CN213256623U - Transmission steering arm forging - Google Patents
Transmission steering arm forging Download PDFInfo
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- CN213256623U CN213256623U CN202021198566.7U CN202021198566U CN213256623U CN 213256623 U CN213256623 U CN 213256623U CN 202021198566 U CN202021198566 U CN 202021198566U CN 213256623 U CN213256623 U CN 213256623U
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- cylinder
- gusset
- forging
- connecting rib
- rib plate
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Abstract
Transmission steering arm forging, including integrated into one piece first cylinder of forging, horizontal connection gusset, the second cylinder, gusset and third cylinder are connected in the slope, the first cylinder, the central line of second cylinder and third cylinder all sets up and is located same perpendicular along the vertical direction, first cylinder right side is connected with the horizontal connection gusset left end, horizontal connection gusset right-hand member is connected with second cylinder left side, the setting of the high right side slope of gusset is connected in the slope, the left end smooth bending left side of gusset is connected with the right side of second cylinder is connected in the slope, the right-hand member smooth bending right side of gusset is connected in the slope with the left side of third cylinder. The utility model relates to a rationally, compact structure, the size is accurate, save material more, has reduced manufacturing cost to reduce subsequent machining work load.
Description
Technical Field
The utility model belongs to the technical field of forge, concretely relates to transmission steering arm forging.
Background
A transmission steering arm in an engineering vehicle belongs to a stepped and slender structure, the section difference of two ends of the transmission steering arm is large, the transmission steering arm is not on the same straight line, the forming difficulty is large, the material utilization rate is low, and the defect that a forged piece is easy to shift is overcome. Due to the particularity of the structure of the transmission steering arm, the forging process mostly adopts large blank forging, the used equipment is hammer forging or free forging, and the required parts are machined subsequently, and the process has the following defects:
the whole sectional area of the transmission steering arm has large difference, so that the requirement of forming the maximum sectional area of the transmission steering arm is met, a blank with a large diameter needs to be selected, the blank is not manufactured and is directly placed into a cavity for forging, equipment is not leaned under the influence of burrs in the forging process, and the size in the thickness direction of the part with a small sectional area is out of tolerance.
Because the guiding precision of the hammer forging equipment is not high, the impact property and the stroke of the hammer head during working are not fixed, the size precision of the forge piece is not high by fully depending on the hammer stepping force of workers, in order to ensure the processing size of the forge piece, the single side of the processing allowance of the hammer forging forge piece is about 8mm, more materials are wasted in subsequent machining, and the consumption of a machining cutter is high.
Secondly, the hammer forging equipment is used for striking a single cavity for multiple times to form the forging piece step by step, although the striking speed of the hammer is high, the deformation of each striking is small, a single forging piece can be formed only by striking for dozens of times, and the production efficiency is low;
in the process of returning the hammer head, the upper die cavity can drive the forge piece to be separated from the cavity, when the forge piece freely falls back to the cavity, the axial direction of the forge piece can deviate relative to the axial direction of the die cavity, and the forge piece can be folded due to different resistance of metal in the flowing process.
And the rough edges of the transmission steering arm after the large blank is forged are large, the circumference is uneven, the stress of the trimming cutting edge part is uneven in the trimming process, the inclination of the middle drop part between the large end and the small end of the transmission steering arm is over-poor, and the rejection rate of forgings is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide a transmission steering arm forging that adopts the size precision height of hot die forging preparation, forging, material saving, make things convenient for machining.
In order to solve the technical problem, the utility model adopts the following technical scheme: the transmission steering arm forging comprises a first cylinder, a horizontal connecting rib plate, a second cylinder, an inclined connecting rib plate and a third cylinder which are integrally forged and formed, the central lines of the first cylinder, the second cylinder and the third cylinder are all arranged along the vertical direction and are positioned on the same vertical plane, the right side of the first cylinder is connected with the left end of the horizontal connecting rib plate, the right end of the horizontal connecting rib plate is connected with the left side of the second cylinder, the inclined connecting rib plate is obliquely arranged in a high-left and low-right mode, the left end of the inclined connecting rib plate is smoothly bent leftwards and is connected with the right side of the second cylinder, and the right end of the inclined connecting rib plate is smoothly bent rightwards and is connected with the; the diameters of the first cylinder and the second cylinder are equal and smaller than the diameter of the third cylinder, and the heights of the first cylinder and the second cylinder are equal and smaller than the height of the third cylinder.
The thickness of horizontally connected gusset along the vertical direction is less than the height of first cylinder, the width of horizontally connected gusset along the fore-and-aft direction is less than the diameter of first cylinder, the width of slope connection gusset left end equals the width of horizontally connected gusset, the width of slope connection gusset along the fore-and-aft direction is crescent from left to right, the thickness of slope connection gusset along the vertical direction is crescent from left to right, the width of slope connection gusset right-hand member is less than the diameter of third cylinder, the thickness of slope connection gusset right-hand member is less than the height of third cylinder.
An upper weight-reducing long groove is formed in the upper surface of the inclined connecting rib plate along the length direction, a lower weight-reducing long groove is formed in the lower surface of the inclined connecting rib plate along the length direction, and the distance between the bottom of the upper weight-reducing long groove and the bottom of the lower weight-reducing long groove is 12 mm.
The height of the first cylinder is 40mm, the height of the third cylinder is 53mm, the diameter of the first cylinder is 64mm, the diameter of the third cylinder is 80mm, the distance between the center line of the first cylinder and the center line of the third cylinder is 285mm, the distance between the center line of the first cylinder and the center line of the second cylinder is 90mm, the upper surface of the first cylinder and the upper surface of the second cylinder are located at the same height, and the distance between the upper surface of the first cylinder and the lower surface of the third cylinder in the vertical direction of the eyes is 124 mm.
By adopting the technical scheme, the cylindrical blank is heated firstly and then passes through the blank-making bending die to form a long flat blank with two bends, and the blank-making piece is placed in the forging die arranged on the hot die forging press for pre-forging and finish forging operation. Because the utility model discloses a forging mould include last mould and lower mould, go up between the lower surface of mould and the upper surface of lower mould and seted up with the utility model discloses the die cavity that appearance structure is the same, consequently the utility model provides an upper portion, the lower part of the outer periphery of first cylinder, second cylinder and third cylinder all have the draft angle, and the upper portion and the lower part of both sides also all have the draft angle around horizontal connection gusset and the slope connection gusset.
During machining, holes need to be drilled in the centers of the first cylinder, the second cylinder and the third cylinder, and the upper surface and the lower surface of the first cylinder, the second cylinder and the third cylinder need to be further milled and leveled, so that thickness allowance of 1-3mm is reserved on the upper surface and the lower surface of the first cylinder, the second cylinder and the third cylinder.
The upper weight reduction long groove and the lower weight reduction long groove further reduce the weight of the forge piece and save the material consumption on the premise of ensuring the strength of the inclined connecting rib. The included angle between the main body of the inclined connecting rib plate and the horizontal plane is controlled to be 40-50 degrees, and the preferred included angle is 45 degrees.
To sum up, the utility model relates to a rationally, compact structure, the size is accurate, save material more, has reduced manufacturing cost to reduce subsequent machining work load.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a top view of fig. 1.
Detailed Description
As shown in fig. 1 and fig. 2, the utility model discloses a transmission steering arm forging, including integrated forging's first cylinder 1, horizontal connection gusset 2, second cylinder 3, slope connection gusset 4 and third cylinder 5, the central line of first cylinder 1, second cylinder 3 and third cylinder 5 all sets up along the vertical direction and lies in same vertical plane, first cylinder 1 right side is connected with horizontal connection gusset 2 left end, horizontal connection gusset 2 right-hand member is connected with second cylinder 3 left side, slope connection gusset 4 sets up with high right-hand low slope, the left end smooth bending left of slope connection gusset 4 is connected with second cylinder 3 right side, the right end smooth bending right of slope connection gusset 4 is connected with the left side of third cylinder 5; the diameters of the first cylinder 1 and the second cylinder 3 are equal and smaller than the diameter of the third cylinder 5, and the heights of the first cylinder 1 and the second cylinder 3 are equal and smaller than the height of the third cylinder 5.
The thickness of horizontally connected gusset 2 along the vertical direction is less than the height of first cylinder 1, the width of horizontally connected gusset 2 along the fore-and-aft direction is less than the diameter of first cylinder 1, the width of 4 left ends of slope connection gusset equals the width of horizontally connected gusset 2, the width of 4 edge fore-and-aft direction of slope connection gusset is crescent from left to right, the thickness of 4 edge vertical direction of slope connection gusset is crescent from left to right, the width of 4 right ends of slope connection gusset is less than the diameter of third cylinder 5, the thickness of 4 right ends of slope connection gusset is less than the height of third cylinder 5.
An upper weight-reducing long groove 6 is formed in the upper surface of the inclined connecting rib plate 4 along the length direction, a lower weight-reducing long groove 7 is formed in the lower surface of the inclined connecting rib plate 4 along the length direction, and the distance between the groove bottom of the upper weight-reducing long groove 6 and the groove bottom of the lower weight-reducing long groove 7 is 12 mm.
The height of the first cylinder 1 is 40mm, the height of the third cylinder 5 is 53mm, the diameter of the first cylinder 1 is 64mm, the diameter of the third cylinder 5 is 80mm, the distance between the center line of the first cylinder 1 and the center line of the third cylinder 5 is 285mm, the distance between the center line of the first cylinder 1 and the center line of the second cylinder 3 is 90mm, the upper surface of the first cylinder 1 and the upper surface of the second cylinder 3 are located at the same height, and the distance between the upper surface of the first cylinder 1 and the lower surface of the third cylinder 5 in the vertical direction of the eye is 124 mm.
The cylindrical blank is heated and then passes through a blank-making bending die to form a long flat blank with two bends, and the blank is placed in a forging die arranged in a hot die forging press to perform pre-forging and finish-forging operations. Because the utility model discloses a forging mould include last mould and lower mould, go up between the lower surface of mould and the upper surface of lower mould and seted up with the utility model discloses the die cavity that appearance structure is the same, consequently the utility model provides an upper portion, the lower part of the outer periphery of first cylinder 1, second cylinder 3 and third cylinder 5 all have the drawing die inclination, and the upper portion and the lower part of both sides also all have the drawing die inclination around horizontal connection gusset 2 and slope connection gusset 4.
During machining, holes need to be drilled in the centers of the first cylinder 1, the second cylinder 3 and the third cylinder 5, and the upper surface and the lower surface of the first cylinder 1, the second cylinder 3 and the third cylinder 5 need to be further milled and flattened, so that the upper surface and the lower surface of the first cylinder 1, the second cylinder 3 and the third cylinder 5 are reserved with thickness allowance of 1-3 mm.
On the premise of ensuring the strength of the inclined connecting rib, the upper weight reduction long groove 6 and the lower weight reduction long groove 7 further reduce the weight of the forging and save the material consumption. The included angle between the main body of the inclined connecting rib plate 4 and the horizontal plane is controlled to be 40-50 degrees, and preferably 45 degrees.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (4)
1. Transmission steering arm forging, its characterized in that: the first cylinder, the second cylinder, the inclined connecting rib plate and the third cylinder are integrally formed by forging, the central lines of the first cylinder, the second cylinder and the third cylinder are arranged along the vertical direction and are positioned on the same vertical plane, the right side of the first cylinder is connected with the left end of the horizontal connecting rib plate, the right end of the horizontal connecting rib plate is connected with the left side of the second cylinder, the inclined connecting rib plate is obliquely arranged in a high-left and low-right mode, the left end of the inclined connecting rib plate is smoothly bent leftwards and is connected with the right side of the second cylinder, and the right end of the inclined connecting rib plate is smoothly bent rightwards and is connected with the left side of the third cylinder; the diameters of the first cylinder and the second cylinder are equal and smaller than the diameter of the third cylinder, and the heights of the first cylinder and the second cylinder are equal and smaller than the height of the third cylinder.
2. The drive steering arm forging of claim 1, wherein: the thickness of horizontally connected gusset along the vertical direction is less than the height of first cylinder, the width of horizontally connected gusset along the fore-and-aft direction is less than the diameter of first cylinder, the width of slope connection gusset left end equals the width of horizontally connected gusset, the width of slope connection gusset along the fore-and-aft direction is crescent from left to right, the thickness of slope connection gusset along the vertical direction is crescent from left to right, the width of slope connection gusset right-hand member is less than the diameter of third cylinder, the thickness of slope connection gusset right-hand member is less than the height of third cylinder.
3. The drive steering arm forging of claim 1 or 2, wherein: an upper weight-reducing long groove is formed in the upper surface of the inclined connecting rib plate along the length direction, a lower weight-reducing long groove is formed in the lower surface of the inclined connecting rib plate along the length direction, and the distance between the bottom of the upper weight-reducing long groove and the bottom of the lower weight-reducing long groove is 12 mm.
4. The drive steering arm forging of claim 3, wherein: the height of the first cylinder is 40mm, the height of the third cylinder is 53mm, the diameter of the first cylinder is 64mm, the diameter of the third cylinder is 80mm, the distance between the center line of the first cylinder and the center line of the third cylinder is 285mm, the distance between the center line of the first cylinder and the center line of the second cylinder is 90mm, the upper surface of the first cylinder and the upper surface of the second cylinder are located at the same height, and the distance between the upper surface of the first cylinder and the lower surface of the third cylinder in the vertical direction of the eyes is 124 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021198566.7U CN213256623U (en) | 2020-06-24 | 2020-06-24 | Transmission steering arm forging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021198566.7U CN213256623U (en) | 2020-06-24 | 2020-06-24 | Transmission steering arm forging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213256623U true CN213256623U (en) | 2021-05-25 |
Family
ID=75956823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021198566.7U Active CN213256623U (en) | 2020-06-24 | 2020-06-24 | Transmission steering arm forging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213256623U (en) |
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2020
- 2020-06-24 CN CN202021198566.7U patent/CN213256623U/en active Active
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