CN212121578U - Vacuum pump frame psammitolite mould - Google Patents
Vacuum pump frame psammitolite mould Download PDFInfo
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- CN212121578U CN212121578U CN202020726209.7U CN202020726209U CN212121578U CN 212121578 U CN212121578 U CN 212121578U CN 202020726209 U CN202020726209 U CN 202020726209U CN 212121578 U CN212121578 U CN 212121578U
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- adjusting block
- vacuum pump
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- gap
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Abstract
The utility model discloses a vacuum pump frame psammitolite mould, including polylith template, polylith the template connects gradually and forms the die cavity that is used for shaping vacuum pump base psammitolite, its characterized in that: a demoulding gap is formed between the adjacent templates; an embedded groove is formed in the contact surface of one template, an adjusting block is detachably and fixedly arranged in the embedded groove, the top surface of the adjusting block is slightly higher than the contact surface of the template, and the top surface of the adjusting block props against the other template, so that the demolding gap is formed between the adjacent templates; and the top surface of the adjusting block is higher than the contact surface of the template, and the size of the adjusting block is adjustable and is used for adjusting the size of the demoulding gap. Has the advantages of convenient demoulding, adjustability and convenient operation.
Description
Technical Field
The utility model relates to the technical field of mold, concretely relates to vacuum pump frame psammitolite mould.
Background
The sand core is a material for manufacturing a core in casting production and consists of casting sand, a molding sand binder and the like. For some sand cores with larger sizes (such as vacuum pump base sand cores), the problem of difficult demoulding exists after the forming due to the existence of expansion with heat and contraction with cold (under the condition of a certain expansion with heat and contraction with cold coefficient, the larger the size is, the larger the absolute value of the expansion with heat and the contraction with cold is). In order to solve the problems, a demoulding gap is generally arranged between the mould plates of the mould so as to reduce the influence of the thermal expansion and contraction phenomena of the sand core on the demoulding of the mould. However, the core material has different coefficients of expansion and contraction due to batch, type, etc., and therefore, it is necessary to provide different sizes of release gaps, and in the prior art, in order to change the size of the release gap, the contact surface of the mold plate is generally ground, so that the release gap can be increased. The grinding operation of the template is then irreversible and the release gap can no longer be reduced. And the grinding operation has high labor intensity and low efficiency.
Therefore, how to improve the existing large sand core mold to overcome the above disadvantages is a problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be convenient for the drawing of patterns, and have adjustability, convenient operation's vacuum pump frame psammitolite mould.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a vacuum pump frame psammitolite mould, includes polylith template, polylith the template connects gradually and forms the die cavity that is used for shaping vacuum pump base psammitolite, its characterized in that: a demoulding gap is formed between the adjacent templates; an embedded groove is formed in the contact surface of one template, an adjusting block is detachably and fixedly arranged in the embedded groove, the top surface of the adjusting block is slightly higher than the contact surface of the template, and the top surface of the adjusting block props against the other template, so that the demolding gap is formed between the adjacent templates; and the top surface of the adjusting block is higher than the contact surface of the template, and the size of the adjusting block is adjustable and is used for adjusting the size of the demoulding gap.
In one embodiment, a sheet is embedded between the adjusting block and the mold plate, and the sheets with different thicknesses are embedded for adjusting the size of the demolding gap.
As another embodiment, the vacuum pump base sand core mold is provided with a plurality of adjusting blocks with different thicknesses, and the adjusting blocks with different thicknesses are installed for adjusting the size of the demolding gap.
Preferably, the adjusting block and the template are fixed by a fastening bolt, and the fastening bolt is embedded in the adjusting block. The fixing mode of the bolt is simple and reliable, and the installation and the disassembly are convenient.
Compared with the prior art, the utility model has the advantages of: this scheme is through the setting of dismantling of regulating block for adjust the size in drawing of patterns clearance, with the shaping drawing of patterns needs that adapts to the psammitolite material of different expend with heat and contract with cold coefficients. The adjusting mode of this scheme convenient operation moreover, and can not cause the injury to mould itself.
Drawings
Fig. 1 is a schematic perspective view of a preferred embodiment of the present invention;
fig. 2 is an exploded view of a preferred embodiment according to the present invention;
fig. 3 is a schematic perspective view of an adjusting block mounted on a form according to a preferred embodiment of the present invention;
fig. 4 is a top view of a preferred embodiment according to the present invention;
fig. 5 is a cross-sectional view taken along a-a in fig. 4 according to a preferred embodiment of the present invention;
fig. 6 is an enlarged view of fig. 5 at B according to a preferred embodiment of the present invention;
fig. 7 is a schematic view showing a structure of a thin sheet inserted between the regulating block and the mold plate according to a preferred embodiment of the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.
As shown in fig. 1 to 7, it is a preferred embodiment of the present invention, comprising four front, rear, left and right mold plates 1, which are connected in sequence to form a cavity 2 for molding a sand core of a vacuum pump base, wherein a mold release gap 3 is provided between the adjacent mold plates; an embedded groove 4 is formed in the contact surface of one template, an adjusting block 5 is detachably and fixedly arranged in the embedded groove 4, the top surface of the adjusting block 5 is slightly higher than the contact surface of the template 1, and the top surface of the adjusting block 5 props against the other template 1, so that a demolding gap 3 is formed between the adjacent templates 1; and the top surface of the adjusting block 5 is higher than the contact surface of the template 1, and the size of the adjusting block is adjustable and is used for adjusting the size of the demoulding gap 3.
The embodiment provides the method for adjusting the demoulding gap 3, which is convenient to operate and low in cost. Specifically, a sheet 6 is embedded between the adjusting block 5 and the template 1, and sheets 6 with different thicknesses are embedded for adjusting the size of the demoulding gap 3.
In this embodiment, the adjusting block 5 and the formwork 1 are fixed by the fastening bolt 7, and the fastening bolt 7 is embedded in the adjusting block 5.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a vacuum pump frame psammitolite mould, includes polylith template, polylith the template connects gradually and forms the die cavity that is used for shaping vacuum pump base psammitolite, its characterized in that: a demoulding gap is formed between the adjacent templates; an embedded groove is formed in the contact surface of one template, an adjusting block is detachably and fixedly arranged in the embedded groove, the top surface of the adjusting block is slightly higher than the contact surface of the template, and the top surface of the adjusting block props against the other template, so that the demolding gap is formed between the adjacent templates; and the top surface of the adjusting block is higher than the contact surface of the template, and the size of the adjusting block is adjustable and is used for adjusting the size of the demoulding gap.
2. The vacuum pump stand sand core mold of claim 1, wherein: and a sheet is embedded between the adjusting block and the template, and the sheets with different thicknesses are embedded for adjusting the size of the demoulding gap.
3. The vacuum pump base sand core mold of claim 1, wherein: the vacuum pump base sand core mold is provided with a plurality of adjusting blocks with different thicknesses, and the adjusting blocks with different thicknesses are installed to adjust the size of the demolding gap.
4. The vacuum pump stand sand core mold of claim 1, wherein: the adjusting block and the template are fixed through fastening bolts, and the fastening bolts are embedded in the adjusting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020726209.7U CN212121578U (en) | 2020-05-06 | 2020-05-06 | Vacuum pump frame psammitolite mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020726209.7U CN212121578U (en) | 2020-05-06 | 2020-05-06 | Vacuum pump frame psammitolite mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212121578U true CN212121578U (en) | 2020-12-11 |
Family
ID=73694227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020726209.7U Active CN212121578U (en) | 2020-05-06 | 2020-05-06 | Vacuum pump frame psammitolite mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212121578U (en) |
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2020
- 2020-05-06 CN CN202020726209.7U patent/CN212121578U/en active Active
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