CN211361367U

CN211361367U - Three-axis six-degree-of-freedom electric vibration table trunnion locking mechanism

Info

Publication number: CN211361367U
Application number: CN201921976930.5U
Authority: CN
Inventors: 沈建华; 蔡国强; 李桂泉
Original assignee: Suzhou Jiacheng Machinery Manufacturing Co ltd
Current assignee: Suzhou Jiacheng Machinery Manufacturing Co ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-08-28
Anticipated expiration: 2029-11-15

Abstract

The utility model discloses a three-axis six-degree-of-freedom electric vibration table trunnion locking mechanism, which comprises a workbench, a locking mechanism and a base positioned on an electric vibration table, wherein the base is provided with a first trunnion and a second trunnion which are not parallel; the workbench is provided with a first connecting seat and a second connecting seat, the first connecting seat is matched with the first trunnion, and the second connecting seat is matched with the second trunnion; the base is connected with a locking mechanism, when the locking mechanism is in a first working state, the first trunnion and the first connecting seat are locked, and the second trunnion and the second connecting seat are locked; when the locking mechanism is in a second working state, the first trunnion and the first connecting seat are unlocked, and the second trunnion and the second connecting seat are unlocked; the utility model discloses the diversified removal that first gudgeon and the second gudgeon that are not parallel can effectual restriction workstation can be with its fixing firmly on the base of electronic platform that shakes.

Description

Three-axis six-degree-of-freedom electric vibration table trunnion locking mechanism

Technical Field

The utility model relates to a machining equipment technical field, concretely relates to electronic shaking table trunnion locking mechanism of triaxial six degrees of freedom.

Background

In machining equipment, an electric vibration table is often required to provide motion, the electric vibration table comprises a rotary vibration table, a translational vibration table and a vibration table with multiple degrees of freedom, and the electric vibration tables in different forms have different factors considered when the working table is installed. If the rotary vibration table is installed on the workbench, the rotary vibration table can be fixed only by limiting the corresponding revolute pair, and if the translational vibration table is installed on the workbench, only the corresponding sliding pair is limited. The multi-degree-of-freedom electric vibration table generally comprises rotary motion and translational motion, and a rotary pair and a moving pair of the electric vibration table are limited simultaneously in order to ensure the stability of the electric vibration table when the electric vibration table is installed. How to provide a trunnion locking mechanism to firmly mount a working table on an electric vibration table with multiple degrees of freedom is the direction of research.

Disclosure of Invention

An object of the utility model is to provide an electronic shaking table trunnion locking mechanism of triaxial six degrees of freedom to solve one of the above-mentioned multinomial defect or defect that leads to among the prior art.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:

a three-axis six-degree-of-freedom electric vibration table trunnion locking mechanism comprises a workbench, a locking mechanism and a base positioned on an electric vibration table, wherein a first trunnion and a second trunnion are arranged on the base, and are not parallel;

the workbench is provided with a first connecting seat and a second connecting seat, the first connecting seat is matched with the first trunnion, and the second connecting seat is matched with the second trunnion;

the base is connected with a locking mechanism, when the locking mechanism is in a first working state, the first trunnion and the first connecting seat are locked, and the second trunnion and the second connecting seat are locked; when the locking mechanism is in a second working state, the first trunnion and the first connecting seat are unlocked, and the second trunnion and the second connecting seat are unlocked.

Further, there are two first trunnions, two first trunnions are parallel to each other, and there are two second trunnions, two second trunnions are parallel to each other. Two first gudgeons and second gudgeon of design can be effectual fixed with the workstation, have improved the fixed stability of workstation.

Further, a line between the two first trunnions and a line between the two second trunnions are perpendicular to each other. First trunnion and second trunnion mutually perpendicular can effectual restriction workstation skew, can be with its firmly fixed.

Furthermore, the base is provided with at least two guide grooves, and the workbench is provided with guide pillars matched with the guide grooves.

The locking mechanism is driven by the driving device to move to a first working state or a second working state.

Further, the driving device is a servo motor. The angle of its output shaft of servo motor can effectual control, be convenient for control locking mechanism is in first operating condition or second operating condition.

Furthermore, locking mechanism includes two at least locking levers, and one of them locking lever is used for locking first connecting seat and first trunnion, another locking lever is used for locking second connecting seat and second trunnion.

The locking device further comprises a connecting plate which is rotatably connected to the base, a sliding groove is formed in the connecting plate, the connecting end of the locking rod is connected in the sliding groove in a sliding mode, the locking end of the locking rod extends into a guide block, and the guide block is installed on the base;

the connecting plate is rotated to make the locking lever be in first operating condition or second operating condition, during second operating condition, the locking end of locking lever is located in the guide block, during first operating condition, the locking end of locking lever is located in first trunnion and second trunnion.

Further, the link of check lock lever is connected with the slider, slider sliding connection be in the spout. The slide block slides in the sliding groove to drive the locking rod to move, so that the stability of the movement of the locking rod is ensured.

According to the above technical scheme, the embodiment of the utility model has following effect at least:

1. the utility model designs the first trunnion and the second trunnion on the base into the non-parallel state, when in connection, the first connecting seat and the first trunnion on the worktable are connected, the second connecting seat and the second trunnion are connected, and can be locked through the locking mechanism, the non-parallel first trunnion and the second trunnion can effectively limit the multidirectional movement of the worktable, and can be firmly fixed on the base of the electric vibration table;

2. the utility model discloses a locking mechanism has locking state (first operating condition) and non-locking state (second operating condition), can be rapid through the drive arrangement drive with trunnion and connecting seat locking or unblock, has improved the speed of locking and unblock, and has saved the manpower through drive arrangement locking or unblock.

Drawings

FIG. 1 is a top view of an embodiment of the present invention;

FIG. 2 is a schematic view of FIG. 1 in various states of motion;

FIG. 3 is a schematic view of the workbench and the connecting seat before installation according to the embodiment of the present invention;

FIG. 4 is a schematic view of the workbench and the connecting seat after installation according to the embodiment of the present invention;

fig. 5 is a schematic view of a locking state of the locking mechanism according to the embodiment of the present invention.

Wherein: 1. a work table; 2. a base; 3. a locking mechanism; 4. a servo motor; 5. a connecting plate; 11. a first connecting seat; 12. a second connecting seat; 13. a guide post; 21. a first trunnion; 22. a second trunnion; 23. a guide groove; 24. a support block; 25. mounting grooves; 31. a locking lever; 32. a guide block; 33. a screw; 34. a slider; 51. a chute.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

It should be noted that, in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention but do not require the present invention to be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

The utility model provides a triaxial six degree of freedom electric vibration platform gudgeon locking mechanism, the first gudgeon 21 and the second gudgeon 22 that are not parallel of design on base 2 of electric vibration platform are connected first connecting seat 11 and the first gudgeon 21 on the workstation 1, are connected second connecting seat 12 and second gudgeon 22. The locking mechanism 3 locks or unlocks the worktable 1, the first trunnion 21 limits the moving pair of the worktable 1 in one direction, the second trunnion 22 limits the moving pair in the other direction, and the two parts are combined to limit the movement of the worktable 1 in a plane. Through the design of two non-parallel trunnions, the workbench 1 is firmly fixed on the base 2.

When designed, the first trunnion 21 and the second trunnion 22 have the same structure. The corresponding first connecting seat 11 and the second connecting seat 12 have the same structure. The locking mechanism 3 can be locked by penetrating through the connecting holes on the trunnion and the connecting seat, and has simple structure and convenient operation.

As shown in fig. 1-4, in the present embodiment, the shape of the base 2 is, for example, a square, but the shape of the base 2 may also be a circle or other shapes. Two first trunnions 21 are symmetrically arranged on the base 2, and two second trunnions 22 are symmetrically arranged on the base. The connecting line of the connecting holes of the two first trunnions 21 and the connecting line of the connecting holes of the two second trunnions 22 are perpendicular to each other. The top of trunnion is the arc design, is convenient for insert the mounting hole to the connecting seat. The shape of the connecting seat is as shown in figure 3, the connecting seat is L-shaped and comprises a transverse plate and a vertical plate, the transverse plate is provided with a mounting hole, and the vertical plate is provided with a connecting hole during connection. During connection, the trunnion is inserted into the mounting hole, the connecting hole on the trunnion is coaxial with the connecting hole on the vertical plate, and the trunnion and the vertical plate are locked by the locking mechanism 3. When unlocking, the locking mechanism 3 is unlocked, and the workbench 1 is lifted. In this embodiment, the size of the connecting hole of riser is the same with the size of gudgeon connecting hole on the connecting seat, and locking mechanism 3 has restricted the degree of freedom of 1 vertical direction of workstation after locking workstation 1 and base 2, has further guaranteed the stability of workstation 1.

In order to facilitate the adaptation of trunnion looks on connecting seat and the base 2 on the workstation 1, be equipped with two to three guide way 23 on base 2, set up on workstation 1 with the guide pillar 13 of guide way 23 looks adaptation, during the connection, insert guide pillar 13 to the guide way 23 in, can enough realize inserting the trunnion to the mounting hole of connecting seat. The setting of guide way 23 and guide post has improved the efficiency of base 2 and the installation of workstation 1, can assemble trunnion and connecting seat together rapidly, has improved the precision and the efficiency of assembly. In order to be convenient for taking down the workbench 1, two handles are arranged on two sides of the workbench 1, so that convenience is provided for taking down the workbench 1.

In this embodiment, the base 2 is further connected with a supporting block 24, and the supporting block 24 can be connected to the base 2 by using a bolt connection, a welding connection, or the like. It is ensured that the height of the support block 24 is higher than or equal to the height of the first and

second trunnions

21, 22, (the height of the first and

second trunnions

21, 22 is the same). The design of supporting shoe 24 is in order to guarantee the supporting effect of base 2 to workstation 1, because through trunnion connection between the two, the supporting effect of base 2 to workstation 1 is not good, so design supporting shoe 24 is used for guaranteeing the stability of workstation 1.

As shown in fig. 1 and 5, the two first trunnions 21 and the two second trunnions 22 are uniformly distributed on a concentric circle of the base 2. This design facilitates locking of the locking mechanism 3. The four locking mechanisms 3 are driven to work by one driving device, so that the number of the driving devices is saved, and energy is saved. The center of base 2 is equipped with mounting groove 25, installs servo motor 4 in the mounting groove 25, is connected with connecting plate 5 on servo motor 4's the output shaft, and connecting plate 5 is connected with locking mechanism 3. The servo motor 4 works to drive the connecting plate 5 to rotate, and further drives the locking mechanism to be in a locking state (a first working state) or a non-locking state (a second working state).

Specifically, the connecting plate 5 is circular, four sliding grooves 51 are arranged in an array on the top surface of the connecting plate 5, and the direction of the sliding grooves 51 is perpendicular to the diameter direction of the connecting plate 5. Locking mechanism 3 includes check lock lever 31, and the link of check lock lever 31 is connected with slider 34 through screw 33, and slider 34 sliding connection is in spout 51, and concrete requirement is not done to the shape of spout 51 and slider 34, can satisfy slider 34 can not follow the spout 51 in the landing. The base 2 is further connected with four guide blocks 32, the number of the guide blocks 32 is four, the four guide blocks correspond to the four trunnions, and through holes in the guide blocks 32 are overlapped with the axes of the connecting holes of the first trunnions 21 and the second trunnions 22. The locking end of the locking lever 31 extends into the through hole of the guide block 32.

The locking mechanism 3 has two operating states, and in the first operating state (locking state), the locking end of the locking lever 31 extends into and through the connecting hole of the first trunnion 21 or the second trunnion 22. In the second operating state (non-locking state), the locking end of the locking lever 31 does not extend into the connecting hole of the first trunnion 21 or the second trunnion 22. And the locking end of the locking lever 31 does not obstruct the installation of the first connecting seat 11 and the first trunnion 21 and the installation of the second connecting seat 12 and the second trunnion 22.

In the first operating state, the slider 34 connected to the connecting end of the locking rod 31 is located inside the sliding groove 51 (on the side close to the center of the connecting plate 5), and in the second operating state, the slider 34 connected to the connecting end of the locking rod 31 is located outside the sliding groove 51 (on the side away from the center of the connecting plate 5).

The workbench 1 is installed as follows, the guide post 13 is inserted into the guide groove 23, the connecting seat extends into the trunnion at the moment, the servo motor 4 is started, the locking mechanism 3 is in a first working state, and the workbench is installed on the base 2. When the workbench is disassembled, the servo motor 4 rotates in the opposite direction, so that the locking mechanism 3 is in the second working state, the workbench 1 is lifted, and the workbench 1 is disassembled from the base 2.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. A three-axis six-degree-of-freedom electric vibration table trunnion locking mechanism is characterized by comprising a workbench (1), a locking mechanism (3) and a base (2) positioned on an electric vibration table, wherein the base (2) is provided with a first trunnion (21) and a second trunnion (22), and the first trunnion (21) and the second trunnion (22) are not parallel;

a first connecting seat (11) and a second connecting seat (12) are arranged on the workbench (1), the first connecting seat (11) is matched with the first trunnion (21), and the second connecting seat is matched with the second trunnion (22);

the base (2) is connected with a locking mechanism (3), when the locking mechanism (3) is in a first working state, the first trunnion (21) and the first connecting seat (11) are locked, and the second trunnion (22) and the second connecting seat (12) are locked; when the locking mechanism (3) is in a second working state, the first trunnion (21) and the first connecting seat (11) are unlocked, and the second trunnion (22) and the second connecting seat (12) are unlocked.

2. The trunnion locking mechanism of claim 1, wherein the first trunnions (21) are two, the two first trunnions (21) are parallel to each other, the second trunnions (22) are two, and the two second trunnions (22) are parallel to each other.

3. The electric vibration table trunnion locking mechanism according to claim 2, wherein a line between the two first trunnions (21) and a line between the two second trunnions (22) are perpendicular to each other.

4. The trunnion locking mechanism of the electric vibration table according to claim 1, wherein the base (2) is provided with at least two guide grooves (23), and the worktable (1) is provided with guide posts (13) matched with the guide grooves (23).

5. The trunnion locking mechanism of the electric vibration table according to claim 1, further comprising a driving device, wherein the driving device is connected with the locking mechanism (3), and the driving device drives the locking mechanism (3) to move to the first working state or the second working state.

6. The trunnion locking mechanism of claim 5, wherein the driving means is a servomotor (4).

7. The trunnion locking mechanism of claim 1, wherein the locking mechanism (3) comprises at least two locking levers (31), one of the locking levers (31) is used for locking the first connecting seat (11) and the first trunnion (21), and the other locking lever (31) is used for locking the second connecting seat (12) and the second trunnion (22).

8. The trunnion locking mechanism of the electric vibration table according to claim 7, further comprising a connecting plate (5) rotatably connected to the base (2), wherein a sliding groove (51) is formed in the connecting plate (5), the connecting end of the locking rod (31) is slidably connected in the sliding groove (51), the locking end of the locking rod (31) extends into a guide block (32), and the guide block (32) is mounted on the base (2);

rotate connecting plate (5), make check lock lever (31) are in first operating condition or second operating condition during the second operating condition, the locking end of check lock lever (31) is located guide block (32), during first operating condition, the locking end of check lock lever (31) is located in first trunnion (21) and second trunnion (22).

9. The trunnion locking mechanism of the electric vibration table according to claim 8, wherein a slide block (34) is connected to the connecting end of the locking rod (31), and the slide block (34) is slidably connected in the slide groove (51).

10. The trunnion locking mechanism of the electric vibration table according to claim 1, wherein a supporting block (24) is further disposed on the base (2), and the height of the supporting block (24) is greater than or equal to the height of the first trunnion (21).