CN215588552U

CN215588552U - Engraving and milling machine with linkage swinging head structure

Info

Publication number: CN215588552U
Application number: CN202023012454.0U
Authority: CN
Inventors: 罗群; 罗亮
Original assignee: Anhui Suda Numerical Control Equipment Co ltd
Current assignee: Anhui Suda Numerical Control Equipment Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2022-01-21
Anticipated expiration: 2030-12-15

Abstract

The utility model provides a carving and milling machine with a linkage swing head structure, and relates to the technical field of carving and milling machines. The engraving and milling machine comprises a Z-axis base arranged on a frame of the engraving and milling machine, wherein a Z-axis guide rail is arranged on the surface of the Z-axis base and is connected with a Z-axis sliding plate in a sliding manner, and a linkage swinging head structure is arranged on one side of the bottom of the Z-axis sliding plate, which is far away from the Z-axis base; the linkage swinging head structure comprises a rotating shaft motor, a motor spindle and a tool handle, wherein a motor shaft of the rotating shaft motor drives the motor spindle to rotate through a harmonic reducer, and the tool handle is arranged at the bottom of the motor spindle. According to the utility model, Z-axis adjustment is realized in the process that the Z-axis sliding plate slides along the Z-axis guide rail, when the motor spindle is driven by the electric axis of the rotary shaft motor to rotate and swing, the motor spindle drives the tool holder to rotate to carry out adaptive engraving and milling on the uneven surface of the workpiece, fourth-axis linkage is realized on the basis of the existing X, Y, Z-axis linkage, and the requirements on the processing flatness, depth and precision of the workpiece are met.

Description

Engraving and milling machine with linkage swinging head structure

Technical Field

The utility model relates to the technical field of engraving and milling machines, in particular to an engraving and milling machine with a linkage swinging head structure.

Background

When the engraving and milling machine works, whether the surface of a workpiece is uneven or not can not be predicted, the workpiece is generally processed according to the state that the workpiece level is uneven, and the engraving is too deep or too shallow during processing, the traditional solution is to perform the engraving in different areas through manual leveling and dividing, the problem of different engraving depths can be basically solved, but the workload is too large, a flat plate needs to be leveled manually, the machine processing needs to be maintained manually, and the large-area continuously processed patterns cannot be used, and the precision is not high enough. Therefore, a multi-shaft linkage is needed to drive the cutter handle to rotate so as to meet the requirements on flatness, depth and precision of workpiece processing.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the engraving and milling machine with the linkage swing head structure.

The utility model solves the technical problems through the following technical means:

the engraving and milling machine with the linkage swinging head structure comprises a Z-axis base arranged on a frame of the engraving and milling machine, wherein a Z-axis guide rail is arranged on the surface of the Z-axis base and is connected with a Z-axis sliding plate in a sliding manner, and the linkage swinging head structure is arranged on one side, far away from the Z-axis base, of the bottom of the Z-axis sliding plate;

the linkage swinging head structure comprises a rotating shaft motor, a motor spindle and a tool handle, wherein the rotating shaft motor is arranged at the bottom of the Z-axis sliding plate in a penetrating mode and is far away from one side of the Z-axis base, the motor spindle of the rotating shaft motor is driven to rotate through the harmonic reducer, and the tool handle is arranged at the bottom of the motor spindle.

Furthermore, the end of the harmonic reducer is connected with a rotating connecting plate, the outer surface of the rotating connecting plate is connected with a spindle mounting plate, and the spindle mounting plate is fixedly connected with the side wall of the motor spindle.

Furthermore, a dust collection head support is fixed on the periphery of the motor spindle, a lifting cylinder is arranged outside the dust collection head support, and a floating dust collection head is connected to the end portion of a telescopic rod of the lifting cylinder.

Furthermore, a band-type brake servo motor is arranged at the top of the Z-axis base, a motor shaft of the band-type brake servo motor is connected with a Z-axis screw rod through a coupler, the Z-axis screw rod is located on the inner side of the Z-axis guide rail, and a Z-axis sliding block in sliding fit with the Z-axis guide rail and a Z-axis nut seat in threaded connection with the Z-axis screw rod are arranged on the back of the Z-axis sliding plate.

Furthermore, the positions, close to the two ends, of the Z-axis screw rod are in threaded connection with bearing seats, and the Z-axis nut seat is fixedly connected with the Z-axis sliding plate.

Furthermore, the lateral wall of Z axle slide is equipped with the work piece surface measurement structure that is used for measuring work piece surface smoothness, and work piece surface measurement structure is including measuring the cylinder, measuring the cylinder block, measuring the piece, measures the cylinder and is connected with through measuring that the cylinder block is fixed and its telescopic link downwardly extending is measured the slip table, measures the bottom and the measuring piece of slip table and can dismantle and be connected, measures the telescopic link drive of cylinder and measures slip table, measuring the piece and slide.

Further, measure cylinder, measure the equal vertical downward setting of slip table, measurement spare, the back of measuring the slip table is equipped with the slip table, and the lateral wall surface of Z axle slide is equipped with the guide rail with slip table sliding connection.

Furthermore, the measuring part is a carving treasure, the measuring part is in threaded connection with the measuring sliding table, and the measuring part extends out of the bottom of the Z-axis sliding plate.

Furthermore, the lateral wall of Z axle base is equipped with counter weight buffer gear, and counter weight buffer gear includes counter weight cylinder, floating joint, and the counter weight cylinder is fixed in the lateral wall of Z axle base through counter weight cylinder block, and the bottom that floats the joint is fixed in the lateral wall of Z axle slide through the joint block that floats, and the telescopic link of counter weight cylinder is vertical downwards to be connected with floating joint.

The utility model has the beneficial effects that:

according to the engraving and milling machine with the linkage swing head structure, the linkage swing head structure comprising the rotating shaft motor, the motor spindle and the tool holder is arranged on one side, far away from the Z-axis base, of the bottom of the Z-axis sliding plate, so that Z-axis adjustment is achieved in the sliding process of the Z-axis sliding plate along the Z-axis guide rail, meanwhile, when the rotating shaft motor and the motor spindle are driven by the electric shaft to rotate and swing, the motor spindle drives the tool holder to rotate to perform adaptive engraving and milling on the uneven surface of a workpiece, fourth-axis linkage is achieved on the basis of existing X, Y, Z-axis linkage, and the requirements on the flatness, depth and precision of workpiece processing are met.

Drawings

FIG. 1 is a front view of an engraving and milling machine having a linked swinging head configuration according to the present invention;

FIG. 2 is a cross-sectional view taken at E-E of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a side view of the engraving and milling machine with a linked swing head configuration of the present invention;

fig. 5 is a partially enlarged view of B in fig. 4.

In the figure: 1. a band-type brake servo motor; 2. a Z-axis base; 3. a coupling; 4. a bearing seat; 5. a Z-axis lead screw; 6. a Z-axis guide rail; 7. a Z-axis slide plate; 8. a counterweight cylinder; 9. a counterweight cylinder block; 10. a floating joint; 11. a floating joint seat; 12. a measuring cylinder; 13. measuring a cylinder block; 14. measuring a sliding table; 15. a measuring member; 16. a rotating shaft motor; 17. a harmonic speed reducer; 18. rotating the connecting plate; 19. a main shaft mounting plate; 20. a motor spindle; 21. a dust suction head bracket; 22. a lifting cylinder; 23. a floating dust collection head; 24. a knife handle; 25. a Z-axis slide block; 26. z-axis nut seat.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Examples

As shown in fig. 1-5, the engraving and milling machine with the linkage pendulum head structure according to the embodiment includes a Z-axis base 2 disposed on a rack of the engraving and milling machine, a Z-axis guide rail 6 is disposed on a surface of the Z-axis base 2, the Z-axis guide rail 6 is slidably connected to a Z-axis sliding plate 7, and a linkage pendulum head structure is disposed on a side of a bottom of the Z-axis sliding plate 7 away from the Z-axis base 2;

the linkage swinging head structure comprises a rotating shaft motor 16, a motor spindle 20 and a tool shank 24, wherein the rotating shaft motor 16 is arranged at the bottom of the Z-axis sliding plate 7 in a penetrating mode and is far away from one side of the Z-axis base 2, a motor shaft of the rotating shaft motor 16 drives the motor spindle 20 to rotate through a harmonic speed reducer 17, and the tool shank 24 is arranged at the bottom of the motor spindle 20.

The carving that this embodiment has linkage pendulum head structure mills machine, one side setting including rotation axis motor 16 through keeping away from Z axle base 2 in the bottom of Z axle slide 7 is provided with the linkage pendulum head structure of handle of a knife 24, make Z axle slide 7 realize the Z axle and adjust along the 6 slip in-process of Z axle guide rail, when rotation axis motor 16 electric axis drive motor main shaft 20 rotatory swing simultaneously, motor main shaft 20 drives the rotatory unevenness surface of handle of a knife 24 and carries out carving and milling adaptively to the work piece, realize the fourth axle linkage on current XYZ axle linkage basis, reach the requirement to work piece processing roughness, degree of depth and precision. The motor spindle 20 of the embodiment can realize the rotary swing of 180-270 degrees.

The end of the harmonic speed reducer 17 is connected with a rotary connecting plate 18, the outer surface of the rotary connecting plate 18 is connected with a main shaft mounting plate 19, and the main shaft mounting plate 19 is fixedly connected with the side wall of a motor main shaft 20. Through the rotating connecting plate 18 and the spindle mounting plate 19, when the rotating shaft motor 16 drives the rotating connecting plate 18 to rotate, the spindle mounting plate 19 and the motor spindle 20 can swing and rotate more stably.

A dust collection head support 21 is fixed on the periphery of the motor spindle 20, a lifting cylinder 22 is arranged outside the dust collection head support 21, and a floating dust collection head 23 is connected to the end of a telescopic rod of the lifting cylinder 22. The floating dust collection head 23 is connected with a vacuum dust collection pipe, when the lifting cylinder 22 drives the floating dust collection head 23 to do telescopic motion, the vacuum dust collection pipe can timely adsorb and remove carving and milling waste materials and dust, and the carving and milling precision is prevented from being influenced.

The top of the Z-axis base 2 is provided with a band-type brake servo motor 1, a motor shaft of the band-type brake servo motor 1 is connected with a Z-axis screw rod 5 through a coupler 3, the Z-axis screw rod 5 is located on the inner side of a Z-axis guide rail 6, and the back of the Z-axis sliding plate 7 is provided with a Z-axis sliding block 25 in sliding fit with the Z-axis guide rail 6 and a Z-axis nut seat 26 in threaded connection with the Z-axis screw rod 5. When the motor shaft of the band-type brake servo motor 1 rotates clockwise or anticlockwise, the shaft coupling 3 drives the Z-axis screw rod 5 to rotate clockwise or anticlockwise, and the Z-axis screw rod 5 drives the Z-axis nut seat 26 to move up and down, so that the Z-axis sliding block 25 slides along the Z-axis guide rail 6, and the Z-axis sliding plate 7 moves up and down. The lead screw nut mechanism is matched with the slide block guide rail mechanism to enable the Z-axis slide plate 7 to slide more stably and accurately.

The positions of the Z-axis screw rod 5, which are close to the two ends, are in threaded connection with bearing seats 4, and Z-axis nut seats 26 are fixedly connected with Z-axis sliding plates 7.

The lateral wall of Z axle slide 7 is equipped with the work piece surface measurement structure that is used for measuring work piece surface flatness, and work piece surface measurement structure is including measuring cylinder 12, measure cylinder block 13, measuring 15, and it is fixed and its telescopic link downwardly extending is connected with and measures slip table 14 to measure cylinder 12 through measuring cylinder block 13, and the bottom of measuring slip table 14 can be dismantled with measuring 15 and be connected, measures slip table 14, measuring 15 slides of cylinder 12's telescopic link drive. The design of the workpiece surface measuring structure is convenient for driving the measuring sliding table 14 and the measuring piece 15 to move up and down through the measuring cylinder 12 aiming at workpieces with uneven surfaces, the depth of the workpiece surface is collected to generate measuring data by matching with the existing XYZ-axis linkage, and the processing program of the engraving and milling machine is conveniently input to perform engraving and milling with accurate depth; the surface measuring mechanism is convenient to assemble, saves the installation area, and is suitable for surface measurement of uneven workpieces.

The measuring cylinder 12, the measuring sliding table 14 and the measuring part 15 are vertically arranged downwards, the sliding table is arranged on the back face of the measuring sliding table 14, and the guide rail connected with the sliding table in a sliding mode is arranged on the surface of the side wall of the Z-axis sliding plate 7. The sliding table slides along the guide rail, so that the measurement cylinder 12 drives the measurement sliding table 14 to move more stably and controllably.

The measuring piece 15 is a lettering device, the measuring piece 15 is in threaded connection with the measuring sliding table 14, and the measuring piece 15 extends out of the bottom of the Z-axis sliding plate 7. The carving tool is preferably a carving tool which is sold in the market and has a leveling function.

The lateral wall of Z axle base 2 is equipped with counter weight buffer gear, and counter weight buffer gear includes counter weight cylinder 8, floating joint 10, and counter weight cylinder 8 is fixed in the lateral wall of Z axle base 2 through counter weight cylinder block 9, and floating joint 10's bottom is fixed in the lateral wall of Z axle slide 7 through floating joint seat 11, and counter weight cylinder 8's telescopic link is vertical downwards to be connected with floating joint 10. The design of counter weight buffer gear for when Z axle slider 25 slided along Z axle guide rail 6, the floating joint 10 with 8 telescopic links fixed connection of counter weight cylinder provides certain cushion effect for Z axle slide 7, avoids rocking and the error that the slip process takes place.

The carving that this embodiment has linkage pendulum head structure mills machine, the theory of operation as follows:

a) z-axis linkage: starting the band-type brake servo motor 1, wherein a motor shaft of the band-type brake servo motor 1 rotates clockwise or anticlockwise, the Z-axis screw rod 5 drives the Z-axis nut base 26 to move up and down through the coupling 3, so that the Z-axis slide block 25 slides along the Z-axis guide rail 6, and the Z-axis slide plate 7 drives the linkage swing head structure to move up and down;

b) surface measurement: the measuring cylinder 12 drives the measuring sliding table 14 and the measuring piece 15 to move up and down, and the depth of the surface of the workpiece is collected by matching with the existing XYZ-axis linkage to generate measuring data;

c) linkage swinging: the rotary shaft motor 16 drives the rotary connecting plate 18 to rotate through an electric shaft, the spindle mounting plate 19 and the motor spindle 20 rotate simultaneously, and the motor spindle 20 drives the tool shank 24 to rotate so as to adaptively carve and mill uneven surfaces of workpieces;

d) dust collection and impurity removal: the floating dust collection head 23 is connected with a vacuum dust collection pipe, and when the lifting cylinder 22 drives the floating dust collection head 23 to move telescopically, the vacuum dust collection pipe can absorb and remove the engraving and milling waste materials and dust in time;

e) and (3) counterweight buffering: when the Z-axis sliding block 25 slides along the Z-axis guide rail 6, the floating joint 10 fixedly connected with the telescopic rod of the counterweight cylinder 8 provides certain buffer force for the Z-axis sliding plate 7, and the shaking and the error in the sliding process are avoided.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The engraving and milling machine with the linkage swinging head structure comprises a Z-axis base (2) arranged on a frame of the engraving and milling machine, wherein a Z-axis guide rail (6) is arranged on the surface of the Z-axis base (2), and the Z-axis guide rail (6) is connected with a Z-axis sliding plate (7) in a sliding manner;

the linkage swinging head structure comprises a rotating shaft motor (16), a motor spindle (20) and a cutter handle (24), wherein the rotating shaft motor (16) is arranged at one side of the bottom of a Z-axis sliding plate (7) in a penetrating mode and far away from a Z-axis base (2), a motor shaft of the rotating shaft motor (16) drives the motor spindle (20) to rotate through a harmonic speed reducer (17), and the cutter handle (24) is arranged at the bottom of the motor spindle (20).

2. The engraving and milling machine with the linkage pendulum head structure according to claim 1, characterized in that the end of the harmonic reducer (17) is connected with a rotary connecting plate (18), the outer surface of the rotary connecting plate (18) is connected with a spindle mounting plate (19), and the spindle mounting plate (19) is fixedly connected with the side wall of the motor spindle (20).

3. The engraving and milling machine with the linkage pendulum head structure according to claim 2, characterized in that a dust collection head support (21) is fixed on the periphery of the motor spindle (20), a lifting cylinder (22) is arranged outside the dust collection head support (21), and a floating dust collection head (23) is connected to the end of a telescopic rod of the lifting cylinder (22).

4. The engraving and milling machine with the linkage pendulum head structure according to claim 1, characterized in that the top of the Z-axis base (2) is provided with a band-type brake servo motor (1), a motor shaft of the band-type brake servo motor (1) is connected with a Z-axis lead screw (5) through a coupler (3), the Z-axis lead screw (5) is located on the inner side of a Z-axis guide rail (6), and the back of the Z-axis sliding plate (7) is provided with a Z-axis sliding block (25) in sliding fit with the Z-axis guide rail (6) and a Z-axis nut seat (26) in threaded connection with the Z-axis lead screw (5).

5. The engraving and milling machine with the linkage swinging head structure as claimed in claim 4, characterized in that a bearing seat (4) is connected with the Z-axis screw rod (5) in a threaded manner near the two ends, and a Z-axis nut seat (26) is fixedly connected with the Z-axis sliding plate (7).