CN215918198U

CN215918198U - Translation device

Info

Publication number: CN215918198U
Application number: CN202122507767.1U
Authority: CN
Inventors: 张博睿; 张斌; 张浩昌
Original assignee: Individual
Current assignee: Zhang Haochang
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-03-01
Anticipated expiration: 2031-10-18

Abstract

The utility model relates to a sliding table, in particular to a translation device, which comprises: the device comprises a fixed plate, a movable plate, a guide plate, a sliding connecting device, a sliding supporting device and a guide device; the movable plate is connected with the fixed plate in a sliding mode through the sliding connection devices and the sliding support devices, and the number of the sliding support devices is more than three; the guide plate is connected with the movable plate and the fixed plate through the guide device respectively. The translation device provided by the utility model simplifies the structure and the process, reduces the cost, is more convenient to assemble, and has uniform stress of the steel ball, small friction and long service life by changing the guide rail.

Description

Translation device

Technical Field

The utility model relates to a sliding table, in particular to a translation device.

Background

The cross sliding tables are commonly used moving devices, some of the cross sliding tables are provided with driving devices, some of the cross sliding tables are not provided with driving devices, and the sliding tables without the driving devices are used as movable bases. The existing sliding table guide rail adopts a V-shaped groove structure, the manufacturing process of the V-shaped structure has higher requirements on surface hardness, machining and assembling precision (comprising parallelism, planeness, straightness and verticality), the requirements on the matching of the horizontal and vertical guide rails are stricter, and the scope of the form is not broken through no matter how the form of the guide rail is changed, so that the cost is higher. The V-shaped groove structure adopts a steel ball or roller form, and has the defects that the steel ball and the V-shaped groove are in point contact, and the roller and the V-shaped groove are in line contact, but the guide rail is seriously damaged and loses precision in the reciprocating movement process of load translation, and the steel ball is easy to fall off when the load translation is uneven.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a translation device which has simple structure, simple process, low processing cost, uniform stress and long service life, and the specific technical scheme is as follows:

a translation device, comprising: the device comprises a fixed plate, a movable plate, a guide plate, a sliding connecting device, a sliding supporting device and a guide device; the movable plate is connected with the fixed plate in a sliding mode through the sliding connection devices and the sliding support devices, and the number of the sliding support devices is more than three; the guide plate is connected with the movable plate and the fixed plate through the guide device respectively.

Preferably, the guide plate is symmetrically provided with a longitudinal guide rod and a transverse guide rod, and the longitudinal guide rod and the transverse guide rod are perpendicular to each other; the guide device comprises a longitudinal bearing and a transverse bearing, the longitudinal bearing is fixed on the moving plate and symmetrically positioned on two sides of the longitudinal guide rod, and the longitudinal bearing is used for enabling the guide plate to move longitudinally; the transverse bearings are fixed on the fixing plate and symmetrically positioned on two sides of the transverse guide rod, and the transverse bearings are used for enabling the guide plate to move along the transverse direction.

Further, the transverse bearing is fixed on the fixing plate through a first transverse shaft and a second transverse shaft, the two first transverse shafts are located on one side of the transverse guide rod, and the first transverse shaft is an eccentric shaft; the two second transverse shafts are positioned on the other side of the transverse guide rod.

Preferably, the sliding support device comprises an upper support base, a lower support base, a support retainer, a plurality of equal-height plates, a connecting column and a support steel ball, wherein the equal-height plates are fixed on the fixed plate, the connecting column is movably inserted into the equal-height plates and is fixed on the movable plate, the connecting column is also connected with the upper support base, the lower support base is arranged on the equal-height plates, the plurality of support steel balls are movably arranged in pockets of the support retainer, the support retainer and the support steel ball are movably positioned between the upper support base and the lower support base, and the support retainer and the lower support base are movably inserted into the connecting column.

Preferably, the sliding connection device comprises a connection seat, an upper cushion connection seat, a lower cushion connection seat, a connection retainer, a connection screw, a plurality of compression screws and a connection steel ball; the connecting seat is connected with the fixed plate through the connecting screw and movably inserted into the sliding hole of the guide plate, the upper cushion seat is installed on the connecting seat, and the lower cushion seat is installed on the moving plate; the connecting steel balls are movably arranged in pocket holes of the connecting retainer, and the connecting retainer and the connecting steel balls are movably positioned between the upper cushion seat and the lower cushion seat; the compression screws are installed on the fixing plate through threads and are arranged around the connecting screws in an annular array mode, and the compression screws are movably pressed on the connecting seats and are used for pressing the upper cushion connecting seats on the connecting steel balls.

Compared with the prior art, the utility model has the following beneficial effects:

the translation device provided by the utility model simplifies the structure and the process, reduces the cost, is more convenient to assemble, and has uniform stress of the steel ball, small friction and long service life by changing the guide rail.

Drawings

FIG. 1 is a structural schematic of a translation device;

FIG. 2 is a schematic structural view of a translation device with a fixed plate hidden;

FIG. 3 is a front view of a translation device with a mounting plate concealed;

FIG. 4 is a front view of a translation device;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4;

FIG. 7 is a schematic view of a first transverse axis;

fig. 8 is an exploded view of the sliding support device.

Detailed Description

The utility model will now be further described with reference to the accompanying drawings.

As shown in fig. 1 to 8, a translation device includes: the device comprises a fixed plate 1, a movable plate 2, a guide plate 3, a sliding connecting device, a sliding supporting device and a guide device; the moving plate 2 is connected with the fixed plate 1 in a sliding way through a sliding connection device and a sliding support device, and the number of the sliding support devices is more than three; the guide plate 3 is connected with the moving plate 2 and the fixed plate 1 through a guide device respectively.

Specifically, the guide plate 3 is symmetrically provided with a longitudinal guide rod 32 and a transverse guide rod 31, the longitudinal guide rod 32 and the transverse guide rod 31 are perpendicular to each other to form a cross shape, and the center of the guide plate 3 is further provided with a sliding hole 33.

The guide device comprises four longitudinal bearings 51 and four transverse bearings 41, the longitudinal bearings 51 are fixed on the moving plate 2 through a longitudinal fixed shaft 52 and are symmetrically positioned at two sides of the longitudinal guide rod 32, the four longitudinal bearings 51 are arranged in an array, and the longitudinal bearings 51 are used for enabling the guide plate 3 to move along the longitudinal direction. The four longitudinal fixed shafts 52 are fixed to the moving plate 2 by longitudinal set screws 53. The transverse bearing 41 is fixed on the fixing plate 1 through a first transverse shaft 44 and a second transverse shaft 42, the two first transverse shafts 44 are positioned at one side of the transverse guide rod 31, the first transverse shaft 44 is an eccentric shaft, the first transverse shaft 44 is fixed through a transverse set screw 45, a linear groove 441 is arranged on the first transverse shaft 44, and the linear groove 441 is convenient for adjusting the eccentric position; two second transverse shafts 42 are located on the other side of the transverse guide rods 31. The transverse bearing 41 serves to move the guide plate 3 in the transverse direction. The first transverse shaft 44 can adjust the interval of the transverse bearings 41 on both sides of the transverse guide rod 31 so as to prevent the transverse guide rod 31 from shifting in the longitudinal direction. The transverse set screw 45 locks the first transverse shaft 44 against rotation of the first transverse shaft 44.

The sliding support device comprises a support compression ring 61, fixing screws 62, a support upper cushion seat 63, a support lower cushion seat 65, a support retainer, a plurality of equal-height plates 67, connecting columns 66 and support steel balls 64, wherein four equal-height plates 67 are arranged, the four equal-height plates 67 are respectively fixed on four corners of the fixed plate 1, equal-height holes 671 are arranged on the equal-height plates 67, the connecting columns 66 are movably inserted in the equal-height holes 671 and have diameters smaller than the equal-height holes 671, the support upper cushion seat 63 is installed at the top of the connecting seat 72, the support lower cushion seat 65 is installed on the equal-height plates 67, the plurality of support steel balls 64 are movably installed in pockets of the support retainer, the support retainer and the support steel balls 64 are movably positioned between the support upper cushion seat 63 and the support lower cushion seat 65, the support retainer and the support lower cushion seat 65 are both movably inserted in the connecting columns 66, the support compression ring 61 is positioned at the top of the support upper cushion seat 63, and the fixing screws 62 are connected with the movable plate 2, and is inserted on the connecting column 66, the fixed screw 62 presses the upper supporting pad 63, the supporting steel ball 64 and the lower supporting pad 65 on the equal-height plate 67 through the supporting press ring 61, the sliding support device is used for supporting the fixed plate 1, so that the fixed plate 1 can slide freely and is stressed uniformly, and meanwhile, the sliding support device also connects the movable plate 2 with the fixed plate 1 together to prevent separation.

The upper supporting base 63 and the lower supporting base 65 are bases of a thrust ball bearing, the grooves do not contact with the steel balls during installation, the supporting retainer and the supporting steel balls 64 are retainers and steel balls of the thrust ball bearing, cost can be reduced by adopting standard parts, the fixed plate 1 can be moved smoothly, and meanwhile, the installation is convenient and the service life is long.

The sliding connection device comprises a connecting seat 72, an upper cushion connecting seat 73, a lower cushion connecting seat 75, a connecting retainer and connecting screw 71, and a plurality of compression screws and connecting steel balls 74; the connecting seat 72 is connected with the fixed plate 1 through a connecting screw 71, movably inserted in the sliding hole 33 of the guide plate 3, the upper cushion seat 73 is installed on the connecting seat 72, and the lower cushion seat 75 is installed on the moving plate 2; a plurality of connecting steel balls 74 are movably arranged in the pockets of the connecting retainer, and the connecting retainer and the connecting steel balls 74 are movably arranged between the upper cushion base 73 and the lower cushion base 75; a plurality of compression screws are arranged on the fixing plate 1 through threads and are arranged around the connecting screws 71 in an annular array, and the compression screws are movably pressed on the connecting seats 72 and are used for pressing the upper cushion connecting seats 73 on the connecting steel balls 74. The sliding coupling means serves to support from the center of the fixed plate 1 and the moving plate 2, thereby making the force applied uniform.

The upper pad 73, the lower pad 75, the connecting cage and the connecting ball 74 are also parts of the thrust ball bearing.

The translation device can be applied to industries with larger load, such as the screening machine industry, and can also be used for bearing a moving part of a translation head of electric sparks in the machine tool industry, has stronger bearing capacity than other types of translation heads, has longer service life and more lasting precision, and is free of maintenance for years. A translation device can also be applied to plane, end face or spherical grinding equipment.

During operation, the movable plate 2 is installed on the frame, fixed plate 1 is connected with the device that needs to remove, when fixed plate 1 moves along lateral shifting under the exogenic action, lateral bearing 41 moves along fixed plate 1, deflector 3 is by the restriction of longitudinal bearing 51 removal, when fixed plate 1 moves along longitudinal shifting, fixed plate 1 drives deflector 3 along longitudinal shifting through lateral bearing 41, when fixed plate 1 moves along except horizontal and fore-and-aft arbitrary direction, fixed plate 1 and deflector 3 move simultaneously, fixed plate 1 can realize the circular migration.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the utility model and should not be construed in any way as limiting the scope of the utility model. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, which shall fall within the scope of the appended claims.

Claims

1. A translation device, comprising: the device comprises a fixed plate, a movable plate, a guide plate, a sliding connecting device, a sliding supporting device and a guide device; the movable plate is connected with the fixed plate in a sliding mode through the sliding connection devices and the sliding support devices, and the number of the sliding support devices is more than three; the guide plate is connected with the movable plate and the fixed plate through the guide device respectively.

2. The translation device according to claim 1, wherein the guide plate is symmetrically provided with a longitudinal guide rod and a transverse guide rod, and the longitudinal guide rod and the transverse guide rod are perpendicular to each other;

the guide device comprises a longitudinal bearing and a transverse bearing, the longitudinal bearing is fixed on the moving plate and symmetrically positioned on two sides of the longitudinal guide rod, and the longitudinal bearing is used for enabling the guide plate to move longitudinally; the transverse bearings are fixed on the fixing plate and symmetrically positioned on two sides of the transverse guide rod, and the transverse bearings are used for enabling the guide plate to move transversely.

3. The device according to claim 2, wherein said transverse bearings are fixed to said fixed plate by a first transverse shaft and a second transverse shaft, both said first transverse shafts are located at one side of said transverse guide rod, and said first transverse shafts are eccentric shafts; the two second transverse shafts are positioned on the other side of the transverse guide rod.

4. The translational device according to claim 1, wherein the sliding support device comprises an upper support base, a lower support base, a support retainer, a plurality of equal-height plates, a connecting column and support steel balls, the equal-height plates are fixed on the fixed plate, the connecting column is movably inserted into the equal-height plates and is fixed on the movable plate, the connecting column is further connected with the upper support base, the lower support base is mounted on the equal-height plates, the plurality of support steel balls are movably mounted in pockets of the support retainer, the support retainer and the support steel balls are movably located between the upper support base and the lower support base, and the support retainer and the lower support base are both movably inserted into the connecting column.

5. The translation device according to claim 1, wherein the sliding connection device comprises a connection seat, an upper cushion connection seat, a lower cushion connection seat, a connection retainer, a connection screw, a plurality of compression screws and a connection steel ball;

the connecting seat is connected with the fixed plate through the connecting screw and movably inserted into the sliding hole of the guide plate, the upper cushion seat is installed on the connecting seat, and the lower cushion seat is installed on the moving plate; the connecting steel balls are movably arranged in pocket holes of the connecting retainer, and the connecting retainer and the connecting steel balls are movably positioned between the upper cushion seat and the lower cushion seat;

the compression screws are installed on the fixing plate through threads and are arranged around the connecting screws in an annular array mode, and the compression screws are movably pressed on the connecting seats and are used for pressing the upper cushion connecting seats on the connecting steel balls.