CN216635275U

CN216635275U - Quick setting device of PEEK disk seat

Info

Publication number: CN216635275U
Application number: CN202122123979.XU
Authority: CN
Inventors: 何建; 张洪结; 乔金龙
Original assignee: Nanjing Shousu Special Engineering Plastics Products Co ltd
Current assignee: Nanjing Shousu Special Engineering Plastics Products Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-05-31
Anticipated expiration: 2031-09-03

Abstract

The utility model relates to a rapid shaping device of a PEEK valve seat, which comprises a bottom die, wherein a shaping groove is formed in the upper end surface of the bottom die, a conformal water storage cavity is formed in the bottom die along the shaping groove, an injection molding opening is formed in the center of the lower end surface of the bottom die, ejector rods are symmetrically and slidably connected to the lower end surface of the bottom die, a driving block is fixed at the bottom end of the ejector rod, a trapezoidal through hole is formed in the driving block, a triangular linkage block is slidably connected in the trapezoidal through hole, a hydraulic rod is fixed on one side of the triangular linkage block, a guide rod is fixed on the upper end surface of the bottom die, a top die is slidably connected on the guide rod, a shaping block is fixed at the position, corresponding to the shaping groove, of the lower end surface of the top die, and a conformal preheating cavity is formed in the shaping block. The design of the free-form water storage cavity and the free-form preheating cavity can avoid stress concentration caused by uneven cold and heat at the local part of the injection molding piece, and ensure the injection molding quality; the design of the water storage cavity can shorten the cooling and shaping time; the design of ejector pin and hydraulic stem can make things convenient for the operator to take out the injection molding.

Description

Quick setting device of PEEK disk seat

Technical Field

The utility model relates to the technical field of valve seat production equipment, in particular to a rapid shaping device for a PEEK valve seat.

Background

In the prior art, in the production and processing process of the PEEK valve seat, because the temperature of a mold is reduced, injection molding raw materials are directly injected into the mold and can be rapidly cooled to cause the concentration of internal stress of the injection molding valve seat, so that the injection quality is influenced, the natural cooling and shaping time of an injection part is longer, and meanwhile, the manual taking out of the injection molding valve seat from the mold is troublesome.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model aims to provide a quick forming device for a PEEK valve seat so as to solve the technical problems mentioned in the background technology.

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a quick setting device of PEEK disk seat, including the die block, the up end of die block is provided with the shaping groove, be provided with along the shaping groove along the type water storage chamber in the die block, be provided with water filling port and delivery port on the lateral wall of die block, water filling port and delivery port communicate with along the type water storage chamber respectively, the lower terminal surface central point of die block puts and has seted up the mouth of moulding plastics, the mouth of moulding plastics communicates with the shaping groove, the lower terminal surface symmetry sliding connection of die block has the ejector pin, the top of ejector pin passes the die block and is parallel and level with the tank bottom of shaping groove, the bottom of ejector pin is fixed with the drive block, be provided with trapezoidal through-hole in the drive block, sliding connection has triangle-shaped interlock piece in the trapezoidal through-hole, one side of triangle-shaped interlock piece is fixed with the hydraulic stem, the hydraulic stem passes through the support mounting at the lower terminal surface of die block, the spring has been cup jointed in the outside of ejector pin, the one end of spring is fixed at the lower terminal surface of die block, the other end of spring is fixed at the drive block, the upper end face of the bottom die is fixedly provided with a guide rod, the guide rod is connected with a top die in a sliding mode, the lower end face of the top die is fixedly provided with a shaping block corresponding to the shaping groove, a shape-following preheating cavity is arranged in the shaping block, a heating resistance wire is arranged in the shape-following preheating cavity, the upper end face of the top die is connected with a hydraulic arm through a bolt, the top end of the hydraulic arm is fixedly provided with a base, and the top end of the guide rod is fixedly arranged on the lower end face of the base.

Preferably, a positioning sleeve is arranged at the center of the lower end face of the bottom die, and the positioning sleeve and the injection molding opening are arranged concentrically.

In any one of the above aspects, preferably, the top end of the positioning sleeve is bolted to the bottom die.

In any of the above solutions, preferably, the bottom end of the positioning sleeve is provided with a cushion pad.

In any one of the above schemes, preferably, a water injection pipe is fixed on the side wall of the bottom mold at a position corresponding to the water injection port, and a first flange is fixed at one end of the water injection pipe.

In any of the above solutions, preferably, a first sealing ring is fixed to one side of the first flange.

In any of the above schemes, preferably, a water outlet pipe is fixed on the side wall of the bottom die at a position corresponding to the water outlet, and a second flange is fixed at one end of the water outlet pipe.

In any of the above embodiments, preferably, a second seal ring is fixed to one side of the second flange.

In any one of the above aspects, preferably, the end face of the base is provided with a connection hole.

In any one of the above aspects, preferably, a plurality of the connection holes are provided.

Compared with the prior art, the utility model has the advantages that:

according to the utility model, the device can be preheated by the matching of the free-form water storage cavity and the free-form preheating cavity, so that the injection molding raw material is prevented from being cooled too fast after entering a mold, the flowability of the injection molding raw material is ensured, the stress concentration caused by uneven cooling and heating of the local part of an injection molding part is avoided, and the injection molding quality is ensured; the design of the random water storage cavity can ensure that the device can be rapidly cooled by injecting cooling water into the random water storage cavity after the injection is finished, so that the injection molding piece can be rapidly shaped, the cooling and shaping time is shortened, and the processing efficiency is improved; the ejector pin and the hydraulic rod are designed, the hydraulic rod can control the ejector pin to move, and after injection molding is completed, the ejector pin can eject the injection molding piece out of the mold, so that an operator can take out the injection molding piece conveniently.

Drawings

Fig. 1 is a schematic overall structure diagram of a rapid prototyping device for a PEEK valve seat according to the present invention.

The numbering in the figures illustrates:

1. bottom die; 2. a shaping groove; 3. a random water storage cavity; 4. a water injection port; 5. a water outlet; 6. an injection molding port; 7. a top rod; 8. a drive block; 9. a trapezoidal through hole; 10. a triangular linkage block; 11. a hydraulic lever; 12. a spring; 13. a guide bar; 14. carrying out top die; 15. a shaping block; 16. a conformal preheating cavity; 17. heating resistance wires; 18. a hydraulic arm; 19. a base; 20. positioning the sleeve; 21. a cushion pad; 22. a water injection pipe; 23. a first flange plate; 24. a first seal ring; 25. a water outlet pipe; 26. a second flange plate; 27. a second seal ring; 28. and connecting the holes.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

Example (b):

referring to fig. 1, a quick forming device for a PEEK valve seat comprises a bottom die 1, wherein a fixed groove 2 is formed in the upper end surface of the bottom die 1, a conformal water storage cavity 3 is formed in the bottom die 1 along the fixed groove 2, a water filling port 4 and a water outlet 5 are formed in the side wall of the bottom die 1, the water filling port 4 and the water outlet 5 are respectively communicated with the conformal water storage cavity 3, an injection port 6 is formed in the center position of the lower end surface of the bottom die 1, the injection port 6 is communicated with the fixed groove 2, a top rod 7 is symmetrically and slidably connected to the lower end surface of the bottom die 1, the top end of the top rod 7 penetrates through the bottom die 1 and is flush with the bottom of the fixed groove 2, a driving block 8 is fixed at the bottom end of the top rod 7, a trapezoidal through hole 9 is formed in the driving block 8, a triangular linkage block 10 is slidably connected to the trapezoidal through hole 9, a hydraulic rod 11 is fixed to one side of the triangular linkage block 10, and the hydraulic rod 11 is mounted on the lower end surface of the bottom die 1 through a bracket, the outer side of the ejector rod 7 is sleeved with a spring 12, one end of the spring 12 is fixed on the lower end face of the bottom die 1, the other end of the spring 12 is fixed on the upper end face of the driving block 8, a guide rod 13 is fixed on the upper end face of the bottom die 1, an ejector die 14 is connected on the guide rod 13 in a sliding mode, a shaping block 15 is fixed at the position, corresponding to the shaping groove 2, of the lower end face of the ejector die 14, a shape-following preheating cavity 16 is arranged in the shaping block 15, a heating resistance wire 17 is arranged in the shape-following preheating cavity 16, a hydraulic arm 18 is connected to the upper end face of the ejector die 14 through a bolt, a base 19 is fixed at the top end of the hydraulic arm 18, and the top end of the guide rod 13 is fixed on the lower end face of the base 19.

In this embodiment, a positioning sleeve 20 is disposed at a central position of a lower end surface of the bottom die 1, and the positioning sleeve 20 is concentrically arranged with the injection port 6. The design of the positioning sleeve 20 can position the injection molding machine, and ensures good positioning and fitting of the injection molding machine and the device.

In this embodiment, the top end of the positioning sleeve 20 is bolted to the bottom die 1. Through the design, the positioning sleeve 20 can be conveniently detached and replaced.

In this embodiment, the bottom end of the positioning sleeve 20 is provided with a cushion pad 21. The cushion pad 21 is designed to reduce the impact damage of the positioning sleeve 20 to the injection molding machine and avoid the damage of the injection molding machine.

In this embodiment, a water injection pipe 22 is fixed on the side wall of the bottom mold 1 at a position corresponding to the water injection port 4, and a first flange 23 is fixed at one end of the water injection pipe 22; a first sealing ring 24 is fixed on one side of the first flange plate 23. The first flange 23 is designed to facilitate connection of the device to an external water supply.

In this embodiment, a water outlet pipe 25 is fixed on the side wall of the bottom die 1 at a position corresponding to the water outlet 5, and a second flange 26 is fixed at one end of the water outlet pipe 25; a second sealing ring 27 is fixed on one side of the second flange plate 26. The second flange 26 is designed to facilitate connection of the device to an external water return device.

In the present embodiment, the end surface of the base 19 is provided with a connection hole 28; the connection hole 28 is provided in plurality. The design of the connection hole 28 can be connected in the connection hole 28 through an external bolt, thereby facilitating the fixed installation of the device.

The working process of the utility model is as follows:

an operator can be connected with an external controller, the working end of an injection molding machine is inserted into the injection molding port 6, the heating resistance wire 17 is started, hot water is injected into the following type water storage cavity 3 through an external water supply device, the device is preheated, then the hydraulic arm 18 controls the top mold 14 and the bottom mold 1 to mold, injection molding raw materials are injected into the device through the injection molding machine, after injection molding is completed, the heating resistance wire 17 is stopped, cold water is injected into the following type water storage cavity 3 through the external water supply device, the device is cooled, after cooling is completed, the hydraulic arm 18 is contracted, the top mold 14 is separated from the bottom mold 1, then the hydraulic rod 11 is controlled to extend, the ejector rod 7 is driven to move upwards through the driving block 8, and therefore the injection molding piece is ejected out of the mold. The design of the free-form water storage cavity 3 and the free-form preheating cavity 16 can preheat the device through the cooperation of the free-form water storage cavity and the free-form preheating cavity, so that the injection molding raw material is prevented from being cooled too quickly after entering a mold, the flowability of the injection molding raw material is ensured, the stress concentration caused by uneven cooling and heating of the local part of an injection molding part is avoided, and the injection molding quality is ensured; due to the design of the random-type water storage cavity 3, after injection is finished, cooling water can be injected into the random-type water storage cavity 3 to rapidly cool the device, so that an injection molding piece can be rapidly molded, the cooling and molding time is shortened, and the processing efficiency is improved; the ejector pin 7 and the hydraulic stem 11 design, accessible hydraulic stem 11 control ejector pin 7's removal, and when the completion back of moulding plastics, accessible ejector pin 7 is with the ejecting mould of injection molding, makes things convenient for the operator to take out the injection molding.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a quick setting device of PEEK disk seat, includes the die block, its characterized in that: the upper end surface of the bottom die is provided with a fixed groove, a conformal water storage cavity is arranged in the bottom die along the fixed groove, a water filling port and a water outlet are arranged on the side wall of the bottom die, the water filling port and the water outlet are respectively communicated with the conformal water storage cavity, an injection port is arranged at the central position of the lower end surface of the bottom die, the injection port is communicated with the fixed groove, ejector rods are symmetrically and slidably connected to the lower end surface of the bottom die, the top ends of the ejector rods penetrate through the bottom die and are flush with the bottom surface of the fixed groove, a driving block is fixed at the bottom end of the ejector rods, trapezoidal through holes are formed in the driving block, triangular interlocking blocks are slidably connected in the trapezoidal through holes, a hydraulic rod is fixed to one side of each triangular interlocking block, the hydraulic rod is installed on the lower end surface of the bottom die through a support, springs are sleeved on the outer sides of the ejector rods, one ends of the springs are fixed on the lower end surface of the bottom die, the other ends of the springs are fixed on the upper end surface of the driving block, guide rods are fixed on the upper end surface of the bottom die, the guide rod is connected with a top die in a sliding mode, a shaping block is fixed at the position, corresponding to the shaping groove, of the lower end face of the top die, a free-form preheating cavity is arranged in the shaping block, a heating resistance wire is arranged in the free-form preheating cavity, the upper end face of the top die is connected with a hydraulic arm through a bolt, a base is fixed at the top end of the hydraulic arm, and the top end of the guide rod is fixed at the lower end face of the base.

2. The quick forming device of a PEEK valve seat of claim 1, which is characterized in that: and a positioning sleeve is arranged at the center of the lower end face of the bottom die and is concentrically arranged with the injection molding port.

3. The quick forming device of a PEEK valve seat of claim 2, which is characterized in that: and the top end of the positioning sleeve is connected with the bottom die through a bolt.

4. The quick forming device of a PEEK valve seat of claim 2, which is characterized in that: and a cushion pad is arranged at the bottom end of the positioning sleeve.

5. The quick forming device of a PEEK valve seat of claim 1, which is characterized in that: and a water injection pipe is fixed on the side wall of the bottom die corresponding to the position of the water injection port, and a first flange plate is fixed at one end of the water injection pipe.

6. The quick forming device of a PEEK valve seat of claim 5, which is characterized in that: and a first sealing ring is fixed on one side of the first flange plate.

7. The quick forming device of a PEEK valve seat of claim 1, which is characterized in that: and a water outlet pipe is fixed on the side wall of the bottom die corresponding to the water outlet, and a second flange plate is fixed at one end of the water outlet pipe.

8. The quick forming device of a PEEK valve seat of claim 7, which is characterized in that: and a second sealing ring is fixed on one side of the second flange plate.

9. The rapid prototyping device of PEEK disk seat of claim 1 wherein: the end face of the base is provided with a connecting hole.

10. The rapid prototyping device of PEEK valve seat of claim 9 wherein: the connecting hole is provided with a plurality of.