CN209969379U - Finishing die for wheel fitting - Google Patents
Finishing die for wheel fitting Download PDFInfo
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- CN209969379U CN209969379U CN201920587093.0U CN201920587093U CN209969379U CN 209969379 U CN209969379 U CN 209969379U CN 201920587093 U CN201920587093 U CN 201920587093U CN 209969379 U CN209969379 U CN 209969379U
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- 230000008602 contraction Effects 0.000 claims description 21
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 210000003746 feather Anatomy 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009414 blockwork Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a finishing mould for wheel accessories, including last mould assembly and lower mould assembly, it includes deflector, cope match-plate pattern, nut, cone, the piece that expands, fixed plate, double-screw bolt, feather key, clamp plate, extension spring down, goes up extension spring and guide pin bushing to go up mould assembly, lower mould assembly includes lower bolster, lower mould, spring, shrink piece, material returned board, lower mould outer lane, feather key, baffle and guide pillar. The utility model discloses can utilize one set of mould to realize that the work piece is direct local expansion after the local shrink, compensate the work piece because of the inconsistent problem of deformation diameter size, reduction in production cost improves production efficiency.
Description
Technical Field
The utility model relates to the technical field of machining, concretely relates to finishing mould for wheel accessories.
Background
The section of the section steel of the wheel accessory belongs to a complex section, the thickness difference is large, the diameter difference of a blank is large due to deformation after rolling, the required precision cannot be achieved by adopting an expansion or contraction method at present, and 2 sets of dies and equipment are input by adopting a method of processing by adopting two processes of expansion and contraction, so that the input cost is high, and the processing efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a finishing mould for wheel accessories, work piece size precision is high, and the input cost is low, improves production efficiency.
In order to achieve the above object, the utility model provides a following technical scheme:
a finishing die for wheel accessories comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an expansion block, the lower die assembly comprises a lower die and a contraction block, a workpiece to be processed is placed in the lower die, the upper die assembly is pressed downwards, the lower section of the expansion block enters the inner side of the workpiece, and a processing cavity for forming the workpiece to be processed is defined among the upper end surface of the lower die, the inner side surface of the contraction block and the outer side surface of the expansion block;
the expansion block presses the contraction block downwards, and the workpiece to be processed is locally contracted; and the expansion block is pressed down in place, and the part of the workpiece to be processed is expanded.
The upper die assembly further comprises an expansion block expansion device, the expansion block expansion device comprises a cone, a stud, a nut, a fixing plate and an upper die plate, the fixing plate and the nut are sequentially and fixedly connected below the upper die plate through hexagon socket head cap screws, the stud is screwed on the inner side of the nut, the cone is fixedly connected below the stud through the hexagon socket head cap screws, the cone is fixedly connected with the upper die plate through the hexagon head cap screws penetrating through the stud, and the inner wall surface of the expansion block is in wedge fit with the outer wall surface of the cone.
The upper die assembly further comprises an expansion block shrinking device, the expansion block shrinking device comprises a guide plate, a pressing plate, a sliding key, a lower tension spring and an upper tension spring, the guide plate is arranged below the fixed plate and sleeved on the outer side of the nut, a plurality of key grooves are formed in the lower end surface of the guide plate and the pressing plate, the sliding key is connected in the key grooves in a left-right sliding mode, and the sliding key is fixedly connected to the upper portion of the expansion block through an inner hexagonal cylindrical head screw;
the bottom of the expanding block is provided with a lower annular groove, a lower tension spring is clamped in the lower annular groove, an upper annular groove is formed in the outer wall surface of the upper portion of the expanding block, and an upper tension spring is clamped in the upper annular groove.
The lower die assembly further comprises a lower die plate, a spring and a stripper plate, the stripper plate is arranged above the lower die plate, the lower die is fixedly connected above the stripper plate through hexagon socket head cap screws, 6-12 round holes are formed in the stripper plate, a groove is formed in the position, corresponding to the round holes, of the lower die plate, and the spring extending into the round holes is inserted in the groove. When the contraction block works, the contraction block is jacked up by the spring through the upper die and ascends, and is pressed down by the expansion block and descends.
The lower die assembly further comprises a lower die outer ring, a guide key and a baffle plate, the lower die outer ring is fixedly connected above the lower die plate through an inner hexagonal cylindrical head screw, the annular baffle plate is fixedly connected above the lower die outer ring through an inner hexagonal cylindrical head screw, and the stripper plate is arranged above the lower die plate and on the inner side of the lower die outer ring;
the inner wall surface of the lower die outer ring is an inverted cone table surface, 6-12 guide keys are uniformly distributed on the inverted cone table surface, and each guide key is connected with a contraction block in an up-and-down sliding mode.
Furthermore, the guide key is fixedly connected with the lower die outer ring through an inner hexagonal socket head cap screw.
Wherein, the lower part of the inner side of the contraction block is provided with an annular groove for accommodating the lower die.
The upper die assembly comprises an upper die plate, the lower die assembly comprises a lower die plate, guide sleeves are fixedly connected to four corners of the upper die plate respectively, guide pillars are fixedly connected to four corners of the lower die plate respectively, and the upper ends of the guide pillars are inserted into the guide sleeves in a one-to-one correspondence mode.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
in the technical scheme, the utility model discloses can utilize one set of mould to realize that the local shrink back of work piece is direct local to expand, compensate the work piece because of the inconsistent problem of deformation diameter size, reduction in production cost improves production efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front sectional view of the outer ring of the middle and lower dies of the present invention;
fig. 3 is a bottom view of the outer ring of the middle and lower dies of the present invention;
FIG. 4 is a front cross-sectional view of the middle shrinking block of the present invention;
FIG. 5 is a top view of the retraction block of FIG. 4 taken along line A-A;
fig. 6 is a front sectional view of the expanding block of the present invention;
fig. 7 is a top view of the expanding block of the present invention;
fig. 8 is a left side view of the expanding block of the present invention.
Reference numerals:
1. a lower template; 2. a lower die; 3. a spring; 4. a contraction block; 5. a guide plate; 6. a material returning plate; 7. an outer ring of the lower die; 8. mounting a template; 9. a guide key; 10. a baffle plate; 11. a nut; 12. a cone; 13. an expansion block; 14. a fixing plate; 15. a stud; 16. a sliding key; 17. pressing a plate; 18. a lower tension spring; 19. a socket head cap screw; 20. a socket head cap screw; 21. a socket head cap screw; 22. a socket head cap screw; 23. a socket head cap screw; 28. a socket head cap screw; 29. a socket head cap screw; 30. a socket head cap screw; 24. a hexagonal head screw; 25. an upper tension spring; 26. a guide sleeve; 27. and (6) a guide pillar.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The utility model discloses adopt earlier to present wheel accessory to expand the method of two processes processing of post shrink that rises, the input cost is high, and the problem that machining efficiency is low provides a finishing mould for wheel accessory.
As shown in fig. 1, the embodiment of the utility model provides a finishing mould for wheel accessories, including last mould subassembly and lower mould subassembly, it includes deflector 5, cope match-plate pattern 8, nut 11, cone 12, expands piece 13, fixed plate 14, double-screw bolt 15, feather key 16, clamp plate 17, lower extension spring 18, goes up extension spring 25 and guide pin bushing 26 to go up the mould subassembly, fixed plate 14 and nut 11 are fixed connection in proper order in the below of cope match-plate pattern 8 through hexagon socket head cap screw 20, double-screw bolt 15 spiro union is in the inboard of nut 11, cone 12 passes through hexagon socket head cap screw fixed connection in the below of double-screw bolt 15, cone 12 is through a hexagon head cap screw 24 and the cope match-plate pattern 8 fixed connection who runs through double-screw bolt 15.
The guide plate 5 is arranged below the fixing plate 14 and sleeved outside the nut 11, a plurality of key grooves are formed on the lower end face of the guide plate 5 and the pressing plate 17, sliding keys 16 are connected in the key grooves in a left-right sliding mode, the sliding keys 16 are fixedly connected above the expansion blocks 13 through hexagon socket head cap screws 22, and the inner wall face of each expansion block 13 is in wedge fit with the outer wall face of the cone 12.
The bottom of the expanding block 13 is provided with a lower annular groove, a lower tension spring 18 is clamped in the lower annular groove, an upper annular groove is formed in the outer wall surface of the upper portion of the expanding block 13, and an upper tension spring 25 is clamped in the upper annular groove.
Guide sleeves 26 are fixedly connected to four corners of the upper template 8 respectively.
The lower die assembly comprises a lower die plate 1, a lower die 2, a spring 3, a shrinkage block 4, a stripper plate 6, a lower die outer ring 7, a guide key 9, a baffle 10 and a guide pillar 27, wherein the lower die outer ring 7 is fixedly connected above the lower die plate 1 through an inner hexagonal socket head cap screw 21, the annular baffle 10 is fixedly connected above the lower die outer ring 7 through an inner hexagonal socket head cap screw 19, and the lower die plate 1, the lower die outer ring 7 and the baffle 10 are fixedly connected to form a lower die body.
The stripper plate 6 is arranged above the lower template 1 and on the inner side of the lower die outer ring 7, the lower die 2 is fixedly connected above the stripper plate 6 through hexagon socket head cap screws 28, 6-12 round holes are formed in the stripper plate 6, a groove is formed in the lower template 1 corresponding to the round holes, and a spring 3 extending into the round holes is inserted in the groove.
The inner wall surface of the lower die outer ring 7 is an inverted cone table surface, 6-12 guide keys 9 are uniformly connected to the inverted cone table surface through inner hexagonal socket head screws 23, and each guide key 9 is connected with a contraction block 4 in an up-and-down sliding mode.
Four corners of the lower template 1 are respectively fixedly connected with a guide post 27, and the upper ends of the guide posts 27 are inserted into the guide sleeves 26 in a one-to-one correspondence manner.
The lower die 2 is positioned below the expansion block 13, an annular groove for accommodating the lower die 2 is formed in the lower portion of the inner side of the contraction block 4, and a processing cavity for forming a workpiece to be processed is formed by enclosing the upper portion of the lower die 2, the inner side of the upper portion of the contraction block 4 and the outer side of the lower portion of the expansion block 13.
The utility model discloses a theory of operation does: before working, the upper die assembly is lifted, the upper die plate 8, the fixing plate 14, the nut 11, the stud 15 and the cone 12 ascend, the guide plate 5 is hung on the cone 12 through the sliding key 16 with the expansion block 13, and the expansion block 13 contracts under the action of the upper tension spring 18 and the lower tension spring 25; the lower die 2 rises under the action of the spring 3 to drive the contraction block 4 to move upwards along the guide key 9 to open, and a workpiece to be processed is placed on the lower die 2;
the upper die assembly moves downwards, the upper end of the guide pillar 27 enters the inner side of the guide sleeve 26, the expansion block 13 enters the inner side of the workpiece, the workpiece continues to be pressed downwards, the expansion block 13 drives the contraction block 4 to move downwards to the stripper plate 6, and the workpiece is locally contracted; the upper die assembly continues to move downwards, and the expansion block 3 expands outwards under the action of the cone, so that the local expansion of the workpiece is realized.
The utility model provides a finishing mould has compensatied the work piece because of the inconsistent problem of deformation diameter size, realizes local shrink back location, and one set of mould realizes that local expansion rises. The guide plate and the nut are high in matching precision, and the die cannot deflect when being pressed downwards.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
In the description of the present invention, it is to be understood that the terms "upper", "one end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description of the present invention and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that the terms "provided with" and "connected" are to be interpreted broadly, unless explicitly stated or limited otherwise. For example, the connection can be fixed, detachable or integrated; may be directly connected or indirectly connected through an intermediate. The fixed connection can be common technical schemes such as welding, threaded connection and clamping. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A finishing die for wheel accessories is characterized by comprising an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an expansion block, the lower die assembly comprises a lower die and a contraction block, a workpiece to be processed is placed in the lower die, the upper die assembly is pressed downwards, the lower section of the expansion block enters the inner side of the workpiece, and a processing cavity for forming the workpiece to be processed is defined among the upper end surface of the lower die, the inner side surface of the contraction block and the outer side surface of the expansion block;
the expansion block presses the contraction block downwards, and the workpiece to be processed is locally contracted; and the expansion block is pressed down in place, and the part of the workpiece to be processed is expanded.
2. The finishing mold for wheel accessories as claimed in claim 1, wherein the upper mold assembly further comprises an expansion block expansion device, the expansion block expansion device comprises a cone, a stud, a nut, a fixing plate and an upper mold plate, the fixing plate and the nut are sequentially and fixedly connected to the lower portion of the upper mold plate through hexagon socket head cap screws, the stud is screwed to the inner side of the nut, the cone is fixedly connected to the lower portion of the stud through the hexagon socket head cap screws, the cone is fixedly connected to the upper mold plate through a hexagon head cap screw penetrating through the stud, and the inner wall surface of the expansion block is in wedge fit with the outer wall surface of the cone.
3. The finishing die for the wheel accessory according to claim 1 or 2, wherein the upper die assembly further comprises an expansion block contraction device, the expansion block contraction device comprises a guide plate, a pressure plate, a sliding key, a lower tension spring and an upper tension spring, the guide plate is arranged below the fixed plate and sleeved on the outer side of the nut, a plurality of key grooves are formed in the lower end surface of the guide plate and the pressure plate, the sliding key is connected in the key grooves in a left-right sliding mode, and the sliding key is fixedly connected above the expansion block through an inner hexagonal cylindrical head screw;
the bottom of the expanding block is provided with a lower annular groove, a lower tension spring is clamped in the lower annular groove, an upper annular groove is formed in the outer wall surface of the upper portion of the expanding block, and an upper tension spring is clamped in the upper annular groove.
4. The finishing die for the wheel part as claimed in claim 1, wherein the lower die assembly further comprises a lower die plate, a spring and a stripper plate, the stripper plate is arranged above the lower die plate, the lower die is fixedly connected above the stripper plate through hexagon socket head cap screws, 6-12 round holes are formed in the stripper plate, a groove is formed in the lower die plate corresponding to the round holes, and the spring extending into the round holes is inserted into the groove.
5. The finishing die for the wheel accessory according to claim 4, wherein the lower die assembly further comprises a lower die outer ring, a guide key and a baffle plate, the lower die outer ring is fixedly connected above the lower die plate through an inner hexagonal socket head cap screw, the annular baffle plate is fixedly connected above the lower die outer ring through an inner hexagonal socket head cap screw, and the stripper plate is arranged above the lower die plate and on the inner side of the lower die outer ring;
the inner wall surface of the lower die outer ring is an inverted cone table surface, 6-12 guide keys are uniformly distributed on the inverted cone table surface, and each guide key is connected with a contraction block in an up-and-down sliding mode.
6. The finishing mold for wheel parts according to claim 5, wherein the guide key is fixedly connected with the lower mold outer ring by a socket head cap screw.
7. The finishing mold for wheel parts according to claim 1, wherein the inside lower portion of the shrinkage block is provided with an annular groove for receiving the lower mold.
8. The finishing die for wheel accessories of claim 1, wherein the upper die assembly comprises an upper die plate, the lower die assembly comprises a lower die plate, guide sleeves are fixedly connected to four corners of the upper die plate respectively, guide pillars are fixedly connected to four corners of the lower die plate respectively, and upper ends of the guide pillars are inserted into the guide sleeves in a one-to-one correspondence manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920587093.0U CN209969379U (en) | 2019-04-26 | 2019-04-26 | Finishing die for wheel fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920587093.0U CN209969379U (en) | 2019-04-26 | 2019-04-26 | Finishing die for wheel fitting |
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| Publication Number | Publication Date |
|---|---|
| CN209969379U true CN209969379U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920587093.0U Active CN209969379U (en) | 2019-04-26 | 2019-04-26 | Finishing die for wheel fitting |
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| CN (1) | CN209969379U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029409A (en) * | 2021-11-16 | 2022-02-11 | 柳州市泰坦宇翔钢圈有限公司 | Novel barrel expansion and contraction die |
-
2019
- 2019-04-26 CN CN201920587093.0U patent/CN209969379U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029409A (en) * | 2021-11-16 | 2022-02-11 | 柳州市泰坦宇翔钢圈有限公司 | Novel barrel expansion and contraction die |
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