design.
[0025] As a further description of the above technical solution:
[0026] The top wall of the slider device has two mounting slots on each of its left and right sides, and the mounting slots are all equally spaced.
[0027] The above technical solution enables the installation of the processed structure through the connection of the mounting slot.
[0028] This utility model has the following beneficial effects:
[0029] 1. The utility model discloses a reinforcing rib and the sliding installation of slider equipment make multiple guide posts can be engaged with guide groove, under the rotation of locking plate, make its bottom and the one side of reinforcing rib complete locking, under the rotation of bolt, make it can complete the fixed mounting of reinforcing rib bottom, vice versa complete dismounting, thereby through the reinforcing rib of dismounting, improved the anti -deformation effect of structure, further avoided the situation that the precision will have attenuation change caused by the rigidity drop.
[0030] 2. The utility model discloses under the connection of buffer layer and multiple compression -resistant cushion plate, can effectively reduce the situation that the structure is damaged internally caused by external pressure, under the connection of connecting layer and titanium alloy base layer, can effectively increase the overall strength of reinforcing rib, under the connection of reinforcing layer, can improve the protection effect of reinforcing rib, thereby prolong the service life of structure. DRAWINGS
[0031] Figure 1 It is the perspective view of the precision rolling linear guide rail pair with anti -deformation structure that the utility model proposes;
[0032] Figure 2 It is the front view of the precision rolling linear guide rail pair with anti -deformation structure that the utility model proposes;
[0033] Figure 3 It is the sectional view of the reinforcing rib of the precision rolling linear guide rail pair with anti -deformation structure that the utility model proposes;
[0034] Figure 4 It is the structure schematic view of the guide post of the precision rolling linear guide rail pair with anti -deformation structure that the utility model proposes;
[0035] Figure 5 It is the schematic diagram of the reinforcing mechanism of the precision rolling linear guide rail pair with anti -deformation structure that the utility model proposes.
[0036] Legend:
[0037] 1, guide rail, 2, reinforcing mechanism, 201, buffer layer, 202, compression -resistant cushion plate, 203, connecting layer, 204, titanium alloy base layer, 205, reinforcing layer, 206, fixed grid plate, 207, protection plate, 3, slider equipment, 4, guide groove, 5, reinforcing rib, 6, guide post, 7, protection plate, 8, locking plate, 9, locking groove, 10, connecting seat, 11, bolt, 12, rubber pad, 13, installation groove, 14, rubber ring, 15, diamond -like carbon plating. Specific implementation
[0038] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0039] With reference to Figure 1 , Figure 2 and Figure 4 , the present application provides an embodiment: a precision rolling linear guide rail pair with anti-deformation structure, comprising a guide rail 1 and two reinforcing ribs 5, the top wall of the guide rail 1 is slidably connected with a sliding block device 3, the left and right sides of the sliding block device 3 are each provided with two guide grooves 4, under the provision of the guide grooves 4, the reinforcing ribs 5 can be pushed to assist installation, the adjacent side of the two reinforcing ribs 5 is fixedly connected with two guide columns 6, the outer walls of the plurality of guide columns 6 are respectively slidably connected with the corresponding guide grooves 4, the left and right top sides of the sliding block device 3 are each rotatably connected with two locking plates 8, through the sliding of the guide columns 6, they can be slidably engaged with the guide grooves 4, the top of the side away from each other of the two reinforcing ribs 5 is provided with a locking groove 9, the bottoms of the plurality of locking plates 8 are respectively engaged with the corresponding locking grooves 9, then under the overturning of the locking plates 8, the bottom end can be locked with the top of the reinforcing ribs 5, the bottom walls of the two reinforcing ribs 5 are each fixedly connected with two connecting seats 10, the sides away from each other of the plurality of connecting seats 10 are each threadedly connected with a bolt 11, the ends of the plurality of bolts 11 are respectively threadedly connected at the left and right bottom sides of the sliding block device 3, then under the rotation of the bolts 11, they can fix the bottom of the reinforcing ribs 5, the inner walls of the two reinforcing ribs 5 are each provided with an enhancing mechanism 2 on the side away from each other;
[0040] Specifically, one side of the reinforcing rib 5 is slidably installed with one side of the sliding block device 3, ensuring that the reinforcing rib 5 can stably slide along the sliding block device 3, the plurality of guide columns 6 are slidably engaged with the guide grooves 4, so that the reinforcing rib 5 can maintain the correct position during installation, thereby completing the preliminary installation of the reinforcing rib 5, by overturning the locking plate 8, the bottom thereof is engaged with the locking groove 9 on one side of the top of the reinforcing rib 5, by rotating the bolt 11, the end thereof can be closely connected with the fixing hole on the bottom of the reinforcing rib 5, thereby ensuring the stable installation of the reinforcing rib 5, on the contrary, when the reinforcing rib 5 needs to be disassembled, it can be realized by operating according to the reverse steps, the detachable design makes the replacement and maintenance of the reinforcing rib 5 more convenient, by adopting this detachable reinforcing rib 5 design, the anti-deformation effect of the whole structure is improved, and since the stability of the structure is improved, the problem of machining precision attenuation caused by the decrease in rigidity is further avoided.
[0041] With reference to Figure 1 ,Figure 3 And Figure 5 The reinforcing mechanism 2 comprises two buffer layers 201, the opposite sides of the two buffer layers 201 are fixedly connected to the inner walls of the corresponding reinforcing ribs 5, so that the damage of external pressure on the structure can be reduced under the connection of the buffer layer 201, one side of the buffer layer 201 is fixedly connected with a plurality of compression-resistant backing plates 202, the other side of the buffer layer 201 is fixedly connected with a connecting layer 203, the connecting effect of the titanium alloy base layer 204 and the buffer layer 201 can be improved through the connection of the connecting layer 203, the adjacent sides of the two connecting layers 203 are fixedly connected with titanium alloy base layers 204, the adjacent sides of the two titanium alloy base layers 204 are fixedly connected with reinforcing layers 205, the strength of the internal structure can be improved through the reinforcing layer 205, and the inner bottom wall of the reinforcing layer 205 is fixedly connected with a fixed grid plate 206.
[0042] Specifically, through the connection between the buffer layer 201 and the compression-resistant backing plate 202, the damage of the reinforcing rib 5 under external pressure can be reduced, not only the bonding strength between the buffer layer 201 and the titanium alloy base layer 204 is improved, but also the overall structural stability of the reinforcing rib 5 is further enhanced through such reinforced connection, the protection ability of the outer side of the reinforcing rib 5 is further improved through the setting of the reinforcing layer 205, so that the service life of the reinforcing rib 5 is effectively prolonged, and the reliability and durability of the reinforcing rib 5 in the working environment are ensured.
[0043] Referring to Figure 1 , Figure 4 and Figure 5 The reinforcing mechanism 2 further comprises a plurality of protection plates 207, the opposite sides of the plurality of protection plates 207 are fixedly connected to the inner walls of the corresponding reinforcing layers 205; the top wall of the sliding block device 3 is fixedly connected with a rubber pad 12, the shape of the rubber pad 12 adopts a rectangular design; the middle parts of the plurality of bolts 11 are fixedly connected with rubber rings 14, and the plurality of rubber rings 14 adopt a symmetrical design.
[0044] Specifically, the strength of the reinforcing layer 205 can be further improved through the plurality of protection plates 207, the abrasion of the sliding block device 3 on the top part of the mounting structure can be reduced through the rubber pad 12, and the rotational abrasion of the bolt 11 on the connecting seat 10 can be reduced through the plurality of rubber rings 14.
[0045] Referring to Figure 1 , Figure 2 and Figure 3 The middle parts of the opposite sides of the two reinforcing ribs 5 are fixedly connected with two protective plates 7, and the outer walls of the plurality of protective plates 7 adopt a smooth design; the left and right sides of the guide rail 1 are provided with diamond-like carbon coatings 15, and adopt a three times Bezier transition curve design; the top wall of the sliding block device 3 is provided with two mounting grooves 13 on the left and right sides, and the plurality of mounting grooves 13 adopt an equidistant design.
[0046] Specifically, the outer wall of the reinforcing rib 5 can be reduced by the protection plate 7 The influence of wear and tear, the left and right sides of the guide rail 1 are provided with a diamond-like coating 15, and a cubic Bezier transition curve is designed, which reduces the stress concentration coefficient of the guide rail 1, and the plurality of mounting grooves 13 can be conveniently fixed and installed.
[0047] Working principle: in use, one side of the reinforcing rib 5 is slidably installed with the slider device 3, so that the plurality of guide columns 6 can be slidably engaged with the guide groove 4, and the preliminary installation of the reinforcing rib 5 is completed, then the turnover locking plate 8 is turned over, and the bottom is engaged with the locking groove 9 on one side of the top of the reinforcing rib 5, and the top of the reinforcing rib 5 is fixed, and under the rotation of the bolt 11, the end can complete the fixation of the bottom of the reinforcing rib 5, and vice versa, the disassembly of the reinforcing rib 5 is completed, so that the detachable reinforcing rib 5 improves the anti-deformation effect of the structure, and further avoids the situation that the machining precision will be attenuated due to the decrease of rigidity;
[0048] And, under the connection of the buffer layer 201 and the compression pad 202, the inside of the reinforcing rib 5 can be effectively reduced to avoid damage caused by external pressure, and under the connection of the connecting layer 203, the connection between the buffer layer 201 and the titanium alloy base layer 204 can be improved, thereby effectively increasing the overall strength of the reinforcing rib 5, and through the setting of the reinforcing layer 205, the protection effect of the outer side of the reinforcing rib 5 is improved, thereby effectively prolonging the service life of the reinforcing rib 5.
[0049] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement of some technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A precision rolling linear guide rail pair with anti-deformation structure, comprising a guide rail (1) and two reinforcing ribs (5), characterized in that: The top wall of the guide rail (1) is slidably connected with a sliding block device (3), both left and right sides of the sliding block device (3) are provided with two guide grooves (4), both sides of the two adjacent reinforcing ribs (5) are fixedly connected with two guide columns (6), the outer walls of the plurality of guide columns (6) are slidably connected with the corresponding guide grooves (4), both left and right top sides of the sliding block device (3) are rotatably connected with two locking plates (8), the top sides of both sides of the two reinforcing ribs (5) are provided with locking grooves (9), the bottoms of the plurality of locking plates (8) are respectively clamped with the corresponding locking grooves (9), the bottom walls of the two reinforcing ribs (5) are fixedly connected with two connecting seats (10), the sides away from each other of the plurality of connecting seats (10) are threadedly connected with bolts (11), the ends of the plurality of bolts (11) are respectively threadedly connected with the left and right bottom sides of the sliding block device (3), and the inner walls of both sides of the two reinforcing ribs (5) are provided with reinforcing mechanisms (2).
2. The precision rolling linear guide rail pair with anti-deformation structure according to claim 1, characterized in that: The reinforcing mechanism (2) comprises two buffer layers (201), both sides of the two buffer layers (201) are fixedly connected with the inner walls of the corresponding reinforcing ribs (5), one side of the buffer layer (201) is fixedly connected with a plurality of compression-resistant pad plates (202), the other side of the buffer layer (201) is fixedly connected with a connecting layer (203), both sides of the two connecting layers (203) are fixedly connected with titanium alloy base layers (204), both sides of the two titanium alloy base layers (204) are fixedly connected with reinforcing layers (205), and the inner bottom wall of the reinforcing layer (205) is fixedly connected with a fixed grid plate (206).
3. The precision rolling linear guide rail pair with anti-deformation structure according to claim 2, characterized in that: The reinforcing mechanism (2) further comprises a plurality of protection plates (207), and the sides away from each other of the plurality of protection plates (207) are respectively fixedly connected with the inner walls of the corresponding reinforcing layers (205).
4. The precision rolling linear guide rail pair with anti-deformation structure according to claim 1, characterized in that: The top wall of the sliding block device (3) is fixedly connected with a rubber pad (12), and the outer shape of the rubber pad (12) is designed in a rectangular shape.
5. The precision rolling linear guide rail pair with anti-deformation structure according to claim 1, characterized in that: The middle portions of the plurality of bolts (11) are fixedly connected with rubber rings (14), and the plurality of rubber rings (14) are designed in a symmetrical manner.
6. The precision rolling linear guide rail pair with anti-deformation structure according to claim 1, characterized in that: The middle portions of both sides of the two reinforcing ribs (5) are fixedly connected with two protection plates (7), and the outer walls of the plurality of protection plates (7) are designed in a smooth manner.
7. The precision rolling linear guide rail pair with anti-deformation structure according to claim 1, characterized in that: Both left and right sides of the guide rail (1) are provided with diamond-like carbon coatings (15), and are designed in a cubic Bezier transition curve.
8. The precision rolling linear guide rail pair with anti-deformation structure according to claim 1, characterized in that: Both left and right sides of the top wall of the sliding block device (3) are provided with two mounting grooves (13), and the plurality of mounting grooves (13) are designed in an equidistant manner.
Citation Information
Patent Citations
Precision linear rolling guide rail pair
CN203453293U