An assembly device for extracorporeal circulation blood circuit attached tube

Abstract

The invention discloses an assembly device for an accessory tube of an extracorporeal circulation blood circuit, comprising a production line, on which a conveying device for clamping a catheter and driving the catheter to move forward is arranged, and the assembly device also comprises an automatic catheter feeding and cutting device, an automatic flow-stop clamp feeding and assembling device, a flow-stop clamp detection device, a catheter gluing device, an automatic mother needle base feeding device, an automatic antibacterial cap feeding and assembling device, a visual detection device and an automatic unloading device which are sequentially arranged along the moving direction of the production line; the beneficial effects of the invention are as follows: the cutting, feeding and automatic transportation of the catheter in the accessory tube of the extracorporeal circulation blood circuit are realized, and the assembly of the flow-stop clamp, the mother needle base and the antibacterial cap is sequentially performed at corresponding assembly stations, and after the assembly of some stations is completed, automatic detection can be performed to prevent inferior products and waste products from entering the next process, and after the assembly is completed, the accessory tube of the extracorporeal circulation blood circuit can also be automatically unloaded and transported, thereby realizing the automatic processing of the accessory tube of the extracorporeal circulation blood circuit.

Description

Technical Field

[0001] The invention relates to the technical field of medical equipment, and in particular to an assembly device for an extracorporeal circulation blood circuit attachment tube. Background Art

[0002] Extracorporeal blood circuit attachment tubes are mainly used in blood purification devices. They are consumables for hemodialysis and are mainly used for blood purification in patients with kidney function problems. They are essential for patients during hemodialysis and are therefore widely used in clinical practice. Figure 1 As shown, on the catheter 91, it is necessary to install the stop clamp 92 and the female needle base 93 in sequence, and finally install the antibacterial cap 94 at the end of the female needle base 93. At present, in the production of extracorporeal blood circuit attachment tubes, most of the production processes are completed by workers with the assistance of some simple tooling, with a low degree of full automation and a high degree of dependence on workers. The human factor has a great impact on product quality, and when installing the female needle base 93, glue needs to be applied, which will cause damage to the health of workers.

[0003] The patent with publication number “CN206966990U” discloses “a mechanism for assembling a flow-stopping clamp and a catheter”. However, the device can only assemble the flow-stopping clamp.

[0004] The patent with publication number "CN106041445A" discloses "a female needle base cover assembly device", which can only assemble the female needle base and has a low degree of automation.

[0005] To this end, our company has proposed an assembly device for extracorporeal blood circulation tubes. Summary of the invention

[0006] The purpose of the present invention is to provide an assembly device for extracorporeal blood circuit attachment tubes, which realizes the automated assembly of extracorporeal blood circuit attachment tubes and greatly improves production efficiency and product quality.

[0007] To achieve the above object, the present invention adopts the following technical solutions:

[0008] An assembly device for an extracorporeal circulation blood circuit attachment tube, wherein a conveying device for clamping a catheter and driving the catheter forward is arranged on the production line, and the assembly device also includes an automatic catheter feeding and cutting device, a stop-flow clamp automatic feeding and assembly device, a stop-flow clamp detection device, a catheter gluing device, a mother needle base automatic feeding device, an antibacterial cap automatic feeding and assembly device, a visual detection device and an automatic unloading device which are arranged in sequence along the moving direction of the production line.

[0009] Preferably, the automatic catheter feeding and cutting device comprises a rotatable catheter disc, and the catheter wound on the catheter disc sequentially enters the cutting mechanism along the tensioning mechanism, and the cutting mechanism cuts the catheter into standard length and enters the conveying device.

[0010] Preferably, the tensioning mechanism includes a first guide wheel group, a second guide wheel group, a catheter feed wheel, a first fixed pulley and a movable pulley which are arranged in sequence along the moving direction of the catheter, and a first photoelectric sensor and a second photoelectric sensor for monitoring the position of the movable pulley are arranged on both sides of the moving direction of the movable pulley.

[0011] Preferably, the cutting mechanism includes a guide nylon block for the catheter to enter, a tube-pulling telescopic rod for pulling the catheter to move in the guide nylon block, and a tube-releasing telescopic rod for transporting the cut catheter to a conveying device. Blades and pads for cutting the catheter are also provided on both sides of the catheter. The blades are connected to the first cutting telescopic rod, and the pads are connected to the second cutting telescopic rod.

[0012] Preferably, the automatic loading and assembly device of the flow stop clamp includes a first clamping block and a second clamping block for fixing the catheter, a non-return clamping part for preventing the catheter from moving back during the installation of the flow stop clamp, a telescopic rod for conveying the flow stop clamp, and a flow stop clamp needle for connecting the flow stop clamp clamped by the telescopic rod of the flow stop clamp to the catheter.

[0013] Preferably, the automatic feeding and assembly device for the flow-stop clamp further comprises a flow-stop clamp waiting bin for containing the flow-stop clamp, and the flow-stop clamp waiting bin has a movable flow-stop clamp waiting bin cover.

[0014] Preferably, the flow-stop clamp detection device comprises a support plate for lifting the catheter and a guide column that can be moved downward to contact the flow-stop clamp on the catheter, and also comprises a photoelectric switch that can detect the position of the guide column.

[0015] Preferably, the catheter glue coating device comprises a third clamping block and a fourth clamping block for fixing the catheter, a glue dipping block that can extend into the glue storage tank, and a coating device for coating the glue on the glue dipping block on the end of the catheter.

[0016] Preferably, the coating device comprises a reciprocatingly movable gluing cylinder mounting block, on which a gluing clamp telescopic rod is rotatably provided, and on which a gluing clamp telescopic rod is provided a gluing clamp for catching glue dropped from the gluing assembly.

[0017] Preferably, the automatic loading device for the female needle base includes a fifth clamping block and a sixth clamping block for fixing the catheter, a female needle base storage tank for holding the female needle base, and a female needle base threading needle for installing the female needle base in the female needle base storage tank to the end of the catheter, and the female needle base threading needle is connected to a female needle base assembly telescopic rod for driving it to reciprocate.

[0018] Preferably, the female needle base material storage tank is connected to the female needle base material storage tank telescopic rod, and a female needle base material bin cover telescopic rod is provided on the female needle base material storage tank telescopic rod, and the female needle base material bin cover telescopic rod is connected to the female needle base material bin cover.

[0019] Preferably, the automatic feeding and assembly device for the antibacterial cap comprises a seventh clamping block and an eighth clamping block for fixing the catheter, a first inner clamp and a second inner clamp for fixing the female needle base on the catheter, and a flip cap screwing device for screwing the antibacterial cap onto the female needle base.

[0020] Preferably, the flipping and capping device comprises a flipping mechanism mounting base plate, the flipping mechanism mounting base plate is connected to a capping feeding telescopic rod driving the reciprocating movement thereof, a flipping telescopic rod is arranged on the flipping mechanism mounting base plate, and the flipping telescopic rod is connected to the capping device.

[0021] Preferably, the cap screwing device comprises an anti-bacterial cap clamp, an anti-bacterial cap clamp clamping controller for controlling the clamping or loosening of the anti-bacterial cap clamp, and an anti-bacterial cap clamp rotation controller for controlling the rotation of the anti-bacterial cap clamp.

[0022] Preferably, the visual inspection device comprises a first fixing portion and a second fixing portion for fixing the catheter, a camera assembly for shooting, and a backlight box for fill light.

[0023] Preferably, the automatic unloading device includes a profile rack, on which is provided a picking device capable of picking up the catheter from the conveying device, the picking device being connected to a picking telescopic rod for driving it to reciprocate, and a material distribution box for containing the catheter being provided at the lower part of the profile rack.

[0024] The beneficial effects of the present invention are:

[0025] 1. The cutting, loading and automatic transportation of the catheter in the extracorporeal blood circuit accessory tube are realized, and the flow stop clamp, female needle base and antibacterial cap are assembled in sequence at the corresponding assembly stations. After the assembly of some stations is completed, automatic testing can be carried out to prevent inferior products and waste products from entering the next process. After the assembly is completed, the extracorporeal blood circuit accessory tube can also be automatically unloaded and transported, realizing the automated processing of the extracorporeal blood circuit accessory tube.

[0026] 2. The catheter is transported and carried in the form of a catheter tray. It can be straightened by the guide wheel, then cut into standard length and clamped on the conveying device. The conveying device can be driven to move through the production line, and the corresponding parts are assembled at each workstation during the movement.

[0027] 3. The main power components of this equipment are all cylinders, which have high operating precision and low working noise. At the same time, the equipment operation reliability is high, which effectively reduces the product defect rate and avoids the problem of reduced efficiency caused by frequent failures and shutdowns.

[0028] 4. Before installing the female needle base, apply glue to the corresponding parts of the catheter to ensure reliable assembly of the female needle base. Then clamp and fix the female needle base and the catheter respectively, and then screw the antibacterial cap onto the female needle base to realize the automatic operation of the equipment.

[0029] 5. Through the setting of visual inspection device, the assembled extracorporeal blood circuit tube can be automatically inspected. Once an abnormality is found, the machine can be automatically alarmed and shut down to prevent waste products from entering the next step of unloading process, effectively ensuring product quality.

[0030] 6. The present invention realizes automatic cutting and feeding of the catheter disc by setting up the cutting mechanism and the tensioning mechanism, avoids the problem of inconsistent product lengths caused by manual cutting, and improves product quality.

[0031] 7. The stop clamp is placed in the stop clamp waiting bin. When it needs to be installed, first open the cover of the stop clamp waiting bin, then the stop clamp taking claw cylinder takes out the stop clamp from the stop clamp waiting bin, and then the stop clamp needle inserts the stop clamp on the conduit, which realizes the automation of inserting the stop clamp and improves the assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the structure of the extracorporeal blood circuit attachment tube assembled in the present invention;

[0033] Figure 2 It is a schematic diagram of the structure of the catheter installed on the conveying device in the present invention;

[0034] Figure 3 It is a schematic diagram of the structure of the extracorporeal blood circuit attachment tube installed on the conveying device in the present invention;

[0035] Figure 4 It is a schematic diagram of the overall structure of the present invention;

[0036] Figure 5 It is a schematic diagram of the structure of the automatic feeding and cutting device for catheters in the present invention;

[0037] Figure 6 for Figure 5 Structural schematic diagram of the middle tensioning mechanism;

[0038] Figure 7 for Figure 5 Structural diagram of the intermediate movable pulley;

[0039] Figure 8 for Figure 5 The front view of the cutting mechanism;

[0040] Fig. 9 for Figure 5 A top view of the cutting mechanism;

[0041] Fig.10 It is a structural schematic diagram of the automatic feeding assembly device of the stop flow clamp of the present invention;

[0042] Fig.11 for Fig.10Schematic diagram of the flow-stop clamp needle and its installation;

[0043] Fig.12 It is a structural schematic diagram of the flow stop clamp detection device of the present invention;

[0044] Fig.13 It is a structural schematic diagram of the catheter glue coating device in the present invention;

[0045] Fig.14 for Fig.13 A schematic diagram of the structure of the coating device;

[0046] Fig.15 for Fig.14 A cross-sectional view of

[0047] Fig.16 It is a structural schematic diagram of the automatic feeding device for female needle base in the present invention;

[0048] Fig.17 for Fig.16 Schematic diagram of the needle threading and installation of the middle female needle base;

[0049] Fig.18 It is a structural schematic diagram of the automatic feeding and assembling device for antibacterial caps in the present invention;

[0050] Fig.19 It is a structural schematic diagram of the automatic feeding and assembling device for antibacterial caps in the present invention from another angle;

[0051] Fig. 20 for Fig.18 A schematic diagram of the structure of the middle cap screwing device;

[0052] Fig.21 It is a structural schematic diagram of the visual detection device in the present invention;

[0053] Fig. 22 It is a front view of the visual detection device in the present invention;

[0054] Fig.23 It is a structural schematic diagram of the automatic unloading device in the present invention.

[0055] The drawings are only used for illustrative purposes and should not be construed as limitations on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged, or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. DETAILED DESCRIPTION

[0056] The present invention is further described below in conjunction with the accompanying drawings. Example

[0057] like Figure 2 , Figure 3 and Figure 4 As shown, an assembly device for an accessory tube for an extracorporeal circulation blood circuit includes a production line, on which a conveying device 90 for clamping a catheter 91 and driving the catheter 91 forward is provided, and the assembly device also includes an automatic catheter feeding and cutting device 10, a stop-flow clamp automatic feeding and assembly device 20, a stop-flow clamp detection device 30, a catheter gluing device 40, a female needle base automatic feeding device 50, an antibacterial cap automatic feeding and assembly device 60, a visual detection device 70, and an automatic unloading device 80, which are sequentially arranged along the moving direction of the production line. In this embodiment, the production line can adopt a conventional circulation line in a workshop, and the conveying device 90 is installed on the line and moves with the circulation of the line, passing through each assembly device along the moving direction of the line, thereby completing the assembly of the accessory tube for the extracorporeal circulation blood circuit. The conveying devices 90 are arranged in groups on the production line. Each group of conveying devices 90 includes 8 gripping conveying parts. The 8 gripping conveying parts correspond to the number of catheters and stopper clips, female needle bases, antibacterial caps, etc. in each assembly process. In the actual assembly process, if it is assumed that the current group of conveying devices 90 is at the female needle base automatic feeding device 50 to perform the female needle base feeding process, then the groups of conveying devices 90 in front of it and the groups of conveying devices 90 behind it can simultaneously perform the processes of catheter cutting, stopper clip assembly and antibacterial cap assembly, automatic unloading, etc. This structure is a conventional facility in an existing production workshop and will not be described in detail in this embodiment.

[0058] like Figure 5 — Fig. 9 As shown, the automatic catheter feeding and cutting device 10 includes a rotatable catheter disk 103 . The catheters 91 wound on the catheter disk 103 enter the cutting mechanism along the tensioning mechanism in sequence. The cutting mechanism cuts the catheters 91 into standard lengths and enters the conveying device 90 .

[0059] The tensioning mechanism includes a first guide wheel group 117 (X-axis direction), a second guide wheel group 116 (Z-axis direction), a catheter feed wheel 114, a first fixed pulley 107 and a movable pulley 138, which are arranged in sequence along the moving direction of the catheter 91. A first photoelectric sensor 136 and a second photoelectric sensor 134 are arranged on both sides of the movable direction of the movable pulley 138 to monitor its position.

[0060] The cutting mechanism includes a guide nylon block 142 for the guide tube 91 to enter, a tube-pulling telescopic rod 120 for pulling the guide tube 91 to move in the guide nylon block 142, and a tube-releasing telescopic rod 123 for transporting the cut guide tube 91 to the conveying device 90. A blade 127 and a pad 125 are also provided on both sides of the guide tube 91 to cut it. The blade 127 is connected to a first cutting telescopic rod 128, and the pad 125 is connected to a second cutting telescopic rod 124. The tube-pulling telescopic rod 120, the tube-releasing telescopic rod 123, the first cutting telescopic rod 128, and the second cutting telescopic rod 124 are all cylinders. The tube-pulling telescopic rod 120 is installed on the first vertical plate 119, and the first vertical plate 119 is fixed on the desktop.

[0061] The catheter disc 103 is installed on both sides of the first frame 102 through an axis. There are 8 catheter discs 103 in total, corresponding to the conveying device 90. The first frame 102 is welded to the first bottom plate 101. The catheter passes through the guide hole 104 from the catheter disc 103, and the first motor 133 drives the catheter feed wheel 114 to rotate through the first guide wheel group 117 in the X-axis direction and the second guide wheel group 116 in the Z-axis direction (used to quickly straighten the catheter 91 from a bent state) installed on the second bottom plate 115. The catheter follower feed wheel 132 is installed directly above the catheter feed wheel 114. The follower feed wheel 132 is installed on the supporting long arm 113. The catheter passes through the feeding mechanism and enters the first fixed pulley 107 installed on the third bottom plate 112, and then enters The movable pulley 138 installed on the second frame 135 is inserted, and the first photoelectric sensor 136 and the second photoelectric sensor 134 are installed on the side of the second frame 135, and the whole is installed on the first support plate 110. As the catheter is pulled out by the cutting mechanism, the movable pulley 138 rises, and the second photoelectric sensor 134 loses the signal (until the first photoelectric sensor 136 gets a signal), and then the first motor 133 drives the catheter feeding wheel 114 to rotate, and after the catheter of appropriate length is fed forward, the movable pulley 138 drops, and the first photoelectric sensor 136 loses the signal (until the second photoelectric sensor 134 gets a signal). After that, the catheter enters the cutting mechanism, passes through the guide fixed pulley 126 and then enters the catheter guide nylon block 142. After the catheter is clamped by the catheter clamping block 141, the tube pulling telescopic rod 120 is extended. At this time, the catheter 91 is in the middle position of the tube clamping long arm 139. The front end of the cutting station clamping cylinder 121 has a clamping claw for clamping the catheter. After the clamping claw clamps the catheter, the first cutting telescopic rod 128 with a blade 127 at the front end is pushed up, and the second cutting telescopic rod 124 with a pad 125 at the front end moves downward to cut off the catheter 91. The front end of the cutting station clamping cylinder 123 is installed with a cutting station clamping cylinder 122. During the downward movement of the second cutting telescopic rod 124, when the catheter is in the middle position of the clamp of the cutting station clamping cylinder 122, the cutting station clamping cylinder 122 is actuated to clamp the cut catheter, and then the tube releasing cylinder 123 is actuated to place the cut catheter on the clamping conveying member of the conveying device 90.

[0062] like Fig.10 and Fig.11 As shown, the automatic feeding and assembly device 20 of the flow stop clamp includes a first clamping block 216 and a second clamping block 215 for fixing the catheter 91, a non-return clamping portion 214 for preventing the catheter 91 from retreating during the installation of the flow stop clamp 92, a telescopic rod 232 for conveying the flow stop clamp 92, and a flow stop clamp needle 222 for sleeve-connecting the flow stop clamp 92 clamped by the telescopic rod 232 on the catheter 91.

[0063] The stop-flow clamp automatic feeding and assembly device 20 further comprises a stop-flow clamp waiting bin 203 for containing the stop-flow clamps. The stop-flow clamp waiting bin 203 has a movable stop-flow clamp waiting bin cover plate 231 .

[0064] The fourth bottom plate 201 is fixed on the table, the second vertical plate 219 is bolted to the fourth bottom plate 201, the first lower clamping cylinder mounting plate 218 is fixed to the second vertical plate 219, the first lower clamping cylinder 217 is bolted to the first lower clamping cylinder mounting plate 218, and the first clamping block 216 is connected to the first lower clamping cylinder 217 ( Fig.10 For convenience of display, it is in a disconnected state), the second clamping block 215 cooperates with the first clamping block 216 to clamp the conduit 91, and the second clamping block 215 is connected to the first upper clamping cylinder 211 ( Fig.10 For the convenience of display, it is in a disconnected state. The first upper clamping cylinder 211 is fixed on the first mounting plate 210, and the first mounting plate 210 is connected to the second vertical plate 219 by bolts. A second mounting plate 213 is provided on the second vertical plate 219, and the stop clamp station pipe clamping cylinder 212 is fixed to the second mounting plate 213 by bolts. The non-return clamping part 214 is installed on the stop clamp station pipe clamping cylinder 212. The non-return clamping part 214 is a clamping claw cylinder that can clamp the conduit 91 to prevent it from retreating when the stop clamp is assembled. Figure 2 As shown, the clamping conveying member of the conveying device 90 has a first clamping plate 95 and a second clamping plate 96. The non-return clamping portion 214 can move downward under the action of the pipe clamping cylinder 212 of the stop clamp station and extend into between the first clamping plate 95 and the second clamping plate 96 to clamp the conduit between the two clamps to prevent it from moving backward when installing the stop clamp. The electric cylinder 209 is fixed with bolts to the first mounting plate 210, and the electric cylinder 209 is fixedly connected to the electric cylinder working plate 208. The stop-flow clamp material taking clamp claw cylinder 232 is fixedly installed on the electric cylinder working plate 208. The stop-flow clamp waiting bin 203 is fixed on the second vertical plate 219. The stop-flow clamp waiting bin cover plate 231 is connected to the push-cover cylinder 220 and covers the upper part of the stop-flow clamp waiting bin 203. The push-cover cylinder 220 is fixed to the bottom of the stop-flow clamp waiting bin 203. After the push-cover cylinder 220 pushes open the stop-flow clamp waiting bin cover plate 231, the electric cylinder 209 controls the electric cylinder working plate 208 and the stop-flow clamp material taking clamp claw cylinder 232 to move downward, takes out the stop-flow clamp from the stop-flow clamp waiting bin 203, and then moves upward so that the stop-flow clamp needle 222 can pass the stop-flow clamp on the conduit.

[0065] The first column 202 is fixed to the fourth bottom plate 201 by bolts, the first upper plate 204 is fixed to the first column 202 by bolts, the first upper plate 204 is provided with a second motor 205, the first slide rail 206 is fixed to the first upper plate 204, the stop clamp station horizontal plate 233 is fixed to the first slide rail 206, the stop clamp station vertical plate 234 is fixed to the stop clamp station horizontal plate 233 by bolts, and the second motor 205 can drive the first slide rail 206, the stop clamp station horizontal plate 233, the stop clamp station vertical plate 234 and the parts on the stop clamp station vertical plate 234 to move forward and backward. The third mounting plate 230 is fixed to the stop clamp station vertical plate 234 by bolts, the stop clamp push cylinder 227 is fixed to the third mounting plate 230, and the stop clamp push connecting plate 224 is fixed to the stop clamp push cylinder 227 ( Fig.11 For the convenience of display, it is in the disconnected state), the guide shaft 235 passes through the push-stop clamp connecting plate 224, passes through the first linear bearing 226 and is fixed on the guide shaft connecting block 228, the push-stop clamp baffle 223 is fixed on the guide shaft 235, the stop clamp needle 222 passes through the push-stop clamp baffle 223 and is fixed on the push-stop clamp connecting plate 224, and passes through the stop clamp cylinder 229 and is fixed on the third mounting plate 230, and the stop clamp needle 222 is made of steel.

[0066] After the flow-stop clamp is taken out by the flow-stop clamp claw cylinder 232, the second motor 205 drives the flow-stop clamp station vertical plate 234 and the flow-stop clamp needle 222 to move forward until the flow-stop clamp needle 222 passes through the flow-stop clamp in the flow-stop clamp claw cylinder 232 (i.e., the flow-stop clamp is inserted on the flow-stop clamp needle 222), and then the flow-stop clamp connecting plate 224 moves forward under the push of the flow-stop clamp pushing cylinder 227, and the flow-stop clamp is inserted on the conduit.

[0067] like Fig.12 As shown, the flow stop clamp detection device 30 includes a support plate 303 that lifts up the conduit 91 and a guide column 305 that can move downward to contact the flow stop clamp 92 on the conduit 91, and also includes a photoelectric switch 306 that can detect the position of the guide column 305. In this embodiment, the photoelectric switch 306 is a slot-type photoelectric switch.

[0068] The stop-flow clamp detection upper main board 302 is connected to the first side plate 310 by bolts and to the fifth bottom plate 301 by bolts and then fixed on the desktop. The photoelectric switch 306 and the guide column 305 are installed on the fixed plate 304. The fixed plate 304 is connected to the first downward pressure cylinder 307. The first downward pressure cylinder 307 installed on the back plate 308 is actuated. At the same time, the first lifting cylinder 309 is actuated to lift the support plate 303. The height of the conduit with the stop-flow clamp is higher, the guide column 305 drops less, and the photoelectric switch 306 has a signal. The height of the conduit without the stop-flow clamp is lower, the guide column 305 drops more, and the photoelectric switch 306 has no signal, so it can be judged whether the conduit has a stop-flow clamp.

[0069] like Fig.13 , Fig.14 and Fig.15 As shown, the catheter glue coating device 40 includes a third clamping block 410 and a fourth clamping block 409 for fixing the catheter 91, a glue dipping block 429 that can extend into the glue storage tank 428, and a coating device for coating the glue on the glue dipping block 429 on the end of the catheter 91.

[0070] The coating device includes a reciprocating glue cylinder mounting block 415 , on which a glue clamp telescopic rod 423 is rotatably provided, and on which a glue clamp telescopic rod 423 is provided a glue clamp 425 for receiving glue dropped from a glue dipping assembly 429 .

[0071] The lower bottom plate 413 of the gluing station is fixed to the desktop by bolts, the third vertical plate 401 is connected to the lower bottom plate 413 of the gluing station by bolts, the third vertical plate 401 is connected to the upper top plate 405 by bolts, the second lower clamping cylinder fixing block 412 is connected to the lower bottom plate 413 of the gluing station by bolts, the second lower clamping cylinder 411 is connected to the second lower clamping cylinder fixing block 412 by bolts, the third clamping block 410 is connected to the second lower clamping cylinder 411 by bolts (for convenience of display in the figure, it is in a disconnected state), the second upper clamping cylinder fixing block 427 is connected to the upper top plate 405 by bolts, and the second upper clamping cylinder 40 7 is connected to the second upper clamping cylinder fixing block 427 by bolts, the fourth clamping block 409 is connected to the second upper clamping cylinder 407 by bolts (in the figure, it is in a disconnected state for the convenience of display), the fourth mounting plate 426 is connected to the third vertical plate 401 by bolts, the glue storage tank 428 is fixed on the fifth mounting plate 406, the lower end of the glue dipping block 429 has a glue dipping block, and the upper end of the glue dipping block 429 is connected to the lifting cylinder 406. The lifting cylinder 406 can control the glue dipping block to move downward and immerse in the glue (for glue taking action) or move upward and move out of the glue (the obtained glue flows downward and enters the glue coating fixture 425). The glue barrel fixing block 402 is connected to the fourth mounting plate 426 by bolts, the liquid level sensor 404 is installed on the glue barrel fixing block 402, and the glue barrel 403 is placed in the glue barrel fixing block 402 for supplying glue to the glue storage tank 428. The glue inlet of the glue storage tank 428 is located in the middle of the glue barrel mounting block 402. The second slide rail 414 is fixed to the fifth mounting plate 406, the glue coating cylinder mounting block 415 is connected to the second slide rail 414 by bolts, the glue dipping cylinder mounting block 420 is connected to the fourth mounting plate 426 by bolts, the glue dipping cylinder 419 is fixed to the glue dipping cylinder mounting block 420, and is connected to the glue coating cylinder mounting block 415 through a floating joint, and the glue dipping cylinder 419 can push the glue coating cylinder mounting block 415 to move forward and backward. The third slide rail 424 is fixed on the glue coating cylinder mounting block 415, the rack connecting block 439 is connected to the third slide rail 424 by bolts, the rotating cylinder 422 is fixed on the glue coating cylinder mounting block 415, and is connected to the rack mounting block 439 by a floating joint, the rack 418 cooperates with the first keyless gear 416, and is connected to the rack connecting block 439 by bolts, the rotating cylinder 422 can push the rack 418 to move forward and backward, thereby driving the first keyless gear 416 to rotate. The front bearing 433 is installed in the front bearing groove of the glue coating cylinder mounting block 415, and the rear bearing 434 is installed in the rear bearing groove of the glue coating cylinder mounting block 415. The jaw cylinder intake shaft 417 passes through the rear bearing 434, the glue coating cylinder mounting block 415, and the front bearing 433 and is bolted to the glue coating jaw cylinder 423. The glue coating fixture 425 is bolted to the glue coating jaw cylinder 423. The rear bearing retaining spring 436 is tightly attached to the rear bearing 434. The first keyless gear 416 passes through the glue coating cylinder intake shaft and is fixed. The rotary joint 438 is installed at the end of the glue coating cylinder intake shaft and is connected to the intake pipeline.When applying glue, first the glue dipping assembly 429 and the glue dipping block at its lower end move downward and upward, then the glue dipping cylinder 419 pushes the glue coating cylinder mounting block 415 forward, and the glue coating clamp 425 at the front end of the glue coating cylinder mounting block 415 can receive the glue dipped by it when passing through the glue dipping block, and then the glue coating cylinder mounting block 415 continues to move forward until the glue coating clamp 425 contacts the catheter, and the glue coating claw cylinder 423 controls the glue coating clamp 425 to clamp the catheter, and then the glue coating clamp 425 rotates under the drive of the first keyless gear 416 to apply glue to the end of the catheter (to facilitate the installation of the female needle base in the next step).

[0072] like Fig.16 and Fig.17 As shown, the automatic loading device 50 for female needle bases includes a fifth clamping block 514 and a sixth clamping block 511 for fixing the catheter 91, a female needle base storage tank 516 for containing the female needle bases, and a female needle base threading needle 518 for installing the female needle bases in the female needle base storage tank 516 to the end of the catheter 91, and the female needle base threading needle 518 is connected to a female needle base assembly telescopic rod 529 for driving it to reciprocate.

[0073] The female needle base material storage tank 516 is connected to the female needle base material storage tank telescopic rod 513, and a female needle base material bin cover telescopic rod 533 is provided on the female needle base material storage tank telescopic rod 513, and the female needle base material bin cover telescopic rod 533 is connected to the female needle base material bin cover 515.

[0074] The sixth base plate 501 is fixed on the desktop by bolts, the second column 502 is fixedly connected to the sixth base plate 501 by bolts, the second upper plate 504 is fixedly connected to the second column 502 by bolts, the third upper clamping cylinder mounting block 508 is fixed on the second upper plate 504, the third upper clamping cylinder 509 is fixedly installed on the third upper clamping cylinder mounting block 508, the third upper clamping cylinder fixture connecting plate 510 is fixedly connected to the third upper clamping cylinder 509, the fifth clamping block 514 is fixed to the third upper clamping cylinder fixture connecting plate 510, the third lower clamping cylinder 512 is fixed to the sixth clamping block 511, the third lower clamping cylinder mounting block 531 is fixedly connected to the third lower clamping cylinder 512 by bolts, the third lower clamping cylinder mounting block 531 is fixedly installed on the sixth base plate 501, the sixth clamping block 511 and the fifth clamping block 514 cooperate to clamp the catheter to prevent the catheter from shaking when assembling the female needle base. The second lifting cylinder 513 is fixedly connected to the third lower clamping cylinder mounting block 531, the mother needle base material bin cover moving cylinder mounting plate 532 is fixedly connected to the second lifting cylinder 513 by bolts, the mother needle base material storage tank 516 is fixedly mounted on the mother needle base material bin cover moving cylinder mounting plate 532, the mother needle base material bin cover moving cylinder 533 is fixed on the mother needle base material bin cover moving cylinder mounting plate 532, the mother needle base material bin cover 515 is fixedly connected to the mother needle base material bin cover moving cylinder 533 and covers the mother needle base material bin cover. Above the groove 516, when installing the mother needle base, the second lifting cylinder 513 first controls the mother needle base storage groove 516 to rise so that the mother needle base threading needle 518 can penetrate the mother needle base therefrom, and then the mother needle base material bin cover moving cylinder 533 controls the mother needle base material bin cover 515 to move backward to prevent interference with the mother needle base threading needle 518, and then the second lifting cylinder 513 controls the mother needle base storage groove 516 and the mother needle base material bin cover moving cylinder 533 and the mother needle base material bin cover 515 to move downward, and the mother needle base threading needle 518 installs the mother needle base.

[0075] The third motor 503 is fixed on the second upper plate 504, the synchronous belt 507 cooperates with the third motor 503 and is fixed on the second support plate 505, the mother needle base station vertical plate 517 is fixedly connected to the second support plate 505, and the third motor 503 controls the rotation of the synchronous belt 507, thereby driving the second support plate 505 and the mother needle base station vertical plate 517 to move back and forth. The female needle base assembly cylinder mounting plate 528 is fixedly connected to the female needle base station vertical plate 517, the female needle base assembly cylinder 529 is fixed to the female needle base assembly cylinder mounting plate 528 by bolts, the female needle base assembly push plate 521 is fixedly connected to the female needle base assembly cylinder 529, the second linear bearing 522 is fixed in the female needle base assembly push plate 521, the female needle base sleeve 520 is pushed through the second linear bearing 522 and fixed, the female needle base needle 518 passes through the female needle base 93, the female needle base sleeve 520 is pushed, and the third linear bearing 523 is fixed on the floating joint 525, the linear bearing mounting block 524 is fixed on the female needle base assembly cylinder mounting plate 528, the third linear bearing 523 is fixedly installed in the linear bearing mounting block 524, the stop-flow clamp cylinder mounting seat 527 is fixed on the female needle base assembly cylinder mounting plate 528, and the stop-flow clamp cylinder 526 is fixed on the stop-flow clamp cylinder mounting seat 527 and connected to the floating joint 525. When the third motor 503 controls the mother needle base station vertical plate 517 to move forward, it drives the mother needle base assembly cylinder mounting plate 528 and the mother needle base assembly cylinder 529 to move forward, so that the mother needle base needle 518 is inserted into the mother needle base from the mother needle base storage groove 516. Because there are eight mother needle base needles 518 (in this embodiment, 8 mother needle bases are inserted at a time), in order to avoid the uneven positions of the mother needle base needles 518, the mother needle base needles 518 are provided with a certain elasticity (can move forward and backward) by setting the flow-stop clamp cylinder 526. The mother needle base needles 518 that have completed the insertion first will no longer move forward, and the mother needle base needles 518 that are slightly behind will continue to move forward driven by the third motor 503, so that all eight mother needle base needles 518 are inserted into the mother needle base. Then the mother needle base assembly cylinder 529 is actuated to drive the mother needle base assembly push plate 521 and the mother needle base needle 518 to continue to move forward, and the mother needle base is inserted into the catheter.

[0076] like Fig.18 , Fig.19 and Fig. 20 As shown, the automatic feeding and assembly device 60 for anti-bacterial caps includes a seventh clamping block 612 and an eighth clamping block 613 for fixing the catheter 91, a first inner clamp 611 and a second inner clamp 614 for fixing the female needle base 93 on the catheter 91, and a flip cap screwing device for screwing the anti-bacterial cap 94 onto the female needle base 93.

[0077] The flipping capping device includes a flipping mechanism mounting base plate 620, which is connected to a capping feeding telescopic rod 602 that drives the flipping mechanism to move back and forth, and a flipping telescopic rod 618 is arranged on the flipping mechanism mounting base plate 620, and the flipping telescopic rod 618 is connected to the capping device. Both the flipping telescopic rod 618 and the capping feeding telescopic rod 602 are cylinders.

[0078] The seventh base plate 601 is fixed on the desktop, the second side plate 606 is fixedly connected to the seventh base plate 601, the upper cylinder cross plate 608 is fixedly connected to the second side plate 606, the anti-bacteria cap station tube clamping cylinder 609 is fixedly installed on the upper cylinder cross plate 608, the seventh clamping block 612 is fixed on the outer tube clamping upper cylinder 609, the seventh clamping block 612 and the eighth clamping block 613 cooperate to clamp the catheter, the eighth clamping block 613 is fixedly connected to the outer tube clamping lower cylinder 615, and the lower cylinder cross plate 617 is fixed to the outer tube clamping lower cylinder 615. The inner tube clamp upper cylinder 607 is fixed on the upper cylinder transverse plate 608, the inner tube clamp upper cylinder connecting plate 610 is fixedly connected to the inner tube clamp upper cylinder 607, the first inner clamp 611 is fixedly connected to the inner tube clamp upper cylinder connecting plate 610 by bolts, the second inner clamp 614 cooperates with the first inner clamp 611 to clamp the female needle base, the inner tube clamp lower cylinder connecting plate 616 is fixedly connected to the second inner clamp 614 by bolts, the inner tube clamp lower cylinder 634 is fixedly connected to the inner tube clamp lower cylinder connecting plate 616 by bolts, and the inner tube clamp lower cylinder 634 is fixed to the lower cylinder transverse plate 617.

[0079] The cap-tightening feeding telescopic rod 602 is fixed on the seventh base plate 601, the buffer 603 is fixed on the seventh base plate 601 and its height is flush with the flip mechanism mounting base plate 620, the fourth slide rail 619 is fixed on the seventh base plate 601, the flip mechanism mounting base plate 620 is fixed on the fifth slide rail 609, the flip telescopic rod 618 is fixed on the flip mechanism mounting base plate 620 by a hinge, the third side plate 604 is fixed to the flip mechanism mounting base plate 620 by bolts, the connecting rod 605 is fixedly connected to the flip telescopic rod 618, and the flip mechanism mounting shaft is connected to the connecting rod 605. Fig.18 As shown in the figure, the flip capping device is in a vertical state. After the flip telescopic rod 618 is extended, the capping device arranged on the flip mechanism mounting base 620 can be flipped to a horizontal state so as to screw the antibacterial cap onto the female needle base 93.

[0080] The cap screwing device includes an antibacterial cap clamp 632, an antibacterial cap clamp gripping controller 631 for controlling the clamping or loosening of the antibacterial cap clamp 632, and an antibacterial cap clamp rotation controller 621 for controlling the rotation of the antibacterial cap clamp 632. The antibacterial cap clamp rotation controller 621 can use conventional equipment such as a motor, the antibacterial cap clamp gripping controller 631 is a cylinder, and the antibacterial cap clamp 632 is a special clamp.

[0081] In the cap-tightening mechanism, the anti-bacteria cap clamp rotation controller 621 is fixed on the fixed frame, the coupling 622 connects the anti-bacteria cap clamp rotation controller 621 and the first mounting shaft 623, the first deep groove ball bearing 624 and the second deep groove ball bearing 626 are fixed on the first mounting shaft 623, and are distributed on both sides of the second keyless gear 625, the third keyless gear 628 is sleeved on the second mounting shaft 630 and meshed with the second keyless gear 625, the fourth linear bearing 627 and the fifth linear bearing 629 are sleeved on the second mounting shaft 630 and fixed on both sides of the third keyless gear 628, the anti-bacteria cap clamp clamping controller 631 is fixed to the end of the second mounting shaft 630 by bolts, and the anti-bacteria cap clamp 632 is installed on the clamping fingers of the anti-bacteria cap clamp clamping controller 631. After the cap-tightening device is flipped to a horizontal state, the cap-tightening feeding telescopic rod 602 is extended, which can push the cap-tightening device forward until the anti-bacterial cap clamp 632 contacts the mother needle base, and then the anti-bacterial cap clamp rotation controller 621 drives the anti-bacterial cap clamp 632 to rotate, and at the same time, the anti-bacterial cap clamp 632 moves forward during the rotation process, and the anti-bacterial cap can be screwed onto the mother needle base.

[0082] like Fig.21 and Fig. 22 As shown, the visual inspection device 70 includes a first fixing portion 709 and a second fixing portion 711 for fixing the catheter 91, a camera assembly 706 for shooting, and a backlight box 705 for fill light.

[0083] The camera assembly 706 is mounted on the sixth mounting plate 714, which is mounted on the uniaxial driver 715. The uniaxial driver 715 is mounted on the detection station profile 702 and fixed to the desktop through the eighth bottom plate 701. The second downward pressure cylinder 707 is fixed to the detection station profile 702 through the intermediate connecting plate 708 and fixed to the desktop through the ninth bottom plate 712. The third lifting cylinder 713 is connected to the second fixing part 711 (disconnected for convenience of display in the figure), and the second downward pressure cylinder 707 is connected to the first fixing part 709 (disconnected for convenience of display in the figure). The tempered glass 710 is installed above the backlight box 705 and is mounted on the detection station profile 702 through the third support plate 704. The camera assembly 706 can move under the drive of the uniaxial driver 715, take pictures of the catheter at the current station, and automatically detect whether there are any parts (stop clamp, female needle base, antibacterial cap, etc.) missing on the catheter, thereby improving the automation of the equipment.

[0084] like Fig.23 As shown, the automatic unloading device 80 includes a profile rack 803, on which is disposed a picking device 807 capable of picking up the conduit 91 from the conveying device 90, the picking device 807 is connected to a picking telescopic rod 804 for driving it to reciprocate, and a material distribution box 802 for containing the conduit 91 is disposed at the lower portion of the profile rack 803, and the picking device 807 is a clamping cylinder.

[0085] The integral conveyor belt 801 is located below the material distribution box 802, the flip baffle 809 is installed on the profile frame 803 through a plate, the flip baffle cylinder 810 is connected to the reversal baffle 809, and its rear end is installed on the profile frame 803, the material picking telescopic rod 804 is fixed on the profile frame 803, and its head end is connected to the seventh mounting plate 805 through a floating joint (in the figure, it is in a disconnected state for the convenience of display), the seventh mounting plate 805 is connected to the track fixed on the profile frame 803 by bolts, the material picking cylinder 806 is connected to the seventh mounting plate 805 by bolts, the material picking device 807 is installed on the material picking cylinder 806, and the eighth mounting plate 808 is connected to the profile frame 803 and fixed to the desktop. The material picking telescopic rod 804 pushes the material picking device 807 forward to the top of the conveying device 90, and then the material picking cylinder 806 controls the material picking device 807 to move downward, and the material picking device 807 grabs the catheter, and then the material picking device 807 moves upward, and the material picking telescopic rod 804 drives it to move backward to the top of the material distribution box 802, and the material picking device 807 releases the catheter to make it fall into the material distribution box 802, and the flip baffle cylinder 810 controls the flip baffle 809 to open, and the catheter falls along the material distribution box 802 onto the overall conveyor belt 801 and is transported away.

[0086] All the moving parts of this equipment use motors or cylinders, which are reliable, low-noise and highly stable. When in use, the program setting realizes the automation of the assembly and detection of the extracorporeal blood circuit tube, with high assembly quality, effectively reducing the defective rate of the product, and avoiding the problem of reduced efficiency caused by frequent failures and shutdowns.

[0087] The above embodiments do not impose any formal limitations on the shape, material, structure, etc. of the present invention. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

[0088] In the description of the present invention, it is necessary to understand that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the protection content of the present invention.

[0089] If the words "first", "second", etc. are used in this document to limit components, those skilled in the art should know that the use of "first" and "second" is only to facilitate the description of the present invention and simplify the description. Unless otherwise stated, the above words have no special meaning.

[0090] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein, but these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An assembly device for an extracorporeal blood circuit attachment tube, comprising a production line, wherein a conveying device (90) for clamping a catheter (91) and driving the catheter (91) forward is provided on the production line, characterized in that: The assembly device also includes a catheter automatic feeding and cutting device (10), a stop clamp automatic feeding and assembly device (20), a stop clamp detection device (30), a catheter glue coating device (40), a female needle base automatic feeding device (50), an antibacterial cap automatic feeding and assembly device (60), a visual detection device (70), and an automatic unloading device (80) which are sequentially arranged along the moving direction of the production line. The stop clamp automatic feeding and assembly device (20) comprises a stop clamp material clamping claw telescopic rod (232) for conveying the stop clamp (92) and a stop clamp insertion needle (222) for sleeve-connecting the stop clamp (92) clamped by the stop clamp material clamping claw telescopic rod (232) on the catheter (91); The catheter automatic feeding and cutting device (10) comprises a rotatable catheter disc (103), the catheter (91) wound on the catheter disc (103) sequentially enters the cutting mechanism along the tensioning mechanism, and the cutting mechanism cuts the catheter (91) into a standard length and enters the conveying device (90); The tensioning mechanism comprises a first guide wheel group (117), a second guide wheel group (116), a guide wheel (114), a first fixed pulley (107) and a movable pulley (138) which are sequentially arranged along the moving direction of the catheter (91); a first photoelectric sensor (136) and a second photoelectric sensor (134) for monitoring the position of the movable pulley (138) are arranged on both sides of the movable direction of the movable pulley (138); The cutting mechanism comprises a guide nylon block (142) for the catheter (91) to enter, a tube-pulling telescopic rod (120) for pulling the catheter (91) to move within the guide nylon block (142), and a tube-releasing telescopic rod (123) for transporting the cut catheter (91) to a conveying device (90). Blades (127) and pads (125) for cutting the catheter (91) are also provided on both sides of the catheter (91). The blades (127) are connected to a first cutting telescopic rod (128), and the pads (125) are connected to a second cutting telescopic rod (124).

2. The assembly device for an extracorporeal blood circuit attachment tube according to claim 1, characterized in that: The stop clamp automatic loading and assembly device (20) comprises a first clamping block (216) and a second clamping block (215) for fixing the conduit (91), and a non-return clamping portion (214) for preventing the conduit (91) from retreating during the installation of the stop clamp (92).

3. The assembly device for an extracorporeal blood circuit attachment tube according to claim 2, characterized in that: The stop-flow clamp automatic feeding and assembly device (20) further comprises a stop-flow clamp waiting bin (203) for containing the stop-flow clamps, and the stop-flow clamp waiting bin (203) has a movable stop-flow clamp waiting bin cover plate (231).

4. The assembly device for an extracorporeal blood circuit attachment tube according to claim 1, characterized in that: The flow-stop clamp detection device (30) comprises a support plate (303) that lifts up the conduit (91), a guide column (305) that can move downward to contact the flow-stop clamp (92) on the conduit (91), and a photoelectric switch (306) that can detect the position of the guide column (305).

5. The assembly device for an extracorporeal blood circuit attachment tube according to claim 1, characterized in that: The catheter glue coating device (40) comprises a third clamping block (410) and a fourth clamping block (409) for fixing the catheter (91), a glue dipping block (429) that can extend into the glue storage tank (428), and a coating device for coating the glue on the glue dipping block (429) onto the end of the catheter (91).

6. The assembly device for an extracorporeal blood circuit attachment tube according to claim 5, characterized in that: The coating device comprises a glue coating cylinder mounting block (415) that can move back and forth, a glue coating clamp telescopic rod (423) being rotatably arranged on the glue coating cylinder mounting block (415), and a glue coating clamp (425) for receiving glue dropped from the glue dipping assembly block (429) being arranged on the glue coating clamp telescopic rod (423).

7. The assembly device for an extracorporeal blood circuit attachment tube according to claim 1, characterized in that: The female needle base automatic feeding device (50) comprises a fifth clamping block (514) and a sixth clamping block (511) for fixing the catheter (91), a female needle base storage tank (516) for containing the female needle base, and a female needle base threading needle (518) for installing the female needle base in the female needle base storage tank (516) to the end of the catheter (91), and the female needle base threading needle (518) is connected to a female needle base assembly telescopic rod (529) for driving it to reciprocate.

8. The assembly device for an extracorporeal blood circuit attachment tube according to claim 7, characterized in that: The female needle base material storage tank (516) is connected to the female needle base material storage tank telescopic rod (513), a female needle base material bin cover telescopic rod (533) is provided on the female needle base material storage tank telescopic rod (513), and the female needle base material bin cover telescopic rod (533) is connected to the female needle base material bin cover (515).

9. The assembly device for an extracorporeal blood circuit attachment tube according to claim 1, characterized in that: The antibacterial cap automatic feeding and assembly device (60) comprises a seventh clamping block (612) and an eighth clamping block (613) for fixing the catheter (91), a first inner clamp (611) and a second inner clamp (614) for fixing the female needle base (93) on the catheter (91), and a flip cap screwing device for screwing the antibacterial cap (94) onto the female needle base (93).

10. The assembly device for an extracorporeal blood circuit attachment tube according to claim 9, characterized in that: The flipping cap screwing device comprises a flipping mechanism mounting base plate (620), the flipping mechanism mounting base plate (620) being connected to a cap screwing feeding telescopic rod (602) that drives the flipping mechanism to move back and forth, a flipping telescopic rod (618) being arranged on the flipping mechanism mounting base plate (620), and the flipping telescopic rod (618) being connected to the cap screwing device.

11. The assembly device for an extracorporeal blood circuit attachment tube according to claim 10, characterized in that: The cap screwing device comprises an anti-bacterial cap clamp (632), an anti-bacterial cap clamp clamping controller (631) for controlling the clamping or loosening of the anti-bacterial cap clamp (632), and an anti-bacterial cap clamp rotation controller (621) for controlling the rotation of the anti-bacterial cap clamp (632).

12. The assembly device for an extracorporeal blood circuit attachment tube according to claim 1, characterized in that: The visual inspection device (70) comprises a first fixing portion (709) and a second fixing portion (711) for fixing the catheter (91), a camera assembly (706) for shooting, and a backlight box (705) for supplementary lighting.

13. The assembly device for an extracorporeal blood circuit attachment tube according to claim 1, characterized in that: The automatic unloading device (80) comprises a profile rack (803), on which a material taking device (807) is arranged for clamping a conduit (91) from a conveying device (90), the material taking device (807) being connected to a material taking telescopic rod (804) for driving the material taking device (807) to reciprocate, and a material distribution box (802) for containing the conduit (91) is arranged at the lower part of the profile rack (803).

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