CN111266930A

CN111266930A - Novel vertical machining center

Info

Publication number: CN111266930A
Application number: CN202010329009.2A
Authority: CN
Inventors: 许立峰; 贺谦
Original assignee: Shenzhen Nuofeng Photoelectric Equipment Co Ltd
Current assignee: Shenzhen Nuofeng Photoelectric Equipment Co Ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-06-12

Abstract

The invention discloses a novel vertical machining center which comprises a chassis, a platform mechanism, a tool rest, a machining head and a water tank, wherein the chassis is horizontally arranged, and an installation space is arranged in the chassis; the platform mechanism is arranged in the mounting space of the chassis, and the platform mechanism is provided with parts to be processed; the tool rest and the processing head are arranged above the platform mechanism, at least two tool bits are arranged on the tool rest, and the working tool bit is arranged at the lower part of the processing head; the water tank is arranged on one side of the chassis, the cooling liquid is stored in the water tank, and the cooling liquid is filtered and precipitated by the water tank and then is recycled. The invention effectively realizes the cleaning and the guiding of the residues on the flow path of the cooling liquid, and has the functions of multi-stage mesh filtration and physical precipitation filtration, thereby greatly improving the residue filtration effect.

Description

Novel vertical machining center

Technical Field

The invention relates to the field of automatic machining, in particular to a novel vertical machining center.

Background

Machining centers have evolved from numerically controlled milling machines. The numerical control milling machine is different from a numerical control milling machine in that the machining center has the capability of automatically exchanging machining tools, and the machining tools on the main shaft can be changed through the automatic tool changing device in one-time clamping by installing tools with different purposes on the tool magazine, so that multiple machining functions are realized. 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. The numerical control machining center is one of numerical control machines with highest yield and most extensive application in the world at present. The comprehensive processing capacity is strong, a workpiece can finish more processing contents after being clamped once, the processing precision is high, batch workpieces with medium processing difficulty are processed, the efficiency is 5-10 times that of common equipment, especially, the batch processing method can finish processing which cannot be finished by a plurality of common equipment, and the batch processing method is more suitable for single-piece processing or medium-small batch multi-variety production with complex shapes and high precision requirements. The functions of milling, boring, drilling, tapping, cutting threads and the like are integrated on one device, so that the device has multiple technological means. The machining center is classified according to the spatial position of the main shaft during machining into: horizontal and vertical machining centers.

When a machining center performs milling, boring, drilling, tapping, thread cutting and other operations, the machining center generally needs to be assisted by cooling liquid for lubricating and cooling, and because machining duration is long, the cooling liquid can be supplied uninterruptedly. However, in the actual processing process, a large amount of metal residues are generated and are led out along with the cooling liquid, so that the cooling liquid led out after processing can be recycled after being filtered. The existing cooling liquid filtering device is not high in filtering effect, residues are reserved in the high-precision machining process to be an important reason influencing machining precision, and the residues often exist in the path from the machining platform to the machining center due to the gravity of the residues and are also an important factor influencing the difficulty in cleaning the residues.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art, and provides a novel vertical machining center which effectively realizes the cleaning and guiding of residues on a cooling liquid flow path, has multi-stage mesh filtration and physical precipitation filtration and greatly improves the residue filtration effect.

The technical scheme adopted by the invention is as follows: a novel vertical machining center comprises a chassis, a platform mechanism, a tool rest, a machining head and a water tank, wherein the chassis is horizontally arranged, and an installation space is arranged in the chassis; the platform mechanism is arranged in the mounting space of the chassis, and the platform mechanism is provided with parts to be processed; the tool rest and the processing head are arranged above the platform mechanism, at least two tool bits are arranged on the tool rest, and the working tool bit is arranged at the lower part of the processing head; the water tank is arranged on one side of the chassis, the cooling liquid is stored in the water tank, and the cooling liquid is filtered and precipitated by the water tank and then is recycled.

Preferably, the base plate comprises a plate seat, an inclined guide groove, a water spray nozzle and a guide opening, wherein the plate seat is of a horizontal seat body structure, and the plate seat is provided with an installation space with an open top; the inclined guide groove is arranged in the tray seat and extends downwards from the inner wall of one side of the tray seat to the side wall of the other side of the tray seat in an inclined manner; the guide port is arranged outside the side wall of the other side of the disc seat and is communicated with the inclined guide groove; the water spray nozzles are arranged on the inner wall of the other side of the disk seat towards the direction of the inclined guide groove, so that dregs generated in the machining process are washed to the guide opening along the inclined guide groove.

Preferably, the inclined guide grooves comprise two inclined guide grooves which are arranged on the disk seat in parallel at intervals; the guide opening comprises two guide openings which are respectively communicated with the two inclined guide grooves; the water nozzles comprise two groups, and the two groups of water nozzles are respectively arranged corresponding to the two inclined guide grooves; the water spray nozzle is supported by a support plate horizontally arranged in the disc seat.

Preferably, the platform mechanism comprises a first module, a second module and a processing table, wherein the first module is arranged on the chassis, and the second module is perpendicular to the first module and connected with the output end of the first module; the processing table is horizontally connected to the upper part of the second module and is driven by the first module and the second module to move in the horizontal plane.

Preferably, the water tank comprises a water tank body, a filtering space, a filtering assembly and a water pump, wherein the water tank body is of a box-shaped structure; the filtering spaces are arranged inside the water tank body and comprise two groups, and the two groups of filtering spaces are respectively arranged on the left side and the right side of the water tank body; the single group of filtering spaces comprises at least two independent spaces; the filtering assemblies are arranged between two adjacent independent spaces, and cooling liquid with residues, which is led out by the processing center, sequentially passes through the independent spaces and the filtering assemblies to be subjected to mesh filtration or physical precipitation; the water pump is arranged on an independent space where the cooling liquid is finally stored, and the cooling liquid after mesh filtration or physical precipitation is led back to the processing center in an outward circulation mode; the filtering space comprises a first filtering space, a second filtering space, a third filtering space, a fourth filtering space and a fifth filtering space, the first filtering space is arranged at the outer side, and the second filtering space and the third filtering space are sequentially arranged at the side part of the first filtering space along the direction perpendicular to the first filtering space; two side edges of the fourth filtering space are respectively arranged closely to the first filtering space and the third filtering space; two side edges of the fifth filtering space are arranged close to the two fourth filtering spaces.

Preferably, the filter assembly comprises a first filter screen, a second filter screen, a first filter hole, a second filter hole, a third filter screen and a fourth filter screen, the first filter screen and the second filter screen are respectively arranged at the tops of the first filter space and the second filter space, and the processing liquid with dregs generated in the processing process flows into the first filter space and the second filter space after being filtered by the first filter screen and the second filter screen respectively.

Preferably, a first filtering hole is formed in a partition plate between the first filtering space and the second filtering space, a second filtering hole is formed in a partition plate between the second filtering space and the third filtering space, the bottom of the first filtering hole is higher than the bottom of the first filtering space, the bottom of the second filtering hole is higher than the bottom of the first filtering hole, the processing liquid enters the second filtering space through the first filtering hole after being physically precipitated in the first filtering space, and the processing liquid enters the third filtering space through the second filtering hole after being physically precipitated in the second filtering space.

Preferably, a third filter screen is arranged on a partition plate between the third filter space and the fourth filter space, and the processing liquid in the third filter space enters the fourth filter space after being filtered by the third filter screen.

Preferably, a fourth filter screen is arranged on a partition plate between the fourth filter space and the fifth filter space, and the processing liquid in the fourth filter space enters the fifth filter space after being filtered by the fourth filter screen; and a water pump is arranged on the fifth filtering space and guides the machining liquid filtered in the fifth filtering space into the machining head so as to guide the machining liquid out of the machining position.

Preferably, the tool rest comprises a tool rest disc, a tool bit and a tool changing rest, wherein the tool rest disc is of a disc structure, is vertically arranged and is driven by a motor to rotate, and is internally provided with at least two mounting positions; the cutter head is arranged on the mounting position; the tool changing frame is horizontally arranged below the tool changing frame disc, and a tool bit on the tool changing frame disc enters the tool changing frame and moves to the position below the machining head through the tool changing frame so as to be convenient for replacing the tool bit.

The invention has the beneficial effects that:

aiming at the defects and shortcomings in the prior art, the novel vertical machining center is independently researched and developed, effectively realizes the cleaning and guiding of residues on a cooling liquid flow path, has multi-stage mesh filtration and physical precipitation filtration, and greatly improves the residue filtration effect. The invention mainly solves the technical problems of residue leading-out cleaning and filtering precipitation in the processing process, and the invention creatively designs a chassis structure and a water tank structure aiming at the technical problems.

Specifically, the chassis adopts a rectangular box-shaped structural design with an open top surface, and a horizontally-raised supporting platform is arranged in the middle of the chassis so as to be convenient for mounting a processing platform of a processing center. The left and right sides of supporting platform is provided with oblique guide slot respectively, and two oblique guide slots incline downwardly from chassis rear side inner wall to the front side inner wall on chassis, and the lower extreme and the chassis front side inner wall junction of oblique guide slot are logical groove structure. The outside of logical groove structure is equipped with leads the mouth, leads the mouth and outwards inclines downwardly extending, and the opening progressively increases. In addition, the rear side walls of the upper chassis at the upper parts of the two inclined guide grooves are respectively provided with a high-pressure water spray nozzle, and the nozzle openings of the water spray nozzles are arranged towards the inclined guide grooves and spray high-pressure water into the inclined guide grooves. The cooling liquid with residues generated in the processing process on the processing platform falls into the inclined guide groove, and the residues in the cooling liquid flow into the guide opening along with the cooling liquid under the action of self gravity and the washing of high-pressure liquid sprayed by the water spray nozzle and are guided into the water tank through the guide opening.

The water tank adopts a box-shaped structure with an open top, two groups of filtering spaces are arranged on the left side and the right side of the water tank, the left side or the right side is a first filtering space, the rear part of the inner side close to the first filtering space is a second filtering space, the front side of the second filtering space is a third filtering space, the left side and the right side close to the front side of the third filtering space are respectively fourth filtering spaces, and the front side and the rear side between the two fourth filtering spaces are respectively two fifth filtering spaces. The top surfaces of the first filtering space and the second filtering space are respectively provided with a first filtering net and a second filtering net guide port, and cooling liquid guided out from the front side and the rear side of the processing platform respectively enters the first filtering space and the second filtering space through the first filtering net and the second filtering net to form first-stage filtering. A first filtering hole with the hole bottom height higher than the bottom surface of the first filtering space is formed in the partition plate between the first filtering space and the second filtering space, and a second filtering hole with the hole bottom height higher than the hole bottom height of the first filtering hole is formed in the partition plate between the second filtering space and the third filtering space. And the cooling water in the first filtering space and the second filtering space is physically precipitated and then is guided into the second filtering space and the third filtering space through the first filtering holes and the second filtering holes to form second-stage and third-stage physical precipitates. And a third filter screen is arranged on a partition plate between the third filtering space and the fourth filtering space, and the cooling liquid in the third filtering space flows into the fourth filtering space after being filtered by the third filter screen to form fourth-stage filtering. And a fourth filter screen is arranged on a partition plate between the fourth filter space and the fifth filter space, the cooling liquid in the fourth filter space flows into the fifth filter space after being filtered by the fourth filter screen to form fifth-stage filtration, and the cooling liquid in the fifth filter space is pumped out by a water pump arranged on the fifth filter space. Through the five-stage filtration and physical precipitation, the retention rate of residues in the cooling liquid is reduced to be below 0.1%, the filtration effect is greatly improved, and the method is suitable for high-precision machining requirements.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the second embodiment of the present invention.

Fig. 3 is a schematic perspective view of a hidden component according to the present invention.

Fig. 4 is a schematic perspective view of a hidden component according to a second embodiment of the present invention.

Fig. 5 is a schematic perspective view of the chassis according to the present invention.

Fig. 6 is a schematic perspective view of the second embodiment of the chassis of the present invention.

Fig. 7 is a third schematic perspective view of the chassis of the present invention.

Fig. 8 is a schematic perspective view of a water tank according to the present invention.

Fig. 9 is a schematic perspective view of a water tank according to a second embodiment of the present invention.

Fig. 10 is a schematic perspective view of a hidden part of a water tank according to the present invention.

Fig. 11 is a schematic perspective view of a hidden part of a water tank according to a second embodiment of the present invention.

Fig. 12 is a third schematic perspective view of a hidden part of a water tank according to the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

as shown in fig. 1 to 12, the technical solution adopted by the present invention is as follows: a novel vertical machining center comprises a chassis 1, a platform mechanism, a tool rest 5, a machining head 6 and a water tank 7, wherein the chassis 1 is horizontally arranged, and an installation space is arranged inside the chassis 1; the platform mechanism is arranged in the installation space of the chassis 1, and the parts to be processed are installed on the platform mechanism; the tool rest 5 and the processing head 6 are arranged above the platform mechanism, at least two tool bits are arranged on the tool rest 5, and the working tool bit is arranged at the lower part of the processing head 6; the water tank 7 is arranged on one side of the chassis 1, cooling liquid is stored in the water tank 7, and the cooling liquid is filtered and precipitated by the water tank and then is recycled.

The chassis 1 comprises a disk seat 11, an inclined guide groove 12, a water spray nozzle 14 and a guide port 15, wherein the disk seat 11 is of a horizontal seat structure, and the disk seat 11 is provided with an installation space with an open top; the inclined guide groove 12 is arranged in the tray seat 11 and extends from the inner wall of one side of the tray seat 11 to the side wall of the other side of the tray seat 11; the guide opening 15 is arranged outside the side wall of the other side of the disk seat 11 and is communicated with the inclined guide groove 12; the water nozzle 14 is provided on the other side of the inner wall of the tray 11 toward the inclined guide groove 12 so as to flush the dross generated during the processing along the inclined guide groove 12 to the guide opening 15.

The inclined guide grooves 12 comprise two, and the two inclined guide grooves 12 are arranged on the disk seat 11 in parallel at intervals; the guide opening 15 comprises two guide openings which are respectively communicated with the two inclined guide grooves 12; the water nozzles 14 comprise two groups, and the two groups of water nozzles 14 are respectively arranged corresponding to the two inclined guide grooves 12; the water jet nozzle 14 is supported by a stay 14 horizontally disposed in the tray 11.

The platform mechanism comprises a first module 2, a second module 3 and a processing table 4, wherein the first module 2 is arranged on the chassis 1, and the second module 3 is arranged perpendicular to the first module 2 and connected with the output end of the first module 2; the processing table 4 is horizontally connected to the upper portion of the second module 3, and is driven by the first module 2 and the second module 3 to move in a horizontal plane.

The water tank 7 comprises a water tank body 71, a filtering space, a filtering assembly and a water pump 78, wherein the water tank body 71 is of a box-shaped structure; the filtering spaces are arranged inside the water tank body 71 and comprise two groups, and the two groups of filtering spaces are respectively arranged on the left side and the right side of the water tank body 71; the single group of filtering spaces comprises at least two independent spaces; the filtering assemblies are arranged between two adjacent independent spaces, and cooling liquid with residues, which is led out by the processing center, sequentially passes through the independent spaces and the filtering assemblies to be subjected to mesh filtration or physical precipitation; the water pump 78 is disposed in an independent space where the coolant is finally stored, and circulates the coolant after being filtered by the mesh or physically precipitated to the outside and returns the coolant to the machining center; the filtering space comprises a first filtering space A, a second filtering space B, a third filtering space C, a fourth filtering space D and a fifth filtering space, the first filtering space A is arranged at the outer side, and the second filtering space B and the third filtering space C are sequentially arranged at the side part of the first filtering space A along the direction perpendicular to the first filtering space A; two side edges of the fourth filtering space D are respectively arranged closely to the first filtering space A and the third filtering space C; two side edges of the fifth filtering space are arranged close to the two fourth filtering spaces D.

The filter assembly comprises a first filter screen 72, a second filter screen 73, a first filter hole 74, a second filter hole 75, a third filter screen 76 and a fourth filter screen 77, wherein the first filter screen 72 and the second filter screen 73 are respectively arranged at the tops of the first filter space A and the second filter space B, and machining liquid with dregs generated in the machining process flows into the first filter space A and the second filter space B after being filtered by the first filter screen 72 and the second filter screen 73 respectively.

First filtration hole 74 has been seted up on the baffle between first filtration space A and the second filtration space B, second filtration hole 75 has been seted up on the baffle between second filtration space B and the third filtration space C, and the hole bottom height of first filtration hole 74 is higher than the bottom surface of first filtration space A, the hole bottom height of second filtration hole 75 is higher than the hole bottom of first filtration hole 74, the working solution gets into second filtration space B through first filtration hole 74 after first filtration space A carries out the physics and deposits, get into third filtration space C through second filtration hole 75 after carrying out the physics and depositing in second filtration space B.

A third filter screen 76 is arranged on a partition plate between the third filtering space C and the fourth filtering space D, and the processing liquid in the third filtering space C enters the fourth filtering space D after being filtered by the third filter screen 76.

A fourth filter screen 77 is arranged on a partition plate between the fourth filter space D and the fifth filter space, and the processing liquid in the fourth filter space D enters the fifth filter space after being filtered by the fourth filter screen 77; the fifth filtering space is provided with a water pump 78, and the water pump 78 guides the machining liquid filtered in the fifth filtering space to the machining head 6 so as to guide the machining liquid to a machining part.

The tool rest 5 comprises a tool rest disc 51, a tool bit 53 and a tool changing frame 52, wherein the tool rest disc 51 is of a disc structure, the tool rest disc 51 is vertically arranged and is driven by a motor to rotate, and at least two mounting positions are arranged in the tool rest disc 51; the tool bit 53 is arranged on the mounting position; the tool changer 52 is horizontally disposed below the tool changer disk 51, and the tool bit 53 on the tool changer disk 51 enters the tool changer 52 and moves below the processing head 6 through the tool changer 52 to change the tool bit 53.

Furthermore, the invention designs a novel vertical machining center which effectively realizes the cleaning and guiding of residues on a cooling liquid flow path, has multi-stage mesh filtration and physical precipitation filtration and greatly improves the residue filtration effect. The invention mainly solves the technical problems of residue leading-out cleaning and filtering precipitation in the processing process, and the invention creatively designs a chassis structure and a water tank structure aiming at the technical problems. Specifically, the chassis adopts a rectangular box-shaped structural design with an open top surface, and a horizontally-raised supporting platform is arranged in the middle of the chassis so as to be convenient for mounting a processing platform of a processing center. The left and right sides of supporting platform is provided with oblique guide slot respectively, and two oblique guide slots incline downwardly from chassis rear side inner wall to the front side inner wall on chassis, and the lower extreme and the chassis front side inner wall junction of oblique guide slot are logical groove structure. The outside of logical groove structure is equipped with leads the mouth, leads the mouth and outwards inclines downwardly extending, and the opening progressively increases. In addition, the rear side walls of the upper chassis at the upper parts of the two inclined guide grooves are respectively provided with a high-pressure water spray nozzle, and the nozzle openings of the water spray nozzles are arranged towards the inclined guide grooves and spray high-pressure water into the inclined guide grooves. The cooling liquid with residues generated in the processing process on the processing platform falls into the inclined guide groove, and the residues in the cooling liquid flow into the guide opening along with the cooling liquid under the action of self gravity and the washing of high-pressure liquid sprayed by the water spray nozzle and are guided into the water tank through the guide opening. The water tank adopts a box-shaped structure with an open top, two groups of filtering spaces are arranged on the left side and the right side of the water tank, the left side or the right side is a first filtering space, the rear part of the inner side close to the first filtering space is a second filtering space, the front side of the second filtering space is a third filtering space, the left side and the right side close to the front side of the third filtering space are respectively fourth filtering spaces, and the front side and the rear side between the two fourth filtering spaces are respectively two fifth filtering spaces. The top surfaces of the first filtering space and the second filtering space are respectively provided with a first filtering net and a second filtering net guide port, and cooling liquid guided out from the front side and the rear side of the processing platform respectively enters the first filtering space and the second filtering space through the first filtering net and the second filtering net to form first-stage filtering. A first filtering hole with the hole bottom height higher than the bottom surface of the first filtering space is formed in the partition plate between the first filtering space and the second filtering space, and a second filtering hole with the hole bottom height higher than the hole bottom height of the first filtering hole is formed in the partition plate between the second filtering space and the third filtering space. And the cooling water in the first filtering space and the second filtering space is physically precipitated and then is guided into the second filtering space and the third filtering space through the first filtering holes and the second filtering holes to form second-stage and third-stage physical precipitates. And a third filter screen is arranged on a partition plate between the third filtering space and the fourth filtering space, and the cooling liquid in the third filtering space flows into the fourth filtering space after being filtered by the third filter screen to form fourth-stage filtering. And a fourth filter screen is arranged on a partition plate between the fourth filter space and the fifth filter space, the cooling liquid in the fourth filter space flows into the fifth filter space after being filtered by the fourth filter screen to form fifth-stage filtration, and the cooling liquid in the fifth filter space is pumped out by a water pump arranged on the fifth filter space. Through the five-stage filtration and physical precipitation, the retention rate of residues in the cooling liquid is reduced to be below 0.1%, the filtration effect is greatly improved, and the method is suitable for high-precision machining requirements.

The embodiments of the present invention are merely illustrative of specific embodiments thereof, and are not intended to limit the scope thereof. Since the present invention can be modified by a person skilled in the art, the present invention is not limited to the embodiments described above.

Claims

1. The utility model provides a novel vertical machining center which characterized in that: the device comprises a chassis (1), a platform mechanism, a tool rest (5), a processing head (6) and a water tank (7), wherein the chassis (1) is horizontally arranged, and an installation space is arranged in the chassis (1); the platform mechanism is arranged in the installation space of the chassis (1), and parts to be processed are installed on the platform mechanism; the tool rest (5) and the processing head (6) are arranged above the platform mechanism, at least two tool bits are arranged on the tool rest (5), and the working tool bit is arranged at the lower part of the processing head (6); the water tank (7) is arranged on one side of the chassis (1), cooling liquid is stored in the water tank (7), and the cooling liquid is filtered and precipitated by the water tank and then recycled.

2. The novel vertical machining center of claim 1, wherein: the chassis (1) comprises a disc seat (11), an inclined guide groove (12), a water spray nozzle (14) and a guide opening (15), wherein the disc seat (11) is of a horizontal seat body structure, and the disc seat (11) is provided with an installation space with an open top; the inclined guide groove (12) is arranged in the tray seat (11) and extends downwards from the inner wall of one side of the tray seat (11) to the side wall of the other side of the tray seat (11); the guide opening (15) is arranged outside the side wall on the other side of the disc seat (11) and is communicated with the inclined guide groove (12); the water spray nozzle (14) is arranged on the inner wall of the other side of the disk seat (11) towards the direction of the inclined guide groove (12) so as to flush dregs generated in the processing process to the guide opening (15) along the inclined guide groove (12).

3. The novel vertical machining center of claim 2, wherein: the two inclined guide grooves (12) comprise two, and the two inclined guide grooves (12) are arranged on the disk seat (11) in parallel at intervals; the guide opening (15) comprises two guide openings which are respectively communicated with the two inclined guide grooves (12); the water nozzles (14) comprise two groups, and the two groups of water nozzles (14) are respectively arranged corresponding to the two inclined guide grooves (12); the water spray nozzle (14) is supported by a support plate (14) horizontally arranged in the disk seat (11).

4. The novel vertical machining center of claim 3, wherein: the platform mechanism comprises a first module (2), a second module (3) and a processing table (4), wherein the first module (2) is arranged on the chassis (1), and the second module (3) is perpendicular to the first module (2) and is connected with the output end of the first module (2); the processing table (4) is horizontally connected to the upper part of the second module (3) and is driven by the first module (2) and the second module (3) to move in the horizontal plane.

5. The novel vertical machining center of claim 4, wherein: the water tank (7) comprises a water tank body (71), a filtering space, a filtering assembly and a water pump (78), wherein the water tank body (71) is of a box-shaped structure; the filtering spaces are arranged inside the water tank body (71), the filtering spaces comprise two groups, and the two groups of filtering spaces are respectively arranged on the left side and the right side of the water tank body (71); the single group of filtering spaces comprises at least two independent spaces; the filtering assemblies are arranged between two adjacent independent spaces, and cooling liquid with residues, which is led out by the processing center, sequentially passes through the independent spaces and the filtering assemblies to be subjected to mesh filtration or physical precipitation; the water pump (78) is arranged on an independent space where the cooling liquid is finally stored, and the cooling liquid after mesh filtration or physical precipitation is led back to the processing center in an outward circulation mode; the filtering spaces comprise a first filtering space (A), a second filtering space (B), a third filtering space (C), a fourth filtering space (D) and a fifth filtering space, the first filtering space (A) is arranged at the outer side, and the second filtering space (B) and the third filtering space (C) are sequentially arranged at the side part of the first filtering space (A) along the direction perpendicular to the first filtering space (A); two side edges of the fourth filtering space (D) are respectively arranged closely to the first filtering space (A) and the third filtering space (C); two side edges of the fifth filtering space are arranged close to the two fourth filtering spaces (D).

6. The novel vertical machining center of claim 5, wherein: the filter assembly comprises a first filter screen (72), a second filter screen (73), a first filter hole (74), a second filter hole (75), a third filter screen (76) and a fourth filter screen (77), wherein the tops of the first filter space (A) and the second filter space (B) are respectively provided with the first filter screen (72) and the second filter screen (73), and processing liquid with dregs generated in the processing process flows into the first filter space (A) and the second filter space (B) after being filtered by the first filter screen (72) and the second filter screen (73) respectively.

7. The novel vertical machining center of claim 6, wherein: first filtration space (A) and second filtration space (B) between the baffle on seted up first filtration hole (74), second filtration hole (75) have been seted up on the baffle between second filtration space (B) and third filtration space (C), and the hole bottom height of first filtration hole (74) is higher than the bottom surface of first filtration space (A), the hole bottom height of second filtration hole (75) is higher than the hole bottom of first filtration hole (74), the working solution gets into second filtration space (B) through first filtration hole (74) after first filtration space (A) carries out the physics and deposits, get into third filtration space (C) through second filtration hole (75) after carrying out the physics and depositing in second filtration space (B).

8. The novel vertical machining center of claim 7, wherein: and a third filter screen (76) is arranged on a partition plate between the third filter space (C) and the fourth filter space (D), and the processing liquid in the third filter space (C) enters the fourth filter space (D) after being filtered by the third filter screen (76).

9. The novel vertical machining center of claim 8, wherein: a fourth filter screen (77) is arranged on a partition plate between the fourth filter space (D) and the fifth filter space, and the processing liquid in the fourth filter space (D) enters the fifth filter space after being filtered by the fourth filter screen (77); and a water pump (78) is arranged on the fifth filtering space, and the water pump (78) guides the machining liquid filtered in the fifth filtering space to the machining head (6) so as to guide the machining liquid out to a machining part.

10. The novel vertical machining center of claim 9, wherein: the tool rest (5) comprises a tool rest disc (51), a tool bit (53) and a tool changing frame (52), wherein the tool rest disc (51) is of a disc structure, the tool rest disc (51) is vertically arranged and is driven by a motor to rotate, and at least two mounting positions are arranged in the tool rest disc (51); the tool bit (53) is arranged on the mounting position; the tool changing frame (52) is horizontally arranged below the tool changing frame disc (51), and a tool bit (53) on the tool changing frame disc (51) enters the tool changing frame (52) and moves to the position below the machining head (6) through the tool changing frame (52) so as to change the tool bit (53).