CN117840722A - Combined die - Google Patents
Combined die Download PDFInfo
- Publication number
- CN117840722A CN117840722A CN202311680144.1A CN202311680144A CN117840722A CN 117840722 A CN117840722 A CN 117840722A CN 202311680144 A CN202311680144 A CN 202311680144A CN 117840722 A CN117840722 A CN 117840722A
- Authority
- CN
- China
- Prior art keywords
- die
- sleeve
- guide ring
- feeding
- diameter
- 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.)
- Pending
Links
- 238000007599 discharging Methods 0.000 claims abstract description 21
- 239000011229 interlayer Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 abstract description 58
- 229910000831 Steel Inorganic materials 0.000 abstract description 49
- 239000010959 steel Substances 0.000 abstract description 49
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The invention discloses a combined die, which comprises a die sleeve (1), a first rubber upper sleeve die (2), a second rubber upper sleeve die (3), a feeding guide ring (4) and a diameter-passing die (5), wherein the die sleeve (1) is provided with a feeding die cavity and a discharging die cavity, a separation layer with a through hole is arranged between the two die cavities, the first rubber upper sleeve die (2) is embedded into the feeding die cavity at the right part of the die sleeve (1), and a port of the feeding die cavity is sleeved with the feeding guide ring (4); the second rubber upper sleeve die (3) is embedded into a discharging die cavity at the left part of the die sleeve (1), and a diameter-passing die (5) is sleeved at a port of the discharging die cavity. The invention has the technical effects that: the discharging mode of the product is optimized; the steel core is tightly attached to the metal sleeve, and is not easy to loosen and fall off, so that the product quality is improved; the die is more convenient for operators to accurately adjust the die, and the working efficiency is improved.
Description
Technical Field
The invention relates to an assembly die, in particular to a combined die for press-fitting a steel core metal sleeve component.
Background
A steel core metal sleeve assembly is shown in fig. 1, a steel core 101 is assembled in a metal sleeve 102 to form a steel core metal sleeve assembly 103, the assembly size of the steel core metal sleeve assembly and the top of the metal sleeve is controlled to be H, and the metal sleeve 102 is tightly attached to the steel core 101 and cannot be loosened and fallen.
The assembly process using the existing assembly die is shown in fig. 2, and the assembly die is shown in fig. 2 (a), and is composed of a press punch 104, an upper sleeve die (steel die) 105, and a withdrawal punch 106. As shown in fig. 2 (b), the press punch 104 presses the steel core 101 and the metal sleeve 102 into the upper sleeve mold 105, so that the steel core 101 and the metal sleeve 102 are assembled into the steel core metal sleeve assembly 103, and the outer diameter of the steel core metal sleeve assembly 103 is not restrained by the upper sleeve mold 105αTail beta. As shown in fig. 2 (c), the material returning mode of the assembled steel core metal sleeve assembly 103 is that the material returning punch 106 ejects the material back, and the assembled steel core metal sleeve assembly 103 can generate the phenomena of loose adhesion and loose falling-off of the metal sleeve 101 and the steel core 102 at the gamma position and the delta position, so that the production of the subsequent process is affected.
Disclosure of Invention
Aiming at the problems of the existing assembly mold, the invention aims to provide the combined mold which has the functions of ensuring the assembly size H of the press-mounting steel core metal sleeve assembly and restraining the outer diameter and the tail, ensuring the metal sleeve to be more tightly attached to the steel core and improving the assembly quality.
The technical scheme of the invention is as follows:
the combined die comprises a die sleeve, a first rubber upper sleeve die, a second rubber upper sleeve die, a feeding guide ring and a diameter-passing die, wherein the die sleeve is provided with a feeding die cavity and a discharging die cavity, an interlayer with a through hole is arranged between the two die cavities, the first rubber upper sleeve die is embedded into the feeding die cavity at the right part of the die sleeve, and a port of the feeding die cavity is sleeved with the feeding guide ring; the second rubber upper sleeve die is embedded into a discharging die cavity at the left part of the die sleeve, and a diameter-passing die is sleeved at a port of the discharging die cavity.
When the steel core metal sleeve is assembled, the steel core and the metal sleeve are pressed into each other through the feeding guide ring and pass through the first rubber upper sleeve die and the second rubber upper sleeve die, and the metal sleeve is tightly attached to the steel core through circumferential constraint force and axial friction force generated on the outer surface of the metal sleeve by the rubber upper sleeve die, so that the steel core metal sleeve assembly is assembled. The press punching is completed and the assembly is retracted, and the steel core metal sleeve assembly is reserved in the combined die; the steel core metal sleeve assembly assembled at the next time pushes the steel core metal sleeve assembly assembled at the previous time to continuously move forward, the tail part of the metal sleeve is enabled to generate smaller extrusion deformation to wrap the tail part of the steel core through the diameter-passing die, and constraint is formed at the delta part of the steel core metal sleeve assembly and the steel core metal sleeve assembly is discharged from the delivery end.
The invention has the technical effects that:
1. the mold structure of the two rubber upper sleeve molds and the radial-passing mold is adopted, on one hand, the circumferential constraint force and the axial friction force generated on the outer surface of the metal sleeve by the rubber upper sleeve molds enable the metal sleeve to be tightly attached to the steel core, so that the attachment of the delta part of the metal sleeve component with the steel core is ensured, and the assembly size H of the metal sleeve component is ensured to meet the requirement; on the other hand, the tail part of the metal sleeve generates smaller extrusion deformation to wrap the tail part of the steel core through the diameter-passing die, and constraint is formed at the delta part of the metal sleeve component of the steel core, so that the tight fit between the steel core and the metal sleeve is ensured, the metal sleeve is not easy to loosen and fall off, the quality of products is improved, and the processing of products in subsequent procedures is facilitated;
2. compared with a single rubber die, the two rubber upper sleeve die structures are more convenient for operators to accurately adjust the friction resistance of the rubber upper sleeve die, and the working efficiency is improved;
3. the method of returning the top product after the assembly is changed into a method of serial continuous discharging of the assembled and pushed product, so that the product discharging is more reasonable.
The invention can be widely applied to other assembly fields, and can ensure the assembly quality.
Drawings
The drawings of the present invention are described as follows:
FIG. 1 is a combination diagram of a steel core metal sleeve assembly;
FIG. 2 is a diagram of an assembly process using a prior art assembly mold;
(a), before assembly, (b), press fitting, (c) material returning;
FIG. 3 is a schematic diagram of the structure of the present invention;
FIG. 4 is a schematic view of the structure of the die sleeve;
FIG. 5 is a schematic view of the structure of a rubber upper sleeve mold;
FIG. 6 is a schematic view of the structure of the feed guide ring;
fig. 7 is a schematic structural view of the diameter-passing die.
In the figure: 101. a steel core; 102. a metal sleeve; 103. a steel core metal sleeve assembly; 104. pressing and punching; 105. a cover die is arranged; 106. returning goods; 1. a die sleeve; 2. a first rubber upper sleeve mold; 3. a second rubber upper sleeve mold; 4. a feed guide ring; 5. and (3) passing through a radial die; 6. pressing and punching;
11. a feed die cavity; 12. an interlayer; 13. a discharging mold cavity; 14. a via hole; 15. a first female thread; 16. a second female thread; 21. a sleeve mold column body; 22. a sleeve die through hole; 41. a guide ring body; 42. a guide ring external thread; 43. a guide ring through hole;
description of the embodiments
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
for the sake of clarity in describing the invention, the present application uses the azimuth terms "left" and "right" to distinguish, where the "left" and "right" are determined according to the layout azimuth of the above drawings, and the directions of the present application are changed in actual use, and the terms of azimuth are changed accordingly, and should not be construed as limiting the scope of patent protection.
As shown in fig. 3, the invention comprises a die sleeve 1, a first rubber upper sleeve die 2, a second rubber upper sleeve die 3, a feeding guide ring 4 and a diameter-passing die 5, wherein the die sleeve 1 is provided with a feeding die cavity and a discharging die cavity, an interlayer with a through hole is arranged between the two die cavities, the first rubber upper sleeve die 2 is embedded into the feeding die cavity at the right part of the die sleeve 1, and a feeding guide ring 4 is sleeved at the port of the feeding die cavity; the second rubber upper sleeve die 3 is embedded into a discharging die cavity at the left part of the die sleeve 1, and a diameter-passing die 5 is sleeved at the port of the discharging die cavity.
As shown in fig. 4, the die sleeve 1 is a horizontally-arranged H-shaped cylinder, and comprises a feeding die cavity 11, a partition layer 12 and a discharging die cavity 13 from right to left, a through hole 14 is formed in the center of the partition layer 12, a first inner hole thread 15 and a second inner hole thread 16 are respectively processed at the ports of the feeding die cavity 11 and the discharging die cavity 13, and the two rubber upper die sleeves 2 and 3 are compressed by screwing into a feeding guide ring and a diameter-passing die correspondingly.
As shown in fig. 5, the first and second upper rubber sleeve dies 2 and 3 comprise a sleeve die cylinder 21, the central part of the sleeve die cylinder is provided with a sleeve die through hole 22 with a bell mouth, the sleeve die through hole 22 is used for dynamically passing through a steel core metal sleeve assembly 103 and a press punch 6, and the metal sleeve 102 is tightly adhered to and sleeved on the steel core 101 by using circumferential constraint force and axial friction force generated by the upper rubber sleeve die on the outer surface of the metal sleeve 102, so as to assemble the steel core metal sleeve assembly.
As shown in fig. 6, the feeding guide ring 4 comprises a guide ring body 41, the outer surface of the guide ring body is provided with guide ring external threads 42, and the center part of the guide ring body is provided with a guide ring through hole 43 with a bell mouth.
As shown in fig. 7, the diameter-passing die 5 includes a diameter-passing die body 51, an outer surface of which is formed with a diameter-passing die external thread 52, and a pilot ring through hole 53 with a flare opening in a center portion of the diameter-passing die body.
The two rubber upper sleeve dies 2 and 3 are respectively arranged in a die cavity 11 at the feed end and a die cavity 13 at the discharge end of the die sleeve 1; the feed guide ring 4 is rotationally fitted into and pressed against the first rubber upper sleeve die 2 by the external threads 42 in cooperation with the first internal bore threads 15 of the feed cavity port of the die sleeve 1. The diameter-passing die 4 is matched with the second inner hole thread 16 of the discharge die cavity port of the die sleeve 1 to rotate and is installed and pressed on the second rubber upper sleeve die 3 through the outer thread 52.
The working process of the invention is as follows:
as shown in fig. 3, the press punch 6 presses the steel core 101 together with the metal sleeve 102 through the feed guide ring 4 into and through the first rubber upper die sleeve 2 and the second rubber upper die sleeve 3; the two rubber upper sleeve dies are compressed and deformed due to the compaction of the feeding guide ring 4 and the diameter-passing die 5, and the sleeve die through holes 22 of the two rubber upper sleeve dies generate circumferential constraint force and axial friction resistance on the outer surface of the metal sleeve 102, so that the metal sleeve 102 is tightly attached to the steel core 101, and the steel core metal sleeve assembly 103 is assembled. The compression degree of the first rubber upper sleeve die 2 or the second rubber upper sleeve die 3 can be adjusted through screw rotation by the feeding guide ring 4 and the diameter-passing die 5, so that the circumferential constraint force and the axial friction resistance generated by the two rubber upper sleeve dies on the outer surface of the metal sleeve 102 are adjusted, the assembly quality is ensured, and the metal sleeve 102 cannot be clamped in the rubber upper sleeve die due to overlarge friction resistance to produce waste products. The press punch 6 is assembled and retracted, and the steel core metal sleeve assembly 103 is temporarily left in the combined die; the steel core metal sleeve assembly 103 assembled next pushes the steel core metal sleeve assembly 103 assembled last time to continue to advance, and the steel core metal sleeve assembly 103 is discharged from a delivery end through the diameter-passing die 5, at the moment, the diameter of the diameter-passing die 5 is slightly smaller than the outer diameter of the steel metal sleeve assembly 103, and slight extrusion constraint is carried out on the outer wall of the metal sleeve 102, so that the metal sleeve 102 is tightly attached to the steel core 101, and the tail of the steel core 101 is wrapped by the tail of the metal sleeve 102, so that the metal sleeve 102 and the steel core 101 are prevented from loosening and falling.
Claims (6)
1. A kind of assembling die, characterized by: the device comprises a die sleeve (1), a first rubber upper sleeve die (2), a second rubber upper sleeve die (3), a feeding guide ring (4) and a diameter-passing die (5), wherein the die sleeve (1) is provided with a feeding die cavity, a discharging die cavity and an interlayer with a through hole between the two die cavities, the first rubber upper sleeve die (2) is embedded into the feeding die cavity at the right part of the die sleeve (1), and a feeding guide ring (4) is sleeved at the port of the feeding die cavity; the second rubber upper sleeve die (3) is embedded into a discharging die cavity at the left part of the die sleeve (1), and a diameter-passing die (5) is sleeved at a port of the discharging die cavity.
2. The combination mold according to claim 1, wherein: the die sleeve (1) is an H-shaped cylinder which is horizontally arranged, a feeding die cavity (11), an interlayer (12) and a discharging die cavity (13) are sequentially arranged from right to left, a through hole (14) is formed in the center of the interlayer (12), and a first inner hole thread (15) and a second inner hole thread (16) are respectively machined at the ports of the feeding die cavity (11) and the discharging die cavity (13).
3. The combination mold according to claim 2, characterized in that: the first rubber upper sleeve die (2) and the second rubber upper sleeve die (3) comprise sleeve die cylinders (21), and the central parts of the sleeve die cylinders are sleeve die through holes (22) with horn mouths.
4. The combination mold according to claim 2, characterized in that: the feeding guide ring (4) comprises a guide ring body (41), guide ring external threads (42) are machined on the outer surface of the guide ring body, and a guide ring through hole (43) with a bell mouth is formed in the center of the guide ring body.
5. The combination mold according to claim 2, characterized in that: the diameter-passing die (5) comprises a diameter-passing die body (51), external threads (52) of the diameter-passing die are machined on the outer surface of the diameter-passing die body, and a guide ring through hole (53) with a bell mouth is formed in the center of the diameter-passing die body.
6. The combination mold according to claim 4 or 5, characterized in that: the feeding guide ring (4) is matched with a first inner hole thread (15) at the mouth part of a feeding die cavity (11) of the die sleeve (1) to rotate to press the first rubber upper sleeve die (2) through an outer thread (42) of the guide ring; the diameter-passing die (5) is matched with a second inner hole thread (16) at the opening part of the discharging die cavity (13) of the die sleeve (1) to rotate to press the second rubber upper sleeve die (3) through the outer thread (52) of the diameter-passing die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311680144.1A CN117840722A (en) | 2023-12-08 | 2023-12-08 | Combined die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311680144.1A CN117840722A (en) | 2023-12-08 | 2023-12-08 | Combined die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117840722A true CN117840722A (en) | 2024-04-09 |
Family
ID=90536593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311680144.1A Pending CN117840722A (en) | 2023-12-08 | 2023-12-08 | Combined die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117840722A (en) |
-
2023
- 2023-12-08 CN CN202311680144.1A patent/CN117840722A/en active Pending
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