1. An oval tube introducer, characterized in that: the pipe inserting device comprises a fixing plate (1) and two groups of pipe inserting devices (2), each pipe inserting device (2) comprises a connecting plate (21) and a clamping jaw guide rod (22), the connecting plate (21) and a pipe inserting part (22) are designed in an integrated mode, clamping jaw mounting holes (4) are symmetrically formed in the fixing plate (1), a positioning shaft (5) is fixedly mounted in the middle of each clamping jaw mounting hole (4), the connecting plate (21) is mounted in the clamping jaw mounting holes (4), the positioning shaft (5) penetrates through the connecting plate (21) and is rotatably connected with the connecting plate (21) through a bearing (6), a limiting shaft (7) is fixedly mounted at the eccentric position of each clamping jaw mounting hole (4), a limiting groove (8) is formed in the edge of the connecting plate (21), and the limiting shaft (7) is matched with the limiting groove (8);

the clamping jaw is characterized in that the clamping jaw (9) is fixedly connected to the inner surface of the clamping jaw guide rod (22), a roller (11) is rotatably connected to the end portion of the clamping jaw guide rod (22) through a roller shaft (10), and the roller (11) is matched with the end portion of the clamping jaw (9).

2. An oval tube introducer according to claim 1, wherein: the middle of fixed plate (1) below is provided with spring housing installation piece (12), and two sets of spring housings (13) are installed to spring housing installation piece (12) interior symmetry, the one end of equal fixed connection spring (14) in spring housing (13), the other end of spring (14) offsets with the lower surface of two connecting plates (21) respectively.

3. An oval tube introducer according to claim 2, wherein: and a tail fixing block (15) is fixedly arranged on the lower surface of the spring sleeve mounting block (12) through a bolt.

4. An oval tube introducer according to claim 1, wherein: the side surface of the end part of the clamping jaw (9) is in a cambered surface structure, and an inclined angle is arranged at the outer edge position of the end part of the clamping jaw (9).

5. An oval tube introducer according to claim 1, wherein: the fixing plate (1) comprises an outer side fixing plate (16) and an inner side fixing plate (17), wherein the outer side fixing plate (16) covers the outer portions of the two connecting plates (21) and is fixedly connected with the inner side fixing plate (17) through bolts.

6. An oval tube introducer according to claim 1, wherein: clamping grooves are formed in the side surfaces of the two ends of the limiting shaft (7) and the side surfaces of the two ends of the roller shaft (10), E-shaped clamping springs (18) are fixedly mounted in the clamping grooves, the E-shaped clamping springs (18) at the two ends of the limiting shaft (7) are respectively contacted with the two side surfaces of the connecting plate (21), and the E-shaped clamping springs (18) at the two ends of the roller shaft (10) are respectively contacted with the outer side surfaces of the end parts of the clamping jaws (9).

Background

With the rapid development of modern science and technology, plastic pipes are gradually popularized in daily life, the production yield of the plastic pipes is increased, the styles of the plastic pipes are various, and the plastic pipes are circular pipes and elliptical pipes.

For many existing devices for manufacturing oval tubes on the market at present, the existing tube inserting mechanism is complex in structure, the tube inserting mechanism is very difficult to disassemble once being damaged during tube production, the tube inserting mechanism is not easy to install after being disassembled, unnecessary loss is caused to workers and production, the devices need to be stopped once being damaged, the tube inserting device is replaced by manual operation, the devices need to be restarted after being replaced, time is needed when the devices are stopped, the tube inserting device needs to be replaced manually, the devices need to be restarted, uncertainty of the running state of the devices is increased, troubles are brought to production, the production efficiency of the devices is low, the speed is low, the production cost is high, and the benefit is low.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the oval tube intubator which overcomes the defects of the prior art and is reasonable in design, when the PID recovery device starts to work, the connecting plate is in rotating connection with the surface of the positioning shaft, so that the two groups of intubatton devices can be driven to rotate and open at proper angles through the rotation of the connecting plate, the distance between the two groups of intubatton devices can be changed, and the size of the diameter of the oval tube can be adapted.

In order to achieve the purpose, the invention is realized by the following technical scheme:

an elliptical tube intubator comprises a fixing plate and two groups of intubation devices, wherein each intubation device comprises a connecting plate and a clamping jaw guide rod, the connecting plate and an intubation portion are designed in an integrated mode, clamping jaw mounting holes are symmetrically formed in the fixing plate, a positioning shaft is fixedly mounted in the middles of the clamping jaw mounting holes, the connecting plate is mounted in the clamping jaw mounting holes, the positioning shaft penetrates through the connecting plate and is rotatably connected with the connecting plate through a bearing, a limiting shaft is fixedly mounted at the eccentric position of each clamping jaw mounting hole, a limiting groove is formed in the edge of the connecting plate, and the limiting shaft is matched with the limiting groove; the clamping jaw clamping device is characterized in that the clamping jaw is fixedly connected to the inner surface of the clamping jaw guide rod, the end part of the clamping jaw guide rod is rotatably connected with a roller wheel through a roller wheel shaft, and the roller wheel is matched with the end part of the clamping jaw.

Preferably, a spring sleeve mounting block is arranged in the middle of the lower portion of the fixing plate, two groups of spring sleeves are symmetrically mounted in the spring sleeve mounting block, one ends of springs are fixedly connected in the spring sleeves, and the other ends of the springs are respectively abutted to the lower surfaces of the two connecting plates.

Preferably, the lower surface of the spring sleeve mounting block is fixedly provided with a tail fixing block through a bolt.

Preferably, the jaw end side surface is provided as a cambered surface structure.

Preferably, the fixing plate comprises an outer fixing plate and an inner fixing plate, the outer fixing plate covers the outer parts of the two connecting plates and is fixedly connected with the inner fixing plate through bolts.

Preferably, clamping grooves are formed in the side surfaces of the two ends of the limiting shaft and the side surfaces of the two ends of the roller shaft, E-shaped clamp springs are fixedly mounted in the clamping grooves, the E-shaped clamp springs at the two ends of the limiting shaft are respectively contacted with the two side surfaces of the connecting plate, and the E-shaped clamp springs at the two ends of the roller shaft are respectively contacted with the outer side surfaces of the end portions of the clamping jaws.

The invention provides an oval tube intubator. The method has the following beneficial effects: the connecting plate is rotatably connected to the surface of the positioning shaft, so that the two groups of pipe inserting devices can be driven to rotate by an appropriate angle through the rotation of the connecting plate, the distance between the two groups of pipe inserting devices can be changed, the size of the pipe diameter of the elliptical pipe can be adapted, the application range is wider, and the pipe with the diameter of 16mm-60mm can be processed. The flexible insertion of the clamping jaw into the hose is ensured by the guiding effect of the inclination angle of the outer edge position of the end part of the clamping jaw.

Drawings

In order to more clearly illustrate the present invention or the prior art solutions, the drawings that are needed in the description of the prior art will be briefly described below.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the outer fixing plate of the present invention after being opened;

FIG. 3 is a schematic cross-sectional view of the present invention;

the reference numbers in the figures illustrate:

1. a fixing plate; 2. an intubation device; 21. a connecting plate; 22. a jaw guide bar; 4. a clamping jaw mounting hole; 5. positioning the shaft; 6. a bearing; 7. a limiting shaft; 8. a limiting groove; 9. a clamping jaw; 10. a roller shaft; 11. a roller; 12. a spring housing mounting block; 13. a spring housing; 14. a spring; 15. a tail fixing block; 16. an outer fixing plate; 17. an inner fixing plate; 18. and E-shaped clamp springs.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings.

In the first embodiment, as shown in fig. 1-3, an oval tube intubation device includes a fixed plate 1 and two sets of intubation devices 2, each intubation device 2 includes a connecting plate 21 and a clamping jaw guide bar 22, the connecting plate 21 and the intubation portion 22 are designed as an integral structure, clamping jaw mounting holes 4 are symmetrically formed in the fixed plate 1, a positioning shaft 5 is fixedly mounted in the middle of each clamping jaw mounting hole 4, the connecting plate 21 is mounted in each clamping jaw mounting hole 4, the positioning shaft 5 penetrates through the connecting plate 21 and is rotatably connected with the connecting plate 21 through a bearing 6, a limiting shaft 7 is fixedly mounted at an eccentric position of each clamping jaw mounting hole 4, a limiting groove 8 is formed in the edge of the connecting plate 21, and the limiting shaft 7 is matched with the limiting groove 8;

the clamping jaw 9 is fixedly connected to the inner surface of the clamping jaw guide rod 22, the end portion of the clamping jaw guide rod 22 is rotatably connected with a roller 11 through a roller shaft 10, and the roller 11 is matched with the end portion of the clamping jaw 9.

The working principle is as follows:

when the pipe inserting device works, the clamping jaw 9 is inserted into the hose firstly, the hose is clamped between the outer surface of the clamping jaw 9 and the roller 11, the hose can also be protected through the roller 11, the hose is driven to move to a deformation station by moving the fixing plate 1 so as to change the pipe diameter of the hose, and the connecting plate 21 is used for rotationally connecting the surface of the positioning shaft 5, so that the two groups of pipe inserting devices 2 can be driven to rotate to open at a proper angle by rotating the connecting plate 21, the distance between the two groups of pipe inserting devices 2 can be changed so as to adapt to the pipe diameter of an elliptical pipe, the application range is wider, and pipes with the diameter of 16mm-60mm can be processed; in this application, through setting up spacing groove 8 and spacing axle 7 to inject the turned angle of intubation device 2, in order to prevent that its angular rotation from too big causing the damage.

In the second embodiment, as a further scheme of the first embodiment, a spring housing mounting block 12 is arranged in the middle below the fixing plate 1, two sets of spring housings 13 are symmetrically mounted in the spring housing mounting block 12, one ends of springs 14 are fixedly connected in the spring housings 13, and the other ends of the springs 14 respectively abut against the lower surfaces of two connecting plates 21. The lower surface of the spring housing mounting block 12 is fixedly provided with a tail fixing block 15 through bolts. The spring 14 can apply a resilient force to the connecting plate 21, so that when the cannula device is not in use, the two sets of cannula devices 2 can be rotated and retracted to the initial minimum angle state by the resilient force of the spring 14. Through afterbody fixed block 15 in order to play the fixed action to spring housing 13, when needs dismouting, demolish afterbody fixed block 15, can take out spring housing 13 and spring 14 from spring housing installation piece 12, convenient and fast to reduce the equipment maintenance degree of difficulty, make things convenient for the workman to operate.

In a third embodiment, as a further scheme of the first embodiment, the side surface of the end part of the clamping jaw 9 is provided with a cambered surface structure. And the outer edge position of the end part of the clamping jaw 9 is provided with an inclination angle. Therefore, when the clamping jaw 9 is inserted into the hose, the clamping jaw 9 can be flexibly inserted into the hose through the guiding effect of the inclination angle of the outer edge position of the end part of the clamping jaw 9, and the outer surface of the clamping jaw 9 is attached to the hose through the cambered surface structure and is matched with the roller 11 for clamping.

In a fourth embodiment, as a further scheme of the first embodiment, the fixing plate 1 includes an outer fixing plate 16 and an inner fixing plate 17, and the outer fixing plate 16 covers the outer portions of the two connecting plates 21 and is fixedly connected to the inner fixing plate 17 by bolts. Therefore, when maintenance is needed, the outer fixing plate 16 can be directly detached from the inner fixing plate 17, and maintenance work can be carried out on parts in the clamping jaw mounting holes 4, so that the difficulty in equipment maintenance is reduced, and the operation of workers is facilitated.

In the fifth embodiment, as a further scheme of the first embodiment, clamping grooves are formed in side surfaces of two ends of the limiting shaft 7 and side surfaces of two ends of the roller shaft 10, the E-shaped clamp springs 18 are fixedly mounted in the clamping grooves, the E-shaped clamp springs 18 at two ends of the limiting shaft 7 are respectively in contact with two side surfaces of the connecting plate 21, so that the position of the connecting plate 21 can be limited, and the E-shaped clamp springs 18 at two ends of the roller shaft 10 are respectively in contact with outer side surfaces of the end portions of the clamping jaws 9. Thereby being capable of limiting and fixing the position of the roller shaft 10.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.