CN212793021U - Precision type screw mold processing - Google Patents
Precision type screw mold processing Download PDFInfo
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- CN212793021U CN212793021U CN202020643889.6U CN202020643889U CN212793021U CN 212793021 U CN212793021 U CN 212793021U CN 202020643889 U CN202020643889 U CN 202020643889U CN 212793021 U CN212793021 U CN 212793021U
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Abstract
The utility model discloses a precise screw processing die, which comprises a die shell and a die core component; a cavity is formed in the formwork; the die core part is arranged in the cavity, a die core hole extending along the axial direction and used for screw forming is formed in the die core part, a plurality of steps are formed on the inner wall of the die core hole, and the inner diameter of the die core hole is gradually reduced from top to bottom. According to the utility model provides a precision type screw mold processing, simple structure, easy dismounting, simultaneously, can produce the screw thread of many steps, the practicality is good.
Description
Technical Field
The utility model relates to the field of dies, especially, relate to a precision type screw mold processing.
Background
In the prior art, a screw mold is needed to process the whole shape of a screw in the screw processing process, and then the screw thread of the screw is processed, but the existing screw forming mold is too complex in structure and can only be processed into a screw with a single step, so that the use is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model aims to provide an accurate type screw mold processing.
In order to achieve the above object, according to the utility model discloses accurate type screw mold processing, include:
the inner part of the mould shell is provided with a cavity;
the screw forming die comprises a die core part, wherein the die core part is arranged in the cavity and provided with a die core hole extending along the axial direction and used for screw forming, a plurality of steps are formed on the inner wall of the die core hole, and the inner diameter of the die core hole is gradually reduced from top to bottom.
According to the utility model provides a precision type screw mold processing, simple structure, easy dismounting, simultaneously, can produce the screw thread of many steps, the practicality is good.
In addition, according to the utility model discloses precision type screw mold processing of above-mentioned embodiment can also have following additional technical characterstic:
according to an embodiment of the present invention, the cavity includes an upper cavity and a lower cavity;
the mold core component comprises a mold core component and a back cushion, the mold core component is arranged in the upper cavity, and the mold core hole is formed in the mold core component; the back cushion is arranged in the lower cavity and is abutted against the lower end of the mold core component.
According to an embodiment of the present invention, the mold core assembly comprises a sleeve, a sleeve piece and a mold core;
the sleeving piece is of a C-shaped structure, is arranged in the upper cavity and abuts against the rear cushion;
the sleeve sheet is arranged in the sleeve piece;
the mold core is arranged in the sleeving piece, is positioned below the sleeving piece and is connected with the sleeving piece;
the die core hole comprises an upper hole and a lower hole, the upper hole and the lower hole are coaxially arranged and are communicated with each other, and the inner diameter of the upper hole is larger than that of the lower hole; the upper hole is arranged on the sleeve, and the lower hole is arranged on the mold core.
According to an embodiment of the present invention, the mold core comprises an upper mold core and a lower mold core;
the upper mold core and the lower mold core are arranged in the sleeving piece, the upper mold core is connected with the lower mold core, and the lower mold core is abutted to the rear cushion;
the lower hole comprises a first lower hole and a second lower hole, the first lower hole is formed in the upper mold core, the second lower hole is formed in the lower mold core, and the inner diameter of the second lower hole is larger than that of the first lower hole.
According to the utility model discloses an embodiment, the upper end of first lower hole is provided with the first chamfer portion that is used for chamfering the screw.
According to the utility model discloses an in the embodiment, the upper end of second lower hole is provided with the second chamfer portion that is used for chamfering the screw.
According to the utility model discloses an embodiment, set up a through-hole that extends along axial direction in the back pad, the through-hole with the mold core hole sets up coaxially, and the internal diameter is greater than the internal diameter in mold core hole.
According to an embodiment of the present invention, a step portion is disposed in the middle of the lower cavity, and the inner diameter of the upper end of the lower cavity is larger than the inner diameter of the lower end;
the outer diameter of the upper end of the rear cushion is larger than that of the lower end of the rear cushion.
Drawings
Figure 1 is a cross-sectional view of an embodiment of the invention;
FIG. 2 is a cross-sectional view of an exploded structure of an embodiment of the present invention;
fig. 3 is a first schematic structural diagram of an embodiment of the present invention;
fig. 4 is a schematic structural diagram ii according to an embodiment of the present invention.
Reference numerals:
a mold shell 10;
an upper cavity 11;
a lower cavity 12;
a core member 20;
a core assembly 21;
the sheathing member 211;
a nest plate 212;
a mold core 213;
an upper die core 2131;
a first chamfered portion 21311;
a lower die core 2132;
a second chamfered portion 21321;
a rear pad 22;
a through-hole 221;
a die core hole 23;
an upper hole 231;
a first lower aperture 232;
a second lower hole 233;
a screw 30.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1 to 4, an embodiment of the present invention provides a precision screw processing mold, including a mold shell 10 and a mold core component 20;
specifically, a cavity is arranged inside the formwork 10;
the mold core part 20 is arranged in the cavity, a mold core hole 23 extending along the axial direction and used for screw forming is formed in the mold core part 20, a plurality of steps are formed on the inner wall of the mold core hole 23, and the inner diameter of the mold core hole 23 is gradually reduced from top to bottom.
That is to say, the cavity inside the mold shell 10 is used for installing the core part 20, and then the screw 30 is produced through the core part 20, specifically, the core part 20 is used as a turning tool, the core hole 23 formed on the core part 20 is adapted to the shape of the screw 30, and is used for forming the screw 30, when the screw 30 is produced, the material for producing the screw 30 is driven by the clamp to be slowly and gradually inserted into the core hole 23 from top to bottom, so that the material can be turned into the screw 30 prototype, and since the inner wall of the core hole 23 is formed with a plurality of steps, the turned formed screw 30 also has a corresponding plurality of steps.
According to the utility model provides a precision type screw mold processing, simple structure, easy dismounting, simultaneously, can produce the screw thread of many steps, the practicality is good.
Advantageously, in one embodiment of the present invention, the cavity comprises an upper cavity 11 and a lower cavity 12;
the mold core part 20 comprises a mold core component 21 and a back cushion 22, the mold core component 21 is arranged in the upper cavity 11, and a mold core hole 23 is formed in the mold core component 21; the back cushion 22 is disposed in the lower cavity 12 and abuts against the lower end of the core assembly 21.
That is to say, mold core assembly 21 and back-up 22 are respectively up and down side by side set up in last cavity 11 and lower cavity 12 of mould shell 10, and back-up 22 that sets up in cavity 12 down can support core subassembly 20, and during specific equipment, can utilize the oil pressure mode to install fixedly, like this, make mold core and back-up 22 easy dismounting, safety, be favorable to production.
Advantageously, in one embodiment of the present invention, the core assembly 21 comprises a sleeve 211, a sleeve piece 212 and a core 213;
the sheathing member 211 has a C-shaped structure, is disposed in the upper cavity 11, and abuts against the rear pad 22;
the sleeve sheet 212 is arranged in the sleeve 211;
the mold core 213 is disposed in the sleeve 211, is located below the sleeve piece 212, and is connected to the sleeve piece 212;
the die core hole 23 comprises an upper hole 231 and a lower hole, the upper hole 231 and the lower hole are coaxially arranged and are communicated with each other, a step surface is arranged in the upper hole 231, and the inner diameter of the upper hole 231 is larger than that of the lower hole; the upper hole 231 is disposed on the sleeve 212 and the lower hole is disposed on the core 213.
That is, the set piece 211 and the core 213 are integrally installed using the set piece 211 of a C-shaped structure, so that the set piece 211, the set piece 212 and the core 213 are integrally formed, which facilitates the integral installation of the core assembly 21. The upper hole 231 on the sleeve 212 and the lower hole on the core 213 work together to form the screw structure. And the internal diameter of the upper hole 231 is greater than the lower hole, and a step surface is arranged in the upper hole 231, so that when the screw 30 is processed, a first-stage step can be processed by using the sleeve sheet 212, and in addition, the internal diameter of the upper hole 231 is greater than the lower hole, so that a second-stage step can be formed, and correspondingly, a second-stage step can be processed on the screw 30.
Advantageously, in another embodiment of the present invention, mold core 213 comprises an upper mold core 2131 and a lower mold core 2132;
the upper mold core 2131 and the lower mold core 2132 are arranged in the sheathing piece 211, the upper mold core 2131 is connected with the lower mold core 2132, and the lower mold core 2132 abuts against the rear pad 22;
the lower holes include a first lower hole 232 and a second lower hole 233, the first lower hole 232 is opened on the upper mold core 2131, the second lower hole 233 is opened on the lower mold core 2132, and the inner diameter of the second lower hole 233 is larger than that of the first lower hole 232.
Therefore, the size of the holes formed in the upper mold core 2131 and the lower mold core 2132 is different, that is, three steps are formed between the upper mold core 2131 and the lower mold core 2132, and accordingly, the three steps can be processed on the screw 30.
Advantageously, in some embodiments of the present invention, the upper end of the first lower hole 232 is provided with a first chamfer 21311 for chamfering the screw.
Preferably, the upper end of the second lower hole 233 is provided with a second chamfered portion 21321 for chamfering the screw.
In this way, the screw 30 can be chamfered by the first and second chamfered portions 21311 and 21321, so that it is not necessary to perform chamfering in the subsequent processing, and the processing can be simplified and the processing time can be shortened.
Advantageously, in other embodiments of the present invention, a through hole 221 extending in the axial direction is formed in the rear pad 22, the through hole 221 is disposed coaxially with the core hole 23, and the inner diameter is larger than the inner diameter of the core hole 23.
In this way, the chips generated by the machining can be discharged from the through hole 221 on the back pad 22, and the chips are prevented from accumulating to damage the die.
Advantageously, in still other embodiments of the present invention, a step portion is provided in the middle of the lower cavity 12, and the inner diameter of the upper end of the lower cavity 12 is larger than that of the lower end;
the outer diameter of the upper end of the rear pad 22 is larger than that of the lower end.
That is, the lower cavity 12 is a structure with a large top and a small bottom, and the rear pad 22 is a T-shaped structure adapted to the structure, so that the rear pad 22 can be supported, the rear pad 22 can be conveniently mounted, and the rear pad is not easy to separate from the lower cavity 12.
Preferably, a step portion is also provided in the upper cavity 11, so that the mold core assembly 21 can be supported, and the installation of the mold core assembly 21 is facilitated.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.
Claims (8)
1. The utility model provides a precision type screw mold processing which characterized in that includes:
the inner part of the mould shell is provided with a cavity;
the screw forming die comprises a die core part, wherein the die core part is arranged in the cavity and provided with a die core hole extending along the axial direction and used for screw forming, a plurality of steps are formed on the inner wall of the die core hole, and the inner diameter of the die core hole is gradually reduced from top to bottom.
2. The precision type screw machining die of claim 1, wherein the cavity comprises an upper cavity and a lower cavity;
the mold core component comprises a mold core component and a back cushion, the mold core component is arranged in the upper cavity, and the mold core hole is formed in the mold core component; the back cushion is arranged in the lower cavity and is abutted against the lower end of the mold core component.
3. The precision type screw machining mold according to claim 2, wherein the mold core assembly comprises a sleeve, a sleeve piece and a mold core;
the sleeving piece is of a C-shaped structure, is arranged in the upper cavity and abuts against the rear cushion;
the sleeve sheet is arranged in the sleeve piece;
the mold core is arranged in the sleeving piece, is positioned below the sleeving piece and is connected with the sleeving piece;
the die core hole comprises an upper hole and a lower hole, the upper hole and the lower hole are coaxially arranged and are communicated with each other, and the inner diameter of the upper hole is larger than that of the lower hole; the upper hole is arranged on the sleeve, and the lower hole is arranged on the mold core.
4. The precision type screw processing mold according to claim 3, wherein the mold core comprises an upper mold core and a lower mold core;
the upper mold core and the lower mold core are arranged in the sleeving piece, the upper mold core is connected with the lower mold core, and the lower mold core is abutted to the rear cushion;
the lower hole comprises a first lower hole and a second lower hole, the first lower hole is formed in the upper mold core, the second lower hole is formed in the lower mold core, and the inner diameter of the second lower hole is larger than that of the first lower hole.
5. The precision type screw processing mold according to claim 4, wherein an upper end of the first lower hole is provided with a first chamfer portion for chamfering a screw.
6. The precision type screw processing mold according to claim 4, wherein an upper end of the second lower hole is provided with a second chamfer portion for chamfering the screw.
7. The precision type screw processing mold according to claim 5, wherein a through hole extending in an axial direction is formed in the back pad, the through hole is disposed coaxially with the core hole, and an inner diameter is larger than an inner diameter of the core hole.
8. The precision type screw processing mold according to claim 5, wherein a step is provided in the middle of the lower cavity, and the inner diameter of the upper end of the lower cavity is larger than the inner diameter of the lower end;
the outer diameter of the upper end of the rear cushion is larger than that of the lower end of the rear cushion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020643889.6U CN212793021U (en) | 2020-04-24 | 2020-04-24 | Precision type screw mold processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020643889.6U CN212793021U (en) | 2020-04-24 | 2020-04-24 | Precision type screw mold processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212793021U true CN212793021U (en) | 2021-03-26 |
Family
ID=75079590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020643889.6U Active CN212793021U (en) | 2020-04-24 | 2020-04-24 | Precision type screw mold processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212793021U (en) |
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2020
- 2020-04-24 CN CN202020643889.6U patent/CN212793021U/en active Active
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