CN217070616U - Split type upper and lower die structure of press machine - Google Patents
Split type upper and lower die structure of press machine Download PDFInfo
- Publication number
- CN217070616U CN217070616U CN202220966724.1U CN202220966724U CN217070616U CN 217070616 U CN217070616 U CN 217070616U CN 202220966724 U CN202220966724 U CN 202220966724U CN 217070616 U CN217070616 U CN 217070616U
- Authority
- CN
- China
- Prior art keywords
- lower die
- die
- sleeve
- core
- press machine
- 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.)
- Active
Links
Images
Landscapes
- Forging (AREA)
Abstract
The utility model relates to a split type upper and lower die structure of a press machine, which comprises an upper die plate, a lower die plate, an upper die arranged on the upper die plate and a lower die arranged on the lower die plate, wherein the upper die comprises an upper die core and an upper die sleeve positioned outside the upper die core, the lower die comprises a lower die core and a lower die sleeve positioned outside the lower die core, the inner hole of the upper die sleeve is of a conical structure with a wide top and a narrow bottom, and the inner hole of the lower die sleeve is of a conical structure with a narrow top and a wide bottom; placing a forming material ejection block in the lower die core, wherein the upper die core, the lower die core and the forming material ejection block form a forming cavity; a guide mechanism is arranged between the lower template and the upper template. After the upper mold core and the lower mold core are deformed and damaged, only the upper mold core and the lower mold core need to be replaced, and an upper mold sleeve and a lower mold sleeve do not need to be replaced, so that the production cost is reduced.
Description
Technical Field
The utility model relates to a mold processing technical field especially relates to split type upper and lower mould structure of press.
Background
In the forging process of the conjoined gear, the upper die and the lower die of the press machine are matched to realize punch forming. The existing upper die and the lower die are of an integrated structure respectively, the die is prone to deformation and scrapping due to large stamping forming pressure and long-time stamping, and the forming part is most prone to deformation and damage due to the fact that the stress of the forming part is maximum, but when the die is replaced, the upper die and the lower die need to be replaced integrally, resource waste is caused, and production cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, provide the split type structure of drawing of patterns from top to bottom of press.
The utility model is realized by the following technical scheme, a split type upper and lower die structure of a press machine is provided, which comprises an upper die plate, a lower die plate, an upper die arranged on the upper die plate and a lower die arranged on the lower die plate, wherein the upper die comprises an upper die core and an upper die sleeve positioned outside the upper die core, the lower die comprises a lower die core and a lower die sleeve positioned outside the lower die core, the inner hole of the upper die sleeve is of a conical structure with a wide top and a narrow bottom, and the inner hole of the lower die sleeve is of a conical structure with a narrow top and a wide bottom; placing a forming material ejection block in the lower die core, wherein the upper die core, the lower die core and the forming material ejection block form a forming cavity; a guide mechanism is arranged between the lower template and the upper template.
Preferably, the upper mold core and the upper mold sleeve are in clearance fit by adopting a 3-degree mold entering angle.
Preferably, the lower mold core and the lower mold sleeve are in clearance fit by adopting a 3-degree mold entering angle. The stability of the lower die core and the upper die core in the process of stamping the forge piece is guaranteed, the upper die core and the upper die sleeve and the lower die core and the lower die sleeve are prevented from being displaced, and the forming precision of the forge piece is guaranteed. The upper die sleeve is sleeved outside the upper die core, so that the structural strength of the upper die can be increased, and the lower die sleeve is sleeved outside the lower die core, so that the structural strength of the lower die can be enhanced.
Preferably, a concave table for clamping the upper die and the lower die is arranged at the upper end of the lower die sleeve. The lower die sleeve and the lower die core are separated, a concave table for die assembly is processed on the lower die sleeve, and the hardness of the lower die sleeve is lower than that of the lower die core, so that the processing of the concave table is facilitated, and the difficulty in processing the die assembly concave table at present is reduced.
Preferably, the bottom of the lower die core is provided with a placing hole for placing a forming jacking block, and the forming jacking block is placed in the placing hole.
Preferably, a limiting table used for limiting the forming ejector block is arranged in the placing hole. The limiting table can prevent the forming material pushing block from moving out of the placing hole, and normal processing of the forge piece is guaranteed.
Preferably, the lower template is provided with a through hole for the ejector rod to pass through, and the upper end of the through hole is communicated with the placing hole. When the forged piece needs to be unloaded after being formed, the ejector rod penetrates through the through hole to eject the formed ejector block upwards, so that the forged piece is ejected out of the cavity.
Preferably, the lower die sleeve and the upper die sleeve are made of 40Cr alloy steel, and the upper die core and the lower die core are made of 5CrNiMo steel. The forming part is made of 5CrNiMo steel with higher hardness, the strength of the forming part is enhanced, and the non-forming part is made of 40Cr alloy steel, so that the cost can be effectively reduced on the premise of not influencing the structural strength of the die.
Preferably, a circle of lower boss is arranged on the outer side of the bottom of the lower die sleeve, a circle of upper boss is arranged on the outer side of the top of the upper die sleeve, a lower pressing plate for pressing the lower boss is sleeved outside the lower die sleeve, and an upper pressing plate for pressing the upper boss is sleeved outside the upper die sleeve. The upper pressing plate is connected with the upper template through bolts, and the lower pressing plate is connected with the lower template through bolts. The upper die sleeve is tightly pressed through the upper pressing plate, so that the upper die is fixed in position, and the lower die sleeve is tightly pressed through the lower pressing plate, so that the lower die is fixed in position.
Preferably, the guide mechanism comprises a guide sleeve arranged on the lower template and a guide pillar arranged on the upper template, part of the guide pillar is positioned in the guide sleeve, and the guide pillar can move up and down along the guide sleeve. The concentricity of the upper die and the lower die can be ensured through the guiding of the guiding mechanism, and the processing precision of the forge piece is ensured.
Preferably, the number of the guide mechanisms is two, and the two guide mechanisms are arranged diagonally.
The utility model has the advantages that:
1. the utility model has simple structure, the upper die and the lower die are arranged separately, and the forming part and the non-forming part adopt different materials respectively, thereby reducing the cost of the die; after the upper mold core and the lower mold core are deformed and damaged, only the upper mold core and the lower mold core need to be replaced, and an upper mold sleeve and a lower mold sleeve do not need to be replaced, so that the production cost is reduced.
2. The upper mold core and the upper mold sleeve and the lower mold core and the lower mold sleeve are in clearance fit at the mold-entering angle of a specific angle, so that the stability of the lower mold core and the upper mold core during the process of stamping the forge piece is ensured, the displacement between the upper mold core and the upper mold sleeve and between the lower mold core and the lower mold sleeve is avoided, and the forming precision of the forge piece is ensured.
Drawings
Fig. 1 is a schematic longitudinal sectional structure of the present invention;
FIG. 2 is a schematic structural view of the upper die sleeve of the present invention;
FIG. 3 is a schematic structural view of the upper mold core of the present invention;
FIG. 4 is a schematic structural view of the lower die sleeve of the present invention;
FIG. 5 is a schematic structural view of the lower mold core of the present invention;
fig. 6 is a schematic structural view of the upper template of the present invention;
shown in the figure:
1. the device comprises an upper template, 2, a lower template, 3, an upper mold core, 4, an upper mold sleeve, 5, a lower mold core, 6, a lower mold sleeve, 7, a concave table, 8, a forming material pushing block, 9, a placing hole, 10, a limiting table, 11, a through hole, 12, a cavity, 13, a lower boss, 14, an upper boss, 15, a lower pressing plate, 16, an upper pressing plate, 17, a guide sleeve, 18 and a guide pillar.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 1, the utility model discloses an cope match-plate pattern 1, lower bolster 2, install the last mould on cope match-plate pattern 1 and install the lower mould on lower bolster 2. The upper die comprises an upper die core 3 and an upper die sleeve 4 positioned outside the upper die core 3. The lower die comprises a lower die core 5 and a lower die sleeve 6 positioned outside the lower die core 5.
As shown in fig. 1, 2, 3, 4 and 5, the inner hole of the upper die sleeve 4 is a tapered structure with a wide upper part and a narrow lower part, and the upper die core 3 and the upper die sleeve 4 are in clearance fit by adopting a 3-degree die-entering angle. The inner hole of the lower die sleeve 6 is in a conical structure with a narrow top and a wide bottom, and the lower die core 5 and the lower die sleeve 6 are in clearance fit by adopting a 3-degree die-entering angle. The stability of the lower die core 5 and the upper die core 3 in the process of stamping the forge piece is ensured, the displacement between the upper die core 3 and the upper die sleeve 4 and between the lower die core 5 and the lower die sleeve 6 is avoided, and the forming precision of the forge piece is ensured. The upper die sleeve 4 is sleeved outside the upper die core 3, so that the structural strength of the upper die can be increased, and the lower die sleeve 6 is sleeved outside the lower die core 5, so that the structural strength of the lower die can be enhanced.
The lower die sleeve 6 and the upper die sleeve 4 are made of 40Cr alloy steel, the upper die core 3 and the lower die core 5 are made of 5CrNiMo steel, the formed part is made of 5CrNiMo steel with high hardness, the strength of the formed part is enhanced, and the non-formed part is made of 40Cr alloy steel, so that the cost can be effectively reduced on the premise of not influencing the structural strength of the die.
The upper end of the lower die sleeve 6 is provided with a concave platform 7 for closing the upper die and the lower die, the lower die sleeve 6 and the lower die core 5 are separated, the concave platform 7 for closing the die is processed on the lower die sleeve 6, and the hardness of the lower die sleeve 6 is lower than that of the lower die core 5, so that the processing of the concave platform 7 is facilitated, and the difficulty in processing the existing die closing concave platform 7 is reduced.
A molding material ejecting block 8 is placed in the lower mold core 5, and the upper mold core 3, the lower mold core 5 and the molding material ejecting block 8 form a cavity 12. The bottom in the lower mold core 5 is provided with a placing hole 9 for placing a forming top block 8, the forming top block 8 is placed in the placing hole 9, and a limiting table 10 for limiting the forming top block 8 is arranged in the placing hole 9. The lower template 2 is provided with a through hole 11 for the ejector rod to pass through, the upper end of the through hole 11 is communicated with the placing hole 9, when unloading is needed after the forge piece is formed, the ejector rod passes through the through hole 11 to push the forming ejector block 8 upwards, so that the forge piece is ejected out of the cavity 12, the limiting table 10 can prevent the forming ejector block 8 from moving out of the placing hole 9, and normal processing of the forge piece is guaranteed.
The outer side of the bottom of the lower die sleeve 6 is provided with a circle of lower bosses 13, the outer side of the top of the upper die sleeve 4 is provided with a circle of upper bosses 14, the lower die sleeve 6 is sleeved with a lower pressing plate 15 for pressing the lower bosses 13, the upper die sleeve 4 is sleeved with an upper pressing plate 16 for pressing the upper bosses 14, the upper pressing plate 16 is connected with the upper die plate 1 through bolts, and the lower pressing plate 15 is connected with the lower die plate 2 through bolts. The upper die sleeve 4 is pressed by the upper pressing plate 16, so that the position of the upper die is fixed, and the lower die sleeve 6 is pressed by the lower pressing plate 15, so that the position of the lower die is fixed.
A guide mechanism is arranged between the lower template 2 and the upper template 1, the guide mechanism comprises a guide sleeve 17 arranged on the lower template 2 and a guide post 18 arranged on the upper template 1, part of the guide post 18 is positioned in the guide sleeve 17, and the guide post 18 can move up and down along the guide sleeve 17. The concentricity of the upper die and the lower die can be ensured through the guiding of the guiding mechanism, and the processing precision of the forged piece is ensured. As shown in fig. 6, the two sets of guide mechanisms are arranged diagonally.
The utility model has simple structure, the upper die and the lower die are arranged separately, and the forming part and the non-forming part adopt different materials respectively, thereby reducing the cost of the die; after the upper mold core 3 and the lower mold core 5 are deformed and damaged, only the upper mold core 3 and the lower mold core 5 need to be replaced, and the upper mold sleeve 4 and the lower mold sleeve 6 do not need to be replaced; go up between mold core 3 and the last mold sleeve 4 and all adopt the income mould angle clearance fit of specific angle between lower mold core 5 and the lower mold sleeve 6, guaranteed the stability of lower mold core 5 and last mold core 3 when the punching press forging, avoid going up to produce the displacement between mold core 3 and last mold sleeve 4, between lower mold core 5 and the lower mold sleeve 6, guarantee forging shaping precision.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (10)
1. The split type upper and lower die structure of the press machine is characterized in that: the die comprises an upper die plate, a lower die plate, an upper die arranged on the upper die plate and a lower die arranged on the lower die plate, wherein the upper die comprises an upper die core and an upper die sleeve positioned outside the upper die core; placing a forming material ejection block in the lower die core, wherein the upper die core, the lower die core and the forming material ejection block form a forming cavity; a guide mechanism is arranged between the lower template and the upper template.
2. The split upper and lower die structure of the press machine according to claim 1, characterized in that: the upper mold core and the upper mold sleeve are in clearance fit by adopting a 3-degree mold entering angle.
3. The split upper and lower die structure of the press machine according to claim 1, characterized in that: the lower mold core and the lower mold sleeve are in clearance fit by adopting a 3-degree mold entering angle.
4. The split upper and lower die structure of the press machine according to claim 1, characterized in that: and the upper end of the lower die sleeve is provided with a concave platform for closing the upper die and the lower die.
5. The split upper and lower die structure of the press machine according to claim 1, characterized in that: the bottom in the lower die core is provided with a placing hole for placing a forming material pushing block, and the forming material pushing block is placed in the placing hole.
6. The split upper and lower die structure of the press machine according to claim 5, characterized in that: and a limiting table used for limiting the forming material ejecting block is arranged in the placing hole.
7. The split upper and lower die structure of the press machine according to claim 5, characterized in that: the lower template is provided with a through hole for the ejector rod to pass through, and the upper end of the through hole is communicated with the placing hole.
8. The split upper and lower die structure of the press machine according to claim 1, characterized in that: the lower die sleeve and the upper die sleeve are made of 40Cr alloy steel, and the upper die core and the lower die core are made of 5CrNiMo steel.
9. The split upper and lower die structure of the press machine according to claim 1, characterized in that: the outer side of the bottom of the lower die sleeve is provided with a circle of lower lug boss, the outer side of the top of the upper die sleeve is provided with a circle of upper lug boss, the lower die sleeve is sleeved with a lower pressing plate for pressing the lower lug boss, and the upper pressing plate for pressing the upper lug boss is sleeved with the upper die sleeve.
10. The split upper and lower die structure of the press machine according to claim 1, characterized in that: the guide mechanism comprises a guide sleeve arranged on the lower template and a guide pillar arranged on the upper template, wherein part of the guide pillar is positioned in the guide sleeve, and the guide pillar can move up and down along the guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220966724.1U CN217070616U (en) | 2022-04-25 | 2022-04-25 | Split type upper and lower die structure of press machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220966724.1U CN217070616U (en) | 2022-04-25 | 2022-04-25 | Split type upper and lower die structure of press machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217070616U true CN217070616U (en) | 2022-07-29 |
Family
ID=82502355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220966724.1U Active CN217070616U (en) | 2022-04-25 | 2022-04-25 | Split type upper and lower die structure of press machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217070616U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117226030A (en) * | 2023-09-28 | 2023-12-15 | 三泽科技(嘉善)有限公司 | Quick-disassembly vortex disc mold of vortex compressor and disassembly and replacement method thereof |
-
2022
- 2022-04-25 CN CN202220966724.1U patent/CN217070616U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117226030A (en) * | 2023-09-28 | 2023-12-15 | 三泽科技(嘉善)有限公司 | Quick-disassembly vortex disc mold of vortex compressor and disassembly and replacement method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106862374B (en) | A kind of counter sink press forming die and technique | |
| CN101537471B (en) | Improved forging method of conical bearing inner race | |
| CN207899970U (en) | A kind of side blow molding die | |
| CN105057556B (en) | A kind of forging molding process of bearing ring | |
| CN217070616U (en) | Split type upper and lower die structure of press machine | |
| CN203304417U (en) | Flip-over type piercing and blanking die | |
| CN112756538A (en) | Near-net forming die and method for forging hinge beam of refined steel stone pressure equipment | |
| CN201385100Y (en) | Improved bearing inner ring blank and forging die | |
| CN103551851B (en) | A kind of sheet metal part combined shaping method of bottom belt bulge-structure and mould | |
| CN208116566U (en) | A kind of harvester sprocket wheel mold | |
| CN209206350U (en) | A kind of large size track type shaft member forging mold | |
| CN209773225U (en) | Reinforcing plate mould on side wall inner plate of truck | |
| CN111822640A (en) | Novel draw bar tooling die | |
| CN209664111U (en) | Reflectal automotive wheels punching flaring die | |
| CN208928992U (en) | A kind of stamping die forming body hinge | |
| CN102615127A (en) | Cold extrusion forming device for metal tube parts | |
| CN218395479U (en) | Hot extrusion preforming tool and forming tool for wheel rim supporting shaft blank | |
| CN206104697U (en) | Welding electrode cap stamping die for manufacturing | |
| CN215697975U (en) | Novel gear stamping die | |
| CN208162313U (en) | A kind of three face extrusion forming device of lead pipe | |
| CN206838943U (en) | A kind of Z-shaped oil tube bracket shaping multi-station mold of automobile drive axle | |
| CN216226744U (en) | Forging die of vehicle-mounted tool punch | |
| CN215697674U (en) | Hot forging and cold extruding mixed forming die | |
| CN212190865U (en) | Prepressing assisting bending die | |
| CN220444955U (en) | Closed composite forging die for shaft sleeve forging production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |