CN222681714U - Plastic pipeline bidirectional extrusion die - Google Patents

Abstract

The utility model discloses a bidirectional extrusion die for a plastic pipe, and relates to the technical field of plastic pipe die. It comprises a bidirectional die connector, the bottom end of which contacts a switching mechanism, and the switching mechanism comprises a dividing plate, fixed tubes are respectively fixed on both sides of the dividing plate, and a threaded handle is clamped on the inner wall of the fixed tube. The utility model adds a first inner mold tube and a second inner mold tube by setting the switching mechanism. During the production process of the plastic pipe, when the inner wall diameter of the pipe needs to be changed, the thickness of the control tube can be changed by adjusting the first inner mold tube or the second inner mold tube, so as to change the inner wall diameter of the pipe, thereby improving the practicability and convenience of the device.

Description

Plastic pipeline bidirectional extrusion die

Technical Field

The utility model relates to the technical field of plastic pipeline dies, in particular to a plastic pipeline bidirectional extrusion die.

Background

In order to increase the rate of plastic pipe production when plastic pipes are produced, a bi-directional die is often required, and thus a bi-directional extrusion die for plastic pipes is required.

The patent publication No. CN218640288U discloses a two-way extrusion die for plastic pipelines, which is characterized in that a protection plate is fixed at one end of an outer die through mutual adsorption of an adsorption magnet I and an adsorption magnet II, and two ends of the die can be protected in the standing process of the die.

However, in the practical use process of the two-way extrusion die, because the diameters of the inner walls of the plastic pipelines are different, the device needs to replace the inner die when producing the plastic pipelines, the practicability of the device is reduced, the convenience of the device is also reduced, and the applicant provides the two-way extrusion die for the plastic pipelines.

Disclosure of utility model

The utility model aims to provide a plastic pipeline bidirectional extrusion die which is used for solving the problems in the background technology.

The technical scheme is that the plastic pipeline bidirectional extrusion die comprises a bidirectional die connecting piece, wherein the bottom end of the bidirectional die connecting piece is contacted with a switching mechanism, the switching mechanism comprises a material dividing plate, two sides of the material dividing plate are respectively fixed with a fixed pipe, the inner wall of the fixed pipe is in threaded joint with a threaded handle, the bottom of the handle of the threaded handle is contacted with an inner pipe, the outer wall of the inner pipe is fixed with a control pipe, the outer wall of the control pipe is contacted with a first inner die pipe, the outer wall of the first inner die pipe is contacted with a second inner die pipe, one side of the inner walls of the first inner die pipe and the second inner die pipe is respectively provided with a first chute, one side of two ends of the first chute is respectively provided with a first clamping groove, and the three clamping blocks are respectively clamped with adjacent first clamping grooves and are mutually connected with the adjacent first chutes in a sliding manner.

Preferably, the discharge end of the bidirectional die connecting piece is in threaded clamping connection with a connecting mechanism, the bottom of the switching mechanism is fixed with the bottom of the inner wall of the connecting mechanism, and the switching mechanism is positioned at the central position inside the connecting mechanism.

Preferably, the inner wall of one end of the first inner mold pipe and one end of the second inner mold pipe are fixed with isolation rings, the outer wall of the second inner mold pipe is contacted with an outer pipe, the two opposite ends of the outer pipe are respectively fixed with two sides of a distributing plate, one side of the inner wall of the outer pipe is provided with a second sliding groove, two sides of the two ends of the second sliding groove are respectively provided with a second clamping groove, and a clamping block on one side of the outer wall of the second inner mold pipe is mutually connected with the second sliding groove in a sliding mode and is mutually clamped with the second clamping groove.

Preferably, the length of the control tube is greater than the length of the outer tube, and the length of the inner tube is less than the length of the control tube and equal to the length of the threaded end of the threaded handle.

Preferably, the connecting mechanism comprises a shunt tube, two discharge ports of the shunt tube are respectively fixed with a connecting tube, the inner wall of the connecting tube is in threaded joint with a clamping tube, and one end of the clamping tube is fixed with an outer die.

Preferably, the diameters of the inner circles of the connecting pipe, the clamping pipe and the outer mold are all larger than the diameter of the outer circle of the outer pipe in the switching mechanism, and the sum of the lengths of the connecting pipe and the outer mold is equal to the length of the control pipe in the switching mechanism.

Compared with the prior art, the utility model has the beneficial effects that:

This two-way extrusion tooling of plastic conduit, through setting up switching mechanism, the inside has increased first centre form pipe and second centre form pipe, when carrying out production process to plastic conduit, the inner wall diameter of pipeline need change, can change the thickness of control pipe through the adjustment to first centre form pipe or second centre form pipe to this changes the inner wall diameter of pipeline, has improved the practicality of device, has also improved the convenience of device.

Simultaneously, in the shifter, also installed screw thread handle and inner tube, when adjusting the pipeline inner wall, can make screw thread handle and inner tube carry out the joint through rotating screw thread handle to make in pipeline production process, the control pipe can not change because of the extrusion of pipeline, improved the stability of device, also further improved the practicality of device, improved the convenience of device.

Drawings

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic view of the bottom structure of the present utility model;

FIG. 3 is a schematic diagram of a switching mechanism according to the present utility model;

FIG. 4 is an enlarged view of a portion A of FIG. 3;

FIG. 5 is an enlarged view of a portion B of FIG. 3;

Fig. 6 is a schematic structural view of the connecting mechanism of the present utility model.

The two-way die connecting piece comprises a two-way die connecting piece 1, a switching mechanism 2, a material separating plate 202, a fixed pipe 203, a threaded handle 204, an inner pipe 205, a control pipe 206, a first inner pipe 207, a second inner pipe 208, a first sliding groove 209, a first clamping groove 210, a clamping block 211, an isolation ring 212, an outer pipe 213, a second sliding groove 214, a second clamping groove 3, a connecting mechanism 301, a shunt pipe 302, a connecting pipe 303, a clamping pipe 304 and an outer die.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the plastic processing process, plastic is needed to be used for producing pipelines in many times, and when the plastic pipelines are produced, a bidirectional die is needed to be used for extrusion, so that a plastic pipeline bidirectional extrusion die is needed, most of traditional bidirectional extrusion dies are single in the actual use process, and when different pipelines are produced, the internal dies need to be replaced, so that the practicability of the device is reduced, and the applicant provides the plastic pipeline bidirectional extrusion die.

As shown in fig. 1 to 6, the present utility model provides a technical solution: the plastic pipeline bidirectional extrusion die comprises a bidirectional die connecting piece 1, a switching mechanism 2 is contacted with the bottom end of the bidirectional die connecting piece 1, the switching mechanism 2 comprises a distributing plate 201, two sides of the distributing plate 201 are respectively fixed with a fixed pipe 202, the inner wall of the fixed pipe 202 is in threaded joint with a threaded handle 203, the bottom of the handle of the threaded handle 203 is contacted with an inner pipe 204, the outer wall of the inner pipe 204 is fixed with a control pipe 205, the outer wall of the control pipe 205 is contacted with a first inner mold pipe 206, the outer wall of the first inner mold pipe 206 is contacted with a second inner mold pipe 207, one side of the inner walls of the first inner mold pipe 206 and the second inner mold pipe 207 is respectively provided with a first sliding groove 208, one side of two ends of the first sliding groove 208 is respectively provided with a first clamping groove 209, one side of the outer walls of the control pipe 205, the first inner mold pipe 206 and the second inner pipe 204 are respectively fixed with a clamping block 210, three clamping blocks 210 are respectively clamped with the adjacent first clamping grooves 209, and is connected with the adjacent first sliding groove 208 in a sliding manner, the discharge end of the bidirectional die connecting piece 1 is clamped with a connecting mechanism 3, the bottom of the switching mechanism 2 is fixed with the bottom of the inner wall of the connecting mechanism 3, the switching mechanism 2 is positioned at the central position inside the connecting mechanism 3, the inner walls of one end of the first inner die pipe 206 and one end of the second inner die pipe 207 are fixed with an isolating ring 211, the outer wall of the second inner die pipe 207 is contacted with an outer pipe 212, the opposite ends of the two outer pipes 212 are respectively fixed with two sides of the distributing plate 201, one side of the inner wall of the outer pipe 212 is provided with a second sliding groove 213, one side of the two ends of the second sliding groove 213 is respectively provided with a second clamping groove 214, a clamping block 210 on one side of the outer wall of the second inner die pipe 207 is connected with the second sliding groove 213 in a mutually clamping manner, the length of the control pipe 205 is larger than the length of the outer pipe 212, the length of the inner pipe 204 is smaller than the length of the control pipe 205, and is equal to the length of the threaded end of the threaded handle 203.

It should be noted that during the production of plastic pipe, when the diameter of the inner wall of the plastic pipe is changed, the threaded handle 203 is first turned to take out the threaded handle 203, then the control pipe 205 is pulled out, then the clamp 210 on the control pipe 205 is in a clamped connection with the first clamp 209 on the inner wall of the first inner pipe 206, so that the first inner pipe 206 is pulled out, and further, because the clamp 210 on the first inner pipe 206 is in a clamped connection with the first clamp 209 on the inner wall of the second inner pipe 207, the second inner pipe 207 is pulled out, but because the outer pipe 212 is fixed with the separating plate 201, the clamp 210 on the second inner pipe 207 is in a state of being in sliding connection with the second slide 213 on the inner wall of the outer pipe 212, when the first inner pipe 206 is needed, the clamp 210 on the control pipe 205 is rotated, the clamp 210 on the control pipe 205 is separated from the first clamp 209 on the inner wall of the first inner pipe 206, and the first slide 208 on the inner pipe 206 is connected with the first slide 208 on the inner pipe 206, the clamp 205 is pushed in sliding connection with the first slide 206 on the inner pipe 205 again, and then the clamp 206 is pushed in sliding connection with the second slide 206 on the inner pipe 206, because the length of the control tube 205 is equal to the sum of the lengths of the connecting tube 302 and the outer mold 304 in the connecting mechanism 3, and the inner ends of the control tube 205, the first inner mold tube 206 and the second inner mold tube 207 are all on the same longitudinal horizontal line, and the outer end of the first inner mold tube 206 is also on the same longitudinal horizontal line with the outlet end of the outer mold 304 in the connecting mechanism 3, then the second inner mold tube 207 is rotated, so that the clamping block 210 on the second inner mold tube 207 is clamped with the second clamping groove 214 on the inner wall of the outer tube 212, the threaded handle 203 is inserted into the control tube 205 and is clamped with the fixed tube 202 mutually, and finally, the bottom of the threaded handle 203 is clamped with the inner tube 204 mutually as the threaded handle 203 goes deep.

As shown in fig. 6, the utility model provides a technical scheme that the plastic pipeline bidirectional extrusion die comprises a connecting mechanism 3, wherein the connecting mechanism 3 comprises a shunt pipe 301, two discharge ports of the shunt pipe 301 are respectively fixed with a connecting pipe 302, the inner wall of the connecting pipe 302 is in threaded joint with a clamping pipe 303, one end of the clamping pipe 303 is fixed with an outer die 304, the diameters of the inner circles of the connecting pipe 302, the clamping pipe 303 and the outer die 304 are all larger than the diameter of the outer circle of the outer tube 212 in the switching mechanism 2, and the sum of the lengths of the connecting pipe 302 and the outer die 304 is equal to the length of the control tube 205 in the switching mechanism 2.

It should be noted that when cleaning or maintaining the device, only the outer mold 304 needs to be rotated to disengage the clamping tube 303 from the threaded engagement with the connecting tube 302, thereby completing the cleaning or maintenance operation.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and scope of the utility model as defined by the appended embodiments and equivalents thereof.

Claims (6)

1. A plastic pipeline bidirectional extrusion die comprises a bidirectional die connecting piece (1) and is characterized in that a switching mechanism (2) is contacted with the bottom end of the bidirectional die connecting piece (1), the switching mechanism (2) comprises a material dividing plate (201), two sides of the material dividing plate (201) are respectively fixed with a fixed pipe (202), a threaded handle (203) is clamped on the inner wall of the fixed pipe (202), an inner pipe (204) is contacted with the bottom of the handle of the threaded handle (203), a control pipe (205) is fixed on the outer wall of the inner pipe (204), a first inner pipe (206) is contacted with the outer wall of the control pipe (205), a second inner pipe (207) is contacted with the outer wall of the first inner pipe (206), first sliding grooves (208) are respectively formed in one side of the inner wall of the first inner pipe (206) and one side of the second inner pipe (207), first clamping grooves (209) are respectively formed in one side of two ends of the first sliding grooves (208), clamping blocks (210) are respectively fixed on one side of the outer wall of the first inner pipe (206) and one side of the outer wall of the second inner pipe (204), and three clamping blocks (210) are respectively connected with adjacent sliding grooves (209) in a sliding mode.

2. The plastic pipeline bidirectional extrusion die as set forth in claim 1, wherein the discharge end of the bidirectional die connecting piece (1) is in threaded clamping connection with a connecting mechanism (3), the bottom of the switching mechanism (2) is fixed with the bottom of the inner wall of the connecting mechanism (3), and the switching mechanism (2) is located at the center position inside the connecting mechanism (3).

3. The plastic pipeline bidirectional extrusion die as set forth in claim 2, wherein an isolation ring (211) is fixed on inner walls of one ends of the first inner die pipe (206) and the second inner die pipe (207), an outer pipe (212) is contacted with the outer wall of the second inner die pipe (207), opposite ends of the two outer pipes (212) are respectively fixed with two sides of the distributing plate (201), a second sliding groove (213) is formed in one side of the inner wall of the outer pipe (212), second clamping grooves (214) are respectively formed in one side of two ends of the second sliding groove (213), and clamping blocks (210) on one side of the outer wall of the second inner die pipe (207) are connected with the second sliding groove (213) in a sliding mode and are mutually clamped with the second clamping grooves (214).

4. A plastic pipe bidirectional extrusion die as set forth in claim 1, wherein the control pipe (205) has a length greater than that of the outer pipe (212), and the inner pipe (204) has a length smaller than that of the control pipe (205) and equal to that of the threaded end of the threaded handle (203).

5. The plastic pipeline bidirectional extrusion die as set forth in claim 3, wherein the connecting mechanism (3) comprises a shunt tube (301), two discharge ports of the shunt tube (301) are respectively fixed with a connecting tube (302), the inner wall of the connecting tube (302) is in threaded clamping connection with a clamping connection tube (303), and one end of the clamping connection tube (303) is fixed with an outer die (304).

6. The two-way extrusion die for plastic pipelines according to claim 5, wherein the diameters of the inner circles of the connecting pipe (302), the clamping pipe (303) and the outer die (304) are all larger than the diameter of the outer circle of the outer pipe (212) in the switching mechanism (2), and the sum of the lengths of the connecting pipe (302) and the outer die (304) is equal to the length of the control pipe (205) in the switching mechanism (2).