CN210101153U

CN210101153U - Numerical control engraving machine of double-Z-axis multi-spindle motor

Info

Publication number: CN210101153U
Application number: CN201920631062.0U
Authority: CN
Inventors: 袁昌荣; 张建兴
Original assignee: HEFEI SIGNRIGHT NUMERICAL CONTROL EQUIPMENT CO Ltd
Current assignee: HEFEI SIGNRIGHT NUMERICAL CONTROL EQUIPMENT CO Ltd
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2020-02-21
Anticipated expiration: 2029-05-05

Abstract

The utility model discloses a numerical control engraving machine with double Z-axis and multi-spindle motors, which relates to the technical field of numerical control engraving machines, and the key points of the technical proposal are that the numerical control engraving machine comprises a machine table, an X-direction device, a Y-direction device and a Z-direction device; the X-direction device comprises a portal frame and an X-direction driving mechanism; the Y-direction device comprises two bases and two groups of Y-direction driving mechanisms; the Z-direction device comprises two main tool apron and two groups of Z-direction driving mechanisms, and also comprises two connecting plates, wherein a first connecting mechanism for fixing the connecting plates is arranged on each main tool apron; each connecting plate is detachably connected with a plurality of spindle motors, and each connecting plate is provided with a plurality of groups of second connecting mechanisms which are respectively used for fixing the spindle motors; an output shaft of each spindle motor is provided with a carving knife handle, and a carving knife is arranged on the carving knife handle. The utility model provides an inconvenient carving out the problem of a plurality of products in batches from panel, reached and be convenient for carve out the effect of a plurality of products in batches from panel.

Description

Numerical control engraving machine of double-Z-axis multi-spindle motor

Technical Field

The utility model relates to a numerical control engraver technical field, more specifically the saying so, it relates to a numerical control engraver of many main shafts of two Z axles motor.

Background

The numerical control engraving machine comprises a woodworking engraving machine, a stone engraving machine, an advertisement engraving machine, a glass engraving machine, a laser engraving machine, a plasma engraving machine and a laser cutting machine.

The prior art can refer to Chinese patent application with publication number CN108944212A, which discloses a numerical control engraving machine, comprising a machine case, a workbench, an engraving knife, a waste bin, a slide rail and a movable lantern ring, wherein the upper end of the movable lantern ring is provided with the waste bin, one side of the waste bin is provided with an air suction pump, two ends of the air suction pump are provided with connecting pipes communicated with each other, the air outlet of the air suction pump is connected with the waste bin, the connecting pipe at the air inlet of the air suction pump is provided with a first air inlet pipe and a second air inlet pipe communicated with each other, two ends of a motor are provided with fixed blocks, the outer side of the bottom of the engraving knife is provided with an annular collecting pipe, the bottom of the fixed block is fixedly connected with the upper end of the annular collecting pipe through a fixed rod, the first air inlet pipe and the second air inlet pipe are respectively, the design is simple to operate, high in comprehensive practicability and easy to popularize and use.

However, since the apparatus is provided with only one engraving knife, it is inconvenient to engrave a plurality of products in a batch from a plate material, and thus the production efficiency of the apparatus is low.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a numerical control engraver of many main shafts of two Z axles motor, it is through installing many carving knives, is convenient for carve out a plurality of products in batches from panel, therefore can make the production efficiency of this kind of equipment higher.

In order to achieve the above purpose, the utility model provides a following technical scheme: a numerical control engraving machine with double Z-axis and multi-spindle motors comprises a machine table, an X-direction device, a Y-direction device and a Z-direction device; the X-direction device comprises a portal frame connected to the machine station in a sliding manner along the X-axis direction and an X-direction driving mechanism used for driving the portal frame to move; the Y-direction device comprises two bases connected to the top of the gantry in a sliding manner along the Y-axis direction and two groups of Y-direction driving mechanisms which are arranged on the gantry and are respectively used for driving the two bases to move; the Z-direction device comprises two main tool apron which are respectively connected with the two bases in a sliding manner along the Z-axis direction, and two groups of Z-direction driving mechanisms which are respectively arranged on the two bases and used for driving the main tool apron to move; each connecting plate is detachably connected with a plurality of spindle motors, and each connecting plate is provided with a plurality of groups of second connecting mechanisms which are respectively used for fixing the spindle motors; and an output shaft of each spindle motor is provided with a carving knife handle, and the carving knife handle is provided with a carving knife.

By adopting the technical scheme, the portal frame is driven to move along the X direction by the X-direction driving mechanism, and the portal frame moves along the X direction to drive the main cutter holder to move along the X direction; the base is driven to move along the Y direction by the Y-direction driving mechanism, and the base moves along the Y direction to drive the main cutter holder to move along the Y direction; the main tool apron is driven to move along the Z direction by the Z-direction driving mechanism, so that the main engraving tool realizes three-degree-of-freedom movement; put board on the board, then rotate through a plurality of sculpture handle of a knife of a plurality of spindle motor drive to make a plurality of carving tools rotate, therefore be convenient for carve out a plurality of products in batches from panel.

The utility model discloses further set up to: each group of first connecting mechanism comprises a connecting frame fixedly connected to one side, far away from the portal frame, of the main tool apron, an insert block fixedly connected to one side, close to the portal frame, of the connecting frame and inserted into the connecting frame, and a plurality of groups of limiting assemblies arranged at the top of the connecting frame and used for limiting the insert block.

Through adopting above-mentioned technical scheme, when needs are installed the connecting plate, insert the link with the inserted block earlier in, then carry out spacingly to the inserted block through the spacing subassembly of multiunit to just accomplish the installation of connecting plate, easy operation, convenience like this.

The utility model discloses further set up to: each group of limiting assemblies comprises a bolt connected to the connecting frame in a sliding mode along the vertical direction, a stop block sleeved and fixed on the bolt, a first spring sleeved on the bolt and a jack arranged on one side of the inserting block; one end of the bolt penetrates through the connecting frame to be inserted into the jack, and the other end of the bolt is fixedly connected with a handle; and two ends of the first spring are fixedly connected to the stop block and the connecting frame respectively.

By adopting the technical scheme, when the insert block needs to be limited, the bolt is pulled by pulling the handle, the bolt moves to drive the stop block to move, the stop block moves to stretch the first spring, and the first spring is in a stretched state; then insert the inserted block in the link, then loosen the handle, the dog promotes the bolt and pegs graft with the jack under the effect of first spring this moment, carries on spacingly through spacing subassembly to the inserted block, can make the more stable of inserted block.

The utility model discloses further set up to: each group of second connecting mechanisms comprises a connecting cover fixedly connected with the shell of the spindle motor, a first T-shaped block fixedly connected to one side of the connecting cover close to the connecting plate, a first T-shaped groove formed in one side of the connecting plate and used for enabling the first T-shaped block to slide along the length direction of the connecting plate, a supporting plate connected to the connecting plate in a sliding mode along the length direction of the connecting plate, and a fixing assembly arranged on the connecting plate and used for fixing the supporting plate; the connecting component comprises a first bolt vertically connected with the supporting plate in a threaded manner, a first frustum-shaped inclined block fixedly connected to the bottom of the first bolt, a slot formed in the top of the connecting cover and two second inclined blocks connected into the slot in a sliding manner along the length direction of the slot; and one side of each second inclined block is fixedly connected with a second spring, and one end, far away from the second inclined block, of the second spring is fixedly connected to the inner wall of one end of the slot.

By adopting the technical scheme, when the connecting cover needs to be fixed, the first inclined block is driven to move towards the direction close to the slot by rotating the first bolt, so that the first inclined block is inserted into the slot; when the first inclined block enters the slot, the first bolt continues to rotate, the first inclined block pushes the second inclined block to move towards the end part close to the slot, the second inclined block moves to press the second spring, and the second inclined block presses the first inclined block tightly under the action of the second spring, so that the connecting cover is fixed more firmly; through setting up second coupling mechanism, be convenient for fix the connecting cover.

The utility model discloses further set up to: the fixing assembly comprises a second T-shaped block fixedly connected to one side of the supporting plate, a second T-shaped groove formed in one side of the connecting plate and used for enabling the second T-shaped block to slide along the length direction of the connecting plate, two cushion blocks respectively arranged on two sides of the supporting plate and two second bolts respectively penetrating through the two cushion blocks and horizontally arranged; and the two second bolts are respectively in threaded connection with two ends of the second T-shaped block.

Through adopting above-mentioned technical scheme, when needs are fixed the backup pad, screw up the second bolt, alright fix the backup pad on the connecting plate under the effect of cushion this moment, therefore can reduce operating personnel's intensity of labour.

The utility model discloses further set up to: the X-direction driving mechanism comprises two groups of driving components which are respectively arranged on two sides of the machine table, and each group of driving components comprises an X-direction driving motor which is horizontally arranged on one side of the portal frame, an X-direction gear which is arranged on an output shaft of the X-direction driving motor and an X-direction rack which is fixedly connected to one side of the machine table; the X-direction gear is meshed with the X-direction rack; x-direction guide rails are fixedly connected to two sides of the machine table, and two ends of the portal frame are connected to the two X-direction guide rails in a sliding mode along the length direction of the machine table respectively.

By adopting the technical scheme, when the portal frame needs to be driven to move along the X direction, the X direction gear is driven to rotate through the output shaft of the X direction driving motor, the X direction gear rotates to move towards the rack relative to the X direction gear, so that the portal frame is driven to move along the X direction, and the portal frame is driven to move along the X direction through the X direction driving mechanism, so that the movement of the portal frame is more stable.

The utility model discloses further set up to: each group of Y-direction driving mechanisms comprises a Y-direction rack fixedly connected to one side of the top of the gantry, a Y-direction driving motor vertically arranged on the base and a Y-direction gear fixedly connected to an output shaft of the Y-direction driving motor; the Y-direction gear is meshed with the Y-direction rack; and a Y-direction guide rail is fixedly connected to the portal frame, and the base is connected to the Y-direction guide rail in a sliding manner along the width direction of the machine table.

Through adopting above-mentioned technical scheme, when needs drive base along Y to removing, through Y to driving motor's output shaft drive Y to gear revolve, Y can be relative Y to rack movement to drive base along Y to remove, drive base along Y to actuating mechanism drive base along Y to remove, can make the more stable that the base removed.

The utility model discloses further set up to: each group of Z-direction driving mechanisms comprises a Z-direction driving motor vertically arranged at the top of the base, a lead screw rotatably connected to the base and a Z-direction guide rail fixedly connected to one side of the base; an output shaft of the Z-direction driving motor is vertically and downwards fixedly connected with the top of the lead screw; the lead screw is in threaded connection with the main tool apron; the Z-direction guide rail penetrates through one side, close to the base, of the main tool apron, and the main tool apron is connected to the Z-direction guide rail in a sliding mode along the vertical direction.

By adopting the technical scheme, when the main tool apron is required to be driven to move along the Z direction, the output shaft of the Z-direction driving motor drives the lead screw to rotate, and the lead screw rotates to drive the main tool apron to move along the Z direction; the main tool apron can move more stably by arranging the Z-direction driving mechanism; through setting up Z to the guide rail, can prevent that the lead screw from driving the rotation of main tool apron.

To sum up, the utility model discloses compare and have following beneficial effect in prior art:

1. the gantry is driven to move along the X direction by the X-direction driving mechanism, and the gantry moves along the X direction to drive the main cutter holder to move along the X direction; the base is driven to move along the Y direction by the Y-direction driving mechanism, and the base moves along the Y direction to drive the main cutter holder to move along the Y direction; the main tool apron is driven to move along the Z direction by the Z-direction driving mechanism, so that the main engraving tool realizes three-degree-of-freedom movement; the plate is placed on a machine table, and then the plurality of engraving tool handles are driven to rotate by the plurality of spindle motors, so that the plurality of engraving tools rotate, and a plurality of products can be conveniently engraved on the plate in batches;

2. when the plug block needs to be limited, the plug pin is pulled through the pulling handle, the plug pin moves to drive the stop block to move, the stop block moves to stretch the first spring, and the first spring is in a stretched state; then the insert block is inserted into the connecting frame, then the handle is loosened, the stop block pushes the plug pin to be inserted into the jack under the action of the first spring, and the limit component limits the insert block, so that the insert block is more stable;

3. when the connecting cover needs to be fixed, the first inclined block is driven to move towards the direction close to the slot by rotating the first bolt, so that the first inclined block is inserted into the slot; when the first inclined block enters the slot, the first bolt continues to rotate, the first inclined block pushes the second inclined block to move towards the end part close to the slot, the second inclined block moves to press the second spring, and the second inclined block presses the first inclined block tightly under the action of the second spring, so that the connecting cover is fixed more firmly; through setting up second coupling mechanism, be convenient for fix the connecting cover.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic diagram showing the structure of the Y-direction device in the embodiment;

FIG. 4 is a partial cross-sectional view of a highlighted receptacle of an embodiment;

FIG. 5 is a partial cross-sectional view of an embodiment of the highlighted connection assembly;

FIG. 6 is a schematic view showing the structure of the fastening assembly in the embodiment.

In the figure: 1. a machine platform; 2. an X-direction device; 21. a gantry; 22. an X-direction driving mechanism; 23. a drive assembly; 231. an X-direction driving motor; 232. an X-direction gear; 233. an X-direction rack; 24. an X-direction guide rail; 3. a Y-direction device; 31. a base; 32. a Y-direction driving mechanism; 321. a Y-direction rack; 322. a Y-direction driving motor; 323. a Y-direction gear; 33. a Y-direction guide rail; 4. a Z-direction device; 41. a main tool apron; 42. a Z-direction driving mechanism; 421. a Z-direction driving motor; 422. a lead screw; 423. a Z-direction guide rail; 43. a connecting plate; 44. a spindle motor; 45. engraving a cutter handle; 46. a graver; 5. a first connecting mechanism; 51. a connecting frame; 52. inserting a block; 53. a limiting component; 531. a bolt; 532. a stopper; 533. a first spring; 534. a jack; 535. a handle; 6. a second connecting mechanism; 61. a connecting cover; 62. a first T-shaped block; 63. a first T-shaped slot; 64. a support plate; 65. a connecting assembly; 651. a first bolt; 652. a first swash block; 653. a slot; 654. a second swash block; 655. a second spring; 7. a fixing assembly; 71. a second T-shaped block; 72. a second T-shaped slot; 73. cushion blocks; 74. and a second bolt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b): a numerical control engraving machine with double Z-axis and multi-spindle motors is shown in figure 1 and comprises a machine table 1, an X-direction device 2, a Y-direction device 3 and a Z-direction device 4; in this embodiment, the X direction refers to the length direction of the machine 1, the Y direction refers to the width direction of the machine 1, and the Z direction refers to the vertical direction.

As shown in fig. 1 and 2, the X-direction device 2 includes a gantry 21 connected to the machine table 1 in a sliding manner along the X-axis direction, and an X-direction driving mechanism 22 for driving the gantry 21 to move; the X-direction driving mechanism 22 comprises two groups of driving assemblies 23 respectively arranged at two sides of the machine table 1, each group of driving assemblies 23 comprises an X-direction driving motor 231 horizontally arranged at one side of the portal frame 21, an X-direction gear 232 which is arranged on an output shaft of the X-direction driving motor 231 through a belt transmission mechanism and is rotationally connected to one side of the portal frame 21 through a bearing, and an X-direction rack 233 fixedly connected to one side of the machine table 1; the X-direction gear 232 is meshed with the X-direction rack 233; both sides of the machine table 1 are fixedly connected with X-direction guide rails 24, and both ends of the gantry 21 are connected to the two X-direction guide rails 24 in a sliding manner along the length direction of the machine table 1. When the gantry 21 needs to be driven to move in the X direction, the output shaft of the X-direction driving motor 231 drives the X-direction gear 232 to rotate, the X-direction gear 232 rotates and can move relative to the X-direction rack 233, so that the gantry 21 is driven to move in the X direction, and the gantry 21 is driven to move in the X direction by the X-direction driving mechanism 22, so that the movement of the gantry 21 is more stable.

As shown in fig. 3, the Y-direction device 3 includes two bases 31 connected to the top of the gantry 21 in a sliding manner along the Y-axis direction, and two sets of Y-direction driving mechanisms 32 installed on the gantry 21 and respectively used for driving the two bases 31 to move; each group of Y-direction driving mechanisms 32 comprises a Y-direction rack 321 fixedly connected to one side of the top of the portal frame 21, a Y-direction driving motor 322 vertically arranged on the base 31 and a Y-direction gear 323 fixedly connected to an output shaft of the Y-direction driving motor 322; the Y-direction gear 323 is meshed with the Y-direction rack 321; the gantry 21 is provided with a Y-direction guide rail 33, and the base 31 is connected to the Y-direction guide rail 33 in a sliding manner in the width direction of the machine 1. When the base 31 needs to be driven to move in the Y direction, the Y-direction gear 323 is driven to rotate by the output shaft of the Y-direction drive motor 322, the Y-direction gear 323 can move relative to the Y-direction rack 321 by rotating, so that the base 31 is driven to move in the Y direction, and the base 31 is driven to move in the Y direction by the Y-direction drive mechanism 32, so that the movement of the base 31 can be more stable.

As shown in fig. 1 and 3, the Z-direction device 4 includes two main tool holders 41 slidably connected to the two bases 31 along the Z-axis direction, and two sets of Z-direction driving mechanisms 42 respectively mounted on the two bases 31 for driving the main tool holders 41 to move; each group of Z-direction driving mechanisms 42 comprises a Z-direction driving motor 421 vertically arranged at the top of the base 31, a lead screw 422 rotatably connected to the base 31, and a Z-direction rail 423 fixedly connected to one side of the base 31; an output shaft of the Z-direction driving motor 421 is vertically and downwards fixedly connected with the top of the screw 422; the screw 422 is in threaded connection with the main tool apron 41; the Z-guide 423 is disposed through one side of the main blade holder 41 close to the base 31, and the main blade holder 41 is slidably connected to the Z-guide 423 in the vertical direction. When the main tool apron 41 needs to be driven to move along the Z direction, the output shaft of the Z-direction driving motor 421 drives the lead screw 422 to rotate, and the lead screw 422 rotates to drive the main tool apron 41 to move along the Z direction; the main tool apron 41 can move more stably by arranging the Z-direction driving mechanism 42; through setting up Z to guide rail 423, can prevent that lead screw 422 from driving main blade holder 41 and rotate.

As shown in fig. 1 and 3, the Z-direction device 4 further includes two connecting plates 43 detachably connected to the two main tool holders 41, respectively, and a first connecting mechanism 5 for fixing the connecting plates 43 is installed on each main tool holder 41; each connecting plate 43 is detachably connected with a plurality of spindle motors 44, and each connecting plate 43 is provided with a plurality of groups of second connecting mechanisms 6 for fixing the spindle motors 44; an output shaft of each spindle motor 44 is provided with a carving tool shank 45, and the carving tool shank 45 is provided with a carving knife 46. By providing a plurality of engraving knives 46, it is convenient to engrave a plurality of products in batches from the sheet material.

As shown in fig. 3 and 4, each set of first connecting mechanisms 5 includes a connecting frame 51 fixedly connected to one side of the main tool apron 41 away from the gantry 21, an inserting block 52 fixedly connected to one side of the connecting frame 51 close to the gantry 21 and inserted into the connecting frame 51, and a plurality of sets of limiting assemblies 53 mounted on the top of the connecting frame 51 for limiting the inserting block 52. When the connecting plate 43 needs to be installed, the inserting block 52 is inserted into the connecting frame 51, and then the inserting block 52 is limited through the plurality of groups of limiting assemblies 53, so that the installation of the connecting plate 43 is completed, and the operation is simple and convenient.

As shown in fig. 4, each set of limiting assemblies 53 includes a pin 531 slidably connected to the connecting frame 51 along the vertical direction, a stopper 532 fixed to the pin 531 in a sleeved manner, a first spring 533 sleeved on the pin 531, and a jack 534 opened at one side of the insert block 52; one end of each bolt 531 penetrates through the connecting frame 51 to be inserted into the jack 534, the other end of each bolt is fixedly connected with a handle 535, and a connecting rod can be arranged between every two adjacent bolts 531; both ends of the first spring 533 are respectively fixed to the stopper 532 and the connecting frame 51. When the insert block 52 needs to be limited, the handle 535 is pulled to pull the bolt 531, the bolt 531 moves to drive the stopper 532 to move, the stopper 532 moves to stretch the first spring 533, and at this time, the first spring 533 is in a stretched state; then the plug 52 is inserted into the connecting frame 51, then the handle 535 is released, at this time, the stopper 532 pushes the pin 531 to be inserted into the inserting hole 534 under the action of the first spring 533, and the plug 52 is limited by the limiting component 53, so that the plug 52 is more stable.

As shown in fig. 4 and 5, each set of second connecting mechanisms 6 includes a connecting cover 61 fixedly connected to the housing of the spindle motor 44, a first T-shaped block 62 fixedly connected to one side of the connecting cover 61 close to the connecting plate 43, a first T-shaped slot 63 opened at one side of the connecting plate 43 for allowing the first T-shaped block 62 to slide along the length direction of the connecting plate 43, a supporting plate 64 slidably connected to the connecting plate 43 along the length direction of the connecting plate 43, and a fixing assembly 7 mounted on the connecting plate 43 for fixing the supporting plate 64; the supporting plate 64 is provided with a connecting assembly 65 for fixing the connecting cover 61, the connecting assembly 65 comprises a first bolt 651 vertically screwed to the supporting plate 64, a first truncated cone-shaped inclined block 652 fixedly connected to the bottom of the first bolt 651, a slot 653 arranged at the top of the connecting cover 61, and two second inclined blocks 654 connected in the slot 653 in a sliding manner along the length direction of the slot 653; one side of each second inclined block 654 is fixedly connected with a second spring 655, and one end of the second spring 655 far away from the second inclined block 654 is fixedly connected with the inner wall of one end of the slot 653. When the connecting cover 61 needs to be fixed, the first inclined block 652 is driven to move towards the direction close to the slot 653 by rotating the first bolt 651, so that the first inclined block 652 is inserted into the slot 653; after the first inclined block 652 enters the insertion groove 653, the first bolt 651 is continuously rotated, at this time, the first inclined block 652 pushes the second inclined block 654 to move towards the end close to the insertion groove 653, the second inclined block 654 moves to press against the second spring 655, and at this time, the second inclined block 654 presses the first inclined block 652 under the action of the second spring 655, so that the connecting cover 61 is fixed more firmly; by providing the second connecting mechanism 6, the connecting cover 61 is easily fixed.

As shown in fig. 4 and 6, the fixing assembly 7 includes a second T-shaped block 71 fixedly connected to one side of the supporting plate 64, a second T-shaped groove 72 provided at one side of the connecting plate 43 for the second T-shaped block 71 to slide along the length direction of the connecting plate 43, two cushion blocks 73 respectively provided at two sides of the supporting plate 64, and two second bolts 74 respectively penetrating through the two cushion blocks 73 and horizontally provided; two second bolts 74 are respectively screw-coupled to both ends of the second T-block 71. When the support plate 64 needs to be fixed, the second bolt 74 is tightened, and the support plate 64 can be fixed on the connecting plate 43 under the action of the cushion block 73, so that the labor intensity of an operator can be reduced.

The working principle of the numerical control engraving machine with the double Z-axis multi-spindle motor is as follows:

the gantry 21 is driven to move along the X direction by the X-direction driving mechanism 22, and the gantry 21 moves along the X direction to drive the main cutter holder 41 to move along the X direction; the base 31 is driven to move along the Y direction by the Y-direction driving mechanism 32, and the base 31 moves along the Y direction to drive the main cutter holder 41 to move along the Y direction; the main tool apron 41 is driven to move along the Z direction by the Z-direction driving mechanism 42, so that the main engraving tool 46 realizes three-degree-of-freedom movement; the plate is placed on the machine table 1, and then the plurality of engraving tool shanks 45 are driven to rotate by the plurality of spindle motors 44, so that the plurality of engraving tools 46 are rotated, thereby facilitating batch engraving of a plurality of products from the plate.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A numerical control engraving machine with double Z-axis and multi-spindle motors comprises a machine table (1), an X-direction device (2), a Y-direction device (3) and a Z-direction device (4); the X-direction device (2) comprises a portal frame (21) connected to the machine table (1) in a sliding mode along the X-axis direction and an X-direction driving mechanism (22) used for driving the portal frame (21) to move; the Y-direction device (3) comprises two bases (31) connected to the top of the portal frame (21) in a sliding manner along the Y-axis direction and two groups of Y-direction driving mechanisms (32) which are arranged on the portal frame (21) and are respectively used for driving the two bases (31) to move; z is including respectively following two main blade holders (41) of Z axle direction connection in two bases (31) and installing respectively in two bases (31) and being used for driving two sets of Z that main blade holder (41) removed to actuating mechanism (42), its characterized in that to device (4): the Z-direction device (4) further comprises two connecting plates (43) which are respectively detachably connected with the two main tool holders (41), and a first connecting mechanism (5) for fixing the connecting plates (43) is arranged on each main tool holder (41); each connecting plate (43) is detachably connected with a plurality of spindle motors (44), and each connecting plate (43) is provided with a plurality of groups of second connecting mechanisms (6) which are respectively used for fixing the spindle motors (44); an output shaft of each spindle motor (44) is provided with a carving knife handle (45), and each carving knife handle (45) is provided with a carving knife (46).

2. The numerical control engraving machine of the double-Z-axis multi-spindle motor as claimed in claim 1, characterized in that: each group of the first connecting mechanisms (5) comprises a connecting frame (51) fixedly connected to one side, far away from the portal frame (21), of the main tool apron (41), an inserting block (52) fixedly connected to one side, close to the portal frame (21), of the connecting frame (51) and inserted into the connecting frame (51), and a plurality of groups of limiting assemblies (53) arranged at the top of the connecting frame (51) and used for limiting the inserting block (52).

3. The numerical control engraving machine of the double-Z-axis multi-spindle motor as claimed in claim 2, characterized in that: each group of limiting assemblies (53) comprises a bolt (531) which is connected to the connecting frame (51) in a sliding mode along the vertical direction, a stop block (532) which is fixedly sleeved on the bolt (531), a first spring (533) which is sleeved on the bolt (531) and a jack (534) which is arranged on one side of the inserting block (52); one end of the bolt (531) penetrates through the connecting frame (51) to be inserted into the jack (534), and the other end of the bolt is fixedly connected with a handle (535); two ends of the first spring (533) are respectively and fixedly connected to the stop block (532) and the connecting frame (51).

4. The numerical control engraving machine of the double-Z-axis multi-spindle motor as claimed in claim 1, characterized in that: each group of second connecting mechanisms (6) comprises a connecting cover (61) fixedly connected with the shell of the spindle motor (44), a first T-shaped block (62) fixedly connected to one side, close to the connecting plate (43), of the connecting cover (61), a first T-shaped groove (63) formed in one side of the connecting plate (43) and used for enabling the first T-shaped block (62) to slide along the length direction of the connecting plate (43), a supporting plate (64) connected to the connecting plate (43) in a sliding mode along the length direction of the connecting plate (43), and a fixing assembly (7) installed on the connecting plate (43) and used for fixing the supporting plate (64); the connecting assembly (65) used for fixing the connecting cover (61) is mounted on the supporting plate (64), and the connecting assembly (65) comprises a first bolt (651) vertically connected to the supporting plate (64) in a threaded manner, a first truncated cone (652) fixedly connected to the bottom of the first bolt (651), a slot (653) formed in the top of the connecting cover (61) and two second inclined blocks (654) connected into the slot (653) in a sliding manner along the length direction of the slot (653); one side of each second inclined block (654) is fixedly connected with a second spring (655), and one end of each second spring (655) far away from the second inclined block (654) is fixedly connected with the inner wall of one end of the slot (653).

5. The numerical control engraving machine of the double-Z-axis multi-spindle motor as claimed in claim 4, characterized in that: the fixing assembly (7) comprises a second T-shaped block (71) fixedly connected to one side of the supporting plate (64), a second T-shaped groove (72) formed in one side of the connecting plate (43) and used for enabling the second T-shaped block (71) to slide along the length direction of the connecting plate (43), two cushion blocks (73) respectively arranged on two sides of the supporting plate (64) and two second bolts (74) respectively penetrating through the two cushion blocks (73) and horizontally arranged; the two second bolts (74) are respectively in threaded connection with two ends of the second T-shaped block (71).

6. The numerical control engraving machine of the double-Z-axis multi-spindle motor as claimed in claim 1, characterized in that: the X-direction driving mechanism (22) comprises two groups of driving components (23) which are respectively arranged on two sides of the machine table (1), and each group of driving components (23) comprises an X-direction driving motor (231) which is horizontally arranged on one side of the portal frame (21), an X-direction gear (232) which is arranged on an output shaft of the X-direction driving motor (231) and an X-direction rack (233) which is fixedly connected to one side of the machine table (1); the X-direction gear (232) is meshed with the X-direction rack (233); x-direction guide rails (24) are fixedly connected to two sides of the machine table (1), and two ends of the portal frame (21) are connected to the two X-direction guide rails (24) in a sliding mode along the length direction of the machine table (1) respectively.

7. The numerical control engraving machine of the double-Z-axis multi-spindle motor as claimed in claim 1, characterized in that: each group of Y-direction driving mechanisms (32) comprises a Y-direction rack (321) fixedly connected to one side of the top of the portal frame (21), a Y-direction driving motor (322) vertically arranged on the base (31) and a Y-direction gear (323) fixedly connected to an output shaft of the Y-direction driving motor (322); the Y-direction gear (323) is meshed with the Y-direction rack (321); the portal frame (21) is fixedly connected with a Y-direction guide rail (33), and the base (31) is connected to the Y-direction guide rail (33) in a sliding manner along the width direction of the machine table (1).

8. The numerical control engraving machine of the double-Z-axis multi-spindle motor as claimed in claim 1, characterized in that: each group of Z-direction driving mechanisms (42) comprises a Z-direction driving motor (421) vertically arranged at the top of the base (31), a lead screw (422) rotatably connected to the base (31) and a Z-direction guide rail (423) fixedly connected to one side of the base (31); an output shaft of the Z-direction driving motor (421) is vertically and downwards fixedly connected with the top of the lead screw (422); the lead screw (422) is in threaded connection with the main tool apron (41); the Z-direction guide rail (423) penetrates through one side, close to the base (31), of the main tool apron (41), and the main tool apron (41) is connected to the Z-direction guide rail (423) in a sliding mode along the vertical direction.