CN209773357U - General forging assembling die - Google Patents
General forging assembling die Download PDFInfo
- Publication number
- CN209773357U CN209773357U CN201822085625.9U CN201822085625U CN209773357U CN 209773357 U CN209773357 U CN 209773357U CN 201822085625 U CN201822085625 U CN 201822085625U CN 209773357 U CN209773357 U CN 209773357U
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- die
- inner cavity
- shell
- sleeve
- upper die
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Abstract
the utility model discloses a general forging combined die, which comprises an upper die and a lower die; the upper die comprises an upper die shell and a die core, the die core is positioned in a cavity at the lower part of the upper die shell, and a first ladder is arranged at the lower end of the upper die shell; the lower die comprises a lower die shell, a spring, an inner bottom plate, a thimble, a punch positioning block, a positioning assembly and a lower die sleeve. The die core is buffered at the beginning of forging, and the punch presses the die core after the material to be forged compresses the die core, so that the damage to the die core caused by instant impact at high temperature can be reduced.
Description
Technical Field
The utility model relates to a forge technical field, in particular to general combination die that forges.
background
The forging die needs to bear huge stamping in the working process so as to punch and form the product. For medium and small parts, the die core is small and contacts high-temperature forging materials, and when the medium and small parts are produced in large scale by using a forging die, the die core is easy to damage and needs to be replaced frequently, so that the production cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem be: in the existing forging die, the die core of the small and medium-sized parts is small and is easy to damage due to the fact that the die core is contacted with high-temperature forging materials. Therefore, the utility model provides a general combined forging die.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a general forging combined die comprises an upper die and a lower die; the upper die comprises an upper die shell and a die core, the die core is positioned in a cavity at the lower part of the upper die shell, and a first ladder is arranged at the lower end of the upper die shell; the lower die comprises a lower die shell, a spring, an inner bottom plate, a thimble, a punch positioning block, a positioning assembly and a lower die sleeve;
The upper end of the lower die sleeve is provided with a second step; the lower end of the upper die shell is meshed with a second step at the upper end of the lower die sleeve through the first step;
the spring is placed in a bottom cavity of the lower formwork, the inner bottom plate is movably arranged in the bottom cavity, the lower surface of the inner bottom plate presses the spring, and the upper surface of the inner bottom plate can prop against a wall body of the bottom cavity;
The inner cavity of the lower die shell is provided with a third step, and the positioning assembly is arranged in the inner cavity of the lower die shell and supported on the third step;
The inner cavity of the punch positioning block is provided with a fourth step, the punch penetrates through the inner cavity of the punch positioning block, and the lower part of the punch abuts against the fourth step;
The inner cavity of the lower die shell is provided with a fifth step, the lower part of the lower die sleeve props against the fifth step, and the upper part of the lower die sleeve protrudes out of the lower die shell;
The punch positioning block is placed on the upper surface of the positioning assembly, and the punch extends into an inner cavity of the lower die sleeve for placing forging materials;
The lower end of the ejector pin props against the upper surface of the inner bottom plate, and the upper end of the ejector pin props against the lower surface of the lower die sleeve, so that a compressed space exists between the lower surface of the lower die sleeve and the upper surface of the punch positioning block.
in some preferred embodiments, the upper die shell comprises an upper die sleeve, an upper die nut and an upper die cylinder;
The inner cavity of the upper die sleeve is provided with a first step, and the die core is placed in the inner cavity of the upper die sleeve and supported on the first step;
The lower part of the inner cavity of the upper die nut is provided with a second step, and the upper die sleeve is placed in the inner cavity of the upper die nut and supported on the second step;
The upper part of the inner cavity of the upper die nut is provided with threads, the periphery of the lower part of the upper die cylinder is provided with threads, and the lower part of the upper die cylinder is in threaded connection with the inner cavity of the upper die nut and props against the upper die sleeve; a cushion block is arranged between the upper surface of the mold core and the lower end surface of the upper mold cylinder;
The lower end of the upper die sleeve is provided with the first ladder.
In some preferred embodiments, the positioning assembly comprises a thimble positioning block and an inner base, the thimble positioning block being placed on the inner base; the thimble passes thimble locating piece and interior base.
In some preferred embodiments, the lower mold shell comprises an outer mold cylinder, an outer mold cylinder base, an inner mold sleeve and a pressure plate; the outer mold cylinder base is arranged at the bottom of the outer mold cylinder, and the spring is arranged on the outer mold cylinder base; the fifth step is arranged in the inner cavity of the inner die sleeve; a sixth step is arranged outside the inner die sleeve, and the inner die sleeve is positioned in the inner cavity of the outer die cylinder and presses the punch positioning block; the upper part of the outer die cylinder is provided with a third step, and the third step is provided with a threaded hole; the pressing plate presses the sixth step and the third step and is connected with the threaded hole through a fastener.
Compared with the prior art, the beneficial effects of the utility model are that:
the lower end of the upper mould shell presses down the mould sleeve and compresses the spring through the thimble and the inner bottom plate. Therefore, the lower die buffers the upper die through the lower die sleeve. In the process of buffering the force, the punch moves upwards relative to the lower die sleeve, so that the forging material pushes the die core upwards until the die core is pressed tightly. The punch then presses the forging material upwardly into the die core to form the part. Therefore, the die core is buffered at the beginning of forging, the punch presses the die core after the material to be forged compresses the die core, and the damage to the die core caused by instant impact under the condition of high temperature can be reduced.
drawings
FIG. 1 is a cross-sectional view of a universal forging die set according to an embodiment of the present invention;
Fig. 2 is a perspective view of a universal forging die set according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to fig. 1 to 2. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the invention or its application.
Referring to fig. 1 and 2, a universal forging die set according to an embodiment of the present invention includes an upper die 1 and a lower die 2.
the upper die 1 comprises an upper die shell 100 and a die core 11; the upper mould shell 100 is a shell of the upper mould 1 and is hollow; mold core 11 may form a part after injecting material. The mold core 11 is located in the cavity of the lower part of the upper mold shell 100.
the lower die 2 comprises a lower die shell 200, a spring 21, an inner bottom plate 22, a thimble 23, a punch 24, a punch positioning block 25, a positioning assembly 26 and a lower die sleeve 27. Wherein, the lower mold shell 200 is the shell of the lower mold 2 and is also hollow.
The upper end of the lower die sleeve 27 is provided with a second step 272; the second step 272 may be formed by removing a bead of material from the upper end of the lower die case 27. Correspondingly, the lower end of the upper mold shell 100 is provided with a first step 110; the first step 110 can also be formed by removing a loop of material from the lower end of the upper formwork 100. The lower end of the upper mold shell 100 engages with the second step 272 of the upper end of the lower mold shell 27 via the first step 110, thereby preventing lateral relative movement between the upper mold shell 100 and the lower mold shell 27.
The spring 21 is placed in the bottom cavity 201 of the lower mold shell 200. The inner bottom plate 22 is movably arranged in the bottom cavity 201 and the lower surface presses the spring 21, i.e. the inner bottom plate 22 is located above the spring 21. The upper surface of the bottom plate 22 may abut against the wall 211 of the bottom chamber 201, thereby limiting the travel of the spring 21.
The inner cavity of the lower mold shell 200 is provided with a third step 203, which is present at the junction of the inner cavity with a variable diameter. The positioning assembly 26 is disposed in the inner cavity of the lower mold shell 200 and supported on the third step 203. Illustratively, the positioning assembly 26 includes a needle positioning block 261 and an inner base 262, the needle positioning block 261 is disposed on the inner base 262, and the needle 23 passes through the needle positioning block 261 and the inner base 262.
The inner cavity of the punch positioning block 25 is provided with a fourth step 254, the punch 24 penetrates through the inner cavity of the punch positioning block 25, and the lower portion of the punch 24 abuts against the fourth step 254. That is, the punch positioning block 25 presses a portion of the lower portion of the punch 24, thereby stably erecting the punch 24.
The inner cavity of the lower mold shell 200 is provided with a fifth step 205, the lower part of the lower mold sleeve 27 is pressed against the fifth step 205, and the upper part of the lower mold sleeve 27 protrudes out of the lower mold shell 200. The fifth step 205 limits the upward axial movement of the lower die sleeve 27.
the punch positioning block 25 is placed on the upper surface of the positioning assembly 26, and the punch 24 is inserted into the cavity 271 of the lower die sleeve 27 for placing the forging material.
The lower end of the thimble 23 abuts against the upper surface of the inner bottom plate 22, and the upper end of the thimble 23 abuts against the lower surface of the lower die sleeve 27 so that a compressed space 30 exists between the lower surface of the lower die sleeve 27 and the upper surface of the punch positioning block 25.
use the utility model discloses during general forging assembling die, fix lower mould 2 on punching machine product bench, will go up mould 1 and fix on the punching machine impact hammer and lock. The upper mold 1 and the lower mold 2 are aligned on the same center line so that the lower end of the upper mold shell 100 is engaged with the second step 272 of the upper end of the lower mold shell 27 through the first step 110. Heating the upper die 1 and the lower die 2 to 300-350 ℃, heating the forging material 400 to 580-650 ℃, placing the forging material into the inner cavity 271 of the lower die sleeve 27, and starting the machine tool to start stamping. The lower end of the upper mold shell 100 presses down the mold case 27, compressing the spring 21 through the ejector pin 23 and the inner bottom plate 22. In this way, the lower die 2 cushions the upper die 1 by the lower die case 27. During the cushioning force, the punch 24 moves upward relative to the lower die case 27, causing the forging material 400 to push upward against the die core 11 until the die core 11 is pressed. The punch 24 is then pressed up into the core 11 against the forging material 400 to form the part. Therefore, the die core 11 is buffered at the beginning of forging, the punch 24 presses the die core 11 after the material 400 to be forged is pressed against the die core 11, and damage to the die core 11 caused by instant impact under the condition of high temperature can be reduced. The die core 11 is pressed and then stamped, the obtained part is stable in size and free of burrs, the yield of product processing is improved, the using amount of blanks is reduced, and the material cost can be saved.
the embodiments of the present invention will be further described below.
the upper mold shell 100 includes an upper mold shell 12, an upper mold nut 13, and an upper mold cylinder 14. The inner cavity of the upper die sleeve 12 is provided with a first step 121, and the die core 11 is placed in the inner cavity of the upper die sleeve 12 and supported on the first step 121. The lower part of the inner cavity of the upper die nut 13 is provided with a second step 132, and the upper die sleeve 12 is placed in the inner cavity of the upper die nut 13 and supported on the second step 132. The upper part of the inner cavity of the upper die nut 13 is provided with threads, the periphery of the lower part of the upper die cylinder 14 is also provided with threads, and the lower part of the upper die cylinder 14 is in threaded connection with the inner cavity of the upper die nut 13 and props against the upper die sleeve 12. A cushion block 18 is arranged between the upper surface of the mold core 11 and the lower end surface of the upper mold cylinder 14 to protect the upper mold cylinder 14 and prevent the mold core 11 from being damaged by stamping the upper mold cylinder 14. The lower end of the upper die case 12 is provided with the aforementioned first step 110. Therefore, the fixing of the whole upper mold shell 100 can be completed by screwing the upper mold cylinder 14, and the mold core 11 can be taken out by unscrewing the upper mold cylinder 14, so that the mold core 11 can be quickly disassembled and replaced, the time for replacing the mold core 11 can be reduced, and the machine adjusting cost is reduced.
the upper mold 100 further includes a first material returning thimble 15, a positioning block 16, and a second material returning thimble 17, wherein the first material returning thimble 15 and the second material returning thimble 17 are both T-shaped. The upper cylinder 14 has a first thimble chamber 141 and a second thimble chamber 142, wherein the inner diameter of the first thimble chamber 141 is larger than the inner diameter of the second thimble chamber 142. The first material returning thimble 15 is located in the first thimble cavity 141, the second material returning thimble 17 is located in the second thimble cavity 142, and the head of the T-shape protrudes out of the upper mold cylinder 14. The positioning block 16 is disposed on the T-shaped head of the first material returning thimble 15 and abuts against the end face of the T-shaped tail of the second material returning thimble 17. The first material returning thimble 15 is made of a standard component, so that the cost can be saved, the depth of the cavity of the mold core 11 can be controlled by the first material returning thimble 15 and the positioning block 16, for example, different positioning blocks 16 are selected to be used in combination with the first material returning thimble 15.
The lower mold shell 200 includes an outer mold cylinder 28, an outer mold cylinder base 29, an inner mold shell 31, and a pressure plate 32. An outer cylinder base 29 is provided at the bottom of the outer cylinder 28, and the outer cylinder base 29 is connected to the outer cylinder 28 by a fastener such as a bolt. The spring 21 is provided on the outer cylinder base 29. The inner cavity of the inner die case 31 is provided with the aforementioned fifth step 205. A sixth step 316 is arranged outside the inner die sleeve 31, and the inner die sleeve 31 is positioned in the inner cavity of the outer die cylinder 28 and presses the punch positioning block 25; the upper part of the outer die cylinder 28 is provided with a third step 283, the third step 283 is provided with a threaded hole, and the pressing plate 32 presses the sixth step 316 and the third step 283 and is connected with the threaded hole through a fastener; thus, all the components in the cavity of the lower mold shell 200 can be locked, and the whole mold can be conveniently disassembled.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific/preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. For those skilled in the art to which the invention pertains, a plurality of alternatives or modifications can be made to the described embodiments without departing from the concept of the invention, and these alternatives or modifications should be considered as belonging to the protection scope of the invention.
Claims (4)
1. A general forging assembling die is characterized in that: comprises an upper die and a lower die; the upper die comprises an upper die shell and a die core, the die core is positioned in a cavity at the lower part of the upper die shell, and a first ladder is arranged at the lower end of the upper die shell; the lower die comprises a lower die shell, a spring, an inner bottom plate, a thimble, a punch positioning block, a positioning assembly and a lower die sleeve;
the upper end of the lower die sleeve is provided with a second step; the lower end of the upper die shell is meshed with a second step at the upper end of the lower die sleeve through the first step;
the spring is placed in a bottom cavity of the lower formwork, the inner bottom plate is movably arranged in the bottom cavity, the lower surface of the inner bottom plate presses the spring, and the upper surface of the inner bottom plate can prop against a wall body of the bottom cavity;
the inner cavity of the lower die shell is provided with a third step, and the positioning assembly is arranged in the inner cavity of the lower die shell and supported on the third step;
the inner cavity of the punch positioning block is provided with a fourth step, the punch penetrates through the inner cavity of the punch positioning block, and the lower part of the punch abuts against the fourth step;
the inner cavity of the lower die shell is provided with a fifth step, the lower part of the lower die sleeve props against the fifth step, and the upper part of the lower die sleeve protrudes out of the lower die shell;
The punch positioning block is placed on the upper surface of the positioning assembly, and the punch extends into an inner cavity of the lower die sleeve for placing forging materials;
the lower end of the ejector pin props against the upper surface of the inner bottom plate, and the upper end of the ejector pin props against the lower surface of the lower die sleeve, so that a compressed space exists between the lower surface of the lower die sleeve and the upper surface of the punch positioning block.
2. the universal forging cluster die of claim 1, wherein: the upper die shell comprises an upper die sleeve, an upper die nut and an upper die cylinder;
the inner cavity of the upper die sleeve is provided with a first step, and the die core is placed in the inner cavity of the upper die sleeve and supported on the first step;
The lower part of the inner cavity of the upper die nut is provided with a second step, and the upper die sleeve is placed in the inner cavity of the upper die nut and supported on the second step;
The upper part of the inner cavity of the upper die nut is provided with threads, the periphery of the lower part of the upper die cylinder is provided with threads, and the lower part of the upper die cylinder is in threaded connection with the inner cavity of the upper die nut and props against the upper die sleeve; a cushion block is arranged between the upper surface of the mold core and the lower end surface of the upper mold cylinder;
the lower end of the upper die sleeve is provided with the first ladder.
3. the universal forging cluster die of claim 1, wherein: the positioning assembly comprises a thimble positioning block and an inner base, and the thimble positioning block is placed on the inner base; the thimble passes thimble locating piece and interior base.
4. The universal forging cluster die of any of claims 1 to 3, wherein: the lower die shell comprises an outer die cylinder, an outer die cylinder base, an inner die sleeve and a pressing plate; the outer mold cylinder base is arranged at the bottom of the outer mold cylinder, and the spring is arranged on the outer mold cylinder base; the fifth step is arranged in the inner cavity of the inner die sleeve; a sixth step is arranged outside the inner die sleeve, and the inner die sleeve is positioned in the inner cavity of the outer die cylinder and presses the punch positioning block; the upper part of the outer die cylinder is provided with a third step, and the third step is provided with a threaded hole; the pressing plate presses the sixth step and the third step and is connected with the threaded hole through a fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822085625.9U CN209773357U (en) | 2018-12-12 | 2018-12-12 | General forging assembling die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822085625.9U CN209773357U (en) | 2018-12-12 | 2018-12-12 | General forging assembling die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209773357U true CN209773357U (en) | 2019-12-13 |
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ID=68789876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822085625.9U Expired - Fee Related CN209773357U (en) | 2018-12-12 | 2018-12-12 | General forging assembling die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209773357U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114558976A (en) * | 2022-03-22 | 2022-05-31 | 宜昌中南精密钢管有限公司 | Guide sleeve hot forging forming die and assembling method |
-
2018
- 2018-12-12 CN CN201822085625.9U patent/CN209773357U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114558976A (en) * | 2022-03-22 | 2022-05-31 | 宜昌中南精密钢管有限公司 | Guide sleeve hot forging forming die and assembling method |
| CN114558976B (en) * | 2022-03-22 | 2023-12-26 | 宜昌中南精密钢管有限公司 | Guide sleeve hot forging forming die and assembly method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 Termination date: 20211212 |