CN108943066B

CN108943066B - Precise full-automatic cutting equipment for Teflon tubes

Info

Publication number: CN108943066B
Application number: CN201810403179.3A
Authority: CN
Inventors: 李平
Original assignee: Dongtai High Tech Innovation Park Co Ltd
Current assignee: Dongtai High Tech Innovation Park Co Ltd
Priority date: 2017-03-21
Filing date: 2017-03-21
Publication date: 2021-08-20
Anticipated expiration: 2037-03-21
Also published as: CN108544544B; CN106945099B; CN108943066A; CN108544544A; CN106945099A

Abstract

The invention provides precise full-automatic cutting equipment for a Teflon pipe, which comprises a base, a cooling water tank, a conveying mechanism, a clamping mechanism, a cutting driving mechanism, a supporting frame, an output mechanism, a U-shaped pipe length compensation mechanism, a rack and a collecting box, wherein the cooling water tank is arranged on the base; u type teflon pipe passes cooling water tank and inserts conveying mechanism, and conveying mechanism carries fixed length teflon pipe to advance fixture and is held, and cutting actuating mechanism drive cutting mechanism cuts off the teflon pipe, and output mechanism output teflon pipe to collecting box, U type pipe length compensation mechanism drive base make progress or move compensation U type teflon pipe length downwards. The invention can effectively improve the length precision of the cut pipe, has good incision quality, and reduces or even eliminates the bending or flattening condition of the pipe.

Description

Precise full-automatic cutting equipment for Teflon tubes

The application is a divisional application, and the application number of the original application is as follows: 2017101686661, filing date: 2017-03-21, the name of invention creation is: a precise full-automatic cutting device and a method for a Teflon tube.

Technical Field

The invention relates to the technical field of industrial mechanical automation, in particular to precise full-automatic cutting equipment for a teflon pipe.

Background

In the operation is cut off to the teflon tubule, to a type tubular product, need cut the nozzle stub of multiple specific length usually, will guarantee tubular product length precision and incision quality and tubular product surface can not have the trace of bending or flattening, and the incision will level and smooth.

At present, for cutting a Teflon thin tube with a specific length, a roller is adopted for feeding materials, and then a blade is used for cutting the Teflon thin tube. Because the feeding is realized by pressing the thin tube through the roller, the contact surface is small, the pressure is manually adjusted and is not well controlled, the thin tube is hard and is easy to bend or flatten, or slips and deviates, the cutting length and precision are difficult to guarantee, the notch quality is poor, the oblique opening is easy to cut, the smaller the diameter of the thin tube is, the higher the feeding difficulty is, and the material waste caused by bending or flattening the thin tube is huge.

In view of the above, the present invention is particularly proposed.

Disclosure of Invention

Aiming at the prior art, the invention aims to provide the precise full-automatic cutting equipment for the Teflon tube, which can effectively improve the length precision of the tube, has good incision quality and reduces or even eliminates the bending or flattening condition of the tube.

In order to solve the technical problem, the invention provides precise full-automatic cutting equipment for a teflon pipe, which comprises a base, a cooling water tank, a conveying mechanism, a clamping mechanism, a cutting driving mechanism, a supporting frame, an output mechanism, a U-shaped pipe length compensation mechanism, a rack and a collecting box, wherein the supporting frame is provided with at least 2 supporting columns; the cooling water tank, the conveying mechanism, the clamping mechanism, the cutting driving mechanism and the output mechanism are respectively arranged on the base, the cutting mechanism is arranged on the cutting driving mechanism, the supporting frame is arranged on the rack, the base is connected with the supporting column in a sliding mode, an inlet of the output mechanism is communicated with an outlet of the clamping mechanism, the U-shaped pipe length compensation mechanism is arranged in the supporting frame and connected with the base, and the collecting box is placed in the rack; the U-shaped Teflon pipe penetrates through the cooling water tank and is inserted into the conveying mechanism, the conveying mechanism conveys the Teflon pipe with a fixed length into the clamping mechanism and is clamped, the cutting driving mechanism drives the cutting mechanism to cut off the Teflon pipe in the clamping mechanism, the output mechanism outputs the cut-off Teflon pipe into the collection box, and the U-shaped pipe length compensation mechanism drives the base to move upwards or downwards to compensate the length of the U-shaped Teflon pipe inserted into the cooling water tank; the cutting mechanism comprises a base plate, a cutting motor mounting plate, a first belt pulley, a second belt pulley, a first belt, a rotating shaft mounting seat and a cutting piece, wherein the rotating shaft is rotatably mounted on the rotating shaft mounting seat, the cutting motor mounting plate and the rotating shaft mounting seat are respectively mounted on the base plate, the cutting motor is mounted on the cutting motor mounting plate, the first belt pulley is mounted on an output shaft of the cutting motor, the second belt pulley is mounted at one end of the rotating shaft, the first belt pulley is in transmission connection with the first belt pulley and the second belt pulley, and the cutting piece is fixedly mounted on the rotating shaft.

The invention is further improved in that the conveying mechanism comprises a conveying motor, a conveying motor mounting plate, a driving wheel pipe conveying assembly and a driven wheel pipe conveying assembly, the conveying motor is mounted on the conveying motor mounting plate, the conveying motor mounting plate and the driving wheel pipe conveying assembly are respectively mounted on the base, the driven wheel pipe conveying assembly is mounted on the driving wheel pipe conveying assembly, and an output shaft of the conveying motor is in driving connection with the driving wheel pipe conveying assembly.

The invention is further improved in that the U-shaped tube length compensation mechanism comprises a compensation motor, a compensation motor mounting frame, a lead screw nut, a lead screw mounting frame and a lead screw nut mounting seat, wherein the compensation motor is mounted on the compensation motor mounting frame, the compensation motor mounting frame is mounted on a bottom plate of a supporting frame, the lead screw mounting frame is mounted below a top plate of the supporting frame, two ends of the lead screw are respectively rotatably connected with the compensation motor mounting frame and the lead screw mounting frame, the lead screw is fixedly connected with an output shaft of the compensation motor, the lead screw nut is mounted on the lead screw nut mounting seat, the lead screw nut mounting seat is fixedly connected with a base, and the lead screw is in transmission connection with the lead screw nut.

The invention is further improved in that the driving wheel pipe conveying assembly comprises a first synchronous wheel, a second synchronous wheel, a synchronous belt, a first driving wheel, a second driving wheel and a second belt, the automatic belt conveyor comprises a first pin shaft, a second pin shaft and a driving wheel mounting block, wherein the driving wheel mounting block is mounted on a base, the first pin shaft penetrates through the lower end of the driving wheel mounting block and is fixedly connected with an output shaft of a conveying motor, the second pin shaft penetrates through the upper end of the driving wheel mounting block and is rotatably connected with the upper end of the driving wheel mounting block, the first pin shaft is rotatably connected with the driving wheel mounting block, a first synchronizing wheel is mounted at one end of the first pin shaft, a second synchronizing wheel is mounted at one end of the second pin shaft, the synchronizing belt is in belt transmission connection with the first synchronizing wheel and the second synchronizing wheel, the first driving wheel is mounted at the other end of the first pin shaft, the second driving wheel is mounted at the other end of the second pin shaft, and a second belt is in belt transmission connection with the first pin shaft and the second pin shaft.

Compared with the prior art, the U-shaped Teflon pipe penetrates through the cooling water tank and is inserted into the conveying mechanism, the conveying mechanism conveys the Teflon pipe with fixed length into the clamping mechanism and is clamped, the cutting driving mechanism drives the cutting mechanism to cut off the Teflon pipe in the clamping mechanism, the output mechanism outputs the cut-off Teflon pipe into the collection box, and the U-shaped pipe length compensation mechanism drives the base to move upwards or downwards to compensate the length of the U-shaped Teflon pipe before being inserted into the cooling water tank. The invention can effectively improve the length precision of the cut pipe, has good incision quality, and reduces or even eliminates the bending or flattening condition of the pipe.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a perspective view of a combination of a base, a cooling water tank, a conveying mechanism, a clamping mechanism, a cutting driving mechanism and an output mechanism according to a first embodiment of the present invention;

FIG. 3 is a perspective view of a combination of a support frame and a U-shaped pipe length compensation mechanism according to a first embodiment of the present invention;

FIG. 4 is a perspective expanded view of FIG. 2 with the base and output mechanism removed;

FIG. 5 is a perspective view of a conveyor motor, a conveyor motor mounting plate, and a driving tube conveying assembly according to a first embodiment of the present invention;

FIG. 6 is a perspective expanded view of a driven roller tube assembly according to a first embodiment of the present invention;

FIG. 7 is a perspective view of a gripper mechanism and an output mechanism according to a first embodiment of the present invention;

FIG. 8 is a perspective expanded view of FIG. 7;

FIG. 9 is a perspective view of a cutting mechanism according to a first embodiment of the present invention;

fig. 10 is a perspective view of a clamping mechanism according to a second embodiment of the present invention;

FIG. 11 is a perspective expanded view of FIG. 10;

FIG. 12 is a block diagram of a precise full-automatic cutting method for Teflon tubes.

The names of the components in the figure are as follows:

1-a base;

2-a cooling water tank;

3, a conveying mechanism;

31-a conveying motor;

32-conveying motor mounting plate;

33-driving the tube conveying assembly;

3301 — first synchronizing wheel;

3302 — second synchronizing wheel;

3303-synchronous belt;

3304 — first drive wheel;

3305 — second drive wheel;

3306 — second belt;

3307 — first pin;

3308 — second pin;

3309 — driving wheel mounting block;

3310-third driven wheel;

3311 — first tensioning wheel;

34-a driven wheel tube-in-tube assembly;

341-first driven wheel;

342-a second driven wheel;

343-third belt;

344 — driven wheel mounting block;

345 — a fourth driven wheel;

346 — second tensioning wheel;

4, a clamping mechanism;

41-finger cylinder;

42-finger cylinder mounting seat;

43-a clamping plate;

431-circular arc groove;

432-a gap;

44-a main clamping block;

45-auxiliary clamping block;

46-a main clamping mounting block;

5, a cutting mechanism;

51, a backing plate;

52-a cutting motor;

53-cutting the motor mounting plate;

54 — a first pulley;

55-a second pulley;

56 — a first belt;

57-a rotating shaft;

58-rotating shaft mounting base;

59-cutting the slices;

6-a cutting driving mechanism;

61-linear motor;

62-linear motor mounting plate;

63-a slide block;

64-a guide rail;

7-a support frame;

71-a support column;

72-a top plate;

73-a base plate;

8, an output mechanism;

81-casing;

82, receiving a material pipe;

83-material receiving pipe support frame;

84-telescopic pipes;

9-U-shaped pipe length compensation mechanism;

91-a compensation motor;

92-compensating motor mounting;

93-a screw rod;

94-screw nut;

95-lead screw mounting rack;

96-lead screw nut mounting base;

10, a frame;

20, a collecting box;

30-a teflon tube;

40-a teflon pipe turntable;

50-pipe plate rack.

Detailed Description

The invention is further described with reference to the following description and embodiments in conjunction with the accompanying drawings.

The invention relates to a precise full-automatic cutting device for a Teflon pipe, which has the following implementation mode:

as shown in fig. 1, a precise full-automatic cutting device for teflon pipes comprises a base 1, a cooling water tank 2, a conveying mechanism 3, a clamping mechanism 4, a cutting mechanism 5, a cutting driving mechanism 6, a supporting frame 7, an output mechanism 8, a U-shaped pipe length compensating mechanism 9, a frame 10 and a collecting box 20, wherein the supporting frame 7 is provided with at least 2 supporting columns 71; the cooling water tank 2, the conveying mechanism 3, the clamping mechanism 4, the cutting driving mechanism 6 and the output mechanism 8 are respectively and fixedly arranged on the base 1, the cutting mechanism 5 is fixedly arranged on the cutting driving mechanism 6, the supporting frame 7 is fixedly arranged on the rack 10, the base 1 is in sliding connection with the supporting column 71, an inlet of the output mechanism 8 is communicated with an outlet of the clamping mechanism 4, the U-shaped pipe length compensation mechanism 9 is fixedly arranged in the supporting frame 7 and is fixedly connected with the base 1, and the collecting box 20 is placed in the rack 10; the U-shaped Teflon pipe 30 penetrates through the cooling water tank 2 and is inserted into the conveying mechanism 3, the conveying mechanism 3 conveys the Teflon pipe 30 with the fixed length into the clamping mechanism 4 and is clamped, the cutting driving mechanism 6 drives the cutting mechanism 5 to cut off the Teflon pipe 30 in the clamping mechanism 4, the output mechanism 8 outputs the cut-off Teflon pipe 30 to the collection box 20, and the U-shaped pipe length compensating mechanism 9 drives the base 1 to move upwards or downwards to compensate the length of the U-shaped Teflon pipe 30 inserted into the cooling water tank 2.

Specifically, as shown in fig. 2, 4, 5, and 6, the cooling water tank 2 is fixedly installed on the base 1, and the cooling water tank 2 can lower the temperature of the teflon tube 30, so that the teflon tube 30 becomes harder. The conveying mechanism 3 comprises a conveying motor 31, a conveying motor mounting plate 32, a driving wheel pipe conveying assembly 33 and a driven wheel pipe conveying assembly 34, the conveying motor 31 is fixedly mounted on the conveying motor mounting plate 32, the conveying motor mounting plate 32 and the driving wheel pipe conveying assembly 33 are respectively and fixedly mounted on the base 1, the driven wheel pipe conveying assembly 34 is fixedly mounted on the driving wheel pipe conveying assembly 33, an output shaft of the conveying motor 31 is in driving connection with the driving wheel pipe conveying assembly 33, and the conveying motor 31 adopts a servo motor. The driving wheel pipe conveying assembly 33 comprises a first synchronizing wheel 3301, a second synchronizing wheel 3302, a synchronizing belt 3303, a first driving wheel 3304, a second driving wheel 3305, 2 second belts 3306, a first pin 3307, a second pin 3308, a driving wheel mounting block 3309, the driving wheel mounting block 3309 is fixedly installed on the base 1, the first pin 3307 passes through the lower end of the driving wheel mounting block 3309 and is fixedly connected with the output shaft of the conveying motor 31, the second pin 3308 passes through the upper end of the driving wheel mounting block 3309 and is rotatably connected therewith, the first pin 3307 is rotatably connected with the driving wheel mounting block 3309, the first synchronizing wheel 3301 is fixedly installed at one end of the first pin 3307, the second synchronizing wheel 3302 is fixedly installed at one end of the second pin 3308, the synchronizing belt 3303 is in belt transmission connection with the first synchronizing wheel 3301 and the second synchronizing wheel 3302, the first driving wheel 3304 is fixedly installed at the other end of the first pin 3307, the second driving wheel 3305 is fixedly installed at the other end of the second pin 3308, the second belt 3306 is in belt transmission connection with the first pin 3307 and the second pin 3308. The capstan tube assembly 33 further comprises 4 third driven wheels 3310, a

first tensioning wheel

3311, 4 third driven wheels 3310 rotatably mounted in a line on the outer side of the capstan mounting block 3309, a first tensioning wheel 3311 rotatably mounted on the inner side of the capstan mounting block 3309, and a first tensioning wheel 3311 for tensioning 2 second belts 3306. The driven wheel pipe-feeding assembly 34 comprises a first driven wheel 341, a second driven

wheel

342, 2 third belts 343 and a driven wheel mounting block 344, wherein the driven wheel mounting block 344 is fixedly mounted on the base 1, the first driven wheel 341 is rotatably mounted at the lower end of the driven wheel mounting block 344, the second driven wheel 342 is rotatably mounted at the upper end of the driven wheel mounting block 344, and the third belts 343 are in belt transmission connection with the first driven wheel 341 and the second driven wheel 342. The driven wheel pipe-feeding assembly 34 further comprises 4 fourth driven wheels 345 and a second tensioning wheel 346, wherein the 4 fourth driven wheels 345 are arranged in a straight line and rotatably mounted on the inner side edge close to the driven wheel mounting block 344, the second tensioning wheel 346 is rotatably mounted on the outer side edge close to the driven wheel mounting block 344, and the second tensioning wheel 346 is used for tensioning 2 third belts 343. The second belt 3306 and the third belt 343 are both circular belts made of rubber. The distance between the driving wheel mounting block 3309 and the driven wheel mounting block 344 is adjusted, so that the space enclosed by the 2 second belts 3306 and the 2 third belts 343 can just elastically accommodate the lower teflon tube 30, and the teflon tube 30 is clamped by the 2 second belts 3306 and the 2 third belts 343 in 4 directions of the outer circle, and the clamping mode can reduce or even eliminate the condition that the tube is bent or flattened.

Specifically, as shown in fig. 2, 4, 7, and 8, the clamping mechanism 4 includes a finger cylinder 41, a finger cylinder mount 42, and a clamping plate 43; the front surface of the clamping plate 43 is provided with an arc-shaped groove 431 for clamping the Teflon tube 30, the arc-shaped groove 431 is designed according to the pipe diameter of the Teflon tube 30, and a soft material (such as rubber and the like) is arranged in the arc-shaped groove 431 for clamping the Teflon tube 30 so as not to deform; the side surface of the clamping plate 43 is provided with notches 432 for cutting, and the notches 432 are designed according to the length of the cut teflon tube 30, and can be uniformly designed in a plurality, and the first embodiment of the invention is designed in 12; the finger cylinder 41 is fixedly mounted on the finger cylinder mounting seat 42, the finger cylinder mounting seat 42 is fixedly mounted on the base 1, and the clamping plate 43 is fixedly mounted on two fingers of the finger cylinder 41. The front surfaces of the two clamping plates 43 are provided with the arc-shaped grooves 431, soft materials are arranged in the arc-shaped grooves 431 to clamp the Teflon tubes 30, and the Teflon tubes 30 are stressed in the outer circumferential direction, so that the Teflon tubes 30 can be firmly clamped without being deformed, the condition that the tubes are bent or flattened can be eliminated by the clamping mode, and the clamping is reliable and firm.

Specifically, as shown in fig. 2, 4 and 9, the cutting mechanism 5 includes a backing plate 51, a cutting motor 52, a cutting motor mounting plate 53, a first belt pulley 54, a second belt pulley 55, a first belt 56, a rotating

shaft

57, 2 rotating shaft mounting seats 58 and a plurality of cutting blades 59, wherein the number of the cutting blades 59 is 12 according to the number of the cutting at one time; two ends of a rotating shaft 57 are respectively rotatably mounted on 2 rotating shaft mounting seats 58, the cutting motor mounting plate 53 and the rotating shaft mounting seats 58 are respectively and fixedly mounted on the backing plate 51, the cutting motor 52 is fixedly mounted on the cutting motor mounting plate 53, the first belt pulley 54 is fixedly mounted on an output shaft of the cutting motor 52, the second belt pulley 55 is fixedly mounted at one end of the rotating shaft 57, the first belt 56 is in belt transmission connection with the first belt pulley 54 and the second belt pulley 55, and 12 cutting pieces 59 are uniformly and fixedly mounted on the rotating shaft 57. The cutting motor 52 is a speed-adjustable motor. The rotary cutting blade 59 vertically cuts the teflon tube 30 clamped by the two clamping plates 43, so that the cut is flat and good in quality.

Specifically, as shown in fig. 4, the cutting driving mechanism 6 includes a linear motor 61, a linear

motor mounting plate

62, 4 sliding

blocks

63, and 2 guide rails 64, the linear motor 61 is fixedly mounted on the linear motor mounting plate 62, the linear motor mounting plate 62 and the 2 guide rails 64 are respectively fixedly mounted on the base 1, the 4 sliding blocks 63 are respectively fixedly mounted on the backing plate 51, the backing plate 51 is fixedly connected with an output shaft of the linear motor 61, and the 4 sliding blocks 63 are respectively slidably connected with the 2 guide rails 64. The linear motor 61 is a through type stepping linear motor.

Specifically, as shown in fig. 3, the supporting frame 7 includes 4 supporting columns 71, a top plate 72 and a bottom plate 73, the top plate 72 is fixedly mounted on the 4 supporting columns 71, the 4 supporting columns 71 are fixedly mounted on the bottom plate 73, and the bottom plate 73 is fixedly mounted on the rack 10.

Specifically, as shown in fig. 2, 7 and 8, the output mechanism 8 includes a sleeve 81, a material receiving pipe 82, a material receiving pipe support frame 83 and an extension pipe 84, the sleeve 81 is fixedly mounted on the finger cylinder mounting seat 42, the material receiving pipe support frame 83 is fixedly mounted on the base 1, the sleeve 81, the material receiving pipe 82 and the extension pipe 84 are sequentially communicated, one end of the sleeve 81 is communicated with an outlet of the clamping plate 43, the other end of the sleeve 81 is communicated with the material receiving pipe 82, and the material receiving pipe 82 is communicated with the extension pipe 84. In order to make the cut teflon tube 30 enter the collection box 20 more smoothly, a vacuum pump can be added at the tail end of the extension tube 84 to form negative pressure in the extension tube 84 to suck the cut teflon tube 30.

Specifically, as shown in fig. 3, the U-shaped tube length compensation mechanism 9 includes a compensation motor 91, a compensation motor mounting bracket 92, a lead screw 93, a lead screw nut 94, a lead screw mounting bracket 95, a lead screw nut mounting seat 96, the compensation motor 91 is fixedly mounted on the compensation motor mounting bracket 92, the compensation motor mounting bracket 92 is fixedly mounted on the bottom plate 73 of the supporting frame 7, the lead screw mounting bracket 95 is fixedly mounted under the top plate 72 of the supporting frame 7, two ends of the lead screw 93 are respectively connected with the compensation motor mounting bracket 92 and the lead screw mounting bracket 95 in a rotating manner, the lead screw 93 is fixedly connected with an output shaft of the compensation motor 91, the lead screw nut 94 is fixedly mounted on the lead screw nut mounting seat 96, the lead screw nut mounting seat 96 is fixedly connected with the base 1, and the lead screw 93 is in a screw transmission connection with the lead screw nut 94. The compensation motor 91 is a servo motor. The length of the hanging U-shaped pipe is longer and the diameter of the pipe is smaller, and in order to keep the diameter of the pipe constant, a U-shaped pipe length compensation mechanism 9 is adopted to compensate the length of the hanging U-shaped pipe.

The invention relates to a precise full-automatic cutting device for a Teflon tube, which has the following implementation mode:

as shown in fig. 10 and 11, the second embodiment is substantially the same as the first embodiment, except that the clamping mechanism 4 is different, the clamping mechanism 4 of the second embodiment includes a main clamping block 44, a plurality of auxiliary clamping blocks 45 are arranged on the front surface of the main clamping block 44, circular arc-shaped grooves 431 for clamping the teflon tubes 30 are arranged on the front surfaces of the main clamping block 44 and the auxiliary clamping blocks 45, notches 432 for cutting are arranged on the side surfaces of the main clamping block 44, the auxiliary clamping blocks 45 and the notches 432 are designed according to the length of the cut teflon tubes 30, the number of the auxiliary clamping blocks 45 and the notches 432 can be uniformly designed, and the second embodiment of the invention is designed to be 12; the main clamping block 44 is fixedly mounted on the base 1 by a main clamping mounting block 46.

The invention also comprises a control system which is used for controlling the work of the conveying motor 31, the finger cylinder 41, the cutting motor 52, the linear motor 61 and the compensation motor 91.

As shown in fig. 12, the invention also provides a precise full-automatic cutting method for the teflon tube, which comprises the following steps:

A. preparing: placing the Teflon tube turntable 40 on the tube tray frame 50, and then pulling the Teflon tube 30 out of the Teflon tube turntable 40 to naturally hang down to form a U shape;

B. inserting: then the head of the U-shaped Teflon pipe 30 passes through the cooling water tank 2 and is inserted into the conveying mechanism 3;

C. compensation: the U-shaped pipe length compensation mechanism 9 works to drive the base 1 to move upwards or downwards so that the length of the U-shaped Teflon pipe 30 reaches a set length;

D. conveying, clamping and outputting: the conveying mechanism 3 works to convey the Teflon tubes 30 with fixed lengths into the clamping mechanism 4 and is clamped, and meanwhile, the external equipment drives the Teflon tube rotary table 40 to rotate and output the Teflon tubes 30 with the same length downwards;

E. rotating: the cutting mechanism 5 works and rotates;

F. cutting and returning: the cutting driving mechanism 6 works to drive the cutting mechanism 5 to move forwards until the clamping mechanism 4 cuts off the Teflon tube 30 and returns;

G. loosening: the clamping mechanism 4 works to loosen the clamped Teflon pipe 30;

H. and (3) conveying, ejecting, outputting and clamping again: the conveying mechanism 3 works again to convey the Teflon tubes 30 with fixed lengths into the clamping mechanism 4, the upward conveyed Teflon tubes 30 push the cut Teflon tubes 30 upward to enter the output mechanism 8, meanwhile, the external equipment drives the Teflon tube rotary table 40 to rotate to output the Teflon tubes 30 with the same length downward, and the clamping mechanism 4 works again to clamp the Teflon tubes 30;

I. collecting: the output mechanism 8 outputs the cut teflon tube 30 into the collection box 20;

and F, returning to the step F, and repeating the cutting.

Specifically, step b. interspersing: the head of the U-shaped teflon tube 30 is inserted between the second belt 3306 and the third belt 343 through the cooling water tank 2 and clamped.

Specifically, step c. compensation: the compensation motor 91 drives the base 1 to move up or down through the screw transmission, so that the length of the U-shaped Teflon tube 30 reaches a set length.

Specifically, step D includes the following substeps:

D1. the conveying motor 31 drives the second belt 3306 to rotate through belt transmission;

D2. the second belt 3306 drives the third belt 343 to convey the fixed length teflon tube 30 upward together through the teflon tube 30 into the two clamping plates 43;

D3. the finger cylinder 41 works to drive the two clamping plates 43 to clamp the Teflon tube 30;

d4 the external device drives the teflon tube turntable 40 to rotate and output the teflon tube 30 with the same length downwards.

Specifically, step e. rotate: the cutting motor 52 drives the rotating shaft 57 to rotate through belt transmission, and the rotating shaft 57 drives the cutting blade 59 to rotate together.

Specifically, step F includes the following substeps:

F1. the linear motor 61 drives the rotating cutting blade 59 to move forwards through the slide block guide rail to the notch 432 to cut off the Teflon tube 30;

F2. after cutting, the linear motor 61 carries the rotating cutting blade 59 to return.

Specifically, step g. unclamp: the finger cylinder 41 is operated and returned to drive the two clamping plates 43 to release the Teflon pipe 30.

Specifically, step H includes the following substeps:

H1. the conveying motor 31 works again to drive the second belt 3306 to rotate through belt transmission;

H2. the second belt 3306 drives the third belt 343 to convey the fixed length teflon tube 30 upward together through the teflon tube 30 into the two clamping plates 43;

H3. the upward conveyed teflon tube 30 pushes the cut teflon tube 30 upward to enter the material receiving pipe 82;

h4, driving the Teflon tube turntable 40 to rotate by external equipment to output Teflon tubes 30 with the same length downwards;

H5. the finger cylinder 41 is operated again to drive the two clamping plates 43 to clamp the Teflon tube 30.

Specifically, step i. collection: the cut teflon tube 30 in the material receiving tube 82 falls into the collecting box 20 through the telescopic tube 84 under the action of gravity; or the cut teflon pipe 30 in the material receiving pipe 82 falls into the collection box 20 through the telescopic pipe 84 under the action of the negative pressure suction of the vacuum pump.

The invention relates to a precise full-automatic cutting device for a Teflon tube, which has the working principle that: placing the rotary table 40 of the Teflon tube 30 on the tube plate rack 50, and then pulling the Teflon tube 30 out of the rotary table 40 of the Teflon tube to naturally hang down to form a U shape; the head of the U-shaped teflon tube 30 is inserted between the second belt 3306 and the third belt 343 through the cooling water tank 2 and clamped; the compensation motor 91 works to drive the screw rod 93 to rotate, the screw rod 93 drives the screw rod nut 94 to move upwards or downwards, and the screw rod nut 94 drives the base 1 to move upwards or downwards through the screw rod nut mounting seat 96, so that the length of the U-shaped Teflon tube 30 reaches a set length; the conveying motor 31 rotates to drive the first synchronizing wheel 3301 and the first driving wheel 3304 to rotate simultaneously, the first synchronizing wheel 3301 drives the second synchronizing wheel 3302 to rotate together through the synchronizing belt 3303, the second synchronizing wheel 3302 drives the second driving wheel 3305 to rotate together, so that the first driving wheel 3304 and the second driving wheel 3305 rotate simultaneously to drive 2 second belts 3306 to move upwards simultaneously, the 2 second belts 3306 drive 2 third belts 343 to convey the teflon tubes 30 clamped therein upwards together through friction force to enter the two clamping plates 43, the conveying length is fixed, the finger cylinder 41 operates to drive the two clamping plates 43 to clamp the teflon tubes 30, and meanwhile, the external equipment drives the teflon tube turntable 40 to rotate to output the teflon tubes 30 with the same length downwards; the cutting motor 52 works and rotates to drive the first belt pulley 54 to rotate, the first belt pulley 54 drives the second belt pulley 55 to rotate through the first belt 56, and the second belt pulley 55 drives the plurality of cutting blades 59 to rotate together through the rotating shaft 57; when the linear motor 61 works, the backing plate 51 drives the plurality of rotary cutting blades 59 to move forwards along the guide rail 64 to the gap 432 to cut off the Teflon tube 30, and after the cutting is finished, the linear motor 61 works again to drive the rotary cutting blades 59 to return together; the finger cylinder 41 works and returns to drive the two clamping plates 43 to loosen the Teflon pipe 30; the conveying motor 31 operates again to rotate and drive the first synchronous wheel 3301 and the first driving wheel 3304 to rotate simultaneously, the first synchronous wheel 3301 drives the second synchronous wheel 3302 to rotate together through the synchronous belt 3303, the second synchronous wheel 3302 drives the second driving wheel 3305 to rotate together, so that the first driving wheel 3304 and the second driving wheel 3305 simultaneously rotate and drive the 2 second belts 3306 to move upwards, the 2 second belts 3306 drive the 2 third belts 343 to convey the teflon tube 30 clamped therein upwards together into the two clamping plates 43 by friction force, the conveying length is fixed, the upward conveyed teflon tube 30 pushes the cut teflon tube 30 upward to enter the material receiving tube 82, the finger cylinder 41 works again to drive the two clamping plates 43 to clamp the teflon tube 30, meanwhile, the external equipment drives the Teflon tube turntable 40 to rotate to output the Teflon tubes 30 with the same length downwards; the cut-off Teflon tube 30 in the material receiving pipe 82 falls into the collecting box 20 through the telescopic pipe 84 under the action of gravity, or the cut-off Teflon tube 30 in the material receiving pipe 82 falls into the collecting box 20 through the telescopic pipe 84 under the action of negative pressure suction of the vacuum pump.

The invention has the advantages that the U-shaped Teflon tube 30 is inserted into the conveying mechanism 3 through the cooling water tank 2, the conveying mechanism 3 conveys the Teflon tube 30 with fixed length into the clamping mechanism 4 and is clamped, the cutting driving mechanism 6 drives the cutting mechanism 5 to cut off the Teflon tube 30 in the clamping mechanism 4, the output mechanism 8 outputs the cut Teflon tube 30 into the collecting box 20, and the U-shaped tube length compensating mechanism 9 drives the base 1 to move upwards or downwards for compensating the length of the U-shaped Teflon tube 30 before being inserted into the cooling water tank 2. The invention also provides a precise full-automatic cutting method of the Teflon tube, which comprises the following steps: A. preparing; B. inserting; C. compensation; D. conveying, clamping and outputting; E. rotating; F. cutting and returning; G. loosening; H. then conveying, ejecting, outputting and clamping; I. and F, returning to the step F, and repeating the cutting. The invention can effectively improve the length precision of the cut pipe, has good incision quality, and reduces or even eliminates the bending or flattening condition of the pipe.

Compared with the prior art, the invention has the beneficial effects that:

1. the Teflon tube 30 is clamped by 4 circular belts on the outer circle in four directions to be conveyed upwards, and because the circular belts made of rubber are stressed in the four directions and are soft, the Teflon tube 30 cannot deform, bend or flatten, and the clamping mode can reduce or even eliminate the condition that the tube is bent or flattened;

2. the front surfaces of the two clamping plates 43 are provided with the arc-shaped grooves 431, soft materials are arranged in the arc-shaped grooves 431 to clamp the Teflon tube 30, and the Teflon tube 30 is stressed in the outer circumferential direction, so that the clamping can be firm without deforming the Teflon tube 30, the condition that the tube is bent or flattened can be eliminated by the clamping mode, and the clamping is reliable and firm;

3. the rotary cutting piece 59 vertically cuts the Teflon tube 30 clamped by the two clamping plates 43, and when the cutting mode is adopted, the transverse pulling force cannot be generated on the Teflon tube 30, so that the cut is smooth, and the cut quality is good.

The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims

1. The utility model provides a full-automatic precision cutting equipment of teflon pipe which characterized in that: the device comprises a base (1), a cooling water tank (2), a conveying mechanism (3), a clamping mechanism (4), a cutting mechanism (5), a cutting driving mechanism (6), a supporting frame (7), an output mechanism (8), a U-shaped pipe length compensation mechanism (9), a rack (10) and a collecting box (20), wherein the supporting frame (7) is provided with at least 2 supporting columns (71); the cooling water tank (2), the conveying mechanism (3), the clamping mechanism (4), the cutting driving mechanism (6) and the output mechanism (8) are respectively installed on the base (1), the cutting mechanism (5) is installed on the cutting driving mechanism (6), the supporting frame (7) is installed on the rack (10), the base (1) is in sliding connection with the supporting column (71), an inlet of the output mechanism (8) is communicated with an outlet of the clamping mechanism (4), the U-shaped pipe length compensating mechanism (9) is installed in the supporting frame (7) and connected with the base (1), and the collecting box (20) is placed in the rack (10); the U-shaped Teflon pipe (30) penetrates through the cooling water tank (2) and is inserted into the conveying mechanism (3), the conveying mechanism (3) conveys the Teflon pipe (30) with fixed length into the clamping mechanism (4) and is clamped, the cutting driving mechanism (6) drives the cutting mechanism (5) to cut off the Teflon pipe (30) in the clamping mechanism (4), the output mechanism (8) outputs the cut-off Teflon pipe (30) into the collecting box (20), and the U-shaped pipe length compensating mechanism (9) drives the base (1) to move upwards or downwards to compensate the length of the U-shaped Teflon pipe (30) before being inserted into the cooling water tank (2); the cutting mechanism (5) comprises a backing plate (51), a cutting motor (52), a cutting motor mounting plate (53), a first belt pulley (54), a second belt pulley (55), a first belt (56), a rotating shaft (57), a rotating shaft mounting seat (58) and a cutting blade (59), the rotating shaft (57) is rotatably arranged on the rotating shaft mounting seat (58), the cutting motor mounting plate (53) and the rotating shaft mounting seat (58) are respectively arranged on the backing plate (51), the cutting motor (52) is arranged on the cutting motor mounting plate (53), the first belt pulley (54) is arranged on the output shaft of the cutting motor (52), the second belt pulley (55) is installed at one end of the rotating shaft (57), the first belt (56) is in belt transmission connection with the first belt pulley (54) and the second belt pulley (55), and the cutting blade (59) is fixedly installed on the rotating shaft (57).

2. The precise full-automatic cutting equipment for the teflon pipes as claimed in claim 1, wherein: conveying mechanism (3) send tub subassembly (33), driven wheel to send tub subassembly (34) including conveying motor (31), conveying motor mounting panel (32), action wheel, conveying motor mounting panel (31) are installed on conveying motor mounting panel (32), action wheel send tub subassembly (33) to install respectively on base (1), driven wheel send tub subassembly (34) to install on action wheel send tub subassembly (33), conveying motor (31) output shaft and action wheel send tub subassembly (33) drive to be connected.

3. The precise full-automatic cutting equipment for the teflon pipes as claimed in claim 1, wherein: the U-shaped pipe length compensation mechanism (9) comprises a compensation motor (91), a compensation motor mounting rack (92), a screw rod (93), a screw rod nut (94), a screw rod mounting rack (95) and a screw rod nut mounting seat (96), the compensation motor (91) is arranged on a compensation motor mounting frame (92), the compensation motor mounting frame (92) is arranged on a bottom plate (73) of the supporting frame (7), the screw rod mounting rack (95) is arranged below the top plate (72) of the supporting frame (7), two ends of the screw rod (93) are respectively and rotatably connected with the compensation motor mounting rack (92) and the screw rod mounting rack (95), the screw rod (93) is fixedly connected with an output shaft of the compensation motor (91), the screw rod nut (94) is arranged on a screw rod nut mounting seat (96), the lead screw nut mounting seat (96) is fixedly connected with the base (1), and the lead screw (93) is in transmission connection with the lead screw nut (94).

4. The precise full-automatic cutting equipment for the teflon pipes as claimed in claim 2, wherein: drive wheel send pipe subassembly (33) including first synchronizing wheel (3301), second synchronizing wheel (3302), hold-in range (3303), first drive wheel (3304), second drive wheel (3305), second belt (3306), first round pin axle (3307), second round pin axle (3308), drive wheel installation piece (3309) is installed on base (1), first round pin axle (3307) pass drive wheel installation piece (3309) lower extreme and with delivery motor (31) output shaft fixed connection, second round pin axle (3308) pass drive wheel installation piece (3309) upper end and rotate with it and be connected, first round pin axle (3307) rotate with drive wheel installation piece (3309) and be connected, first synchronizing wheel (3301) are installed in the one end of first round pin axle (3307), the one end in second round pin axle (3308) is installed to second synchronizing wheel (3302), hold-in range (3303) and first synchronizing wheel (3301), Second synchronizing wheel (3302) belt drive is connected, first action wheel (3304) are installed in the other end of first round pin axle (3307), the other end in second round pin axle (3308) is installed in second action wheel (3305), second belt (3306) are connected with first round pin axle (3307), second round pin axle (3308) belt drive.