CN221474465U

CN221474465U - Three main shaft type numerical control planer-type milling machines

Info

Publication number: CN221474465U
Application number: CN202323352978.8U
Authority: CN
Inventors: 刘勇; 杨辉; 赖育禄
Original assignee: Wulin Cnc Technology Ji'an Co ltd
Current assignee: Wulin Cnc Technology Ji'an Co ltd
Priority date: 2023-12-08
Filing date: 2023-12-08
Publication date: 2024-08-06
Anticipated expiration: 2033-12-08

Abstract

The utility model discloses a three-spindle type numerical control planer type milling machine which comprises a bottom plate, a workbench, a surrounding frame, a protective cover and a filter plate, wherein third mounting plates are symmetrically and fixedly welded on the side walls of the surrounding frame on two sides, an electric push rod is mounted on the bottom surface of the third mounting plate, a protective cover is connected and mounted at the movable end of the electric push rod, side mounting plates are symmetrically welded on the side walls on two sides of the protective cover, and a collecting box is fixedly welded on the bottom surface of the side mounting plates. The beneficial effects are that: the utility model is provided with the protective cover, the collecting box and the recycling box, and the protective cover can synchronously move along with the surrounding frame, so that the processing main shaft is always positioned at the inner side of the protective cover when processing a workpiece, and the dust collection effect is ensured, thereby effectively preventing dust and fine scraps generated in the processing process of the workpiece from escaping into the workshop environment, being beneficial to protecting the health of workers, effectively preventing larger metal scraps from accumulating on a workbench and ensuring the processing quality of the workpiece.

Description

Three main shaft type numerical control planer-type milling machines

Technical Field

The utility model relates to the technical field of numerical control planer type milling machines, in particular to a three-spindle numerical control planer type milling machine.

Background

The numerical control planer type milling machine is a scientific instrument used in the field of mechanical engineering, can be used for numerical control machining of large and medium-sized mechanical parts, numerical control machining of parts with high hole system and external dimension precision and numerical control machining of complex three-dimensional curved surface parts, has the advantages of high efficiency, convenient operation, simple structure and comprehensive performance, and is widely used in batch workpiece machining.

The prior art discloses the publication number: the utility model provides a CN216461983U high-speed cutting's accurate numerical control planer-type milling machine, includes the bottom plate, the bottom four corners of bottom plate all is fixed with the supporting leg, the top of bottom plate is provided with protection component, the top of bottom plate is fixed with two extension boards, two be connected with first lead screw through the bearing rotation between the extension board, the surface threaded connection of first lead screw has the movable block. According to the utility model, when a workpiece is cut, the splash scraps generated during processing can be blocked by the arranged protective component, so that accidental injury to operators caused by splash is prevented, and the scraps and the waste dust generated during processing the workpiece can be collected and processed by the arranged collecting component, so that the scraps are prevented from remaining on the surface of the workpiece, the processing is influenced, and meanwhile, the scraps are conveniently cleaned.

The collecting assembly arranged in the utility model can not move along with the movement of the processing main shaft, so that the dust collection effect of the collecting cover is poor, dust and fine scraps generated in the processing process can not be fully sucked and collected.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a three-spindle numerical control planer type milling machine which has better dust and debris suction and collection effects, can prevent larger metal debris from accumulating on a workbench, ensures the processing quality of a workpiece, and further solves the problems in the background art.

(II) technical scheme

In order to realize the advantages that the dust and the fragments have better suction and collection effects, and larger metal fragments can be prevented from accumulating on the workbench, and the processing quality of a workpiece is guaranteed, the utility model adopts the following specific technical scheme: the utility model provides a three main shaft formula numerical control planer-type milling machine, includes bottom plate, workstation, encloses frame, protection casing and filter plate, bottom plate top surface symmetry fixed mounting has first mounting panel, two install first lead screw between the first mounting panel, and first lead screw one end is connected first motor output, workstation bottom surface fixed mounting has first movable block, and fixed mounting has first nut in the first movable block to first nut and first lead screw intermeshing, bottom plate top surface fixed mounting has the portal frame, and portal frame one side symmetry welding has the second mounting panel, two install the second lead screw between the second mounting panel, and second lead screw one end is connected with the second motor output, and three enclose frame back equal fixed mounting has the second movable block, and fixed mounting has the second nut in the second movable block, and second nut and second lead screw intermeshing, both sides enclose frame lateral wall symmetry fixed welding has the third mounting panel, and the third mounting panel bottom surface installs electric putter movable end connection has the protection casing, protection casing both sides lateral wall symmetry has the bottom surface mounting panel, and side mounting panel, and portal frame one side symmetry welding has the filter plate, and the filter plate top surface is connected with the filter plate, the filter plate is connected with the filter plate top surface fixed to the filter plate, the filter plate is connected with the filter plate top surface fixed through the top surface.

Furthermore, the inclined plates are symmetrically welded on the side walls of the two sides of the workbench, the mounting sliding grooves are symmetrically formed in the two sides of the bottom plate, the mounting sliding blocks are mounted in the mounting sliding grooves in a clamping mode, one end of each mounting sliding block is fixedly connected with a recovery box, and the recovery boxes are located below the inclined plates.

Further, the hydraulic cylinders are all installed on the top surfaces of the surrounding frames, the output ends of the hydraulic cylinders are fixedly connected with connecting frames, processing motors are fixedly installed in the connecting frames, processing spindles are installed at the output ends of the processing motors in a connecting mode, three limiting holes are evenly formed in the top surfaces of the protective covers, and the surrounding frames are symmetrically inserted into the limiting holes.

Further, the first guide sliding blocks are symmetrically and fixedly arranged on the bottom surface of the workbench, the first guide rails are symmetrically arranged on the top surface of the bottom plate, the first guide sliding blocks are arranged on the first guide rails in a clamping mode, the second guide sliding blocks are fixedly arranged on the back surfaces of the surrounding frames, the second guide rails are fixedly arranged on one side of the portal frame, and the second guide sliding blocks are arranged on the second guide rails in a clamping mode.

Furthermore, an observation window is arranged on one side of the protective cover.

Further, a sealing door is arranged on one side of the collecting box.

Further, the cross section of the collecting box is L-shaped.

(III) beneficial effects

Compared with the prior art, the utility model provides a three-spindle numerical control planer type milling machine, which has the following beneficial effects:

(1) When the utility model is used, a worker can uniformly and fixedly install three identical workpieces to be processed on the top surface of the workbench and enable the workpieces to be processed to be positioned below the corresponding processing main shafts, before processing, the electric push rods installed on the bottom surfaces of the two third mounting plates are started to drive the protective cover to descend until the processing main shafts and the workpieces to be processed are positioned on the inner sides of the protective cover, during processing, the hydraulic cylinders installed on the top surfaces of the surrounding frames push the connecting frames and the processing motors to descend, and simultaneously the processing motors are started to drive the processing main shafts to rotate so as to machine the workpieces below the processing main shafts, the descending height can be regulated and controlled by a numerical control system according to processing requirements, in the processing process, the numerical control system can start the first lead screw installed between the first mounting plates according to processing requirements, the first nut fixedly installed in the first moving block at the bottom surface of the workbench is meshed with the first lead screw, the first guide block fixedly installed on the bottom surface of the workbench is embedded in the first guide rail formed on the bottom surface of the bottom plate, the workbench can synchronously move along the first guide rail along with the three workpieces, simultaneously, the numerical control system can be started to drive the second lead screw installed between the second guide blocks to synchronously move along the second guide rails installed on the second guide rails along the second guide rails, and simultaneously along the second guide rails fixedly installed on the bottom surfaces of the workbench along with the second guide rails, the machining efficiency of work piece has been improved, and because processing main shaft and waiting to process the work piece and all be located the protection casing inboard to the protection casing removes along with enclosing the frame, so the protection casing can prevent effectively that the metal piece that produces in the course of working from outwards splashing and causing the workman injured, makes the during operation of a three main shaft numerical control planer-type milling machine safer, and the workman accessible protection casing one side observation window of installation observes the processing condition of work piece.

(2) The utility model is provided with the protective cover, the collecting box and the collecting box, as mentioned above, when the workpiece is processed, the two sides of the protective cover are symmetrically and fixedly provided with the side mounting plates, the bottom surface of the side mounting plate is fixedly provided with the collecting box, one side of the inner cavity of the collecting box is communicated with the inner cavity of the protective cover through the air suction pipe, one end of the air suction pipe, which is positioned in the protective cover, is fixedly provided with the collecting cover, meanwhile, the top surface of the inner cavity of the collecting box is communicated with the air outlet pipe penetrating through the top surface of the side mounting plate, and the air outlet pipe is provided with the dust suction fan, so that in the process of processing the workpiece, a worker can start the dust suction fan to suck dust and small chips generated in the processing of the workpiece in the protective cover into the inner cavity of the collecting box through the collecting cover and the air suction pipe, in addition, the inner wall of the collecting box is symmetrically provided with the drawing sliding grooves, and the drawing sliding blocks symmetrically and fixedly arranged at two ends of the filter plate provided with the filter screen are clamped in the drawing sliding grooves, therefore, dust and fine scraps in the air can be filtered when the dust-containing gas in the collecting box passes through the filter screen, so that dust and fine scraps generated in the workpiece processing process can be effectively prevented from escaping into a workshop environment, the work is protected, after the work is finished, a worker only needs to open a sealing door arranged on one side of the collecting box, take out the filter plate and the collecting box to clean, part of larger processing scraps can move towards two sides along the workbench under the suction action of the dust suction fan, when the larger metal scraps move onto inclined plates symmetrically and fixedly arranged on two sides of the workbench, the larger metal scraps can slide into the recycling box along the inclined plates, so that the accumulation of the larger metal scraps on the workbench can be effectively prevented, the processing quality of the workpiece is ensured, the installation slider of the fixed installation in recovery box one side that sets up is blocked in the installation spout that bottom plate bilateral symmetry was seted up, and the workman can wait to process when ending, takes off the recovery box, retrieves the recycle to the metal piece of collecting in the recovery box.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a three-spindle numerically controlled planer type milling machine according to an embodiment of the utility model;

FIG. 2 is a top view of a three spindle numerically controlled planer type milling machine according to an embodiment of the utility model;

FIG. 3 is a cross-sectional side view of a peripheral frame of a three-spindle numerically controlled planer type milling machine according to an embodiment of the utility model;

FIG. 4 is an enlarged view at A of FIG. 1 according to an embodiment of the present utility model;

FIG. 5 is an enlarged view at B of FIG. 1 according to an embodiment of the present utility model;

FIG. 6 is an enlarged view at C of FIG. 1 according to an embodiment of the present utility model;

Fig. 7 is a perspective view of a three-spindle type numerical control planer type milling machine shield according to an embodiment of the utility model.

In the figure:

1. a portal frame; 2. a bottom plate; 3. a work table; 4. a recovery box; 5. a sloping plate; 6. a dust collection fan; 7. a second mounting plate; 8. a second guide rail; 9. a third mounting plate; 10. a surrounding frame; 11. a second guide slider; 12. a hydraulic cylinder; 13. an electric push rod; 14. a second lead screw; 15. a second motor; 16. a protective cover; 17. a collection cover; 18. machining a main shaft; 19. a first mounting plate; 20. a first motor; 21. a first lead screw; 22. a first guide rail; 23. a connection frame; 24. processing a motor; 25. a second moving block; 26. a second nut; 27. a side mounting plate; 28. a collection box; 29. an air suction pipe; 30. an air outlet pipe; 31. a filter plate; 32. a filter screen; 33. a collection box; 34. drawing the sliding block; 35. drawing the sliding groove; 36. a first moving block; 37. a first nut; 38. a first guide slider; 39. installing a sliding block; 40. installing a chute; 41. a limiting hole; 42. an observation window; 43. sealing the door.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

According to an embodiment of the utility model, a three-spindle type numerical control planer type milling machine is provided.

The utility model will be further described with reference to the accompanying drawings and the specific embodiments, as shown in fig. 1-7, a three-spindle type numerical control planer type milling machine according to the embodiment of the utility model comprises a bottom plate 2, a workbench 3, a surrounding frame 10, a protective cover 16 and a filter plate 31, wherein a first mounting plate 19 is symmetrically and fixedly arranged on the top surface of the bottom plate 2, a first lead screw 21 is arranged between the two first mounting plates 19, one end of the first lead screw 21 is connected with the output end of a first motor 20, a first moving block 36 is fixedly arranged on the bottom surface of the workbench 3, a first nut 37 is fixedly arranged in the first moving block 36, the first nut 37 is meshed with the first lead screw 21, a portal frame 1 is fixedly arranged on the top surface of the bottom plate 2, a second mounting plate 7 is symmetrically welded on one side of the portal frame 1, a second lead screw 14 is arranged between the two second mounting plates 7, one end of the second lead screw 14 is connected with the output end of the second motor 15, the back of each of the three surrounding frames 10 is fixedly provided with a second moving block 25, the second moving block 25 is internally and fixedly provided with a second nut 26, the second nut 26 is meshed with a second screw rod 14, the side walls of the two surrounding frames 10 are symmetrically and fixedly welded with a third mounting plate 9, the bottom surface of the third mounting plate 9 is provided with an electric push rod 13, the movable end of the electric push rod 13 is connected with a protective cover 16, the side walls of the two sides of the protective cover 16 are symmetrically welded with side mounting plates 27, the bottom surface of the side mounting plates 27 is fixedly welded with a collecting box 28, one side of the inner cavity of the collecting box 28 is communicated with one end of an air suction pipe 29, the other end of the air suction pipe 29 penetrates through the side wall of the protective cover 16 and is communicated with a collecting cover 17, the top surface of the inner cavity of the collecting box 28 is communicated with an air outlet pipe 30 penetrating through the top surface of the side mounting plates 27, the air outlet pipe 30 is provided with a dust suction fan 6, the inner wall of the collecting box 28 is symmetrically provided with a drawing chute 35, the filter plate 31 bilateral symmetry welding has pull slider 34, and pull slider 34 block is in pull spout 35, filter plate 31 central authorities fixed mounting has filter screen 32, filter plate 31 bottom surface fixed mounting has collection box 33, has played and has utilized protection casing 16 can follow the synchronous motion of enclosing frame 10, has ensured the dust absorption and has collected the effect, can effectively prevent dust and the tiny piece loss that produces in the work piece course of working to the workshop environment in, is favorable to protecting the workman healthy, and can effectively prevent that great metal piece from accumulating on workstation 3, ensured the processingquality of work piece.

In one embodiment, the swash plate 5 has been welded to workstation 3 both sides lateral wall symmetry, installation spout 40 has been seted up to bottom plate 2 bilateral symmetry, and install slider 39 is installed to the embedded installation spout 40, and install slider 39 one end fixedly connected with retrieves box 4, retrieve box 4 is located swash plate 5 below, the messenger great metal chip can follow swash plate 5 landing to retrieve in the box 4, thereby can prevent effectively that great metal chip from accumulating on workstation 3, the processingquality of work piece has been ensured, be convenient for the workman at the processing end simultaneously, retrieve box 4 take off, retrieve the recycling to the metal chip who gathers in the box 4.

In one embodiment, the hydraulic cylinder 12 is installed on the top surface of the three surrounding frames 10, the connecting frame 23 is fixedly connected to the output end of the hydraulic cylinder 12, the processing motor 24 is fixedly installed in the connecting frame 23, the processing main shaft 18 is installed at the output end of the processing motor 24 in a connecting mode, three limiting holes 41 are evenly formed in the top surface of the protective cover 16, the three surrounding frames 10 are symmetrically inserted into the limiting holes 41, the processing main shaft 18 is driven to work by the processing motor 24 to process a workpiece, and the processing main shaft 18 is guaranteed to be located inside the protective cover 16 in the working process.

In one embodiment, the bottom surface of the workbench 3 is symmetrically and fixedly provided with the first guide sliding blocks 38, the top surface of the bottom plate 2 is symmetrically provided with the first guide rail 22, the first guide sliding blocks 38 are embedded and arranged on the first guide rail 22, the back surfaces of the three surrounding frames 10 are fixedly provided with the second guide sliding blocks 11, one side of the portal frame 1 is fixedly provided with the second guide rail 8, and the second guide sliding blocks 11 are embedded and arranged on the second guide rail 8, so that a guide effect is provided for the stable movement of the workbench 3 and the surrounding frames 10.

In one embodiment, the viewing window 42 is mounted on one side of the shield 16, which allows a worker to observe the processing condition of the workpiece through the viewing window 42 mounted on one side of the shield 16.

In one embodiment, a sealing door 43 is mounted on one side of the collection box 28 to facilitate the removal of the filter plates 31 and collection box 33 for cleaning by a worker opening the sealing door 43 after the completion of the job.

In one embodiment, the collection box 33 is L-shaped in cross-sectional shape.

Working principle: the utility model is provided with the protective cover 16, when in use, a worker can uniformly and fixedly mount three identical workpieces to be processed on the top surface of the workbench 3 and enable the workpieces to be processed to be positioned below the corresponding processing main shafts 18, before processing, the electric push rods 13 mounted on the bottom surfaces of the two third mounting plates 9 are started to drive the protective cover 16 to descend until the processing main shafts 18 and the workpieces to be processed are positioned on the inner sides of the protective cover 16, when in processing, the hydraulic cylinders 12 mounted on the top surface of the surrounding frame 10 push the connecting frame 23 and the processing motor 24 to descend, and simultaneously, the processing motor 24 is started to drive the processing main shafts 18 to rotate so as to mechanically process the workpieces below the processing main shafts 18, The descending height can be regulated and controlled by a numerical control system according to the processing requirement, in the processing process, the numerical control system can start the first motor 20 to drive the first screw rod 21 arranged between the first mounting plates 19 to rotate according to the processing requirement, because the first nut 37 fixedly arranged in the first moving block 36 fixedly arranged at the center of the bottom surface of the workbench 3 is meshed with the first screw rod 21, and the first guide sliding block 38 fixedly arranged at the bottom surface of the workbench 3 is embedded in the first guide rail 22 arranged on the top surface of the bottom plate 2, the workbench 3 and three workpieces can be driven to synchronously move along the direction of the first guide rail 22 along with the rotation of the first screw rod 21, and meanwhile, the numerical control system can start the second motor 15 to drive the second screw rod 14 arranged between the second mounting plates 7 to rotate according to the processing requirement, because the second nuts 26 fixedly arranged in the second moving blocks 25 fixedly arranged on the back surface of the surrounding frame 10 are meshed with the second lead screw 14, and the second guide sliding blocks 11 fixedly arranged on the back surface of the surrounding frame 10 are embedded and arranged in the second guide rail 8 arranged on the portal frame 1, the three surrounding frames 10 and the processing main shaft 18 can be driven to synchronously move along the direction of the second guide rail 8 along with the rotation of the second lead screw 14, thereby realizing the batch processing of three identical workpieces at the same time, improving the processing efficiency of the workpieces, and because the processing main shaft 18 and the workpieces to be processed are positioned on the inner side of the protective cover 16, and the protective cover 16 moves along with the movement of the surrounding frame 10, Therefore, the protective cover 16 can effectively prevent metal scraps generated in the processing process from splashing outwards to cause injury of workers, so that the three-spindle numerical control planer milling machine is safer in working, the workers can observe the processing condition of a workpiece through the observation window 42 arranged on one side of the protective cover 16, in addition, the utility model is provided with the protective cover 16, the collecting cover 17, the collecting box 28 and the recycling box, as described above, the workpiece is positioned on the inner side of the protective cover 16 in processing, the two sides of the protective cover 16 are symmetrically and fixedly provided with the side mounting plates 27, the collecting box 28 is fixedly arranged on the bottom surface of the side mounting plates 27, one side of the inner cavity of the collecting box 28 is communicated with the inner cavity of the protective cover 16 through the air suction pipe 29, The collecting cover 17 is fixedly arranged at one end of the air suction pipe 29 in the protecting cover 16, the top surface of the inner cavity of the collecting box 28 is communicated with the air outlet pipe 30 connected with the top surface of the penetrating side mounting plate 27, and the dust suction fan 6 is arranged on the air outlet pipe 30, so that in the process of processing a workpiece, a worker can start the dust suction fan 6 to suck dust and small scraps generated in the processing process of the workpiece in the protecting cover 16 into the inner cavity of the collecting box 28 through the collecting cover 17 and the air suction pipe 29, in addition, the inner wall of the collecting box 28 is symmetrically provided with the drawing sliding grooves 35, the drawing sliding blocks 34 symmetrically and fixedly arranged at two ends of the filter plate 31 provided with the filter screen 32 are clamped in the drawing sliding grooves 35, so dust and fine scraps in the air can be filtered when the dust-containing gas entering the collecting box 28 passes through the filter screen 32, and dust and fine scraps generated in the workpiece processing process can be effectively prevented from escaping into the workshop environment, the work is well protected, after the work is finished, the worker only needs to open the sealing door 43 arranged on one side of the collecting box 28, take out the filter plate 31 and the collecting box 33 for cleaning, part of larger processing scraps can move to two sides along the workbench 3 under the suction effect of the dust suction fan 6, when the larger metal scraps move to the inclined plates 5 symmetrically and fixedly arranged on two sides of the workbench 3, the larger metal scraps can slide into the recycling box 4 along the inclined plates 5, Thereby can effectively prevent great metal chip accumulation on workstation 3, ensured the processingquality of work piece, the installation slider 39 of the fixed mounting in recovery box 4 one side that sets up is blocked in the installation spout 40 that bottom plate 2 bilateral symmetry was seted up, and the workman can wait to process when ending, takes off recovery box 4, retrieves the recycling to the metal chip who gathers in the recovery box 4.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a three main shaft numerical control planer-type milling machine, includes bottom plate (2), workstation (3), encloses frame (10), protection casing (16) and filter plate (31), its characterized in that, bottom plate (2) top surface symmetry fixed mounting has first mounting panel (19), two install first lead screw (21) between first mounting panel (19), and first motor (20) output is connected to first lead screw (21) one end, workstation (3) bottom surface fixed mounting has first movable block (36), and first movable block (36) internal fixation has first nut (37) to first nut (37) and first lead screw (21) intermeshing, bottom plate (2) top surface fixed mounting has portal frame (1), and portal frame (1) one side symmetry welding has second mounting panel (7), two install second lead screw (14) between second mounting panel (7), and second lead screw (14) one end connection second motor (15) output, three frame (10) back all fixed mounting has second movable block (25), and second nut (26) and second fixed mounting panel (26) both sides are enclosed frame (26) and second fixed mounting panel (9), and electric putter (13) are installed to third mounting panel (9) bottom surface to electric putter (13) expansion end connection installs protection casing (16), protection casing (16) both sides lateral wall symmetrical welding has side mounting panel (27), and side mounting panel (27) bottom surface fixed welding has collecting box (28), collecting box (28) inner chamber one side intercommunication is connected with breathing pipe (29) one end, and breathing pipe (29) other end runs through protection casing (16) lateral wall intercommunication and is connected with collecting cover (17), collecting box (28) inner chamber top surface intercommunication is connected with outlet duct (30) that run through side mounting panel (27) top surface, and installs dust absorption fan (6) on outlet duct (30), pull spout (35) have been seted up to collecting box (28) inner wall symmetry, filter plate (31) bilateral symmetry welding has pull slider (34), and pull slider (34) block in pull spout (35), filter plate (31) central fixed mounting has filter screen (32), filter plate (31) bottom surface fixed mounting has collecting box (33).

2. The three-spindle numerical control planer type milling machine according to claim 1, wherein inclined plates (5) are symmetrically welded on the side walls of two sides of the workbench (3), mounting sliding grooves (40) are symmetrically formed in two sides of the bottom plate (2), mounting sliding blocks (39) are mounted in the mounting sliding grooves (40) in a clamping mode, one end of each mounting sliding block (39) is fixedly connected with a recovery box (4), and the recovery boxes (4) are located below the inclined plates (5).

3. The three-spindle numerical control planer type milling machine according to claim 1, wherein three hydraulic cylinders (12) are installed on the top surfaces of the surrounding frames (10), the output ends of the hydraulic cylinders (12) are fixedly connected with connecting frames (23), machining motors (24) are fixedly installed in the connecting frames (23), machining spindles (18) are installed at the output ends of the machining motors (24) in a connecting mode, three limiting holes (41) are evenly formed in the top surfaces of the protective covers (16), and the three surrounding frames (10) are symmetrically inserted into the limiting holes (41).

4. The three-spindle numerical control planer type milling machine according to claim 1, wherein first guide sliding blocks (38) are symmetrically and fixedly arranged on the bottom surface of the workbench (3), first guide rails (22) are symmetrically arranged on the top surface of the bottom plate (2), the first guide sliding blocks (38) are arranged on the first guide rails (22) in a clamping mode, second guide sliding blocks (11) are fixedly arranged on the back surfaces of the three surrounding frames (10), second guide rails (8) are fixedly arranged on one side of the portal frame (1), and the second guide sliding blocks (11) are arranged on the second guide rails (8) in a clamping mode.

5. The three-spindle numerical control planer type milling machine according to claim 1, wherein an observation window (42) is installed on one side of the protective cover (16).

6. The three-spindle numerical control planer type milling machine according to claim 1, wherein a sealing door (43) is installed on one side of the collecting box (28).

7. The three-spindle numerically controlled planer type milling machine as claimed in claim 1, wherein the cross-sectional shape of the collection box (33) is L-shaped.