CN217891809U

CN217891809U - Extrusion rod assembly

Info

Publication number: CN217891809U
Application number: CN202221938226.2U
Authority: CN
Inventors: 陶龙海; 孙龙; 杨士军
Original assignee: Shanghai Xinzhiyi Semiconductor Material Co ltd
Current assignee: Shanghai Xinzhiyi Semiconductor Material Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-11-25
Anticipated expiration: 2032-07-25

Abstract

The utility model provides an extrusion rod component, which comprises a plunger head and a partition piece; the partition piece is made of high polymer materials and arranged on the plunger head, the plunger head is used for extruding a target object through the partition piece, and the partition piece is used for avoiding the contact between the plunger head and the target object. The utility model discloses an extrude pole subassembly through overhead the setting of plunger separates the piece, and will separate the piece and set up to macromolecular material, can avoid on the one hand the plunger head contacts with it when the extrusion sizing material, and on the other hand passes through non-metallic material separate piece and sizing material contact, can avoid producing black material, can not cause the sizing material to pollute, save the sizing material.

Description

Extrusion rod assembly

Technical Field

The utility model relates to a preforming machine technical field especially relates to an extrude pole subassembly.

Background

The rubber preforming equipment is high-precision and high-efficiency rubber blank manufacturing equipment, can produce rubber blanks with various medium and high hardness and various shapes, has high rubber blank precision and no air bubbles, and is suitable for producing products such as rubber sundries, oil seals, O-shaped rings and the like.

In the rubber preforming device, the rubber preforming is performed by an extrusion apparatus. The extrusion device usually comprises a hydraulic oil cylinder, a sealing device, a feeding material cylinder, a machine head and the like. The rubber is extruded from the die of the machine head by pushing the plunger head through the hydraulic oil cylinder, so as to obtain the required rubber blank. When the extrusion of the rubber material is finished, residual materials still exist in the material barrel, and the residual materials can be continuously used for producing products under normal conditions. However, the plunger head in the prior art is made of stainless steel, black substances still appear when the stainless steel rubs with white or colored rubber under long-time high pressure, the rubber is polluted after the white or colored rubber is extruded, and the stainless steel cannot be continuously used to produce products, so that the material waste is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an extrude pole subassembly for solve prior art plunger head and cause the problem that the sizing material pollutes and is extravagant.

In order to achieve the purpose, the utility model provides an extrusion rod assembly, which comprises a plunger head and a partition piece; the partition piece is made of high polymer materials and arranged on the plunger head, the plunger head is used for extruding a target object through the partition piece, and the partition piece is used for avoiding the contact between the plunger head and the target object.

The utility model discloses an extrude pole subassembly beneficial effect and lie in: through setting up on the plunger head separate the piece to will separate the piece and set up to macromolecular material, on the one hand can avoid the plunger head contacts with it when extrusion sizing material, on the other hand passes through non-metallic material separate the piece and contact with the sizing material, can avoid producing black material, can not cause the sizing material pollution, save the sizing material.

In one possible solution, the partition comprises a partition; the partition part is positioned on the end face of the plunger head, and the length of the partition part along the axial direction of the plunger head is 2mm to 4mm. The beneficial effects are that: the part of the partition piece arranged between the plunger head and the rubber material is called a partition part, and the partition part is 2-4 mm, so that the partition piece is convenient to arrange and process.

In one possible solution, the partition further comprises a surrounding portion; the surrounding part is arranged on the partition part and is positioned on the periphery side of the plunger head. The beneficial effects are that: through the surrounding part will the partition is connected to on the plunger head to fix through the fixed mode of week side, the pressure when can reducing the extrusion sizing material is to both fixed complex's influence.

In a feasible scheme, a step surface is arranged on the periphery of the end surface of the plunger head, the size of the step surface is matched with that of the surrounding part, and the step surface is used for accommodating the surrounding part. The beneficial effects are that: the stepped surface is arranged, so that after the surrounding part is fixed on the outer peripheral side of the plunger head, the sum of the diameters of the end part of the plunger head and the surrounding part can be equal to the outer diameter of the middle part of the plunger head, the plunger head can be conveniently arranged, and the rubber material can be conveniently extruded.

In a possible solution, the partition further includes a clamping portion; the clamping portion is arranged on the partition portion and is in a barb shape, and the plunger head is provided with a clamping groove matched with the clamping portion. The beneficial effects are that: through setting up joint portion is convenient for plunger spare with separate the equipment of disconnected piece, through with joint portion sets up to barb form, and with the help of separate disconnected piece for macromolecular material makes have elastic characteristics, be convenient for dismantlement between them.

In a feasible scheme, the clamping portions are arranged in a plurality, and each clamping portion is uniformly arranged on the partition portion. The beneficial effects are that: the arrangement is convenient for lifting the clamping part and the installation stability between the clamping grooves.

In one possible embodiment, the partition is made of a plastic material that is resistant to high temperatures and pressures.

In one possible embodiment, the inner side surface of the surrounding portion and the periphery of the end surface of the plunger head are provided with adaptive conical surfaces. The beneficial effects are that: this arrangement facilitates the abutment of the skirt portion with the plunger head.

Drawings

Fig. 1 is a schematic structural view of an extrusion stem assembly according to a first embodiment of the present invention;

FIG. 2 is a schematic view of an extrusion rod assembly according to a second embodiment of the present invention;

FIG. 3 is a schematic view of an extrusion stem assembly according to a third embodiment of the present invention;

fig. 4 is a schematic view of an extrusion rod assembly according to a fourth embodiment of the present invention;

fig. 5 is a schematic view of the structure of the barrier of fig. 4.

Reference numbers in the figures:

1. a plunger head;

2. a spacer; 201. a partition part; 202. a surrounding portion; 203. a clamping part.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Unless defined otherwise, technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. As used herein, the word "comprising" and similar words are intended to mean that the element or item preceding the word comprises the element or item listed after the word and its equivalent, but not the exclusion of other elements or items.

To the problems in the prior art, embodiments of the present invention provide an extrusion rod assembly for use in precision pre-forming equipment. In some embodiments, the precision preforming apparatus is a rubber preforming machine.

Fig. 1 is a schematic structural view of an extrusion rod assembly in a first embodiment of the present invention, fig. 2 is a schematic structural view of an extrusion rod assembly in a second embodiment of the present invention, fig. 3 is a schematic structural view of an extrusion rod assembly in a third embodiment of the present invention, fig. 4 is a schematic structural view of an extrusion rod assembly in a fourth embodiment of the present invention, and fig. 5 is a schematic structural view of a partition in fig. 4.

In some embodiments of the present invention, referring to fig. 1 and 5, the extrusion rod assembly includes a plunger head 1 and a partition 2; the partition member 2 is made of high polymer materials, the partition member 2 is arranged on the plunger head 1, the plunger head 1 is used for extruding a target object through the partition member 2, and the partition member 2 is used for avoiding the contact between the plunger head 1 and the target object.

In some embodiments of the present invention, the extrusion rod assembly is applied to a preforming device, in particular to an extrusion apparatus of a preforming device. In some embodiments, the extrusion device comprises a power mechanism, a barrel, a head, and a sealing device. The power mechanism is usually a hydraulic oil cylinder, the movable end of the hydraulic oil cylinder is provided with the extrusion rod assembly, the machine head is internally provided with a mouth-shaped film, and the hydraulic oil cylinder drives the extrusion rod assembly to extrude the rubber material from the charging barrel through the mouth-shaped film of the machine head to obtain a rubber blank.

In some embodiments, the charging barrel is horizontally arranged in the left-right direction, the hydraulic oil cylinder is arranged on the left side of the charging barrel, the machine head is arranged on the right side of the charging barrel, the movable rod assembly is arranged at the movable end of the hydraulic oil cylinder, the hydraulic oil cylinder can drive the movable rod assembly to move left and right in the charging barrel, the hydraulic oil cylinder and the charging barrel are arranged in a sealing mode, the machine head is arranged on the charging barrel in an openable mode, and the sealing device is used for sealing the charging barrel and the machine head.

In some embodiments, the plunger head 1 has a rod shape, and the partition 2 has a plate shape and is fixedly disposed on a right end surface of the plunger head 1.

In some embodiments, the plunger head 1 is made of stainless steel material, and the partition 2 is made of polymer material, so that the plunger head 1 presses the rubber material through the partition 2 in order to prevent the rubber material in the barrel from contacting the plunger head 1. In some embodiments, the outer diameter of the partition 2 is equal to the inner diameter of the cartridge.

In some embodiments, a threaded hole is formed in the plunger head 1, and a fixing hole matched with the threaded hole is formed in the partition 2. In some embodiments, the fixing hole is provided with a seal capable of preventing a bolt for fixing the partition 2 and the plunger head 1 from coming into contact with the glue.

In some embodiments, the partition 2 is made of at least one of rubber, plastic, and fiber.

In some embodiments, the partition 2 is made of a plastic material resistant to high temperatures and pressures.

In some embodiments of the present invention, referring to fig. 1 to 5, the partition 2 comprises a partition 201; the partition part 201 is located on the end face of the plunger head 1, and the length of the partition part 201 along the axial direction of the plunger head 1 is 2mm to 4mm.

In some embodiments of the present invention, the partition portion 201 is plate-shaped, and the partition portion 201 is fixedly disposed at the right side end of the plunger member. In some embodiments, the thickness of the partition 201 in the left-right direction is 2mm, 3mm, or 4mm.

In some embodiments of the present invention, referring to fig. 1 to 5, the partition 2 further comprises a surrounding portion 202; the surrounding portion 202 is provided in the partition portion 201, and the surrounding portion 202 is located on the circumferential side of the plunger head 1.

In some embodiments of the present invention, the surrounding portion 202 is in a shape of a circular tube, the surrounding portion 202 is located on the left side of the partition portion 201, and the surrounding portion 202 is disposed on the periphery of the right portion of the plunger head 1.

The utility model discloses in some embodiments, referring to fig. 1 to 5, the week side of the terminal surface of plunger head 1 is equipped with the ladder face, the size of ladder face with the size looks adaptation of surrounding part 202, the ladder face is used for the holding surrounding part 202.

In some embodiments of the present invention, the step surface is set to fix the surrounding portion 202, so that the outer diameter of the left side partial region of the surrounding portion 202 of the plunger head 1 and the outer diameter of the partition portion 201 are set to be equal.

In some embodiments of the present invention, referring to fig. 1 to 5, the partition 2 further includes a clamping portion 203; the clamping portion 203 is arranged on the partition portion 201, the clamping portion 203 is in a barb shape, and the plunger head 1 is provided with a clamping groove matched with the clamping portion 203.

In some embodiments of the present invention, the clamping portion 203 is disposed on the left side of the surrounding portion 202.

In some embodiments, the surrounding portion 202 has a notch, and the fastening portion 203 is disposed at the notch.

In some embodiments of the present invention, referring to fig. 1 to 5, the joint portion 203 is provided as a plurality of, each the joint portion 203 is uniformly provided in the partition portion 201.

In some embodiments of the present invention, the joint portion 203 is set to two, two the circumferential symmetry of the joint portion 203 is set in the surrounding portion 202 or the partition portion 201.

In some embodiments, the clamping portions 203 are provided in three, four, five or other numbers.

Although the embodiments of the present invention have been described in detail hereinabove, it is apparent to those skilled in the art that various modifications and variations can be made to these embodiments. However, it is to be understood that such modifications and variations fall within the scope and spirit of the invention as set forth in the following claims. Moreover, the invention as described herein is capable of other embodiments and of being practiced or of being carried out in various ways.

Claims

1. An extrusion stem assembly comprising a plunger head and a spacer;

the partition piece is made of high polymer materials and arranged on the plunger head, the plunger head is used for extruding a target object through the partition piece, and the partition piece is used for avoiding the contact between the plunger head and the target object.

2. The extrusion stem assembly of claim 1, wherein the partition comprises a partition;

the partition part is positioned on the end face of the plunger head, and the length of the partition part along the axial direction of the plunger head is 2mm to 4mm.

3. The extrusion straw assembly of claim 2, wherein the partition further comprises a surround;

the surrounding part is arranged on the partition part and is positioned on the periphery side of the plunger head.

4. The extrusion rod assembly according to claim 3, wherein a stepped surface is provided on a peripheral side of an end surface of the plunger head, the stepped surface having a size corresponding to a size of the surrounding portion, the stepped surface being configured to receive the surrounding portion.

5. The extrusion rod assembly of claim 2 or 3, wherein the partition further comprises a snap-in portion;

the clamping portion is arranged on the partition portion and is in a barb shape, and the plunger head is provided with a clamping groove matched with the clamping portion.

6. The extrusion rod assembly of claim 5, wherein the plurality of clamping portions are arranged, and each clamping portion is uniformly arranged on the partition portion.

7. The extrusion pole assembly of claim 1 wherein the partition is made of a high temperature and pressure resistant plastic material.

8. The extrusion rod assembly according to claim 3, wherein the inner side surface of the surrounding portion and the periphery of the end surface of the plunger head are provided with tapered surfaces that are adapted to each other.