A quick-loading machine tool for processing small metal parts

Abstract

The present invention relates to the technical field of metal parts processing, and specifically to a small metal parts processing quick loading machine tool, which comprises a small metal parts processing machine tool frame, a turntable, a first clamping assembly and a second clamping assembly. A rotating shaft is rotatably mounted on the small metal parts processing machine tool frame, and the end of the rotating shaft is connected to the output shaft of a servo motor on the small metal parts processing machine tool frame through a coupling. The servo motor is provided with a self-locking structure, and the turntable is fixedly mounted on the rotating shaft. Through the alternating operation of the first clamping assembly and the second clamping assembly, the small metal parts on the first clamping assembly can be unloaded and another small metal part can be loaded while the small metal parts on the first clamping assembly are being processed, thereby effectively saving the waiting time for loading and unloading the small metal parts, thereby achieving the purpose of improving production efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of metal parts processing, in particular to a small metal parts processing and quick-loading machine tool. Background Art

[0002] Metal parts refer to metal blocks, metal bars, metal tubes, etc. of various specifications and shapes made of metal materials, while small metal parts refer to smaller parts. The processing of small metal parts involves cutting and other processing methods. During the cutting process, the workpiece needs to be loaded and unloaded.

[0003] The existing Chinese patent document with announcement number CN111230157B discloses a cutting machine tool for metal component processing, which includes a tool holder, a cutting component receiving device, a control console, an internal control light, a workpiece holder, a safety door, and a machine tool. The tool holder is welded and fixed inside the machine tool, the cutting component receiving device is arranged inside the cutting component receiving device, the internal control light is fixedly installed at the top of the machine tool, the safety door is movably connected with the machine tool, the workpiece holder is arranged on the right side of the tool holder, and the control console is fixedly installed on the upper left side of the machine tool; however, when the machine tool is actually processing, it is necessary to wait until the previous workpiece is processed, and then remove the processed workpiece from the workpiece seat by a manipulator, and then send the next part to be processed to the workpiece seat for positioning by the manipulator, and then perform cutting processing by a tool. This process takes a certain time in the process of loading and unloading the workpiece, thereby affecting the processing efficiency of the workpiece to a certain extent. For this reason, the present invention proposes a small metal part processing quick loading machine tool to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a small metal parts processing quick loading machine tool to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a small metal parts processing quick loading machine tool, the small metal parts processing quick loading machine tool comprising:

[0006] A small metal parts processing machine tool frame, wherein a rotating shaft is rotatably mounted on the small metal parts processing machine tool frame, and an end of the rotating shaft is connected to an output shaft of a servo motor on the small metal parts processing machine tool frame through a coupling, and the servo motor is provided with a self-locking structure;

[0007] A turntable, wherein the turntable is fixedly mounted on a rotating shaft;

[0008] A first clamping assembly, wherein the first clamping assembly is fixedly mounted on the turntable;

[0009] A second clamping assembly, wherein the structure of the second clamping assembly is the same as that of the first clamping assembly, and the second clamping assembly and the first clamping assembly are symmetrically arranged with the rotation axis as the symmetry center;

[0010] The first clamping assembly and the second clamping assembly are used to position and clamp the small metal parts to be processed.

[0011] Preferably, the first clamping assembly is composed of a mounting tube, a clamping seat, a positioning tube and a supporting spring combination, the front end of the mounting tube is fixedly mounted on the turntable, and a primary guide rod hole and a secondary guide rod hole are opened on the side wall of the mounting tube, and six primary guide rod holes and secondary guide rod holes are arranged around the circumference of the mounting tube, a primary support ring is integrally formed on the outer wall of the mounting tube, a primary guide rod and a secondary guide rod are integrally formed on the outer wall of the clamping seat, the primary guide rod and the secondary guide rod are respectively movably arranged in the primary guide rod hole and the secondary guide rod hole, a spring positioning ring is installed on the primary guide rod and the secondary guide rod, a reset spring is connected to the spring positioning ring, a secondary support ring is integrally formed on the inner side wall of the positioning tube, the secondary support ring is movably sleeved on the mounting tube, the supporting spring is sleeved on the mounting tube, and both ends of the supporting spring are respectively connected to the primary support ring and the secondary support ring.

[0012] Preferably, the primary guide rod is longer than the secondary guide rod, and the outer ends of the primary guide rod and the secondary guide rod are both wedge-shaped, and the outer end faces of the primary guide rod and the secondary guide rod are located on the same plane, the inner wall of the positioning tube is wedge-shaped, and the slope value of the inner wall of the positioning tube is consistent with the slope value of the outer end faces of the primary support ring and the secondary support ring, and when the reset spring is in the reset state, the outer wall of the clamping seat is set against the inner wall of the mounting tube.

[0013] Preferably, a primary force-bearing seat is connected to the frame of the small metal parts processing machine tool through a primary connecting rod, and the primary force-bearing seat is composed of a primary seat body, a secondary seat body, a tertiary seat body and a fourth seat body, and the primary seat body, the secondary seat body, the tertiary seat body and the fourth seat body are connected end to end in sequence, the primary seat body and the tertiary seat body are arranged perpendicular to the horizontal plane, the secondary seat body is arranged inclined, and the fourth seat body and the secondary seat body are arranged symmetrically, and the inner end face of the positioning tube is integrally formed with a primary force-bearing protrusion, and the primary force-bearing protrusion is arranged in a hemispherical shape. When the primary force-bearing protrusion is against the primary seat body, the reset spring is in a reset state, and at this time, the support spring is in a reset state, and when the primary force-bearing protrusion is against the tertiary seat body, the inner side surface of the clamping seat forms a clamping position for the small metal part to be processed, and at this time, the support spring is in a compressed state.

[0014] Preferably, a piston seat is connected to the inner side wall of the mounting tube via a connecting plate, a piston chamber sealing cover is installed on the open end of the piston chamber of the piston seat via a positioning screw, a piston rod hole is provided on the piston chamber sealing cover, and a piston is movably arranged in the piston chamber of the piston seat, a piston rod is fixedly connected to the piston, the piston rod passes through the piston rod hole on the piston chamber sealing cover, an air hole is provided on the bottom surface of the piston chamber, a holding spring groove is provided on the end surface of the piston, a holding spring is movably arranged in the holding spring groove, and a secondary force bearing seat is connected to the frame of the small metal parts processing machine tool via a secondary connecting rod.

[0015] Preferably, the secondary force-bearing seat is composed of a five-level seat body, a six-level seat body, a seven-level seat body and an eight-level seat body, the five-level seat body, the six-level seat body, the seven-level seat body and the eight-level seat body are connected in sequence end to end, the five-level seat body and the seven-level seat body are vertically arranged to the horizontal plane, the six-level seat body is inclined, the eight-level seat body and the six-level seat body are symmetrically arranged, the end of the piston rod is hemispherical, when the piston rod abuts against the five-level seat body, the holding spring is in a reset state, when the piston rod abuts against the seven-level seat body, the piston is in contact with the bottom surface of the piston cavity, and at this time, the holding spring is in a compressed state, the covering area of ​​the first-level seat body is located in the covering area of ​​the five-level seat body, and the covering area of ​​the three-level seat body is located in the covering area of ​​the seven-level seat body.

[0016] Preferably, the clamping seat is provided with a main air channel, a secondary air channel and an adsorption chamber, the adsorption chamber is located on the inner side of the clamping seat, and the adsorption chamber is connected with the main air channel through the secondary air channel, an air pipe connecting port is provided on the side wall at the port position of the piston chamber, and the air pipe connecting port is connected with the main air channel through an air pipe, a sealing groove is provided at the edge of the adsorption chamber, an elastic sealing rubber ring is fixedly glued in the sealing groove, and when the piston rod is against the seven-stage seat body, negative pressure is formed in the adsorption chamber due to the movement of the piston, and at this time, the elastic sealing rubber ring is in a compressed state.

[0017] Preferably, the front and rear ends of the inner side walls of the clamping seat are provided with pre-positioning piece installation grooves, the bottom of the pre-positioning piece installation groove is fixedly glued with a pre-positioning piece, the pre-positioning piece is in a hexagonal frame structure, and the pre-positioning piece is cast from spring steel, when the first-level force-bearing protrusion is against the first-level seat body, the pre-positioning piece is in a reset state, and at this time, the end of the pre-positioning piece pops out to the outside of the pre-positioning piece installation groove, and forms a pre-positioning clamp for the small metal part to be processed.

[0018] Preferably, the inner end face of the positioning tube is integrally formed with a secondary force-bearing protrusion, and a three-level force-bearing seat is connected to the frame of the small metal parts processing machine tool through a three-level connecting rod. The secondary force-bearing protrusion and the primary force-bearing protrusion are symmetrically arranged, and the three-level force-bearing seat and the primary force-bearing seat are similar bodies, and the secondary force-bearing protrusion and the primary force-bearing protrusion are synchronously stressed.

[0019] Preferably, the side walls of the primary guide rod and the secondary guide rod are provided with guide grooves, annular grooves and engaging grooves, and the guide grooves and the engaging grooves are symmetrically arranged in a group, and the guide grooves and the engaging grooves are connected to the annular grooves. A engaging seat is integrally formed on the inner side wall of the spring positioning ring, and the cross-sectional dimensions of the engaging seat, guide grooves and engaging grooves are consistent. The spring positioning ring is sleeved and installed on the primary guide rod, and when the spring positioning ring is actually installed, the engaging seat is embedded in the engaging groove.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. A small metal parts processing quick loading machine tool is provided which is composed of a small metal parts processing machine tool frame, a turntable, a first clamping assembly and a second clamping assembly, so that the first clamping assembly and the second clamping assembly are alternately operated, so that when the small metal parts on the first clamping assembly are being processed, the small metal parts on the second clamping assembly can be unloaded and another small metal part can be loaded, thereby effectively saving the loading and unloading waiting time of the small metal parts, thereby achieving the purpose of improving production efficiency;

[0022] 2. By configuring the first clamping assembly to be composed of a mounting tube, a clamping seat, a positioning tube and a supporting spring, and by configuring a first-level force-bearing seat composed of a first-level seat body, a second-level seat body, a third-level seat body and a fourth-level seat body, the first clamping assembly and the second clamping assembly can automatically clamp and release small metal parts during position exchange, thereby reducing the use of the driving structure and effectively optimizing the overall driving structure of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the present invention;

[0024] Figure 2 A half-section view of the present invention;

[0025] Figure 3 for Figure 2 A schematic diagram of the structure enlargement in the middle;

[0026] Figure 4 for Figure 3 A magnified schematic diagram of the structure at B in the middle;

[0027] Figure 5 for Figure 3 A magnified schematic diagram of the structure at C in the middle;

[0028] Figure 6 for Figure 5 A magnified schematic diagram of the structure at D in the middle;

[0029] Figure 7 This is a schematic diagram of the positioning tube structure of the present invention;

[0030] Figure 8 This is a schematic diagram of the installation pipe structure of the present invention;

[0031] Fig. 9 for Figure 8 The enlarged schematic diagram of the structure at E in the middle;

[0032] Fig.10 for Fig. 9 The enlarged schematic diagram of the structure at F in the middle;

[0033] Fig.11 This is a schematic diagram of the structure of the clamping seat of the present invention;

[0034] Fig.12 This is a schematic diagram of the structure of the spring positioning ring of the present invention;

[0035] Fig.13 It is a distribution diagram of the primary force bearing seat, the secondary force bearing seat and the tertiary force bearing seat of the present invention;

[0036] Fig.14 It is a side view of the primary force bearing seat and the secondary force bearing seat of the present invention.

[0037] In the figure: a small metal parts processing machine tool frame 1, a turntable 2, a first clamping assembly 3, a second clamping assembly 4, a rotating shaft 5, a small metal part 6, a mounting tube 7, a clamping seat 8, a positioning tube 9, a support spring 10, a primary guide rod 11, a secondary guide rod 12, a primary support ring 13, a secondary support ring 14, a spring positioning ring 15, a return spring 16, a primary force protrusion 17, a primary connecting rod 18, a primary force seat 19, a connecting plate 20, a piston seat 21, a piston chamber sealing cover 22, a piston 23, and a piston rod 2 4. Supporting spring 25, air hole 26, secondary force-bearing seat 27, main air channel 28, secondary air channel 29, adsorption chamber 30, elastic sealing rubber ring 31, pre-positioning member mounting groove 32, pre-positioning member 33, secondary force-bearing protrusion 34, tertiary force-bearing seat 35, primary seat body 36, secondary seat body 37, tertiary seat body 38, fourth seat body 39, fifth seat body 40, sixth seat body 41, seventh seat body 42, eighth seat body 43, air pipe 44, guide groove 45, annular groove 46, engaging groove 47, engaging seat 48. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] See also Figure 1-Figure 14 The present invention provides the following five preferred embodiments:

[0040] Embodiment 1

[0041] A small metal parts processing quick loading machine tool, the small metal parts processing quick loading machine tool comprises a small metal parts processing machine tool frame 1, a turntable 2, a first clamping assembly 3 and a second clamping assembly 4, a rotating shaft 5 is rotatably installed on the small metal parts processing machine tool frame 1, the end of the rotating shaft 5 is connected to the output shaft of the servo motor on the small metal parts processing machine tool frame 1 through a coupling, the servo motor is provided with a self-locking structure, the turntable 2 is fixedly installed on the rotating shaft 5, the first clamping assembly 3 is fixedly installed on the turntable 2, the structure of the second clamping assembly 4 is the same as that of the first clamping assembly 3, and the second clamping assembly 4 and the first clamping assembly 3 are symmetrically arranged with the rotating shaft 5 as the symmetry center, the first clamping assembly 3 and the second clamping assembly 4 are used to position and clamp the small metal parts 6 to be processed, and the first clamping assembly 3 is composed of a mounting tube 7, a clamping seat 8, a positioning tube 9 and a support spring 10 The front end of the mounting tube 7 is fixedly mounted on the turntable 2, and a primary guide rod hole and a secondary guide rod hole are provided on the side wall of the mounting tube 7, and six primary guide rod holes and secondary guide rod holes are provided around the circumference of the mounting tube 7, a primary support ring 13 is integrally formed on the outer wall of the mounting tube 7, a primary guide rod 11 and a secondary guide rod 12 are integrally formed on the outer wall of the clamping seat 8, the primary guide rod 11 and the secondary guide rod 12 are movably arranged in the primary guide rod hole and the secondary guide rod hole respectively, a spring positioning ring 15 is installed on the primary guide rod 11 and the secondary guide rod 12, a reset spring 16 is connected to the spring positioning ring 15, a secondary support ring 14 is integrally formed on the inner wall of the positioning tube 9, the secondary support ring 14 is movably sleeved on the mounting tube 7, a support spring 10 is sleeved on the mounting tube 7, and both ends of the support spring 10 are respectively connected to the primary support ring 13 and the secondary support ring 14.

[0042] The primary guide rod 11 is longer than the secondary guide rod 12, and the outer ends of the primary guide rod 11 and the secondary guide rod 12 are both wedge-shaped, and the outer end faces of the primary guide rod 11 and the secondary guide rod 12 are located on the same plane. The inner wall of the positioning tube 9 is wedge-shaped, and the slope value of the inner wall of the positioning tube 9 is consistent with the slope value of the outer end faces of the primary support ring 13 and the secondary support ring 14. When the reset spring 16 is in the reset state, the outer wall of the clamping seat 8 is set against the inner wall of the mounting tube 7. By setting the small metal parts processed A small metal parts processing quick loading machine tool is composed of a machine tool frame 1, a turntable 2, a first clamping assembly 3 and a second clamping assembly 4. Through the alternating operation of the first clamping assembly 3 and the second clamping assembly 4, when the small metal part 6 on the first clamping assembly 3 is being processed, the small metal part 6 on the second clamping assembly 4 can be unloaded and another small metal part 6 can be loaded, thereby effectively saving the loading and unloading waiting time of the small metal parts 6, thereby achieving the purpose of improving production efficiency.

[0043] Embodiment 2

[0044] On the basis of the first embodiment, a primary force bearing seat 19 is connected to the frame 1 of the small metal parts processing machine tool through a primary connecting rod 18. The primary force bearing seat 19 is composed of a primary seat body 36, a secondary seat body 37, a tertiary seat body 38 and a quaternary seat body 39. The primary seat body 36, the secondary seat body 37, the tertiary seat body 38 and the quaternary seat body 39 are connected end to end in sequence. The primary seat body 36 and the tertiary seat body 38 are arranged vertically to the horizontal plane, the secondary seat body 37 is arranged obliquely, and the quaternary seat body 39 is arranged symmetrically with the secondary seat body 37. The inner end surface of the positioning tube 9 is integrally formed with a primary force bearing protrusion 17, and the primary force bearing protrusion 17 is arranged in a hemispherical shape. When the primary force bearing protrusion 17 is against the primary seat body 36, the reset spring 16 is in a reset state. state, and at this time, the support spring 10 is in a reset state, and when the first-level force-bearing protrusion 17 is against the third-level seat body 38, the inner side of the clamping seat 8 clamps and positions the small metal part 6 to be processed, and at this time, the support spring 10 is in a compressed state, by configuring the first clamping component 3 to be composed of a mounting tube 7, a clamping seat 8, a positioning tube 9 and a support spring 10, and by configuring a first-level force-bearing seat 19 composed of a first-level seat body 36, a second-level seat body 37, a third-level seat body 38 and a fourth-level seat body 39, the first clamping component 3 and the second clamping component 4 can automatically clamp and release the small metal part 6 in the position exchange structure, so as to reduce the use of the driving structure, thereby effectively optimizing the overall driving structure of the device.

[0045] Embodiment 3

[0046] On the basis of the second embodiment, a piston seat 21 is connected to the inner wall of the mounting tube 7 through a connecting plate 20, a piston chamber sealing cover 22 is installed on the open end of the piston chamber of the piston seat 21 through a positioning screw, a piston rod hole is provided on the piston chamber sealing cover 22, and a piston 23 is movably arranged in the piston chamber of the piston seat 21, a piston rod 24 is fixedly connected to the piston 23, the piston rod 24 passes through the piston rod hole on the piston chamber sealing cover 22, an air hole 26 is provided on the bottom surface of the piston chamber, a holding spring groove is provided on the end surface of the piston 23, a holding spring 25 is movably arranged in the holding spring groove, a secondary force bearing seat 27 is connected to the frame 1 of the small metal parts processing machine tool through a secondary connecting rod, a plurality of air holes 26 are evenly arranged, and the air holes 26 will blow on the small metal parts 6 during the exhaust process, which can form an auxiliary cleaning effect on the small metal parts 6.

[0047] The secondary force bearing seat 27 is composed of a fifth-level seat body 40, a sixth-level seat body 41, a seventh-level seat body 42 and an eighth-level seat body 43. The fifth-level seat body 40, the sixth-level seat body 41, the seventh-level seat body 42 and the eighth-level seat body 43 are connected in sequence end to end. The fifth-level seat body 40 and the seventh-level seat body 42 are vertically arranged to the horizontal plane, the sixth-level seat body 41 is inclined, and the eighth-level seat body 43 is symmetrically arranged to the sixth-level seat body 41. The end of the piston rod 24 is hemispherical. When the piston rod 24 abuts against the fifth-level seat body 40, the holding spring 25 is in a reset state. When the piston rod 24 abuts against the seventh-level seat body 42, the piston 23 is against the bottom surface of the piston cavity, and at this time, the holding spring 25 is in a compressed state. The covering area of ​​the first-level seat body 36 is located in the covering area of ​​the fifth-level seat body 40, and the covering area of ​​the third-level seat body 38 is located in the covering area of ​​the seventh-level seat body 42.

[0048] A main air channel 28, a secondary air channel 29 and an adsorption chamber 30 are provided on the clamping seat 8. The adsorption chamber 30 is located on the inner side of the clamping seat 8, and the adsorption chamber 30 is connected to the main air channel 28 through the secondary air channel 29. An air pipe connecting port is provided on the side wall at the port position of the piston chamber, and the air pipe connecting port is connected to the main air channel 28 through the air pipe 44. A sealing groove is provided at the edge of the adsorption chamber 30, and an elastic sealing rubber ring 31 is fixedly glued in the sealing groove. When the piston rod 24 abuts against the seven-stage seat body 42, a negative pressure is formed in the adsorption chamber 30 due to the movement of the piston 23, and at this time, the elastic sealing rubber ring 31 is in a compressed state, and a negative pressure is formed in the adsorption chamber 30 through the movement of the piston 23, thereby improving the positioning stability of the device for the small metal part 6.

[0049] Embodiment 4

[0050] On the basis of the third embodiment, the front and rear ends of the inner side walls of the clamping seat 8 are provided with pre-positioning member installation grooves 32, and the bottom of the pre-positioning member installation groove 32 is fixedly glued with a pre-positioning member 33. The pre-positioning member 33 is in a hexagonal frame structure, and the pre-positioning member 33 is cast from spring steel. When the first-level force-bearing protrusion 17 is against the first-level seat body 36, the pre-positioning member 33 is in a reset state, and at this time, the end of the pre-positioning member 33 pops out to the outside of the pre-positioning member installation groove 32, and forms a pre-positioning clamp for the small metal part 6 to be processed. The small metal part 6 to be processed is pre-positioned by the pre-positioning member 33, so that the stability of the small metal part 6 can be guaranteed during the rotation of the turntable 2.

[0051] A secondary force-bearing protrusion 34 is integrally formed on the inner end face of the positioning tube 9, and a three-level force-bearing seat 35 is connected to the small metal parts processing machine tool frame 1 through a three-level connecting rod 18. The secondary force-bearing protrusion 34 and the primary force-bearing protrusion 17 are symmetrically arranged, and the three-level force-bearing seat 35 and the primary force-bearing seat 19 are similar bodies, and the secondary force-bearing protrusion 34 and the primary force-bearing protrusion 17 are synchronously stressed. The primary force-bearing protrusion 17 and the secondary force-bearing protrusion 34 are synchronously stressed on both sides, thereby ensuring the force balance of the positioning tube 9.

[0052] Embodiment 5

[0053] On the basis of the fourth embodiment, the side walls of the primary guide rod 11 and the secondary guide rod 12 are provided with guide grooves 45, annular grooves 46 and engaging grooves 47. The guide grooves 45 and the engaging grooves 47 are symmetrically arranged in a group, and the guide grooves 45 and the engaging grooves 47 are connected to the annular grooves 46. A snap-fit ​​seat 48 is integrally formed on the inner side wall of the spring positioning ring 15. The cross-sectional dimensions of the snap-fit ​​seat 48, the guide grooves 45 and the engaging grooves 47 are consistent. The spring positioning ring 15 is sleeved and installed on the primary guide rod 11. When the spring positioning ring 15 is actually installed, the snap-fit ​​seat 48 is embedded in the engaging groove 47, and the snap-fit ​​seat 48 is inserted into the engaging groove 47 along the guide grooves 45 and the annular grooves 46 to improve the convenience of disassembly and assembly of the spring positioning ring 15.

[0054] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A small metal parts processing quick loading machine tool, characterized by: The small metal parts processing quick loading machine tool comprises: A small metal parts processing machine tool frame (1), wherein a rotating shaft (5) is rotatably mounted on the small metal parts processing machine tool frame (1), an end of the rotating shaft (5) is connected to an output shaft of a servo motor on the small metal parts processing machine tool frame (1) via a coupling, and the servo motor is provided with a self-locking structure; A rotating disk (2), wherein the rotating disk (2) is fixedly mounted on a rotating shaft (5); A first clamping assembly (3), the first clamping assembly (3) being fixedly mounted on the turntable (2); a second clamping assembly (4), wherein the structure of the second clamping assembly (4) is the same as that of the first clamping assembly (3), and the second clamping assembly (4) and the first clamping assembly (3) are symmetrically arranged with the rotating shaft (5) as the symmetry center; The first clamping assembly (3) and the second clamping assembly (4) are used to position and clamp the small metal part (6) to be processed; The first clamping assembly (3) is composed of a mounting tube (7), a clamping seat (8), a positioning tube (9) and a supporting spring (10); the front end of the mounting tube (7) is fixedly mounted on the turntable (2); a primary guide rod hole and a secondary guide rod hole are provided on the side wall of the mounting tube (7); six primary guide rod holes and six secondary guide rod holes are provided around the circumference of the mounting tube (7); a primary support ring (13) is integrally formed on the outer side wall of the mounting tube (7); a primary guide rod (11) and a secondary guide rod (12) are integrally formed on the outer side wall of the clamping seat (8); the primary guide rod (11) and the secondary guide rod (12) are integrally formed on the outer side wall of the mounting tube (7); and a secondary guide rod (12) are movably arranged in the primary guide rod hole and the secondary guide rod hole respectively; the primary guide rod (11) and the secondary guide rod (12) are both installed with a spring positioning ring (15); the spring positioning ring (15) is connected with a return spring (16); a secondary support ring (14) is integrally formed on the inner side wall of the positioning tube (9); the secondary support ring (14) is movably sleeved on the mounting tube (7); the support spring (10) is sleeved on the mounting tube (7), and two ends of the support spring (10) are respectively connected to the primary support ring (13) and the secondary support ring (14); The primary guide rod (11) is longer than the secondary guide rod (12), and the outer ends of the primary guide rod (11) and the secondary guide rod (12) are both wedge-shaped, and the outer end surfaces of the primary guide rod (11) and the secondary guide rod (12) are located on the same plane. The inner wall of the positioning tube (9) is wedge-shaped, and the slope value of the inner wall of the positioning tube (9) matches the slope value of the outer end surfaces of the primary support ring (13) and the secondary support ring (14). When the reset spring (16) is in a reset state, the outer wall of the clamping seat (8) is arranged to abut against the inner wall of the mounting tube (7); The frame (1) of the small metal parts processing machine tool is connected to a primary force bearing seat (19) via a primary connecting rod (18); the primary force bearing seat (19) is composed of a primary seat body (36), a secondary seat body (37), a tertiary seat body (38) and a quaternary seat body (39); the primary seat body (36), the secondary seat body (37), the tertiary seat body (38) and the quaternary seat body (39) are connected end to end in sequence; the primary seat body (36) and the tertiary seat body (38) are arranged perpendicular to a horizontal plane, the secondary seat body (37) is arranged obliquely, and the quaternary seat body (39) is connected to the secondary seat body ( The first-stage force-bearing protrusion (17) is integrally formed on the inner end surface of the positioning tube (9), and the first-stage force-bearing protrusion (17) is hemispherical. When the first-stage force-bearing protrusion (17) abuts against the first-stage seat body (36), the reset spring (16) is in a reset state, and at this time, the support spring (10) is in a reset state. When the first-stage force-bearing protrusion (17) abuts against the third-stage seat body (38), the inner side surface of the clamping seat (8) clamps and positions the small metal part (6) to be processed, and at this time, the support spring (10) is in a compressed state.

2. A small metal parts processing quick loading machine tool according to claim 1, characterized in that: The inner wall of the mounting tube (7) is connected to a piston seat (21) via a connecting plate (20); a piston chamber sealing cover (22) is installed on the piston chamber opening end of the piston seat (21) via a positioning screw; a piston rod hole is provided on the piston chamber sealing cover (22); a piston (23) is movably arranged in the piston chamber of the piston seat (21); a piston rod (24) is fixedly connected to the piston (23); the piston rod (24) passes through the piston rod hole on the piston chamber sealing cover (22); an air hole (26) is provided on the bottom surface of the piston chamber; a supporting spring groove is provided on the end surface of the piston (23); a supporting spring (25) is movably arranged in the supporting spring groove; and a secondary force bearing seat (27) is connected to the frame (1) of the small metal parts processing machine tool via a secondary connecting rod.

3. A small metal parts processing quick loading machine tool according to claim 2, characterized in that: The secondary force bearing seat (27) is composed of a fifth-level seat body (40), a sixth-level seat body (41), a seventh-level seat body (42) and an eighth-level seat body (43). The fifth-level seat body (40), the sixth-level seat body (41), the seventh-level seat body (42) and the eighth-level seat body (43) are connected end to end in sequence. The fifth-level seat body (40) and the seventh-level seat body (42) are arranged perpendicular to the horizontal plane, the sixth-level seat body (41) is arranged obliquely, the eighth-level seat body (43) is arranged symmetrically with the sixth-level seat body (41), and the piston rod (24) is arranged in a direction opposite to the horizontal plane. The end of the piston rod (24) is arranged in a hemispherical shape. When the piston rod (24) abuts against the fifth-level seat body (40), the supporting spring (25) is in a reset state. When the piston rod (24) abuts against the seventh-level seat body (42), the piston (23) is in contact with the bottom surface of the piston cavity. At this time, the supporting spring (25) is in a compressed state. The coverage area of ​​the first-level seat body (36) is located within the coverage area of ​​the fifth-level seat body (40), and the coverage area of ​​the third-level seat body (38) is located within the coverage area of ​​the seventh-level seat body (42).

4. A small metal parts processing quick loading machine tool according to claim 3, characterized in that: The clamping seat (8) is provided with a main air passage (28), a secondary air passage (29) and an adsorption chamber (30); the adsorption chamber (30) is located on the inner side of the clamping seat (8), and the adsorption chamber (30) is connected to the main air passage (28) through the secondary air passage (29); an air pipe connection port is provided on the side wall at the port position of the piston chamber, and the air pipe connection port is connected to the main air passage (28) through an air pipe (44); a sealing groove is provided at the edge position of the adsorption chamber (30), and an elastic sealing rubber ring (31) is fixedly glued in the sealing groove; when the piston rod (24) abuts against the seven-stage seat body (42), a negative pressure is formed in the adsorption chamber (30) due to the movement of the piston (23), and at this time, the elastic sealing rubber ring (31) is in a compressed state.

5. A small metal parts processing quick loading machine tool according to claim 4, characterized in that: The front and rear ends of the inner side walls of the clamping seat (8) are provided with pre-positioning member installation grooves (32), the bottom of the pre-positioning member installation groove (32) is fixedly glued with a pre-positioning member (33), the pre-positioning member (33) is in a hexagonal frame structure, and the pre-positioning member (33) is cast from spring steel. When the first-stage force-bearing protrusion (17) abuts against the first-stage seat body (36), the pre-positioning member (33) is in a reset state, and at this time, the end of the pre-positioning member (33) pops out to the outside of the pre-positioning member installation groove (32), and forms a pre-positioning clamp for the small metal part (6) to be processed.

6. A small metal parts processing quick loading machine tool according to claim 5, characterized in that: The inner end surface of the positioning tube (9) is integrally formed with a secondary force-bearing protrusion (34); the small metal parts processing machine tool frame (1) is connected to a third-level force-bearing seat (35) via a third-level connecting rod (18); the secondary force-bearing protrusion (34) and the first-level force-bearing protrusion (17) are symmetrically arranged; the third-level force-bearing seat (35) and the first-level force-bearing seat (19) are similar in shape; and the secondary force-bearing protrusion (34) and the first-level force-bearing protrusion (17) are synchronously stressed.

7. A small metal parts processing quick loading machine tool according to claim 6, characterized in that: The side walls of the primary guide rod (11) and the secondary guide rod (12) are provided with a guide groove (45), an annular groove (46) and a snap-fit ​​groove (47); the guide groove (45) and the snap-fit ​​groove (47) are symmetrically arranged in a group, and the guide groove (45) and the snap-fit ​​groove (47) are arranged in communication with the annular groove (46); an snap-fit ​​seat (48) is integrally formed on the inner side wall of the spring positioning ring (15); the cross-sectional dimensions of the snap-fit ​​seat (48), the guide groove (45) and the snap-fit ​​groove (47) are consistent; the spring positioning ring (15) is sleeved and installed on the primary guide rod (11); and when the spring positioning ring (15) is actually installed, the snap-fit ​​seat (48) is embedded in the snap-fit ​​groove (47).

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