Device for assembling plastic needle and exhaust short pipe

Abstract

The device comprises a first supporting frame and a second supporting frame, a vibration disc is arranged on the first supporting frame, and a plastic needle linear vibration feeding mechanism and a plastic needle taking, overturning and feeding mechanism are arranged on the second supporting frame. The plastic needle linear vibration feeding mechanism is used for acquiring plastic needles on the plastic needle linear vibration feeding mechanism, detecting the orientation of a plastic needle air channel pipe, rotating the plastic needles facing backwards, turning over the plastic needles to be in a horizontal state, feeding the plastic needles to the chain conveying mechanism, and aligning the plastic needles in the chain conveying mechanism through a first aligning mechanism; the aligned plastic needles are obtained through the plastic needle transfer mechanism, the plastic needles are placed in the transfer alignment mechanism, the plastic needles are aligned through the transfer alignment mechanism, the plastic needles on the transfer alignment mechanism are obtained through the plastic needle overturning and assembling mechanism, the plastic needles are overturned to be in a vertical state, and assembling of the plastic needles and the exhaust short pipes clamped by the position correcting mechanism is achieved. According to the device, the plastic needle and the exhaust short pipe can be efficiently assembled.

Description

Technical Field

[0001] The invention relates to the technical field of infusion set assembly, and in particular to a device for assembling a plastic needle and an exhaust short tube. Background Art

[0002] Plastic needles, also known as plastic bottle insertion needles, are an important part of medical intravenous infusion sets. Their function is to puncture the medicine bottle and keep the medicine in the bottle unobstructed from the infusion tube. Plastic needles usually include a needle body and an airway tube connected to the needle body, and the airway tube is used to connect to the air filter through the exhaust short tube.

[0003] At present, during the assembly process of the infusion set, the airway tube of the plastic needle and the exhaust short tube need to be assembled. However, in the prior art, it is difficult to distinguish the front and back feeding directions of some plastic needles, resulting in the inability to use automated equipment on a large scale to realize the assembly of the plastic needle and the exhaust short tube. Manufacturers can only replace the plastic needle products or use manual assembly, which ultimately leads to a small amount of such products on the market and a corresponding increase in costs. Summary of the invention

[0004] In order to solve the problems existing in the prior art, the present application proposes a device for assembling a plastic needle with an exhaust short pipe, so that it can automatically detect and adjust the direction of the airway tube in the plastic needle, so that it can be efficiently assembled with the exhaust short pipe, and the assembly yield is high.

[0005] In order to achieve the above-mentioned purpose, the present application proposes a device for assembling a plastic needle with an exhaust short pipe, comprising a first support frame (1) and a second support frame (3), wherein a vibration plate (2) is provided on the first support frame (1), and a plastic needle linear vibration feeding mechanism (4) and a plastic needle material taking and turning feeding mechanism are provided on the second support frame (3) along the direction from back to front, wherein the plastic needle (A) from the vibration plate (2) is transmitted to the plastic needle linear vibration feeding mechanism (4), and the plastic needle material taking and turning feeding mechanism is used to obtain the plastic needle (A) in an upright state on the plastic needle linear vibration feeding mechanism (4), and detect the direction of the airway tube of the plastic needle (A), and turn the airway tube toward the rear of the plastic needle (A). The needle (A) is rotated so that the airway tube faces forward, and each plastic needle (A) is turned over to a horizontal state and loaded onto the chain conveying mechanism (9). The plastic needles (A) in the chain conveying mechanism (9) are aligned through the first alignment mechanism (10), and the aligned plastic needles (A) on the chain conveying mechanism (9) are obtained through the plastic needle transfer mechanism (13), and the plastic needles (A) are placed on the transfer alignment mechanism (12). The plastic needles (A) are aligned again through the transfer alignment mechanism (12), and the aligned plastic needles (A) on the transfer alignment mechanism (12) are obtained through the plastic needle flipping assembly mechanism (14), and flipped to an upright state, and then the plastic needles (A) are placed on the chain conveying mechanism (9) through the plastic needle flipping assembly mechanism (14). (14) realizes the assembly of the airway tube of the plastic needle (A) and the exhaust short pipe (B) clamped by the positioning mechanism (15); wherein the plastic needle material taking, flipping and loading mechanism includes a third support frame (5) arranged on the second support frame (3), and the third support frame (5) includes a first bottom plate (501) arranged on the second support frame (3), and two first vertical plates (502) are oppositely arranged on the first bottom plate (501), and the top ends of the two first vertical plates (502) are connected to the first top plate (503), and a first cylinder (504) and a first slide rail (505) are arranged on the upper surface of the first bottom plate (501), and a first slide used in conjunction with the first slide rail (505) is provided. The block (506) is assembled on the plastic needle linear material transfer mechanism (6), the telescopic rod of the first cylinder (504) is connected to the plastic needle linear material transfer mechanism (6) via a connector, the plastic needle linear material transfer mechanism (6) can clamp the N plastic needles (A) at the front end of the plastic needle linear vibration feeding mechanism (4), when the first cylinder (504) is driven to move, the plastic needle linear material transfer mechanism (6) can move forward to drag the plastic needle (A) to a preset position, at which time the plastic needle (A) is in an upright state, and a limit mechanism (507) for limiting the moving stroke of the plastic needle linear material transfer mechanism (6) is also provided on the upper surface of the first bottom plate (501);A second cylinder (508) is provided on the first top plate (503) via a first cylinder seat plate (5013), and a second slide rail (509) is also provided on the first top plate (503). A second slider (5010) used in conjunction with the second slide rail (509) is mounted on a plastic needle linear detection rotating mechanism (7). The telescopic rod of the second cylinder (508) is connected to the plastic needle linear detection rotating mechanism (7) via a connector. The plastic needle linear detection rotating mechanism (7) is used to detect the direction of the airway tube of each plastic needle (A), obtain each plastic needle (A) at the plastic needle linear material transfer mechanism (6), and rotate the airway tube toward the rear plastic needle (A). The airway tube is turned to face forward, and when the second air cylinder (508) is driven to move, the plastic needle linear detection rotating mechanism (7) can move in the front-rear direction. A limit mechanism is also provided on the first top plate (503) to limit the moving stroke of the plastic needle linear detection rotating mechanism (7). A plastic needle receiving material steering mechanism (8) is also provided on the first bottom plate (501) to obtain the plastic needle (A) facing forward from the airway tube at the plastic needle linear detection rotating mechanism (7), and can be turned over to make the plastic needle (A) in a horizontal state. At this time, the airway tube faces downward, and the plastic needle (A) in a horizontal state is placed on the chain transmission mechanism (9). ;

[0006] In some embodiments, the structure of the plastic needle linear vibration feeding mechanism (4) is as follows: it includes a height adjustment mechanism arranged on the second support frame (3), the height adjustment mechanism is provided with a straight vibration seat plate (404), the straight vibration seat plate (404) is provided with a linear vibrator (405), the linear vibrator (405) is provided with a material channel seat plate (406), the material channel seat plate (406) is provided with N linear vibration material channels (407) along the left and right directions, N is a positive integer, each linear vibration material channel (407) is arranged along the front and back directions, the value of N is half of the number of exhaust short pipes (B) to be assembled, the linear vibration material channel (4 07) has a U-shaped cross-section so that the plastic needles (A) can be transported upright from back to front. A material channel pressure plate (408) is provided on the linear vibrating material channel (407). An optical fiber bracket (409) is provided at the rear end of the material channel pressure plate (408) corresponding to each linear vibrating material channel (407). A full material detection optical fiber (4010) is installed on the optical fiber bracket (409) for detecting whether there are enough plastic needles (A) on the linear vibrating material channel (407). The full material detection optical fiber (4010) is connected to the control unit; a material arrival detection optical fiber (4011) is installed at the front end of each linear vibrating material channel (407) for detecting whether the plastic needles ( A) is transmitted to the front end of the linear vibrating material channel (407), the arrival detection optical fiber (4011) is connected to the control unit, and two mutually cooperating retaining claws (4012) are also provided at the front end of each linear vibrating material channel (407), and each retaining claw (4012) is penetrated by an axle pin screw (4014), and the axle pin screw (4014) is inserted into the mounting hole of the linear vibrating material channel (407) along the up and down direction, so that the retaining claw (4012) can rotate relative to the linear vibrating material channel (407), and a torsion spring (4013) is provided on the axle pin screw (4014), and one end of the torsion spring (4013) is pressed against the linear vibrating material channel (407). Connected to the outer wall of the linear vibration material channel (407), when there is no external force, the two mutually cooperating catches (4012) prevent the plastic needle (A) from moving forward. When there is an external force, the catch (4012) can rotate to allow the plastic needle (A) to move forward. When the external force disappears, under the action of the torsion spring (4013), the catch (4012) can rotate to its original position. The plastic needle material taking and flipping feeding mechanism can obtain the current N plastic needles (A) on the plastic needle linear vibration feeding mechanism (4), and the remaining plastic needles (A) continue to stay on the plastic needle linear vibration feeding mechanism (4) through the catch (4012).

[0007] In some embodiments, the structure of the plastic needle linear detection rotation mechanism (7) is as follows: it includes a first slide plate (701), the lower surface of the first slide plate (701) is equipped with the second slide block (5010), the upper surface of the first slide plate (701) is provided with a third cylinder (702), the telescopic rod of the third cylinder (702) passes through a through hole provided on the first slide plate (701) and is connected to the first lifting plate (704) via a first connector (703), and a plurality of first guide shafts (705) are also provided on the upper surface of the first lifting plate (704), which are divided into two groups and symmetrically provided on the left and right sides of the third cylinder (702), and each first guide shaft (705) is connected to the corresponding first linear bearing (706) ) are used in conjunction with the first linear bearing (706) which is passed through the first slide plate (701). A first lifting limit plate (707) is also provided on the upper surface of the first slide plate (701) to limit the rising stroke of the first guide shaft (705); a plastic needle direction detection mechanism (708) and a plastic needle rotation mechanism (709) are provided on the lower surface of the first lifting plate (704) in sequence from front to back. The plastic needle direction detection mechanism (708) is used to detect the direction of the airway tube of each plastic needle (A), and the plastic needle rotation mechanism (709) is used to obtain each plastic needle (A) at the plastic needle linear material transfer mechanism (6), and can rotate the airway tube toward the rear plastic needle (A) so that the airway tube faces forward.

[0008] In some embodiments, the structure of the plastic needle direction detection mechanism (708) is as follows: it includes a second mounting plate (7081) mounted on the lower surface of the first lifting plate (704), and two third vertical plates (7082) are oppositely arranged on the lower surface of the second mounting plate (7081), and the lower ends of the two third vertical plates (7082) are connected to the third mounting plate (7083), and a fourth cylinder (7084) is mounted on the lower surface of the third mounting plate (7083), and the telescopic rod of the fourth cylinder (7084) is connected to the probe base plate (7086) via a second connecting head (7085), and two second guide shafts (7088) are also connected to the probe base plate (7086), and the two are respectively arranged on the left and right sides of the fourth cylinder (7084). Each second guide shaft (7088) is used in conjunction with the corresponding second linear bearing (7087), and the two second linear bearings (7087) are mounted on the lower surface of the third mounting plate (7083). N probes (7089) are provided on the probe seat plate (7086) at intervals along the left and right directions. The probe seat plate (7086) is also equipped with N photoelectric sensors (70811) via N sensor seat plates (70810). Each photoelectric sensor (70811) is used in conjunction with each probe (7089) in a one-to-one correspondence. The photoelectric sensor (70811) is connected to the control unit. Through the cooperation between the photoelectric sensor (70811) and the probe (7089), the direction of the plastic needle (A) airway tube can be detected.

[0009] In some embodiments, the structure of the plastic needle rotating mechanism (709) is as follows: it includes a fourth mounting plate (7091) mounted on the lower surface of the first lifting plate (704), the lower surface of the fourth mounting plate (7091) is provided with two side support plates (7092) opposite to each other, the lower ends of the two side support plates (7092) are connected to the fifth mounting plate (7093), the fourth mounting plate (7091) is provided with N mounting holes spaced apart along the left and right directions, each mounting hole is rotatably connected to a rotating shaft (7096) via a first bearing (7094), the fifth mounting plate (7093) is provided with N mounting holes corresponding to the left and right directions, each mounting hole is rotatably connected to a rotating shaft (7096) via a second bearing (7094), The bearing (7095) is rotatably connected to the rotating shaft (7096), and the lower end of each rotating shaft (7096) is connected to a second air gripper (7099) via a connecting ring (7098). Each second air gripper (7099) is provided with two second claw fingers (70923) used in conjunction with each other. When the second air gripper (7099) is driven to move, the two second claw fingers (70923) used in conjunction with each other can clamp or release the plastic needle (A); each rotating shaft (7096) is fixedly sleeved with a gear (7097), and the gear (7097) is located between the corresponding first bearing (7094) and the second bearing (7095), and is used in conjunction with all the gears (7097). The rack (70915) is connected to the third slide rail (70914), the third slide rail (70914) slides left and right along the third slide block (70913) fixed on the slide block fixing plate (70910), the slide block fixing plate (70910) is fixed on the fourth mounting plate (7091), a second cylinder seat plate (70911) is provided on the slide block fixing plate (70910), a fifth cylinder (70912) is assembled on the second cylinder seat plate (70911), a telescopic rod of the fifth cylinder (70912) is connected to the connecting rod (70917) via a third connector (70916), and the connecting rod (70917) and The cylinder push plate (70918), the push plate fixing plate (70919) and the rack (70915) are connected in sequence. When the fifth cylinder (70912) is driven to operate, the rack (70915) can move in the left and right directions, driving each rotating shaft (7096) to rotate, so as to rotate the plastic needle (A) facing the rear of the airway tube so that the airway tube faces the front. A limiting mechanism (70920) is also provided on the side support plate (7092) for limiting the moving stroke of the rack (70915). The front and rear end faces of the fourth mounting plate (7091) can be respectively provided with a first protective cover (70921) and a second protective cover (70922).

[0010] In some embodiments, the structure of the plastic needle material diverting mechanism (8) is as follows: it includes a third bottom plate (801) fixed on the first bottom plate (501), and two first bearing seat plates (802) are oppositely arranged on the upper surface of the third bottom plate (801), and each first bearing seat plate (802) is connected to the flip shaft (804) via a third bearing (803), and both ends of the flip shaft (804) extend out of the corresponding first bearing seat plates (802), and one end of the flip shaft (804) is fixedly connected to a first flip limit plate (805), and a first bearing seat plate (802) corresponding to the first flip limit plate (805) is provided. A buffer seat plate (806), wherein two buffers are arranged at intervals on the first buffer seat plate (806) for use with the first flip limit plate (805), and are respectively used to cooperate with the first flip limit plate (805) when the flip shaft (804) rotates forward and reversely, and the other end of the flip shaft (804) is fixedly connected to a flip connection frame (807), and a joint bearing through pin (809) is arranged on the flip connection frame (807), and the joint bearing through pin (809) is connected to an adapter (808) via a bearing, and the adapter (808) is connected to a telescopic rod of a sixth cylinder (8010), and the sixth cylinder (8010) ) are connected to the second bearing seat plate (8012) via the fourth bearing (8011) at both ends of the cylinder body, the two second bearing seat plates (8012) are arranged on the fourth bottom plate (8013) opposite to each other, the fourth bottom plate (8013) is fixed on the first bottom plate (501), and when the sixth cylinder (8010) is driven to move, the rotation of the flip shaft (804) can be realized; a guide shaft mounting frame (8014) is fixedly connected to the flip shaft (804), and two third guide shafts (8015) are arranged on the guide shaft mounting frame (8014) at intervals along the up-down direction, and each third guide shaft (8015) is arranged along the left-right direction. , N second air gripper base plates (8016) are provided along the left-right direction, and each second air gripper base plate (8016) is provided with two third linear bearings (8019) used in conjunction with the corresponding third guide shaft (8015), so that the second air gripper base plate (8016) can move left and right along the third guide shaft (8015), and each second air gripper base plate (8016) is provided with a third air gripper (8017), and the third air gripper (8017) is provided with two third claw fingers (8018) used in conjunction with each other, and when the third air gripper (8017) is driven to move, the plastic needle (A) can be clamped or released through the two third claw fingers (8018);A fifth bearing (8020) is connected to the front surface of each second air claw seat plate (8016), a seventh air cylinder (8024) is mounted on the guide shaft mounting frame (8014), the telescopic rod of the seventh air cylinder (8024) is connected to the slide plate seat plate (8023) via a fourth connector (8025), the slide plate seat plate (8023) is also connected to two fourth guide shafts (8026), the two are arranged on the left and right sides of the seventh air cylinder (8024), each fourth guide shaft (8026) is used in conjunction with a corresponding fourth linear bearing (8027), the two fourth linear bearings (8027) are mounted on the guide shaft mounting frame (8014), and the slide plate (8023) is fixed with a fourth linear bearing (8027). 21), the slide plate (8021) is provided with N slideways (8022) at intervals, and each fifth bearing (8020) can slide in the corresponding slideway (8022). When the seventh cylinder (8024) is driven to move the slide plate seat plate (8023) downward, each fifth bearing (8020) slides along the corresponding slideway (8022), driving the corresponding second air claw seat plate (8016) to move along the third guide shaft (8015), thereby increasing the distance between two adjacent second air claw seat plates (8016); conversely, when the seventh cylinder (8024) is driven to move the slide plate seat plate (8023) upward, the distance between two adjacent second air claw seat plates (8016) can be reduced. ;

[0011] In some embodiments, a fourth support frame (11) is further included, wherein the fourth support frame (11) includes a fifth base plate (1101), and the fifth base plate (1101) is fixed to the second support frame (3) via a connecting plate, and two fourth vertical plates (1102) are oppositely arranged on the upper surface of the fifth base plate (1101), and the top ends of the two fourth vertical plates (1102) are connected to the second top plate (1103), and the chain conveying mechanism (9) is arranged on the fifth base plate (1101).

[0012] In some embodiments, the first alignment mechanism (10) includes a first support plate (1001) and a second support plate (1002) spaced apart along the left-right direction, the first support plate (1001) and the second support plate (1002) are both connected between the second top plate (1103) and the fifth bottom plate (1101), a transverse support plate (1003) is connected between the first support plate (1001) and the second support plate (1002), an eighth cylinder (1005) is mounted on the transverse support plate (1003) via a rib plate (1004), the eighth cylinder (1005) can drive the alignment plate (1006) to move along the front-back direction, and the plastic needles (A) on the chain conveying mechanism (9) are aligned through the alignment plate (1006).

[0013] In some embodiments, a transfer alignment mechanism (12) and a positioning mechanism (15) are sequentially provided on the fifth bottom plate (1101) along the direction from back to front, and a plastic needle transfer mechanism (13) and a plastic needle flip assembly mechanism (14) are sequentially provided on the second top plate (1103) along the direction from back to front, wherein the plastic needle transfer mechanism (13) is slidably disposed on the second top plate (1103) for obtaining each plastic needle (A) on the chain conveying mechanism (9) after alignment, and placing the plastic needle (A) on the transfer alignment mechanism (12), the transfer alignment mechanism (12) is used for aligning each plastic needle (A) again, the plastic needle flip assembly mechanism (14) is used for obtaining the aligned plastic needle (A) on the transfer alignment mechanism (12), and flipping it to make it upright, and the plastic needle flip assembly mechanism (14) assembles the plastic needle (A) airway tube with the exhaust short pipe (B) clamped by the positioning mechanism (15).

[0014] In some embodiments, the structure of the transfer alignment mechanism (12) is as follows: it includes a sixth bottom plate (1201) fixed on the fifth bottom plate (1101), a seventh bottom plate (1202) and an eighth bottom plate (12012) are sequentially arranged on the sixth bottom plate (1201) in a direction from front to back, two fifth vertical plates (1203) are arranged opposite to each other on the seventh bottom plate (1202), the top ends of the two fifth vertical plates (1203) are connected to the sixth mounting plate (1204), a tenth cylinder (1205) is installed on the lower surface of the sixth mounting plate (1204), and the telescopic rod of the tenth cylinder (1205) passes through the sixth mounting plate (1204). The through hole on the sixth connecting head (1206) is connected to the second lifting plate (1207), and the lower surface of the second lifting plate (1207) is provided with two fifth guide shafts (1208), which are respectively arranged on the left and right sides of the tenth cylinder (1205), and each fifth guide shaft (1208) is used in conjunction with a corresponding fifth linear bearing (1209), and the fifth linear bearing (1209) is penetrated on the sixth mounting plate (1204). When the tenth cylinder (1205) is driven to move, the second lifting plate (1207) can be lifted and moved, and an eleventh cylinder (12010) is provided on the upper surface of the second lifting plate (1207), and the eleventh cylinder ( 12010) drives the alignment baffle (12011) to move forward and backward, and 2N alignment top posts (12021) are arranged on the alignment baffle (12011) at intervals along the left-right direction, and each alignment top post (12021) is installed on the alignment baffle (12011) via a spring; two sixth vertical plates (12013) are arranged opposite to each other on the eighth bottom plate (12012), and the top ends of the two sixth vertical plates (12013) are connected to the seventh mounting plate (12015), and a tire seat plate (12016) is arranged on the seventh mounting plate (12015), and a tire connecting plate (12017) is arranged on the tire seat plate (12016), and the tire connecting plate (120 17) are provided with a first jig support plate (12019), a jig alignment substrate (12018) and a second jig support plate (12020) in sequence from front to back, the first jig support plate (12019) is provided with 2N first grooves spaced apart along the left-right direction, the second jig support plate (12020) is provided with 2N second grooves spaced apart along the left-right direction, the jig alignment substrate (12018) is provided with 2N insertion holes spaced apart along the left-right direction, each first groove, insertion hole and second groove corresponds to each other, and the corresponding first groove, insertion hole and second groove are used to place a plastic needle (A), and the airway tube of the plastic needle (A) is inserted at the insertion hole.

[0015] The beneficial effect of the scheme of the present application is that the above-mentioned device for assembling the plastic needle and the exhaust short tube can automatically detect and adjust the orientation of the airway tube in the plastic needle, so that the orientation of the airway tubes of each plastic needle is consistent, thereby realizing efficient assembly of the plastic needle and the exhaust short tube, and the assembly yield is relatively high. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic structural diagram showing an angle of a device for assembling a plastic needle and an exhaust short pipe in an embodiment.

[0017] Figure 2 A schematic structural diagram showing another angle of the device for assembling the plastic needle and the exhaust short pipe in the embodiment.

[0018] Figure 3 A schematic diagram of a partial structural explosion of a device for assembling a plastic needle and an exhaust short pipe in an embodiment is shown.

[0019] Figure 4 A schematic diagram of a partial structural explosion of a device for assembling a plastic needle and an exhaust short pipe in an embodiment is shown.

[0020] Figure 5 A schematic diagram of the exploded structure of the plastic needle linear vibration feeding mechanism in the embodiment is shown.

[0021] Figure 6 A schematic diagram of the exploded structure of the plastic needle material taking, flipping and loading mechanism in the embodiment is shown.

[0022] Figure 7 A schematic structural diagram of the third support frame and related components in the embodiment is shown.

[0023] Figure 8 A schematic diagram of the exploded structure of the plastic needle linear material taking and transfer mechanism in the embodiment is shown.

[0024] Fig. 9 A schematic diagram of the exploded structure of the plastic needle linear detection rotation mechanism in the embodiment is shown.

[0025] Fig.10 A schematic diagram of the exploded structure of the plastic needle direction detection mechanism in the embodiment is shown.

[0026] Fig.11 A schematic diagram of the exploded structure of the plastic needle rotating mechanism in the embodiment is shown.

[0027] Fig.12 A schematic diagram of the exploded structure of the plastic needle material receiving and diverting mechanism in the embodiment is shown.

[0028] Fig.13 A schematic structural diagram of the transfer and alignment mechanism in the embodiment is shown.

[0029] Fig.14 A schematic diagram of the exploded structure of the transfer and alignment mechanism in the embodiment is shown.

[0030] Fig.15 A structural schematic diagram of the plastic needle transfer mechanism in the embodiment is shown.

[0031] Fig.16 A schematic diagram of the exploded structure of the plastic needle transfer mechanism in the embodiment is shown.

[0032] Fig.17 A structural schematic diagram of the plastic needle flip assembly mechanism in the embodiment is shown.

[0033] Fig.18 A schematic diagram of the exploded structure of the plastic needle flip assembly mechanism in the embodiment is shown.

[0034] Fig.19 A schematic diagram of the structure after the plastic needle and the exhaust short pipe are assembled in the embodiment is shown.

[0035] Figure markings: A-plastic needle, B-exhaust short pipe, 1-first support frame, 2-vibration plate, 3-second support frame, 4-plastic needle linear vibration feeding mechanism, 401-straight vibration lower bottom plate, 402-straight vibration height adjustment screw, 403-straight vibration upper bottom plate, 404-straight vibration seat plate, 405-linear vibrator, 406-material channel seat plate, 407-linear vibration material channel, 408-material channel pressure plate, 409-optical fiber bracket, 4010-full material detection optical fiber, 4011-arrival material detection optical fiber, 4012-stop claw, 4013-torsion spring, 4014-axle pin screw, 5-third support frame, 501-first bottom plate, 502-first vertical plate, 503-first top plate, 504-first cylinder, 505-first slide rail, 506 -first slider, 507-limiting mechanism, 508-second cylinder, 509-second slide rail, 5010-second slider, 5011-limiting mechanism, 5012-limiting mechanism, 5013-first cylinder seat plate, 6-plastic needle linear material transfer mechanism, 601-second bottom plate, 602-second vertical plate, 603-first mounting plate, 604-first air claw seat plate, 605-first air claw, 606-first claw finger, 7-plastic needle linear detection rotation mechanism, 701-first slide plate, 702-third cylinder, 703-first connecting head, 704-first lifting plate, 705-first guide shaft, 706-first linear bearing, 707-first lifting and limiting plate, 708-plastic needle direction detection mechanism, 7081-second Mounting plate, 7082-third vertical plate, 7083-third mounting plate, 7084-fourth cylinder, 7085-second connector, 7086-probe seat plate, 7087-second linear bearing, 7088-second guide shaft, 7089-probe, 70810-sensor seat plate, 70811-photoelectric sensor, 709-plastic needle rotating mechanism, 7091-fourth mounting plate, 7092-side support plate, 7093-fifth mounting plate, 7094-first bearing, 7095-second bearing, 7096-rotating shaft, 7097-gear, 7098-connecting ring, 7099-second air claw, 70910-slider fixing plate, 70911-second cylinder seat plate, 70912-fifth cylinder, 7091 3-third slider, 70914-third slide rail, 70915-rack, 70916-third connector, 70917-connecting rod, 70918-cylinder push plate, 70919-push plate fixing plate, 70920-limiting mechanism, 70921-first guard, 70922-second guard, 70923-second claw finger, 8-plastic needle material steering mechanism, 801-third bottom plate, 802-first bearing seat plate, 803-third bearing, 804-turning shaft, 805-first turn limiting plate, 806-first buffer seat plate, 807-turning connecting frame, 808-adapter, 809-joint bearing pin, 8010-sixth cylinder, 8011-fourth bearing, 8012-second bearing seat plate,8013-the fourth base plate, 8014-the guide shaft mounting frame, 8015-the third guide shaft, 8016-the second air claw seat plate, 8017-the third air claw, 8018-the third claw finger, 8019-the third linear bearing, 8020-the fifth bearing, 8021-the slide plate, 8022-the slide, 8023-the slide plate seat plate, 8024-the seventh cylinder, 8025-the fourth connector, 8026-the fourth guide shaft, 8027-the fourth linear bearing, 9-the chain transmission mechanism, 10-the first alignment mechanism, 1001-the first support plate, 1002-the second support plate, 1003-the cross support plate, 1004-the rib plate, 1005-the eighth cylinder, 1006-the alignment plate, 11-the fourth support frame , 1101-fifth bottom plate, 1102-fourth vertical plate, 1103-second top plate, 1104-third cylinder seat plate, 1105-fourth cylinder seat plate, 1106-ninth cylinder, 1107-fifth connector, 1108-fourth slide rail, 1109-fourth slider, 11010-limiting mechanism, 11011-limiting buffer, 11012-limiting top screw, 11013-alarm light, 12-transfer alignment mechanism, 1201-sixth bottom plate, 1202-seventh bottom plate, 1203-fifth vertical plate, 1204-sixth mounting plate, 1205-tenth cylinder, 1206-sixth connector, 1207-second lifting plate, 1208-fifth guide shaft, 1209-fifth linear bearing, 12010-the eleventh cylinder, 12011-alignment baffle, 12012-the eighth bottom plate, 12013-the sixth vertical plate, 12015-the seventh mounting plate, 12016-the jig seat plate, 12017-the jig connecting plate, 12018-the jig alignment base plate, 12019-the first jig support plate, 12020-the second jig support plate, 12021-alignment top column, 13-plastic needle transfer mechanism, 1301-the second slide plate, 1302-the twelfth cylinder, 1303-the seventh connector, 1304-the third lifting plate, 1305-the sixth guide shaft, 1306-the sixth linear bearing, 1307-the second lifting limit plate, 1308-the first adapter plate, 1309-the third air claw seat plate, 130 10-the fourth air claw, 13011-the fourth claw finger, 14-the plastic needle flip assembly mechanism, 1401-the eighth mounting plate, 1402-the third bearing seat plate, 1403-the fourth bearing seat plate, 1404-the sixth bearing, 1405-the seventh bearing, 1406-the first flip shaft head, 1407-the second flip shaft head, 1408-the flip plate, 1409-the coupling, 14010-the flip cylinder, 14011-the flip cylinder seat plate, 14012-the second flip limit plate, 14013-the second buffer seat plate, 14014-the thirteenth cylinder, 14015-the second adapter plate, 14016-the fourth air claw seat plate, 14017-the fifth air claw, 14018-the fifth claw finger, 15-the positive position mechanism. , DETAILED DESCRIPTION

[0036] The specific implementation of the present application is further described below in conjunction with the accompanying drawings.

[0037] In the description of the present application, it should be understood that the terms "first", "second", etc. are used to distinguish similar objects, rather than to describe or indicate a specific order or sequence. The terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present application.

[0038] like Figures 1 to 19 As shown, the device for assembling the plastic needle and the exhaust short pipe involved in the present application includes a first support frame 1 and a second support frame 3, and a vibration disk 2, for example, two, is provided on the first support frame 1, and a plastic needle linear vibration feeding mechanism 4 and a plastic needle material picking and flipping feeding mechanism are provided on the second support frame 3 along the direction from back to front, and the plastic needle A from the vibration disk 2 is transmitted to the plastic needle linear vibration feeding mechanism 4, and the plastic needle material picking and flipping feeding mechanism is used to obtain the plastic needle A in an upright state on the plastic needle linear vibration feeding mechanism 4, and detect the direction of the airway tube of the plastic needle A, and rotate the airway tube toward the rear of the plastic needle A so that the airway tube is facing the rear. In front, each plastic needle A is turned over and loaded into a horizontal state to the chain conveying mechanism 9, and each plastic needle A in the chain conveying mechanism 9 is aligned through the first aligning mechanism 10, and each plastic needle A on the chain conveying mechanism 9 after alignment is obtained through the plastic needle transfer mechanism 13, and the plastic needle A is placed on the transfer aligning mechanism 12, and each plastic needle A is aligned again through the transfer aligning mechanism 12, and the plastic needle flipping assembly mechanism 14 is used to obtain the aligned plastic needles A on the transfer aligning mechanism 12, and flip it to make it upright, and the plastic needle flipping assembly mechanism 14 is used to realize the assembly of the airway tube of the plastic needle A and the exhaust short pipe B clamped by the alignment mechanism 15.

[0039] In this embodiment, the structure of the plastic needle linear vibration feeding mechanism 4 is as follows: it includes a height adjustment mechanism arranged on the second support frame 3, through which the height position of the plastic needle A can be adjusted to match the position of other mechanisms. Specifically, the height adjustment mechanism includes a direct vibration lower bottom plate 401 and a direct vibration upper bottom plate 403, the direct vibration lower bottom plate 401 is arranged on the second support frame 3, and a direct vibration height adjustment screw rod 402 is arranged between the direct vibration lower bottom plate 401 and the direct vibration upper bottom plate 403. The height adjustment mechanism is provided with a straight vibration seat plate 404, a linear vibrator 405 is provided on the straight vibration seat plate 404, a material channel seat plate 406 is provided on the linear vibrator 405, and N linear vibration material channels 407 are provided on the material channel seat plate 406 along the left and right directions, and each linear vibration material channel 407 is arranged along the front and back directions, and the value of N is half of the number of exhaust short pipes B to be assembled. The shape of the linear vibration material channel 407 is set according to the needs. In this embodiment, the cross-section of the linear vibration material channel 407 is U-shaped, so that the plastic needle A can be transported upright from the back to the front. A material channel pressing plate 408 is provided on the linear vibration material channel 407 to prevent the plastic needle A from deviating from the linear vibration material channel 407. Specifically, each linear vibration material channel 407 is provided with two material channel pressing plates 408 for use together; an optical fiber bracket 409 is provided at the rear end of the material channel pressing plate 408 corresponding to each linear vibration material channel 407, and a full material detection optical fiber 4010 is installed on the optical fiber bracket 409 for detecting whether there are enough plastic needles A on the linear vibration material channel 407. The full material detection optical fiber 4010 is connected to the control unit; a material arrival detection optical fiber is installed at the front end of each linear vibration material channel 407. 4011 is used to detect whether the plastic needle A is transmitted to the front end of the linear vibration material channel 407. The arrival detection optical fiber 4011 is connected to the control unit. Two mutually cooperating retaining claws 4012 are also provided at the front end of each linear vibration material channel 407. Each retaining claw 4012 is pierced with an axle pin screw 4014. The axle pin screw 4014 is inserted into the mounting hole of the linear vibration material channel 407 along the up and down directions, so that the retaining claw 4012 can rotate relative to the linear vibration material channel 407. A torsion spring 4013 is provided on the axle pin screw 4014. One of the torsion springs 4013 The end abuts against the outer wall of the linear vibration material channel 407. When there is no external force, the two cooperating claws 4012 prevent the plastic needle A from moving forward. When there is an external force, the claw 4012 can rotate to allow the plastic needle A to move forward, and when the external force disappears, under the action of the torsion spring 4013, the claw 4012 can rotate to its original position, and the plastic needle material picking and flipping feeding mechanism can obtain the current group (N) of plastic needles A on the plastic needle linear vibration feeding mechanism 4, and the remaining plastic needles A can continue to stay on the plastic needle linear vibration feeding mechanism 4 through the claw 4012.

[0040] The plastic needle material taking and flipping feeding mechanism includes a third support frame 5 arranged on the second support frame 3, and the third support frame 5 includes a first bottom plate 501 arranged on the second support frame 3, and two first vertical plates 502 are arranged opposite to each other on the first bottom plate 501, and the top ends of the two first vertical plates 502 are connected to the first top plate 503, and a first cylinder 504 and a first slide rail 505 are arranged on the upper surface of the first bottom plate 501, and a first slider 506 used in conjunction with the first slide rail 505 is assembled on the plastic needle linear material taking transfer mechanism 6, and the telescopic rod of the first cylinder 504 is connected to the The connector is connected to the plastic needle linear material transfer mechanism 6, which can clamp the N plastic needles A at the front end of the plastic needle linear vibration feeding mechanism 4. When the first cylinder 504 is driven to operate, the plastic needle linear material transfer mechanism 6 can move forward to drag the plastic needle A to a preset position. At this time, the plastic needle A is in an upright state. A limiting mechanism 507 for limiting the moving stroke of the plastic needle linear material transfer mechanism 6 is also provided on the upper surface of the first bottom plate 501. The limiting mechanism 507 may include a limiting plate and a limiting column arranged on the limiting plate. A second cylinder 508 is provided on the first top plate 503 via a first cylinder seat plate 5013, and a second slide rail 509 is also provided on the first top plate 503. A second slider 5010 used in conjunction with the second slide rail 509 is assembled on the plastic needle linear detection rotating mechanism 7. The telescopic rod of the second cylinder 508 is connected to the plastic needle linear detection rotating mechanism 7 via a connecting head. The plastic needle linear detection rotating mechanism 7 is used to detect the direction of the airway tube of each plastic needle A, obtain each plastic needle A at the plastic needle linear material transfer mechanism 6, and rotate the plastic needle A facing the rear so that the airway tube faces the front. At this time, the plastic needle A is in an upright state. When the second cylinder 508 is driven to operate, the plastic needle linear detection rotating mechanism 7 can move along the front and rear directions. A limiting mechanism is also provided on the first top plate 503 for limiting the moving stroke of the plastic needle linear detection rotating mechanism 7. For example, a limiting mechanism 5011 and a limiting mechanism 5012 are respectively provided on the first top plate 503 along the front and rear directions. A plastic needle material receiving and steering mechanism 8 is also provided on the first bottom plate 501, which is used to obtain the plastic needle A facing forward with the airway tube at the plastic needle linear detection rotating mechanism 7, and can be flipped and turned to make the plastic needle A in a horizontal state. At this time, the airway tube faces downward, and the plastic needle A in a horizontal state is placed on the chain conveying mechanism 9.

[0041] Specifically, the structure of the plastic needle linear material transfer mechanism 6 is as follows: it includes a second bottom plate 601, the lower surface of the second bottom plate 601 is equipped with the first slider 506, two second vertical plates 602 are oppositely arranged on the second bottom plate 601, the top ends of the two second vertical plates 602 are connected to the first mounting plate 603, a first air gripper seat plate 604 is fixedly provided on the first mounting plate 603, N first air grippers 605 are installed on the first air gripper seat plate 604 along the left and right directions, each first air gripper 605 is provided with two first claw fingers 606 used in conjunction with each other, when the first air gripper 605 is driven to move, the two first claw fingers 606 can clamp the plastic needle A or release the plastic needle A.

[0042] The structure of the plastic needle linear detection rotation mechanism 7 is as follows: it includes a first slide plate 701, the lower surface of the first slide plate 701 is equipped with the second slide block 5010, and the upper surface of the first slide plate 701 is provided with a third cylinder 702, and the telescopic rod of the third cylinder 702 passes through the through hole set on the first slide plate 701 and is connected to the first lifting plate 704 via the first connecting head 703, and the upper surface of the first lifting plate 704 is also provided with a plurality of first guide shafts 705, for example, four, which are divided into two groups and symmetrically arranged on the left and right sides of the third cylinder 702, and each first guide shaft 705 is used in conjunction with the corresponding first linear bearing 706. A linear bearing 706 is passed through the first slide plate 701, and a first lifting limit plate 707 is also provided on the upper surface of the first slide plate 701 to limit the rising stroke of the first guide shaft 705; a plastic needle direction detection mechanism 708 and a plastic needle rotation mechanism 709 are provided in sequence from front to back on the lower surface of the first lifting plate 704, the plastic needle direction detection mechanism 708 is used to detect the direction of the airway tube of each plastic needle A, and the plastic needle rotation mechanism 709 is used to obtain each plastic needle A at the plastic needle linear material transfer mechanism 6, and can rotate the plastic needle A facing the rear so that the airway tube faces the front, and the plastic needle A is in an upright state at this time.

[0043] The structure of the plastic needle direction detection mechanism 708 is as follows: it includes a second mounting plate 7081 mounted on the lower surface of the first lifting plate 704, two third vertical plates 7082 are oppositely arranged on the lower surface of the second mounting plate 7081, the lower ends of the two third vertical plates 7082 are connected to the third mounting plate 7083, and a fourth cylinder 7084 is mounted on the lower surface of the third mounting plate 7083, the telescopic rod of the fourth cylinder 7084 is connected to the probe seat plate 7086 via a second connecting head 7085, and two second guide shafts 7088 are also connected to the probe seat plate 7086, which are respectively arranged on the left and right sides of the fourth cylinder 7084, and each second guide shaft 7088 is connected to the probe seat plate 7086. The two guide shafts 7088 are used in conjunction with the corresponding second linear bearings 7087. The two second linear bearings 7087 are mounted on the lower surface of the third mounting plate 7083. N probes 7089 are provided on the probe seat plate 7086 at intervals along the left and right directions. The probe seat plate 7086 is also equipped with N photoelectric sensors 70811 via N sensor seat plates 70810. Each photoelectric sensor 70811 is used in conjunction with each probe 7089 in a one-to-one manner. The photoelectric sensor 70811 is connected to the control unit. Through the cooperation between the photoelectric sensor 70811 and the probe 7089, the direction of the plastic needle A airway tube can be detected. Specifically, when the fourth air cylinder 7084 is driven to move, the probe base plate 7086 can move backward, and the directions of the airway tubes of the N plastic needles A are detected by the N probes 7089. When the airway tube in the plastic needle A faces forward, the probe 7089 will be compressed, so that the corresponding photoelectric sensor 70811 sends a signal to the control unit, and then it is known which plastic needles A have airway tubes facing forward and which plastic needles A have airway tubes facing backward. The plastic needle receiving material steering mechanism 8 is used to obtain the plastic needle A facing forward.

[0044] The structure of the plastic needle rotating mechanism 709 is as follows: it includes a fourth mounting plate 7091 mounted on the lower surface of the first lifting plate 704, the lower surface of the fourth mounting plate 7091 is provided with two side support plates 7092 opposite to each other, the lower ends of the two side support plates 7092 are connected to the fifth mounting plate 7093, the fourth mounting plate 7091 is provided with N mounting holes spaced along the left and right directions, each mounting hole is rotatably connected to a rotating shaft 7096 via a first bearing 7094, and the fifth mounting plate 7093 is provided along the left and right directions. There are N mounting holes corresponding to the direction, each mounting hole is rotatably connected to the rotating shaft 7096 via a second bearing 7095, and the lower end of each rotating shaft 7096 is connected to a second air gripper 7099 via a connecting ring 7098. Each second air gripper 7099 is provided with two second claw fingers 70923 used in conjunction with each other. When the second air gripper 7099 is driven to move, the two second claw fingers 70923 used in conjunction with each other can clamp or release the plastic needle A; each rotating shaft 7096 is fixedly sleeved with a gear 7097, and the gear 7097 is fixedly sleeved with a gear 7097. 097 is located between the corresponding first bearing 7094 and the second bearing 7095, and the rack 70915 used in conjunction with all gears 7097 is connected to the third slide rail 70914, and the third slide rail 70914 slides left and right along the third slider 70913 fixed on the slider fixing plate 70910, and the slider fixing plate 70910 is fixed on the fourth mounting plate 7091, and a second cylinder seat plate 70911 is provided on the slider fixing plate 70910, and the fifth cylinder 70912 is mounted on the On the second cylinder seat plate 70911, the telescopic rod of the fifth cylinder 70912 is connected to the connecting rod 70917 via the third connector 70916. The connecting rod 70917, the cylinder push plate 70918, the push plate fixing plate 70919 and the rack 70915 are connected in sequence. When the fifth cylinder 70912 is driven to operate, the rack 70915 can move in the left and right directions, driving each rotating shaft 7096 to rotate, so as to rotate the plastic needle A facing the rear of the airway tube so that the airway tube faces the front. A limiting mechanism 70920 is also provided on the side support plate 7092 to limit the moving stroke of the rack 70915. The front and rear end faces of the fourth mounting plate 7091 can be provided with a first shield 70921 and a second shield 70922, respectively.

[0045] The structure of the plastic needle material receiving and steering mechanism 8 is as follows: it includes a third bottom plate 801 fixed on the first bottom plate 501, and two first bearing seat plates 802 are oppositely arranged on the upper surface of the third bottom plate 801, each first bearing seat plate 802 is connected to the flip shaft 804 via a third bearing 803, and both ends of the flip shaft 804 extend out of the corresponding first bearing seat plates 802 respectively, and one end of the flip shaft 804 is fixedly connected with a first flip limit plate 805, and a first buffer seat plate 806 is arranged on the first bearing seat plate 802 corresponding to the first flip limit plate 805, and two buffers used in conjunction with the first flip limit plate 805 are arranged at intervals on the first buffer seat plate 806, which are respectively used to cooperate with the first flip limit plate 805 when the flip shaft 804 rotates forward and reversely. In this embodiment, the flip shaft 804 can rotate forward 90 degrees and reverse 90 degrees.The other end of the flip shaft 804 is fixedly connected to a flip connecting frame 807, on which a joint bearing pin 809 is provided, and the joint bearing pin 809 is connected to an adapter 808 via a bearing, and the adapter 808 is connected to the telescopic rod of the sixth cylinder 8010, and both ends of the cylinder body of the sixth cylinder 8010 are respectively connected to the second bearing seat plate 8012 via a fourth bearing 8011, and the two second bearing seat plates 8012 are relatively arranged on a fourth bottom plate 8013, and the fourth bottom plate 8013 is fixed on the first bottom plate 501, and when the sixth cylinder 8010 is driven to move, the rotation of the flip shaft 804 can be realized; A guide shaft mounting frame 8014 is connected, and two third guide shafts 8015 are arranged on the guide shaft mounting frame 8014 at intervals along the up-down direction, and each third guide shaft 8015 is arranged along the left-right direction, and N second air gripper seat plates 8016 are arranged along the left-right direction, and each second air gripper seat plate 8016 is provided with two third linear bearings 8019 used in conjunction with the corresponding third guide shaft 8015, so that the second air gripper seat plate 8016 can move left and right along the third guide shaft 8015, and each second air gripper seat plate 8016 is provided with a third air gripper 8017, and the third air gripper 8017 is provided with two third claw fingers 8018 used in conjunction with each other. When the third air gripper 801 7 is in action, the two third claw fingers 8018 can clamp or release the plastic needle A; the front surface of each second air claw seat plate 8016 is connected with a fifth bearing 8020, and a seventh air cylinder 8024 is mounted on the guide shaft mounting frame 8014, and the telescopic rod of the seventh air cylinder 8024 is connected to the slide plate seat plate 8023 via a fourth connector 8025, and the slide plate seat plate 8023 is also connected to two fourth guide shafts 8026, which are disposed on the left and right sides of the seventh air cylinder 8024, and each fourth guide shaft 8026 is used in conjunction with the corresponding fourth linear bearing 8027, and the two fourth linear bearings 8027 are mounted on the guide shaft mounting frame 8014. A slide plate 8021 is fixed on 8023, and N slides 8022 are arranged on the slide plate 8021 at intervals. Each fifth bearing 8020 can slide in the corresponding slide 8022. When the seventh cylinder 8024 is driven to move the slide plate seat plate 8023 downward, each fifth bearing 8020 slides along the corresponding slide 8022, driving the corresponding second air claw seat plate 8016 to move along the third guide shaft 8015, thereby increasing the distance between two adjacent second air claw seat plates 8016; conversely, when the seventh cylinder 8024 is driven to move the slide plate seat plate 8023 upward, the distance between two adjacent second air claw seat plates 8016 can be reduced.

[0046] The device for assembling the plastic needle and the exhaust short pipe involved in the present application also includes a fourth support frame 11, and the fourth support frame 11 includes a fifth base plate 1101. The fifth base plate 1101 can be fixed on the second support frame 3 through a connecting plate, and two fourth vertical plates 1102 are oppositely arranged on the upper surface of the fifth base plate 1101, and the top ends of the two fourth vertical plates 1102 are connected to the second top plate 1103, and the chain transmission mechanism 9 is arranged on the fifth base plate 1101.

[0047] The first alignment mechanism 10 includes a first support plate 1001 and a second support plate 1002 spaced apart along the left-right direction, the first support plate 1001 and the second support plate 1002 are both connected between the second top plate 1103 and the fifth bottom plate 1101, a transverse support plate 1003 is connected between the first support plate 1001 and the second support plate 1002, the eighth cylinder 1005 is assembled on the transverse support plate 1003 via a rib plate 1004, the eighth cylinder 1005 can drive the alignment plate 1006 to move along the front-back direction, and the plastic needles A on the chain conveying mechanism 9 are aligned through the alignment plate 1006.

[0048] A transfer alignment mechanism 12 and a positioning mechanism 15 are sequentially provided on the fifth bottom plate 1101 along the direction from back to front, and a plastic needle transfer mechanism 13 and a plastic needle flipping assembly mechanism 14 are sequentially provided on the second top plate 1103 along the direction from back to front, wherein the plastic needle transfer mechanism 13 is slidably set on the second top plate 1103, and is used to obtain each plastic needle A on the chain conveying mechanism 9 after alignment, and place the plastic needle A on the transfer alignment mechanism 12, the transfer alignment mechanism 12 is used to align each plastic needle A again, the plastic needle flipping assembly mechanism 14 is used to obtain the aligned plastic needles A on the transfer alignment mechanism 12, and flip it to make it upright, and the plastic needle flipping assembly mechanism 14 assembles the airway tube of the plastic needle A with the exhaust short pipe B clamped by the positioning mechanism 15.

[0049] Specifically, "the plastic needle transfer mechanism 13 is slidably arranged on the second top plate 1103" can be realized by the following structure: a ninth cylinder 1106 is provided, and the ninth cylinder 1106 is arranged on the second top plate 1103 through a third cylinder seat plate 1104 and a fourth cylinder seat plate 1105, and the telescopic rod of the ninth cylinder 1106 is connected to the plastic needle transfer mechanism 13 through a fifth connector 1107, and a fourth slide rail 1108 is provided on the second top plate 1103, and a fourth slider 1108 used in conjunction with the fourth slide rail 1108 is provided. 09 is assembled on the plastic needle transfer mechanism 13. When the ninth cylinder 1106 is driven to operate, the plastic needle transfer mechanism 13 can move along the front and rear directions. A limiting mechanism is also provided on the second top plate 1103 to limit the moving stroke of the plastic needle transfer mechanism 13. For example, a limiting mechanism 11010 is provided at the rear end of the second top plate 1103, and a limiting buffer 11011 and a limiting top screw 11012 are provided on the fourth cylinder seat plate 1105. An alarm light 11013 may also be provided on the second top plate 1103.

[0050] In this embodiment, the structure of the transfer and alignment mechanism 12 is as follows: it includes a sixth bottom plate 1201 fixed on the fifth bottom plate 1101, a seventh bottom plate 1202 and an eighth bottom plate 12012 are sequentially arranged on the sixth bottom plate 1201 along the direction from front to back, two fifth vertical plates 1203 are arranged opposite to each other on the seventh bottom plate 1202, the top ends of the two fifth vertical plates 1203 are connected to the sixth mounting plate 1204, a tenth cylinder 1205 is mounted on the lower surface of the sixth mounting plate 1204, the telescopic rod of the tenth cylinder 1205 passes through the through hole arranged on the sixth mounting plate 1204 and is connected to the second lifting plate 1207 via the sixth connector 1206, and the lower surface of the second lifting plate 1207 is provided with two There are fifth guide shafts 1208, which are arranged on the left and right sides of the tenth cylinder 1205. Each fifth guide shaft 1208 is used in conjunction with the corresponding fifth linear bearing 1209. The fifth linear bearing 1209 is passed through the sixth mounting plate 1204. When the tenth cylinder 1205 is driven to operate, the second lifting plate 1207 can be lifted and moved. An eleventh cylinder 12010 is provided on the upper surface of the second lifting plate 1207. The eleventh cylinder 12010 drives the alignment baffle 12011 to move forward and backward. 2N alignment top columns 12021 are provided on the alignment baffle 12011 at intervals along the left and right directions. Each alignment top column 12021 is installed on the alignment baffle 12011 via a spring. Two sixth vertical plates 12013 are oppositely arranged on the eighth bottom plate 12012, and the top ends of the two sixth vertical plates 12013 are connected to the seventh mounting plate 12015. A jig seat plate 12016 is arranged on the seventh mounting plate 12015, and a jig connecting plate 12017 is arranged on the jig seat plate 12016. A first jig supporting plate 12019, a jig alignment base plate 12018 and a second jig supporting plate 12019 are arranged on the jig connecting plate 12017 in sequence from front to back. 2020. 2N first grooves are provided on the first jig support plate 12019 and are spaced apart along the left-right direction. 2N second grooves are provided on the second jig support plate 12020 and are spaced apart along the left-right direction. 2N insertion holes are provided on the jig alignment substrate 12018 and are spaced apart along the left-right direction. Each first groove, insertion hole and second groove corresponds to each other one by one. The corresponding first groove, insertion hole and second groove are used to place a plastic needle A, and the airway tube of the plastic needle A is inserted at the insertion hole.

[0051] The structure of the plastic needle transfer mechanism 13 is as follows: it includes a second slide plate 1301 connected to the ninth cylinder 1106, the lower surface of the second slide plate 1301 is provided with the fourth slide block 1109, the lower surface of the second slide plate 1301 is provided with a twelfth cylinder 1302, the telescopic rod of the twelfth cylinder 1302 is connected to the third lifting plate 1304 via the seventh connector 1303, and two sixth guide shafts 1305 are provided on the third lifting plate 1304, which are respectively arranged on the left and right sides of the twelfth cylinder 1302, each sixth guide shaft 1305 is used in conjunction with the corresponding sixth linear bearing 1306, and the sixth A linear bearing 1306 is passed through the second slide plate 1301, and a second lifting limit plate 1307 is also provided on the upper surface of the second slide plate 1301, which is used to limit the rising stroke of the sixth guide shaft 1305; the third lifting plate 1304 is also connected to the third air gripper seat plate 1309 via the first adapter plate 1308, and 2N fourth air grippers 13010 are provided on the third air gripper seat plate 1309 along the left and right directions, and each fourth air gripper 13010 is provided with two fourth claw fingers 13011 that cooperate with each other. When the fourth air gripper 13010 is driven to move, the two fourth claw fingers 13011 can clamp or release the plastic needle A.

[0052] The structure of the plastic needle flip assembly mechanism 14 is as follows: it includes an eighth mounting plate 1401 fixed on the lower surface of the second top plate 1103, and the lower surface of the eighth mounting plate 1401 is oppositely provided with a third bearing seat plate 1402 and a fourth bearing seat plate 1403, the third bearing seat plate 1402 is connected to the first flip shaft head 1406 via the sixth bearing 1404, and the fourth bearing seat plate 1403 is connected to the second flip shaft head 1407 via the seventh bearing 1405, and one end of the first flip shaft head 1406 is connected to the flip cylinder 14010 via the coupling 1409, and the flip cylinder 14010 is assembled on the flip cylinder seat plate 14011, and the flip cylinder seat plate 14011 is fixed on the eighth mounting plate The lower surface of 1401, the other end of the first flip shaft head 1406 is connected to the flip plate 1408, one end of the second flip shaft head 1407 is connected to the flip plate 1408, the other end of the second flip shaft head 1407 is connected to the second flip limit plate 14012, and a second buffer seat plate 14013 is provided on the fourth bearing seat plate 1403, and two buffers used in conjunction with the second flip limit plate 14012 are provided on the second buffer seat plate 14013 at intervals, which are respectively used for cooperating with the second flip limit plate 14012 when the second flip shaft head 1407 rotates forward and reversely. In this embodiment, the second flip shaft head 1407 can rotate forward 90 degrees and reverse 90 degrees. A thirteenth air cylinder 14014 is provided on the flip plate 1408, and the thirteenth air cylinder 14014 adopts a sliding cylinder. The thirteenth air cylinder 14014 can drive the second adapter plate 14015 to move. The second adapter plate 14015 is connected with a fourth air gripper base plate 14016, and 2N fifth air grippers 14017 are provided on the fourth air gripper base plate 14016. Each fifth air gripper 14017 is provided with two fifth claw fingers 14018 that cooperate with each other. When the fifth air gripper 14017 is driven to move, the two fifth claw fingers 14018 can clamp or release the plastic needle A.

[0053] The structure of the positioning mechanism 15 has been mentioned in patent No. 2021205384501, or a similar structure is adopted.

[0054] During specific use, the plastic needle A is loaded into the plastic needle linear vibration loading mechanism 4 through the vibration plate 2, and the plastic needle A is in an upright state and is transferred from back to front in the plastic needle linear vibration loading mechanism 4, and stays on the plastic needle linear vibration loading mechanism 4 under the action of the blocking claw 4012; the N plastic needles A at the front end of the plastic needle linear vibration loading mechanism 4 can be clamped by the plastic needle linear material transfer mechanism 6, and when the first cylinder 504 is driven to operate, the plastic needle linear material transfer mechanism 6 can move forward to drag the plastic needle A to the preset position, and the plastic needle rotates The second claw finger 70923 in the mechanism 709 clamps the upper end of the plastic needle A. At this time, the plastic needle A is clamped together by the plastic needle linear material transfer mechanism 6 and the plastic needle rotating mechanism 709. The direction of the airway tube of each plastic needle A is detected by the plastic needle direction detection mechanism 708. Then, the plastic needle linear material transfer mechanism 6 releases the plastic needle A and returns to its position for the next round of material collection operation. The plastic needle with the correct direction is clamped by the plastic needle material receiving and steering mechanism 8. Then, the plastic needle rotating mechanism 709 rotates the plastic needle A facing the rear to make the airway tube face forward. At this time, the plastic needle A is in an upright state. Then, through The plastic needle material receiving and steering mechanism 8 clamps the remaining plastic needles A at the plastic needle rotating mechanism 709, and the plastic needle material receiving and steering mechanism 8 flips 90° to place N plastic needles A in a horizontal state on the chain conveying mechanism 9, and then drives the chain in the chain conveying mechanism 9 to move, waiting for the next group of plastic needles A. When 2N plastic needles A are placed on the chain conveying mechanism 9, the plastic needles A on the chain conveying mechanism 9 are aligned through the alignment plate 1006 in the first alignment mechanism 10, and then the aligned chain conveying mechanism 13 is obtained through the fourth claw finger 13011 in the plastic needle transfer mechanism 13. Each plastic needle A on the conveying mechanism 9 is picked up, and the plastic needle A is placed on the transfer alignment mechanism 12. The plastic needles A are aligned again by the alignment top column 12021 set on the alignment baffle 12011 in the transfer alignment mechanism 12. At this time, the airway tube of the plastic needle A is inserted into the socket on the mold alignment substrate 12018. The plastic needle flipping and assembling mechanism 14 is used to obtain the aligned plastic needles A on the transfer alignment mechanism 12, and flip it to make it upright, and drive the thirteenth cylinder 14014 to operate, so that the airway tube of the plastic needle A is assembled with the exhaust short pipe B clamped by the positioning mechanism 15.

[0055] The device for assembling the plastic needle and the exhaust short tube involved in the present application can automatically detect and adjust the orientation of the airway tube in the plastic needle, so that the orientation of the airway tubes of each plastic needle is consistent, thereby realizing efficient assembly of the plastic needle and the exhaust short tube, and the assembly yield is relatively high.

[0056] The above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes according to the technical solution and concept of the present application within the technical scope disclosed in the present application, which should be covered by the protection scope of the present application.

Claims

1. A device for assembling a plastic needle and an exhaust short pipe, characterized in that: The invention comprises a first support frame (1) and a second support frame (3), wherein a vibration plate (2) is arranged on the first support frame (1), and a plastic needle linear vibration feeding mechanism (4) and a plastic needle material taking and turning feeding mechanism are arranged on the second support frame (3) in a direction from back to front, wherein plastic needles (A) from the vibration plate (2) are transmitted to the plastic needle linear vibration feeding mechanism (4), and the plastic needle material taking and turning feeding mechanism is used to obtain the plastic needles (A) in an upright state on the plastic needle linear vibration feeding mechanism (4), and detect the direction of the airway tube of the plastic needle (A), rotate the plastic needle (A) facing the airway tube to the rear so that the airway tube faces the front, and turn each plastic needle (A) ) is flipped into a horizontal state and loaded onto a chain conveying mechanism (9), and each plastic needle (A) in the chain conveying mechanism (9) is aligned through a first alignment mechanism (10), and each plastic needle (A) on the chain conveying mechanism (9) after alignment is obtained through a plastic needle transfer mechanism (13), and the plastic needle (A) is placed on a transfer alignment mechanism (12), and each plastic needle (A) is aligned again through the transfer alignment mechanism (12), and the plastic needle flip assembly mechanism (14) is used to obtain the aligned plastic needle (A) on the transfer alignment mechanism (12), and flip it to make it upright, and the plastic needle (A) is aligned with the airway tube through the plastic needle flip assembly mechanism (14). The assembly of the exhaust short pipe (B) clamped by the positioning mechanism (15); wherein the plastic needle material taking and flipping feeding mechanism includes a third support frame (5) arranged on the second support frame (3), and the third support frame (5) includes a first bottom plate (501) arranged on the second support frame (3), and two first vertical plates (502) are arranged opposite to each other on the first bottom plate (501), and the top ends of the two first vertical plates (502) are connected to the first top plate (503), and a first cylinder (504) and a first slide rail (505) are arranged on the upper surface of the first bottom plate (501), and a first slider (506) used in conjunction with the first slide rail (505) is assembled On the plastic needle linear material transfer mechanism (6), the telescopic rod of the first air cylinder (504) is connected to the plastic needle linear material transfer mechanism (6) via a connector. The plastic needle linear material transfer mechanism (6) can clamp the N plastic needles (A) at the front end of the plastic needle linear vibration feeding mechanism (4). When the first air cylinder (504) is driven to operate, the plastic needle linear material transfer mechanism (6) can move forward to drag the plastic needles (A) to a preset position. At this time, the plastic needles (A) are in an upright state. A limit mechanism (507) for limiting the moving stroke of the plastic needle linear material transfer mechanism (6) is also provided on the upper surface of the first bottom plate (501);A second cylinder (508) is provided on the first top plate (503) via a first cylinder seat plate (5013), and a second slide rail (509) is also provided on the first top plate (503). A second slider (5010) used in conjunction with the second slide rail (509) is mounted on a plastic needle linear detection rotating mechanism (7). The telescopic rod of the second cylinder (508) is connected to the plastic needle linear detection rotating mechanism (7) via a connector. The plastic needle linear detection rotating mechanism (7) is used to detect the direction of the airway tube of each plastic needle (A), obtain each plastic needle (A) at the plastic needle linear material transfer mechanism (6), and rotate the airway tube toward the rear plastic needle (A). The airway tube is turned to face forward, and when the second air cylinder (508) is driven to move, the plastic needle linear detection rotating mechanism (7) can move in the front-rear direction. A limit mechanism is also provided on the first top plate (503) to limit the moving stroke of the plastic needle linear detection rotating mechanism (7). A plastic needle receiving material steering mechanism (8) is also provided on the first bottom plate (501) to obtain the plastic needle (A) facing forward from the airway tube at the plastic needle linear detection rotating mechanism (7), and can be turned over to make the plastic needle (A) in a horizontal state. At this time, the airway tube faces downward, and the plastic needle (A) in a horizontal state is placed on the chain transmission mechanism (9). ; 2. The device for assembling a plastic needle and an exhaust short pipe according to claim 1, characterized in that: The structure of the plastic needle linear vibration feeding mechanism (4) is as follows: it includes a height adjustment mechanism arranged on the second support frame (3), the height adjustment mechanism is provided with a straight vibration seat plate (404), the straight vibration seat plate (404) is provided with a linear vibrator (405), the linear vibrator (405) is provided with a material channel seat plate (406), the material channel seat plate (406) is provided with N linear vibration material channels (407) along the left and right directions, N is a positive integer, each linear vibration material channel (407) is arranged along the front and back directions, the value of N is half of the number of exhaust short pipes (B) to be assembled, and the cross-sectional area of ​​the linear vibration material channel (407) is The surface is U-shaped so that the plastic needles (A) can be transported upright from back to front. A material channel pressure plate (408) is provided on the linear vibrating material channel (407). An optical fiber bracket (409) is provided at the rear end of the material channel pressure plate (408) corresponding to each linear vibrating material channel (407). A full material detection optical fiber (4010) is installed on the optical fiber bracket (409) for detecting whether there are enough plastic needles (A) on the linear vibrating material channel (407). The full material detection optical fiber (4010) is connected to the control unit; a material arrival detection optical fiber (4011) is installed at the front end of each linear vibrating material channel (407) for detecting whether the plastic needles (A) are sufficient. The material is transmitted to the front end of the linear vibrating material channel (407), the material arrival detection optical fiber (4011) is connected to the control unit, and two mutually cooperating retaining claws (4012) are also provided at the front end of each linear vibrating material channel (407), and each retaining claw (4012) is penetrated by an axle pin screw (4014), and the axle pin screw (4014) is inserted into the mounting hole of the linear vibrating material channel (407) along the up and down direction, so that the retaining claw (4012) can rotate relative to the linear vibrating material channel (407), and a torsion spring (4013) is provided on the axle pin screw (4014), and one end of the torsion spring (4013) abuts against When there is no external force on the outer wall of the linear vibration material channel (407), the two mutually cooperating catches (4012) prevent the plastic needle (A) from moving forward. When there is an external force, the catch (4012) can rotate to allow the plastic needle (A) to move forward. When the external force disappears, under the action of the torsion spring (4013), the catch (4012) can rotate to its original position. The plastic needle material taking and flipping feeding mechanism can obtain the current N plastic needles (A) on the plastic needle linear vibration feeding mechanism (4), and the remaining plastic needles (A) can continue to stay on the plastic needle linear vibration feeding mechanism (4) through the catch (4012).

3. The device for assembling a plastic needle and an exhaust short pipe according to claim 2, characterized in that: The structure of the plastic needle linear detection rotation mechanism (7) is as follows: it includes a first slide plate (701), the lower surface of the first slide plate (701) is equipped with the second slide block (5010), the upper surface of the first slide plate (701) is provided with a third cylinder (702), the telescopic rod of the third cylinder (702) passes through a through hole provided on the first slide plate (701) and is connected to the first lifting plate (704) via a first connector (703), and a plurality of first guide shafts (705) are also provided on the upper surface of the first lifting plate (704), which are divided into two groups and symmetrically provided on the left and right sides of the third cylinder (702), and each first guide shaft (705) cooperates with the corresponding first linear bearing (706) to make The first linear bearing (706) is passed through the first slide plate (701), and a first lifting limit plate (707) is also provided on the upper surface of the first slide plate (701) for limiting the rising stroke of the first guide shaft (705); a plastic needle direction detection mechanism (708) and a plastic needle rotation mechanism (709) are provided on the lower surface of the first lifting plate (704) in sequence from front to back, the plastic needle direction detection mechanism (708) is used to detect the direction of the airway tube of each plastic needle (A), and the plastic needle rotation mechanism (709) is used to obtain each plastic needle (A) at the plastic needle linear material transfer mechanism (6), and can rotate the airway tube toward the rear plastic needle (A) so that the airway tube faces forward.

4. The device for assembling a plastic needle and an exhaust short pipe according to claim 3, characterized in that: The structure of the plastic needle direction detection mechanism (708) is as follows: it includes a second mounting plate (7081) mounted on the lower surface of the first lifting plate (704), and two third vertical plates (7082) are oppositely arranged on the lower surface of the second mounting plate (7081), and the lower ends of the two third vertical plates (7082) are connected to the third mounting plate (7083), and a fourth cylinder (7084) is mounted on the lower surface of the third mounting plate (7083), and the telescopic rod of the fourth cylinder (7084) is connected to the probe seat plate (7086) via a second connecting head (7085), and two second guide shafts (7088) are also connected to the probe seat plate (7086), and the two are respectively arranged on the left and right sides of the fourth cylinder (7084), and each second guide shaft (7088) is connected to the probe seat plate (7086). The two guide shafts (7088) are used in conjunction with the corresponding second linear bearings (7087). The two second linear bearings (7087) are mounted on the lower surface of the third mounting plate (7083). N probes (7089) are provided on the probe seat plate (7086) at intervals along the left and right directions. The probe seat plate (7086) is also equipped with N photoelectric sensors (70811) via N sensor seat plates (70810). Each photoelectric sensor (70811) is used in conjunction with each probe (7089) in a one-to-one correspondence. The photoelectric sensor (70811) is connected to the control unit. Through the cooperation between the photoelectric sensor (70811) and the probe (7089), the direction of the plastic needle (A) airway tube can be detected.

5. The device for assembling a plastic needle and an exhaust short pipe according to claim 4, characterized in that: The structure of the plastic needle rotating mechanism (709) is as follows: it includes a fourth mounting plate (7091) mounted on the lower surface of the first lifting plate (704), the lower surface of the fourth mounting plate (7091) is provided with two side support plates (7092) opposite to each other, the lower ends of the two side support plates (7092) are connected to the fifth mounting plate (7093), the fourth mounting plate (7091) is provided with N mounting holes spaced apart along the left-right direction, each mounting hole is rotatably connected to a rotating shaft (7096) via a first bearing (7094), the fifth mounting plate (7093) is provided with N mounting holes corresponding to the left-right direction, each mounting hole is rotatably connected to a rotating shaft (7096) via a second bearing (709 5) Rotatingly connecting the rotating shaft (7096), the lower end of each rotating shaft (7096) is connected to a second air gripper (7099) via a connecting ring (7098), and each second air gripper (7099) is provided with two second claw fingers (70923) used in conjunction with each other. When the second air gripper (7099) is driven to move, the two second claw fingers (70923) used in conjunction with each other can clamp or release the plastic needle (A); each rotating shaft (7096) is fixedly sleeved with a gear (7097), and the gear (7097) is located between the corresponding first bearing (7094) and the second bearing (7095), and is connected to a rack (7099) used in conjunction with all the gears (7097). The third slide rail (70914) is connected to the third slide rail (70915), and the third slide rail (70914) slides left and right along the third slide block (70913) fixed on the slide block fixing plate (70910). The slide block fixing plate (70910) is fixed on the fourth mounting plate (7091). A second cylinder seat plate (70911) is provided on the slide block fixing plate (70910). The fifth cylinder (70912) is assembled on the second cylinder seat plate (70911). The telescopic rod of the fifth cylinder (70912) is connected to the connecting rod (70917) via the third connecting head (70916). The connecting rod (70917) and the cylinder The push plate (70918), the push plate fixing plate (70919) and the rack (70915) are connected in sequence. When the fifth cylinder (70912) is driven to operate, the rack (70915) can move in the left and right directions, driving each rotating shaft (7096) to rotate, so as to rotate the plastic needle (A) facing the rear of the airway tube so that the airway tube faces the front. A limiting mechanism (70920) is also provided on the side support plate (7092) for limiting the moving stroke of the rack (70915). The front and rear end faces of the fourth mounting plate (7091) can be respectively provided with a first protective cover (70921) and a second protective cover (70922).

6. The device for assembling a plastic needle and an exhaust short pipe according to claim 5, characterized in that: The structure of the plastic needle material receiving and steering mechanism (8) is as follows: it includes a third bottom plate (801) fixed on the first bottom plate (501), two first bearing seat plates (802) are arranged opposite to each other on the upper surface of the third bottom plate (801), each first bearing seat plate (802) is connected to the flip shaft (804) via a third bearing (803), and both ends of the flip shaft (804) extend out of the corresponding first bearing seat plates (802), one end of the flip shaft (804) is fixedly connected to a first flip limit plate (805), and a first buffer seat plate is arranged on the first bearing seat plate (802) corresponding to the first flip limit plate (805). (806), two buffers are arranged at intervals on the first buffer seat plate (806) for use with the first flip limit plate (805), and are respectively used to cooperate with the first flip limit plate (805) when the flip shaft (804) rotates forward and reversely, and the other end of the flip shaft (804) is fixedly connected to a flip connecting frame (807), and a joint bearing pin (809) is arranged on the flip connecting frame (807), and the joint bearing pin (809) is connected to the adapter (808) via a bearing, and the adapter (808) is connected to the telescopic rod of the sixth cylinder (8010), and the cylinder body of the sixth cylinder (8010) The two ends are connected to the second bearing seat plate (8012) through the fourth bearing (8011) respectively, and the two second bearing seat plates (8012) are arranged on the fourth bottom plate (8013) opposite to each other. The fourth bottom plate (8013) is fixed on the first bottom plate (501). When the sixth cylinder (8010) is driven to move, the rotation of the flip shaft (804) can be realized; a guide shaft mounting frame (8014) is fixedly connected to the flip shaft (804), and two third guide shafts (8015) are arranged on the guide shaft mounting frame (8014) at intervals along the up-down direction. Each third guide shaft (8015) is arranged along the left-right direction. N second air gripper base plates (8016) are provided in the left and right directions, and each second air gripper base plate (8016) is provided with two third linear bearings (8019) used in conjunction with the corresponding third guide shaft (8015), so that the second air gripper base plate (8016) can move left and right along the third guide shaft (8015), and each second air gripper base plate (8016) is provided with a third air gripper (8017), and the third air gripper (8017) is provided with two third claw fingers (8018) used in conjunction with each other, and when the third air gripper (8017) is driven to move, the plastic needle (A) can be clamped or released through the two third claw fingers (8018);A fifth bearing (8020) is connected to the front surface of each second air claw seat plate (8016), a seventh air cylinder (8024) is mounted on the guide shaft mounting frame (8014), the telescopic rod of the seventh air cylinder (8024) is connected to the slide plate seat plate (8023) via a fourth connector (8025), the slide plate seat plate (8023) is also connected to two fourth guide shafts (8026), the two are arranged on the left and right sides of the seventh air cylinder (8024), each fourth guide shaft (8026) is used in conjunction with a corresponding fourth linear bearing (8027), the two fourth linear bearings (8027) are mounted on the guide shaft mounting frame (8014), and the slide plate (8023) is fixed with a fourth linear bearing (8027). 21), the slide plate (8021) is provided with N slideways (8022) at intervals, and each fifth bearing (8020) can slide in the corresponding slideway (8022). When the seventh cylinder (8024) is driven to move the slide plate seat plate (8023) downward, each fifth bearing (8020) slides along the corresponding slideway (8022), driving the corresponding second air claw seat plate (8016) to move along the third guide shaft (8015), thereby increasing the distance between two adjacent second air claw seat plates (8016); conversely, when the seventh cylinder (8024) is driven to move the slide plate seat plate (8023) upward, the distance between two adjacent second air claw seat plates (8016) can be reduced. ; 7. The device for assembling a plastic needle and an exhaust short pipe according to claim 6, characterized in that: The invention also comprises a fourth support frame (11), wherein the fourth support frame (11) comprises a fifth bottom plate (1101), wherein the fifth bottom plate (1101) is fixed to the second support frame (3) via a connecting plate, and two fourth vertical plates (1102) are arranged opposite to each other on the upper surface of the fifth bottom plate (1101), and the top ends of the two fourth vertical plates (1102) are connected to the second top plate (1103), and the chain conveying mechanism (9) is arranged on the fifth bottom plate (1101).

8. The device for assembling a plastic needle and an exhaust short pipe according to claim 7, characterized in that: The first alignment mechanism (10) comprises a first support plate (1001) and a second support plate (1002) which are spaced apart along the left-right direction, the first support plate (1001) and the second support plate (1002) are both connected between the second top plate (1103) and the fifth bottom plate (1101), a transverse support plate (1003) is connected between the first support plate (1001) and the second support plate (1002), an eighth cylinder (1005) is mounted on the transverse support plate (1003) via a rib plate (1004), the eighth cylinder (1005) can drive the alignment plate (1006) to move along the front-back direction, and the plastic needles (A) on the chain conveying mechanism (9) are aligned through the alignment plate (1006).

9. The device for assembling a plastic needle and an exhaust short pipe according to claim 8, characterized in that: A transfer alignment mechanism (12) and a positioning mechanism (15) are sequentially provided on the fifth bottom plate (1101) along the direction from back to front, and a plastic needle transfer mechanism (13) and a plastic needle flip assembly mechanism (14) are sequentially provided on the second top plate (1103) along the direction from back to front, wherein the plastic needle transfer mechanism (13) is slidably arranged on the second top plate (1103) for obtaining each plastic needle (A) on the chain conveying mechanism (9) after being aligned, and placing the plastic needle (A) on the transfer alignment mechanism (12), the transfer alignment mechanism (12) is used for aligning each plastic needle (A) again, the plastic needle flip assembly mechanism (14) is used for obtaining the aligned plastic needle (A) on the transfer alignment mechanism (12), and flipping it to make it upright, and the plastic needle flip assembly mechanism (14) assembles the plastic needle (A) airway tube with the exhaust short pipe (B) clamped by the positioning mechanism (15).

10. The device for assembling a plastic needle and an exhaust short pipe according to claim 9, characterized in that: The structure of the transfer alignment mechanism (12) is as follows: it comprises a sixth bottom plate (1201) fixed on the fifth bottom plate (1101), a seventh bottom plate (1202) and an eighth bottom plate (12012) are arranged on the sixth bottom plate (1201) in sequence from front to back, two fifth vertical plates (1203) are arranged opposite to each other on the seventh bottom plate (1202), the top ends of the two fifth vertical plates (1203) are connected to the sixth mounting plate (1204), a tenth cylinder (1205) is mounted on the lower surface of the sixth mounting plate (1204), and the telescopic rod of the tenth cylinder (1205) passes through a through hole arranged on the sixth mounting plate (1204) and passes through a first through hole (1202) to extend from the sixth mounting plate (1204). The six connectors (1206) are connected to the second lifting plate (1207). The lower surface of the second lifting plate (1207) is provided with two fifth guide shafts (1208), which are respectively arranged on the left and right sides of the tenth cylinder (1205). Each fifth guide shaft (1208) is used in conjunction with a corresponding fifth linear bearing (1209). The fifth linear bearing (1209) is penetrated on the sixth mounting plate (1204). When the tenth cylinder (1205) is driven to move, the second lifting plate (1207) can be lifted and moved. An eleventh cylinder (12010) is provided on the upper surface of the second lifting plate (1207). The eleventh cylinder (1201 0) drives the alignment baffle (12011) to move forward and backward, and 2N alignment top posts (12021) are arranged on the alignment baffle (12011) at intervals along the left-right direction, and each alignment top post (12021) is installed on the alignment baffle (12011) via a spring; two sixth vertical plates (12013) are arranged opposite to each other on the eighth bottom plate (12012), and the top ends of the two sixth vertical plates (12013) are connected to the seventh mounting plate (12015), and a tire seat plate (12016) is arranged on the seventh mounting plate (12015), and a tire connecting plate (12017) is arranged on the tire seat plate (12016), and the tire connecting plate (12017) ) are provided in sequence from front to back with a first jig support plate (12019), a jig alignment substrate (12018) and a second jig support plate (12020); 2N first grooves are provided on the first jig support plate (12019) at intervals along the left-right direction; 2N second grooves are provided on the second jig support plate (12020) at intervals along the left-right direction; 2N insertion holes are provided on the jig alignment substrate (12018) at intervals along the left-right direction; each first groove, insertion hole and second groove corresponds to each other one by one, and the corresponding first groove, insertion hole and second groove are used to place a plastic needle (A); the airway tube of the plastic needle (A) is inserted at the insertion hole.

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