CN114932445A

CN114932445A - Transmission equipment for numerical control machining of precision parts

Info

Publication number: CN114932445A
Application number: CN202210671243.2A
Authority: CN
Inventors: 林福姣
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-08-23

Abstract

The invention discloses transmission equipment for numerical control machining of precision parts, which comprises a base and a base platform, wherein a fixed seat and a sliding rail are fixedly connected to the base, a sliding groove is formed in the fixed seat, and a plurality of conveying assemblies are connected to the sliding rail in a sliding mode. According to the invention, the driving mechanism drives the plurality of conveying assemblies to move, so that bolts and nuts needing to be processed are stopped at each processing station according to the processing requirements, the conveying assemblies are continuously conveyed to the next processing station after the processing of the bolts and nuts is completed, the flowing multi-step processing is realized, the bolts and the nuts are separated through the distributing mechanism after the processing is completed, the processing efficiency is improved, the bolts and the nuts are separated through the distributing mechanism after the bolts and the nuts are transported by the conveying equipment and processed for multiple times, the next-step operation is facilitated, the functionality of the conveying equipment is improved, the waste of manpower and material resources caused by manual separation is avoided, and the increasing production requirements are met.

Description

Transmission equipment for numerical control machining of precision parts

Technical Field

The invention relates to the technical field of machining, in particular to transmission equipment for numerical control machining of precision parts.

Background

A bolt and a nut are very common mechanical parts, and the bolt is a fastener consisting of a head part and a screw (a cylinder with external threads), and needs to be matched with the nut for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection. The same specification of nut and bolt can be connected together.

When carrying out precision machining to parts such as screw, nut, need pass through the processing of a plurality of steps, the course of working generally needs the conveying of transmission equipment, but current transmission equipment only can be used for transmitting article, and the function is comparatively single, needs a large amount of manual operation simultaneously, is difficult to satisfy growing production needs.

Disclosure of Invention

The invention aims to: in order to solve the problems, the conveying equipment for the numerical control machining of the precision parts is provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

the transmission equipment for numerical control machining of the precision parts comprises a base and a base platform, wherein a fixed seat and a slide rail are fixedly connected to the base, a slide groove is formed in the fixed seat, and a plurality of conveying assemblies are connected to the slide rail in a sliding manner;

the transportation assembly comprises a bottom plate which is in sliding connection with the sliding groove, a pulley is embedded in the sliding rail and is rotationally connected with the bottom plate through a support shaft, a vertical rod is fixedly connected with one side, close to the sliding rail, of the bottom plate, a baffle and a placing frame are fixedly connected with the upper end face of the bottom plate, a notch is formed in the bottom plate located inside the placing frame, and a cover plate is hinged to the inner side of the notch;

a connecting rod is arranged between two adjacent transportation assemblies, two ends of the connecting rod are respectively and rotatably connected with two adjacent bottom plates, a driving mechanism for driving the transportation assemblies to move is arranged on the fixing seat, a through groove matched with the notch and the cover plate is formed in the fixing seat, and a material distribution mechanism is arranged below the through groove;

feed mechanism include with base station fixed connection's supporting seat, be equipped with the vibration dish on the supporting seat, it is equipped with the feeding storehouse to lead to the groove below, feeding storehouse lower extreme passes through connecting pipe and vibration dish intercommunication, be equipped with the conveyer belt on the base station, the conveyer belt outside is equipped with spacing, the output of vibration dish is equipped with the track with conveyer belt matched with, the base station is kept away from supporting seat one end both sides fixedly connected with respectively and is first placed the case and the case is placed to the second, the base station is kept away from the first stopper of up end fixedly connected with of track one end, fixedly connected with second stopper on the first stopper, form first passageway between first stopper and the spacing, form the second passageway between second stopper and the spacing.

Preferably, actuating mechanism includes backup pad, driving piece, support frame, connecting axle and threaded rod, backup pad and fixing base fixed connection, fixedly connected with driving piece and support frame in the backup pad, rotate on the support frame and be connected with the threaded rod with pole setting matched with, the connecting axle of the coaxial setting of output fixedly connected with of driving piece, connecting axle and the coaxial fixed connection of threaded rod one end.

Preferably, the drive member is a servo motor.

Preferably, the threaded rod has a length greater than the spacing between two adjacent uprights.

Preferably, the feeding bin is located under the through groove, and the feeding bin and the connecting pipe are of an integrally formed structure.

Preferably, the size of the through groove is matched with the cover plate, and the inner side wall of the through groove, which is in contact with the cover plate, is an inclined surface.

Preferably, the inclined angle of the inclined surface of the inner side wall of the through groove is 30-45 degrees.

Preferably, the fixing seat and the sliding rail are both in a shape of a kidney-shaped circle, and the sliding rail is located on the inner side of the fixing seat.

Preferably, the outlets of the first channel and the second channel are provided with inclined plates, and the lower ends of the two inclined plates extend to the upper parts of the first placing box and the second placing box respectively.

Preferably, the feeding bin, the connecting pipe, the first box and the second box are all provided with a protective pad.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

the multi-step processing of the flowing water type is realized by arranging a plurality of transportation assemblies, placing bolts and nuts to be processed into a placing frame, driving a threaded rod to rotate through a driving piece, enabling a vertical rod to move along with the rotation of the threaded rod, driving a bottom plate to slide on a fixed seat, simultaneously sliding a pulley in a sliding rail, driving a plurality of transportation assemblies to synchronously move through a connecting rod, stopping at each processing station according to processing requirements, continuously transporting the bolts and the nuts to the next processing station through the transportation assemblies after the processing of the bolts and the nuts is completed, transporting the bolts and the nuts to a through groove on the fixed seat through the transportation assemblies, enabling a cover plate on the bottom plate to lose the blocking of the fixed seat, rotating to be attached to an inclined plane in the through groove due to gravity, and enabling the bolts and the nuts in the placing frame to freely fall through gaps and the through groove, the bolt and the nut are orderly arranged by the vibrating disc and move to the conveying belt by the track, when the bolt and the nut move to the second limit block, the bolt enters the second placing box from the second channel due to the higher height of the screw rod of the bolt and the stop of the second limit block, and the nut passes through the lower part of the second limit block until contacting with the first limit block, and enters the first placing box from the first channel due to the stop of the first limit block, thereby realizing the separation of the bolt and the nut, improving the processing efficiency, realizing the separation of the bolt and the nut by the material distribution mechanism after the bolt and the nut are transported to finish the processing for many times, being convenient for the operation of the next step, improving the functionality of the transporting equipment, avoiding the waste of manpower and material resources caused by manual separation, more in line with the increasing production needs.

Drawings

FIG. 1 is a schematic diagram illustrating an overall structure of an apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic diagram illustrating a transport assembly and drive mechanism configuration provided in accordance with an embodiment of the present invention;

FIG. 3 illustrates a schematic structural view of a transport assembly provided according to an embodiment of the present invention;

FIG. 4 illustrates an exploded view of a transport assembly construction provided in accordance with an embodiment of the present invention;

fig. 5 is an exploded view illustrating an overall structure of an apparatus provided according to an embodiment of the present invention;

FIG. 6 is a schematic diagram illustrating the structural cooperation of a transport assembly and a feed mechanism provided in accordance with an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a material separating mechanism provided according to an embodiment of the invention;

fig. 8 is an exploded view of a distributor structure provided in accordance with an embodiment of the present invention;

fig. 9 shows an exploded view of a partial structure of the material distribution mechanism provided according to the embodiment of the invention.

Illustration of the drawings:

1. a base; 2. a fixed seat; 3. a slide rail; 4. a chute; 5. a base plate; 6. a pulley; 7. a support shaft; 8. erecting a rod; 9. a baffle plate; 10. placing the frame; 11. a cover plate; 12. a connecting rod; 13. a support plate; 14. a drive member; 15. a support frame; 16. a connecting shaft; 17. a threaded rod; 18. a through groove; 19. a feeding bin; 20. a connecting pipe; 21. vibrating the disc; 22. a supporting seat; 23. a track; 24. a base station; 25. a conveyor belt; 26. a limiting strip; 27. a first holding box; 28. a second holding box; 29. a first stopper; 30. a second limiting block; 31. a first channel; 32. a second channel; 33. an inclined plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution:

a transmission device for numerical control machining of precision parts comprises a base 1 and a base table 24, wherein a fixed seat 2 and a sliding rail 3 are fixedly connected to the base 1, a sliding groove 4 is formed in the fixed seat 2, and a plurality of conveying assemblies are slidably connected to the sliding rail 3; the transportation assembly comprises a bottom plate 5 which is in sliding connection with the sliding groove 4, a pulley 6 is embedded in the sliding rail 3, the pulley 6 is rotatably connected with the bottom plate 5 through a supporting shaft 7, one side, close to the sliding rail 3, of the bottom plate 5 is fixedly connected with an upright rod 8, the upper end face of the bottom plate 5 is fixedly connected with a baffle 9 and a placing frame 10, a notch is formed in the bottom plate 5 positioned in the placing frame 10, and a cover plate 11 is hinged to the inner side of the notch; a connecting rod 12 is arranged between two adjacent conveying assemblies, two ends of the connecting rod 12 are respectively rotatably connected with two adjacent bottom plates 5, a driving mechanism for driving the conveying assemblies to move is arranged on the fixed seat 2, a through groove 18 matched with the notch and the cover plate 11 is formed in the fixed seat 2, and a material distributing mechanism is arranged below the through groove 18; feed mechanism includes the supporting seat 22 with 24 fixed connection of base station, be equipped with vibration dish 21 on the supporting seat 22, it is equipped with feeding storehouse 19 to lead to groove 18 below, feeding storehouse 19 lower extreme passes through connecting pipe 20 and vibration dish 21 intercommunication, be equipped with conveyer belt 25 on the base station 24, the conveyer belt 25 outside is equipped with spacing 26, the output of vibration dish 21 is equipped with the track 23 with conveyer belt 25 matched with, base station 24 is kept away from supporting seat 22 one end both sides fixedly connected with respectively and is first place case 27 and second and place case 28, the first stopper 29 of up end fixedly connected with of track 23 one end is kept away from to base station 24, fixedly connected with second stopper 30 on the first stopper 29, form first passageway 31 between first stopper 29 and the spacing 26, form second passageway 32 between second stopper 30 and the spacing 26. Actuating mechanism includes backup pad 13, driving piece 14, support frame 15, connecting axle 16 and threaded rod 17, backup pad 13 and 2 fixed connection of fixing base, fixedly connected with driving piece 14 and support frame 15 on the backup pad 13, rotate on the support frame 15 and be connected with pole setting 8 matched with threaded rod 17, connecting axle 16 of the coaxial setting of output fixedly connected with of driving piece 14, connecting axle 16 and the coaxial fixed connection of threaded rod 17 one end. The drive member 14 is a servo motor. The length of the threaded rod 17 is greater than the distance between two adjacent uprights 8. The feeding bin 19 is located right below the through groove 18, and the feeding bin 19 and the connecting pipe 20 are of an integrally formed structure. The size of the through groove 18 is matched with that of the cover plate 11, and the inner side wall of the through groove 18, which is contacted with the cover plate 11, is an inclined surface. The inclined angle of the inclined surface of the inner side wall of the through groove 18 is 30-45 degrees. Fixing base 2 and slide rail 3 are the waist circle shape, and slide rail 3 is located the inboard of fixing base 2. The outlets of the first passage 31 and the second passage 32 are provided with inclined plates 33, and the lower ends of the two inclined plates 33 extend to the upper side of the first placing box 27 and the second placing box 28, respectively. The interior of the feeding bin 19, the connecting pipe 20, the first placing box 27 and the second placing box 28 are all provided with protective pads.

Specifically, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8 and fig. 9, a fixed seat 2 and a slide rail 3 are fixedly connected to a base 1, a slide groove 4 is formed in the fixed seat 2, and a plurality of transport assemblies are slidably connected to the slide rail 3; the transportation assembly comprises a bottom plate 5 which is in sliding connection with the sliding groove 4, a pulley 6 is embedded in the sliding rail 3, the pulley 6 is rotatably connected with the bottom plate 5 through a supporting shaft 7, one side, close to the sliding rail 3, of the bottom plate 5 is fixedly connected with an upright rod 8, the upper end face of the bottom plate 5 is fixedly connected with a baffle 9 and a placing frame 10, a notch is formed in the bottom plate 5 positioned in the placing frame 10, and a cover plate 11 is hinged to the inner side of the notch; a connecting rod 12 is arranged between two adjacent conveying assemblies, two ends of the connecting rod 12 are respectively rotatably connected with two adjacent bottom plates 5, a driving mechanism for driving the conveying assemblies to move is arranged on the fixed seat 2, a through groove 18 matched with the notch and the cover plate 11 is formed in the fixed seat 2, and a material distributing mechanism is arranged below the through groove 18; feed mechanism includes the supporting seat 22 with 24 fixed connection of base station, be equipped with vibration dish 21 on the supporting seat 22, it is equipped with feeding storehouse 19 to lead to groove 18 below, feeding storehouse 19 lower extreme passes through connecting pipe 20 and vibration dish 21 intercommunication, be equipped with conveyer belt 25 on the base station 24, the conveyer belt 25 outside is equipped with spacing 26, the output of vibration dish 21 is equipped with the track 23 with conveyer belt 25 matched with, base station 24 is kept away from supporting seat 22 one end both sides fixedly connected with respectively and is first place case 27 and second and place case 28, the first stopper 29 of up end fixedly connected with of track 23 one end is kept away from to base station 24, fixedly connected with second stopper 30 on the first stopper 29, form first passageway 31 between first stopper 29 and the spacing 26, form second passageway 32 between second stopper 30 and the spacing 26. Through being equipped with a plurality of transportation subassemblies, place the bolt and the nut that need to carry out processing in placing frame 10, drive threaded rod 17 through driving piece 14 and rotate, make pole setting 8 remove along with the rotation of threaded rod 17, thereby drive bottom plate 5 and slide on fixing base 2, pulley 6 slides in slide rail 3 simultaneously, and drive a plurality of transportation subassemblies synchronous motion through connecting rod 12, and stop at each processing station department according to the processing demand, continue to transport to next processing station department by transportation subassembly after processing completion of this place, thereby realize the processing of running water formula multistep, after bolt and nut that lie in placing frame 10 accomplish whole processing, transport to logical groove 18 department on fixing base 2 by transportation subassembly, apron 11 on bottom plate 5 loses the blockking of fixing base 2 at this moment, because of the reason of gravity and rotate to laminate with logical inslot 18 inclined plane, the bolts and nuts in the placing frame 10 freely fall through the notches and the through grooves 18, enter the vibrating disc 21 through the feeding bin 19 and the connecting pipes 20, are sequentially arranged through the vibrating disc 21 and move to the conveying belt 25 through the rails 23, when the bolts and nuts move to the second limiting block 30, the bolts enter the second placing box 28 from the second channel 32 due to the higher height of the screw of the bolts because of the blocking of the second limiting block 30, and the nuts pass below the second limiting block 30 until contacting with the first limiting block 29, and enter the first placing box 27 through the first channel 31 due to the blocking of the first limiting block 29, so that the separation of the bolts and nuts is realized, the processing efficiency is improved, the separation of the bolts and nuts by the separating mechanism is realized after the bolts and the nuts are transported and processed for a plurality of times, the operation of next step is convenient, the functionality of the transportation equipment is improved, the waste of manpower and material resources caused by manual separation is avoided, and the method is more in line with the increasing production requirement.

Specifically, as shown in fig. 1, fig. 2, fig. 5 and fig. 6, the driving mechanism includes a supporting plate 13, a driving member 14, a supporting frame 15, a connecting shaft 16 and a threaded rod 17, the supporting plate 13 is fixedly connected with the fixing seat 2, the driving member 14 and the supporting frame 15 are fixedly connected with the supporting plate 13, the threaded rod 17 matched with the vertical rod 8 is rotatably connected with the supporting frame 15, the connecting shaft 16 is coaxially arranged and fixedly connected with the output end of the driving member 14, and the connecting shaft 16 is coaxially and fixedly connected with one end of the threaded rod 17. The drive member 14 is a servo motor. The length of the threaded rod 17 is greater than the distance between two adjacent uprights 8. Servo motor's setting makes opening and stopping that the transportation subassembly can be anytime and anywhere, and the bolt and nut of being convenient for carry out processing many times, and the length of threaded rod 17 is greater than the interval of two adjacent pole settings 8 simultaneously for all there is at least one pole setting 8 to cooperate with it at any time in the thread groove of threaded rod 17, has guaranteed that a plurality of transportation subassemblies can come the pulling through connecting rod 12.

Specifically, as shown in fig. 1, 2, 4, 5 and 6, the feeding bin 19 is located right below the through slot 18, and the feeding bin 19 and the connecting pipe 20 are of an integrally formed structure. The size of the through groove 18 is matched with that of the cover plate 11, and the inner side wall of the through groove 18, which is contacted with the cover plate 11, is an inclined surface. The inclined angle of the inclined surface of the inner side wall of the through groove 18 is 30-45 degrees. The inclined plane is arranged so that the cover plate 11 can be separated from the through groove 18 more easily when the driving member 14 drives the transportation assembly to move after the cover plate 11 is moved to the through groove 18 and falls, and then the bolts and nuts in the frame 10 are placed and fall, so that the transportation assembly can be transported next time.

Specifically, as shown in fig. 1, 2, 5, 6, 7, 8, and 9, the fixing base 2 and the slide rail 3 are both in a shape of a kidney-shaped circle, and the slide rail 3 is located inside the fixing base 2. The outlets of the first passage 31 and the second passage 32 are provided with inclined plates 33, and the lower ends of the two inclined plates 33 extend to the upper side of the first placing box 27 and the second placing box 28, respectively. The feeding bin 19, the connecting pipe 20, the first placing box 27 and the second placing box 28 are all provided with protective pads inside. Be equipped with fixing base 2 and slide rail 3 for transportation assembly stability when removing is higher, and the setting of protection pad can be avoided the bolt and the nut to receive the damage at the whereabouts in-process.

In summary, in the transmission device for numerical control machining of precision parts provided in this embodiment, firstly, the bolts and nuts to be machined are placed in the placement frame 10, the driving member 14 drives the threaded rod 17 to rotate, so that the upright rod 8 moves along with the rotation of the threaded rod 17, the bottom plate 5 is driven to slide on the fixed base 2, meanwhile, the pulley 6 slides in the slide rail 3, the connecting rod 12 drives the plurality of transportation assemblies to synchronously move, and the transportation assemblies stop at each machining station according to the machining requirement, the transportation assemblies continue to transport to the next machining station after the machining of the upright rod 8 is completed, after the bolts and nuts in the placement frame 10 are completely machined, the transportation assemblies transport to the through groove 18 on the fixed base 2, at this time, the cover plate 11 on the bottom plate 5 loses the blocking of the fixed base 2, and rotates to be attached to the inclined plane in the through groove 18 due to gravity, the bolts and nuts in the placing frame 10 are enabled to freely fall through the notches and the through groove 18, enter the vibration disc 21 through the feeding bin 19 and the connecting pipe 20, are sequentially arranged through the vibration disc 21 and are moved to the conveyor belt 25 through the rail 23, when the bolts and nuts move to the second limit block 30, the bolts are stopped by the second limit block 30 due to the higher height of the screw of the bolts, enter the second placing box 28 from the second passage 32, and the nuts pass below the second limit block 30 until contacting with the first limit block 29, are stopped by the first limit block 29 and enter the first placing box 27 through the first passage 31, so that the separation of the bolts and the nuts is realized, after the bolts and the nuts in the placing frame 10 fall down, the driving part 14 continues to drive the transportation assembly to move, so that the inner cover plate 11 positioned in the through groove 18 moves along the inclined plane of the through groove 18, after the cover plate 11 is separated from the through groove 18, the gap is closed again by the blocking of the fixed seat 2, the bolt and the nut which need to be processed are put in again, and the above operations are repeated to carry out the next processing.

The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The transmission equipment for numerical control machining of the precision parts comprises a base (1) and a base table (24), and is characterized in that the base (1) is fixedly connected with a fixed seat (2) and a sliding rail (3), the fixed seat (2) is provided with a sliding groove (4), and the sliding rail (3) is connected with a plurality of transportation components in a sliding manner;

the conveying assembly comprises a bottom plate (5) which is in sliding connection with the sliding groove (4), a pulley (6) is embedded in the sliding rail (3), the pulley (6) is rotatably connected with the bottom plate (5) through a supporting shaft (7), one side, close to the sliding rail (3), of the bottom plate (5) is fixedly connected with an upright rod (8), the upper end face of the bottom plate (5) is fixedly connected with a baffle (9) and a placing frame (10), a notch is formed in the bottom plate (5) located inside the placing frame (10), and a cover plate (11) is hinged to the inner side of the notch;

a connecting rod (12) is arranged between two adjacent conveying assemblies, two ends of the connecting rod (12) are respectively rotatably connected with two adjacent bottom plates (5), a driving mechanism for driving the conveying assemblies to move is arranged on the fixed seat (2), a through groove (18) matched with the notch and the cover plate (11) is formed in the fixed seat (2), and a material distributing mechanism is arranged below the through groove (18);

the feed mechanism comprises a supporting seat (22) fixedly connected with a base station (24), a vibrating disc (21) is arranged on the supporting seat (22), a feeding bin (19) is arranged below the through groove (18), the lower end of the feeding bin (19) is communicated with the vibrating disc (21) through a connecting pipe (20), a conveying belt (25) is arranged on the base station (24), a limiting strip (26) is arranged on the outer side of the conveying belt (25), a track (23) matched with the conveying belt (25) is arranged at the output end of the vibrating disc (21), the two sides of one end of the supporting seat (22) are kept away from the base station (24), a first placing box (27) and a second placing box (28) are fixedly connected with the two sides respectively, a first limiting block (29) is fixedly connected with the upper end face of one end of the track (23) is kept away from the base station (24), a second limiting block (30) is fixedly connected with the first limiting block (29), a first channel (31) is formed between the first limiting block (29) and the limiting strip (26), and a second channel (32) is formed between the second limiting block (30) and the limiting strip (26).

2. The conveying equipment for numerical control machining of precision parts according to claim 1, characterized in that actuating mechanism includes backup pad (13), driving piece (14), support frame (15), connecting axle (16) and threaded rod (17), backup pad (13) and fixing base (2) fixed connection, fixedly connected with driving piece (14) and support frame (15) on backup pad (13), rotating connection has threaded rod (17) with pole setting (8) matched with on support frame (15), the output fixedly connected with connecting axle (16) of coaxial setting of driving piece (14), connecting axle (16) and the coaxial fixed connection of threaded rod (17) one end.

3. The transmission equipment for numerical control machining of precision parts according to claim 2, characterized in that the driving member (14) is a servo motor.

4. The transmission equipment for the numerical control machining of precision parts according to claim 2, characterized in that the length of the threaded rod (17) is greater than the distance between two adjacent uprights (8).

5. The conveying equipment for numerical control machining of the precision parts as claimed in claim 1, wherein the feeding bin (19) is located right below the through groove (18), and the feeding bin (19) and the connecting pipe (20) are of an integrally formed structure.

6. The conveying equipment for numerical control machining of the precision parts is characterized in that the through groove (18) is matched with the cover plate (11) in size, and the inner side wall of the through groove (18) contacting with the cover plate (11) is an inclined surface.

7. The conveying equipment for numerical control machining of precision parts according to claim 6, characterized in that the inclined angle of the inclined surface of the inner side wall of the through groove (18) is 30-45 °.

8. The conveying equipment for the numerical control machining of the precision parts as claimed in claim 1, wherein the fixed seat (2) and the slide rail (3) are both in the shape of a kidney-shaped circle, and the slide rail (3) is positioned on the inner side of the fixed seat (2).

9. The conveying equipment for numerical control machining of precision parts according to claim 1, characterized in that the outlets of the first channel (31) and the second channel (32) are provided with inclined plates (33), and the lower ends of the two inclined plates (33) extend to the upper parts of the first placing box (27) and the second placing box (28), respectively.

10. The conveying equipment for numerical control machining of the precision parts is characterized in that protective pads are arranged inside the feeding bin (19), the connecting pipe (20), the first placing box (27) and the second placing box (28).