CN214601702U - Steering screw dysmorphism blind hole forming die - Google Patents
Steering screw dysmorphism blind hole forming die Download PDFInfo
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- CN214601702U CN214601702U CN202022798308.9U CN202022798308U CN214601702U CN 214601702 U CN214601702 U CN 214601702U CN 202022798308 U CN202022798308 U CN 202022798308U CN 214601702 U CN214601702 U CN 214601702U
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Abstract
The utility model discloses a steering screw dysmorphism blind hole forming die relates to the mould field, including upper die and bed die, the upper die includes upper die backing plate, upper die fixing frame, drift and drift cover, and the upper die fixing frame is fixed in on the upper die backing plate through bolted connection, and the drift cover is arranged in the drift cover with upper die fixing frame transition fit; the lower die comprises a lower die, a lower die pad and an ejector rod, the lower die is installed on the lower die pad, a screw rod blank needing to be processed is installed in a die cavity of the lower die, and the bottom of the screw rod blank is placed on the ejector rod. The forming die is formed by cold extrusion forging, the appearance of a formed workpiece has no flash, the internal streamline of the workpiece is uniform, the strength is high, the cold precision forging process avoids the size error caused by expansion with heat and contraction with cold due to room temperature forming, so the shape and the size of the cold precision forged workpiece are easy to control, meanwhile, the surface of a forged piece is not oxidized, burnt loss and the like, the forming die has high surface quality, and the inner cavity part does not need to be machined.
Description
Technical Field
The utility model relates to the technical field of mold, specifically be a steering screw dysmorphism blind hole forming die.
Background
When the special-shaped blind hole of the steering screw is machined, hot machining is generally performed, the appearance of a formed workpiece has flash, the material of the steering screw is unstable at high temperature, the machined workpiece is uniform in inside and low in strength, and dimension errors caused by expansion with heat and contraction with cold are avoided, so that the special-shaped blind hole is not convenient to control, meanwhile, the surface of a forged piece is not oxidized, burnt and the like, the surface quality is low, and the inner cavity part needs to be machined again.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steering screw dysmorphism blind hole forming die to solve the problem that proposes among the above-mentioned background art.
In order to solve the technical problem, the utility model provides a following technical scheme: a steering screw special-shaped blind hole forming die comprises an upper die and a lower die, wherein the upper die comprises an upper die base plate, an upper die fixing frame, a punch and a punch sleeve, the upper die base plate is fixed on an equipment sliding block, the upper die fixing frame is fixed on the upper die base plate through bolt connection, the punch sleeve is in transition fit with the upper die fixing frame, and the punch is arranged in the punch sleeve;
the lower die comprises a lower die, a lower die pad and an ejector rod, the lower die is installed on the lower die pad, a screw rod blank needing to be processed is installed in a die cavity of the lower die, and the bottom of the screw rod blank is placed on the ejector rod.
Preferably, a limiting ring used for controlling the depth of the special-shaped blind hole is arranged between the upper die and the lower die.
Preferably, the limiting ring is installed between the upper die fixing frame and the lower die.
Preferably, the upper part of the punch is provided with a punch pad which plays a role in compressing the punch, and the bottom end of the punch is a special-shaped section.
Preferably, the limiting ring is a cylindrical annular structure.
Preferably, the bottom of the limiting ring is fixedly provided with a clamping ring clamped with the lower die.
Compared with the prior art, the beneficial effects of the utility model are that:
the forming die is formed by cold extrusion forging, the appearance of a formed workpiece has no flash, the internal streamline of the workpiece is uniform, the strength is high, the cold precision forging process avoids the size error caused by expansion with heat and contraction with cold due to room temperature forming, so the shape and the size of the cold precision forged workpiece are easy to control, meanwhile, the surface of a forged piece is not oxidized, burnt loss and the like, the forming die has high surface quality, and the inner cavity part does not need to be machined.
Drawings
Fig. 1 is a sectional view of the present invention;
fig. 2 is a cross-sectional view of the stop collar of the present invention.
In the figure: 1. an upper die base plate; 2. an upper die fixing frame; 3. a lower die; 4. screw rod blanks; 5. a top rod; 6. A lower die cushion; 7. a limiting ring; 71. a snap ring; 8. a punch sleeve; 9. a punch; 10. a punch pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the embodiment provides a steering screw special-shaped blind hole forming die, which comprises an upper die and a lower die, wherein the upper die comprises an upper die base plate 1, an upper die fixing frame 2, a punch 9 and a punch sleeve 8, the upper die base plate 1 is fixed on a device slider, the upper die fixing frame 2 is fixed on the upper die base plate 1 through a bolt, the punch sleeve 8 is in transition fit with the upper die fixing frame 2, and the punch 9 is arranged in the punch sleeve 8;
the lower die comprises a lower die 3, a lower die pad 6 and an ejector rod 5, the lower die is installed on the lower die pad 6, a screw blank 4 needing to be processed is installed in a die cavity of the lower die, and the bottom of the screw blank 4 is placed on the ejector rod 5.
The upper portion of drift 9 is provided with the drift pad 10 that plays the effect of compressing tightly to the drift, and drift pad 10 can prevent that drift 9 from rocking, improves drift 9's stability, and drift 9 bottom is the dysmorphism cross-section.
The end face of the bar processed by normalizing, annealing or other methods ensures the flatness and luminosity, the bar is placed in a lower die, a slide block on a stamping device descends to a limiting position, the slide block is automatically lifted after pressure maintaining and pressure releasing, a cylinder piston acts to push an ejector rod 5, and then a lower die punch moves upwards to eject a workpiece. The forming die is formed by cold extrusion forging, the appearance of a formed workpiece has no flash, the internal streamline of the workpiece is uniform, the strength is high, the cold precision forging process avoids the size error caused by expansion with heat and contraction with cold due to room temperature forming, so the shape and the size of the cold precision forged workpiece are easy to control, meanwhile, the surface of a forged piece is not oxidized, burnt loss and the like, the forming die has high surface quality, and the inner cavity part does not need to be machined.
In order to ensure the processing depth of the special-shaped blind hole, referring to fig. 2, a limiting ring 7 for controlling the depth of the special-shaped blind hole is installed between the upper die and the lower die, and the limiting ring 7 can control the motion path of the upper die, prevent the upper die from excessively moving downwards, and control the pressing depth of the special-shaped blind hole. Preferably, the limit ring is installed between the upper die fixing frame 2 and the lower die 3.
In order to make the installation of spacing ring 7 more stable, the fixed joint ring 71 that is provided with the lower mould joint in bottom of spacing ring 7, joint ring 71 joint can prevent that spacing ring 7 from rocking in the lower mould outside, improves the stability of spacing ring.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a steering screw dysmorphism blind hole forming die, includes mould and bed die, its characterized in that: the upper die comprises an upper die base plate (1), an upper die fixing frame (2), a punch (9) and a punch sleeve (8), the upper die fixing frame (2) is fixedly connected to the upper die base plate (1) through bolts, the punch sleeve (8) is in transition fit with the upper die fixing frame (2), and the punch (9) is arranged in the punch sleeve (8);
the lower die comprises a lower die (3), a lower die pad (6) and an ejector rod (5), the lower die is installed on the lower die pad (6), a screw rod blank (4) to be processed is installed in a die cavity of the lower die, and the bottom of the screw rod blank (4) is placed on the ejector rod (5);
a limiting ring (7) for controlling the depth of the special-shaped blind hole is arranged between the upper die and the lower die;
the limiting ring is arranged between the upper die fixing frame (2) and the lower die (3);
the upper part of the punch (9) is provided with a punch pad (10) which plays a role in compressing the punch, and the bottom end of the punch (9) is provided with a special-shaped section;
the limiting ring (7) is of a cylindrical annular structure; and a clamping ring (71) clamped with the lower die is fixedly arranged at the bottom of the limiting ring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022798308.9U CN214601702U (en) | 2020-11-27 | 2020-11-27 | Steering screw dysmorphism blind hole forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022798308.9U CN214601702U (en) | 2020-11-27 | 2020-11-27 | Steering screw dysmorphism blind hole forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214601702U true CN214601702U (en) | 2021-11-05 |
Family
ID=78428321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022798308.9U Active CN214601702U (en) | 2020-11-27 | 2020-11-27 | Steering screw dysmorphism blind hole forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214601702U (en) |
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2020
- 2020-11-27 CN CN202022798308.9U patent/CN214601702U/en active Active
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