Plastic fluid hose cutting fixed-length conveying mechanism

Abstract

The utility model relates to the technical field of plastic pipe processing, in particular to a plastic fluid hose cutting and fixed-length conveying mechanism which can automatically cut and discharge materials, prevents a plastic fluid hose from being rolled, stretched, deformed and slipped, and is high in conveying accuracy. Comprising a platform, two wheel carriers and two rolling wheels, the two wheel carriers are installed at one end of the platform, and the two rolling wheels are rotationally installed on the two wheel carriers in an up-down arrangement mode; the device further comprises two synchronous wheels, a synchronous belt, an installation plate, a grabbing pipe, a servo motor, a pressing mechanism and a cutting mechanism, the pressing mechanism and the cutting mechanism are installed in the middle of the platform, the two synchronous wheels are rotationally installed on the platform through supports and located at the end away from the wheel frame, the synchronous belt is connected to the two synchronous wheels in a sleeving mode, and the servo motor is connected to the installation plate. The mounting plate is mounted on the synchronous belt, the grabbing pipe is mounted on the mounting plate, the grabbing pipe is aligned with the centers of the two rollers and the pressing mechanism, the servo motor is mounted on the platform, and an output shaft of the servo motor is in transmission connection with the synchronous wheel.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic pipe processing, in particular to a plastic fluid hose cutting and fixed-length conveying mechanism. Background Art

[0002] Existing plastic fluid hoses need to be cut into equal lengths after production for easy transportation and packaging. Most of them need to be delivered in fixed lengths during cutting. In order to improve the precise control of the hose length, application number "CN202021828609.5" discloses a plastic hose cutting and fixed-length conveying mechanism; the device achieves stable transmission of the hose through the synchronous rotation of four delivery wheels, but the device conveys the hose through the friction between the four delivery wheels and the outer wall of the hose. At the same time, the hose is crushed by the delivery wheels, and the hose will be crushed and stretched, and when the hose slips between the delivery wheels, the delivery accuracy will be reduced. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a plastic fluid hose cutting and fixed-length conveying mechanism which can automatically cut and unload, avoid the plastic fluid hose from being crushed, stretched, deformed and slipped, and has high conveying accuracy.

[0004] The utility model discloses a plastic fluid hose cutting and fixed-length conveying mechanism, comprising a platform, two wheel frames and two rollers, the lower end surface of the platform is provided with a plurality of legs, the two wheel frames are vertically symmetrically mounted at one end of the platform, and the two rollers are arranged up and down and rotatably mounted on the two wheel frames; the utility model also comprises two synchronous wheels, a synchronous belt, a mounting plate, a gripping tube, a servo motor, a clamping mechanism and a cutting mechanism, the clamping mechanism and the cutting mechanism are mounted in the middle of the platform, the two synchronous wheels are respectively rotatably mounted on the platform through brackets, the two synchronous wheels are located at one end away from the wheel frames, the synchronous belt set is linked to the two synchronous wheels, the mounting plate is mounted on the synchronous belt, the gripping tube is mounted on the mounting plate, the gripping tube is aligned with the center of the two rollers and the gripping mechanism, the servo motor is mounted on the platform, and the output shaft of the servo motor is transmission-connected with the synchronous wheel; when working, the end of the plastic fluid hose passes through between the two rollers, and the plastic fluid hose The servo motor drives the two synchronous wheels and the synchronous belt to rotate through the clamping mechanism, so that the mounting plate drives the gripping tube to approach the clamping mechanism and pass into the port of the plastic fluid hose. The gripping tube expands and grabs the end of the plastic fluid hose. The servo motor reverses and drives the two synchronous wheels and the synchronous belt to reverse, so that the synchronous belt drives the gripping tube through the mounting plate to pull the plastic fluid hose out a fixed length of distance. The clamping mechanism acts to clamp the plastic fluid hose, and the cutting mechanism cuts the plastic fluid hose. After cutting, the servo motor drives the synchronous wheel to reverse again, so that the synchronous belt transfers the cut plastic fluid hose to the bottom of the synchronous belt through the mounting plate and the gripping tube, and places the cut plastic fluid hose to the next process, realizing automatic cutting and unloading, and conveying the plastic fluid hose without relying on the friction of the roller, avoiding the plastic fluid hose from being crushed, stretched, deformed and slipped, and improving the accuracy of transportation.

[0005] Preferably, it also includes nuts, air pipe joints and rubber airbags. The middle part of the gripping tube passes through the mounting plate, and two nuts are rotatably threaded on the gripping tube. The two nuts lock the gripping tube on the mounting plate. An air pipe joint is provided at one end of the gripping tube away from the wheel frame, and a rubber airbag is provided at one end of the gripping tube close to the wheel frame. The length of the gripping tube extending toward the clamping mechanism is adjusted by adjusting the two nuts, and the tube is connected to an external air supply system through the air pipe joint. The rubber airbag is inserted into the end of the plastic fluid hose. High-pressure air is input into the rubber airbag through the air pipe joint and the gripping tube, so that the rubber airbag expands, thereby allowing the rubber airbag to grip the end of the plastic fluid hose from the inside. When the gripping tube moves the cut plastic fluid hose to the bottom of the synchronous belt, the rubber airbag deflates and contracts to release the hose, thereby realizing automatic unloading, and the gripping is stable and practical.

[0006] Preferably, it also includes a trachea bracket, which is installed on the mounting plate, and the trachea bracket is on the same side as the trachea joint; the trachea bracket supports the high-pressure air pipe to avoid entanglement of the high-pressure air pipe and improve the stability of the device.

[0007] Preferably, it also includes a slide rail and two contact switches. The slide rail is installed on the platform, and the two contact switches are slidably installed on the slide rail. The two contact switches are arranged front and back, and the contact arms of the two contact switches extend above the synchronous belt and align with the mounting plate. When the synchronous belt drives the mounting plate to contact the contact arm of the contact switch close to the clamping mechanism, the servo motor stops. At this time, the rubber airbag is inserted into the end of the plastic fluid hose and grabs the two hoses. The servo motor reverses to pull out the end of the plastic fluid hose. When the mounting plate contacts the contact arm of the other contact switch, the servo motor stops. At this time, the clamping mechanism and the cutting mechanism are activated to clamp and cut the hose, and the two contact switches are moved along the slide rail, thereby changing the distance between the two contact switches, adjusting the fixed length of the hose, and improving the versatility of the equipment.

[0008] Preferably, the clamping mechanism includes two lower supporting blocks, two pressing blocks, multiple optical rails and multiple springs, the two lower supporting blocks are installed in the middle of the platform, a cutting notch is arranged between the two lower supporting blocks, the multiple optical rails are vertically installed on the platform, the two pressing blocks are respectively slidably installed on the multiple optical rails, the two pressing blocks are respectively located above the two lower supporting blocks, the two lower supporting blocks and the two pressing blocks are provided with relative clamping grooves, the multiple springs are respectively mounted on the multiple optical rails, the upper ends of the multiple springs are respectively connected to the two pressing blocks, the lower ends of the multiple springs are connected to the platform, and the two pressing blocks are transmission connected to the cutting mechanism; the elastic force of the multiple springs elastically supports the two pressing blocks, and when the plastic fluid hose is pulled out after the fixed length, the cutting mechanism compresses the two pressing blocks downward, so that the two pressing blocks slide downward along the multiple optical rails and are pressed on the two lower supporting blocks, so that the two lower supporting blocks and the two pressing blocks press the plastic fluid hose, the pressing stability is high, which is conducive to cutting and avoids skewed incisions.

[0009] Preferably, the cutting mechanism comprises a cylinder, a cutting knife and two springs 2, the fixed end of the cylinder is mounted on the platform through a bracket, the piston rod of the cylinder is vertically downward, the cutting knife is slidably inserted in the two lower supporting blocks and the two pressing blocks are provided with relative clamping grooves, the upper end of the cutting knife is connected to the piston rod of the cylinder, the two springs 2 are respectively mounted on the two pressing blocks, and the upper ends of the two springs 2 are connected to the piston rod of the cylinder; after the plastic fluid hose is stretched to a fixed length, the piston rod of the cylinder is extended, and the piston rod of the cylinder pushes the cutting knife and the two springs 2 to descend, and the two springs 2 press the two pressing blocks on the two lower supporting blocks to achieve stable pressing of the hose by the two pressing blocks and the two lower supporting blocks; when the two pressing blocks are pressed on the two lower supporting blocks, the cylinder continues to extend, at this time the two springs 2 are compressed, and the cutting knife cuts downward between the two lower supporting blocks, thereby achieving automatic pressing and cutting of the plastic fluid hose, which is highly practical.

[0010] Preferably, it also includes two sliders, the two wheel frames are provided with vertical slide grooves, sliders are installed in the two slide grooves, and the rotating shafts of the rollers located above are respectively connected to the two sliders; the two sliders are moved up and down along the slide grooves of the two wheel frames to change the distance between the two rollers, so that the device is suitable for plastic fluid hoses of different diameters and specifications, with high versatility.

[0011] Compared with the prior art, the utility model has the following beneficial effects: during operation, the end of the plastic fluid hose passes through between the two rollers, and the plastic fluid hose passes through the clamping mechanism, the servo motor drives the two synchronous wheels and the synchronous belt to rotate, so that the mounting plate drives the gripping tube to approach the clamping mechanism and pass into the port of the plastic fluid hose, the gripping tube expands and grips the end of the plastic fluid hose, the servo motor reverses and drives the two synchronous wheels and the synchronous belt to reverse, so that the synchronous belt drives the gripping tube through the mounting plate to pull the plastic fluid hose out a certain distance of fixed length, the clamping mechanism acts to clamp the plastic fluid hose, and the cutting mechanism cuts the plastic fluid hose, after the cutting is completed, the servo motor drives the synchronous wheel to reverse again, so that the synchronous belt transfers the cut plastic fluid hose to the bottom of the synchronous belt through the mounting plate and the gripping tube, and places the cut and cut plastic fluid hose to the next process, realizing automatic cutting and unloading, and conveying the plastic fluid hose without relying on the friction of the roller, avoiding the plastic fluid hose from being crushed, stretched, deformed and slipped, and improving the accuracy of conveying. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a schematic diagram of the axonometric structure of the utility model;

[0014] Figure 3 It is a front structural schematic diagram of the utility model;

[0015] Figure 4 It is an enlarged structural diagram of the synchronous wheel, synchronous belt, mounting plate, gripping tube and servo motor;

[0016] Markings in the attached drawings: 1. platform; 2. wheel frame; 3. roller; 4. synchronous wheel; 5. synchronous belt; 6. mounting plate; 7. gripping tube; 8. servo motor; 9. nut; 10. trachea joint; 11. rubber airbag; 12. trachea bracket; 13. slide rail; 14. contact switch; 15. lower support block; 16. pressure block; 17. optical rail; 18. spring; 19. cylinder; 20. cutting knife; 21. spring 2; 22 slider. DETAILED DESCRIPTION

[0017] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Example

[0018] like Figures 1 to 4As shown, a plastic fluid hose cutting and fixed-length conveying mechanism comprises a platform 1, two wheel frames 2 and two rollers 3. The lower end surface of the platform 1 is provided with a plurality of legs. The two wheel frames 2 are vertically symmetrically mounted at one end of the platform 1. The two rollers 3 are arranged up and down and rotatably mounted on the two wheel frames 2. The mechanism also comprises two synchronous wheels 4, a synchronous belt 5, a mounting plate 6, a gripping tube 7, a servo motor 8, a clamping mechanism and a cutting mechanism. The clamping mechanism and the cutting mechanism are mounted in the middle of the platform 1. The two synchronous wheels 4 are rotatably mounted on the platform 1 through brackets respectively. The two synchronous wheels 4 are located at one end away from the wheel frames 2. The synchronous belt 5 is set and linked to the two synchronous wheels 4. The mounting plate 6 is mounted on the synchronous On the belt 5, the gripping tube 7 is installed on the mounting plate 6, the gripping tube 7 is aligned with the center of the two rollers 3 and the clamping mechanism, the servo motor 8 is installed on the platform 1, and the output shaft of the servo motor 8 is connected to the synchronous wheel 4 in a transmission manner; it also includes a nut 9, an air pipe joint 10 and a rubber airbag 11, the middle part of the gripping tube 7 passes through the mounting plate 6, the two nuts 9 are rotatably screwed on the gripping tube 7, and the two nuts 9 lock the gripping tube 7 on the mounting plate 6, the end of the gripping tube 7 away from the wheel frame 2 is provided with an air pipe joint 10, and the end of the gripping tube 7 close to the wheel frame 2 is installed with a rubber airbag 11; it also includes a slide rail 13 and two contact switches 14, the slide rail 13 is installed on the platform 1, and the two contact switches 14 are installed. The switch 14 is slidably mounted on the slide rail 13, and the two contact switches 14 are arranged front and back. The contact arms of the two contact switches 14 extend above the synchronous belt 5 and align with the mounting plate 6. The clamping mechanism includes two lower support blocks 15, two pressure blocks 16, multiple optical rails 17 and multiple springs 18. The two lower support blocks 15 are mounted in the middle of the platform 1, and a cutting notch is provided between the two lower support blocks 15. The multiple optical rails 17 are vertically mounted on the platform 1. The two pressure blocks 16 are respectively slidably mounted on the multiple optical rails 17. The two pressure blocks 16 are respectively located above the two lower support blocks 15. The two lower support blocks 15 and the two pressure blocks 16 are provided with relative clamping grooves. The multiple springs 18 are respectively sleeved. Installed on multiple light rails 17, the upper ends of multiple springs 18 are respectively connected to two pressure blocks 16, the lower ends of multiple springs 18 are connected to the platform 1, and the two pressure blocks 16 are connected to the cutting mechanism in a transmission manner; the cutting mechanism includes a cylinder 19, a cutting knife 20 and two springs 21, the fixed end of the cylinder 19 is installed on the platform 1 through a bracket, the piston rod of the cylinder 19 is vertically downward, the cutting knife 20 is slidably inserted in the two lower supporting blocks 15 and the two pressure blocks 16 with relative clamping grooves, the upper end of the cutting knife 20 is connected to the piston rod of the cylinder 19, the two springs 21 are respectively installed on the two pressure blocks 16, and the upper ends of the two springs 21 are connected to the piston rod of the cylinder 19;

[0019] During operation, the length of the gripping tube 7 extending toward the clamping mechanism is adjusted by adjusting the two nuts 9, and the air supply system is connected to the external air supply system through the air pipe joint 10. The two contact switches 14 are moved along the slide rail 13, thereby changing the spacing between the two contact switches 14, adjusting the fixed length of the hose, and the end of the plastic fluid hose passes between the two rollers 3, and the plastic fluid hose passes between the two lower support blocks 15 and the two pressure blocks 16. The servo motor 8 drives the two synchronous wheels 4 and the synchronous belt 5 to rotate, so that the mounting plate 6 drives the gripping tube 7 to approach the two lower support blocks. 15 and the two pressing blocks 16 and pass through the port of the plastic fluid hose. When the synchronous belt 5 drives the mounting plate 6 to contact the contact arm of the contact switch 14 near the lower support block 15, the servo motor 8 stops. At this time, the rubber airbag 11 is inserted into the end of the plastic fluid hose and expands to grab the two hoses. The servo motor 8 reverses to drive the two synchronous wheels 4 and the synchronous belt 5 to reverse, so that the synchronous belt 5 drives the gripping tube 7 through the mounting plate 6 to pull the plastic fluid hose out for a fixed length. When the mounting plate 6 contacts the contact arm of another contact switch 14, , the servo motor 8 stops, the piston rod of the cylinder 19 extends, the piston rod of the cylinder 19 pushes the cutting knife 20 and the two springs 21 down, the two springs 21 press the two pressing blocks 16 on the two lower supporting blocks 15, so that the two pressing blocks 16 and the two lower supporting blocks 15 can be pressed stably on the hose. When the two pressing blocks 16 are pressed on the two lower supporting blocks 15, the cylinder 19 continues to extend, at this time the two springs 21 are compressed, and the cutting knife 20 cuts downward between the two lower supporting blocks 15, so that the plastic fluid hose can be automatically pressed and cut. The cutting mechanism cuts and truncates the plastic fluid hose. After the cutting is completed, the cylinder 19 contracts and resets, and the servo motor 8 drives the synchronous wheel 4 to reverse again, so that the synchronous belt 5 transfers the cut plastic fluid hose to the bottom of the synchronous belt 5 through the mounting plate 6 and the gripping tube 7, and the rubber airbag 11 deflates and contracts to place the cut plastic fluid hose to the next process, realizing automatic cutting and unloading, and conveying the plastic fluid hose without relying on the friction of the roller, avoiding the plastic fluid hose being crushed, stretched, deformed and slipped, and improving the accuracy of conveying.

[0020] like Figures 1 to 4As shown, the utility model is a plastic fluid hose cutting and fixed-length conveying mechanism. When it is working, first, the end of the plastic fluid hose passes between the two rollers 3, and the plastic fluid hose passes between the two lower support blocks 15 and the two pressing blocks 16, and then the servo motor 8 drives the two synchronous wheels 4 and the synchronous belt 5 to rotate until the mounting plate 6 contacts the contact arm of a contact switch 14, so that the mounting plate 6 drives the gripping tube 7 to approach the two lower support blocks 15 and the two pressing blocks 16 and the rubber airbag 11 passes into the port of the plastic fluid hose, the rubber airbag 11 expands to grab the end of the plastic fluid hose, and the servo motor 8 reverses to drive the two synchronous wheels 4 and the synchronous belt 5 to reverse until the mounting plate 6 contacts the contact arm of another contact switch 14, so that the synchronous belt 5 drives the gripping tube 7 through the mounting plate 6 to The plastic fluid hose is pulled out for a fixed distance, and then the piston rod of the cylinder 19 is extended, and the piston rod of the cylinder 19 pushes the cutting knife 20 and the two springs 21 to descend, and the two springs 21 press the two pressing blocks 16 onto the two lower supporting blocks 15, so as to achieve stable pressing of the hose by the two pressing blocks 16 and the two lower supporting blocks 15. When the two pressing blocks 16 are pressed onto the two lower supporting blocks 15, the cylinder 19 continues to extend, and at this time the two springs 21 are compressed, and the cutting knife 20 cuts downwards between the two lower supporting blocks 15. After the cutting is completed, the servo motor 8 drives the synchronous wheel 4 to reverse again, so that the synchronous belt 5 transfers the cut plastic fluid hose to the bottom of the synchronous belt 5 through the mounting plate 6 and the gripping tube 7, and finally the rubber airbag 11 contracts to place the cut plastic fluid hose to the next process.

[0021] The main functions achieved by this utility model are:

[0022] Capable of automatic cutting and blanking;

[0023] The plastic fluid hose is not transported by the friction of the roller, which avoids the plastic fluid hose from being crushed, stretched, deformed and slipped, thereby improving the accuracy of transportation.

[0024] The utility model discloses a plastic fluid hose cutting and fixed-length conveying mechanism. The roller 3, synchronous wheel 4, synchronous belt 5, servo motor 8, gripping tube 7, nut 9, air pipe joint 10, rubber airbag 11, contact switch 14, light rail 17, spring 18, cylinder 19, cutting knife 20 and spring 21 of the plastic fluid hose cutting and fixed-length conveying mechanism of the utility model are purchased on the market. The technicians in the industry only need to install and operate them according to the attached instruction manual, and the technicians in this field do not need to pay creative labor.

[0025] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A plastic fluid hose cutting and fixed-length conveying mechanism, comprising a platform (1), two wheel frames (2) and two rollers (3), wherein a plurality of legs are arranged on the lower end surface of the platform (1), the two wheel frames (2) are vertically symmetrically mounted on one end of the platform (1), and the two rollers (3) are arranged up and down and rotatably mounted on the two wheel frames (2); characterized in that: It also includes two synchronous wheels (4), a synchronous belt (5), a mounting plate (6), a gripping tube (7), a servo motor (8), a clamping mechanism and a cutting mechanism. The clamping mechanism and the cutting mechanism are mounted in the middle of the platform (1). The two synchronous wheels (4) are respectively mounted on the platform (1) by means of brackets. The two synchronous wheels (4) are located at one end away from the wheel frame (2). The synchronous belt (5) is connected to the two synchronous wheels (4). The mounting plate (6) is mounted on the synchronous belt (5). The gripping tube (7) is mounted on the mounting plate (6). The gripping tube (7) is aligned with the center of the two rollers (3) and the clamping mechanism. The servo motor (8) is mounted on the platform (1). The output shaft of the servo motor (8) is connected to the synchronous wheel (4) in a transmission manner.

2. A plastic fluid hose cutting to length conveying mechanism as claimed in claim 1, characterized in that: The invention also comprises a nut (9), an air pipe joint (10) and a rubber air bag (11); the middle part of the gripping tube (7) passes through the mounting plate (6); the two nuts (9) are rotatably screwed on the gripping tube (7); the two nuts (9) lock the gripping tube (7) on the mounting plate (6); the air pipe joint (10) is arranged at one end of the gripping tube (7) away from the wheel frame (2); and the rubber air bag (11) is arranged at one end of the gripping tube (7) close to the wheel frame (2).

3. A plastic fluid hose cutting to length conveying mechanism as claimed in claim 2, characterized in that: It also includes a trachea bracket (12), which is mounted on the mounting plate (6), and the trachea bracket (12) is on the same side as the trachea connector (10).

4. A plastic fluid hose cutting to length conveying mechanism as claimed in claim 1, characterized in that: It also includes a slide rail (13) and two contact switches (14), the slide rail (13) is mounted on the platform (1), the two contact switches (14) are slidably mounted on the slide rail (13), the two contact switches (14) are arranged front and back, and the contact arms of the two contact switches (14) extend above the synchronous belt (5) and are aligned and contacted with the mounting plate (6).

5. A plastic fluid hose cutting to length conveying mechanism as claimed in claim 1, characterized in that: The clamping mechanism comprises two lower supporting blocks (15), two pressing blocks (16), a plurality of optical rails (17) and a plurality of springs (18). The two lower supporting blocks (15) are mounted in the middle of the platform (1). A cutting notch is arranged between the two lower supporting blocks (15). The plurality of optical rails (17) are vertically mounted on the platform (1). The two pressing blocks (16) are respectively slidably mounted on the plurality of optical rails (17). The two pressing blocks (16) are respectively located above the two lower supporting blocks (15). The two lower supporting blocks (15) and the two pressing blocks (16) are respectively provided with relative clamping grooves. The plurality of springs (18) are respectively mounted on the plurality of optical rails (17). The upper ends of the plurality of springs (18) are respectively connected to the two pressing blocks (16). The lower ends of the plurality of springs (18) are all connected to the platform (1). The two pressing blocks (16) are transmission-connected to the cutting mechanism.

6. A plastic fluid hose cutting to length conveying mechanism as claimed in claim 5, characterized in that: The cutting mechanism comprises a cylinder (19), a cutting knife (20) and two springs (21). The fixed end of the cylinder (19) is mounted on the platform (1) via a bracket, the piston rod of the cylinder (19) is vertically downward, the cutting knife (20) is slidably inserted into two clamping grooves provided with opposite positions on two lower supporting blocks (15) and two pressing blocks (16), the upper end of the cutting knife (20) is connected to the piston rod of the cylinder (19), the two springs (21) are respectively mounted on the two pressing blocks (16), and the upper ends of the two springs (21) are connected to the piston rod of the cylinder (19).

7. A plastic fluid hose cutting to length conveying mechanism as claimed in claim 1, characterized in that: It also includes two sliders (22), the two wheel frames (2) are provided with vertical slide grooves, the two slide grooves are both equipped with sliders (22), and the rotating shafts of the rollers (3) located above are respectively connected to the two sliders (22).

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