CN218983422U

CN218983422U - Four-degree-of-freedom cutting device

Info

Publication number: CN218983422U
Application number: CN202222193047.7U
Authority: CN
Inventors: 王兴松; 许飞云; 罗翔; 戴挺; 章功国
Original assignee: Anhui Jisite Intelligent Equipment Co ltd
Current assignee: Wuhu Zhongpu Intelligent Equipment Co ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2023-05-09
Anticipated expiration: 2032-08-19

Abstract

The utility model provides a four-degree-of-freedom cutting device, which relates to the technical field of industrial cutting and comprises a base and a movable mechanism, wherein the top surface of the base is fixedly connected with an outer cover, the top surface of the outer cover is fixedly connected with a top plate, and the movable mechanism comprises a first rotating plate and three positioning columns. According to the utility model, the arc clamping blocks in the protective shell are flush with the cutting blade, when the arc clamping blocks in the protective shell are in contact with the cutting blade, the cutting blade extrudes the arc clamping blocks, springs on two sides compress the arc clamping blocks and generate reverse elastic force on the arc clamping blocks, the elastic force of the springs on the arc clamping blocks enables the arc clamping blocks to extrude and clamp the cutting blade, and as the cutting blade is of a structure with a small lower surface and a large upper surface, the arc clamping blocks are contacted with the upper side of the cutting blade more tightly, the two arc clamping blocks clamp the cutting blade more tightly, so that damage to people when the cutting blade is not used is avoided, and a stable clamping effect on the cutting blade is realized.

Description

Four-degree-of-freedom cutting device

Technical Field

The utility model relates to the technical field of industrial cutting, in particular to a four-degree-of-freedom cutting device.

Background

Along with the development of the modern machining industry, the requirements on cutting quality and precision are continuously improved, and the requirements on improving production efficiency, reducing production cost and having a high intelligent automatic cutting function are also improved. The development of numerical control cutting machines must be adapted to the requirements of the development of the modern machining industry.

However, in the prior art, when the cutting device is not used, the cutter is not protected, damage is possibly caused by personnel touching the cutter by mistake, and the common cutter protecting device is sleeved on the surface of the cutter, and the cutter is easy to separate because the lower part of the cutter opening is narrow and the upper part of the cutter opening is wide.

Disclosure of Invention

The utility model aims to solve the problem that when a cutting device is not used, a cutter is not subjected to protection treatment, damage is possibly caused by personnel touching the cutter by mistake, and the common cutter protection device is sleeved on the surface of the cutter, and is easy to separate because the lower part of a cutter opening is narrow and the upper part of the cutter opening is wide.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the four-degree-of-freedom cutting device comprises a base and a movable mechanism, wherein the top surface of the base is fixedly connected with an outer cover, the top surface of the outer cover is fixedly connected with a top plate, the movable mechanism comprises a first rotating plate and three positioning columns, the outer side walls of the three positioning columns are slidably connected with lifting tables, a screw is connected to the center position of each lifting table in a threaded mode, the bottom ends of the screws are rotationally connected with the base, the top surface of the top plate is fixedly connected with a first motor at the position of each screw, the output ends of the first motor are fixedly connected with second motors, one end of each positioning column is movably connected with a second rotating plate, the output ends of two second motors penetrate through the side walls of the first rotating plates, the top surfaces of the lifting tables are fixedly connected with the output ends of adjacent second motors, and the top surfaces of the second rotating plates are fixedly connected with the output ends of the adjacent second motors;

the utility model provides a cutting tool mechanism is provided with to second rotor plate one end that deviates from the second motor, cutter mechanism includes cutting blade, two vertical spouts have been seted up to cutting blade's side, cutting blade passes through sliding connection between vertical spout and the second rotor plate, cutting blade's bottom is provided with protection machanism, protection machanism includes the protecting crust, one side fixedly connected with axis of rotation of protecting crust, rotate between axis of rotation and the cutting blade and be connected, the axis of rotation is inside to be provided with two circular arc fixture blocks, two the equal fixedly connected with spring of one side that deviates from mutually of circular arc fixture block, two fixedly connected with between spring and the inside wall of protecting crust.

Preferably, the top surface of the second rotating plate is provided with a vibration mechanism, and the vibration mechanism comprises a third motor and an eccentric rotating plate.

Preferably, the output end of the third motor is fixedly connected with the center of the side surface of the eccentric rotating plate, the other side surface of the eccentric rotating plate is fixedly connected with a positioning rod, a horizontal chute is formed in the side surface of the cutting blade, and the positioning rod is in sliding connection with the horizontal chute.

Preferably, one end fixedly connected with rotation button of axis of rotation, two the top and the bottom of circular arc fixture block all are provided with the limiting plate, fixed connection between limiting plate and the inside wall of protecting crust.

Preferably, the outer side wall of the arc clamping block is paved with an anti-slip pad, and the inner bottom wall of the protective shell is paved with sponge foam.

Preferably, the length of the first rotating plate is equal to that of the second rotating plate, and the outer cover is of a half cylinder structure.

Preferably, the outer surface of the cutting blade is coated with cutting fluid, and the outer surface of the spring is coated with rust inhibitor.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, the arc clamping blocks in the protective shell are flush with the cutting blade, when the arc clamping blocks in the protective shell are in contact with the cutting blade, the cutting blade extrudes the arc clamping blocks, springs on two sides compress the arc clamping blocks and generate reverse elastic force on the arc clamping blocks, the elastic force of the springs on the arc clamping blocks enables the arc clamping blocks to extrude and clamp the cutting blade, and as the cutting blade is of a structure with a small lower surface and a large upper surface, the arc clamping blocks are contacted with the upper side of the cutting blade more tightly, the two arc clamping blocks clamp the cutting blade more tightly, so that damage to people caused by the cutting blade when the cutting blade is not used is avoided, and the stable clamping effect on the cutting blade is realized.

2. According to the utility model, the eccentric rotating plate rotates along with the output end of the third motor through the rotation of the third motor, and the positioning rod at the side edge of the eccentric rotating plate generates an eccentric rotating effect.

Drawings

Fig. 1 is a schematic perspective view of a four-degree-of-freedom cutting device according to the present utility model;

FIG. 2 is a top view of a four degree of freedom cutting apparatus according to the present utility model;

FIG. 3 is a schematic diagram of a vibration mechanism of a four-degree-of-freedom cutting device according to the present utility model;

fig. 4 is a schematic structural diagram of a protection mechanism of a four-degree-of-freedom cutting device according to the present utility model.

Legend description:

1. a base; 2. an outer cover; 3. a top plate;

4. a movable mechanism; 41. a lifting table; 42. positioning columns; 43. a screw; 44. a first motor; 45. a first rotating plate; 46. a second rotating plate; 47. a second motor;

5. a vibration mechanism; 51. a third motor; 52. an eccentric rotating plate; 53. a positioning rod;

6. a cutter mechanism; 61. a cutting blade; 62. a horizontal chute; 63. a vertical chute;

7. a protective mechanism; 71. a protective shell; 72. a rotating shaft; 73. a rotation knob; 74. a circular arc clamping block; 75. a limiting plate; 76. and (3) a spring.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

1, as shown in fig. 1-4, the utility model provides a four-degree-of-freedom cutting device, which comprises a base 1 and a movable mechanism 4, wherein the top surface of the base 1 is fixedly connected with an outer cover 2, the top surface of the outer cover 2 is fixedly connected with a top plate 3, the movable mechanism 4 comprises a first rotating plate 45 and three positioning columns 42, the outer side walls of the three positioning columns 42 are slidably connected with a lifting table 41, a screw 43 is in threaded connection with the center position of the lifting table 41, the bottom end of the screw 43 is in rotational connection with the base 1, the top surface of the top plate 3 is fixedly connected with a first motor 44 at the position of the screw 43, the output end of the first motor 44 is fixedly connected with the screw 43, the two ends of the top surface of the first rotating plate 45 are fixedly connected with second motors 47, one end of the positioning columns 42 is movably connected with a second rotating plate 46, the output ends of the two second motors 47 penetrate through the side walls of the first rotating plate 45, and the top surface of the lifting table 41 is fixedly connected with the output ends of the adjacent second motors 47; the second rotating plate 46 is provided with a cutter mechanism 6 at one end deviating from the second motor 47, the cutter mechanism 6 comprises a cutting blade 61, two vertical sliding grooves 63 are formed in the side face of the cutting blade 61, the cutting blade 61 is in sliding connection with the second rotating plate 46 through the vertical sliding grooves 63, a protection mechanism 7 is arranged at the bottom end of the cutting blade 61, the protection mechanism 7 comprises a protection shell 71, a rotating shaft 72 is fixedly connected to one side of the protection shell 71, the rotating shaft 72 is in rotating connection with the cutting blade 61, two arc clamping blocks 74 are arranged in the rotating shaft 72, springs 76 are fixedly connected to the opposite sides of the two arc clamping blocks, the two springs 76 are fixedly connected to the inner side wall of the protection shell 71, the first motor 44 is started to drive a screw 43 to rotate, the screw 43 is driven to be in threaded connection to drive a lifting table 41 to move up and down during rotation, the up and down positions of the cutter mechanism 6 are adjusted, the second motor 47 is started to drive the first rotating plate 45 and the second rotating plate 46 to rotate, the rotating radians of the first rotating plate 45 and the second rotating plate 46 are controlled by adjusting the rotating angles of the two second motors 47 respectively, the included angles among the lifting table 41, the first rotating plate 45 and the second rotating plate 46 are continuously changed, so that the angle of the cutter mechanism 6 in the horizontal direction and the vertical direction is adjusted, when the cutting blade 61 is used, the rotating shaft 72 rotates the protective shell 71 for half a circle along the direction of the cutting blade 61, the protective shell 71 is completely separated from the surface of the cutting blade 61, the bottom end of the cutting blade 61 can cut an object, after the cutting blade 61 is used, the protective shell 71 is reset to the initial position, when the arc clamping block 74 inside the protective shell 71 is contacted with the cutting blade 61, the cutting blade 61 extrudes the arc clamping block 74, the springs 76 on both sides compress and generate an opposite elastic force to the circular arc clamping blocks 74, and the elastic force of the springs 76 to the circular arc clamping blocks 74 causes the circular arc clamping blocks 74 to press and clamp the cutting blade 61, and the cutting blade 61 has a structure with a small lower surface and a large upper surface, so that the two circular arc clamping blocks 74 clamp the cutting blade 61 more tightly the circular arc clamping blocks 74 are contacted with the upper side of the cutting blade 61.

As shown in fig. 3, the top surface of the second rotating plate 46 is provided with a vibration mechanism 5, and the vibration mechanism 5 includes a third motor 51 and an eccentric rotating plate 52. The output end of the third motor 51 is fixedly connected with the center position of the side surface of the eccentric rotating plate 52, the other side surface of the eccentric rotating plate 52 is fixedly connected with a positioning rod 53, a horizontal chute 62 is formed in the side surface of the cutting blade 61, the positioning rod 53 is in sliding connection with the horizontal chute 62, the cutting blade 61 is enabled to generate a high-frequency rapid vibration effect by arranging the vibration mechanism 5, the effect of rapid repeated cutting of the cutting blade 61 is achieved, when the third motor 51 rotates, the eccentric rotating plate 52 rotates along with the output end of the third motor 51, the positioning rod 53 on the side edge of the eccentric rotating plate 52 generates an eccentric rotating effect, and the positioning rod 53 can horizontally move in the horizontal chute 62 of the cutting blade 61, so that the positioning rod 53 only has an influence on the up-down vibration effect of the cutting blade 61.

As shown in fig. 4, one end of the rotating shaft 72 is fixedly connected with a rotating button 73, and the top end and the bottom end of two circular arc clamping blocks 74 are respectively provided with a limiting plate 75, and the limiting plates 75 are fixedly connected with the inner side walls of the protective shell 71. The slipmat has been laid to the lateral wall of circular arc fixture block 74, the sponge foam has been laid to the interior bottom wall of protecting crust 71, through set up rotary knob 73 at the outer end of axis of rotation 72, convenient to use person adjusts the rotation of axis of rotation 72, set up limiting plate 75 in the both sides of circular arc fixture block 74, when avoiding circular arc fixture block 74 to extrude cutting blade 61, the inclined plane of cutting blade 61 produces the power from top to bottom to circular arc fixture block 74 and makes circular arc fixture block 74 take place the skew, establish the slipmat in the side of circular arc fixture block 74, increase the frictional force between circular arc fixture block 74 and the cutting blade 61, make cutting blade 61 can not drop from circular arc fixture block 74 by the dead weight influence, set up the sponge foam in the bottom of protecting crust 71, avoid cutting blade 61 fish tail protecting crust 71's diapire.

As shown in fig. 1 and 4, the length of the first rotating plate 45 is equal to the length of the second rotating plate 46, and the housing 2 has a half cylinder structure. Cutting fluid is smeared on the outer surface of the cutting blade 61, antirust agent is smeared on the outer surface of the spring 76, the cutting fluid is smeared on the outer surface of the cutting blade 61 at regular time, the influence on cutting caused by overhigh temperature of the cutting blade 61 is avoided, the cutting effect of the cutting blade 61 is improved, antirust agent is smeared on the outer surface of the spring 76, the service life of the spring 76 is prolonged, one end of the outer cover 2 is opened, and the rotation amplitude of the first rotating plate 45 is enabled to be one hundred eighty degrees.

The application method and the working principle of the device are as follows: the first motor 44 is started to drive the screw 43 to rotate, the screw 43 drives the threaded connection to drive the lifting table 41 to move up and down, the upper and lower positions of the cutter mechanism 6 are adjusted, the second motor 47 is started to drive the first rotating plate 45 and the second rotating plate 46 to rotate, the rotating radians of the first rotating plate 45 and the second rotating plate 46 are controlled by adjusting the rotating angles of the two second motors 47 respectively, the included angles among the lifting table 41, the first rotating plate 45 and the second rotating plate 46 are continuously changed, so that the cutter mechanism 6 is adjusted to enable the angles in the horizontal direction and the vertical direction, when the cutter mechanism 61 is used, the rotating shaft 72 enables the protective shell 71 to rotate a half circle along the direction of the cutter mechanism 61, the protective shell 71 is completely separated from the surface of the cutter mechanism 61, the bottom end of the cutter mechanism 61 can cut an object, the cutter mechanism 5 is arranged to enable the cutter mechanism 61 to generate a high-frequency rapid vibration effect, when the third motor 51 rotates, the eccentric rotating plate 52 rotates along with the output end of the third motor 51, the positioning rod 53 at the side edge of the eccentric rotating plate 52 generates eccentric rotating effect, the positioning rod 53 can horizontally move in the horizontal sliding groove 62 of the cutting blade 61, so that the positioning rod 53 only has influence on the up-down vibration effect of the cutting blade 61, the protective shell 71 is reset to the initial position after the cutting blade 61 is used, when the arc clamping block 74 in the protective shell 71 contacts with the cutting blade 61, the cutting blade 61 presses the arc clamping block 74, the springs 76 at two sides compress and generate reverse elasticity on the arc clamping block 74, the elastic force of the springs 76 press and clamp the arc clamping block 74 on the cutting blade 61, the cutting blade 61 has a big structure on the lower surface, the more the circular arc stoppers 74 contact the upper side of the cutting blade 61, the tighter the two circular arc stoppers 74 grip the cutting blade 61.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides a four degrees of freedom cutting device, includes base (1) and movable mechanism (4), its characterized in that: the top surface fixedly connected with dustcoat (2) of base (1), the top surface fixedly connected with roof (3) of dustcoat (2), movable mechanism (4) are including first rotor plate (45) and three reference column (42), and the lateral wall sliding connection of reference column (42) has elevating platform (41), the central point department threaded connection of elevating platform (41) has screw rod (43), rotate between the bottom of screw rod (43) and base (1) and be connected, the top surface of roof (3) is located screw rod (43) position department fixedly connected with first motor (44), the output of first motor (44) is fixedly connected with between screw rod (43), the top surface both ends of first rotor plate (45) are all fixedly connected with second motor (47), the one end swing connection of reference column (42) has second rotor plate (46), the output of two second motor (47) all runs through the lateral wall of first rotor plate (45), between the top surface of elevating platform (41) and the adjacent second motor (47) and the output of second motor (47) are fixedly connected with each other between the adjacent top surface of second motor (47);

the utility model provides a cutting tool for cutting a workpiece, includes cutting blade (61), cutting blade (61) have been seted up to second rotating plate (46) one end that deviates from second motor (47) is provided with cutter mechanism (6), two vertical spouts (63) have been seted up to cutter mechanism (6) side, sliding connection between cutting blade (61) through vertical spout (63) and second rotating plate (46), the bottom of cutting blade (61) is provided with protection machanism (7), protection machanism (7) include protection shell (71), one side fixedly connected with axis of rotation (72) of protection shell (71), swivelling joint between axis of rotation (72) and cutting blade (61), inside two circular arc fixture blocks (74) are all fixedly connected with spring (76) in one side of deviating from mutually, two fixedly connected with between spring (76) and the inside wall of protection shell (71).

2. The four-degree-of-freedom cutting apparatus of claim 1, wherein: the top surface of second pivoted board (46) is provided with vibration mechanism (5), vibration mechanism (5) are including third motor (51) and eccentric pivoted board (52).

3. The four-degree-of-freedom cutting apparatus of claim 2, wherein: the output end of the third motor (51) is fixedly connected with the center of the side face of the eccentric rotating plate (52), the other side face of the eccentric rotating plate (52) is fixedly connected with a positioning rod (53), a horizontal chute (62) is formed in the side face of the cutting blade (61), and the positioning rod (53) is in sliding connection with the horizontal chute (62).

4. The four-degree-of-freedom cutting apparatus of claim 1, wherein: one end fixedly connected with rotation button (73) of axis of rotation (72), two top and bottom of circular arc fixture block (74) all are provided with limiting plate (75), fixed connection between limiting plate (75) and the inside wall of protecting crust (71).

5. The four-degree-of-freedom cutting apparatus of claim 1, wherein: the anti-slip pad is laid on the outer side wall of the arc clamping block (74), and the sponge foam is laid on the inner bottom wall of the protective shell (71).

6. The four-degree-of-freedom cutting apparatus of claim 1, wherein: the length of the first rotating plate (45) is equal to that of the second rotating plate (46), and the outer cover (2) is of a half cylinder structure.

7. The four-degree-of-freedom cutting apparatus of claim 1, wherein: the outer surface of the cutting blade (61) is coated with cutting fluid, and the outer surface of the spring (76) is coated with rust inhibitor.