CN215589857U

CN215589857U - High density polyethylene pipe demoulding mechanism

Info

Publication number: CN215589857U
Application number: CN202121734332.4U
Authority: CN
Inventors: 张晓龙
Original assignee: Lu'an City Shunda Plastic Co ltd
Current assignee: Lu'an City Shunda Plastic Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-01-21
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses a high-density polyethylene pipe demoulding mechanism, which relates to the technical field of moulds and comprises an extrusion frame, a lower template, a vibration motor, a jet hole, a jet disc, a first spring, a rubber bag, a central pipe, a screwed pipe, a hollow shaft, a first gear, a nut, a second gear and an output motor, wherein the lower template is fixed at the bottom of the extrusion frame, an operation cylinder is installed at the top of the extrusion frame, one end of a pipeline can be subjected to air inlet through air inlet of the jet disc and air exhaust of the jet hole, filling and shaping inside the pipeline can be realized, meanwhile, the output motor operates to drive the second gear to rotate, the first gear drives the nut to rotate, the screwed pipe can retreat under the reaction force, the jet disc can be pulled to slide in the pipeline in the process of retreating, and the inner wall can be shaped, after the pipeline demoulding, the shape is stable, and the pipeline quality is ensured.

Description

High density polyethylene pipe demoulding mechanism

Technical Field

The utility model relates to the technical field of molds, in particular to a demolding mechanism for a high-density polyethylene pipe.

Background

In the current municipal pipe market of China, plastic pipes are steadily developed, PE pipes, PP-R pipes and UPVC pipes all occupy a place, wherein the strong development momentum of the PE pipes is most remarkable;

when polyethylene pipe extrusion molding, the pipeline is difficult for moulding, and at the in-process of loosing core, the form of pipeline inner wall can not maintain, and easy pressurized deformation when loosing core the drawing of patterns, can not maintain the form of pipeline, and when moulding, moulding mould can not separate with pipeline inside and outside wall, can produce the adhesion, and the drawing of patterns is not smooth.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a demoulding mechanism for a high-density polyethylene pipe, which solves the technical problems that the shape of the inner wall of a pipeline cannot be maintained, the pipeline is easy to deform under pressure in the core pulling process, and the shape of the pipeline cannot be maintained in the core pulling and demoulding process.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a high-density polyethylene pipe demoulding mechanism comprises an extrusion molding frame, a lower template, an extrusion molding head, an operation air cylinder, an upper template, a forming plate, a movable spring, a vibrating rod, a supporting frame, a movable air cylinder, a vibrating motor, a jet hole, a jet disc, a first spring, a rubber bag, a central pipe, a threaded pipe, a hollow shaft, a first gear, a nut, a second gear and an output motor, wherein the bottom of the extrusion molding frame is fixed with the lower template, the operation air cylinder is installed at the top of the extrusion molding frame, the upper template is installed at the end part of an action rod of the operation air cylinder, the extrusion molding head is installed at the middle part of the extrusion molding frame, the top layer of the lower template and the bottom side of the upper template are respectively provided with a forming plate, the forming plate is respectively arranged in the mounting grooves, the vibrating rod is respectively arranged on the forming plate, rod holes are arranged in the mounting grooves, the vibrating rod is matched and inserted in the rod holes, the vibrating rod is sleeved with the movable spring, the movable spring is arranged on the groove walls of the forming plate and the mounting groove, the vibration motor is mounted on the groove wall of the mounting groove, the cam is mounted on the rotating shaft of the vibration motor, and the surface of the circumferential surface forming plate of the cam is tangent.

As a further scheme of the utility model: two the shaping board longitudinal symmetry sets up, the central axis of shaping board and the central axis of extrusion molding head are on the collinear.

As a further scheme of the utility model: the utility model discloses a jet flow device, including support frame, screwed pipe, jet flow dish, rubber bag, movable cylinder, support frame, bearing cooperation installation axial hole, the port department of axial hole is installed through the bearing cooperation to the bottom side of lower bolster, the support frame is installed to movable cylinder's effect end, be provided with the axial hole on the support frame, the hollow shaft passes through the port department of bearing cooperation installation axial hole, the cover is equipped with first gear on the hollow shaft, the nut has been welded to the one end of hollow shaft, the screwed pipe is installed to the inside fit of nut, the one end of screwed pipe is connected with the center tube, the one end of center tube is fixed with the jet flow dish, the jet flow dish is hollow structure, the jet flow hole has been seted up on one side quotation of jet flow dish, the outside cover of center tube is equipped with the rubber bag, install first spring on the inner wall of rubber bag and the periphery of center tube.

As a further scheme of the utility model: the support frame is provided with an output motor, a rotating shaft of the output motor is provided with a second gear, and the second gear is meshed with the first gear.

As a further scheme of the utility model: the central tube is communicated with the threaded tube, the central tube is communicated with the rubber bag, and the central axis of the jet disc and the central axis of the extrusion molding head are on the same straight line.

As a further scheme of the utility model: and the air cylinder is arranged on the support frame and is communicated with the threaded pipe through a guide pipe.

The utility model has the beneficial effects that:

according to the utility model, air is supplied to one end of the pipeline through the jet disc and exhausted through the jet holes, so that the filling and shaping of the interior of the pipeline can be realized, meanwhile, the motor is output to operate, the second gear is driven to rotate, the rotation of the first gear is realized, the first gear drives the nut to rotate, the threaded pipe can retreat under the reaction force, the jet disc can be pulled to slide in the pipeline in the retreating process, the inner wall can be tidied and shaped, the stable shape of the pipeline after demoulding can be ensured, and the quality of the pipeline can be ensured;

in drawing of patterns in-process, behind extrusion molding head extrusion molding, can realize the design to the pipeline through upper and lower both sides profiled sheeting, through vibrating motor operation, can produce the vibration to the profiled sheeting, at the high-frequency vibration in-process, realization pipeline that can be better and profiled sheeting separation, at the oscillation in-process of low-amplitude high frequency, the separation of pipeline outer wall and mould of can being convenient for guarantees the form of pipeline simultaneously, and demoulding effect is better.

Drawings

FIG. 1 is an overall three-dimensional structure view of a demolding mechanism for a high-density polyethylene tube according to the present invention;

FIG. 2 is a sectional view of the demolding mechanism for high density polyethylene tube according to the present invention;

FIG. 3 is a view showing the structure of the area A in FIG. 2 in the whole of the demolding mechanism for a high-density polyethylene tube according to the present invention;

FIG. 4 is a view showing the structure of the area B in FIG. 2 in the whole of the demolding mechanism for a high-density polyethylene tube in accordance with the present invention;

illustration of the drawings:

1. extruding a plastic frame; 2. a lower template; 3. an extrusion molding head; 4. an operating cylinder; 5. mounting a template; 6. forming a plate; 7. a movable spring; 8. a vibrating rod; 9. a support frame; 10. a movable cylinder; 11. a vibration motor; 12. a jet hole; 13. a jet disk; 14. a first spring; 15. a rubber bladder; 16. a central tube; 17. a threaded pipe; 18. a hollow shaft; 19. a first gear; 20. a nut; 21. a second gear; 22. and outputting the motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Specific examples are given below.

Referring to fig. 1 to 4, a high-density polyethylene pipe demoulding mechanism comprises an extrusion frame 1, a lower template 2, an extrusion head 3, an operation cylinder 4, an upper template 5, a forming plate 6, a movable spring 7, a vibrating rod 8, a support frame 9, a movable cylinder 10, a vibrating motor 11, a jet hole 12, a jet disc 13, a first spring 14, a rubber bag 15, a central pipe 16, a threaded pipe 17, a hollow shaft 18, a first gear 19, a nut 20, a second gear 21 and an output motor 22, wherein the lower template 2 is fixed at the bottom of the extrusion frame 1, the operation cylinder 4 is installed at the top of the extrusion frame 1, the upper template 5 is installed at the end of an action rod of the operation cylinder 4, the extrusion head 3 is installed at the middle of the extrusion frame 1, mounting grooves are respectively formed in the top layer of the lower template 2 and the bottom side of the upper template 5, the forming plates 6 are respectively arranged in the mounting grooves, the vibrating rods 8 are respectively arranged on the forming plates 6, a rod hole is formed in the mounting groove, the vibrating rod 8 is inserted into the rod hole in a matched mode, the vibrating rod 8 is sleeved with a movable spring 7, the movable spring 7 is arranged on the groove walls of the forming plate 6 and the mounting groove, a vibrating motor 11 is mounted on the groove wall of the mounting groove, a cam is mounted on a rotating shaft of the vibrating motor 11, the surface of the circumferential surface forming plate 6 of the cam is tangent, the two forming plates 6 are arranged in an up-and-down symmetrical mode, the central axis of the forming plate 6 and the central axis of the extrusion head 3 are on the same straight line, the vibrating motor 11 operates and can vibrate the forming plate 6, in the high-frequency vibration process, the separation of a pipeline and the forming plate 6 can be better achieved, in the low-amplitude high-frequency vibration process, the separation of the outer wall of the pipeline and a mold can be facilitated, meanwhile, the shape of the pipeline is guaranteed, and the demolding effect is better;

a movable cylinder 10 is arranged at the bottom side of the lower template 2, a support frame 9 is arranged at the action end of the movable cylinder 10, a shaft center hole is arranged on the support frame 9, a port of the shaft center hole is arranged on a hollow shaft 18 in a matching way through a bearing, a first gear 19 is sleeved on the hollow shaft 18, a nut 20 is welded at one end of the hollow shaft 18, a threaded pipe 17 is arranged in the nut 20 in a matching way, one end of the threaded pipe 17 is connected with a central pipe 16, a jet disc 13 is fixed at one end of the central pipe 16, the jet disc 13 is of a hollow structure, a jet hole 12 is arranged on the disc surface at one side of the jet disc 13, a rubber bag 15 is sleeved at the outer side of the central pipe 16, a first spring 14 is arranged on the inner wall of the rubber bag 15 and the circumferential surface of the central pipe 16, an output motor 22 is arranged on the support frame 9, a second gear 21 is arranged on the rotating shaft of the output motor 22, and the second gear 21 is meshed with the first gear 19, center tube 16 and screwed pipe 17 intercommunication, center tube 16 and rubber bag 15 intercommunication, the central axis of efflux dish 13 is on the collinear with the central axis of extrusion molding head 3, install the cylinder on the support frame 9, the cylinder passes through the pipe intercommunication with screwed pipe 17, admit air through efflux dish 13, exhaust through jet hole 12, can realize admitting air to pipeline one end, can realize moulding to the inside packing of pipeline, and simultaneously, output motor 22 operation, it is rotatory to drive second gear 21, realize the rotation of first gear 19, first gear 19 drives nut 20 rotatory, screwed pipe 17 is under the reaction force, can realize retreating of screwed pipe 17, at the in-process that retreats, can pull efflux dish 13 and slide in the pipeline, can arrange in order moulding to the inner wall, can guarantee behind the pipeline drawing of patterns, the form is stable, guarantee the pipeline quality.

The working principle is as follows: the lower template 2 and the upper template 5 are symmetrically arranged on one side of the extrusion molding frame 1 from top to bottom, the lower template 2 and the upper template 5 are respectively arranged at the port of the extrusion molding head 3, after the extrusion molding head 3 is subjected to extrusion molding, the pipeline can be shaped through the upper and lower forming plates 6, the threaded pipe 17 can be fed through the air cylinder during discharging, the air can be fed into the rubber bag 15 during air feeding through the jet flow disc 13 and exhausted through the jet flow hole 12, the air can be fed into one end of the pipeline, the filling and shaping inside the pipeline can be realized, meanwhile, the output motor 22 operates to drive the second gear 21 to rotate, the rotation of the first gear 19 is realized, the first gear 19 drives the nut 20 to rotate, the threaded pipe 17 can retreat the threaded pipe 17 under the reactive force, the jet flow disc 13 can be pulled to slide in the pipeline during the retreating process, can arrange in order the moulding to the inner wall, can guarantee pipeline drawing of patterns after, the form is stable, guarantees the pipeline quality, and at drawing of patterns in-process, vibrating motor 11 operation can produce the vibration to profiled sheeting 6, and at the high-frequency vibration in-process, realization pipeline that can be better separates with profiled sheeting 6, and at the oscillation in-process of low amplitude high frequency, the separation of pipeline outer wall and mould of can being convenient for guarantees the form of pipeline simultaneously, and demoulding effect is better.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The high-density polyethylene pipe demoulding mechanism is characterized by comprising an extrusion frame (1), a lower template (2), an extrusion head (3), an operation cylinder (4), an upper template (5), a forming plate (6), a movable spring (7), a vibrating rod (8), a support frame (9), a movable cylinder (10), a vibrating motor (11), a jet hole (12), a jet disc (13), a first spring (14), a rubber bag (15), a central pipe (16), a threaded pipe (17), a hollow shaft (18), a first gear (19), a nut (20), a second gear (21) and an output motor (22), wherein the lower template (2) is fixed at the bottom of the extrusion frame (1), the operation cylinder (4) is installed at the top of the extrusion frame (1), the upper template (5) is installed at the end part of an action rod of the operation cylinder (4), and the extrusion head (3) is installed at the middle part of the extrusion frame (1), the mounting groove has been seted up respectively to the bottom side of the top layer of lower bolster (2) and cope match-plate pattern (5), is provided with forming plate (6) in the mounting groove respectively, be provided with vibrating arm (8) on forming plate (6) respectively, seted up the pole hole in the mounting groove, vibrating arm (8) cooperation interlude is downthehole at the pole, the cover is equipped with activity spring (7) on vibrating arm (8), activity spring (7) set up on the cell wall of forming plate (6) and mounting groove, install vibrating motor (11) on the cell wall of mounting groove, install the cam in the pivot of vibrating motor (11), the periphery of cam becomes the surface of forming plate (6) tangent.

2. The demolding mechanism for high-density polyethylene tubes according to claim 1, wherein the two molding plates (6) are arranged in an up-down symmetrical manner, and the central axes of the molding plates (6) and the central axis of the extrusion head (3) are in the same straight line.

3. The high-density polyethylene pipe demoulding mechanism according to claim 1, wherein a movable cylinder (10) is installed at the bottom side of the lower template (2), a supporting frame (9) is installed at the acting end of the movable cylinder (10), a shaft center hole is formed in the supporting frame (9), a port of the shaft center hole is installed through the matching of a bearing on the hollow shaft (18), a first gear (19) is sleeved on the hollow shaft (18), a nut (20) is welded at one end of the hollow shaft (18), a threaded pipe (17) is installed inside the nut (20) in a matching manner, one end of the threaded pipe (17) is connected with a central pipe (16), a jet flow disc (13) is fixed at one end of the central pipe (16), the jet flow disc (13) is of a hollow structure, and a jet flow hole (12) is formed in one side of the jet flow disc (13), the rubber bag (15) is sleeved on the outer side of the central pipe (16), and a first spring (14) is mounted on the inner wall of the rubber bag (15) and the circumferential surface of the central pipe (16).

4. The demolding mechanism for the high-density polyethylene pipe as claimed in claim 3, wherein an output motor (22) is mounted on the supporting frame (9), a second gear (21) is mounted on a rotating shaft of the output motor (22), and the second gear (21) is meshed with the first gear (19).

5. The demolding mechanism for high-density polyethylene tubes according to claim 3, wherein the central tube (16) is communicated with a threaded tube (17), the central tube (16) is communicated with the rubber bag (15), and the central axis of the jet disc (13) is in the same line with the central axis of the extrusion head (3).

6. The demolding mechanism for high-density polyethylene pipes as claimed in claim 3, wherein a cylinder is mounted on the support frame (9) and is communicated with the threaded pipe (17) through a guide pipe.