CN215657752U - Core-pulling spraying device and die-casting die with same - Google Patents
Core-pulling spraying device and die-casting die with same Download PDFInfo
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- CN215657752U CN215657752U CN202122116936.9U CN202122116936U CN215657752U CN 215657752 U CN215657752 U CN 215657752U CN 202122116936 U CN202122116936 U CN 202122116936U CN 215657752 U CN215657752 U CN 215657752U
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Abstract
The utility model discloses a core-pulling spraying device and a die-casting die with the same, wherein the core-pulling spraying device comprises: the mounting body is provided with a mounting channel, and the mounting channel is inclined to the bottom surface of the mounting body; the core pulling assembly comprises a driving piece, a connecting column and a core column, wherein the driving piece is positioned at an opening on one side of the installation channel and is connected with the installation body, the connecting column is positioned at an opening on the other side of the installation channel, one end of the connecting column is connected with the driving piece, the other end of the connecting column is fixedly connected with one end of the core column, and the core column has a taper; the core piece is provided with a first spraying channel, a cavity part and a core pulling channel adaptive to the core column, a spraying hole communicated with the first spraying channel is formed in the inner wall of the core pulling channel, the core column is inserted into the core pulling channel, and the other end of the core column extends out of the core pulling channel. Through above-mentioned structure can be to stem spraying release agent, need not the manual work and carry out the spraying operation, need not prolong the time that the mould die sinking waited for the spraying stem specially, can improve production efficiency.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to a core-pulling spraying device and a die-casting die with the core-pulling spraying device.
Background
The die-casting die is mainly used for casting and producing metal parts, when in production, molten metal is poured into a cavity of the die, the metal parts with specific shapes are formed by utilizing the cavity, and in order to facilitate demoulding, a demoulding agent is sprayed into the cavity after the parts are taken out after the die is opened. The structure of some metal parts is comparatively complicated, has some hole groove structures of inclining with the die joint or vertical arrangement, needs to design some structure of loosing core, and the stem of the structure of loosing core need stretch into to the die cavity in. However, some core columns are difficult to spray the release agent through a spraying machine, so that the release agent can be sprayed only manually, the spraying effect is poor, the spraying efficiency is low, the mold opening waiting time of the mold is long, and the production efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a core-pulling spraying device which can spray a release agent on a core column and improve the production efficiency.
The utility model also provides a die-casting die with the core-pulling spraying device.
According to a first aspect of the present invention, there is provided a core back spray device comprising: the mounting body is provided with a mounting channel, and the mounting channel is inclined to the bottom surface of the mounting body; the core pulling assembly comprises a driving piece, a connecting column and a core column, wherein the driving piece is positioned at an opening on one side of the installation channel and is connected with the installation body, the connecting column is positioned at an opening on the other side of the installation channel, one end of the connecting column is connected with the driving piece, the other end of the connecting column is fixedly connected with one end of the core column, and the core column has a taper; the core piece is connected with the installation body and provided with a first spraying channel, a cavity part and a core pulling channel adaptive to the core column, a spraying hole communicated with the first spraying channel is formed in the inner wall of the core pulling channel, the core column is inserted into the core pulling channel, and the other end of the core column extends out of the core pulling channel.
According to the core-pulling spraying device in the first aspect of the utility model, the spraying holes are formed in both the inner top wall and the inner bottom wall of the first spraying channel.
According to the core-pulling spraying device in the first aspect of the utility model, the first spraying channel extends to the bottom surface of the core piece, and the mounting body is provided with the second spraying channel which is communicated with the first spraying channel in a vertical penetrating manner.
According to the core-pulling spraying device of the first aspect of the utility model, the sum of the cross-sectional areas of the spraying holes perpendicular to the axial direction thereof is not more than 30% of the cross-sectional area of the second spraying passage perpendicular to the axial direction thereof.
According to the core-pulling spraying device in the first aspect of the utility model, a limiting surface is arranged at the opening of the core-pulling channel on the core piece, and the end surface of the connecting column abuts against the limiting surface.
According to the core-pulling spraying device in the first aspect of the utility model, the side of the core piece facing the installation body is provided with the positioning groove, and the installation body is provided with the positioning part extending into the positioning groove.
According to the core-pulling spraying device in the first aspect of the utility model, the core-pulling spraying device further comprises an atomizing assembly located in the spraying hole, one end of the spraying hole is located on the inner wall of the core-pulling channel, the other end of the spraying hole extends to the outer surface of the core piece, the atomizing assembly comprises an atomizing head, a plug piece and a column rod, the atomizing head is inserted into an inner cavity at one end of the spraying hole, the plug piece is inserted into an inner cavity at the other end of the spraying hole, one end of the column rod is connected with the atomizing head, the other end of the column rod is connected with the plug piece, more than two spraying holes are formed in the plug piece, and the more than two spraying holes are arranged around the axial direction of the column rod.
According to the core-pulling spraying device in the first aspect of the utility model, the core-pulling spraying device further comprises an atomizing assembly located in the spraying hole, one end of the spraying hole is located on the inner wall of the core-pulling channel, the other end of the spraying hole extends to the outer surface of the core piece, the atomizing assembly comprises an atomizing head, a plug piece and a column rod, the atomizing head is inserted into an inner cavity at one end of the spraying hole, the plug piece is inserted into an inner cavity at the other end of the spraying hole, one end of the column rod is connected with the atomizing head, the other end of the column rod is connected with the plug piece, more than two dispersing notches are formed in the outer side wall of the plug piece, and the more than two dispersing notches are arranged around the axial direction of the column rod.
According to a second aspect of the utility model, there is provided a die casting mould comprising a core-pulling spray device as described above.
The scheme has at least one of the following beneficial effects: the core column can be sprayed with the release agent through the structure, manual spraying operation is not needed, the labor cost is reduced, and the spraying effect and the spraying efficiency can be optimized; the spraying operation can be carried out by utilizing the time of moving the core column to open the die, the waiting time of opening the die does not need to be specially prolonged for spraying the core column, and the production efficiency can be improved.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the accompanying drawings and examples;
FIG. 1 is a block diagram of a first embodiment of the present invention;
FIG. 2 is an exploded view of the first embodiment of the present invention;
FIG. 3 is an internal block diagram of the core piece shown in FIG. 1;
FIG. 4 is a schematic view of the mating of the core piece and atomizing assembly in a second embodiment of the present invention;
FIG. 5 is a schematic view of the mating of the pellet and atomizing assembly in a third embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 3, a core-pulling spraying device comprises a mounting body 10, a core-pulling assembly 20 and a core block piece 30, wherein a mounting channel 11 is arranged on the mounting body 10, and the mounting channel 11 is inclined to the bottom surface of the mounting body 10. The core pulling assembly 20 comprises a driving piece 21, a connecting column 22 and a core column 23, the driving piece 21 is located at an opening on one side of the installation channel 11 and is connected with the installation body 10, the connecting column 22 is located at an opening on the other side of the installation channel 11, one end of the connecting column 22 is connected with the driving piece 21, and the other end of the connecting column 22 is fixedly connected with one end of the core column 23. The stem 23 is tapered, i.e. the width of one end of the stem 23 is greater than the width of the other end thereof. The core piece 30 is connected with the mounting body 10, the core piece 30 is provided with a first spraying channel 31, a cavity part 32 and a core pulling channel 33 adaptive to the core column 23, the inner wall of the core pulling channel 33 is provided with a spraying hole 34 communicated with the first spraying channel 31, the core column 23 is inserted into the core pulling channel 33, the other end of the core column 23 extends out of the core pulling channel 33, and the core pulling channel 33 has a taper. The driving member 21 may be provided as a hydraulic cylinder or the like.
The surface of the core block piece 30 is a part of the inner wall of a die cavity of the die casting mold, during production, when the die casting mold is in a mold closing state, the other end of the core column 23 is located in the cavity, the side wall of the core column 23 is attached to the inner wall of the core pulling channel 33, the core column 23 shields the opening of the spraying hole 34, the release agent is left in the first spraying channel 31 and the spraying hole 34, and certain hydraulic pressure is applied to the release agent through external equipment (such as an infusion pump). When the mold is required to be opened, the driving piece 21 drives the connecting column 22 to move obliquely along the installation channel 11, so as to drive the core column 23 to move, so that the other end of the core column 23 retracts into the core-pulling channel 33, a gap is formed between the side wall of the core column 23 and the inner wall of the core-pulling channel 33, the opening of the spraying hole 34 is exposed, and under the action of hydraulic pressure, the mold release agent immediately flows out of the spraying hole 34 and is sprayed on the core column 23, so that the mold release agent can be coated on the core column 23. As above, the core column 23 can be sprayed with the release agent through the structure, manual spraying operation is not needed, labor cost is reduced, and spraying effect can be optimized; the spraying operation can be performed by utilizing the time for moving the core column 23 to open the mold, and the waiting time for opening the mold for spraying the core column 23 does not need to be specially prolonged, so that the production efficiency can be improved.
The interior roof and the interior diapire of first spraying passageway 31 all are equipped with this spraying hole 34 for the upper and lower both sides homoenergetic spraying release agent of stem 23 improves the homogeneity of spraying, optimizes the spraying effect.
The first spraying channel 31 extends to the bottom surface of the core piece 30, the mounting body 10 is provided with a second spraying channel 12 which is vertically communicated, the upper end of the second spraying channel 12 is communicated with the first spraying channel 31, the lower end of the second spraying channel is provided with a pipe joint 15, and a pipeline is arranged between the pipe joint 15 and external equipment. The pipe and the core block piece 30 can be separated by a certain distance through the structure, and the arrangement of the pipe is convenient. The top surface of the mounting body 10 is provided with a sealing groove 14, the sealing groove 14 is arranged around the upper end opening of the second spraying channel 12, and a sealing ring is arranged in the sealing groove 14 to prevent the release agent from leaking.
The sum of the sectional areas of the individual spray holes 34 perpendicular to the axial direction thereof is not more than 30% of the sectional area of the second spray passage 12 perpendicular to the axial direction thereof. The flow rate of the release agent when it is ejected out of the spray holes 34 can be increased, facilitating the dispersion of the release agent.
The core piece 30 is provided with a limiting surface 35, the limiting surface 35 is located at an opening of the core pulling channel 33, and the end surface of the connecting column 22 abuts against the limiting surface 35 to limit the moving stroke of the core column 23 and prevent the other end of the core column 23 from abutting against the inner wall of the cavity.
The side of the core piece 30 facing the mounting body 10 is provided with a positioning slot and the mounting body 10 is provided with a positioning portion 13 that extends into the positioning slot in order to align the core piece 30 with the mounting body 10 during assembly.
Referring to fig. 3, for convenience of processing, the first spray passage 31 and the spray holes 34 extend to the outer surface of the core member 30, and when assembled, a blocking member is inserted at the end portions of the first spray passage 31 and the spray holes 34 to restrict the release agent from flowing out.
Referring to fig. 4, in some embodiments, the core back spraying device further includes an atomizing assembly 40 located in the spraying hole 34, one end of the spraying hole 34 is located on an inner wall of the core back channel 33, and the other end of the spraying hole extends to an outer surface of the core piece 30, the atomizing assembly 40 includes an atomizing head 41, a plug piece 42 and a rod 43, the atomizing head 41 is inserted into an inner cavity of one end of the spraying hole 34, the plug piece 42 is inserted into an inner cavity of the other end of the spraying hole 34, one end of the rod 43 is connected to the atomizing head 41, the other end of the rod is connected to the plug piece 42, the plug piece 42 is provided with two or more spraying holes 44, and the two or more spraying holes 44 are arranged around an axial direction of the rod 43. The release agent flows into each spray hole 44 by the hydraulic pressure, and the release agent is dispersed and atomized through the spray holes 44, so that the release agent can be sprayed on the stem 23 more uniformly.
When the spray holes 44 are clogged, the atomizing assembly 40 can be removed to clean the clogged clothes.
Referring to fig. 5, in some embodiments, the atomizing assembly 40 has two or more discrete notches 45 formed in the outer side wall of the plug 42, and the two or more discrete notches 45 are disposed around the axial direction of the rod 43. The release agent flows into each dispersion notch 45 under the action of hydraulic pressure, and the release agent is dispersed and atomized through the dispersion notches 45, so that the release agent can be more uniformly sprayed on the stem 23.
In the above embodiment, the plug 42 and the core block 30 may be connected in a screw-fit manner, that is, an inner cavity wall at the other end of the spraying hole 34 is provided with an inner screw thread, and the plug 42 is provided with an outer screw thread matched with the inner screw thread, so as to facilitate the assembly and disassembly of the plug 42, and further facilitate the assembly and disassembly of the atomizing assembly 40.
The utility model also provides a die-casting die which comprises the core-pulling spraying device. Specifically, the mounting body 10 of the core-pulling spraying device is arranged on a movable die of the die-casting die.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (9)
1. A core-pulling spraying device is characterized by comprising:
the mounting body is provided with a mounting channel, and the mounting channel is inclined to the bottom surface of the mounting body;
the core pulling assembly comprises a driving piece, a connecting column and a core column, wherein the driving piece is positioned at an opening on one side of the installation channel and is connected with the installation body, the connecting column is positioned at an opening on the other side of the installation channel, one end of the connecting column is connected with the driving piece, the other end of the connecting column is fixedly connected with one end of the core column, and the core column has a taper;
the core piece is connected with the installation body and provided with a first spraying channel, a cavity part and a core pulling channel adaptive to the core column, a spraying hole communicated with the first spraying channel is formed in the inner wall of the core pulling channel, the core column is inserted into the core pulling channel, and the other end of the core column extends out of the core pulling channel.
2. The core back spraying device according to claim 1, wherein the inner top wall and the inner bottom wall of the first spraying channel are provided with the spraying holes.
3. The core pulling spraying device according to claim 2, wherein the first spraying channel extends to the bottom surface of the core block piece, and a second spraying channel which penetrates through the mounting body from top to bottom and is communicated with the first spraying channel is arranged on the mounting body.
4. The core back spray assembly of claim 3, wherein the sum of the cross-sectional areas of the spray holes perpendicular to the axial direction thereof is no more than 30% of the cross-sectional area of the second spray passage perpendicular to the axial direction thereof.
5. The core pulling spraying device according to claim 1, wherein a limiting surface is arranged at an opening of the core pulling channel on the core piece, and the end surface of the connecting column abuts against the limiting surface.
6. The core pulling spraying device according to claim 1, wherein a positioning groove is formed in one side, facing the mounting body, of the core piece, and a positioning portion extending into the positioning groove is formed in the mounting body.
7. The core pulling spraying device according to claim 1, further comprising an atomizing assembly located in the spraying hole, one end of the spraying hole is located on the inner wall of the core pulling channel, the other end of the spraying hole extends to the outer surface of the core piece, the atomizing assembly comprises an atomizing head, a plug piece and a column rod, the atomizing head is inserted into an inner cavity of one end of the spraying hole, the plug piece is inserted into an inner cavity of the other end of the spraying hole, one end of the column rod is connected with the atomizing head, the other end of the column rod is connected with the plug piece, the plug piece is provided with more than two spraying holes, and the more than two spraying holes are arranged around the axial direction of the column rod.
8. The core pulling spraying device according to claim 1, further comprising an atomizing assembly located in the spraying hole, one end of the spraying hole is located on the inner wall of the core pulling channel, the other end of the spraying hole extends to the outer surface of the core piece, the atomizing assembly comprises an atomizing head, a plug piece and a column rod, the atomizing head is inserted into an inner cavity of one end of the spraying hole, the plug piece is inserted into an inner cavity of the other end of the spraying hole, one end of the column rod is connected with the atomizing head, the other end of the column rod is connected with the plug piece, more than two dispersing notches are formed in the outer side wall of the plug piece, and the more than two dispersing notches are arranged around the axial direction of the column rod.
9. Die casting mould, characterized in that it comprises a core-pulling spray device according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122116936.9U CN215657752U (en) | 2021-09-03 | 2021-09-03 | Core-pulling spraying device and die-casting die with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122116936.9U CN215657752U (en) | 2021-09-03 | 2021-09-03 | Core-pulling spraying device and die-casting die with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215657752U true CN215657752U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122116936.9U Active CN215657752U (en) | 2021-09-03 | 2021-09-03 | Core-pulling spraying device and die-casting die with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215657752U (en) |
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2021
- 2021-09-03 CN CN202122116936.9U patent/CN215657752U/en active Active
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