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CN-224210153-U - Extrusion molding machine for processing silicon carbide products

CN224210153UCN 224210153 UCN224210153 UCN 224210153UCN-224210153-U

Abstract

The utility model discloses an extrusion molding machine for processing silicon carbide products, which comprises a frame, self-separating dies, a first hydraulic cylinder and an extrusion mechanism, wherein a plurality of self-separating dies are slidably arranged on the frame, the first hydraulic cylinder is arranged on the frame, the power output end of the first hydraulic cylinder is arranged corresponding to one self-separating die at the outermost side, the extrusion mechanism is arranged at the bottom of the frame, the plurality of extrusion ends of the extrusion mechanism are matched with the self-separating dies, the self-separating dies comprise a left die shell, a right die shell and springs, the left die shell and the right die shell are symmetrically arranged, a cavity for the silicon carbide products is formed between the left die shell and the right die shell, the springs are arranged on an otic placode of the right die shell, and the springs are arranged opposite to the otic placode on the left die shell. When the forming machine produces some irregular or unsmooth products, the formed products can be taken out rapidly and conveniently. In addition, the self-separating die can be mutually separated in a non-working state, so that maintenance, cleaning and inspection are convenient.

Inventors

  • RONG HUIJIE
  • WU ZHENGKANG
  • LI JIAJUN

Assignees

  • 登封市发祥新材料科技有限公司

Dates

Publication Date
20260508
Application Date
20250516

Claims (6)

  1. 1. The extrusion molding machine for processing the silicon carbide product is characterized by comprising a frame (1), a self-separating die (2), a first hydraulic cylinder (3) and an extrusion mechanism (4), wherein a plurality of the self-separating dies (2) are slidably arranged on the frame (1), the first hydraulic cylinder (3) is arranged on the frame (1), the power output end of the first hydraulic cylinder (3) is arranged corresponding to one outermost self-separating die (2), the extrusion mechanism (4) is arranged at the bottom of the frame (1), a plurality of extrusion ends of the extrusion mechanism (4) are matched with the self-separating dies (2), The self-detaching die (2) comprises a left die shell (5), a right die shell (6) and a spring (7), wherein the left die shell (5) and the right die shell (6) are symmetrically arranged, a die cavity for a silicon carbide product is formed between the left die shell and the right die shell, the spring (7) is installed on an ear plate (8) of the right die shell (6), and the spring (7) and the ear plate (8) on the left die shell (5) are oppositely arranged.
  2. 2. The extrusion molding machine for processing silicon carbide products according to claim 1, wherein the self-separating die (2) is slidably mounted in a chute (9) of the frame (1), two positioning sliding blocks (10) respectively positioned at two outer sides of the self-separating die (2) are slidably mounted in the chute (9), and the positioning sliding blocks (10) are fixed through bolts.
  3. 3. The extrusion molding machine for processing silicon carbide products according to claim 1, wherein a backing plate (11) is provided on the side surface between the self-separating dies (2).
  4. 4. The extrusion molding machine for processing silicon carbide products according to claim 1, wherein an ejection mechanism (12) matched with the self-separating mold (2) is arranged on the frame (1), the ejection mechanism (12) comprises an air cylinder (13), a transverse plate (14) and an ejector rod (15), the air cylinder (13) is vertically upwards arranged on a bottom plate of the frame (1), the transverse plate (14) is arranged on a power output end of the air cylinder (13), a plurality of the ejector rods (15) are vertically arranged on the transverse plate (14), and positioning holes matched with the ejector rods (15) are formed in a bearing plate of the frame (1).
  5. 5. The extrusion molding machine for processing silicon carbide products according to claim 1, wherein the extrusion mechanism (4) comprises a second hydraulic cylinder (16), a lifting plate (17) and a die head (18), the second hydraulic cylinder (16) is vertically and downwardly mounted on a top plate of the frame (1), the lifting plate (17) is mounted on a power output end of the second hydraulic cylinder (16), a plurality of die heads (18) are vertically and downwardly mounted on the lifting plate (17), and the plurality of die heads (18) are in one-to-one correspondence with the plurality of self-separating dies (2).
  6. 6. The extrusion molding machine for processing silicon carbide products according to claim 1, wherein the separation distance between the left mold shell (5) and the right mold shell (6) is larger than the maximum caliber of the silicon carbide products.

Description

Extrusion molding machine for processing silicon carbide products Technical Field The utility model relates to the technical field of silicon carbide product forming machines, in particular to an extrusion forming machine for processing a silicon carbide product. Background Silicon carbide products are defined according to materials and specifications, and silicon carbide materials are used to manufacture silicon carbide products of various shapes and specifications. Such as the common silicon carbide bolt, is a high-performance fastener and is widely applied to high-temperature, high-pressure and corrosive environments. The production process of the silicon carbide ceramic bolt comprises the steps of firstly preparing a mould, then forming the prepared silicon carbide in the mould in a dry pressing, isostatic pressing or grouting mode, and finally sintering the formed silicon carbide bolt blank to achieve ceramization. When the die forming process is used for production, if the product is a product with regular and smooth surface, the blank die can be ejected at one time after extrusion molding, otherwise, the product with irregular or unsmooth surface is difficult to eject at one time. For the silicon carbide bolt, the surface threads and the bolt body are molded together in a mold, so that the silicon carbide bolt is difficult to take out quickly in a one-time ejection mode. There is a need for an extrusion molding machine for processing silicon carbide articles that can facilitate and quickly remove the product. Disclosure of utility model The utility model aims to provide an extrusion molding machine for processing silicon carbide products, which solves the problem that irregular or unsmooth surface silicon carbide products are difficult to be quickly taken out in the extrusion molding machine. In order to solve the technical problems, the utility model adopts the following technical scheme: The extrusion molding machine for processing the silicon carbide products comprises a frame, a self-separating die, a first hydraulic cylinder and an extrusion mechanism, wherein a plurality of self-separating dies are slidably arranged on the frame, the first hydraulic cylinder is arranged on the frame, the power output end of the first hydraulic cylinder is arranged corresponding to one self-separating die at the outermost side, the extrusion mechanism is arranged at the bottom of the frame, a plurality of extrusion ends of the extrusion mechanism are matched with the self-separating dies, The self-detaching die comprises a left die shell, a right die shell and a spring, wherein the left die shell and the right die shell are symmetrically arranged, a cavity for a silicon carbide product is formed between the left die shell and the right die shell, the spring is arranged on an ear plate of the right die shell, and the spring is arranged opposite to the ear plate on the left die shell. The automatic separating die is arranged in a sliding groove of the frame in a sliding mode, two positioning sliding blocks are arranged in the sliding groove in a sliding mode and located on the two outer sides of the automatic separating die respectively, and the positioning sliding blocks are fixed through bolts. The technical scheme is that a base plate is arranged on the side surface between the self-separating dies. The automatic ejection mechanism is characterized in that an ejection mechanism matched with the automatic ejection die is arranged on the frame and comprises an air cylinder, a transverse plate and ejector rods, the air cylinder is vertically upwards arranged on a bottom plate of the frame, the transverse plate is arranged on a power output end of the air cylinder, a plurality of the ejector rods are vertically arranged on the transverse plate, and positioning holes matched with the ejector rods are formed in a bearing plate of the frame. The extrusion mechanism comprises a second hydraulic cylinder, a lifting plate and a die head, wherein the second hydraulic cylinder is vertically and downwards arranged on a top plate of the frame, the lifting plate is arranged on a power output end of the second hydraulic cylinder, a plurality of die heads are vertically and downwards arranged on the lifting plate, and the die heads are in one-to-one correspondence with the self-separating dies. The further technical scheme is that the separation distance between the left mould shell and the right mould shell is larger than the maximum caliber of the silicon carbide product. Compared with the prior art, the utility model has at least one of the following beneficial effects: The utility model provides an extrusion molding machine for processing silicon carbide products, which can automatically separate from a separation die after the pressure on the separation die is removed when the extrusion molding machine is used for molding some irregular or unsmooth-surface products, so that the effect of taking out the molded products rapi