CN218639645U

CN218639645U - Sliding table

Info

Publication number: CN218639645U
Application number: CN202222989136.2U
Authority: CN
Inventors: 赵超; 吴家辉; 陈月军; 安江恒憲
Original assignee: Guangzhou Techno Wave Machinery Co ltd
Current assignee: Guangzhou Techno Wave Machinery Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-03-17
Anticipated expiration: 2032-11-09

Abstract

The utility model discloses a slip table aims at additionally setting up positioning mechanism and comes unable adjustment base, reduces the impact to drive module, its technical scheme: the utility model provides a sliding table, includes frame, sliding fit base in the frame, is used for driving the drive module that the base removed along the first direction, still includes the positioning mechanism who is used for unable adjustment base, positioning mechanism is including setting up cylinder, the fixed block of fixing in the frame that the movable block, the drive movable block on the base removed along the second direction, first direction is mutually perpendicular with the second direction, be equipped with the recess on the fixed block, be equipped with on the movable block with recess matched with arch, the base is fixed to the frame when the arch is embedded into in the recess, belongs to moving mechanism technical field.

Description

Sliding table

Technical Field

The utility model belongs to the technical field of the moving mechanism, more specifically, relate to a slip table.

Background

Although the robot can move in multiple axes, the movement range of the robot is limited, and in order to improve the movement range of the robot, the robot is provided with a corresponding sliding table to drive the robot to move linearly, so that the movement range of the robot is enlarged.

CN108608403A discloses slip table device of robot, including frame and portable base, the bilateral symmetry of frame upper end is provided with linear guide, and slidable mounting has portable base between two linear guide, the upper end of portable base is equipped with the manipulator, one side vertical layout of portable base has servo motor, decelerator is installed to servo motor's lower extreme, linear guide's inboard fixed mounting has the rack, epaxial gear and rack toothing of decelerator commentaries on classics.

Above-mentioned slip table utilizes the rack and pinion structure to act as drive module and drives the base and remove, after the base removed preset position, the robot alright motion, it makes the base keep the fixed state to rely on the braking of motor and rack and pinion's meshing this time, the base can not remove, but the robot when the motion, can produce the impact to the base, make the base have the trend that will remove, the gear will extrude the collision rack, let rack and pinion's fit clearance grow easily, and it is long-lasting, drive arrangement's transmission precision can descend.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at providing a slip table aims at additionally setting up positioning mechanism and comes unable adjustment base, reduces the impact to drive module.

According to the utility model discloses an aspect provides a slip table, including frame, sliding fit base in the frame, be used for driving the drive module that the base removed along the first direction, still including the positioning mechanism who is used for unable adjustment base, positioning mechanism is including setting up the cylinder that the movable block on the base, drive movable block removed along the second direction, fixing the fixed block in the frame, first direction is mutually perpendicular with the second direction, be equipped with the recess on the fixed block, be equipped with on the movable block with recess matched with arch, the base is fixed to the frame when the arch is embedded into in the recess.

In the above sliding table, the two fixed blocks are arranged at intervals along the second direction, and the two movable blocks correspond to the fixed blocks one to one.

In the sliding table, a first guide rail extending along a second direction is arranged on the base, the two movable blocks are in sliding fit with the first guide rail, a wedge block is arranged on an output rod of the air cylinder, and the wedge block is positioned between the two movable blocks;

the side that the voussoir is close to the movable block is the spigot surface, two the spigot surface is along the axis symmetrical arrangement of the output pole of cylinder, the spigot surface inclines along the direction of the axis of the output pole that is close to the cylinder, be equipped with the guide part that extends along its incline direction on the spigot surface, be equipped with on the movable block with guide part sliding fit's guide way, the flexible two movable block rebound of drive of output pole of cylinder.

In the above-described slide table, the guide portion has a T-shaped cross section perpendicular to the extending direction thereof.

In foretell slip table, the one end that the cylinder was kept away from to the movable block is equipped with extension portion, two extension portion all is located two between the fixed block, the arch sets up extension portion is close to on one side of fixed block.

In the above sliding table, a cross-sectional profile of the groove in the second direction is V-shaped.

In the above sliding table, the first direction is a horizontal direction, and the second direction is a vertical direction.

In foretell slip table, drive module is including fixing rack, the motor of setting on the base that extends along first direction in the frame, be equipped with the gear with rack matched with on the output shaft of motor.

In the sliding table, a second guide rail extending along the first direction is arranged on the frame, and the base is in sliding fit with the second guide rail.

The utility model discloses a technical scheme has following advantage or one of beneficial effect at least among the above-mentioned technical scheme:

the base in the utility model is driven by the driving module to move, the robot is fixed on the base, and the robot can start to operate only after the base moves to the preset position; set up the fixed block in the place that frame and preset position correspond, set up corresponding movable block on the base, after the base removed preset position, the movable block can be to last fixed block, the cylinder action this time, remove the movable block, let the arch imbed in the recess, make the movable block fixed to the fixed block, and then let the base fix, can't remove, under this kind of structure, produced impact can be used on positioning mechanism during the robot operation, and can not use drive module completely, the impact to drive module has been reduced, drive module's transmission precision is difficult to receive the influence.

Drawings

The invention is further explained by combining the drawings and the embodiments;

fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural view of a positioning mechanism according to a first embodiment of the present invention;

fig. 3 is a front view of the positioning mechanism of the first embodiment of the present invention;

fig. 4 is a bottom view of the positioning mechanism according to the first embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following disclosure provides many different embodiments or examples for implementing different aspects of the invention.

Referring to fig. 1 to 4, in an embodiment of the present invention, a sliding table includes a frame (not shown), a base 1 slidably fitted on the frame, and a driving module for driving the base 1 to move along a first direction; the robot is fixed on the base 1;

the driving module comprises a rack 2 fixed on the frame and extending along a first direction and a motor 3 arranged on the base 1, and a gear 4 matched with the rack 2 is arranged on an output shaft of the motor 3;

an output shaft of the motor 3 rotates to drive the gear 4 to rotate, the gear 4 is meshed with the rack 2, the gear 4 can move along the rack 2, the base 1 can move along the first direction, and the robot moves along the base 1 and can reach a preset position;

the positioning mechanism 5 is used for fixing the base 1, the positioning mechanism 5 comprises a movable block 51 arranged on the base 1, an air cylinder 52 for driving the movable block 51 to move along a second direction, and a fixed block 53 fixed on the rack, the first direction is vertical to the second direction, a groove 531 is arranged on the fixed block 53, and a protrusion 511 matched with the groove 531 is arranged on the movable block 51;

after the base 1 moves to a preset position, the robot starts to operate; set up fixed block 53 in the place that the frame corresponds with the preset position, set up corresponding movable block 51 on base 1, after base 1 moved the preset position, movable block 51 can be to last fixed block 53, cylinder 52 action this time, remove movable block 51, let arch 511 imbed in recess 531, make movable block 51 fix on fixed block 53, and then let base 1 fix, can't remove, under this kind of structure, produced impact can be used on positioning mechanism 5 during the robot operation, and can not use on the drive module completely, the impact to drive module has been reduced, drive module's transmission precision is difficult to receive the influence.

Generally, the sliding table is mainly used for driving the robot to move horizontally, so that the first direction is a horizontal direction; in the embodiment, the mounting surface of the frame for mounting the sliding table is a vertical surface, the second direction is a vertical direction, the movable block 51 can be lifted under the action of the cylinder 52, and when the base 1 is to be fixed, the movable block 51 is lifted to contact with the fixed block 53 to complete locking; when the base 1 is to be moved, the movable block 51 is lowered to be separated from the fixed block 53, and unlocking is completed.

In some embodiments, the mounting surface of the frame for mounting the sliding table is a horizontal surface, and at this time, the second direction may be set to be a horizontal direction, the movable block 51 may move horizontally under the action of the cylinder 52, and when the base 1 is to be fixed, the movable block 51 contacts with the fixed block 53 to complete locking; when the base 1 is to be moved, the movable block 51 is separated from the fixed block 53, and unlocking is completed.

In order to improve the stability when base 1 is fixed, fixed block 53 be two and along second direction interval arrangement, movable block 51 be two and with fixed block 53 one-to-one, after cylinder 52 moved, two movable blocks 51 can be pressed on corresponding fixed block 53, the impact that receives can distribute on two fixed blocks 53, and shock-resistant ability is more excellent, and stability when base 1 is fixed is also better.

Specifically, a first guide rail 54 extending along the second direction is arranged on the base 1, the two movable blocks 51 are both in sliding fit with the first guide rail 54, a wedge block 55 is arranged on an output rod of the air cylinder 52, and the wedge block 55 is positioned between the two movable blocks 51;

the side surface of the wedge block 55 close to the movable block 51 is provided with a guide surface 56, the two guide surfaces 56 are symmetrically arranged along the axis of the output rod of the air cylinder 52, the guide surface 56 inclines along the direction close to the axis of the output rod of the air cylinder 52, the guide surface 56 is provided with a guide part 57 extending along the inclination direction of the guide surface, and the movable block 51 is provided with a guide groove 58 in sliding fit with the guide part 57;

the two guide surfaces 56 make the end of the wedge 55 far away from the cylinder 52 form a tip, and since the second direction is a vertical direction, the telescopic direction of the output rod of the cylinder 52 should be perpendicular to the second direction;

when the output rod of the air cylinder 52 extends, the wedge block 55 is squeezed between the two movable blocks 51, and at this time, the first guide rail 54 limits the movable blocks 51 to move only along the first guide rail 54, so that the two movable blocks 51 are separated from each other, gradually spread and further pressed on the fixed block 53 to complete locking;

when the output rod of the air cylinder 52 retracts, the wedge 55 is gradually drawn out from between the two movable blocks 51, because the guide part 57 is in sliding fit with the guide groove 58, the wedge 55 pulls the movable blocks 51, so that the movable blocks 51 move from the larger end to the smaller end of the wedge 55 to drive the two movable blocks 51 to approach each other, and at this time, the movable blocks 51 are separated from the fixed block 53, and the unlocking is completed.

In order to conveniently pull the movable block 51, the section of the guide part 57 perpendicular to the extending direction of the guide part is T-shaped, and the guide groove 58 on the movable block 51 is T-shaped, so that the movable block 51 cannot easily separate from the wedge block 55 and is pulled more smoothly; the movable block 51 is provided with an inclined surface adapted to the guide surface 56, and the guide groove 58 is provided on the inclined surface so that the movable block 51 is more fitted to the wedge 55.

In this embodiment, the movable block 51 is slidably engaged with the first guide rail 54 through the first sliding block 59, the first sliding block 59 is slidably connected to the first guide rail 54, and the movable block 51 is fixed on the first sliding block 59 and moves along with the first sliding block 59.

In practical application, the distance between the base 1 and the mounting surface of the rack is relatively small, so that one end of the movable block 51, which is far away from the cylinder 52, is provided with an extension part 510, the two extension parts 510 are both positioned between the two fixed blocks 53, and the protrusion 511 is arranged on one side of the extension part 510, which is close to the fixed blocks 53; a mounting groove may be provided on the base 1 for mounting the positioning mechanism 5, and the extension portion 510 may extend from the mounting groove to cooperate with the fixing block 53, so that the positioning mechanism 5 may be mounted without being limited by the distance between the base 1 and the mounting surface of the rack.

In some embodiments, the two movable blocks 51 can also be driven by two air cylinders 52, and the driving of the two movable blocks 51 by one air cylinder 52 is not limited.

In this embodiment, the cross-sectional profile of the groove 531 in the second direction is V-shaped, which facilitates the insertion of the protrusion 511; the protrusion 511 has a trapezoidal section in the second direction, and both outer sides of the protrusion 511 may be fitted onto both inner sides of the groove 531.

In this embodiment, the frame is provided with a second guide rail 6 extending along the first direction, and the base 1 is in sliding fit with the second guide rail 6; a plurality of second sliding blocks 7 are slidably connected to the second guide rail 6, and the base 1 is fixed to the second sliding blocks 7 and can slide on the machine frame.

In practical use, a plurality of positioning mechanisms 5 can be arranged on the sliding table and used for fixing the base 1 at different positions.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a sliding table, includes frame, sliding fit base in the frame, is used for driving the drive module that the base removed along first direction, its characterized in that still includes the positioning mechanism who is used for unable adjustment base, positioning mechanism is including setting up the movable block on the base, drive the cylinder that the movable block removed along the second direction, fixing the fixed block in the frame, first direction is mutually perpendicular with the second direction, be equipped with the recess on the fixed block, be equipped with on the movable block with recess matched with arch, the base is fixed to the frame when the arch is embedded into in the recess.

2. The slide table of claim 1, wherein the two fixed blocks are spaced apart from each other in the second direction, and the two movable blocks are in one-to-one correspondence with the fixed blocks.

3. The slide table of claim 2, wherein the base has a first guide rail extending in the second direction, the two movable blocks are slidably engaged with the first guide rail, and the output rod of the cylinder has a wedge block disposed between the two movable blocks;

the wedge block is characterized in that the side face, close to the movable block, of the wedge block is an inclined guide face, the two guide faces are symmetrically arranged along the axis of an output rod of the air cylinder and enable one end, far away from the air cylinder, of the wedge block to form a tip end, a guide portion extending along the inclined direction of the guide portion is arranged on the guide face, a guide groove in sliding fit with the guide portion is formed in the movable block, and the output rod of the air cylinder stretches and retracts to drive the two movable blocks to move reversely.

4. A slide table according to claim 3, wherein said guide portion is T-shaped in cross section perpendicular to the extending direction thereof.

5. The sliding table according to claim 3, wherein an extension portion is provided at an end of the movable block remote from the cylinder, both of the extension portions are located between the two fixed blocks, and the protrusion is provided on a side of the extension portion close to the fixed blocks.

6. The slide table of claim 1, wherein a cross-sectional profile of the groove in the second direction is V-shaped.

7. The slide table of claim 1, wherein the first direction is a horizontal direction and the second direction is a vertical direction.

8. The sliding table according to claim 1, wherein the driving module includes a rack fixed to the frame and extending in the first direction, and a motor disposed on the base, and a gear engaged with the rack is disposed on an output shaft of the motor.

9. The slide table of claim 1, wherein the frame is provided with a second guide rail extending in a first direction, and the base is slidably engaged with the second guide rail.