A syringe assembly production line

Abstract

The present invention belongs to the technical field of syringe assembly, specifically a syringe assembly production line, comprising a base frame, an assembly structure provided at the upper end of the base frame, a conveying structure provided at one end of the assembly structure, the conveying structure comprising a conveying roller, a stacking structure provided at one end of the conveying roller, the stacking structure comprising a stacking frame, the stacking frame being provided at one end of the base frame, a lifting rod being provided inside the stacking frame, and a placement structure being provided at the other end of the conveying roller; the assembly structure comprising: a transfer plate, the transfer plate being rotatably connected to the upper end of the base frame. By providing the placement structure, the packaging boxes of collected syringes can be transferred and stored, and during the transfer process, the clamping strips can clamp the packaging boxes moved to the inside of the rack, thereby ensuring that the packaging boxes can be smoothly transferred to the inside of the rack, avoiding the occurrence of other auxiliary placement platforms being transferred to the inside of the rack, which increases the pressure of the goods on the rack.

Description

Technical Field

[0001] The invention belongs to the technical field of syringe assembly, in particular to a syringe assembly production line. Background Art

[0002] A syringe is a common medical device that mainly uses a needle to extract or inject gas or liquid. During production and assembly, you only need to ensure that the syringe and push rod components are intact and correctly connected.

[0003] The syringe assembly production line of the prior art will first install the push rod into the inside of the syringe barrel to assemble the syringe, and then collect and package the installed syringes. In order to store the packaged syringes and to improve the space utilization during storage, the packaged syringes will be transferred to the inside of the placement rack by a stacker to realize multi-layer placement rack storage. The traditional stacker transfers the syringes by lifting the syringe packaging box through a transfer bar and setting a hollow partition between the transfer bar and the packaging box. The transfer bar is inserted into the inside of the hollow partition. When the transfer bar transfers the packaging box to the inside of the placement rack, the partition and the packaging box are transferred to the inside of the placement rack for storage together, thereby facilitating the horizontal movement of the transfer bar. However, this situation not only increases the cost, but also increases the pressure of the goods on the placement rack. If the partition is removed, it will be difficult for the horizontally moving transfer bar to transfer the placement box to the inside of the placement rack.

[0004] To this end, the present invention provides a syringe assembly production line. Summary of the Invention

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] ] a lifting mechanism, a lifting mechanism is provided with a lifting mechanism, and a lifting mechanism is provided with a lifting mechanism, and a lifting mechanism is provided with a lifting mechanism.

[0007] Preferably, the conveying structure also includes a conveying frame, which is arranged at one end of the stacking frame, and the conveying roller is arranged inside the conveying frame, and the stacking structure also includes an electronic track, the stacking frame slides on the surface of the electronic track, and the stacking frame slides up and down inside and is connected to a lifting platform, and the lifting rod slides horizontally on the surface of the lifting platform, and the assembly structure also includes: a first blanking frame, which is arranged at the upper end of the base frame; a transfer rod, which is arranged inside the first blanking frame, and one end of the transfer rod is close to the transfer disk; a shift bar, which is rotatably connected to the inside of the assembly frame; a pressing frame, which is arranged at the upper end of the assembly frame, and the pressing block is pressed on the pressing The frame slides internally; the placement structure also includes: a fixed gear, the fixed gear is rotatably connected to the inside of the frame, and the clamping bar is connected to the fixed gear; a return spring, the return spring is arranged at the connection between the clamping bar and the frame; a clamping bar, the clamping bar is arranged at the lower end of the fixed gear; a sliding plate, the sliding plate is slidably connected to the inside of the frame; a tooth block, several of the tooth blocks are arranged at both ends of the sliding plate, and the tooth blocks are meshed with the fixed gear; an adjusting spring, the adjusting spring is arranged at the end of the tooth block, and one end of the adjusting spring is connected to the sliding plate; a card ball, the card ball is arranged on the inner wall of the frame, and the card strip is clamped with the card ball; a drive shaft, the drive shaft is arranged inside the conveyor belt.

[0008] Preferably, an abutment plate is provided at one end of the sliding plate, and the abutment plate abuts against the lifting rod during operation, an adjustment block is provided at one end of the frame, a connecting arm is provided at one end of the adjustment block, and one end of the connecting arm is connected to the blocking ball, a rotating disc is provided at one end of the driving shaft, a paddle is provided at an eccentric portion of the surface of the rotating disc, and the paddle contacts the adjustment block during operation.

[0009] Preferably, a compression spring is provided at one end of the adjustment block, and the other end of the compression spring is connected to the frame.

[0010] Preferably, a fixing strip is provided on one end of the surface of the rotating disc away from the paddle.

[0011] Preferably, the two clamping bars are staggered inside the frame.

[0012] Preferably, a protective pad is provided on the surface of the clamping strip.

[0013] Preferably, a plurality of temporary storage bars are provided at one end of the assembly frame close to the second blanking frame, and a coil spring is provided between the temporary storage bars and the assembly frame.

[0014] Preferably, a limiting strip is provided on one end of the transfer plate surface close to the placement groove.

[0015] Preferably, a fixing frame is provided at one end of the transfer rod, and an auxiliary belt is provided on the surface of the fixing frame.

[0016] The beneficial effects of the present invention are as follows:

[0017] 1. The syringe assembly production line described in the present invention provides a clamping strip. When the assembled syringe is transferred to the interior of the packaging box, the lifting rod is activated to lift the packaging box, and the lifting rod is in direct contact with the bottom of the packaging box. Then the lifting rod will drive the packaging box to move in the direction of the rack. During the movement, the end of the lifting rod will first contact the abutment plate and push the abutment plate to move. During the movement of the abutment plate, the fixed gear will be driven to rotate through the tooth block, and the clamping strip will also rotate at this time, thereby clamping the packaging box, and the card strip is now engaged with the card ball. Then the lifting rod is activated again, and the lifting rod will move in the direction away from the rack, thereby resetting. In the process of resetting the lifting rod, since the card strip is engaged with the card ball, the clamping strip It will continue to clamp the packaging box. After the lifting rod is reset, the drive shaft is started to drive the conveyor belt to rotate. The paddle connected to the drive shaft will rotate to contact the inclined surface of the adjustment block, thereby pushing the connecting arm in the direction away from the frame for a distance. Since the connecting arm is connected to the card ball, a reset spring is provided at the upper end of the clamping bar. During the movement of the card ball, the reset spring will also pull the card bar, thereby separating the card bar from the card ball, and finally resetting the clamping bar. The packaging box falls inside the rack for storage, and the conveyor belt can also drive the packaging box to be transferred for collection and storage. By adopting direct contact between the lifting rod and the packaging box without affecting the transfer of the packaging box, not only the cost is reduced, but also the pressure of the stacked boxes on the frame is reduced.

[0018] 2. The syringe assembly production line described in the present invention, by setting the two clamping bars to be offset up and down, and providing a protective pad on the contact surface between the clamping bar and the packaging box, can not only better clamp the packaging box, but the protective pad can also increase friction and reduce deformation of the packaging box to facilitate subsequent sales. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] Figure 1 is a perspective view of embodiment 1 of the present invention;

[0021] Figure 2 It is a partial structural diagram of embodiment 1 of the present invention;

[0022] Figure 3is a perspective view of the assembly structure of the present invention;

[0023] Figure 4 yes Figure 3 A partial enlarged view of the middle A;

[0024] Figure 5 yes Figure 3 A partial enlarged view of point B in the middle;

[0025] Figure 6 It is a position diagram of the pressing frame and the assembly frame of the present invention;

[0026] Figure 7 It is a position diagram of the stacking structure and the conveying frame of the present invention;

[0027] Figure 8 It is a three-dimensional diagram of the frame of the present invention;

[0028] Figure 9 This is a connection diagram of the clamping bar and the fixed gear of the present invention;

[0029] Figure 10 It is a position diagram of the drive shaft and the clamping bar of the present invention;

[0030] Figure 11 yes Figure 10 A partial enlarged view of point C in the middle;

[0031] Figure 12 It is an interior view of the sliding panel;

[0032] In the figure: 1. Base frame; 2. Assembly structure; 201. First blanking frame; 202. Transfer plate; 203. Pressing frame; 204. Transfer rod; 205. Second blanking frame; 206. Fixing frame; 207. Auxiliary belt; 208. Limiting bar; 209. Assembly frame; 210. Temporary storage bar; 211. Coil spring; 212. Diverter bar; 213. Pressing block; 214. Placement slot; 3. Conveying structure; 31. Conveying frame; 32. Conveying roller; 4. Stacking structure; 41. Stacking frame; 42. Lifting platform; 43. Lifting rod; 44. Electronic track; 5. Placing structure; 501. Frame; 502. Conveyor belt; 503. Clamping bar; 504. Abutment plate; 505. Sliding plate; 506. Card bar; 507. Fixed gear; 508. Card ball; 509. Return spring; 510. Protective pad; 511. Tooth block; 512. Connecting arm; 513. Drive shaft; 514. Rotating disk; 515. Adjustment block; 516. Compression spring; 517. Fixing bar; 518. Paddle; 519. Adjustment spring; 6. Packing box. DETAILED DESCRIPTION

[0033] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0034] Example 1: Figures 1 to 12 As shown, a syringe assembly production line according to an embodiment of the present invention includes a base frame 1, an assembly structure 2 is provided at the upper end of the base frame 1, a conveying structure 3 is provided at one end of the assembly structure 2, the conveying structure 3 includes a conveying roller 32, and a stacking structure 4 is provided at one end of the conveying roller 32. The stacking structure 4 includes a stacking frame 41, the stacking frame 41 is provided at one end of the base frame 1, a lifting rod 43 is provided inside the stacking frame 41, and a placement structure 5 is provided at the other end of the conveying roller 32; the assembly structure 2 includes: a transfer disk 202, the transfer disk 202 is rotatably connected to the upper end of the base frame 1 end; and a plurality of placement grooves 214 are provided on the surface of the transfer disk 202; an assembly frame 209, the assembly frame 209 is provided at one end of the transfer disk 202, and the upper end of the assembly frame 209 is slidably connected to a pressing block 213; a second blanking frame 205, the second blanking frame 205 is provided at the upper end of the assembly frame 209; the placement structure 5 includes: a frame 501, the frame 501 is provided at one end of the conveying roller 32; a conveyor belt 502, the conveyor belt 502 is provided on the surface of the frame 501; a clamping bar 503, and the two clamping bars 503 are rotatably connected to the inside of the frame 501.

[0035] Specifically, a syringe assembly production line of the scheme is mainly used for the assembly and production of syringes. When in use, the syringe is first placed in the placement groove 214 on the surface of the transfer disk 202. Since the end of the syringe is provided with a sheet for hand pressing, the sheet can abut against the surface of the transfer disk 202 for placement. Then, the transfer disk 202 is started to rotate. When the syringe rotates to the inside of the second blanking frame 205, the push rod placed inside the second blanking frame 205 is transferred to the top of the syringe. At this time, the pressing block 213 is started to press. The block 213 will move downward and press the push rod into the inside of the syringe, thereby completing the assembly of the syringe. The packaging box 6 is then placed on the surface of the conveying roller 32 and the conveying roller 32 is started. The conveying roller 32 will drive the packaging box 6 to move toward the assembly frame 209, thereby collecting the assembled syringes. Since there are several placement slots 214 on the surface of the transfer disk 202, continuous assembly work can be performed. After a packaging box 6 has collected several syringes, the stacking frame 41 is started, and the stacking frame 41 will drive the lifting rod 43 moves, and since the lifting rod 43 can move horizontally and vertically inside the stacking frame 41, the lifting rod 43 will then contact the bottom of the packaging box 6, thereby driving the packaging box 6 to transfer toward the inside of the rack 501. When it is transferred to the upper end of the conveyor belt 502, the clamping bar 503 is started, and the clamping bar 503 will rotate to clamp the packaging box 6, thereby fixing the packaging box 6. Then, the stacking frame 41 is started again, and the stacking frame 41 will drive the lifting rod 43 to reset. When the lifting rod 43 leaves the rack 501, it is started again. The clamping strip 503 will be loosened, so that the packaging box 6 is transferred to the inside of the rack 501 for storage. By setting the placement structure 5, the packaging box 6 with collected syringes can be transferred and stored, and during the transfer process, the clamping strip 503 can clamp the packaging box 6 moved to the inside of the rack 501, thereby ensuring that the packaging box 6 can be smoothly transferred to the inside of the rack 501, avoiding other auxiliary placement platforms from being transferred to the inside of the rack 501, which increases the pressure of the goods on the rack 501.

[0036] like Figures 1 to 12As shown, the conveying structure 3 also includes a conveying frame 31, which is arranged at one end of the stacking frame 41, and the conveying roller 32 is arranged inside the conveying frame 31, the stacking structure 4 also includes an electronic track 44, the stacking frame 41 slides on the surface of the electronic track 44, the interior of the stacking frame 41 slides up and down and is connected to the lifting platform 42, and the lifting rod 43 slides horizontally on the surface of the lifting platform 42, the assembly structure 2 also includes: a first blanking frame 201, the first blanking frame 201 is arranged at the upper end of the base frame 1; a transfer rod 204, the transfer rod 204 is arranged inside the first blanking frame 201, and one end of the transfer rod 204 is close to the transfer disk 202; a dial bar 212, the dial bar 212 is rotatably connected to the inside of the assembly frame 209; a pressing frame 203, the pressing frame 203 is arranged at the upper end of the assembly frame 209, and the pressing block 213 slides inside the pressing frame 203; a placement structure The machine frame 501 further includes: a fixed gear 507, which is rotatably connected to the interior of the frame 501, and the clamping bar 503 is connected to the fixed gear 507; a return spring 509, which is provided at the connection between the clamping bar 503 and the frame 501; a clamping bar 506, which is provided at the lower end of the fixed gear 507; a sliding plate 505, which is slidably connected to the interior of the frame 501; a plurality of tooth blocks 511, A tooth block 511 is provided at both ends of the sliding plate 505, and the tooth block 511 is engaged with the fixed gear 507; an adjusting spring 519, the adjusting spring 519 is provided at the end of the tooth block 511, and one end of the adjusting spring 519 is connected to the sliding plate 505; a card ball 508, the card ball 508 is provided on the inner wall of the frame 501, and the card strip 506 is engaged with the card ball 508; a drive shaft 513, the drive shaft 513 is provided inside the conveyor belt 502.

[0037] Specifically, when assembling the syringe, the syringe in the first blanking frame 201 is first transferred to the surface of the transfer rod 204. Since the transfer rod 204 is inclined and its height gradually decreases toward the transfer plate 202, the syringe is transferred to the inside of the placement groove 214. Then, after the syringe is assembled, the dial bar 212 is started, and the dial bar 212 will rotate, thereby transferring the assembled syringe to the inside of the packaging box 6. Then, the lifting platform 42 is started. The lifting platform 42 can not only drive the lifting rod 43 to move up and down, but also control the horizontal movement of the lifting rod 43, thereby transferring the packaging box 6 to the inside of the frame 501, and then the sliding plate 505 is started. The sliding plate 505 will drive the gear block 511 to move toward the direction of the fixed gear 507. Since the gear block 511 is in contact with the inner wall of the sliding plate 505 at this time, the gear block 511 will drive the fixed gear 507 to rotate, thereby completing the packaging of the packaging box 6. When the locking ball 508 is moved, the return spring 509 will also pull the locking bar 506, thereby separating the locking bar 506 from the locking ball 508, and finally the clamping bar 503 is reset, and the packaging box 6 falls into the interior of the frame 501 for storage, and the drive shaft 513 can also drive the conveyor belt 502 to rotate, thereby transferring the packaging box 6.

[0038] like Figures 1 to 12 As shown, abutment plate 504 is provided at one end of the sliding plate 505, and the abutment plate 504 abuts against the lifting rod 43 during operation, an adjustment block 515 is provided at one end of the frame 501, a connecting arm 512 is provided at one end of the adjustment block 515, and one end of the connecting arm 512 is connected to the blocking ball 508, a rotating disc 514 is provided at one end of the driving shaft 513, a paddle 518 is provided at an eccentric portion of the surface of the rotating disc 514, and the paddle 518 contacts the adjustment block 515 during operation.

[0039] Specifically, by setting the abutment plate 504, in the process of the lifting rod 43 driving the packaging box 6 to move, the lifting rod 43 will contact the abutment plate 504, thereby driving the abutment plate 504 to move, so that the sliding plate 505 connected to the abutment plate 504 drives the clamping bar 503 to rotate. After the lifting rod 43 is reset, the driving shaft 513 will drive the paddle 518 to move through the rotating disc 514 in the process of driving the conveyor belt 502 to rotate, and finally contact the inclined surface of the adjustment block 515, thereby pushing the connecting arm 512 a distance away from the frame 501, and since the connecting arm 512 is connected to the card ball 508, the card bar 506 and the card ball 508 will automatically separate at this time.

[0040] like Figures 10 and 11 As shown, a compression spring 516 is provided at one end of the adjustment block 515 , and the other end of the compression spring 516 is connected to the frame 501 .

[0041] Specifically, since the paddle 518 will drive the adjustment block 515 to move, by setting a compression spring 516, when the paddle 518 is not in contact with the adjustment block 515, the compression spring 516 will release the elastic force, thereby driving the adjustment block 515 for subsequent cyclic work.

[0042] like Figures 10 and 11 As shown, a fixing bar 517 is provided on one end of the surface of the rotating disk 514 away from the paddle 518 .

[0043] Specifically, by providing the fixing bar 517 , in the initial state, the fixing bar 517 will contact the adjustment block 515 , thereby ensuring that the locking ball 508 will not shake when the locking bar 506 is engaged with the locking ball 508 .

[0044] like Figures 1 to 10 As shown, the two clamping bars 503 are staggered inside the frame 501 .

[0045] Specifically, by staggering the two clamping bars 503 , the contact area between the clamping bars 503 and the packaging box 6 is reduced while the packaging box 6 can be better clamped.

[0046] like Figures 1 to 10 As shown, a protection pad 510 is provided on the surface of the clamping strip 503 .

[0047] Specifically, by providing the protection pad 510 , when the clamping bar 503 clamps the packaging box 6 , the protection pad 510 can increase friction and reduce deformation of the packaging box 6 , so as to facilitate subsequent sales.

[0048] Example 2: Figures 1 to 5As shown, in contrast to Example 1, another embodiment of the present invention is that a plurality of temporary storage bars 210 are provided at one end of the assembly frame 209 close to the second blanking frame 205 , and a coil spring 211 is provided between the temporary storage bar 210 and the assembly frame 209 .

[0049] Specifically, by providing the temporary storage bar 210, when assembling the syringe, the push rod is first placed on the surface of the temporary storage bar 210. Since a coil spring 211 is provided at one end of the temporary storage bar 210, the push rod can be stabilized directly above the syringe, so that it can be manually adjusted. Subsequently, when the pressing block 213 presses the push rod, the temporary storage bar 210 will also rotate due to the pressure of the pressing block 213, so that the syringe can be assembled normally. After the assembly is completed, the coil spring 211 will release the elastic force to drive the temporary storage bar 210 to reset, thereby facilitating the continuous assembly of subsequent syringes.

[0050] like Figures 1 to 4 As shown, a limiting strip 208 is provided on one end of the surface of the transfer plate 202 close to the placement groove 214 .

[0051] Specifically, by providing a limiting bar 208 on the surface of the transfer disk 202 , when the syringe is transferred to the interior of the placement groove 214 , the limiting bar 208 can provide a certain support to the syringe without affecting the subsequent transfer of the syringe.

[0052] like Figures 1 to 4 As shown, a fixing frame 206 is provided at one end of the transfer rod 204 , and an auxiliary belt 207 is provided on the surface of the fixing frame 206 .

[0053] Specifically, when loading the syringe, although the inclined transfer rod 204 can transfer the syringe to the inside of the placement groove 214, it has a certain friction. By setting an auxiliary belt 207 at the end of the transfer rod 204, starting the auxiliary belt 207 can drive the syringe to move, thereby avoiding the phenomenon that some syringes are not transferred to the inside of the placement groove 214 due to the large friction.

[0054] Working principle: When in use, first transfer the syringe in the first blanking frame 201 to the surface of the transfer rod 204. Since the transfer rod 204 is tilted and its height gradually decreases toward the transfer disk 202, the syringe is transferred to the inside of the placement groove 214. Since the end of the syringe is provided with a sheet for hand pressing, the sheet can abut against the surface of the transfer disk 202 for placement. Then start the transfer disk 202 to rotate. When the syringe rotates to the inside of the second blanking frame 205, the push rod placed inside the second blanking frame 205 is transferred to the top of the syringe. At this time, start the pressing block 213, the pressing block 213 will move downward and press the push rod into the inside of the syringe, thereby completing the assembly of the syringe, and then pack The box 6 is placed on the surface of the conveying roller 32 and the conveying roller 32 is started. The conveying roller 32 will drive the packaging box 6 to move toward the assembly frame 209, so as to collect the assembled syringes. Since there are several placement grooves 214 on the surface of the transfer disk 202, continuous assembly work can be performed. At this time, the dial bar 212 is started, and the dial bar 212 will rotate, thereby transferring the assembled syringes to the inside of the packaging box 6. Then the lifting platform 42 is started. The lifting platform 42 can not only drive the lifting rod 43 to move up and down, but also control the horizontal movement of the lifting rod 43. Then the lifting rod 43 will contact the bottom of the packaging box 6, thereby driving the packaging box 6 to transfer toward the inside of the rack 501. In the process of the lifting rod 43 driving the packaging box 6 to move When the lifting rod 43 is reset, the sliding plate 505 will also be reset. In the reset process, since the other side of the tooth block 511 is not in contact with the inner wall of the sliding plate 505, the tooth block 511 will drive the fixed gear 507 to rotate, thereby clamping the packaging box 6. During the clamping process, the card strip 506 connected to the fixed gear 507 will rotate to engage with the card ball 508, thereby ensuring the fixation of the clamping strip 503. Subsequently, when the lifting rod 43 is reset, the sliding plate 505 will also be reset. In the reset process, since the other side of the tooth block 511 is not in contact with the inner wall of the sliding plate 505, the card strip 506 will be reset. The inner wall of the sliding plate 505 is in contact with each other, so the tooth block 511 will retract into the interior of the sliding plate 505, thereby not driving the fixed gear 507 to rotate. After the lifting rod 43 is reset, the driving shaft 513 will drive the paddle 518 to move through the rotating disc 514 while driving the conveyor belt 502 to rotate, and finally contact the inclined surface of the adjustment block 515, thereby pushing the connecting arm 512 and the card ball 508 away from the frame 501 for a distance. During the movement of the card ball 508, the return spring 509 will also pull the card strip 506, thereby separating the card strip 506 from the card ball 508. At this time, the clamping bar 503 will be loosened, so that the packaging box 6 is transferred to the interior of the frame 501 for storage.

[0055] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the foregoing embodiments. The foregoing embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A syringe assembly production line, characterized by: The invention comprises a base frame (1), an assembly structure (2) is provided at the upper end of the base frame (1), a conveying structure (3) is provided at one end of the assembly structure (2), the conveying structure (3) comprises a conveying roller (32), a stacking structure (4) is provided at one end of the conveying roller (32), the stacking structure (4) comprises a stacking frame (41), the stacking frame (41) is provided at one end of the base frame (1), a lifting rod (43) is provided inside the stacking frame (41), and a placement structure (5) is provided at the other end of the conveying roller (32); The assembly structure (2) comprises: A transfer plate (202), the transfer plate (202) being rotatably connected to the upper end of the base frame (1); and a plurality of placement grooves (214) are provided on the surface of the transfer plate (202); An assembly frame (209), the assembly frame (209) being provided at one end of the transfer plate (202), and a pressing block (213) being slidably connected to the upper end of the assembly frame (209); a second blanking frame (205), the second blanking frame (205) being arranged at the upper end of the assembly frame (209); The placement structure (5) comprises: A frame (501), the frame (501) being arranged at one end of the conveying roller (32); A conveyor belt (502), the conveyor belt (502) being arranged on the surface of the frame (501); Clamping bars (503), two of the clamping bars (503) are rotatably connected to the inside of the frame (501).

2. A syringe assembly production line according to claim 1, characterized in that: The conveying structure (3) further comprises a conveying frame (31), the conveying frame (31) being arranged at one end of the stacking frame (41), and the conveying roller (32) being arranged inside the conveying frame (31). The stacking structure (4) further comprises an electronic track (44), the stacking frame (41) sliding on the surface of the electronic track (44), the stacking frame (41) being connected to a lifting platform (42) in an up-and-down sliding manner inside, and the lifting rod (43) sliding horizontally on the surface of the lifting platform (42). The assembly structure (2) further comprises: a first blanking frame (201), the first blanking frame (201) being arranged at the upper end of the base frame (1); a transfer rod (204), the transfer rod (204) being arranged inside the first blanking frame (201), and one end of the transfer rod (204) being close to the transfer disk (202); a shift bar (212), the shift bar (212) being rotatably connected to the interior of the assembly frame (209); A pressing frame (203), the pressing frame (203) being arranged at the upper end of the assembling frame (209), and the pressing block (213) sliding inside the pressing frame (203); The placement structure (5) further includes: a fixed gear (507), the fixed gear (507) being rotatably connected to the interior of the frame (501), and the clamping bar (503) being connected to the fixed gear (507); a return spring (509), the return spring (509) being provided at the connection between the clamping strip (503) and the frame (501); A clamping strip (506), the clamping strip (506) being provided at the lower end of the fixed gear (507); A sliding plate (505), the sliding plate (505) being slidably connected to the interior of the frame (501); Tooth blocks (511), wherein a plurality of the tooth blocks (511) are provided at both ends of the sliding plate (505), and the tooth blocks (511) are meshed with the fixed gear (507); an adjusting spring (519), wherein the adjusting spring (519) is provided at an end portion of the tooth block (511), and one end of the adjusting spring (519) is connected to the sliding plate (505); A locking ball (508), the locking ball (508) is arranged on the inner wall of the frame (501), and the locking strip (506) is locked with the locking ball (508); A drive shaft (513), wherein the drive shaft (513) is arranged inside the conveyor belt (502).

3. The syringe assembly production line according to claim 2, characterized in that: One end of the sliding plate (505) is provided with an abutting plate (504), and the abutting plate (504) abuts against the lifting rod (43) during operation. One end of the frame (501) is provided with an adjusting block (515), one end of the adjusting block (515) is provided with a connecting arm (512), and one end of the connecting arm (512) is connected to the blocking ball (508). One end of the driving shaft (513) is provided with a rotating disc (514), and an eccentric portion of the surface of the rotating disc (514) is provided with a paddle (518), and the paddle (518) contacts the adjusting block (515) during operation.

4. A syringe assembly production line according to claim 3, characterized in that: One end of the adjustment block (515) is provided with a compression spring (516), and the other end of the compression spring (516) is connected to the frame (501).

5. The syringe assembly production line according to claim 3, characterized in that: A fixing strip (517) is provided on one end of the surface of the rotating disc (514) away from the paddle (518).

6. The syringe assembly production line according to claim 4, characterized in that: The two clamping bars (503) are staggeredly arranged inside the frame (501).

7. The syringe assembly production line according to claim 6, characterized in that: A protective pad (510) is provided on the surface of the clamping strip (503).

8. The syringe assembly production line according to claim 2, characterized in that: A plurality of temporary storage bars (210) are provided at one end of the assembly frame (209) close to the second blanking frame (205), and a coil spring (211) is provided between the temporary storage bars (210) and the assembly frame (209).

9. The syringe assembly production line according to claim 2, characterized in that: A limiting strip (208) is provided on one end of the surface of the transfer plate (202) close to the placement groove (214).

10. The syringe assembly production line according to claim 9, characterized in that: One end of the transfer rod (204) is provided with a fixing frame (206), and the surface of the fixing frame (206) is provided with an auxiliary belt (207).

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