CN217558779U - Two-dimensional displacement platform - Google Patents
Two-dimensional displacement platform Download PDFInfo
- Publication number
- CN217558779U CN217558779U CN202221389693.4U CN202221389693U CN217558779U CN 217558779 U CN217558779 U CN 217558779U CN 202221389693 U CN202221389693 U CN 202221389693U CN 217558779 U CN217558779 U CN 217558779U
- Authority
- CN
- China
- Prior art keywords
- guide rail
- sliding
- side wall
- limiting
- arc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Bearings For Parts Moving Linearly (AREA)
Abstract
The utility model discloses a two-dimensional displacement platform, which comprises a first main body, a second main body and a connecting piece, wherein the connecting piece comprises a first guide rail part and a second guide rail part, the extending direction of the first guide rail part and the extending direction of the second guide rail are arranged in an angle, and the first guide rail part and the second guide rail part are integrated into a whole; the first main body is provided with a first sliding part matched with the first guide rail part in a sliding mode, and the second main body is provided with a second sliding part matched with the second guide rail part in a sliding mode. The utility model discloses its first guide rail portion and second guide rail portion are integrative, and the event is the angle between the two and is guaranteed by production facility like lathe self processing, and the event connecting piece is that the stability and the precision of first guide rail portion and second guide rail portion are higher promptly.
Description
Technical Field
The utility model belongs to the technical field of displacement platform and specifically relates to a two-dimensional displacement platform.
Background
The two-dimensional displacement platform is a mechanism capable of forming displacement in an XY plane, and comprises a bottom plate, a platform, a first guide rail and a second guide rail, wherein the bottom plate is arranged in a sliding manner with the first guide rail, the platform is arranged in a sliding manner with the second guide rail, and the first guide rail and the second guide rail are arranged at an angle, so that the platform can slide in the XY two-dimensional plane relative to the bottom plate.
In the prior art, the first guide rail and the second guide rail are arranged in a split manner, and are fixed manually after being processed respectively, and the angle formed between the first guide rail and the second guide rail needs to be ensured during manual installation, so that the assembly difficulty is high, and the labor cost is increased undoubtedly; and the stability and the precision of product are difficult to guarantee in manual assembly.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough that exists among the prior art, the utility model provides a two-dimensional displacement platform, its first guide rail portion and second guide rail portion are integrative piece, so the angle that is between the two is guaranteed by production facility like lathe self processing, so the connecting piece is that the stability and the precision of first guide rail portion and second guide rail portion are higher.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a two-dimensional displacement platform comprises a first main body, a second main body and a connecting piece, wherein the connecting piece comprises a first guide rail part and a second guide rail part, the extending direction of the first guide rail part and the extending direction of the second guide rail are arranged at an angle, and the first guide rail part and the second guide rail part are formed into a whole, namely the connecting piece is a whole; the first main body is provided with a first sliding part matched with the first guide rail part in a sliding mode, and the second main body is provided with a second sliding part matched with the second guide rail part in a sliding mode.
By adopting the structure, the second main body can slide on a two-dimensional plane relative to the first main body by means of the matching of the first guide rail part and the first sliding part and the matching of the second guide rail part and the second sliding part;
in the structure, the first guide rail part and the second guide rail part are integrated, so that an angle formed between the first guide rail part and the second guide rail part in actual production is ensured by processing production equipment such as a machine tool, and the stability and the accuracy of the connecting piece, namely the first guide rail part and the second guide rail part, are higher compared with the stability and the accuracy of the connecting piece assembled together by manpower in the later period; and in the final assembly among the first main body, the second main body and the connecting piece, the assembly difficulty is greatly reduced, and the yield is increased.
Further, the extending direction of the first rail portion is orthogonal to the extending direction of the second rail portion, that is, the first rail portion and the second rail portion are orthogonal to each other.
By adopting the structure, the second main body slides relative to the first main body in a two-dimensional plane more smoothly and conforms to the operation habit;
the first guide rail part and the second guide rail part are integrated, so that the orthogonality of the two guide rail parts is guaranteed by processing of production equipment such as a machine tool so as to guarantee stability and accuracy between the two guide rail parts.
Further, one side surface of the first body is recessed to form the first sliding portion matched with the first guide rail, and the first guide rail portion is arranged in the first sliding portion; one side surface of the second main body is recessed to form the second sliding part matched with the second guide rail, and the second guide rail part is arranged in the second sliding part;
specifically, the width of the first sliding part matches with the width of the first guide rail part, and the width of the second sliding part matches with the width of the second guide rail part; two ends of the first sliding part penetrate through the first main body, and two ends of the second sliding part penetrate through the second main body;
with the above structure, the first guide rail portion is disposed in the first sliding portion, so that the connecting member can slide along the extending direction of the first guide rail under the restriction of the side walls on both sides of the first sliding portion and the side walls on both sides of the first guide rail portion; the second guide rail portion is provided in the second sliding portion, so that the second body can slide along the extending direction of the second guide rail under the restriction of the side walls on both sides of the second sliding portion and the side walls on both sides of the second guide rail portion.
Further, a first ball is arranged between the side wall of the first sliding part and the side wall of the first guide rail part; and a second ball is arranged between the side wall of the second sliding part and the side wall of the second guide rail part.
With the structure, the first ball is arranged, so that the sliding between the first guide rail part and the first sliding part is smoother; the second ball is arranged so that the second guide rail part and the second sliding part can slide more smoothly.
Furthermore, the side wall of the first sliding part is sunken to form a first arc-shaped groove matched with the first ball, and the side wall of the first guide rail part is sunken to form a second arc-shaped groove matched with the first ball; the first arc-shaped groove and the second arc-shaped groove are oppositely arranged, and the first ball is positioned between the first arc-shaped groove and the second arc-shaped groove;
the side wall of the second sliding part is sunken to form a third arc-shaped groove matched with the second ball, the side wall of the second guide rail part is sunken to form a fourth arc-shaped groove matched with the second ball, the third arc-shaped groove and the fourth arc-shaped groove are oppositely arranged, and the second ball is located between the third arc-shaped groove and the fourth arc-shaped groove.
By adopting the structure, the arrangement of the first arc-shaped groove and the second arc-shaped groove is beneficial to the matching of the first ball with the side wall of the first sliding part and the side wall of the first guide rail part; the third arc-shaped groove and the fourth arc-shaped groove are arranged to facilitate the second ball to be matched with the side wall of the second sliding part and the side wall of the second guide rail;
the two-dimensional plane on which the second body slides relative to the first body is an XY plane;
the first ball, the first arc-shaped groove and the second arc-shaped groove are matched to limit the movement between the first guide rail part and the first sliding part in the direction vertical to the XY plane, namely, the first guide rail part and the first sliding part are prevented from being separated in the direction vertical to the XY plane; the second ball, the third arc-shaped groove and the fourth arc-shaped groove are matched to limit the movement between the second guide rail part and the second sliding part in the direction vertical to the XY plane, namely, the second guide rail part and the second sliding part are prevented from being separated in the direction vertical to the XY plane;
further, the distance from the center of the second arc-shaped groove to the side, facing the bottom surface of the first sliding part, of the first guide rail part is smaller than the distance from the center of the first arc-shaped groove to the bottom surface of the first sliding part;
the distance from the center of the fourth arc-shaped groove to one side of the second guide rail part, which faces the bottom surface of the second sliding part, is smaller than the distance from the center of the third arc-shaped groove to the bottom surface of the second sliding part.
With the above structure, the first guide rail is assembled in the first sliding part, and because the first arc-shaped groove and the second arc-shaped groove need to be opposite, after the first guide rail and the second guide rail are assembled, a gap exists between one side of the first guide rail, which faces the bottom surface of the first sliding part, and the bottom surface of the first sliding part so as to avoid friction between the two surfaces;
the second guide rail is assembled into the second sliding part, and because the third arc-shaped groove and the fourth arc-shaped groove are required to be opposite, a gap exists between one side of the second guide rail, which faces the bottom surface of the second sliding part, and the bottom surface of the second sliding part after the second guide rail is assembled, so that friction between the two surfaces is avoided.
Further, a first limiting part and a second limiting part are arranged on the side wall of the first sliding part along the extending direction of the first guide rail part, and a distance is reserved between the first limiting part and the second limiting part; a third limiting part and a fourth limiting part are arranged on the side wall of the first guide rail part along the extending direction of the first guide rail part, a distance is reserved between the third limiting part and the fourth limiting part, the first limiting part and the third limiting part are matched to limit the sliding distance of the first guide rail part relative to the first sliding part in one direction, and the second limiting part and the fourth limiting part are matched to limit the sliding distance of the first guide rail part relative to the second sliding part in the other direction;
a fifth limiting part and a sixth limiting part are arranged on the side wall of the second sliding part along the extending direction of the second guide rail part, and a distance is reserved between the fifth limiting part and the sixth limiting part; the side wall of the second guide rail part is provided with a seventh limiting part and an eighth limiting part along the extending direction of the side wall, a distance is reserved between the seventh limiting part and the eighth limiting part, the fifth limiting part and the seventh limiting part are matched to limit the sliding distance of the second sliding part relative to the second guide rail part in one direction, and the sixth limiting part and the eighth limiting part are matched to limit the sliding distance of the second sliding part relative to the second guide rail part in the other direction.
With the above configuration, the first guide rail portion is prevented from being separated from the first sliding portion when sliding in the extending direction thereof, and the second sliding portion is prevented from being separated from the second guide rail portion when sliding in the extending direction of the second guide rail portion;
specifically, if the first ball is not provided, the first guide rail portion is restricted from continuing to slide in the lateral direction when the first restricting portion is in contact with the third restricting portion in a process of sliding in one direction with respect to the first sliding portion, and the first guide rail portion is restricted from continuing to slide in the lateral direction when the second restricting portion is in contact with the fourth restricting portion in a process of sliding in the other direction with respect to the first sliding portion;
if the first ball is arranged, in the process that the first guide rail part slides in one direction relative to the first sliding part, when the first limiting part and the third limiting part are both contacted with the first ball, the first guide rail part is limited to continue sliding in the side direction, and in the process that the first guide rail part slides in the other direction relative to the first sliding part, when the second limiting part and the fourth limiting part are both contacted with the first ball, the first guide rail part is limited to continue sliding in the side direction;
the fifth limiting part, the sixth limiting part, the seventh limiting part and the eighth limiting part have the same structure.
Further, the first limiting part and the second limiting part are respectively arranged at two ends of the side wall of the first sliding part; the third limiting part and the fourth limiting part are respectively arranged at two ends of the side wall of the first guide rail part; the fifth limiting part and the sixth limiting part are respectively arranged at two ends of the side wall of the two sliding parts; the seventh limiting portion and the eighth limiting portion are respectively disposed at both ends of the side wall of the second guide rail portion.
With the above configuration, the sliding distance of the first rail part with respect to the first sliding part and the sliding distance of the second sliding part with respect to the second rail part can be ensured as much as possible.
Furthermore, screws are arranged at two ends of the side wall of the first sliding part, and nuts of the screws protrude out of the side wall of the first sliding part to form the first limiting part and the second limiting part; screws are arranged at two ends of the side wall of the first guide rail part, and nuts of the screws protrude out of the side wall of the first guide rail part to form a third limiting part and a fourth limiting part; screws are arranged at two ends of the side wall of the second sliding part, and nuts of the screws protrude out of the side wall of the second sliding part to form a fifth limiting part and a sixth limiting part; screws are arranged at two ends of the side wall of the second guide rail part, and nuts of the screws protrude out of the side wall of the second guide rail part to form the seventh limiting part and the eighth limiting part.
By adopting the structure, the actual production and installation are convenient.
Furthermore, a plurality of first balls are arranged between the side wall of the first sliding part and the side wall of the first guide rail part; and a plurality of second balls are arranged between the side wall of the second sliding part and the side wall of the second guide rail part.
With the above structure, the smoothness of the sliding between the first sliding portion and the first guide rail portion and the smoothness of the sliding between the second sliding portion and the second guide rail portion are further improved.
Further, the two-dimensional displacement platform comprises a first retainer and a second retainer; the first retainer is arranged between the side wall of the first sliding part and the side wall of the first guide rail part, and a plurality of first ball mounting holes for mounting the first balls are formed in the first retainer;
the second retainer is arranged between the side wall of the second sliding part and the side wall of the second guide rail part, and a plurality of second ball mounting holes for mounting the second balls are formed in the second retainer.
With the above structure, the arrangement of the first holder and the second holder is as follows: each first ball and each second ball can be separated so as to reduce friction and heat generation in work; the distance between the first balls can be kept equal and the distance between the second balls can be kept equal so that the load is evenly distributed.
The first limiting part, the second limiting part, the third limiting part and the fourth limiting part are in contact with the first retainer, namely in contact with the first ball; the contact between the fifth limiting part, the sixth limiting part, the seventh limiting part and the eighth limiting part and the second retainer is the contact with the second ball.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) The utility model discloses two-dimensional displacement platform, its first guide rail portion and second guide rail portion are integrative, so the angle that is between the two is guaranteed by production facility like lathe self processing, so the connecting piece is first guide rail portion and second guide rail portion's stability and precision higher promptly.
(2) The utility model discloses two dimension displacement platform, its structure sets up rationally.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of the two-dimensional displacement platform of the present invention;
fig. 2 is a schematic diagram of the explosion structure of the two-dimensional displacement platform of the present invention;
fig. 3 is a schematic structural diagram of the first main body in the two-dimensional displacement platform of the present invention;
fig. 4 is a schematic structural diagram of a second main body in the two-dimensional displacement platform of the present invention;
fig. 5 is a schematic structural view of a connecting member in the two-dimensional displacement platform of the present invention;
fig. 6 is a schematic structural diagram of a first ball and a first retainer (a second ball and a second retainer) in the two-dimensional displacement platform of the present invention;
reference numerals: 1 a first body; 101 a first sliding part; 1011 a first arc-shaped groove; 2. a second body; 201 a second sliding part; 2011 third arcuate slot; 3, connecting pieces; 301 a first guide rail portion; 3011 a second arc-shaped slot; 302 a second guide rail portion; 3021 a fourth arc-shaped groove; 4, a first ball bearing; 5 a second ball bearing; 6 a first restriction portion; 7 a second restricting portion; 8 a third restriction portion; 9 a fourth restricting portion; 10 a fifth restricting portion; 11 a sixth restricting portion; 12 a seventh restricting portion; 13 an eighth restricting portion; 14 a first holder; 1401 a first ball mounting hole; 15 a second cage; 1501 second ball mounting hole.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 6, a two-dimensional displacement platform comprises a first body 1, a second body 2, and a connecting member 3, wherein the connecting member 3 comprises a first guide rail portion 301 and a second guide rail portion 302, the extending direction of the first guide rail portion 301 is disposed at an angle to the extending direction of the second guide rail, and the first guide rail portion 301 and the second guide rail portion 302 are formed into a whole, that is, the connecting member 3 is a single piece; the first body 1 is provided with a first sliding portion 101 slidably engaged with the first guide rail portion 301, and the second body 2 is provided with a second sliding portion 201 slidably engaged with the second guide rail portion 302.
With the above structure, the second body 2 can slide on the two-dimensional plane with respect to the first body 1 by the cooperation of the first rail portion 301 and the first sliding portion 101 and the cooperation of the second rail portion 302 and the second sliding portion 201;
in the above structure, the first guide rail part 301 and the second guide rail part 302 are an integral piece, so that an angle formed between the first guide rail part 301 and the second guide rail part 302 in actual production is ensured by processing of production equipment such as a machine tool, so that the stability and accuracy of the connecting member 3, namely the first guide rail part 301 and the second guide rail part 302, are higher than those of the connecting member which is assembled together by manual work in a later period; and in the final assembly between the first body 1, the second body 2, and the connecting member 3, the difficulty of assembly is greatly reduced, which increases the yield.
Preferably, the extending direction of the first rail portion 301 is orthogonal to the extending direction of the second rail portion 302, that is, the first rail portion 301 and the second rail portion 302 are orthogonal to each other.
By adopting the structure, the second main body 2 slides relative to the first main body 1 in a two-dimensional plane more smoothly and conforms to the operation habit;
the first guide rail portion 301 and the second guide rail portion 302 are an integral piece, so that the orthogonality between the two is ensured by the processing of production equipment such as a machine tool itself to ensure the stability and precision between the two.
Preferably, one side surface of the first body 1 is recessed to form the first sliding portion 101 matching with the first guide rail, and the first guide rail portion 301 is disposed in the first sliding portion 101; one side surface of the second body 2 is recessed to form the second sliding portion 201 matched with the second guide rail, and the second guide rail portion 302 is disposed in the second sliding portion 201;
specifically, the width of the first sliding part 101 matches the width of the first rail part 301, and the width of the second sliding part 201 matches the width of the second rail part 302; both ends of the first sliding portion 101 penetrate the first body 1, and both ends of the second sliding portion 201 penetrate the second body 2;
with the above structure, the first guide rail portion 301 is disposed in the first sliding portion 101, so that the connecting member 3 can slide along the extending direction of the first guide rail under the restriction of the side walls on both sides of the first sliding portion 101 and the side walls on both sides of the first guide rail portion 301; the second guide rail portion 302 is provided in the second sliding portion 201, so that the second body 2 can slide along the extending direction of the second guide rail under the restriction of the side walls on both sides of the second sliding portion 201 and the side walls on both sides of the second guide rail portion 302.
Preferably, a first ball 4 is disposed between a side wall of the first sliding portion 101 and a side wall of the first rail portion 301; a second ball 5 is disposed between the side wall of the second sliding portion 201 and the side wall of the second rail portion 302.
With the above structure, the first balls 4 are arranged to make the sliding between the first guide rail portion 301 and the first sliding portion 101 smoother; the second balls 5 are provided to make the sliding between the second rail portion 302 and the second sliding portion 201 smoother.
Preferably, the side wall of the first sliding part 101 is recessed to form a first arc-shaped groove 1011 matching with the first ball 4, and the side wall of the first guide rail part 301 is recessed to form a second arc-shaped groove 3011 matching with the first ball 4; the first arc-shaped groove 1011 is opposite to the second arc-shaped groove 3011, and the first ball 4 is located between the first arc-shaped groove 1011 and the second arc-shaped groove 3011;
the side wall of the second sliding portion 201 is recessed to form a third arc-shaped groove 2011 matched with the second ball 5, the side wall of the second guide rail portion 302 is recessed to form a fourth arc-shaped groove 3021 matched with the second ball 5, the third arc-shaped groove 2011 and the fourth arc-shaped groove 3021 are arranged oppositely, and the second ball 5 is located between the third arc-shaped groove 2011 and the fourth arc-shaped groove 3021.
By adopting the structure, the arrangement of the first arc-shaped groove 1011 and the second arc-shaped groove 3011 is beneficial to the matching of the first ball 4 with the side wall of the first sliding part 101 and the side wall of the first guide rail part 301; the third arc-shaped groove 2011 and the fourth arc-shaped groove 3021 are arranged to facilitate the second ball 5 to be matched with the side wall of the second sliding part 201 and the side wall of the second guide rail part 302;
the two-dimensional plane on which the second body 2 slides relative to the first body 1 is an XY plane;
and the cooperation among the first ball 4, the first arc-shaped groove 1011 and the second arc-shaped groove 3011 can limit the movement between the first guide rail part 301 and the first sliding part 101 in the direction perpendicular to the XY plane, i.e. prevent the first guide rail part 301 and the first sliding part 101 from being separated in the direction perpendicular to the XY plane; the cooperation among the second ball 5, the third arc-shaped groove 2011 and the fourth arc-shaped groove 3021 can limit the movement between the second rail part 302 and the second sliding part 201 in the direction vertical to the XY plane, i.e. prevent the second rail part 302 and the second sliding part 201 from being separated in the direction vertical to the XY plane;
preferably, the distance from the center of the second arc-shaped slot 3011 to the side of the first guide rail part 301 facing the bottom surface of the first sliding part 101 is less than the distance from the center of the first arc-shaped slot 1011 to the bottom surface of the first sliding part 101;
the distance from the center of the fourth arc groove 3021 to the side of the second rail portion 302 facing the bottom surface of the second slide portion 201 is smaller than the distance from the center of the third arc groove 2011 to the bottom surface of the second slide portion 201.
With the above structure, when the first guide rail is assembled in the first sliding portion 101, since the first arc-shaped groove 1011 and the second arc-shaped groove 3011 need to be opposite to each other, after the first guide rail and the second guide rail are assembled, a gap exists between one side of the first guide rail facing the bottom surface of the first sliding portion 101 and the bottom surface of the first sliding portion 101 so as to avoid friction between the two surfaces;
the second guide rail is assembled in the second sliding portion 201, and since the third arc-shaped groove 2011 and the fourth arc-shaped groove 3021 need to be opposite, a gap exists between one side of the second guide rail facing the bottom surface of the second sliding portion 201 and the bottom surface of the second sliding portion 201 after the second guide rail is assembled, so as to avoid friction between the two surfaces.
Preferably, a first limiting portion 6 and a second limiting portion 7 are disposed on a side wall of the first sliding portion 101 along an extending direction of the first guide rail portion 301, and a distance is provided between the first limiting portion 6 and the second limiting portion 7; a third limiting portion 8 and a fourth limiting portion 9 are arranged on the side wall of the first guide rail portion 301 along the extending direction of the first guide rail portion, and a distance is arranged between the third limiting portion 8 and the fourth limiting portion 9, the first limiting portion 6 and the third limiting portion 8 cooperate to limit the sliding distance of the first guide rail portion 301 relative to the first sliding portion 101 in one direction, and the second limiting portion 7 and the fourth limiting portion 9 cooperate to limit the sliding distance of the first guide rail portion 301 relative to the second sliding portion 201 in the other direction;
a fifth limiting part 10 and a sixth limiting part 11 are arranged on the side wall of the second sliding part 201 along the extending direction of the second guide rail part 302, and a distance is reserved between the fifth limiting part 10 and the sixth limiting part 11; a seventh limiting portion 12 and an eighth limiting portion 13 are disposed on a side wall of the second rail portion 302 along an extending direction thereof, and a distance is provided between the seventh limiting portion 12 and the eighth limiting portion 13, the fifth limiting portion 10 cooperates with the seventh limiting portion 12 to limit a sliding distance of the second sliding portion 201 in one direction with respect to the second rail portion 302, and the sixth limiting portion 11 cooperates with the eighth limiting portion 13 to limit a sliding distance of the second sliding portion 201 in another direction with respect to the second rail portion 302.
With the above configuration, the first slide rail portion 301 is prevented from coming off the first slide portion 101 when sliding in the extending direction thereof, and the second slide portion 201 is prevented from coming off the second slide rail portion 302 when sliding in the extending direction of the second slide rail portion 302;
specifically, if the first balls 4 are not provided, the first rail 301 is restricted from sliding further in the one-side direction when the first restricting portion 6 is in contact with the third restricting portion 8 while sliding in the one-side direction with respect to the first sliding portion 101, and the first rail 301 is restricted from sliding further in the one-side direction when the second restricting portion 7 is in contact with the fourth restricting portion 9 while sliding in the other-side direction with respect to the first sliding portion 101 while sliding in the first sliding portion 301;
when the first balls 4 are provided, the first rail part 301 is restricted from continuously sliding in one direction with respect to the first sliding part 101 when both the first restricting part 6 and the third restricting part 8 contact the first balls 4, and the first rail part 301 is restricted from continuously sliding in the one direction when both the second restricting part 7 and the fourth restricting part 9 contact the first balls 4 when the first rail part 301 slides in the other direction with respect to the first sliding part 101;
the fifth limiter 10, the sixth limiter 11, the seventh limiter 12, and the eighth limiter 13 are similar to each other.
Preferably, the first limiting portion 6 and the second limiting portion 7 are respectively disposed at two ends of a side wall of the first sliding portion 101; the third limiting part 8 and the fourth limiting part 9 are respectively arranged at two ends of the side wall of the first guide rail part 301; the fifth limiting part 10 and the sixth limiting part 11 are respectively arranged at two ends of the side wall of the two sliding parts; the seventh and eighth restrictions 12 and 13 are provided at both ends of the side wall of the second rail portion 302, respectively.
With the above configuration, the sliding distance of the first rail portion 301 with respect to the first sliding portion 101 and the sliding distance of the second sliding portion 201 with respect to the second rail portion 302 can be ensured as much as possible.
Preferably, screws are arranged at two ends of the side wall of the first sliding part 101, and nuts of the screws protrude out of the side wall of the first sliding part 101 to form the first limiting part 6 and the second limiting part 7; screws are arranged at two ends of the side wall of the first guide rail part 301, and nuts of the screws protrude out of the side wall of the first guide rail part 301 to form the third limiting part 8 and the fourth limiting part 9; screws are arranged at two ends of the side wall of the second sliding part 201, and nuts of the screws protrude out of the side wall of the second sliding part 201 to form the fifth limiting part 10 and the sixth limiting part 11; screws are arranged at two ends of the side wall of the second guide rail portion 302, and nuts of the screws protrude out of the side wall of the second guide rail portion 302 to form the seventh limiting portion 12 and the eighth limiting portion 13.
By adopting the structure, the actual production and installation are convenient.
Preferably, a plurality of first balls 4 are arranged between the side wall of the first sliding part 101 and the side wall of the first guide rail part 301; a plurality of second balls 5 are disposed between the side wall of the second sliding portion 201 and the side wall of the second rail portion 302.
With the above configuration, the smoothness of the sliding between the first sliding portion 101 and the first rail portion 301 and the smoothness of the sliding between the second sliding portion 201 and the second rail portion 302 are further improved.
Preferably, the two-dimensional displacement platform comprises a first holder 14 and a second holder 15; the first retainer 14 is disposed between the side wall of the first sliding portion 101 and the side wall of the first guide rail portion 301, and a plurality of first ball mounting holes 1401 for mounting the first balls 4 are disposed on the first retainer 14;
the second retainer 15 is disposed between the sidewall of the second sliding portion 201 and the sidewall of the second guide rail portion 302, and a plurality of second ball mounting holes 1501 for mounting the second balls 5 are formed in the second retainer 15.
With the above structure, the arrangement of the first holder 14 and the second holder 15: each of the first balls 4 and each of the second balls 5 may be separated to reduce friction and heat generation in operation; the distance between the first balls 4 can be kept equal and the distance between the second balls 5 can be kept equal so that the load is evenly distributed.
The first, second, third and fourth restricting portions 6, 7, 8, 9 are in contact with the first cage 14, that is, in contact with the first ball 4; the fifth restricting portion 10, the sixth restricting portion 11, the seventh restricting portion 12, and the eighth restricting portion 13 are in contact with the second cage 15, that is, in contact with the second ball 5.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and embellishments can be made without departing from the technical principle of the present invention, and these improvements and embellishments should also be regarded as the protection scope of the present invention.
Claims (10)
1. A two-dimensional displacement platform, its characterized in that: the connecting piece (3) comprises a first main body (1), a second main body (2) and a connecting piece (3), wherein the connecting piece (3) comprises a first guide rail part (301) and a second guide rail part (302), the extending direction of the first guide rail part (301) and the extending direction of the second guide rail are arranged at an angle, and the first guide rail part (301) and the second guide rail part (302) are formed into a whole; the first main body (1) is provided with a first sliding part (101) matched with the first guide rail part (301) in a sliding mode, and the second main body (2) is provided with a second sliding part (201) matched with the second guide rail part (302) in a sliding mode.
2. A two-dimensional displacement platform according to claim 1, wherein: the extending direction of the first guide rail part (301) is orthogonal to the extending direction of the second guide rail part (302).
3. The two-dimensional translation platform of claim 1, wherein: one side surface of the first body (1) is recessed to form the first sliding part (101) matched with the first guide rail, and the first guide rail part (301) is arranged in the first sliding part (101); one side surface of the second main body (2) is recessed to form the second sliding part (201) matched with the second guide rail, and the second guide rail part (302) is arranged in the second sliding part (201).
4. A two-dimensional displacement platform according to claim 3, wherein: a first ball (4) is arranged between the side wall of the first sliding part (101) and the side wall of the first guide rail part (301); and a second ball (5) is arranged between the side wall of the second sliding part (201) and the side wall of the second guide rail part (302).
5. The two-dimensional translation platform of claim 4, wherein: the side wall of the first sliding part (101) is sunken to form a first arc-shaped groove (1011) matched with the first ball (4), and the side wall of the first guide rail part (301) is sunken to form a second arc-shaped groove (3011) matched with the first ball (4); the first arc-shaped groove (1011) is opposite to the second arc-shaped groove (3011), and the first ball (4) is positioned between the first arc-shaped groove (1011) and the second arc-shaped groove (3011);
the side wall of the second sliding part (201) is sunken to form a third arc-shaped groove (2011) matched with the second ball (5), the side wall of the second guide rail part (302) is sunken to form a fourth arc-shaped groove (3021) matched with the second ball (5), the third arc-shaped groove (2011) and the fourth arc-shaped groove (3021) are oppositely arranged, and the second ball (5) is positioned between the third arc-shaped groove (2011) and the fourth arc-shaped groove (3021);
the distance from the center of the second arc-shaped groove (3011) to one side, facing the bottom surface of the first sliding part (101), of the first guide rail part (301) is smaller than the distance from the center of the first arc-shaped groove (1011) to the bottom surface of the first sliding part (101);
the distance from the center of the fourth arc-shaped groove (3021) to one side of the second guide rail part (302) facing the bottom surface of the second sliding part (201) is less than the distance from the center of the third arc-shaped groove (2011) to the bottom surface of the second sliding part (201).
6. A two-dimensional displacement platform according to claim 3 or 4, wherein: a first limiting part (6) and a second limiting part (7) are arranged on the side wall of the first sliding part (101) along the extending direction of the first guide rail part (301), and a distance is reserved between the first limiting part (6) and the second limiting part (7); a third limiting part (8) and a fourth limiting part (9) are arranged on the side wall of the first guide rail part (301) along the extending direction of the first guide rail part, a distance is reserved between the third limiting part (8) and the fourth limiting part (9), the first limiting part (6) and the third limiting part (8) are matched to limit the sliding distance of the first guide rail part (301) relative to the first sliding part (101) in one direction, and the second limiting part (7) and the fourth limiting part (9) are matched to limit the sliding distance of the first guide rail part (301) relative to the second sliding part (201) in the other direction;
a fifth limiting part (10) and a sixth limiting part (11) are arranged on the side wall of the second sliding part (201) along the extending direction of the second guide rail part (302), and a distance is reserved between the fifth limiting part (10) and the sixth limiting part (11); a seventh limiting portion (12) and an eighth limiting portion (13) are arranged on the side wall of the second guide rail portion (302) along the extending direction of the second guide rail portion, a distance is reserved between the seventh limiting portion (12) and the eighth limiting portion (13), the fifth limiting portion (10) and the seventh limiting portion (12) are matched to limit the sliding distance of the second sliding portion (201) relative to the second guide rail portion (302) in one direction, and the sixth limiting portion (11) and the eighth limiting portion (13) are matched to limit the sliding distance of the second sliding portion (201) relative to the second guide rail portion (302) in the other direction.
7. The two-dimensional displacement platform of claim 6, wherein: the first limiting part (6) and the second limiting part (7) are respectively arranged at two ends of the side wall of the first sliding part (101); the third limiting part (8) and the fourth limiting part (9) are respectively arranged at two ends of the side wall of the first guide rail part (301); the fifth limiting part (10) and the sixth limiting part (11) are respectively arranged at two ends of the side wall of the two sliding parts; the seventh limiting part (12) and the eighth limiting part (13) are respectively arranged at two ends of the side wall of the second guide rail part (302).
8. The two-dimensional displacement platform of claim 6, wherein: screws are arranged at two ends of the side wall of the first sliding part (101), and nuts of the screws protrude out of the side wall of the first sliding part (101) to form the first limiting part (6) and the second limiting part (7); screws are arranged at two ends of the side wall of the first guide rail part (301), and nuts of the screws protrude out of the side wall of the first guide rail part (301) to form a third limiting part (8) and a fourth limiting part (9); screws are arranged at two ends of the side wall of the second sliding part (201), and nuts of the screws protrude out of the side wall of the second sliding part (201) to form a fifth limiting part (10) and a sixth limiting part (11); screws are arranged at two ends of the side wall of the second guide rail part (302), and nuts of the screws protrude out of the side wall of the second guide rail part (302) to form the seventh limiting part (12) and the eighth limiting part (13).
9. A two-dimensional displacement platform according to claim 4 or 5, wherein: a plurality of first balls (4) are arranged between the side wall of the first sliding part (101) and the side wall of the first guide rail part (301); a plurality of second balls (5) are arranged between the side wall of the second sliding part (201) and the side wall of the second guide rail part (302).
10. A two-dimensional displacement platform according to claim 9 wherein: comprises a first retainer (14) and a second retainer (15); the first retainer (14) is arranged between the side wall of the first sliding part (101) and the side wall of the first guide rail part (301), and a plurality of first ball mounting holes (1401) for mounting the first balls (4) are arranged on the first retainer (14);
the second retainer (15) is arranged between the side wall of the second sliding part (201) and the side wall of the second guide rail part (302), and a plurality of second ball mounting holes (1501) used for mounting the second balls (5) are formed in the second retainer (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221389693.4U CN217558779U (en) | 2022-06-06 | 2022-06-06 | Two-dimensional displacement platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221389693.4U CN217558779U (en) | 2022-06-06 | 2022-06-06 | Two-dimensional displacement platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217558779U true CN217558779U (en) | 2022-10-11 |
Family
ID=83500216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221389693.4U Active CN217558779U (en) | 2022-06-06 | 2022-06-06 | Two-dimensional displacement platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217558779U (en) |
-
2022
- 2022-06-06 CN CN202221389693.4U patent/CN217558779U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2068016B1 (en) | Linear guidance device | |
| JPH0456167B2 (en) | ||
| US4363526A (en) | Linear motion ball bearing unit | |
| CN217558779U (en) | Two-dimensional displacement platform | |
| WO2020206866A1 (en) | Positive pressure heavy-load column rolling guide rail pair | |
| CN107269692A (en) | The linear slide rail of dustproof element on tool | |
| US11097387B2 (en) | Machining center | |
| JPS60143225A (en) | Rectilinear sliding roller bearing unit | |
| CN211082568U (en) | Linear guide and limiting block thereof | |
| US5562346A (en) | Linear ball guide assembly having high radial load capacity | |
| CN219197910U (en) | Stable long-life roller linear guide | |
| CN205660404U (en) | Fine setting elevating platform | |
| CN102593022A (en) | Cross rolling needle guide pair | |
| CN207464828U (en) | A kind of machine tool guideway with lubricant passage way | |
| CN210499229U (en) | Vertically distributed guide rail for gantry milling machine | |
| CN206415893U (en) | The combined guide rail structure of peeler | |
| GB2256902A (en) | Load bearing guide | |
| CN205341628U (en) | To reversion of inclined plane shape structure of punching a hole | |
| CN205928064U (en) | Workstation of panel processing equipment | |
| CN217002689U (en) | Linear sliding rail assembly | |
| CN215950143U (en) | Hot-rolled section steel for processing linear guide rail slide block | |
| JPH0552214A (en) | Linear sliding bearing | |
| CN220523083U (en) | Linear guide rail of circulating roller | |
| JPS58142020A (en) | Limitless slide bearing and applicable bearing unit | |
| CN217967400U (en) | Punching positioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |