Die frame with oil nozzles
By installing oil nozzles on the upper and lower mold frames, the problems of extrusion flash, poor precision, and copper material waste in the production of hot forging die blanks are solved, achieving efficient lubrication and cooling of the mold and improving production efficiency.
Patent Information
- Application Number
- CN202520125270.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing punch presses suffer from problems such as severe extrusion flash, poor die blank accuracy, significant copper material waste, and long machining time when producing hot forging die blanks. In addition, the high temperature of the extrusion environment makes the lubrication and cooling of the die urgent.
Design a mold frame with an oil injector. The oil injector is installed on the upper and lower mold frames and is used to lubricate and cool the extrusion surface. The oil injector achieves the lubrication and cooling effect through a combination structure of the oil injector head, outer cavity, oil injector head fixing block and spring.
The lubrication and cooling effect of the oil nozzles reduces extrusion flash, improves mold blank accuracy, reduces copper material waste, shortens machining time, and increases production efficiency.
Smart Images

Figure CN223699096U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to mould technical field especially relates to a mould frame with oil nozzle. BACKGROUND
[0002] In the production process of hot forging blank, the first step needs to extrude the copper bar after cutting and heating into shape by punch, but the structure design of the existing punch usually adopts cam to drive the material rod to extrude the copper bar, and the mechanical force of the punch is used for extrusion, so that the flash of the extruded hot forging blank is very serious, the interface of the hot forging blank is often oval, the precision of the hot forging blank is poor, the copper material is wasted seriously by using the above extrusion method, and the subsequent machining time is long and the efficiency is low. Therefore, a hot forging blank die is developed, through the extrusion process, because the temperature of the extrusion environment is high, the lubrication and cooling of the extrusion surface of the die are particularly important, so a die frame for lubricating and cooling the extrusion surface of the die is designed. SUMMARY
[0003] The utility model discloses a kind of mould frames with oil nozzle, and the extrusion surface of upper and lower moulds can be lubricated and cooled by oil nozzle.
[0004] The utility model discloses a kind of mould frames with oil nozzle, and the extrusion surface of upper and lower moulds can be lubricated and cooled by oil nozzle.
[0005] Compared with the prior art, by being equipped with oil nozzle mounting hole on upper and lower mould frames, and installing oil nozzle in oil nozzle mounting hole, the extrusion surface of upper and lower moulds can be lubricated and cooled by oil nozzle, i.e. the oil nozzle installed in upper mould frame sprays oil on lower mould, and the oil nozzle installed in lower mould sprays oil on upper mould.
[0006] As preferred, the injection nozzle head is inserted with an adjusting rod at the injection port, which can guide the injection direction of the injection nozzle head; by inserting the adjusting rod, the injection nozzle head can be freely rotated by the adjusting rod, the injection nozzle head can realize the injection requirement at each position by the adjusting rod, the injection requirement can be more uniformly realized, and the size of the through hole of the injection nozzle head can be adjusted to realize the requirement of different molds for graphite oil.
[0007] As preferred, the outer cavity comprises a first outer cavity and a second outer cavity, the upper end of the first outer cavity is provided with an opening for limiting the injection nozzle head, the lower end of the first outer cavity is provided with an internal thread, the upper end of the second outer cavity is provided with an external thread, the second outer cavity is fixed with the first outer cavity by screwing, one end of the spring abuts against the injection nozzle head fixing block, and the other end of the spring abuts against the upper end of the second outer cavity; by the above structure, the disassembly and assembly of the outer cavity are more convenient, and the replacement of each part is also more convenient.
[0008] As preferred, the lower end of the second outer cavity is provided with an O-shaped sealing ring, and the axial center of the second outer cavity is provided with an oil passage hole, which is communicated with the lower passage of the injection nozzle head fixing block and the first outer cavity; by arranging the O-shaped sealing ring, when the injection nozzle is connected with the oil inlet pipe outside through the second outer cavity, the sealing effect can be realized.
[0009] As preferred, the injection nozzle mounting holes are arranged at the four end corners of the upper mold frame and the lower mold frame; in this way, the injection requirement at each position of the upper mold frame and the lower mold frame can be met. BRIEF DESCRIPTION OF DRAWINGS
[0010] Fig. 1 is the upper mold frame three-dimensional structure schematic view of the utility model.
[0011] Fig. 2 is the lower mold frame three-dimensional structure schematic view of the utility model.
[0012] Fig. 3 is the injection nozzle main view cross section structure schematic view of the utility model.
[0013] The labels in the drawings are as follows: 102, upper mold frame; 202, lower mold frame; 800, injection nozzle; 900, injection nozzle mounting hole; 801, outer cavity; 802, injection nozzle head; 803, injection nozzle head fixing block; 804, spring; 805, opening; 806, adjusting rod; 807, O-shaped sealing ring; 801-1, first outer cavity; 801-2, second outer cavity; 801-3, internal thread; 801-4, external thread; 801-5, oil passage hole; 802-1, injection port; 803-1, conical opening; 803-2, lower passage. DETAILED DESCRIPTION
[0014] The utility model will be introduced in detail in combination with the drawings: as shown in the utility model discloses an upper die frame 102 and lower die frame 202, and the upper die frame 102 and lower die frame 202 all are equipped with oil nozzle mounting hole 900, and the oil nozzle mounting hole 900 is installed with oil nozzle 800, and the oil nozzle 800 all are towards the extrusion surface of upper die frame 102 and the extrusion surface of lower die frame 202. Figs. 1 to 3 Oil nozzle 800 includes outer cavity 801, oil nozzle head 802, oil nozzle head fixed block 803 and spring 804, and oil nozzle head 802 is limited at the opening 805 at the upper end of outer cavity 801, and one end of oil nozzle head 802 extends from the opening 805 at the upper end of outer cavity 801, and the other end is in abutment with the conical opening 803-1 of oil nozzle head fixed block 803, and oil nozzle head fixed block 803 is located in outer cavity 801, and the lower end surface of lower passage 803-2 of oil nozzle head fixed block 803 is in abutment with spring 804, and spring 804 is located in outer cavity 801 and abuts oil nozzle head 802 at the opening 805 at the upper end of outer cavity 801 through the elastic tension of spring 804.
[0015] The oil nozzle head 802 is inserted with the adjusting rod 806 capable of guiding the oil injection direction of the oil nozzle head 802 at the oil injection port 802-1 of the oil nozzle head 802.
[0016] The outer cavity 801 includes first outer cavity 801-1 and second outer cavity 801-2, and the upper end of first outer cavity 801-1 is provided with the opening 805 for limiting the oil nozzle head 802, and the lower end of first outer cavity 801-1 is provided with the internal thread 801-3, and the upper end of second outer cavity 801-2 is provided with the external thread 801-4, and the second outer cavity 801-2 is fixed through the thread rotation between the first outer cavity 801-1, and one end of spring 804 is in abutment with oil nozzle head fixed block 803, and the other end of spring 804 is in abutment with the upper end of second outer cavity 801-2.
[0017] The lower end of second outer cavity 801-2 is installed with O-shaped sealing ring 807, and the axial center of second outer cavity 801-2 is provided with oil passage hole 801-5, and is communicated with first outer cavity 801-1 and lower passage 803-2 of oil nozzle head fixed block 803.
[0018] The oil nozzle mounting hole 900 is arranged at the four end corners of the upper die frame 102 and the lower die frame 202.
[0019] The working principle of the utility model is as follows: firstly, the assembled oil injection nozzle 800 is installed into the oil injection nozzle installation hole 900 of the upper die frame 102 and the lower die frame 202; then, the oil injection nozzle head 802 of the oil injection nozzle 800 is inserted into the adjusting rod 806 at the oil injection nozzle head 802-1 of the oil injection nozzle 802, and the oil injection direction of the oil injection nozzle head 802 is driven by the rotation of the adjusting rod 806; finally, the adjusting rod 806 is adjusted, and the oil injection nozzle head 802 is pulled away from the oil injection nozzle head 802-1.
[0020] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A mold frame with an oil injector, comprising an upper mold frame (102) and a lower mold frame (202), characterized in that: Both the upper mold frame (102) and the lower mold frame (202) are provided with nozzle mounting holes (900), and nozzles (800) are installed in the nozzle mounting holes (900). The nozzles (800) face the extrusion surfaces of the upper mold frame (102) and the lower mold frame (202). The nozzle (800) includes an outer cavity (801), a nozzle head (802), a nozzle head fixing block (803), and a spring (804). The nozzle head (802) is limited to the opening (805) at the upper end of the outer cavity (801), and the nozzle head (802) is... One end of the nozzle (802) extends out of the opening (805) at the upper end of the outer cavity (801), and the other end abuts against the conical opening (803-1) of the nozzle fixing block (803). The nozzle fixing block (803) is located inside the outer cavity (801). The lower end face of the lower channel (803-2) of the nozzle fixing block (803) abuts against the spring (804). The spring (804) is located inside the outer cavity (801) and the spring tension of the spring (804) abuts the nozzle (802) against the opening (805) at the upper end of the outer cavity (801).
2. The mold frame with an oil injector according to claim 1, characterized in that: An adjusting rod (806) is inserted into the injection port (802-1) of the injector head (802) to guide the injection direction of the injector head (802).
3. The mold frame with an oil injector according to claim 1, characterized in that: The outer cavity (801) includes a first outer cavity (801-1) and a second outer cavity (801-2). The upper end of the first outer cavity (801-1) is provided with an opening (805) for limiting the fuel injector head (802). The lower end of the first outer cavity (801-1) is provided with an internal thread (801-3). The upper end of the second outer cavity (801-2) is provided with an external thread (801-4). The second outer cavity (801-2) and the first outer cavity (801-1) are fixed by threaded connection. One end of the spring (804) abuts against the fuel injector head fixing block (803), and the other end of the spring (804) abuts against the upper end of the second outer cavity (801-2).
4. The mold frame with an oil injector according to claim 3, characterized in that: An O-ring (807) is installed at the lower end of the second outer cavity (801-2), and an oil passage hole (801-5) is opened at the axial center of the second outer cavity (801-2), which communicates with the lower channel (803-2) of the first outer cavity (801-1) and the fuel injector head fixing block (803).
5. The mold frame with an oil injector according to claim 1, characterized in that: The fuel injector mounting holes (900) are all located at the four corners of the upper mold frame (102) and the lower mold frame (202).