CN111468661B - Nut mould - Google Patents
Nut mould Download PDFInfo
- Publication number
- CN111468661B CN111468661B CN202010417074.0A CN202010417074A CN111468661B CN 111468661 B CN111468661 B CN 111468661B CN 202010417074 A CN202010417074 A CN 202010417074A CN 111468661 B CN111468661 B CN 111468661B
- Authority
- CN
- China
- Prior art keywords
- boss
- hole
- fixed seat
- nut
- locating hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 240000009087 Crescentia cujete Species 0.000 claims description 2
- 235000005983 Crescentia cujete Nutrition 0.000 claims description 2
- 235000009797 Lagenaria vulgaris Nutrition 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000035699 permeability Effects 0.000 description 5
- 241000251468 Actinopterygii Species 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/64—Making machine elements nuts
Abstract
The invention provides a nut die which comprises a die body, wherein the die body comprises a first boss, a fixed seat and a second boss, a groove is formed in the middle of the first boss, a cylinder is arranged in the groove, a first through hole is formed in the cylinder, the first through hole extends downwards to the bottom of the fixed seat, a step is formed in the bottom of the first through hole, a second through hole is formed below the first through hole, the fixed seat is vertically arranged below the first boss, a plurality of positioning holes are formed in the upper side and the lower side of the fixed seat, the center of the first boss and the center of the second boss are located on the same axis, the second through hole is located in the second boss, a plurality of air holes are uniformly formed in the periphery of the outer wall of the second boss, and the air holes are communicated with the second through hole. The nut die is simple in structure and convenient to manufacture; the installation is convenient and the disassembly is convenient; meanwhile, the transportation is convenient, and the transportation cost is reduced.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to a nut die.
Background
In the nut processing process, a wire rod is usually selected firstly, after acid pickling and cold drawing, one end of the wire rod is connected to a feeding part of a cold header, a hexagonal blank with a corresponding size can be punched according to a die in the cold header, the middle of the hexagonal blank is provided with a hole, the form of the hexagonal blank is the same as that of a common hexagonal nut, and the hexagonal blank cannot be formed at one time by an old cold header and can be punched. At present, in the nut processing process, the nut is generally forged and pressed into a rectangle, then the nut is manufactured into a required shape through a processing means of sawing or grinding, in order to improve the production efficiency and the finished product performance of the nut, a nut die which needs to be matched with a punch is designed, but the punch has the problem of positioning deviation in the processing process, and the manufacturing mode has low production efficiency and poor performance of the manufactured finished product, so that the quality of the finished nut product is unstable; the existing nut die has poor air permeability, and the product quality during product processing is influenced.
In order to solve the problems, the invention provides the nut die which is simple in structure, reduces vibration, solves the problem of positioning deviation of the punch in the machining process, improves the production efficiency, ensures the product quality, simplifies the process, effectively controls the cost and reduces the labor intensity of personnel.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the nut die which is simple in structure, convenient to manufacture, good in stability, capable of improving the production efficiency and capable of ensuring the product quality.
In order to achieve the purpose, the invention provides a nut die, which comprises a die body, wherein the die body comprises a first boss, a fixed seat and a second boss, the upper end of the die body is provided with the first boss, the middle of the first boss is provided with a groove, a cylinder is arranged in the groove, a first through hole is arranged in the cylinder, the first through hole extends downwards to the bottom of the fixed seat, the bottom of the first through hole is provided with a step, a second through hole is arranged below the first through hole, the fixed seat is vertically arranged below the first boss, the upper side and the lower side of the fixed seat are provided with a plurality of positioning holes, the second boss is vertically arranged below the fixed seat, the center of the first boss and the center of the second boss are positioned on the same axis, the second through hole is positioned in the second boss, a plurality of vent holes are uniformly arranged on the periphery of the outer wall of the second boss, the air holes are communicated with the second through holes.
Preferably, the first boss and the second boss are both cylindrical, and the cross section of the first through hole is pentagonal.
Preferably, the size of the second boss is larger than that of the first boss, and the width of the fixing seat is larger than the diameter of the second boss, so that the stability in connection is improved.
Preferably, four angles of fixing base be equipped with the chamfer, the front side upper end of fixing base be equipped with the arc, avoid having dangers such as fish tail when contact mould body.
Preferably, the number of the positioning holes is 8, the positioning holes are uniformly arranged on the fixing seat and are gourd-shaped, the positioning holes comprise large positioning holes and small positioning holes, the small positioning holes extend downwards to the bottom of the second boss, and the large positioning holes extend downwards to the bottom of the fixing seat. The positioning is strengthened, and the phenomenon that the positioning part is not tight due to impact or friction and the die body is loosened to further influence the quality of a machined part is prevented.
Preferably, the air holes are conical, and the included angle between the air holes and the second through holes is 30-45 degrees.
The invention has the beneficial effects that: according to the invention, the upper end of the die body is provided with the first boss, the lower end of the die body is provided with the second boss, the size of the second boss is larger than that of the first boss, the fixed seat is vertically arranged between the first boss and the second boss, the width of the fixed seat is larger than the diameter of the second boss, the fixed seat is provided with a plurality of positioning holes, the positioning holes comprise large positioning holes and small positioning holes, the large positioning holes extend downwards to the bottom of the second boss, the small positioning holes extend to the bottom of the fixed seat, the connection of the two positioning holes ensures the stable operation of a working environment, and the phenomenon that the product quality is reduced due to the fact that a punch is improperly connected with the die body is avoided; the step is arranged below the first through hole, so that the raw material can be stabilized in the first through hole, and the phenomenon that a product is separated from a die body under the action of a stamping die to generate potential safety hazards is avoided; the second through hole is formed at the lower end of the first through hole, the plurality of air holes are formed in the periphery of the outer wall of the second boss and communicated with the second through hole, so that the air permeability range is enlarged, the air permeability of a processed product is improved, and the quality of the processed product is improved; four angles at the fixing base set up to convex chamfer, set up the arcwall face in the upper end of fixing base, avoid having dangers such as fish tail at the contact die body.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
Drawings
FIG. 1 is a cross-sectional view of a nut mold of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a front view of the nut die.
In the figure: 1-a first boss, 2-a fixed seat, 3-a second boss, 4-a first through hole, 10-a die body, 11-a groove, 12-a cylinder, 21-a positioning hole, 22-a chamfer, 23-an arc surface, 31-an air hole, 41-a step, 42-a second through hole, 211-a large positioning hole and 212-a small positioning hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 to 3, the present invention provides a nut mold, which includes a mold body 10, wherein the mold body 10 includes a first boss 1, a fixing seat 2, and a second boss 3, the upper end of the mold body 10 is provided with the first boss 1, a groove 11 is provided in the middle of the first boss 1, a cylinder 12 is provided in the groove 11, a first through hole 4 is provided in the cylinder 12, the first through hole 4 extends downward to the bottom of the fixing seat 2, the bottom of the first through hole 4 is provided with a step 41, a second through hole 42 is provided below the first through hole 4, the fixing seat 2 is vertically provided below the first boss 1, a plurality of positioning holes 21 are provided on the upper and lower sides of the fixing seat 2, the second boss 3 is vertically provided below the fixing seat 2, the center of the first boss 1 and the center of the second boss 3 are located on the same axis, second through-hole 42 be located second boss 3, outer wall a week of second boss 3 evenly be provided with a plurality of bleeder vent 31, bleeder vent 31 communicate with each other with second through-hole 42, first boss 1 and second boss 3 be drum 12 shapes, the cross-section of first through-hole 4 be the pentagon, the size of second boss 3 be greater than the size of first boss 1, the width of fixing base 2 be greater than the diameter of second boss 3. Stability when increasing the connection, four angles of fixing base 2 be equipped with chamfer 22, the front side upper end of fixing base 2 be equipped with arc 23, the quantity of locating hole 21 be 8, locating hole 21 align to grid on fixing base 2, locating hole 21 be calabash shape, locating hole 21 include big locating hole 212 and little locating hole 211, little locating hole 211 downwardly extending to the bottom of second boss 3, big locating hole 212 downwardly extending to the bottom of fixing base 2, bleeder vent 31 be conical, bleeder vent 31 and second through hole 42 between the contained angle be 30-45 degrees.
By adopting the technical scheme, the upper end of the die body 10 is provided with the first boss 1, the lower end of the die body 10 is provided with the second boss 3, the size of the second boss 3 is larger than that of the first boss 1, the fixed seat 2 is vertically arranged between the first boss 1 and the second boss 3, the width of the fixed seat 2 is larger than the diameter of the second boss 3, the fixed seat 2 is provided with a plurality of positioning holes 21, each positioning hole 21 comprises a large positioning hole 212 and a small positioning hole 211, the small positioning hole 211 extends downwards to the bottom of the second boss 3, the large positioning hole 212 extends to the bottom of the fixed seat 2, the connection of the two positioning holes ensures the stable operation of the working environment, and the phenomenon that the product quality is reduced due to the fact that the punch is improperly connected with the die body 10 and vibration is generated is avoided; the step 41 is arranged below the first through hole 1, so that raw materials can be stabilized in the first through hole 4, and the situation that a product is separated from the die body 10 under the action of a stamping die to generate potential safety hazards is avoided; the second through hole 42 is arranged at the lower end of the first through hole 4, the plurality of air holes 31 are formed in the periphery of the outer wall of the second boss 3, and the air holes 31 are communicated with the second through hole 42, so that the air permeability range is increased, the air permeability of a processed product is improved, and the quality of the processed product is improved; four angles at fixing base 2 set up to arc chamfer 22, set up arcwall face 23 in fixing base 2's upper end, avoid having dangers such as fish tail when contacting mould body 10.
The working process of the invention is as follows:
in the working process of the nut die, the die body 10 is placed in the die seat and fixed through the positioning hole 21, a workpiece is placed in the first through hole 4, and the nut is formed at one time under the action of the stamping module and the cooperation of the second through hole 42 and the air vent 31, so that the working efficiency is improved, and the production cost is reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (3)
1. The utility model provides a nut mould which characterized in that: comprises a die body (10), wherein the die body (10) comprises a first boss (1), a fixed seat (2) and a second boss (3), the first boss (1) is arranged at the upper end of the die body (10), a groove (11) is formed in the middle of the first boss (1), a cylinder (12) is arranged in the groove (11), a first through hole (4) is formed in the cylinder (12), the first through hole (4) extends downwards to the bottom of the fixed seat (2), a step (41) is arranged at the bottom of the first through hole (4), a second through hole (42) is arranged below the first through hole (4), the fixed seat (2) is vertically arranged below the first boss (1), a plurality of positioning holes (21) are formed in the upper side and the lower side of the fixed seat (2), and the second boss (3) is vertically arranged below the fixed seat (2), the center of first boss (1) and the center of second boss (3) be located same axis, second through-hole (42) be located second boss (3), the outer wall a week of second boss (3) evenly be provided with a plurality of bleeder vent (31), bleeder vent (31) communicate with each other with second through-hole (42), four angles of fixing base (2) be equipped with chamfer (22), the front side upper end of fixing base (2) be equipped with arcwall face (23), the quantity of locating hole (21) be 8, locating hole (21) align to grid on fixing base (2), locating hole (21) be the calabash shape, locating hole (21) including big locating hole (212) and little locating hole (211), little locating hole (211) extend to the bottom of second boss (3) downwards, big locating hole (212) extend to the bottom of fixing base (2) downwards, the air holes (31) are conical, and the included angle between the air holes (31) and the second through holes (42) is 30-45 degrees.
2. A nut die as defined in claim 1, wherein: the first boss (1) and the second boss (3) are both cylindrical, and the cross section of the first through hole (4) is pentagonal.
3. A nut die as defined in claim 1, wherein: the size of the second boss (3) is larger than that of the first boss (1), and the width of the fixed seat (2) is larger than the diameter of the second boss (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010417074.0A CN111468661B (en) | 2020-05-18 | 2020-05-18 | Nut mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010417074.0A CN111468661B (en) | 2020-05-18 | 2020-05-18 | Nut mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111468661A CN111468661A (en) | 2020-07-31 |
| CN111468661B true CN111468661B (en) | 2022-02-08 |
Family
ID=71760001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010417074.0A Active CN111468661B (en) | 2020-05-18 | 2020-05-18 | Nut mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111468661B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB275282A (en) * | 1926-03-02 | 1927-08-02 | Landis Machine Co | Improvements in and relating to screw-cutting die heads |
| DE2746465A1 (en) * | 1977-10-15 | 1979-04-19 | Sack & Kiesselbach | Screw deburring die making machine - has ram to press blank bore into polygon section while outside dia. is kept constant to calibrate screw heads |
| CN201572872U (en) * | 2009-11-26 | 2010-09-08 | 浙江万金机械有限公司 | Forging and pressing die for molding hexagonal nut |
| CN102601294A (en) * | 2012-04-01 | 2012-07-25 | 常熟新华远紧固件有限公司 | Die assembly for forming bottom of spring washer nut |
| CN202571133U (en) * | 2012-05-03 | 2012-12-05 | 上海武明重工科技有限公司 | Bottom plate for nut die |
| CN205096459U (en) * | 2015-10-30 | 2016-03-23 | 海盐光明五金制品有限公司 | Nut die |
| CN205096460U (en) * | 2015-10-30 | 2016-03-23 | 海盐光明五金制品有限公司 | Nut die |
| CN208303717U (en) * | 2018-06-11 | 2019-01-01 | 嘉兴春祐精密模具有限公司 | A kind of tack vertical line screw multistation rapid forming mold |
-
2020
- 2020-05-18 CN CN202010417074.0A patent/CN111468661B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB275282A (en) * | 1926-03-02 | 1927-08-02 | Landis Machine Co | Improvements in and relating to screw-cutting die heads |
| DE2746465A1 (en) * | 1977-10-15 | 1979-04-19 | Sack & Kiesselbach | Screw deburring die making machine - has ram to press blank bore into polygon section while outside dia. is kept constant to calibrate screw heads |
| CN201572872U (en) * | 2009-11-26 | 2010-09-08 | 浙江万金机械有限公司 | Forging and pressing die for molding hexagonal nut |
| CN102601294A (en) * | 2012-04-01 | 2012-07-25 | 常熟新华远紧固件有限公司 | Die assembly for forming bottom of spring washer nut |
| CN202571133U (en) * | 2012-05-03 | 2012-12-05 | 上海武明重工科技有限公司 | Bottom plate for nut die |
| CN205096459U (en) * | 2015-10-30 | 2016-03-23 | 海盐光明五金制品有限公司 | Nut die |
| CN205096460U (en) * | 2015-10-30 | 2016-03-23 | 海盐光明五金制品有限公司 | Nut die |
| CN208303717U (en) * | 2018-06-11 | 2019-01-01 | 嘉兴春祐精密模具有限公司 | A kind of tack vertical line screw multistation rapid forming mold |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111468661A (en) | 2020-07-31 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Nut Mold Effective date of registration: 20231117 Granted publication date: 20220208 Pledgee: Yuantong sub branch of Zhejiang Haiyan Rural Commercial Bank Co.,Ltd. Pledgor: Haiyan Jianhao Metal Co.,Ltd. Registration number: Y2023330002695 |