Numerical control machine tool with retractable cutter

Abstract

The utility model relates to the technical field of numerical control machine tools, and discloses a tool-contractible numerical control machine tool which comprises a shell and a tool apron, a sliding rail is fixedly connected inside the shell, a sliding seat is slidably connected outside the sliding rail, a mounting seat is fixedly connected to the top of the sliding seat, a plurality of inclined blocks are fixedly connected inside the mounting seat, and the inclined blocks are fixedly connected inside the shell. The device comprises a mounting base, a sliding disc is slidably connected to the interior of the mounting base, two guide pipes are fixedly connected to the interior of the sliding disc, clamping rings are slidably connected to the exteriors of the guide pipes, the exteriors of the guide pipes are sleeved with first springs, and hydraulic rods are fixedly connected to the interior of the mounting base. The hydraulic rod is started to drive the sliding disc to slide towards the right side, so that the exteriors of the two clamping ring tool aprons are separated, at the moment, a tool is used for pushing the tool aprons and the tools to slide towards the right side in the sliding disc, contraction is completed, contraction can be conducted after detachment, the tools can be conveniently and rapidly replaced, and the service life of equipment is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control machine tool technical field especially relates to a numerical control machine tool of tool retractable. BACKGROUND

[0002] Numerical control machine tool is a kind of automation machine tool equipped with program control system, it is through the numerical instruction of digit, character and symbol to realize the control to machine tool. Before processing, technician will write numerical control program according to the shape, size, processing technology etc. of part. This program contains a series of instructions such as tool movement trajectory, cutting parameters. When program is input to the control system of numerical control machine tool, control system will interpret and operate these instructions, then drive servo motor on each coordinate axis of machine tool, make tool and workpiece according to the predetermined trajectory and parameter relative movement, to accurately process the required part. After processing, operator accidentally touches the high-temperature tool of processing completion, the operator's body is damaged, so retractable tool can improve equipment safety.

[0003] The tool retraction in traditional technology is mainly through the way of air pressure, when compressed air enters the rodless cavity of cylinder, piston pushes piston rod to extend under the action of air pressure, thereby driving the tool connected with piston rod to extend;Conversely, when the rodless cavity exhausts, the rod cavity admits air, the piston drives the piston rod to retract, and the tool retracts.

[0004] But in the prior art, the tool of this retraction mode is usually fixed, in the processing, the tool is often damaged by abrasion, inconvenient to replace, causing the service life of equipment to be shortened, therefore a numerical control machine tool with retractable tool is proposed to solve the above problems. Utility model content

[0005] In order to make up for the above shortcomings, the utility model provides a numerical control machine tool with retractable tool, to improve the problem of inconvenient replacement of tool in prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A numerical control machine tool with retractable tool, comprising a shell and a tool holder, the inside of the shell is fixedly connected with a slide rail, the outside of the slide rail is slidably connected with a sliding seat, the top of the sliding seat is fixedly connected with a mounting seat, the inside of the mounting seat is fixedly connected with a plurality of inclined blocks, the inside of the mounting seat is slidably connected with a sliding disc, the inside of the sliding disc is fixedly connected with two guide pipes, the outside of the guide pipe is slidably connected with a snap ring, the outside of the guide pipe is provided with a spring one, the inside of the mounting seat is fixedly connected with a hydraulic rod, the inside of the shell is fixedly connected with a clamp seat, the inside of the clamp seat is provided with a clamping assembly for fixing raw materials.

[0008] As a further description of the above technical solutions:

[0009] The outer part of the two clamping rings is clamped with the outer part of the tool seat, and the inner part of the tool seat is rotationally connected with a tool.

[0010] As a further description of the above technical solutions:

[0011] The driving end of the hydraulic rod is fixedly connected to the rear side of the sliding disc, one end of the spring one is fixedly connected to the outer part of the spring one, and the other end of the spring one is fixedly connected to the inner part of the sliding disc.

[0012] As a further description of the above technical solutions:

[0013] The clamping assembly comprises a clamp seat, the outer part of the clamp seat is fixedly connected to the inner part of the shell, the inner part of the clamp seat is fixedly connected with a containing cylinder, the inner part of the containing cylinder is slidably connected with a plurality of clamping pieces, the outer side of the plurality of clamping pieces is fixedly connected with a plurality of extrusion rods, the outer part of the clamping piece is sleeved with a spring two, and the inner part of the clamp seat is provided with a sliding assembly for automatic discharging.

[0014] As a further description of the above technical solutions:

[0015] The inner part of the clamp seat is fixedly connected with an electric push rod, and the driving end of the electric push rod is fixedly connected with a sliding ring.

[0016] As a further description of the above technical solutions:

[0017] The outer part of the sliding ring is slidably connected to the outer part of the containing cylinder, and the inner part of the sliding ring is in contact with the inner part of the plurality of extrusion rods.

[0018] As a further description of the above technical solutions:

[0019] The sliding assembly comprises a gear, the outer part of the gear is rotationally connected to the inner part of the containing cylinder, and the outer part of the gear is engaged with the bottom part of the tooth rod.

[0020] As a further description of the above technical solutions:

[0021] The driving end top of the electric push rod is fixedly connected with a gear rack, and the outer part of the gear rack is engaged with the outer part of the gear.

[0022] The utility model has the advantages of:

[0023] 1. In the utility model, the sliding disk is driven to slide to the right by starting the hydraulic rod, thereby losing the squeezing force of the inclined block on the retaining ring. The two retaining rings are driven to move to the far side by the reaction of spring 1 and are separated from the outside of the tool holder. At this time, the tool is used to push the tool holder and the tool to slide to the right inside the sliding disk to complete the contraction. This retraction after detachment is convenient for quick replacement of tools and extends the service life of the equipment.

[0024] 2. In the utility model, the rack is driven to slide by the retraction of the driving end of the electric push rod, thereby driving the gear to rotate, driving the rack to slide in the opposite direction to push the workpiece to complete the automatic unloading operation, which can effectively improve the continuity and automation of production, enable the machine tool to be more efficiently put into the processing process of the next workpiece, and significantly improve the overall processing efficiency and production benefits of the CNC machine tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A three-dimensional diagram of a CNC machine tool with retractable tool proposed in the present invention;

[0026] Figure 2 This is a schematic diagram of the shell structure of a CNC machine tool with retractable tool proposed by the utility model;

[0027] Figure 3 This is a schematic diagram of the structure of a mounting base for a CNC machine tool with a retractable tool proposed in the present invention;

[0028] Figure 4 This is a schematic diagram of the structure of a sliding disk of a CNC machine tool with retractable tool proposed by the present invention;

[0029] Figure 5 The utility model is a schematic diagram of the structure of a accommodating cylinder of a CNC machine tool with retractable tool.

[0030] Legend:

[0031] 1. Housing; 2. Slide rail; 3. Sliding seat; 4. Mounting seat; 5. Bevel block; 6. Hydraulic rod; 7. Sliding plate; 8. Snap ring; 9. Conduit; 10. Spring 1; 11. Tool holder; 12. Tool; 13. Clamp seat; 14. Accommodating cylinder; 15. Electric push rod; 16. Sliding ring; 17. Extrusion rod; 18. Clamp; 19. Spring 2; 20. Rack; 21. Gear; 22. Gear rod. DETAILED DESCRIPTION

[0032] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0033] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Figures 1 to 3 The utility model provides a kind of numerical control machine tool of tool retractable, including shell 1 and tool holder 11, shell 1 is made of high-strength alloy steel material, its shape is cuboid, with good rigidity and stability, can provide firm support and protection for each component inside machine tool, the inside fixed connection of shell 1 has slide rail 2, slide rail 2 is made of parallel track by precision grinding processing, surface is smooth and has very high straightness, ensure that subsequent structure can smoothly, accurately slide on it, provide basic guarantee for the accurate movement of tool 12.The outside sliding connection of slide rail 2 has sliding seat 3, sliding seat 3 is overall block structure, its bottom is compatible with slide rail 2, motion is controlled by electrode connection with control system, the top of sliding seat 3 is fixedly connected with mounting seat 4, mounting seat 4 is used to provide installation basis for internal fixed assembly, the inside fixed connection of mounting seat 4 has multiple inclined blocks 5, inclined block 5 can ingeniously convert horizontal force into vertical component force, fixed or separate tool holder 11, the inside sliding connection of mounting seat 4 has sliding disc 7, sliding disc 7 is cylindrical, and the space for accommodating tool 12 retraction is arranged in the inside, the inside fixed connection of sliding disc 7 has two pipes 9, pipe 9 is used to provide guidance for the sliding of subsequent structure, the outside sliding connection of pipe 9 has snap ring 8, snap ring 8 is made of stainless steel metal, shape is consistent with the recess outside tool holder 11, tool holder 11 is fixed by clamping, the outside of pipe 9 is equipped with spring one 10, spring one 10 is used to provide reaction force, drive snap ring 8 reset, separate from tool holder 11, convenient for retraction, the inside fixed connection of mounting seat 4 has hydraulic rod 6, hydraulic rod 6 is used to drive sliding disc 7 to slide, thereby drive the contact of snap ring 8 and inclined block 5 to separate, lose the extrusion force of snap ring 8, the inside fixed connection of shell 1 has clamp seat 13, clamp seat 13 is used to fix workpiece in the inside of shell 1, and carry out accurate machining, the inside of clamp seat 13 is provided with clamping assembly for fixing raw material.

[0034] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Figures 3 to 4, the outer part of the two clamping rings 8 is clamped with the outer part of the tool seat 11, the clamping ring 8 is a circular ring, the outer circumferential surface is processed with uniformly distributed clamping grooves, the shape of the clamping groove is matched with the clamping teeth of the outer part of the tool seat 11, the clamping groove has a certain depth and width, and can firmly clamp the tool seat 11, the inner part of the tool seat 11 is rotatably connected with the tool 12, the shape and structure of the tool 12 are designed variously according to different processing process requirements, the driving end of the hydraulic rod 6 is fixedly connected to the rear side of the sliding disc 7, the sliding disc 7 is driven to slide through the hydraulic rod 6, one end of the spring 10 is fixedly connected to the outer part of the spring 10, the other end of the spring 10 is fixedly connected to the inner part of the sliding disc 7, and the spring 10 is used to drive the clamping ring 8 to reset and separate from the tool seat 11.

[0035] Referring to Figure 5 , the clamping assembly comprises a clamp seat 13, the outer part of the clamp seat 13 is fixedly connected to the inner part of the shell 1, the clamp seat 13 serves as a basic support structure of the entire clamping assembly, the inner part of the clamp seat 13 is fixedly connected with a containing cylinder 14, the containing cylinder 14 is used to contain a workpiece and fix it inside, the inner part of the containing cylinder 14 is slidably connected with a plurality of clamping pieces 18, the clamping piece 18 is a block structure and is fixed by contact extrusion with the outer part of the workpiece, the inner part of the containing cylinder 14 is slidably connected with a gear rod 22, the gear rod 22 is used to subsequently receive subsequent power and push the workpiece to automatically discharge, the outer side of the plurality of clamping pieces 18 is fixedly connected with an extrusion rod 17, the extrusion rod 17 is in a cylindrical shape, the head part is chamfered, and sliding is generated by contact extrusion, the outer part of the clamping piece 18 is sleeved with a spring 19, the spring 19 is used to drive the clamping piece 18 to slide and reset to release the fixation, the inner part of the clamp seat 13 is provided with a sliding assembly for automatic discharging, the inner part of the clamp seat 13 is fixedly connected with an electric push rod 15, the electric push rod 15 is used to provide power for the clamping assembly, the driving end of the electric push rod 15 is fixedly connected with a sliding ring 16, the inner part of the sliding ring 16 is chamfered and in contact with the extrusion rod 17, the outer part of the sliding ring 16 is slidably connected to the outer part of the containing cylinder 14, and the sliding ring 16 slides to realize the effect of fixation or loosening, and the inner part of the sliding ring 16 is in contact with the inner part of the plurality of extrusion rods 17.

[0036] Referring to Figure 5 , the sliding assembly comprises a gear 21, the outer part of the gear 21 is rotatably connected to the inner part of the containing cylinder 14, the gear 21 serves as a power transmission structure and can also change the direction of force when rotating, the outer part of the gear 21 is engaged with the bottom part of the gear rod 22, the gear rod 22 is driven to slide by the rotation of the gear 21, and the workpiece is pushed to slide and discharge, the driving end top of the electric push rod 15 is fixedly connected with a gear rack 20, the outer part of the gear rack 20 is engaged with the outer part of the gear 21, the gear rod 22 is driven to slide by the extension of the electric push rod 15, and the gear rod 22 is reversely slid and the workpiece is discharged when the electric push rod 15 is retracted.

[0037] Working principle: first, the staff after closing the equipment, through the start of the hydraulic rod 6 power switch drive sliding disc 7 to the right side sliding, thereby losing the inclined block 5 to the clamping ring 8 extrusion force, two clamping ring 8 by spring 10 of the reaction drive to the far side movement, with the external separation of tool holder 11, 12 at this time in the use of tools to push tool holder 11 and tool 12 to the right side sliding in the sliding disc 7 inside, complete contraction, retractable tool 12 avoids the operator after the use of the next step operation, improve the safety of the equipment, and through this can be split after the contraction, also facilitate quick tool 12 replacement, prolong the service life of the equipment.

[0038] Secondly, while using the tool 12 of numerical control machine tool to process workpiece, usually need to fix workpiece, at this time the workpiece is inserted into the inside of containing cylinder 14, through the drive end of electric push rod 15 extension drive sliding ring 16 to produce sliding, push multiple extrusion rod 17 to the side of the slide, in turn through the clamping piece 18 fixed outside workpiece, at the same time after processing is completed through the drive end of electric push rod 15 retraction drive rack 20 sliding, thereby drive gear 21 produce rotation, drive rack 22 produce reverse sliding push workpiece to complete automatic unloading operation, the whole unloading process is smooth and accurate, can effectively improve the continuity and automation degree of production, make machine tool can be more efficiently put into the next workpiece processing process, significantly improve the overall machining efficiency and production efficiency of numerical control machine tool.

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the person skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A numerically controlled machine tool with retractable tools, comprising a housing (1) and a tool holder (11), characterized in that: The inside of the shell (1) is fixedly connected with a slide rail (2), the outside of the slide rail (2) is slidably connected with a sliding seat (3), the top of the sliding seat (3) is fixedly connected with a mounting seat (4), the inside of the mounting seat (4) is fixedly connected with a plurality of inclined blocks (5), the inside of the mounting seat (4) is slidably connected with a sliding disc (7), the inside of the sliding disc (7) is fixedly connected with two guide pipes (9), the outside of the guide pipe (9) is slidably connected with a snap ring (8), the outside of the guide pipe (9) is sleeved with a spring (10), the inside of the mounting seat (4) is fixedly connected with a hydraulic rod (6), the inside of the shell (1) is fixedly connected with a clamp seat (13), the inside of the clamp seat (13) is provided with a clamping assembly for fixing raw materials.

2. A CNC machine with retractable tool according to claim 1, characterized in that: The outside of the two snap rings (8) is clamped with the outside of the tool holder (11), and the inside of the tool holder (11) is rotatably connected with a tool (12).

3. A CNC machine tool with retractable tool according to claim 1, characterized in that: The driving end of the hydraulic rod (6) is fixedly connected to the rear side of the sliding disc (7), one end of the spring (10) is fixedly connected to the outside of the spring (10), and the other end of the spring (10) is fixedly connected to the inside of the sliding disc (7).

4. A CNC machine tool with retractable tool according to claim 1, characterized in that: The clamping assembly comprises a clamp seat (13), the outside of the clamp seat (13) is fixedly connected to the inside of the shell (1), the inside of the clamp seat (13) is fixedly connected with a containing cylinder (14), the inside of the containing cylinder (14) is slidably connected with a plurality of clamping pieces (18), the inside of the containing cylinder (14) is slidably connected with a tooth rod (22), the outside of the plurality of clamping pieces (18) is fixedly connected with an extrusion rod (17), the outside of the clamping piece (18) is sleeved with a spring (19), and the inside of the clamp seat (13) is provided with a sliding assembly for automatic discharging.

5. A numerically controlled machine tool with retractable tools according to claim 4, characterized in that: The inside of the clamp seat (13) is fixedly connected with an electric push rod (15), and the driving end of the electric push rod (15) is fixedly connected with a sliding ring (16).

6. A numerically controlled machine tool with retractable tool according to claim 5, characterized in that: The outside of the sliding ring (16) is slidably connected to the outside of the containing cylinder (14), and the inside of the sliding ring (16) is in contact with the inside of the plurality of extrusion rods (17).

7. A numerically controlled machine tool with retractable tool according to claim 5, characterized in that: The sliding assembly comprises a gear (21), the outside of the gear (21) is rotatably connected to the inside of the containing cylinder (14), and the outside of the gear (21) is engaged with the bottom of the tooth rod (22).

8. A numerically controlled machine tool with retractable tool according to claim 7, characterized in that: The driving end top of the electric push rod (15) is fixedly connected with a rack (20), and the outside of the rack (20) is engaged with the outside of the gear (21).

Images