CN214868961U

CN214868961U - Numerical control machining center tool changing device for metal parts

Info

Publication number: CN214868961U
Application number: CN202120108494.0U
Authority: CN
Inventors: 蔡俊腾
Original assignee: Xiamen Shengjunyuan Technology Co ltd
Current assignee: Xiamen Shengjunyuan Technology Co ltd
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-11-26
Anticipated expiration: 2031-01-15

Abstract

The utility model discloses a tool changer of a metal part numerical control machining center, which belongs to the technical field of numerical control machining and comprises a frame, a fixed base, a main spindle box, a transverse slide rail, a horizontal slide rail and a working table plate, wherein a guide slide rail is arranged between the frame and the fixed base, the guide slide rail is connected with the tool changer in a sliding way, the tool changer is driven by a sliding air cylinder, the tool changer comprises a bottom column and two stand columns arranged on the bottom column, the upper end and the lower end of each stand column are connected with a top plate and a bottom plate, a sliding block is connected between the top plate and the bottom plate in a sliding way, the sliding block is connected with a rotating shaft, one end of the rotating shaft passes through the sliding block and is connected with a tool rest, the tool rest is provided with a plurality of tool holes, the surface of the tool holes is provided with a layer of electromagnet, the electromagnet is connected with a power supply, the tool rest is driven by a driving device, the utility model discloses can simply accomplish the change process of whole cutter, have labour saving and time saving, and improve production efficiency's advantage.

Description

Numerical control machining center tool changing device for metal parts

Technical Field

The utility model relates to a numerical control processing technology field specifically is a metalwork numerical control machining center tool changing device.

Background

The numerical control machining center is a high-efficiency automatic machine tool which consists of mechanical equipment and a numerical control system and is suitable for machining complex parts, and functions of milling, boring, drilling, tapping, cutting threads and the like are integrated on one equipment, so that the numerical control machining center has multiple technological means.

The traditional numerical control machining center generally needs manual work to change tools, so that the labor intensity of operators is increased, the production efficiency is not reduced, and the production process is not influenced.

Therefore, a person skilled in the relevant technical field improves this, for example, a "numerical control machining center automatic tool changer" proposed by chinese patent publication No. CN209954284U includes an equipment rack, a receiving cavity is formed at an upper end of the equipment rack, a spindle box is movably installed in the receiving cavity, a vertical slide rail is movably installed at an outer side of the spindle box, a fixed base is fixedly installed at a left side of the equipment rack, a transverse slide rail is movably installed at an upper end of the fixed base, a driving motor is fixedly installed at an outer side of the fixed base, a horizontal slide rail is movably installed at an upper end of the transverse slide rail, a moving rail is fixedly installed at an upper end of the horizontal slide rail, a driving rotating shaft is movably installed in a middle of the moving rail, a working table plate is movably installed at an upper end of the driving rotating shaft, and a positioning through groove is formed on the working table plate, though the utility model discloses an automatic tool changer can satisfy uses manpower sparingly, reduces operating personnel's working strength, improves production efficiency's characteristics.

Nevertheless technical scheme in this application file still exists not enoughly, like this utility model before using, need through the cylinder with the knife rest jack-up of depositing in the protection box, rethread support frame and connecting rod back-up the protective cover, just can carry out the tool changing process, whole operation process is comparatively complicated, consumes time longer, influences the production progress easily.

Based on this, the utility model designs a metalwork numerical control machining center tool changing device to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a metalwork numerical control machining center tool changing device to solve above-mentioned technical problem.

In order to achieve the above object, the utility model provides a following technical scheme: a tool changer of a metal part numerical control machining center comprises a rack, a fixed base, a spindle box, a transverse sliding rail, a horizontal sliding rail and a working table plate, wherein a pair of guide sliding rails are arranged between the rack and the fixed base along the direction of the horizontal sliding rail, the guide sliding rails are connected with a tool changer in a sliding manner, the tool changer is driven by a sliding air cylinder to slide towards the direction close to or away from the spindle box, the tool changer comprises a bottom column connected on the guide sliding rail in a sliding manner and two stand columns arranged on the bottom column, the upper end and the lower end of each stand column are respectively connected with a top plate and a bottom plate, a sliding block is connected between the top plate and the bottom plate in a sliding manner, a rotating shaft is rotatably connected on the sliding block, one end of the rotating shaft penetrates through the sliding block and is connected with a tool holder, a plurality of tool holes for placing tools are arranged on the tool holder, and the initial states of the plurality of tool holes face down, and the surface of the knife holder is provided with a layer of electromagnet, the electromagnet is connected with a power supply, when the knife holder is electrified, the electromagnet sucks the knife, and the knife holder is driven by a driving device to perform reciprocating motion along the vertical direction and self rotating motion.

Preferably, the driving device comprises a gear rotatably connected to the other end of the rotating shaft and a vertical cylinder for driving the sliding block to slide along the vertical direction, the gear is meshed with a steering rack, and the steering rack is fixedly connected to the stand column.

Preferably, two baffles are arranged on two sides of each upright post, and sliding grooves for the rotating shaft to pass through are formed in the two baffles.

Preferably, two guide rods are arranged between the top plate and the bottom plate, and guide holes for the two guide rods to pass through are arranged on the sliding block in a penetrating manner.

Preferably, a knife protection plate is arranged on one side, close to the spindle box, of the knife rest.

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

when the utility model is used, a workpiece to be processed is firstly placed on the working table plate for installation and fixation, the power supply connected with the electromagnet is in a power-on state, the cutter on the knife rest is attracted by the electromagnet, when a tool needs to be changed, the sliding cylinder is started, the tool changing device slides in the direction close to the spindle box under the driving of the sliding cylinder until the tool setting frame is positioned under the spindle box, the driving device is started, the tool setting frame slides in the vertical upward direction under the driving of the driving device, and performs self-rotation movement to enable the knife hole on the knife rest to face upwards, and then the power supply connected with the electromagnet is disconnected, at this time, the attraction of the electromagnet to the cutter disappears, and then the cutter on the opposite cutter frame of the spindle box is replaced, the replacement process of the cutter can be completed, the whole cutter replacement process is simple and convenient, time and labor are saved, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic structural view showing the working state of the tool changer in this embodiment;

FIG. 3 is a schematic structural diagram of the highlighting driving device of the present embodiment;

FIG. 4 is a schematic structural diagram of a salient sliding block of the present embodiment;

FIG. 5 is a schematic view showing the structure of the electromagnet according to this embodiment.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a frame; 2. a fixed base; 3. a main spindle box; 4. a transverse slide rail; 5. a horizontal slide rail; 6. a guide slide rail; 7. a tool changing device; 8. a slipping cylinder; 9. a drive device; 91. a gear; 92. a vertical cylinder; 93. a steering rack; 10. a bottom pillar; 11. a column; 12. a top plate; 13. a base plate; 14. a sliding block; 15. a rotating shaft; 16. arranging a tool rest; 17. a knife hole; 18. an electromagnet; 19. a guide bar; 20. a guide hole; 21. a baffle plate; 22. a chute; 23. a knife protecting plate; 24. a work table; 25. and connecting the bracket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a tool changer of a metal part numerical control machining center comprises a machine frame 1, a fixed base 2 arranged on one side of the machine frame 1, a spindle box 3 arranged on the machine frame 1, a transverse slide rail 4, a horizontal slide rail 5 and a working table plate 24 which are respectively arranged on the fixed base 2, a pair of guide slide rails 6 are arranged between the machine frame 1 and the fixed base 2 along the direction of the horizontal slide rail 5, a tool changer 7 is connected on the guide slide rails 6 in a sliding way, the tool changer 7 is driven by a sliding air cylinder 8 to slide towards or away from the spindle box 3, the tool changer 7 comprises a bottom post 10 connected on the guide slide rails 6 in a sliding way and two upright posts 11 arranged on the bottom post 10, the upper end and the lower end of each upright post 11 are respectively connected with a top plate 12 and a bottom plate 13, a sliding block 14 is connected between the top plate 12 and the bottom plate 13 in a sliding way, a rotating shaft 15 is connected on the sliding block 14 in a rotating way, one end of the rotating shaft 15 passes through the sliding block 14 and is connected with a tool holder 16, the knife rest 16 is provided with a plurality of knife holes 17 for placing knives, the initial states of the knife holes 17 face downwards, the surface of the knife holes is provided with a layer of electromagnet 18, the electromagnet 18 is connected with a power supply, when the electromagnet 18 is electrified, the knives are sucked by the electromagnet 18, and the knife rest 16 is driven by the driving device 9 to do reciprocating motion along the vertical direction and self rotating motion.

As shown in fig. 3, the driving device 9 includes a gear 91 rotatably connected to the other end of the rotating shaft 15 and a vertical cylinder 92 for driving the sliding block 14 to slide in the vertical direction, the gear 91 is engaged with a steering rack 93, the steering rack 93 is fixedly connected to the column 11, the vertical cylinder 92 is fixedly connected to the top plate 12 through the connecting bracket 25, when the vertical cylinder 92 starts to work, the rotating shaft 15 and the sliding block 14 drive the knife rest 16 to perform sliding movement in the vertical direction under the driving of the vertical cylinder 92, and when the gear 91 rotates to the rack position, the gear 91 drives the knife rest 16 to perform rotation movement by itself through the engagement transmission between the gear 91 and the rack.

As shown in fig. 3, two baffles 21 are disposed on two sides of two columns 11, two sliding grooves 22 through which the rotating shaft 15 can pass are disposed on the two baffles 21, the steering rack 93 is fixedly connected to the columns 11 through the baffles 21, and by disposing the two baffles 21, dust and debris generated during processing of a workpiece can be blocked, thereby prolonging the service life of the tool changer 7.

As shown in fig. 4, two guide rods 19 are arranged between the top plate 12 and the bottom plate 13, guide holes 20 for the two guide rods 19 to pass through are arranged on the sliding block 14 in a penetrating manner, and by arranging the two guide rods 19, the sliding block 14 can be guided to slide, so that the problem that the sliding block 14 has angle deviation in the sliding process and the tool changing process is influenced.

As shown in fig. 3 and 4, a knife guard plate 23 is provided on the side of the knife rest 16 close to the headstock 3, and by providing the knife guard plate 23, it is possible to prevent chips generated during machining of a workpiece from being splashed into the knife rest 16 and affecting the placement of a tool.

One specific application of this embodiment is:

when the utility model is used, a workpiece to be processed is firstly placed on the working table plate 24 to be installed and fixed, the knife hole 17 and the knife of the knife rest 16 face downwards, the power supply connected with the electromagnet 18 is in a power-on state, the knife on the knife rest 16 is attracted by the magnetic force generated by the electromagnet 18, when the knife needs to be changed, the sliding cylinder 8 is started, the knife changing device 7 slides in the direction close to the spindle box 3 under the driving of the sliding cylinder 8 until the knife rest 16 is positioned under the spindle box 3, the vertical cylinder 92 is started, the rotating shaft 15 and the gear 91 drive the knife rest 16 to slide vertically upwards under the driving of the vertical cylinder 92, when the gear 91 rotates to the rack position, the gear 91 is meshed with the rack to drive the knife rest 16 to perform self-rotating motion until the knife hole 17 and the knife on the knife rest 16 face upwards, and then the power supply connected with the electromagnet 18 is disconnected, at the moment, the attraction of the electromagnet 18 to the cutter disappears, then the cutter on the cutter frame 16 is replaced by the main spindle box 3, and after the replacement is finished, the workpiece processing process is carried out by controlling the movement of the working table plate 24 on the horizontal slide rail 5 and the transverse slide rail 4, wherein the two baffles 21 and the cutter guard plate 23 can block chips generated during the workpiece processing, the service lives of the cutter and the cutter changing device 7 are prolonged, the two guide rods 19 can play a role in guiding the sliding of the sliding block 14, and the problem of angle deviation in the sliding process is prevented.

In conclusion, the tool changer 7, the tool rest 16 and the driving device 9 can simply complete the whole tool replacing process, so that the effects of saving time and labor and improving the production efficiency are achieved.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a metalwork numerical control machining center toolchanger, includes frame (1), unable adjustment base (2), headstock (3), transverse slide rail (4), horizontal slide rail (5) and work platen (24), its characterized in that: a pair of guide slide rails (6) is arranged between the rack (1) and the fixed base (2) along the direction of a horizontal slide rail (5), a tool changing device (7) is connected on the guide slide rails (6) in a sliding manner, the tool changing device (7) is driven by a sliding air cylinder (8) to slide towards the direction close to or away from the spindle box (3), the tool changing device (7) comprises a bottom column (10) connected on the guide slide rails (6) in a sliding manner and two upright columns (11) arranged on the bottom column (10), the upper end and the lower end of each upright column (11) are respectively connected with a top plate (12) and a bottom plate (13), a sliding block (14) is connected between the top plate (12) and the bottom plate (13) in a sliding manner, the sliding block (14) is rotatably connected with a rotating shaft (15), one end of the rotating shaft (15) penetrates through the sliding block (14) and is connected with a tool holder (16), the automatic cutter placing device is characterized in that a plurality of cutter holes (17) for placing cutters are formed in the cutter placing frame (16), the cutter holes (17) are downward in initial state, a layer of electromagnet (18) is arranged on the surface of each cutter hole, the electromagnet (18) is connected with a power supply, when the power supply is powered on, the cutter is sucked by the electromagnet (18), and the cutter placing frame (16) is driven by the driving device (9) to perform reciprocating motion along the vertical direction and rotation motion of the cutter placing frame.

2. The tool changer of the numerical control metal part machining center of claim 1, wherein: drive arrangement (9) including rotate connect in gear (91) and the drive of pivot (15) other end vertical cylinder (92) that slide block (14) go on sliding along vertical direction, gear (91) meshing is connected with steering rack (93), steering rack (93) rigid coupling is on stand (11).

3. The tool changer of the numerical control metal part machining center of claim 1, wherein: two baffles (21) are arranged on two sides of the upright post (11), and sliding grooves (22) for the rotating shaft (15) to pass through are arranged on the baffles (21).

4. The tool changer of the numerical control metal part machining center of claim 1, wherein: two guide rods (19) are arranged between the top plate (12) and the bottom plate (13), and guide holes (20) for the two guide rods (19) to pass through are arranged on the sliding block (14) in a penetrating mode.

5. The tool changer of the numerical control metal part machining center of claim 1, wherein: and a knife protection plate (23) is arranged on one side of the knife rest (16) close to the spindle box (3).