CN111360206A - Combined die for manufacturing metal products - Google Patents
Combined die for manufacturing metal products Download PDFInfo
- Publication number
- CN111360206A CN111360206A CN202010260325.9A CN202010260325A CN111360206A CN 111360206 A CN111360206 A CN 111360206A CN 202010260325 A CN202010260325 A CN 202010260325A CN 111360206 A CN111360206 A CN 111360206A
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- CN
- China
- Prior art keywords
- wall
- gear
- limiting
- die
- block
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- 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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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C23/00—Tools; Devices not mentioned before for moulding
- B22C23/02—Devices for coating moulds or cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
- B22D29/04—Handling or stripping castings or ingots
- B22D29/08—Strippers actuated mechanically
Abstract
The invention provides a combined die for manufacturing metal products, which comprises a bottom plate, an outer die sleeve, an inner die set and an auxiliary unit, wherein the bottom plate is provided with a bottom plate cavity; the lower end of the outer die sleeve is provided with a bottom plate, the middle part of the upper end of the bottom plate is connected with an auxiliary unit, the auxiliary unit is arranged in the outer die sleeve in a sliding fit mode, and the inner die set is uniformly arranged on the inner wall of the outer die sleeve in a sliding fit mode; the invention can solve the problems that a, the gear teeth of the gear are more and the structure is smaller, so that the gear is in larger contact with a mold during injection molding; the steel wire is easy to break and fall off from the outer wall structure of the gear teeth during demoulding; influence the structure of the gear; b: most of the production molds of the existing gears have a one-to-one structure; the injection molding efficiency of the gear is low; the production and the manufacture of gears with various specifications are difficult to meet.
Description
Technical Field
The invention relates to the technical field of gear production and manufacturing, in particular to a combined die for manufacturing metal products.
Background
The casting product is formed in one step, and is produced and manufactured by adopting a casting method for some irregular products, specifically, the required product is obtained by casting liquid into the mold, cooling and condensing the casting liquid and demolding the mold; the gear is mostly produced and manufactured by casting, but the gear mainly has the following problems in the casting molding process;
a, because the gear teeth of the gear are more and the structure is smaller, the gear teeth are in larger contact with a mold during injection molding; the steel wire is easy to break and fall off from the outer wall structure of the gear teeth during demoulding; influence the structure of the gear; b: most of the production molds of the existing gears have a one-to-one structure; the injection molding efficiency of the gear is low; it is difficult to meet the production and manufacture of gears with various specifications.
Therefore, in order to improve the demoulding efficiency of the gear and ensure the production quality of the gear; the practicability of the die is improved; the invention provides a combined die for manufacturing metal products.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme that the combined die for manufacturing the metal product comprises a bottom plate, an outer die sleeve, an inner die set and an auxiliary unit; the lower end of the outer die sleeve is provided with a bottom plate, the middle part of the upper end of the bottom plate is connected with an auxiliary unit, the auxiliary unit is arranged in the outer die sleeve in a sliding fit mode, and the inner die set is uniformly arranged on the inner wall of the outer die sleeve in a sliding fit mode; wherein:
the inner mold assembly comprises a limiting strip, an execution cylinder, a gear block, a limiting block and a limiting spring; spacing evenly set up on outer die sleeve bottom inner wall, be located spacing and be provided with the gear piece through the sliding fit mode, the top of actuating cylinder connect on the outer wall of gear piece, the bottom of actuating cylinder sets up the inner wall at outer die sleeve, just the one end lateral wall of gear piece is provided with spacing hole, is provided with spacing spring in the other end lateral wall cavity of gear piece, just the stopper pass through the sliding fit mode and set up in the lateral wall cavity of gear piece.
The gear block comprises a die sleeve, a partition plate, a limiting column, a clamping spring, a gear tooth die, a telescopic rod, a pulling block and a tension spring; the die sleeve is internally and uniformly provided with limiting columns, the outer walls of the limiting columns are sleeved with clamping springs, the outer walls of two adjacent limiting columns are provided with gear dies in a sliding fit mode, the outer wall cavity at the rear end of each gear die is internally provided with a pull block in a sliding fit mode, the outer wall of each pull block is sleeved with a tension spring, the outer wall at the top end of each pull block is provided with a telescopic rod, the bottom end of each telescopic rod is installed on the outer wall at the rear end in the die sleeve, and the partition plate is arranged on the outer wall at the front end of the die sleeve and is matched with the gear dies; when the cast gear needs to be demoulded; the telescopic rod moves to drive the single gear tooth die to be loosened and separated from the gear teeth on the gear subjected to casting molding, so that the demolding is facilitated, and the integrity of the whole structure of the gear after the gear is demolded is ensured.
The auxiliary unit comprises an auxiliary cylinder, an inner limiting fixture block, an outer limiting fixture block, an auxiliary rod, an adjusting cylinder, an inner protective ring pad and an outer protective ring pad; the auxiliary rods are uniformly arranged inside the outer die sleeve; an inner limiting fixture block and an outer limiting fixture block are respectively arranged on the auxiliary rod in a sliding fit mode, and the inner limiting fixture block and the outer limiting fixture block are mutually matched; the lower end of the adjusting cylinder is arranged on the inner limiting fixture block, and the top end of the adjusting cylinder is connected to the outer limiting fixture block; the bottom end of the auxiliary cylinder is arranged on the bottom plate, and the top end of the auxiliary cylinder is connected with the lower end of the inner limiting fixture block; the outer wall of the upper end of the inner limiting fixture block is provided with an inner protective ring pad, and the outer wall of the upper end of the outer limiting fixture block is provided with an outer protective ring pad; when the gear is molded by casting and needs to be taken out of the mold; according to the diameter of the cast gear, an auxiliary cylinder or an adjusting cylinder is used for pushing an inner limiting fixture block or an outer limiting fixture block at the upper end to work together with the inner limiting fixture block to push the lower end of the gear; taking out the gear from the inner module; the auxiliary unit improves the mold taking efficiency, and the gears with different inner diameters are subjected to mold taking through the matching of two different diameters; the stress range of the mold taking is ensured, and the integrity of the gear structure after the mold taking is ensured.
Preferably; the uniformly arranged inner modules are matched with each other to form an annular sleeve-shaped structure; the mutually matched annular sleeve-shaped structures are two structures with different diameters; the inner die sets are matched with each other to form two annular sleeve-shaped structures with different diameters, so that gears with various sizes can be poured conveniently, and the practicability of the die set is improved.
Preferably; the inner wall of the outer limiting fixture block at the matched part of the outer limiting fixture block and the inner limiting fixture block is uniformly provided with balls in a rolling connection mode; the inner wall of the outer limiting fixture block is uniformly provided with the balls in a rolling connection mode, so that the flexibility between the outer limiting fixture block and the inner limiting fixture block is improved.
Preferably; the inner wall of the gear tooth mold is coated with a non-stick coating; the non-stick coating is arranged on the inner wall of the gear tooth die, so that the demolding efficiency is improved, and the structural integrity of the gear after demolding is guaranteed.
The auxiliary unit improves the mold taking efficiency, and the gears with different inner diameters are subjected to mold taking through the matching of two different diameters; the stress range of the mold taking is ensured, and the structural integrity of the gear after the mold taking is ensured;
secondly, when the gear molded by casting needs to be demoulded; the telescopic rod moves to drive the single gear tooth die to be loosened and separated from the gear teeth on the gear molded by casting, so that the demolding is facilitated, and the integrity of the whole structure of the gear after the gear is demolded is ensured;
the inner die sets are matched with each other to form two annular sleeve-shaped structures with different diameters, so that gears with various sizes can be poured conveniently, and the practicability of the die set is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a top view of the present invention;
FIG. 2 is a front view in section view of the present invention;
fig. 3 is a partial enlarged view of the invention at a in fig. 1.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1 to 3, a combined mold for manufacturing a metal product includes a base plate 1, an outer mold shell 2, an inner mold shell 3, and an auxiliary unit 4; the lower end of the outer die sleeve 2 is provided with a bottom plate 1, the middle part of the upper end of the bottom plate 1 is connected with an auxiliary unit 4, the auxiliary unit 4 is arranged inside the outer die sleeve 2 in a sliding fit mode, and the inner die set 3 is uniformly arranged on the inner wall of the outer die sleeve 2 in a sliding fit mode; the inner modules 3 which are uniformly arranged are matched with each other to form an annular sleeve-shaped structure; the mutually matched annular sleeve-shaped structures are two structures with different diameters; the inner die sets 3 are matched with each other to form two annular sleeve-shaped structures with different diameters, so that gears with various sizes can be poured conveniently, and the practicability of the die set is improved; wherein:
the inner module 3 comprises a limiting strip 31, an execution cylinder 32, a gear block 33, a limiting block 34 and a limiting spring 35; the limiting strips 31 are uniformly arranged on the inner wall of the bottom end of the outer die sleeve 2, the gear block 33 is arranged on the limiting strips 31 in a sliding fit mode, the top end of the execution cylinder 32 is connected to the outer wall of the gear block 33, the bottom end of the execution cylinder 32 is arranged on the inner wall of the outer die sleeve 2, a limiting hole is formed in the side wall of one end of the gear block 33, a limiting spring 35 is arranged in the side wall cavity of the other end of the gear block 33, and the limiting block 34 is arranged in the side wall cavity of the gear block 33 in a sliding fit mode; the gear block 33 comprises a die sleeve 331, a partition plate 332, a limiting column 333, a clamping spring 334, a gear tooth die 335, a telescopic rod 336, a pulling block 337 and a tension spring 338; the die sleeve 331 is uniformly provided with limiting posts 333 inside, the outer wall of each limiting post 333 is sleeved with a clamping spring 334, the outer walls of two adjacent limiting posts 333 are provided with a gear die 335 in a sliding fit manner, the outer wall cavity of the rear end of the gear die 335 is provided with a pulling block 337 in a sliding fit manner, the outer wall of the pulling block 337 is sleeved with a tension spring 338, the outer wall of the top end of the pulling block 337 is provided with an expansion link 336, the bottom end of the expansion link 336 is installed on the outer wall of the rear end inside the die sleeve 331, the partition plate 332 is arranged on the outer wall of the front end of the die sleeve 331, and the partition plate 332 is matched with the gear die 335; the inner wall of the gear tooth die 335 is coated with a non-stick coating; the nonstick coating is arranged on the inner wall of the gear tooth die 335, so that the demolding efficiency is improved, and the structural integrity of the gear after demolding is ensured; when the cast gear needs to be demoulded; the telescopic rod 336 moves to drive the single gear tooth die 335 to loosen and separate from the gear teeth on the gear molded by casting, so that the demolding is facilitated, and the integrity of the whole structure of the gear after the gear is demolded is ensured.
The auxiliary unit 4 comprises an auxiliary cylinder 41, an inner limiting fixture block 42, an outer limiting fixture block 43, an auxiliary rod 44, an adjusting cylinder 45, an inner protective ring pad 46 and an outer protective ring pad 47; the auxiliary rods 44 are uniformly arranged inside the outer die sleeve 2; the auxiliary rod 44 is provided with an inner limiting fixture block 42 and an outer limiting fixture block 43 in a sliding fit manner, and the inner limiting fixture block 42 and the outer limiting fixture block 43 are matched with each other; the lower end of the adjusting cylinder 45 is arranged on the inner limiting fixture block 42, and the top end of the adjusting cylinder 45 is connected to the outer limiting fixture block 43; the bottom end of the auxiliary cylinder 41 is arranged on the bottom plate 1, and the top end of the auxiliary cylinder 41 is connected with the lower end of the inner limiting fixture block 42; an inner protection ring pad 46 is arranged on the outer wall of the upper end of the inner limiting fixture block 42, and an outer protection ring pad 47 is arranged on the outer wall of the upper end of the outer limiting fixture block 43; the inner wall of the outer limiting fixture block 43 at the mutually matched part of the outer limiting fixture block 43 and the inner limiting fixture block 42 is uniformly provided with balls in a rolling connection mode; the balls are uniformly arranged on the inner wall of the outer limiting fixture block 43 in a rolling connection mode, so that the flexibility between the outer limiting fixture block 43 and the inner limiting fixture block 42 is improved; when the gear is molded by casting and needs to be taken out of the mold; according to the diameter of the cast gear, the auxiliary cylinder 41 or the adjusting cylinder 45 works to push the inner limiting fixture block 42 or the outer limiting fixture block 43 at the upper end to work together with the inner limiting fixture block 42 to push the lower end of the gear; taking out the gear from the inner module 3; the auxiliary unit 4 is arranged to improve the mold taking efficiency, and the gears with different inner diameters are subjected to mold taking through the matching of two different diameters; the stress range of the mold taking is ensured, and the integrity of the gear structure after the mold taking is ensured.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A combined die for manufacturing metal products comprises a bottom plate (1), an outer die sleeve (2), an inner die set (3) and an auxiliary unit (4); the method is characterized in that: the lower end of the outer die sleeve (2) is provided with a bottom plate (1), the middle part of the upper end of the bottom plate (1) is connected with an auxiliary unit (4), the auxiliary unit (4) is arranged inside the outer die sleeve (2) in a sliding fit mode, and the inner die sets (3) are uniformly arranged on the inner wall of the outer die sleeve (2) in a sliding fit mode; wherein:
the inner module (3) comprises a limiting strip (31), an execution cylinder (32), a gear block (33), a limiting block (34) and a limiting spring (35); the limiting strips (31) are uniformly arranged on the inner wall of the bottom end of the outer die sleeve (2), gear blocks (33) are arranged on the limiting strips (31) in a sliding fit mode, the top ends of the execution cylinders (32) are connected to the outer wall of the gear blocks (33), the bottom ends of the execution cylinders (32) are arranged on the inner wall of the outer die sleeve (2), limiting holes are formed in the side wall of one end of each gear block (33), limiting springs (35) are arranged in the side wall cavity of the other end of each gear block (33), and the limiting blocks (34) are arranged in the side wall cavities of the gear blocks (33) in a sliding fit mode;
the gear block (33) comprises a die sleeve (331), a partition plate (332), a limiting column (333), a clamping spring (334), a gear tooth die (335), an expansion rod (336), a pulling block (337) and a tension spring (338); die sleeve (331) inside evenly set up spacing post (333), the outer wall cover that is located spacing post (333) is equipped with joint spring (334), the outer wall of two adjacent spacing posts (333) is provided with round tooth mould (335) through sliding fit, be located and be provided with in the rear end outer wall cavity of round tooth mould (335) and draw piece (337) through sliding fit, just draw piece (337) outer wall cover be equipped with tension spring (338), the top outer wall that draws piece (337) is provided with telescopic link (336), telescopic link (336) bottom install on the inside rear end outer wall of die sleeve (331), baffle (332) set up on the front end outer wall of die sleeve (331) and baffle (332) and the cooperation of the teeth of a cogwheel mould (335).
2. A combination metal product manufacturing die according to claim 1, wherein: the auxiliary unit (4) comprises an auxiliary cylinder (41), an inner limiting fixture block (42), an outer limiting fixture block (43), an auxiliary rod (44), an adjusting cylinder (45), an inner protective ring pad (46) and an outer protective ring pad (47); the auxiliary rods (44) are uniformly arranged in the outer die sleeve (2); an inner limiting clamping block (42) and an outer limiting clamping block (43) are respectively arranged on the auxiliary rod (44) in a sliding fit mode, and the inner limiting clamping block (42) and the outer limiting clamping block (43) are mutually matched; the lower end of the adjusting cylinder (45) is arranged on the inner limiting fixture block (42), and the top end of the adjusting cylinder (45) is connected to the outer limiting fixture block (43); the bottom end of the auxiliary cylinder (41) is arranged on the bottom plate (1), and the top end of the auxiliary cylinder (41) is connected with the lower end of the inner limiting fixture block (42); an inner protection ring pad (46) is arranged on the outer wall of the upper end of the inner limiting clamping block (42), and an outer protection ring pad (47) is arranged on the outer wall of the upper end of the outer limiting clamping block (43).
3. A combination metal product manufacturing die according to claim 1, wherein: the uniformly arranged inner modules (3) are mutually matched to form an annular sleeve-shaped structure; and the mutually matched annular sleeve-shaped structures are two structures with different diameters.
4. A combination metal product manufacturing die according to claim 2, wherein: the inner wall of the outer limiting clamping block (43) at the mutually matched position of the outer limiting clamping block (43) and the inner limiting clamping block (42) is uniformly provided with balls in a rolling connection mode.
5. A combination metal product manufacturing die according to claim 1, wherein: the inner wall of the gear tooth die (335) is coated with a non-stick coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010260325.9A CN111360206A (en) | 2020-04-03 | 2020-04-03 | Combined die for manufacturing metal products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010260325.9A CN111360206A (en) | 2020-04-03 | 2020-04-03 | Combined die for manufacturing metal products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111360206A true CN111360206A (en) | 2020-07-03 |
Family
ID=71201207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010260325.9A Withdrawn CN111360206A (en) | 2020-04-03 | 2020-04-03 | Combined die for manufacturing metal products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111360206A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103522024A (en) * | 2013-09-27 | 2014-01-22 | 盐城金刚星齿轮厂 | Medium and large modulus cylindrical gear forming process and special die thereof |
| CN104107897A (en) * | 2013-04-16 | 2014-10-22 | 北京时代锐智科技有限公司 | Squeeze casting die and casting method for straight toothed spur gears |
| CN105478717A (en) * | 2015-12-25 | 2016-04-13 | 苏州三基铸造装备股份有限公司 | Automatic die loading device and method of vertical squeeze casting machine |
| CN105710151A (en) * | 2016-05-13 | 2016-06-29 | 徐州工程学院 | Compound gear extrusion die |
-
2020
- 2020-04-03 CN CN202010260325.9A patent/CN111360206A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104107897A (en) * | 2013-04-16 | 2014-10-22 | 北京时代锐智科技有限公司 | Squeeze casting die and casting method for straight toothed spur gears |
| CN103522024A (en) * | 2013-09-27 | 2014-01-22 | 盐城金刚星齿轮厂 | Medium and large modulus cylindrical gear forming process and special die thereof |
| CN105478717A (en) * | 2015-12-25 | 2016-04-13 | 苏州三基铸造装备股份有限公司 | Automatic die loading device and method of vertical squeeze casting machine |
| CN105710151A (en) * | 2016-05-13 | 2016-06-29 | 徐州工程学院 | Compound gear extrusion die |
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| Date | Code | Title | Description |
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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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200703 |