CN215845145U - Die for eliminating shearing crescent component force - Google Patents
Die for eliminating shearing crescent component force Download PDFInfo
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- CN215845145U CN215845145U CN202121749009.4U CN202121749009U CN215845145U CN 215845145 U CN215845145 U CN 215845145U CN 202121749009 U CN202121749009 U CN 202121749009U CN 215845145 U CN215845145 U CN 215845145U
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- limiting ring
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Abstract
A die for eliminating a shearing crescent component force comprises an upper die and a lower die which are used for mutually matching to shear a crescent to a wheel spoke, wherein the upper die comprises an upper bottom plate and an upper cutter fixedly mounted on the upper bottom plate; the lower bottom plate is also fixedly provided with a material returning part, and the material returning part is arranged on the material returning part and is used for extending into the force limiting ring to be in close contact with the lower cutter. The die is reasonable in design, safe and reliable, and avoids damage to other parts through force limiting ring closing and material returning part matching and effectively eliminating component force generated by blanking.
Description
Technical Field
The utility model relates to the technical field of wheel production, in particular to a die for eliminating a shearing crescent component force.
Background
The wheel rim is used for fixing a tire and is arranged on a rotating shaft through a wheel spoke, the wheel spoke is used as one of important supporting parts on the wheel, the wheel spoke is a rotating component which bears load between the tire and the rim and between the wheel spoke and an axle, the bending fatigue strength of the wheel spoke determines the service life of the wheel, the bending fatigue strength of the wheel spoke is directly influenced by a wheel spoke manufacturing method, and the manufacturing quality of the wheel spoke is determined by the design of a spoke mold.
However, the existing spoke mold generates a large blanking force during blanking, particularly, when crescent blanking is performed, the blanking force generates a component force, and after long-time use, a punch press and a blade are damaged, and even the condition that the section of a workpiece is unqualified is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of the prior art and provides a crescent component force eliminating and shearing die which is reasonable in design, convenient to use and capable of effectively preventing components from being damaged due to component force.
The technical problem to be solved by the present invention is achieved by the following technical means. The utility model relates to a die for eliminating a shearing crescent component force, which comprises an upper die and a lower die, wherein the upper die and the lower die are used for mutually matching to shear a crescent to a wheel spoke, the upper die comprises an upper bottom plate and an upper cutter fixedly arranged on the upper bottom plate, the lower die comprises a lower bottom plate, a lower cutter and a force limiting ring are fixedly arranged on the lower bottom plate, the lower cutter is fixedly arranged on the lower bottom plate in the force limiting ring, the inner side surface of one side of the force limiting ring is tightly contacted with the lower cutter, the inner side surface of the other side of the force limiting ring is fixedly provided with a baffle matched with the upper cutter, and a shearing gap matched with the wheel spoke is reserved between the baffle and the lower cutter; the lower bottom plate is also fixedly provided with a material returning part, and the material returning part is arranged on the material returning part and is used for extending into the force limiting ring to be in close contact with the lower cutter.
The technical problem to be solved by the utility model can be further realized by the following technical scheme that for the die for eliminating the shearing crescent moon component force, the force limiting ring at the lower knife side is fixedly connected with the lower bottom plate through a vertical bolt, and the baffle plate is fixedly connected with the force limiting ring through a transverse bolt.
The technical problem to be solved by the utility model can be further realized by the following technical scheme that for the die for eliminating the shearing crescent component force, the heights of the baffle and the force limiting ring on the baffle side are higher than the height of the force limiting ring on the lower cutter side.
The technical problem to be solved by the utility model can be further realized by the following technical scheme that for the die for eliminating the shearing crescent component force, the material returning part is obliquely arranged, and the higher end of the material returning part is tightly contacted with the lower cutter.
The technical problem to be solved by the utility model can be further realized by the following technical scheme that for the die for eliminating the shearing crescent moon component force, the upper knife is fixedly arranged on the upper bottom plate through an upper knife backing plate, the force limiting ring is fixedly arranged on the lower bottom plate through a force limiting ring backing plate, and the lower knife is fixedly arranged on the force limiting ring backing plate through a lower knife backing plate.
The technical problem to be solved by the utility model can be further realized by the following technical scheme that for the die for eliminating the shearing crescent moon component force, a positioning piece matched with the wheel spoke is fixedly arranged on the lower die, and a lower pressing piece matched with the positioning piece is fixedly arranged on the upper die.
The technical problem to be solved by the utility model can be further realized by the following technical scheme that for the die for eliminating the shearing crescent component force, the lower pressing piece is a polyurethane rubber block.
Compared with the prior art, the utility model realizes the punching of the wheel spoke by utilizing the matching of the upper die and the lower die, and the crescent-shaped notch is arranged at the side edge of the periphery of the wheel spoke; the lower bottom plate is provided with a force limiting ring matched with the lower knife, and component force generated during blanking is transmitted to the force limiting ring through the baffle plate, and can be digested in the whole closed force limiting ring, so that other parts are not damaged; secondly, can adjust the shearing clearance through the adjustment baffle for the shearing clearance is reasonable and very stable, thereby has ensured the life-span of upper slitter blade and lower sword blade. The die is reasonable in design, safe and reliable, and avoids damage to other parts through force limiting ring closing and material returning part matching and effectively eliminating component force generated by blanking.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
fig. 2 is a state diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a die for eliminating shearing crescent component force comprises an upper die and a lower die which are used for mutually matching to shear a crescent of a wheel spoke, wherein the upper die comprises an upper bottom plate 13 and an upper knife 9 fixedly installed on the upper bottom plate 13, the upper knife 9 is fixedly installed on the upper bottom plate 13 through an upper knife backing plate 11, the lower die comprises a lower bottom plate 1, a lower knife 5 and a force limiting ring 6 are fixedly installed on the lower bottom plate 1, the force limiting ring 6 is fixedly installed on the lower bottom plate 1 through a force limiting ring backing plate 3, and the lower knife 5 is fixedly installed on the force limiting ring backing plate 3 through a lower knife backing plate 4; the upper knife 9 is matched with the lower knife 5 and used for moving up and down, and the wheel spoke placed on the lower knife 5 is blanked and sheared, and a crescent notch is formed at the edge of the wheel spoke;
the lower cutter 5 is fixedly arranged on the lower bottom plate 1 in the force limiting ring 6, the inner side surface of one side of the force limiting ring 6 is tightly contacted with the lower cutter 5, the inner side surface of the other side of the force limiting ring 6 is fixedly provided with a baffle 7 matched with the upper cutter 9, a gasket 8 is also arranged between the baffle 7 and the force limiting ring 6, and a shearing gap matched with a wheel spoke is reserved between the baffle 7 and the lower cutter 5; when the upper knife 9 descends to be matched with the lower knife 5 to punch the wheel spoke, one side of the lower knife 5 is tightly contacted with the lower knife 5, and the other side of the lower knife 5 is tightly contacted with the baffle 7, so that the whole punching force is in the whole force limiting ring 6, the component force from the upper knife 9 is transmitted to the force limiting ring 6 through the baffle 7 and the gasket 8, the component force is eliminated in the whole closed force limiting ring 6, and other parts are not damaged;
secondly, can adjust the position of baffle 7 through adjusting shim 8, and then adjust the shearing clearance better, through guaranteeing reasonable and very stable shearing clearance, guarantee the life-span of upper slitter 9 and lower sword 5 blade.
The height of the force limiting ring 6 on the side of the baffle 7 and the baffle 7 is higher than that of the force limiting ring 6 on the side of the lower knife 5, so that the force limiting ring can be conveniently guided and limited by the upper knife 9, the upper knife 9 can be better matched with the lower knife 5, and fast and accurate blanking and shearing can be performed on wheel spokes.
The force limiting ring 6 on the side of the lower knife 5 is fixedly connected with the lower bottom plate 1 through a vertical bolt, and the baffle 7 is fixedly connected with the force limiting ring 6 through a transverse bolt, so that the mounting stability and firmness of the force limiting ring 6 are ensured, the connection stability and firmness of the baffle 7 and the force limiting ring 6 are also ensured, and the component force is better eliminated.
The lower bottom plate 1 is also fixedly provided with a material returning part 2, the material returning part 2 is arranged on the material returning part and is used for extending into the force limiting ring 6 to be in close contact with the lower knife 5, and the material returning part can support the lower knife 5 and can guide out waste materials generated by punching;
the material returning part is obliquely arranged, and the higher end of the material returning part is in close contact with the lower knife 5, so that the lower knife 5 is better supported, and the waste materials generated by blanking can be output outwards more quickly.
A positioning piece 10 matched with the wheel spoke is fixedly arranged on the lower die, and a lower pressing piece 12 matched with the positioning piece 10 is fixedly arranged on the upper die. The positioning piece 10 and the lower pressing piece 12 are matched up and down to clamp and fix the wheel spoke, so that the stability of the wheel spoke is ensured, and the upper knife 9 and the lower knife 5 are matched to perform blanking operation on the wheel spoke conveniently;
the setting element 10 includes support column and the supporting bench of fixed mounting at the support column top on lower plate 1, makes things convenient for placing of wheel spoke, and the lower pressure piece 12 is the polyurethane rubber piece, has certain elasticity, when moving down along with last mould, can push down fixedly to the wheel spoke to along with the removal of last mould can produce deformation, it is tighter to push down more the wheel spoke.
When the wheel spoke limiting device is used, the upper die and the lower die are respectively fixed, then a wheel spoke is placed on a positioning piece 10 of the lower die, the upper die is driven to move downwards by an external power device such as an air cylinder, in the moving process of the upper die, a lower pressing piece 12 is in contact with the wheel spoke and is matched with the positioning piece 10 to clamp and fix the wheel spoke, then an upper knife 9 is in contact with the edge of the wheel spoke and is in up-and-down matching with a lower knife 5, a crescent notch is punched at the edge of the wheel spoke, the punching force generated by punching is in the whole limiting ring 6, and the component force from the upper knife 9 is transmitted to the limiting ring 6 through a baffle 7 and a gasket 8, so that the component force is eliminated in the whole closed limiting ring 6, and other parts are not damaged.
Claims (7)
1. The utility model provides an eliminate and cut crescent moon component force mould which characterized in that: the mold comprises an upper mold and a lower mold which are used for mutually matching to shear a crescent moon on a wheel spoke, wherein the upper mold comprises an upper bottom plate and an upper cutter fixedly arranged on the upper bottom plate, the lower mold comprises a lower bottom plate, a lower cutter and a force limiting ring are fixedly arranged on the lower bottom plate, the lower cutter is fixedly arranged on the lower bottom plate in the force limiting ring, the inner side surface of one side of the force limiting ring is tightly contacted with the lower cutter, the inner side surface of the other side of the force limiting ring is fixedly provided with a baffle matched with the upper cutter, and a shearing gap matched with the wheel spoke is reserved between the baffle and the lower cutter; the lower bottom plate is also fixedly provided with a material returning part, and the material returning part is arranged on the material returning part and is used for extending into the force limiting ring to be in close contact with the lower cutter.
2. The crescent moon component force eliminating shear die of claim 1, wherein: the force limiting ring on the lower cutter side is fixedly connected with the lower bottom plate through a vertical bolt, and the baffle plate is fixedly connected with the force limiting ring through a transverse bolt.
3. The crescent moon force component eliminating shear die as claimed in claim 1 or 2, wherein: the height of the baffle and the force limiting ring on the baffle side is higher than that of the force limiting ring on the lower cutter side.
4. The crescent moon component force eliminating shear die of claim 1, wherein: the material returning part is obliquely arranged, and the higher end of the material returning part is in close contact with the lower cutter.
5. The crescent moon component force eliminating shear die of claim 1, wherein: the upper cutter is fixedly arranged on the upper base plate through an upper cutter backing plate, the force limiting ring is fixedly arranged on the lower base plate through a force limiting ring backing plate, and the lower cutter is fixedly arranged on the force limiting ring backing plate through a lower cutter backing plate.
6. The crescent moon component force eliminating shear die of claim 1, wherein: the lower die is fixedly provided with a positioning piece matched with the wheel spoke, and the upper die is fixedly provided with a lower pressing piece matched with the positioning piece.
7. The crescent moon component force eliminating shear die of claim 6, wherein: the lower pressing piece is a polyurethane rubber block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121749009.4U CN215845145U (en) | 2021-07-29 | 2021-07-29 | Die for eliminating shearing crescent component force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121749009.4U CN215845145U (en) | 2021-07-29 | 2021-07-29 | Die for eliminating shearing crescent component force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215845145U true CN215845145U (en) | 2022-02-18 |
Family
ID=80329529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121749009.4U Active CN215845145U (en) | 2021-07-29 | 2021-07-29 | Die for eliminating shearing crescent component force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215845145U (en) |
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2021
- 2021-07-29 CN CN202121749009.4U patent/CN215845145U/en active Active
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