CN215788435U

CN215788435U - Four-axis compound motion mechanism

Info

Publication number: CN215788435U
Application number: CN202120655955.6U
Authority: CN
Inventors: 何磊; 余顺平; 张旭
Original assignee: Shenzhen Ming Go Technology Co ltd
Current assignee: Shenzhen Ming Go Technology Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2022-02-11
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses a four-axis compound movement mechanism which comprises a main body, wherein two supports are fixedly connected to two sides of the top of the main body, the same sliding rod is fixedly connected between the two supports, the same sliding block is sleeved outside the two sliding rods, a fixed bin is fixedly connected to the top of the sliding block, two protective shells and a connecting rod are fixedly connected to one side of the main body, the same reciprocating lead screw is rotatably connected between the top of each protective shell and the connecting rod, first sleeves are sleeved in the middle of the two reciprocating lead screws, the same support frame is fixedly connected between the two first sleeves, and an operation bin is arranged in the middle of the support frame. Compared with the existing device, the device has the advantages that the support, the sliding rod, the reciprocating screw rod, the sleeve, the threaded rod, the worm wheel, the fixed bin, the material bearing plate and the pulley are arranged, when the device is used, the device has multiple degrees of freedom and multiple shafts to move in a combined mode, the operation effect is good, the operation is simple, and the device is stable and practical.

Description

Four-axis compound motion mechanism

Technical Field

The utility model relates to the technical field of compound motion, in particular to a four-axis compound motion mechanism.

Background

The multi-axis linkage refers to the simultaneous processing on a plurality of coordinate axes on one machine tool, and the multi-axis linkage processing can improve the processing precision, quality and efficiency of the space free-form surface. Modern numerical control machining is developing in the direction of high speed, high precision, high intelligence, high flexibility, high automation and high reliability.

Through retrieval, the Chinese patent with publication number CN206468762U discloses a compound motion mechanism, which comprises a bracket, a swing rod, a slide block and a power device; the upper end surface of the bracket extends to form a guide rail, the sliding block is sleeved on the guide rail in a sliding manner, the power device is fixed on the bracket, and one end of the power device, which is connected with the sliding block, is used for driving the sliding block to slide on the guide rail; an L-shaped groove is formed in one side face of the support, a roller is arranged at one end of the swing rod and is in sliding connection with the L-shaped groove, and one side, close to the support, of the swing rod is in pivot connection with the sliding block. The compound movement mechanism is pivoted with the sliding block through a swing rod, the sliding block is movably sleeved on the support, and the tail end of the swing rod is provided with a device matched with the roller and the L-shaped groove of the support.

One compound motion mechanism in the above patent has the following disadvantages: when the device is used, the freedom degree of the device is low, so that the operation effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a four-axis compound motion mechanism.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a four-axis combined movement mechanism, includes the main part, two equal two supports of fixedly connected with in top both sides of main part, two the same slide bar of fixedly connected with between the support, two the outside cover of slide bar is equipped with same sliding block, the fixed storehouse of top fixedly connected with of sliding block, two protecting crust and connecting rod of one side fixedly connected with of main part, the top of protecting crust with rotate between the connecting rod and be connected with same reciprocal lead screw, two first sleeve, two are established to the equal cover in middle part of reciprocal lead screw the same support frame of fixedly connected with between the first sleeve, the middle part of support frame is equipped with the operation storehouse, the bottom of main part is equipped with actuating mechanism, the inside and the top of fixed storehouse are equipped with perpendicular mechanism of second and second horizontal mechanism respectively.

Further, actuating mechanism includes the motor, the motor with the bottom fixed connection of main part, four jibs of bottom fixedly connected with of main part, two rotate between the jib and be connected with same second worm, the bottom fixedly connected with second worm wheel of reciprocal lead screw, the second worm with the second worm wheel meshes mutually, the output shaft of motor passes through the belt and rotates with two second worms respectively and be connected.

Further, the perpendicular mechanism of second includes two second threaded rods, two circular through-holes, two have all been seted up to fixed storehouse top and bottom the second threaded rod with fixed storehouse is connected, two at the internal rotation of two circular through-holes the middle part of second threaded rod all is equipped with the second sleeve, the telescopic outside of second all is equipped with first worm wheel, the internal rotation of fixed storehouse is connected with first worm, first worm with the second worm meshes mutually, the one end of first worm runs through extremely one side of fixed storehouse is outside, the one end fixedly connected with second runner of first worm.

Further, the second horizontal mechanism comprises a material bearing plate, four limiting rods are fixedly connected to the top of the fixed bin, the material bearing plate is fixedly connected with the four limiting rods, a sliding groove is formed in the top of the material bearing plate, two clamping plates are arranged on the top of the material bearing plate, the bottoms of the clamping plates are matched with the sliding groove of the material bearing plate, threaded holes are formed in the bottoms of the clamping plates, the clamping plates are rotatably connected with the same first threaded rod in the threaded hole, and a first runner is fixedly connected to one end of the first threaded rod.

Further, one side of sliding block is rotated and is connected with the kelly, top one side of main part is equipped with a plurality of draw-in grooves, the kelly with the draw-in groove looks adaptation of main part, the bottom of main part is equipped with vibration damping mount.

Further, the bottom of sliding block is equipped with the pulley, the bottom of pulley with the top of main part contacts.

The utility model has the beneficial effects that:

1. by arranging the bracket, the sliding rod, the reciprocating screw rod, the sleeve, the threaded rod, the worm wheel, the fixed bin and the material bearing plate, when the device is used, the sliding block can move left and right on the sliding rod of the bracket so as to achieve a first horizontal degree of freedom; the motor drives the second worm to be meshed with the second worm wheel through the belt, and the second worm wheel drives the sleeve on the reciprocating screw rod to move up and down so as to achieve a first vertical degree of freedom; rotating the first rotating wheel to drive the first threaded rod to enable the two clamping plates to approach in opposite directions so as to achieve a second horizontal degree of freedom; the second rotating wheel is rotated to drive the first worm, the first worm drives the second sleeve through the worm wheel, the second sleeve drives the material bearing plate to lift through the second threaded rod, so that a second vertical degree of freedom is achieved, the device has multiple degrees of freedom and multiple shafts move in a combined mode, and the operation effect is good;

2. by arranging the clamping rod and the clamping groove, when the device is used, the clamping rod is matched with the clamping groove to limit the first horizontal degree of freedom, so that the operation effect of the device is ensured;

3. through setting up the pulley, when using this device, the reducible device wearing and tearing of pulley have increased the practicality of device.

Through setting up support, slide bar, reciprocal lead screw, sleeve, threaded rod, worm wheel, fixed storehouse, holding board, pulley, when using this device, this device many square degrees of freedom, multiaxis combined motion, the operation is effectual, easy operation, and is stable practical.

Drawings

Fig. 1 is a schematic perspective view of a four-axis compound motion mechanism according to embodiment 1;

fig. 2 is a schematic front structural view of a four-axis compound motion mechanism according to embodiment 1;

FIG. 3 is a schematic cross-sectional view of the fixed bin of the four-axis compound movement mechanism in accordance with embodiment 1;

fig. 4 is a schematic structural diagram of a pulley of a four-axis compound motion mechanism provided in embodiment 2.

In the figure: the device comprises a main body 1, a damping base 2, a support 3, a sliding rod 4, a fixed bin 5, a first rotating wheel 6, a first threaded rod 7, a protective shell 8, a reciprocating screw rod 9, a support frame 10, a first sleeve 11, a working bin 12, a material bearing plate 13, a limiting rod 14, a first worm 15, a clamping rod 16, a sliding block 17, a second threaded rod 18, a second worm 19, a second worm wheel 20, a second sleeve 21 and a pulley 22.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, 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 drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-3, a four-axis combined movement mechanism, including main part 1, two equal fixedly connected with supports 3 in top both sides of main part 1, the same slide bar 4 of fixedly connected with between two supports 3, the outside cover of two slide bars 4 is equipped with same sliding block 17, the top fixedly connected with fixed bin 5 of sliding block 17, two protecting crust 8 and the connecting rod of one side fixedly connected with of main part 1, it is connected with same reciprocal lead screw 9 to rotate between the top of protecting crust 8 and the connecting rod, first sleeve 11 is all established to the middle part of two reciprocal lead screws 9 cover, the same support frame 10 of fixedly connected with between two first sleeve 11, the middle part of support frame 10 is equipped with operation storehouse 12, the bottom of main part 1 is equipped with actuating mechanism, the inside and the top of fixed bin 5 are equipped with perpendicular mechanism of second and the horizontal mechanism of second respectively.

Wherein, actuating mechanism includes the motor, motor and the bottom fixed connection of main part 1, and four jibs of bottom fixedly connected with of main part 1 rotate between two jibs and be connected with same second worm 19, and the bottom fixedly connected with second worm wheel 20 of reciprocal lead screw 9, second worm 19 and the meshing of second worm wheel 20 mutually, and the output shaft of motor passes through the belt and rotates with two second worms 19 respectively and be connected.

Wherein, the perpendicular mechanism of second includes two second threaded rods 18, two circular through-holes have all been seted up to fixed 5 tops in storehouse and bottom, two second threaded rods 18 are connected at the internal rotation of two circular through-holes with fixed storehouse 5, the middle part of two second threaded rods 18 all is equipped with second sleeve 21, the outside of second sleeve 21 all is equipped with first worm wheel, the internal rotation of fixed storehouse 5 is connected with first worm 15, first worm 15 meshes with the second worm mutually, the one end of first worm 15 runs through to one side outside of fixed storehouse 5, the one end fixedly connected with second runner of first worm 15.

The second horizontal mechanism comprises a material bearing plate 13, the top of the fixed bin 5 is fixedly connected with four limiting rods 14, the material bearing plate 13 is fixedly connected with the tops of the four limiting rods 14, the top of the material bearing plate 13 is provided with a sliding groove, the top of the material bearing plate 13 is provided with two clamping plates, the bottoms of the two clamping plates are matched with the sliding groove of the material bearing plate 13, the bottoms of the two clamping plates are provided with threaded holes, the two clamping plates are rotatably connected with the same first threaded rod 7 in the threaded holes, one end of the first threaded rod 7 is fixedly connected with a first rotating wheel 6, and a sliding block 17 can move left and right on a sliding rod 4 of the support 3 to achieve a first horizontal degree of freedom; the Y2-631-4 type motor drives the second worm 19 to be meshed with the second worm wheel 20 through a belt, and the second worm wheel 20 drives the first sleeve 11 on the reciprocating screw rod 9 to move up and down so as to achieve a first vertical degree of freedom; the first rotating wheel 6 is rotated to drive the first threaded rod 7, so that the two clamping plates approach to each other in an opposite manner to achieve a second horizontal degree of freedom; the second rotating wheel is rotated to drive the first worm 15, the first worm 15 drives the second sleeve 21 through the first worm wheel, and the second sleeve 21 drives the material bearing plate 13 to lift through the second threaded rod 18 so as to achieve a second vertical degree of freedom;

wherein, one side of sliding block 17 is rotated and is connected with kelly 16, and top one side of main part 1 is equipped with a plurality of draw-in grooves, and kelly 16 and main part 1's draw-in groove looks adaptation are equipped with vibration damping mount 2 and utilize kelly 16 and draw-in groove adaptation to restrict first horizontal degree of freedom, guarantee the operation effect of device.

The working principle is as follows: when the device is used, the sliding block 17 can move left and right on the sliding rod 4 of the bracket 3 so as to achieve a first horizontal degree of freedom; the motor drives the second worm 19 to be meshed with the second worm wheel 20 through a belt, and the second worm wheel 20 drives the first sleeve 11 on the reciprocating screw rod 9 to move up and down so as to achieve a first vertical degree of freedom; the first rotating wheel 6 is rotated to drive the first threaded rod 7, so that the two clamping plates approach to each other in an opposite manner to achieve a second horizontal degree of freedom; the second rotating wheel is rotated to drive the first worm 15, the first worm 15 drives the second sleeve 21 through the first worm wheel, and the second sleeve 21 drives the material bearing plate 13 to lift through the second threaded rod 18 so as to achieve a second vertical degree of freedom;

the first horizontal degree of freedom is limited by the matching of the clamping rod 16 and the clamping groove, and the operation effect of the device is ensured.

Example 2

Referring to fig. 4, compared with embodiment 1, in this embodiment, in order to increase the practicability of the device, the bottom of the sliding block 17 is provided with the pulley 22, the bottom of the pulley 22 contacts with the top of the main body 1, and the pulley 22 can reduce the wear of the device, thereby increasing the practicability of the device.

When the device is used, the pulley 22 can reduce the abrasion of the device and increase the practicability of the device.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The four-axis compound movement mechanism comprises a main body (1) and is characterized in that two supports (3) are arranged on two sides of the top of the main body (1), a same sliding rod (4) is arranged between the two supports (3), a same sliding block (17) is sleeved outside the two sliding rods (4), a fixed bin (5) is arranged at the top of the sliding block (17), two protective shells (8) and a connecting rod are arranged on one side of the main body (1), a same reciprocating lead screw (9) is arranged between the top of each protective shell (8) and the connecting rod, first sleeves (11) are sleeved in the middle of the two reciprocating lead screws (9), a same supporting frame (10) is arranged between the two first sleeves (11), an operation bin (12) is arranged in the middle of each supporting frame (10), and a driving mechanism is arranged at the bottom of the main body (1), and a second vertical mechanism and a second horizontal mechanism are respectively arranged in the fixed bin (5) and at the top of the fixed bin.

2. The four-axis compound motion mechanism as claimed in claim 1, wherein the driving mechanism comprises a motor, the motor is fixedly connected with the bottom of the main body (1), four suspension rods are arranged at the bottom of the main body (1), a same second worm (19) is arranged between the two suspension rods, a second worm wheel (20) is arranged at the bottom end of the reciprocating screw rod (9), the second worm (19) is meshed with the second worm wheel (20), and an output shaft of the motor is respectively and rotatably connected with the two second worms (19) through a belt.

3. The four-axis compound motion mechanism of claim 2, characterized in that the second vertical mechanism comprises two second threaded rods (18), two circular through holes are formed in the top and the bottom of the fixed bin (5), the second threaded rods (18) are connected with the fixed bin (5) in a rotating mode inside the two circular through holes, a second sleeve (21) is sleeved in the middle of each second threaded rod (18), a first worm wheel is sleeved outside each second sleeve (21), a first worm (15) is arranged inside the fixed bin (5), the first worm (15) is meshed with the second worm, one end of the first worm (15) penetrates through the outside of one side of the fixed bin (5), and a second rotating wheel is arranged at one end of the first worm (15).

4. The four-axis compound motion mechanism as claimed in claim 3, wherein the second horizontal mechanism comprises a material bearing plate (13), the top of the fixed bin (5) is provided with four limiting rods (14), the material bearing plate (13) is fixedly connected with the tops of the four limiting rods (14), the top of the material bearing plate (13) is provided with a sliding groove, the top of the material bearing plate (13) is provided with two clamping plates, the bottoms of the two clamping plates are respectively matched with the sliding groove of the material bearing plate (13), the bottoms of the two clamping plates are respectively provided with a threaded hole, the two clamping plates are provided with the same first threaded rod (7) inside the threaded hole, and one end of the first threaded rod (7) is provided with a first rotating wheel (6).

5. The four-axis compound movement mechanism as claimed in claim 4, characterized in that a clamping rod (16) is arranged on one side of the sliding block (17), a plurality of clamping grooves are arranged on one side of the top of the main body (1), the clamping rod (16) is matched with the clamping grooves of the main body (1), and a damping base (2) is arranged on the bottom of the main body (1).

6. A four-axis compound movement mechanism according to claim 5, characterized in that the bottom of the sliding block (17) is provided with a pulley (22), the bottom of the pulley (22) being in contact with the top of the body (1).