CN216683146U - Mould structure of conical cutter - Google Patents

Abstract

The utility model discloses a mold structure of a conical cutter, which comprises a front mold, wherein the front mold comprises a front fixing frame and a front mold frame which are sequentially installed, a front mold core is arranged in the front mold frame, a front insert is arranged inside the front mold core, and glue inlets communicated with the front mold core are arranged inside the front fixing frame and the front mold frame; the back mould, back mould are including installing back mount, ejection mechanism and back die carrier in proper order, are provided with back mould benevolence in the back die carrier, and the terminal surface of back mould benevolence is provided with the back position of going, and the inside wall of back position of going is provided with the position slot of going, and the position slot of going is provided with the bar mold insert. The strip-shaped insert can enable the edge of the conical cutter to have the required precision and angle, greatly improves the sharpness of the cutter teeth of the conical cutter, and has the advantages of high processing efficiency, lower cost, high yield of finished products and high precision.

Description

Mould structure of conical cutter

[ technical field ] A method for producing a semiconductor device

The utility model relates to a die structure, in particular to a die structure for improving the sharpness of a tapered knife edge.

[ background of the utility model ]

In the industry, the traditional conical cutter manufacturing method firstly casts a rough-shaped blank by manufacturing a wax pattern, then adopts high-technology metal processing equipment, and can be completed through the procedures of primary processing → fine processing → post-processing and the like, so that the manufacturing process period is long, and the productivity of the product is restricted and the cost is high. For example, chinese patent application CN13145848A discloses a grinding assembly, a method for manufacturing the same, and a coffee machine, wherein the grinding assembly comprises a flat knife, a conical knife, or a ghost knife, and the method for manufacturing the grinding assembly comprises the following steps: s1, mixing and granulating metal powder and a binder; s2, obtaining a green body by injecting the feeding particles into a mould through an injection machine; s3, taking out the organic binder in the green compact in a degreasing furnace; s4, obtaining a grinding component sintered blank through a sintering process, and obtaining the grinding component through one-step molding by using a metal injection molding method, so that compared with machining, the material cost can be saved, and the production efficiency can be improved; compared with casting, the cutting of metal injection molding has enough sharpness, higher hardness and wider application range. The sand hole defect that exists inside the casting, just can expose in follow-up machining, not only cause the part to scrap, the cost of follow-up processing procedure has also been increased, though make through degrease and sintering, the preparation flow is simple, it is short to have the cycle, the precision is higher and advantage with low costs, but the toper sword mould precision and the mould structure of this technology have directly influenced its performance and quality, the mould can't make the sword tooth of toper sword accomplish the precision in the in-process of technology processing, if go to make according to traditional thinking method and mould structure, the mould processing through the machine tooling preparation comes out the toper sword tooth and is not sharp enough, the performance can't reach anticipated effect, finally influence the taste of making coffee drink.

Aiming at the problem that the current structure is still to be further improved, how to provide a die structure of a conical cutter with short processing time, low cost, high finished product yield and high precision becomes the key subject of the utility model.

[ Utility model ] content

In view of the above problems in the prior art, the present invention provides a mold structure for a conical cutter, which has high processing efficiency, low cost, high yield of finished products, and high precision.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

a mold structure of a conical cutter comprises a conical cutter,

the front mould comprises a front fixing frame and a front mould frame which are sequentially installed, a front mould core is arranged in the front mould frame, a front insert is arranged in the front mould core, and a glue inlet communicated with the front mould core is formed in the front fixing frame and the front mould frame;

the rear die comprises a rear fixing frame, an ejection mechanism and a rear die frame which are sequentially arranged, a rear die core is arranged in the rear die frame, and a rear slide is arranged on the end surface of the rear die core;

the inner side wall of the backward slide is provided with a slide groove, and the slide groove is provided with a strip-shaped insert.

The ejector mechanism comprises an ejector base plate arranged on the rear fixing frame, an ejector plate arranged on the ejector base plate, and an ejector rod, wherein the ejector plate is movably connected with the rear die carrier through a rear guide pillar, one end of the ejector rod is fixed on the ejector plate, and the other end of the ejector rod is arranged on the end face of the rear die core. The arrangement can facilitate demoulding after the conical cutter is injection molded.

Further, a return spring is arranged between the ejector plate and the rear die carrier. The arrangement can facilitate demoulding after the conical cutter is injected and molded, and also facilitate the closure of a backward position for next injection operation.

Further, the return spring is sleeved on the rear guide post. This structural design is convenient to fix a position and reset.

Further, the slide groove is matched with the strip-shaped insert. The purpose of this design is to sharpen the teeth of the shaped conical cutter.

Furthermore, the number of the backward positions is five, each backward position is connected with a shovel base, and the shovel bases drive the backward positions to be opened or closed. The arrangement can facilitate demoulding after the conical cutter is injected and molded, and also facilitate the closure of a backward position for next injection operation.

Further, the glue inlet is correspondingly arranged on the top end surface and the bottom surface of the conical cutter or the thimble position of the conical cutter.

Compared with the prior art, the utility model has the beneficial effects that: the inner side wall of the backward slide is provided with a slide groove, and the slide groove is provided with a strip-shaped insert. The strip-shaped insert can enable the edge to have required precision and angle, and the strip-shaped insert is arranged in the groove, so that the problem that the cutter teeth of the conical cutter cannot be precise in the technical processing process of the rear mold core is avoided.

[ description of the drawings ]

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model:

FIG. 1 is a schematic sectional view of a mold in a closed state according to the present invention;

FIG. 2 is a schematic sectional view of the mold in the mold-open state according to the present invention;

FIG. 3 is an enlarged view of the portion A shown in FIG. 2;

FIG. 4 is a schematic cross-sectional view of a rear mold core slide structure according to the present invention;

FIG. 5 is a front view of the uniform distribution of the backward bit module according to the present invention;

FIG. 6 is a rear mold perspective view of the present invention;

FIG. 7 is an exploded view of the column module of the present invention;

FIG. 8 is a cross-sectional view of the front core ejector mechanism of the present invention;

FIG. 9 is a perspective view of a conical knife;

FIG. 10 is a schematic view of the bottom structure of the conical knife;

FIG. 11 is another schematic view of the bottom structure of the conical knife;

description of reference numerals: description of reference numerals: 10-front mould; 101-front fixed mount; 102-a front runner plate; 103-front mould frame; 104-front mold core; 105-a front insert; 106-glue inlet; 20-back mould; 201-rear fixing frame; 202-a return spring; 203-rear guide post; 204-rear mold core; 205-backward bit module; 206-rear insert; 207-ejector plate; 208-a mandril; 209-insert; 210-shovel base; 211-thimble base plate; 212-back mould frame; 213-backward bit; 214-strip insert; 215-row bit trenches; 30-a conical knife; 301-cutter teeth; 302-end face; 303-thimble position; 304-a bottom surface; 40-water gap;

[ detailed description ] embodiments

The utility model will be described in detail with reference to the following drawings and specific embodiments, which are used for explaining and understanding the utility model, but are not limited to the utility model.

Referring to fig. 1 to 8, the present invention discloses a mold structure of a taper cutter, including a front mold 10, where the front mold 10 includes a front fixing frame 101 and a front mold frame 103 sequentially installed, a front mold core 104 is disposed in the front mold frame 103, a front insert 105 is disposed inside the front mold core 104, a glue inlet 106 communicated with the front mold core 104 is disposed inside the front fixing frame 101 and the front mold frame 103, and the glue inlet 106 is formed by a front runner plate 102 disposed on the front mold frame 103 and the front mold core 104. The rear mold 20 comprises a rear fixing frame 201, an ejection mechanism and a rear mold frame 212 which are sequentially installed, a rear mold core 204 is arranged in the rear mold frame 212, a rear insert 206 is arranged at the center of the rear mold core 204, the rear insert 206 can also be integrally formed with the rear mold core 204, the rear insert 206 is arranged towards the front mold core 104, a rear slide 213 is arranged on the end surface of the rear mold core 204, a slide groove 215 is arranged on the inner side wall of the rear slide 213, and the rear slide 213 is annularly arranged around the rear insert 206; the row groove 215 is disposed toward the rear insert 206, the row groove 215 is disposed with a strip insert 214, and the row groove 215 is matched with the strip insert 214, so as to sharpen the teeth of the molded taper cutter. The strip insert 214 is disposed in a slide groove 215 of the slide 213 to form the slide module 205. The ejection mechanism comprises an ejector base plate 211 arranged on the rear fixing frame 201 and an ejector plate 207 arranged on the ejector base plate 211, the ejector plate 207 is movably connected with the rear die carrier 212 through a rear guide pillar 203, the ejection mechanism further comprises an ejector rod 208, one end of the ejector rod 208 is fixed on the ejector plate 207, the other end of the ejector rod 208 is arranged on the end surface of the rear die core 204, the ejector rod 208 penetrates through the rear die core 204, the end surface of the ejector rod 208, extending out of the rear die core 204, is abutted against the bottom surface 304 or the ejector pin position 303 of the injection-molded conical knife 30, and an insert 209 is further arranged between the ejector rod 208 and the rear die core 204 for facilitating the telescopic operation of the ejector rod 208. A return spring 202 is arranged between the ejector plate 207 and the rear die carrier 212. The return spring 202 is sleeved on the rear guide post 203. The arrangement can facilitate demoulding of the conical cutter 30 after injection molding, and facilitate folding of the backward position 213 for next injection operation. The number of the backward positions 213 is five, each backward position 213 is connected with a shovel base 210, and the shovel base 210 drives the backward position 213 to open or close. That is, the back row position modules 205, each back row position module 205 is connected with a shovel base 210, and the shovel base 210 drives the back row position module 205 to open or close. The arrangement is convenient for demoulding after the conical cutter 30 is injected and molded, and is also convenient for the backward position 213 to be folded for the next injection operation.

Referring to fig. 9 to 11, the top of the tapered knife 30 demolded by injection molding according to the present invention is further provided with a water gap 40, referring to fig. 2, the tapered knife 30 includes a knife tooth 301, a top end face 302 of the tapered knife 30, and a bottom face 304 of the tapered knife 30, the bottom of the tapered knife 30 is further provided with three thimble positions 303, the thimble positions 303 are used for positioning and fixing the tapered knife 30 in a cutter head of a coffee machine, and the glue inlet may be correspondingly provided on the top end face 302 or the bottom face 304 of the tapered knife 30, or may be provided on the thimble positions 303 of the tapered knife 30, as shown in fig. 11.

Compared with the prior art, the utility model has the beneficial effects that: the inner side wall of the backward slide 213 is provided with a slide groove 215, and the slide groove 215 is provided with a strip-shaped insert 214. The strip-shaped insert 214 can enable the edge to have required precision and angle, and the strip-shaped insert 214 is arranged in the row position groove 215, so that the problem that the rear die core 204 cannot enable the cutter teeth 301 of the conical cutter 30 to be precise in the technical processing process is avoided, the sharpness of the cutter teeth 301 of the conical cutter 30 can be greatly improved through the finished product manufactured by the method, and the method has the advantages of high processing efficiency, low cost, high finished product yield and high precision.

The foregoing is for the purpose of illustrating the utility model only and various simple changes and modifications made by those skilled in the art without departing from the spirit of the utility model should fall within the scope of the utility model.

Claims (7)

1. A mold structure of a conical cutter comprises a conical cutter,

the front mould comprises a front fixing frame and a front mould frame which are sequentially installed, a front mould core is arranged in the front mould frame, a front insert is arranged in the front mould core, and a glue inlet communicated with the front mould core is formed in the front fixing frame and the front mould frame;

the rear die comprises a rear fixing frame, an ejection mechanism and a rear die frame which are sequentially arranged, a rear die core is arranged in the rear die frame, and a rear slide is arranged on the end surface of the rear die core;

the method is characterized in that: the inside wall of the backward position is provided with a row position groove, and the row position groove is provided with a strip-shaped insert.

2. The die structure of the conical cutter as claimed in claim 1, wherein: the ejection mechanism comprises an ejector base plate arranged on the rear fixing frame, an ejector plate arranged on the ejector base plate, and an ejector rod, wherein the ejector plate is movably connected with the rear die carrier through a rear guide pillar, one end of the ejector rod is fixed on the ejector plate, and the other end of the ejector rod is arranged on the end face of the rear die core.

3. The die structure of the conical cutter as claimed in claim 2, wherein: and a return spring is arranged between the ejector plate and the rear die carrier.

4. The die structure of the conical cutter as claimed in claim 3, wherein: the return spring is sleeved on the rear guide post.

5. The die structure of the conical cutter as claimed in claim 1, wherein: the slide groove is matched with the strip-shaped insert.

6. The die structure of the conical cutter as claimed in any one of claims 1 to 5, wherein: the number of the backward positions is five, each backward position is connected with a shovel base, and the shovel bases drive the backward positions to be opened or closed.

7. The die structure of the conical cutter as claimed in claim 6, wherein: the glue inlet is correspondingly arranged on the top end surface and the bottom surface of the conical cutter or the thimble position of the conical cutter.

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