CN213225362U

CN213225362U - Carving machine of high-efficient accurate tool changing

Info

Publication number: CN213225362U
Application number: CN202021756012.4U
Authority: CN
Inventors: 杨朝迪; 万会雷
Original assignee: Qihe Dishuo Cnc Machinery Equipment Co ltd
Current assignee: Qihe Dishuo Cnc Machinery Equipment Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-05-18
Anticipated expiration: 2030-08-20

Abstract

The utility model belongs to the technical field of the engraver, a engraver of high-efficient accurate tool changing is disclosed, including the lathe bed, lathe bed both sides sliding connection has the side stand, and the side stand top is connected with the crossbeam, and crossbeam sliding connection has X axle slide, and X axle slide one side fixedly connected with Z axle motor, Z axle motor are connected with the lead screw, and the cooperation is connected with along the carving head that this lead screw reciprocated on the lead screw, and its characterized in that still includes the knife rest, and the knife rest setting is in the crossbeam below, and the knife rest still is connected with the actuating cylinder that drives that this knife rest of drive removed. The utility model has the advantages that the tool rest is arranged at the lower end of the beam and moves along with the movement of the beam, so that the engraving head and the tool can be completely aligned to take the tool, the positioning is accurate, and the tool can be efficiently changed; in addition, the plate positioning device has the advantages of accurate plate positioning, plate running prevention and good dustproof effect.

Description

Carving machine of high-efficient accurate tool changing

Technical Field

The utility model relates to an engraver technical field, concretely relates to engraver of high-efficient accurate tool changing.

Background

The automatic tool changing engraving machine is a large category of numerical control engraving machines and particularly represents the engraving machine equipment with the highest technology. The automatic tool changer is provided with an independent tool magazine, can automatically change the required tool in the process of machining the workpiece, and does not need to stop working. When complex patterns can be engraved, different cutters are selected, the working efficiency is greatly accelerated, and the product quality is improved. Automatic tool changing engravers are also the final trend in the development of numerically controlled engraver equipment.

However, the existing automatic tool changing engraving machine has the following problems when in use: (1) when a portal frame with an engraving head moves along a bed body, deflection may occur at two ends of the portal frame due to inconsistent movement (which is a common problem of the current gantry moving engraving machine), and a tool rest is fixed, so that when the portal frame deflects, the situation that the engraving head and a tool cannot be completely aligned to take the tool occurs, the positioning is not accurate, and efficient tool changing cannot be achieved; (2) when the plate is processed, the subsequent processing precision is directly influenced by the positioning precision of the plate, but the existing engraving machine has the problems of poor positioning precision and easy plate running; (3) the Y-axis slide rail is lack of a dustproof structure, so that dust in the machining process easily enters the Y-axis slide rail, the problem of unsmooth sliding is easily caused after the Y-axis slide rail is used for a long time, and the reliability of longitudinal movement is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the engraving machine capable of efficiently and accurately changing the tools is provided.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides an engraver of high-efficient accurate tool changing, including the lathe bed, lathe bed both sides sliding connection has the side stand, the side stand top is connected with the crossbeam, crossbeam sliding connection has X axle slide, X axle slide one side fixedly connected with Z axle motor, Z axle motor is connected with the lead screw, the cooperation is connected with along the carving head that this lead screw reciprocated on the lead screw, still includes the knife rest, the knife rest sets up in the crossbeam below, the knife rest still is connected with the actuating cylinder that drives that this knife rest of drive removed.

Preferably, still include the pinch roller, the bottom of pinch roller is connected with the lift cylinder, lift cylinder fixed connection be in on the side stand.

Preferably, the end of the pressing wheel is connected with a bearing seat, the bottom of the bearing seat is connected with the lifting cylinder, the lifting cylinder is fixedly connected to a cross arm, and one end of the cross arm is fixedly connected with the side upright.

Preferably, the number of the driving cylinders for driving the tool post is one.

Preferably, the number of the driving cylinders is two.

Preferably, the side column is connected with the lathe bed through a Y-axis slide rail, a dustproof baffle is further arranged above the Y-axis slide rail, and the dustproof baffle is connected to the lathe bed.

Preferably, the lathe bed is also provided with a positioning cylinder.

Preferably, the front side of lathe bed is provided with 2 location cylinder, the left side is provided with 4 location cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the tool rest is arranged at the lower end of the cross beam, the tool rest moves along with the movement of the cross beam, namely the tool rest and the cross beam can be regarded as a completely unified whole, even if the cross beam deflects, the tool rest can also deflect along with the cross beam, the relative position between the engraving head and the tool rest can not change, and when the tool rest extends out of the cross beam, the engraving head can still realize the accurate positioning of tool setting through transverse and vertical movement;

2. in addition, the tool rest is arranged at the lower end of the cross beam and moves along with the movement of the cross beam, when the engraving head needs to be changed after engraving by one of the tools, the driving cylinder can directly send the tool rest out of the lower part of the cross beam at the original engraving position, the engraving head can realize the replacement of the tools only through the adjustment of the X-axis direction and the Z-axis direction, then the tool rest is retracted to the lower part of the cross beam, the engraving head continues to engrave, the moving time of the cross beam along the Y-axis direction is saved, the tool changing time is greatly saved, and the working efficiency is improved;

3. by arranging the pressing wheel, on one hand, the lifting cylinder is utilized to drive the pressing wheel to compress the plate, so that the plate running problem can be effectively prevented, the stability of the plate in the processing process is ensured, and the processing quality is improved; on the other hand, the pressing wheel can move along with the side upright post, so that the pressing wheel can adapt to the pressing and positioning of plates with different sizes, and is flexible and convenient;

4. through setting up dustproof baffle, can effectively improve the leakproofness of Y axle slide rail, the dust that reduces as far as possible in the course of working gets into Y axle slide rail, guarantees longitudinal movement's reliability.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a front view of the structure of the present invention.

Fig. 2 is a side view of fig. 1.

Fig. 3 is an enlarged schematic view of a part of the structure of fig. 1.

Fig. 4 is an enlarged schematic view of the structure of the region a.

Description of reference numerals:

1. a bed body; 2. a side column; 3. a cross beam; 4. a machine leg; 5. a Y-axis slide rail; 6. a tool holder; 7. a knife handle; 8. positioning the air cylinder; 9. a pinch roller; 10. a bearing seat; 11. a lifting cylinder; 12. a cross arm; 13. a driving cylinder; 14. an X-axis motor; 15. a drive plate; 16. an X-axis slide plate; 17. a Z-axis motor; 18. a fixing plate; 19. an engraving head; 20. a dust hood; 21. a dust-proof baffle plate; 22. x-axis slide rail.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like 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 invention, and should not be construed as limiting the present invention.

Example one

As shown in fig. 1-3, the engraving machine with efficient and accurate tool changing provided by this embodiment includes a machine body 1, Y-axis slide rails 5 are disposed on two sides of the machine body 1, side columns 2 are slidably connected to two sides of the machine body 1 through the Y-axis slide rails 5, a beam 3 crossing the machine body 1 is connected above the side columns 2, the beam 3 is slidably connected to an X-axis slide plate 16 through X-axis slide rails 22, the X-axis slide plate 16 is fixedly connected to a drive plate 15, the drive plate 15 is disposed above the beam 3, an X-axis motor 14 is connected to the drive plate 15, and the X-axis motor 14 drives the X-axis slide plate 16 to slide left and right along the beam 3 through a rack-and-pinion mechanism. A Z-axis motor 17 is fixedly connected to one side of the X-axis sliding plate 16, the Z-axis motor 17 is connected with a lead screw, a lead screw nut is arranged on the lead screw in a matching mode, the lead screw nut is connected with a fixing plate 18, an engraving head 19 is connected to the surface of the fixing plate 18, and a Z-axis sliding rail (not shown in a conventional structure diagram) is arranged on the X-axis sliding plate 16 and plays a limiting role, so that the engraving head 19 can only slide up and down under the driving of the Z-axis motor 17.

The device also comprises a tool rest 6, wherein the tool rest 6 is arranged below the cross beam 3, and the tool rest 6 is also connected with a driving cylinder 13 for driving the tool rest 6 to move. A plurality of tool shanks 7 are arranged on the tool rest 6, and the tool shanks 7 are connected with a main shaft of the engraving head 19; the number of the knife handles 7 is 12, so that the diversification of the processing requirements can be improved.

The tool holder 6 can be connected with the cross beam 3 in a sliding way through a tool holder 6 sliding rail (the conventional structure is not shown); in order to ensure the smoothness of the sliding of the tool rest 6, two driving cylinders 13 can be arranged and are respectively arranged at two ends of the tool rest 6; the number of driving cylinders 13 may also be one for cost saving.

The working principle is as follows: the tool rest 6 is arranged at the lower end of the cross beam 3, the tool rest 6 moves along with the movement of the cross beam 3, namely the tool rest 6 and the cross beam 3 can be regarded as a completely unified whole, even if the cross beam 3 deflects, the tool rest 6 also deflects along with the cross beam 3, the relative position between the engraving head 19 and the tool rest 6 cannot be changed, and when the tool rest 6 extends out of the cross beam 3, the engraving head 19 can still realize the accurate positioning of tool setting through the movement in the X axial direction and the Y axial direction.

Example two

On the basis of the first embodiment, the plate lifting device further comprises two press wheels 9, wherein the number of the press wheels 9 can be two, when the plate lifting device is used, a plate is placed between the press wheels 9 and the machine body 1, the bottom of the press wheels 9 is connected with a lifting cylinder 11, and the lifting cylinder 11 is fixedly connected to the side stand column 2.

In order to facilitate disassembly and assembly, the end part of the pinch roller 9 is connected with a bearing seat 10, the bottom of the bearing seat 10 is connected with a lifting cylinder 11, the lifting cylinder 11 is fixedly connected to a cross arm 12, and one end of the cross arm 12 is in threaded connection with the fixed phase of the side upright post 2.

By arranging the pressing wheel 9, on one hand, the lifting cylinder 11 is utilized to drive the pressing wheel 9 to compress the plate, so that the plate running problem can be effectively prevented, the stability of the plate in the processing process is ensured, and the processing quality is improved; on the other hand pinch roller 9 can remove along with side stand 2, and the location that compresses tightly of adaptable not equidimension panel like this is nimble convenient, guarantees that panel location is accurate at the tool changing in-process, prevents to shift, influences processingquality.

The specific working process is as follows:

when the device is used, the device is connected with a controller (not shown in the figure) to form a numerical control device, when tool changing is needed, the controller controls a lifting cylinder 11 to drive a pressing wheel 9 to press down, a plate is pressed tightly, then the controller controls a driving cylinder 13 to eject a tool rest 6 from the bottom of a cross beam 3, the tool rest 6 extends into the lower part of an engraving head 19, a tool shank 7 connected with a main shaft of the engraving head 19 is clamped into an empty position of the tool rest 6, the tool shank 7 is separated from the main shaft, and tool placing action is completed; then the controller controls the Z-axis motor 17 to move, the engraving head 19 moves upwards until the engraving head moves to a specified height, then the controller controls the X-axis motor 14 to work, the engraving head 19 is driven to move left or right and moves right to be right above the other knife handle 7, then the controller controls the Z-axis motor 17 to move again, the engraving head 19 moves downwards, the knife taking action is completed, after the replacement is completed, the controller controls the driving cylinder 13 to work, the knife rest 6 retracts to the lower side of the cross beam 3, the lifting cylinder 11 is controlled to lift the pressing wheel 9, the pressing on the plate is released, meanwhile, the Z-axis motor 17 is controlled to work, the engraving head 19 is driven to move upwards, and therefore a knife changing process is completed.

EXAMPLE III

As shown in fig. 4, the other structures of the engraving machine with efficient and accurate tool changing proposed in this embodiment are the same as those of the first embodiment, except that in this embodiment, a dust-proof baffle 21 is further disposed above the Y-axis slide rail 5, and the dust-proof baffle 21 is connected to the bed 1. Through setting up dust guard 21, can effectively improve Y axle slide rail 5's leakproofness, the dust that minimizes in the course of working gets into Y axle slide rail 5, guarantees longitudinal movement's reliability.

Example four

On the basis of the third embodiment, the lathe bed 1 is also provided with a positioning cylinder 8 for positioning the plate; the specific setting mode is that the front side of the lathe bed 1 is provided with a positioning cylinder 8, and the left side is provided with a positioning cylinder 8; when processing, the positioning cylinder 8 acts on the plate, so that the parallelism and the verticality of the plate and the lathe bed 1 are kept consistent, and the processing precision is ensured. In addition, the engraving head 19 is provided with a dust cover 20, the dust cover 20 is connected with a dust absorption fan, dust and sawdust can be effectively absorbed in the machining process, the working environment is clean, and the environment protection and the practicability are realized.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The carving machine capable of efficiently and accurately changing the tool comprises a machine body, wherein side upright posts are connected to two sides of the machine body in a sliding mode, a cross beam is connected to the upper portions of the side upright posts, an X-axis sliding plate is connected to the cross beam in a sliding mode, a Z-axis motor is fixedly connected to one side of the X-axis sliding plate, the Z-axis motor is connected with a lead screw, and a carving head moving up and down along the lead screw is connected to the lead screw in a matching mode; still include the pinch roller, the bottom of pinch roller is connected with the lift cylinder, lift cylinder fixed connection be in on the side stand.

2. The engraving machine with efficient and accurate tool changing as claimed in claim 1, wherein a bearing seat is connected to the end of the pressing wheel, the lifting cylinder is connected to the bottom of the bearing seat, the lifting cylinder is fixedly connected to a cross arm, and one end of the cross arm is fixedly connected to the side column.

3. An efficient and accurate tool-changing engraving machine as claimed in claim 1, characterized in that the number of the driving cylinders for driving the tool post is one.

4. An efficient and accurate tool changing engraving machine as claimed in claim 1, characterized in that the number of the driving cylinders is two.

5. The engraving machine with efficient and accurate tool changing as claimed in claim 1, wherein the side column is connected with the lathe bed through a Y-axis slide rail, a dustproof baffle is further arranged above the Y-axis slide rail, and the dustproof baffle is connected to the lathe bed.

6. An efficient and accurate tool changing engraving machine as claimed in claim 1, characterized in that the machine body is further provided with a positioning cylinder.

7. An efficient and accurate tool changing engraving machine as claimed in claim 6, characterized in that the front side of the machine body is provided with 2 positioning cylinders, and the left side is provided with 4 positioning cylinders.