Automatic assembling equipment for vacuumizing pump

Abstract

The invention discloses automatic assembling equipment for a vacuumizing pump. The automatic assembling equipment comprises a cylinder body assembling mechanism, a piston body assembling mechanism, a rubber shell assembling mechanism, a detecting mechanism, a transferring clamp and a conveying mechanism. The transfer clamp is used for bearing a workpiece and is arranged on the conveying mechanism; the conveying mechanism is used for conveying the transfer clamps to the stations where the cylinder body assembling mechanism, the piston body assembling mechanism, the rubber shell assembling mechanism and the detection mechanism are located. The cylinder body assembling mechanism is used for feeding a breather valve into a cylinder body and assembling the breather valve; the piston body assembling mechanism is used for assembling a limiting ring on a piston body and assembling the assembled piston body in a cylinder body; the rubber shell assembling mechanism is used for assembling a rubber shell on a cylinder body and assembling a bottom cover on the end part of a piston body; and the detection mechanism is used for detecting the assembled vacuumizing pump. The automatic assembling machine is simple in structure, capable of achieving automatic assembling, high in assembling efficiency and stable in product quality.

Description

Technical Field

[0001] The invention relates to the technical field of automatic assembly equipment for vacuum pumps, and in particular to automatic assembly equipment for vacuum pumps. Background Art

[0002] A vacuum pump is an air suction device used to create a vacuum environment.

[0003] The current vacuum pump assembly process is generally done manually by workers, and then the vacuum pump components completed in a single process are placed on the conveyor belt so that the workers at the next workstation can continue to assemble them. The manual assembly solution makes the reliability of the vacuum pumps produced poor. At the same time, due to the different time required for each process, this makes this process inefficient and needs to be improved. Summary of the invention

[0004] The purpose of the present invention is to overcome the deficiencies in the prior art and to provide an automated assembly device for vacuum pumps which has a simple structure, can realize automated assembly, has high assembly efficiency and has stable product quality.

[0005] In order to achieve the above-mentioned object, the present invention adopts the following scheme: an automatic assembly device for a vacuum pump, characterized in that it includes a cylinder assembly mechanism, a piston assembly mechanism, a plastic shell assembly mechanism, a detection mechanism, a transfer fixture and a conveying mechanism; The transfer fixture is used to carry the workpiece and is arranged on the conveying mechanism; The conveying mechanism is used to respectively convey the transfer fixture to the workstations where the cylinder assembly mechanism, the piston assembly mechanism, the plastic shell assembly mechanism, and the detection mechanism are located; The cylinder assembly mechanism is used to send the breathing valve into the cylinder and assemble it. The assembled cylinder is sent into the transfer fixture and transported to the station where the piston assembly mechanism is located; The piston body assembly mechanism is used to assemble the limit ring on the piston body, and assemble the assembled piston body in the cylinder body, and after assembly, it is sent to the transfer fixture and transported to the station where the plastic shell assembly mechanism is located; The plastic shell assembly mechanism is used to assemble the plastic shell on the cylinder body and the bottom cover on the end of the piston body, and after assembly, it is sent into the transfer fixture and transported to the station where the detection mechanism is located; The detection mechanism is used to detect the assembled vacuum pump.

[0006] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the cylinder assembly mechanism includes a first machine platform, on which a first turntable is provided, the first turntable is driven by a first motor, a plurality of cylinder clamps for fixing the cylinder body are arranged along the circumferential direction on the first turntable, a cylinder feeding mechanism is provided on one side of the cylinder feeding end of the first turntable, a cylinder transfer mechanism is provided on the first machine platform between the first turntable and the cylinder feeding mechanism, which can feed the cylinder on the cylinder feeding mechanism into the cylinder clamp, a breathing valve conveying mechanism is provided on the first machine platform on one side of the first turntable, which can feed the breathing valve into the cylinder body and perform press-fit assembly, and a first delivery mechanism is provided on the first machine platform, which can deliver the assembled cylinder body to the transfer clamp.

[0007] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the cylinder feeding mechanism includes a cylinder feeding platform, a cylinder feeding conveyor belt is provided on the cylinder feeding platform, first positioning levers are respectively provided on both sides of the upper end of the cylinder feeding conveyor belt along the conveying direction, a cylinder conveying motor is provided on the cylinder feeding platform, the output shaft of the cylinder conveying motor is connected to the transmission shaft of the cylinder feeding conveyor belt, and the discharge end of the cylinder feeding conveyor belt extends into the first machine platform.

[0008] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the cylinder transfer mechanism includes a first bracket, a first transverse groove rail is provided on the first bracket, a first moving belt is provided in the first transverse groove rail through a first rotating shaft and a first pulley, a first transfer motor is provided on one side of the first transverse groove rail, the output shaft of the first transfer motor is connected to one of the first rotating shafts, a first moving seat is fixedly provided on the first moving belt, a first vertical cylinder is provided on the outside of the first moving seat, the output shaft of the first vertical cylinder is provided downward, and a first cylinder transfer head is provided on the output shaft of the first vertical cylinder.

[0009] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the breathing valve conveying mechanism includes a breathing valve carrying plate arranged on the first machine platform, a first manipulator is arranged between the breathing valve carrying plate and the first turntable, a crimping tube is arranged on the first manipulator, a suction cup is arranged at the lower end of the crimping tube, the suction cup is connected through an exhaust pipe arranged in the crimping tube, and the upper end of the exhaust pipe extends out of the upper end of the crimping tube and is connected to an external exhaust device.

[0010] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the first delivery mechanism includes a second bracket, a second transverse groove rail is provided on the second bracket, a second movable belt is provided in the second transverse groove rail through a second rotating shaft and a second pulley, a second transfer motor is provided on one side of the second transverse groove rail, the output shaft of the second transfer motor is connected to one of the second rotating shafts, a second movable seat is fixedly provided on the second movable belt, a second vertical cylinder is provided on the outer side of the second movable seat, the output shaft of the second vertical cylinder is downwardly arranged, and a second cylinder transfer head is provided on the output shaft of the second vertical cylinder.

[0011] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the piston body assembly mechanism includes a second machine platform, a second turntable is provided on the second machine platform, and a plurality of piston body positioning fixtures are evenly distributed along the circumferential direction on the second turntable. A one-to-one snap-fit ​​mechanism that can assemble two semicircular limit rings on the piston body is arranged at the corresponding position of the second turntable and the piston body positioning fixture. A piston body feeding mechanism, a piston seal assembly mechanism, a limit ring conveying mechanism, a cylinder conveying mechanism, a first pressing mechanism and a second delivery mechanism are arranged in sequence at intervals in a counterclockwise direction on the second machine platform outside the second turntable.

[0012] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the piston body feeding mechanism includes a piston body feeding platform, a piston body feeding conveyor belt is provided on the piston body feeding platform, and second positioning levers are respectively provided on both sides of the upper end of the piston body feeding conveyor belt along the conveying direction, and a piston body conveying motor is provided on the piston body feeding platform, and the output shaft of the piston body conveying motor is connected with the transmission shaft of the piston body feeding conveyor belt, and the discharge end of the piston body feeding conveyor belt extends into the second machine platform, and a first flipping mechanism capable of flipping the piston body is provided on the second machine platform on the side of the discharge end of the piston body feeding conveyor belt, and a piston body feeding mechanism capable of feeding the flipped piston body into the piston body positioning fixture is provided between the first flipping mechanism and the piston body feeding conveyor belt.

[0013] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the first flipping mechanism includes a first flipping frame, a first flipping motor is provided on the first flipping frame, a first flipping arm is provided on the output shaft of the first flipping motor, and a first clamping air claw is provided on the first flipping arm.

[0014] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the piston body feeding mechanism includes a piston body feeding seat, a vertical guide rail is provided on one side of the piston body feeding seat, a sliding seat is movably provided on the vertical guide rail, a first rotating motor is provided on the sliding seat, a first rotating arm is provided on the output shaft of the first rotating motor, and a second clamping air claw is provided on the first rotating arm.

[0015] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the piston seal assembly mechanism includes a piston seal carrying plate arranged on a second machine platform, a second manipulator is provided on the second machine platform between the piston seal carrying plate and the second turntable, and a piston seal pressing mechanism is provided on the second manipulator, which can send the piston seal into the piston body on the piston body positioning fixture and press it.

[0016] The piston seal pressing mechanism includes a screw assembly arranged in the second manipulator, a mounting frame is arranged on the screw assembly, a first telescopic cylinder is arranged in the mounting frame, and a pressing head is arranged on the output shaft of the first telescopic cylinder.

[0017] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the limiting ring conveying mechanism includes a third turntable arranged on the second machine platform, a plurality of second telescopic cylinders are evenly distributed on the third turntable in a circumferential direction, a mounting platform is provided on the output shaft of the second telescopic cylinder, a third clamping air claw is provided on the mounting platform, a suction port is provided in the claw head of the third clamping air claw, the suction port is connected to the suction pipe, a positioning groove is provided on the claw head, a vibration disk mechanism is symmetrically provided on the second machine platform on both sides of the third turntable, and a limiting ring conveying mechanism is provided between the vibration disk mechanism and the third turntable, which can deliver the limiting ring at the discharge end of the vibration disk mechanism into the positioning groove.

[0018] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the limiting ring transmission mechanism includes a third bracket arranged on the second machine platform, a third horizontal groove rail is provided on the third bracket, a third movable belt is provided in the third horizontal groove rail through a third rotating shaft and a third pulley, a third transfer motor is provided on one side of the third horizontal groove rail, the output shaft of the third transfer motor is connected to one of the third rotating shafts, a third movable seat is fixedly provided on the third movable belt, a third vertical cylinder is provided on the outer side of the third movable seat, the output shaft of the third vertical cylinder is provided downwardly, and a fourth clamping air claw is provided on the output shaft of the third vertical cylinder.

[0019] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the cylinder conveying mechanism includes a fourth bracket arranged on the second machine platform, a fourth horizontal groove rail is provided on the fourth bracket, a fourth moving belt is provided in the fourth horizontal groove rail through a fourth rotating shaft and a fourth pulley, a fourth transfer motor is provided on one side of the fourth horizontal groove rail, the output shaft of the fourth transfer motor is connected to one of the rotating shafts of the fourth transfer motor, a fourth moving seat is fixedly provided on the fourth moving belt, a fourth vertical cylinder is provided on the outer side of the fourth moving seat, the output shaft of the fourth vertical cylinder is arranged downward, a third cylinder transfer head is provided on the output shaft of the fourth vertical cylinder, and a second flipping mechanism is provided on the second machine platform between the fourth horizontal groove rail and the second turntable, which can clamp the cylinder in the third cylinder transfer head and flip it into the piston body positioning fixture.

[0020] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the second flipping mechanism includes a second flipping frame, a lifting cylinder is provided on the second flipping frame, a mounting plate is provided on the output shaft of the lifting cylinder, a second flipping motor is provided on the outer side of the mounting plate, a second flipping arm is provided on the output shaft of the second flipping motor, and a sixth clamping air claw is provided on the second flipping arm.

[0021] As another improvement of the automatic assembly equipment for vacuum pumps of the present invention, the first pressing mechanism includes a fifth bracket arranged on the second machine platform, and a pressing head capable of moving up and down relative to the fifth bracket is provided on the fifth bracket.

[0022] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the second delivery mechanism includes a sixth bracket arranged on the second machine platform, a first electric slide rail is provided on the sixth bracket, a second rotating motor is provided on the sliding seat of the first electric slide rail, a second rotating arm is provided on the output shaft of the second rotating motor, and a seventh clamping air claw is provided on the second rotating arm.

[0023] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the snap-fitting mechanism includes a snap-fitting seat arranged on the second turntable, an eighth clamping air claw is provided on the snap-fitting seat, the eighth clamping air claw is arranged above the piston body positioning fixture, and a positioning arc groove cooperating with a limit ring is provided on the inner side of the claw head of the eighth clamping air claw.

[0024] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the plastic shell assembly mechanism includes a third machine, a plastic shell carrying plate is provided on the third machine, a third manipulator capable of grabbing the silicone shell in the plastic shell carrying plate and inserting it into the cylinder body on the transfer fixture is provided on one side of the feeding end of the third machine, a plastic shell pressing mechanism capable of pressing the silicone shell into the cylinder body is provided on the third machine, a third flipping mechanism capable of flipping the cylinder body with the silicone shell on the transfer fixture is provided on one side of the discharge end of the plastic shell pressing mechanism, a bottom cover carrying plate is provided on one side of the discharge end of the third machine, a fourth manipulator capable of grabbing the bottom cover in the bottom cover carrying plate and sending it into the piston body on the transfer fixture is provided on the third machine on one side of the bottom cover carrying plate, and a bottom cover pressing mechanism capable of pressing the silicone shell into the end of the piston body is provided at the discharge end of the third machine.

[0025] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the plastic shell pressing mechanism includes a first support frame, a first pressing cylinder is provided at a position corresponding to the transfer fixture of the first support frame, and a first pressing head is provided on the output shaft of the first pressing cylinder.

[0026] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the third flipping mechanism includes a third flipping frame arranged on a third machine platform, a second electric slide rail is provided on the third flipping frame, a third flipping motor is provided on the sliding seat of the second electric slide rail, a third flipping arm is provided on the output shaft of the third flipping motor, and a ninth clamping air claw is provided on the second flipping arm.

[0027] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the bottom cover pressing mechanism includes a second support frame, a second pressing cylinder is provided at a position corresponding to the transfer fixture of the second support frame, and a second pressing head is provided on the output shaft of the second pressing cylinder.

[0028] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the detection mechanism includes a fourth machine, a fourth turntable is provided on the fourth machine, a plurality of finished product positioning fixtures are evenly distributed on the fourth turntable along the circumferential direction, a finished product transfer mechanism is provided on the fourth machine that can deliver the product in the transfer fixture into the finished product positioning fixture, at least one detection head is provided on the outside of the fourth turntable, a third delivery mechanism is provided on the fourth machine on the side of the discharge end of the detection head, a discharge conveyor belt is provided on the fourth machine, three baffles are arranged at intervals on the discharge conveyor belt, and the baffles separate the discharge conveyor belt into a qualified product conveying channel and an unqualified product conveying channel.

[0029] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the finished product transfer mechanism includes a seventh bracket arranged on the fourth machine platform, a seventh transverse groove rail is provided on the seventh bracket, a seventh moving belt is provided in the seventh transverse groove rail through a seventh rotating shaft and a seventh pulley, a seventh transfer motor is provided on one side of the seventh transverse groove rail, the output shaft of the seventh transfer motor is connected to one of the seventh rotating shafts, a seventh moving seat is fixedly provided on the seventh moving belt, a third electric slide rail is provided on the outer side of the seventh moving seat, and a tenth clamping air claw is provided on the sliding seat of the third electric slide rail.

[0030] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the third delivery mechanism includes an eighth bracket arranged on the fourth machine platform, an eighth transverse groove rail is provided on the eighth bracket, an eighth moving belt is provided in the eighth transverse groove rail through an eighth rotating shaft and an eighth pulley, an eighth transfer motor is provided on one side of the eighth transverse groove rail, the output shaft of the eighth transfer motor is connected to one of the eighth rotating shafts, an eighth moving seat is fixedly provided on the eighth moving belt, a fourth electric slide rail is provided on the outer side of the eighth moving seat, a fourth electric slide rail is provided on the outer side of the eighth moving seat, and an eleventh clamping air claw is provided on the sliding seat of the fourth electric slide rail.

[0031] As another improvement of the automatic assembly equipment of the vacuum pump of the present invention, the conveying mechanism includes a conveying bracket, a conveying belt is arranged on the conveying bracket, and the transfer clamp includes a clamp seat slidably arranged on the conveying bracket, the clamp seat is arranged on the conveying belt, and the clamp seat is respectively provided with a clamping station capable of clamping the piston body, a first accommodating seat and a second accommodating seat capable of accommodating a cylinder body or a finished product.

[0032] In summary, compared with the prior art, the present invention has the following beneficial effects: the present invention has a simple structure, can realize automated assembly, has high assembly efficiency, and has stable product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a three-dimensional schematic diagram of the present invention.

[0034] Figure 2 It is a three-dimensional schematic diagram of the cylinder assembly mechanism of the present invention.

[0035] Figure 3 This is one of the three-dimensional schematic diagrams of the piston body assembly mechanism of the present invention.

[0036] Figure 4 This is the second stereoscopic schematic diagram of the piston body assembly mechanism of the present invention.

[0037] Figure 5 It is a schematic diagram of the limiting ring conveying mechanism of the present invention.

[0038] Figure 6 It is a schematic diagram of the piston body feeding mechanism of the present invention.

[0039] Figure 7 Schematic diagram of the plastic shell assembly mechanism of the present invention Figure 8 It is a three-dimensional schematic diagram of the detection mechanism of the present invention.

[0040] Fig. 9 It is a schematic cross-sectional view of a workpiece of the present invention. DETAILED DESCRIPTION

[0041] The above and other technical features and advantages of the present invention are described in more detail below in conjunction with the accompanying drawings.

[0042] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0043] It should be noted that, in the description of the present invention, terms such as "up", "down", "left", "right", "inside" and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings. This is merely for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0044] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] like Figure 1-8 As shown, an automatic assembly device for a vacuum pump is characterized by comprising a cylinder assembly mechanism 1, a piston assembly mechanism 2, a plastic shell assembly mechanism 3, a detection mechanism 4, a transfer fixture 5 and a conveying mechanism 6; The transfer fixture 5 is used to carry the workpiece and is arranged on the conveying mechanism 6; The conveying mechanism 6 is used to respectively convey the transfer fixture 5 to the workstations where the cylinder assembly mechanism 1, the piston assembly mechanism 2, the plastic shell assembly mechanism 3, and the detection mechanism 4 are located; The cylinder assembly mechanism 1 is used to send the breathing valve 40 into the cylinder 10 and assemble it. The assembled cylinder 10 is sent into the transfer fixture 5 and transported to the station where the piston assembly mechanism 2 is located; The piston body assembly mechanism 2 is used to assemble the limit ring 50 on the piston body 20, and assemble the assembled piston body 20 in the cylinder body 10, and after assembly, it is sent to the transfer fixture 5 to be transported to the station where the plastic shell assembly mechanism 3 is located; The silicone shell assembly mechanism 3 is used to assemble the silicone shell 70 on the cylinder body 10 and the bottom cover 60 on the end of the piston body 20, and after assembly, it is sent to the transfer fixture 5 to be transported to the station where the detection mechanism 4 is located; The detection mechanism 4 is used to detect the assembled vacuum pump.

[0046] In the present invention, the breathing valve 40 can be sent into the cylinder 10 and assembled through the cylinder assembly mechanism 1, and the assembled cylinder 10 is sent into the transfer fixture 5 and transported to the station where the piston body assembly mechanism 2 is located through the conveying mechanism 6; the piston body assembly mechanism 2 sends the cylinder 10 in the transfer fixture 5 into the piston body assembly mechanism 2, assembles the limit ring 50 on the piston body 20, and assembles the piston seal 30 on the piston body 20, and then assembles the assembled piston body 20 in the cylinder 10, and sends it into the transfer fixture 5 after assembly, and is transported to the station where the plastic shell assembly mechanism 3 is located through the conveying mechanism 6; the plastic shell assembly mechanism 3 sends the workpiece of the transfer fixture 5 into the plastic shell assembly mechanism 3, assembles the silicone shell 70 on the cylinder 10, and assembles the bottom cover 60 on the end of the piston body 20, and sends it into the transfer fixture 5 after assembly to the station where the detection mechanism 4 is located; the detection mechanism 4 grabs the assembled product, and detects the assembled vacuum pump, and rejects unqualified products. Thereby achieving automated assembly, high assembly efficiency and stable product quality.

[0047] Reference Figure 2 The cylinder assembly mechanism 1 of the present invention includes a first machine 11, on which a first turntable 12 is provided, the first turntable 12 is driven by a first motor, a plurality of cylinder clamps 13 for fixing the cylinder 10 are arranged along the circumferential direction on the first turntable 12, a cylinder feeding mechanism 14 is provided on one side of the cylinder feeding end of the first turntable 12, a cylinder transfer mechanism 15 capable of feeding the cylinder 10 on the cylinder feeding mechanism 14 into the cylinder clamp 13 is provided on the first machine 11 between the first turntable 12 and the cylinder feeding mechanism 14, a breathing valve conveying mechanism 17 capable of feeding the breathing valve 40 into the cylinder 10 and performing press-fit assembly is provided on the first machine 11 on one side of the first turntable 12, and a first delivery mechanism 16 capable of delivering the assembled cylinder 10 to the transfer clamp 5 is provided on the first machine 11.

[0048] In the present invention, the cylinder 10 is fed by the cylinder feeding mechanism 14, and the cylinder 10 is fed into the cylinder fixture 13 by the cylinder transfer mechanism 15. At this time, the opening end of the cylinder 10 is located at the top, and the breathing valve conveying mechanism 17 takes the breathing valve 40 out of the breathing valve carrier plate and presses and assembles it in the cylinder 10. After the press assembly, the breathing valve 40 is movably clamped at the air inlet at the lower end of the cylinder 10; after the assembly is completed, it is sent to the transfer fixture 5 on the conveying mechanism 6 by the first sending mechanism 16. Then it moves to the next station through the conveying mechanism 6.

[0049] The cylinder feeding mechanism 14 of the present invention includes a cylinder feeding platform 141, on which a cylinder feeding conveyor belt 142 is provided, and first positioning levers 143 are provided on both sides of the upper end of the cylinder feeding conveyor belt 142 along the conveying direction, respectively, and a cylinder conveying motor 144 is provided on the cylinder feeding platform 141, and the output shaft of the cylinder conveying motor 144 is connected to the transmission shaft of the cylinder feeding conveyor belt 142, and the discharge end of the cylinder feeding conveyor belt 142 extends into the first machine 11. In the present invention, the cylinder feeding conveyor belt 142 is driven to rotate by the cylinder conveying motor 144, and the cylinder 10 placed between the two first positioning levers 143 can be transported forward. In the present invention, an interception mechanism is provided at the discharge end of the cylinder feeding conveyor belt 142.

[0050] The cylinder transfer mechanism 15 of the present invention comprises a first bracket 151, a first transverse groove 152 is provided on the first bracket 151, a first moving belt is provided in the first transverse groove 152 through a first rotating shaft and a first pulley, a first transfer motor 153 is provided on one side of the first transverse groove 152, the output shaft of the first transfer motor 153 is connected to one of the first rotating shafts, a first moving seat 154 is fixedly provided on the first moving belt, a first vertical cylinder 155 is provided on the outer side of the first moving seat 154, the output shaft of the first vertical cylinder 155 is arranged downward, and a first cylinder transfer head 156 is provided on the output shaft of the first vertical cylinder 155. In the present invention, the cylinder 10 at the discharge end of the cylinder feeding conveyor belt 142 is grabbed and moved to a position above the first turntable 12 corresponding to the cylinder fixture 13, and then the first cylinder transfer head 156 is controlled to move downward to put the cylinder 10 into the cylinder fixture 13.

[0051] The breathing valve conveying mechanism 17 described in the present invention includes a breathing valve carrier plate 171 disposed on the first machine 11, a first manipulator 172 is disposed between the breathing valve carrier plate 171 and the first turntable 12, a crimping tube 173 is disposed on the first manipulator 172, a suction cup is disposed at the lower end of the crimping tube 173, and the suction cup is connected through an exhaust pipe disposed in the crimping tube 173, and the upper end of the exhaust pipe extends out of the upper end of the crimping tube 173 and is connected to an external exhaust device. In the present invention, the crimping tube 173 is controlled to move by the first manipulator 172 to remove the breathing valve 40 from the breathing valve carrier plate 171 and deliver it into the cylinder body 10 on the cylinder body fixture 13, and the breathing valve 40 is pressed into the air inlet hole of the cylinder body 10 by pressing down the crimping tube 173.

[0052] The first delivery mechanism 16 in the present invention includes a second bracket 161, a second transverse groove 162 is provided on the second bracket 161, a second moving belt is provided in the second transverse groove 162 through a second rotating shaft and a second pulley, a second transfer motor 163 is provided on one side of the second transverse groove 162, the output shaft of the second transfer motor 163 is connected to one of the second rotating shafts, a second moving seat 164 is fixedly provided on the second moving belt, a second vertical cylinder 165 is provided on the outer side of the second moving seat 164, the output shaft of the second vertical cylinder 165 is arranged downward, and a second cylinder transfer head 166 is provided on the output shaft of the second vertical cylinder 165. In the present invention, the first delivery mechanism 16 can take out the assembled workpiece from the cylinder fixture 13 and send it to the transfer fixture 5 on the conveying mechanism 6. Then it moves to the next station through the conveying mechanism 6.

[0053] Reference Figure 3-4The piston body assembly mechanism 2 of the present invention comprises a second machine 21, on which a second turntable 22 is provided, on which a plurality of piston body positioning fixtures 23 are evenly distributed along the circumferential direction, and a buckling mechanism 24 capable of assembling two semicircular limiting rings 50 on the piston body 20 is arranged one-to-one at the corresponding positions of the second turntable 22 and the piston body positioning fixture 23, and a piston body feeding mechanism 25, a piston seal assembly mechanism 26, a limiting ring conveying mechanism 27, a cylinder conveying mechanism 28, a pressing mechanism 29 and a second delivery mechanism 210 are arranged in sequence in a counterclockwise direction on the second machine 21 outside the second turntable 22. The limiting ring 50 described in the present invention is composed of two semicircular limiting rings, and a positioning hole and a positioning boss are respectively provided on each semicircular limiting ring. When assembled into one, the positioning boss of one semicircular limiting ring is inserted into the positioning hole of the other semicircular limiting ring. In the present invention, the piston body 20 is fed into the piston body positioning fixture 23 through the piston body feeding mechanism 25, the piston seal 30 is assembled on the end of the piston body 20 through the piston seal assembly mechanism 26, and then the limiting ring 50 is fed into the piston body 20 of the piston body positioning fixture 23 through the limiting ring conveying mechanism 27, and the two semicircular limiting rings are pressed into an annular limiting ring through the buckling mechanism 24; then the workpiece on the transfer fixture 5 is flipped and sent to the piston body 20 on the piston body positioning fixture 23 through the cylinder conveying mechanism 28, and then the cylinder 10 is sleeved on the outside of the piston body 20 through the pressing mechanism 29. After the assembly is completed, the workpiece is fed into the transfer fixture 5 on the conveying mechanism 6 through the second feeding mechanism 210. Then it moves to the next station through the conveying mechanism 6.

[0054] The piston body feeding mechanism 25 described in the present invention includes a piston body feeding platform 251, on which a piston body feeding conveyor belt 252 is provided, and second positioning levers 2530 are respectively provided on both sides of the upper end of the piston body feeding conveyor belt 252 along the conveying direction, and a piston body conveying motor 254 is provided on the piston body feeding platform 251. The output shaft of the piston body conveying motor 2540 is connected to the transmission shaft of the piston body feeding conveyor belt 252, and the discharge end of the piston body feeding conveyor belt 252 extends into the second machine platform 21. A first flipping mechanism 253 capable of flipping the piston body 20 is provided on the second machine platform 21 on the side of the discharge end of the piston body feeding conveyor belt 252, and a piston body feeding mechanism 254 capable of feeding the flipped piston body 20 into the piston body positioning fixture 23 is provided between the first flipping mechanism 253 and the piston body feeding conveyor belt 252. In the present invention, the head portion of the piston body 20 having a larger outer diameter is clamped on two second positioning levers 2530. As the piston body feeding conveyor belt 252 is conveyed, the piston bodies 20 are conveyed forward one by one. The piston body 20 on the discharge end of the piston body feeding conveyor belt 252 can be clamped and flipped by the first flipping mechanism 253, and the flipped piston body 20 is sent into the piston body positioning fixture 23 by the piston body feeding mechanism 254.

[0055] The first flip mechanism 253 of the present invention includes a first flip frame 2531 , on which a first flip motor 2532 is disposed, on which an output shaft of the first flip motor 2532 is disposed a first flip arm 2533 , and on which a first clamping air claw 2534 is disposed.

[0056] The piston body feeding mechanism 254 of the present invention includes a piston body feeding seat 2541, a vertical guide rail 2542 is provided on one side of the piston body feeding seat 2541, a sliding seat 2543 is movably provided on the vertical guide rail 2542, a first rotating motor 2544 is provided on the sliding seat 2543, a first rotating arm 2545 is provided on the output shaft of the first rotating motor, and a second clamping air claw 2546 is provided on the first rotating arm 2545.

[0057] The piston seal assembly mechanism 26 of the present invention includes a piston seal carrier plate 261 disposed on the second machine 21, a second manipulator 262 is disposed on the second machine 21 between the piston seal carrier plate 261 and the second turntable 22, and a piston seal press-fitting mechanism 263 capable of sending the piston seal 30 to the piston body 20 on the piston body positioning fixture 23 and press-fitting is disposed on the second manipulator 262. In the present invention, the piston seal press-fitting mechanism 263 can be controlled by the second manipulator 262 to grab the piston seal 30 in the seal carrier plate 261, and send it to the piston body 20 on the piston body positioning fixture 23, and then the piston seal 30 is assembled on the piston body 20 by pressing down.

[0058] The piston seal pressing mechanism 263 of the present invention includes a screw assembly 2631 arranged in the second manipulator 262, a mounting frame 2632 is provided on the screw assembly 2631, a first telescopic cylinder 2633 is provided in the mounting frame 2632, and a pressing head 2634 is provided on the output shaft of the first telescopic cylinder 2633.

[0059] The limiting ring conveying mechanism 27 of the present invention includes a third turntable 271 arranged on the second machine 21, a plurality of second telescopic cylinders 272 are evenly distributed along the circumferential direction on the third turntable 271, a mounting platform is provided on the output shaft of the second telescopic cylinder 272, a third clamping claw 273 is provided on the mounting platform, an air suction port is provided in the claw head of the third clamping claw 273, the air suction port is connected to the air suction pipe, a positioning groove is provided on the claw head, a vibration disk mechanism 274 is symmetrically provided on the second machine 21 on both sides of the third turntable 271, and a limiting ring conveying mechanism 275 is provided between the vibration disk mechanism 274 and the third turntable 271, which can deliver the limiting ring 50 at the discharge end of the vibration disk mechanism 274 into the positioning groove. The present invention can convey the semicircular limiting ring 50 in a fixed direction through two vibration disk mechanisms 274, and can be respectively delivered to the positioning groove on the fixed side of the third clamping claw 273 through the limiting ring conveying mechanism 275. In the present invention, the semicircular limiting ring 50 can be effectively fixed in the positioning groove through the air suction port.

[0060] The limiting ring transmission mechanism 275 described in the present invention includes a third bracket 2751 arranged on the second machine 21, a third horizontal groove rail 2752 is arranged on the third bracket 2751, a third moving belt is arranged in the third horizontal groove rail 2752 through a third rotating shaft and a third pulley, a third transfer motor is arranged on one side of the third horizontal groove rail 2752, the output shaft of the third transfer motor is connected to one of the third rotating shafts, a third moving seat 2753 is fixedly arranged on the third moving belt, a third vertical cylinder 2754 is arranged on the outer side of the third moving seat 2753, the output shaft of the third vertical cylinder 2754 is arranged downward, and a fourth clamping claw 2755 is arranged on the output shaft of the third vertical cylinder 2754.

[0061] The cylinder conveying mechanism 28 in the present invention includes a fourth bracket 281 arranged on the second machine 21, a fourth horizontal groove 282 is arranged on the fourth bracket 281, a fourth moving belt is arranged in the fourth horizontal groove 282 through a fourth rotating shaft and a fourth pulley, a fourth transfer motor 283 is arranged on one side of the fourth horizontal groove 282, the output shaft of the fourth transfer motor is connected to one of the fourth transfer motor rotating shafts, a fourth moving seat 284 is fixedly arranged on the fourth moving belt, a fourth vertical cylinder 285 is arranged on the outer side of the fourth moving seat 284, the output shaft of the fourth vertical cylinder 285 is arranged downward, a third cylinder transfer head 286 is arranged on the output shaft of the fourth vertical cylinder 285, and a second flipping mechanism 287 that can clamp the cylinder 10 in the third cylinder transfer head 286 and flip it into the piston body positioning fixture 23 is provided on the second machine 21 between the fourth horizontal groove 282 and the second turntable 22.

[0062] In the present invention, the second flipping mechanism 287 includes a second flipping frame 2871, on which a lifting cylinder 2872 is provided, on the output shaft of the lifting cylinder 2872 a mounting plate 2873 is provided, on the outer side of the mounting plate 2873 a second flipping motor 2874 is provided, on the output shaft of the second flipping motor 2874 a second flipping arm 2875 is provided, and on the second flipping arm 2875 a sixth clamping claw 2876 is provided.

[0063] The pressing mechanism 29 of the present invention comprises a fifth bracket 291 disposed on the second machine platform 21, and a pressing head 292 is disposed on the fifth bracket 291 and can move up and down relative to the fifth bracket 291. The cylinder body 10 can be sleeved outside the piston body 20 through the pressing mechanism 29 of the present invention.

[0064] In the present invention, the second delivery mechanism 210 includes a sixth bracket 2101 arranged on the second machine 21, a first electric slide rail 2102 is provided on the sixth bracket 2101, a second rotating motor 2103 is provided on the sliding seat of the first electric slide rail 2102, a second rotating arm 2104 is provided on the output shaft of the second rotating motor 2103, and a seventh clamping air claw 2105 is provided on the second rotating arm 2104.

[0065] The buckling mechanism 24 in the present invention includes a buckling seat 241 disposed on the second rotating disk 22, an eighth clamping air claw 242 is disposed on the buckling seat 241, the eighth clamping air claw 242 is disposed above the piston body positioning fixture 23, and a positioning arc groove 243 is disposed inside the air claw head of the eighth clamping air claw 242 to cooperate with the limiting ring 50. In the present invention, the two semicircular limiting rings 50 can be assembled on the piston body 20 by retracting the eighth clamping air claw 242 inwardly.

[0066] The plastic shell assembly mechanism 3 of the present invention includes a third machine 31, on which a plastic shell carrying plate 32 is provided, and on one side of the feeding end of the third machine 31, a third manipulator 33 is provided, which can grab the silicone shell 70 in the plastic shell carrying plate 32 and insert it into the cylinder 10 on the transfer fixture 5, and on the third machine 31, a plastic shell pressing mechanism 34 is provided, which can press the silicone shell 70 into the cylinder 10, and on one side of the discharge end of the plastic shell pressing mechanism 34 ... The fixture 5 is provided with a third flipping mechanism 35 for flipping the cylinder body 10 with a silicone shell, a bottom cover carrier plate 36 is provided on one side of the discharge end of the third machine 31, and a fourth manipulator 37 is provided on the third machine 31 on one side of the bottom cover carrier plate 36, which can grab the bottom cover 60 in the bottom cover carrier plate 36 and send it to the piston body 20 on the transfer fixture 5, and a bottom cover pressing mechanism 38 is provided at the discharge end of the third machine 31, which can press the silicone shell 70 into the end of the piston body 20. In the present invention, the silicone shell 70 in the rubber shell carrier plate 32 is taken out by the third manipulator 33, and is inserted into the cylinder body 10 on the transfer fixture 5, and then the two are pressed and assembled together by the rubber shell pressing mechanism 34. After assembly, the workpiece is flipped by the third flipping mechanism 35, and the bottom cover 60 is taken out from the bottom cover supporting plate 36 by the fourth manipulator 37 and sent to the piston body 20 on the transfer fixture 5, and the bottom cover 60 is pressed onto the piston body 20 by the bottom cover pressing mechanism 38.

[0067] The plastic shell pressing mechanism 34 of the present invention comprises a first support frame 341 , a first pressing cylinder 342 is provided at a position corresponding to the transfer fixture 5 of the first support frame 341 , and a first pressing head is provided on the output shaft of the first pressing cylinder 342 .

[0068] The third flipping mechanism 35 described in the present invention includes a third flipping frame 351 arranged on the third machine 31, a second electric slide rail 352 is provided on the third flipping frame 351, a third flipping motor 353 is provided on the sliding seat of the second electric slide rail 352, a third flipping arm 354 is provided on the output shaft of the third flipping motor 353, and a ninth clamping air claw 355 is provided on the second flipping arm 2875.

[0069] The bottom cover press-fitting mechanism 38 of the present invention comprises a second support frame 381 , a second press-fitting cylinder 382 is provided at a position of the second support frame 381 corresponding to the transfer fixture 5 , and a second press-fitting head is provided on the output shaft of the second press-fitting cylinder 382 .

[0070] The detection mechanism 4 described in the present invention includes a fourth machine 41, on which a fourth turntable 42 is provided, and on which a plurality of finished product positioning fixtures 43 are evenly distributed along the circumferential direction, a finished product transfer mechanism 44 is provided on the fourth machine 41, which can deliver the product in the transfer fixture 5 into the finished product positioning fixture 43, at least one detection head 45 is provided on the outer side of the fourth turntable 42, and a third delivery mechanism 46 is provided on the fourth machine 41 on the discharge end side of the detection head 45, and a discharge conveyor belt 47 is provided on the fourth machine 41, and three baffles 48 are arranged at intervals on the discharge conveyor belt 47, and the baffles 48 separate the discharge conveyor belt 47 into a qualified product conveying channel 49 and an unqualified product conveying channel 410. In the present invention, the workpiece in the transfer fixture 5 on the conveying mechanism 6 is taken out by the finished product transfer mechanism 44 and sent into the finished product positioning fixture 43. The appearance and other features of the workpiece after assembly are detected by the detection head 45, and the qualified and unqualified workpieces are respectively sent to the qualified product conveying channel 49 and the unqualified product conveying channel 410 by the third delivery mechanism 46.

[0071] The finished product transfer mechanism 44 described in the present invention includes a seventh bracket 441 arranged on the fourth machine 41, a seventh transverse groove rail 442 is arranged on the seventh bracket 441, a seventh moving belt is arranged in the seventh transverse groove rail 442 through a seventh rotating shaft and a seventh pulley, a seventh transfer motor 443 is arranged on one side of the seventh transverse groove rail 442, the output shaft of the seventh transfer motor 443 is connected to one of the seventh rotating shafts, a seventh moving seat 444 is fixedly arranged on the seventh moving belt, a third electric slide rail 445 is arranged on the outer side of the seventh moving seat 444, and a tenth clamping air claw 446 is arranged on the sliding seat of the third electric slide rail 445.

[0072] The third delivery mechanism 46 of the present invention includes an eighth bracket 461 arranged on the fourth machine 41, an eighth transverse groove rail 462 is arranged on the eighth bracket 461, an eighth moving belt is arranged in the eighth transverse groove rail 462 through an eighth rotating shaft and an eighth pulley, an eighth transfer motor 463 is arranged on one side of the eighth transverse groove rail 462, the output shaft of the eighth transfer motor 463 is connected to one of the eighth rotating shafts, an eighth moving seat 464 is fixedly arranged on the eighth moving belt, a fourth electric slide rail 465 is arranged on the outer side of the eighth moving seat 464, a fourth electric slide rail 465 is arranged on the outer side of the eighth moving seat 464, and an eleventh clamping air claw 466 is arranged on the sliding seat of the fourth electric slide rail 465.

[0073] The conveying mechanism 6 described in the present invention includes a conveying bracket 61, on which a conveying belt 62 is arranged, and the transfer clamp 5 includes a clamp seat 51 slidably arranged on the conveying bracket 61, and the clamp seat 51 is arranged on the conveying belt 62. A clamping station 52 capable of clamping the piston body 20, a first accommodating seat 53 and a second accommodating seat 54 capable of accommodating the cylinder body 10 or the finished product are respectively arranged on the clamp seat 51.

[0074] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A vacuum pump automated assembly device, characterized in that: It comprises a cylinder assembly mechanism (1), a piston assembly mechanism (2), a rubber shell assembly mechanism (3), a detection mechanism (4), a transfer fixture (5) and a conveying mechanism (6); The transfer fixture (5) is used to carry the workpiece and is arranged on the conveying mechanism (6); The conveying mechanism (6) is used to respectively convey the transfer fixture (5) to the workstations where the cylinder assembly mechanism (1), the piston assembly mechanism (2), the rubber shell assembly mechanism (3), and the detection mechanism (4) are located; The cylinder assembly mechanism (1) is used to send the breathing valve (40) into the cylinder (10) for assembly; the assembled cylinder (10) is sent into the transfer fixture (5) and transported to the workstation where the piston assembly mechanism (2) is located; The piston body assembly mechanism (2) is used to assemble the limit ring (50) on the piston body (20), and to assemble the assembled piston body (20) in the cylinder body (10), and after assembly, to be sent into the transfer fixture (5) and transported to the workstation where the plastic shell assembly mechanism (3) is located; The silicone shell assembly mechanism (3) is used to assemble the silicone shell (70) on the cylinder body (10) and to assemble the bottom cover (60) on the end of the piston body (20), and after assembly, to be sent into the transfer fixture (5) and transported to the workstation where the detection mechanism (4) is located; The detection mechanism (4) is used to detect the assembled vacuum pump.

2. The automatic assembly equipment for vacuum pumps according to claim 1, characterized in that: The cylinder assembly mechanism (1) comprises a first machine platform (11), a first turntable (12) is provided on the first machine platform (11), the first turntable (12) is driven by a first motor, a plurality of cylinder clamps (13) for fixing the cylinder (10) are provided on the first turntable (12) along a circumferential direction, a cylinder feeding mechanism (14) is provided on one side of a cylinder feeding end of the first turntable (12), and the first turntable (12) and the cylinder feeding mechanism (14) are provided between the first turntable (12) and the cylinder feeding mechanism (14). A cylinder transfer mechanism (15) is provided on a machine platform (11) and is capable of feeding a cylinder (10) on a cylinder feeding mechanism (14) into a cylinder fixture (13). A breathing valve delivery mechanism (17) is provided on the first machine platform (11) on one side of the first turntable (12) and is capable of feeding a breathing valve (40) into the cylinder (10) and performing press-fit assembly. A first delivery mechanism (16) is provided on the first machine platform (11) and is capable of delivering the assembled cylinder (10) to the delivery fixture (5).

3. The automatic assembly equipment for vacuum pumps according to claim 1, characterized in that: The piston body assembly mechanism (2) comprises a second machine platform (21), on which a second turntable (22) is provided, on which a plurality of piston body positioning fixtures (23) are evenly distributed along a circumferential direction, and at positions corresponding to the second turntable (22) and the piston body positioning fixtures (23), a snap-fit ​​mechanism (24) capable of assembling two semicircular limit rings (50) on the piston body (20) is arranged one-to-one, and on the second machine platform (21) outside the second turntable (22), a piston body feeding mechanism (25), a piston seal assembly mechanism (26), a limit ring conveying mechanism (27), a cylinder conveying mechanism (28), a pressing mechanism (29) and a second delivery mechanism (210) are sequentially arranged in a counterclockwise direction at intervals.

4. The automatic assembly equipment for vacuum pumps according to claim 3, characterized in that: The piston body feeding mechanism (25) comprises a piston body feeding platform (251), a piston body feeding conveyor belt (252) is provided on the piston body feeding platform (251), second positioning levers (253) are provided on both sides of the upper end of the piston body feeding conveyor belt (252) along the conveying direction, and a piston body conveying motor (254) is provided on the piston body feeding platform (251), and the output shaft of the piston body conveying motor (254) is connected to the piston body feeding conveyor belt (252). The piston body feeding conveyor belt (252) is connected to a transmission shaft, the discharge end of the piston body feeding conveyor belt (252) extends into the second machine platform (21), a first turning mechanism (253) capable of turning the piston body (20) is provided on the second machine platform (21) on the discharge end side of the piston body feeding conveyor belt (252), and a piston body feeding mechanism (254) capable of feeding the turned piston body (20) into the piston body positioning fixture (23) is provided between the first turning mechanism (253) and the piston body feeding conveyor belt (252).

5. The automatic assembly equipment for vacuum pumps according to claim 3, characterized in that: The piston seal assembly mechanism (26) comprises a piston seal carrier plate (261) arranged on a second machine platform (21); a second manipulator (262) is arranged on the second machine platform (21) between the piston seal carrier plate (261) and the second turntable (22); and a piston seal pressing mechanism (263) is arranged on the second manipulator (262) for feeding the piston seal (30) onto the piston body (20) on the piston body positioning fixture (23) and pressing the piston seal (30) thereon.

6. The automatic assembly equipment for vacuum pumps according to claim 3, characterized in that: The limiting ring conveying mechanism (27) comprises a third rotating disk (271) arranged on the second machine platform (21); a plurality of second telescopic cylinders (272) are evenly distributed along the circumferential direction on the third rotating disk (271); a mounting platform is arranged on the output shaft of the second telescopic cylinder (272); a third clamping claw (273) is arranged on the mounting platform; a suction port is arranged in the claw head of the third clamping claw (273); the suction port is connected to a suction pipe; a positioning groove is arranged on the claw head; vibration disk mechanisms (274) are symmetrically arranged on the second machine platform (21) on both sides of the third rotating disk (271); and a limiting ring conveying mechanism (275) is arranged between the vibration disk mechanism (274) and the third rotating disk (271) and is capable of conveying the limiting ring (50) at the discharge end of the vibration disk mechanism (274) into the positioning groove.

7. The automatic assembly equipment for vacuum pumps according to claim 3, characterized in that: The cylinder conveying mechanism (28) includes a fourth bracket (281) arranged on the second machine platform (21), a fourth transverse groove rail (282) is arranged on the fourth bracket (281), a fourth moving belt is arranged in the fourth transverse groove rail (282) via a fourth rotating shaft and a fourth pulley, a fourth transfer motor (283) is arranged on one side of the fourth transverse groove rail (282), the output shaft of the fourth transfer motor is connected to one of the fourth transfer motor rotating shafts, and a fourth moving belt is fixedly arranged on the fourth moving belt. A fourth movable seat (284) is provided on the outer side of the fourth movable seat (284), the output shaft of the fourth vertical cylinder (285) is arranged downward, a third cylinder body transfer head (286) is provided on the output shaft of the fourth vertical cylinder (285), and a second turning mechanism (287) capable of clamping the cylinder body (10) in the third cylinder body transfer head (286) and turning it over to send it into the piston body positioning fixture (23) is provided on the second machine platform (21) between the fourth horizontal groove rail (282) and the second turntable (22).

8. The automatic assembly equipment for vacuum pumps according to claim 1, characterized in that: The plastic shell assembly mechanism (3) comprises a third machine (31), on which a plastic shell carrying plate (32) is provided, and on one side of a feeding end of the third machine (31) is provided a third manipulator (33) capable of grabbing a silicone shell (70) in the plastic shell carrying plate (32) and inserting the silicone shell into a cylinder (10) on a transfer fixture (5), and on the third machine (31) is provided a plastic shell pressing mechanism (34) capable of pressing the silicone shell (70) into the cylinder (10), and on one side of a discharging end of the plastic shell pressing mechanism (34) is provided a third manipulator (33) capable of pressing the transfer fixture (5) into a cylinder (10). 5) a third turning mechanism (35) for turning over a cylinder body (10) with a silicone shell on it, a bottom cover carrying plate (36) being provided on one side of a discharge end of the third machine platform (31), a fourth manipulator (37) being provided on the third machine platform (31) on one side of the bottom cover carrying plate (36) for grabbing a bottom cover (60) in the bottom cover carrying plate (36) and feeding it into a piston body (20) on a transfer fixture (5), and a bottom cover pressing mechanism (38) being provided at the discharge end of the third machine platform (31) for pressing the silicone shell (70) into the end of the piston body (20).

9. The automatic assembly equipment for vacuum pumps according to claim 1, characterized in that: The detection mechanism (4) comprises a fourth machine (41), a fourth turntable (42) is provided on the fourth machine (41), a plurality of finished product positioning fixtures (43) are evenly distributed on the fourth turntable (42) along the circumferential direction, a finished product transfer mechanism (44) is provided on the fourth machine (41) and is capable of transferring products in the transfer fixture (5) into the finished product positioning fixture (43), at least one detection head (45) is provided on the outer side of the fourth turntable (42), a third delivery mechanism (46) is provided on the fourth machine (41) on the discharge end side of the detection head (45), a discharge conveyor belt (47) is provided on the fourth machine (41), and three baffles (48) are arranged at intervals on the discharge conveyor belt (47), and the baffles (48) divide the discharge conveyor belt (47) into a qualified product conveying channel (49) and a failed product conveying channel (410).

10. The automatic assembly equipment for vacuum pumps according to claim 1, characterized in that: The conveying mechanism (6) comprises a conveying support (61), on which a conveying belt (62) is arranged; the transfer fixture (5) comprises a fixture seat (63) slidably arranged on the conveying support (61), the fixture seat (63) being arranged on the conveying belt (62); and a clamping station (64) capable of clamping a piston body (20), a first accommodating seat (65) and a second accommodating seat (66) capable of accommodating a cylinder body (10) or a finished product are respectively arranged on the fixture seat (63).

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