CN220049982U - Front fork mold of bicycle - Google Patents
Front fork mold of bicycle Download PDFInfo
- Publication number
- CN220049982U CN220049982U CN202321632068.2U CN202321632068U CN220049982U CN 220049982 U CN220049982 U CN 220049982U CN 202321632068 U CN202321632068 U CN 202321632068U CN 220049982 U CN220049982 U CN 220049982U
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- mold
- fixed
- mounting box
- die
- threaded rod
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- 239000000872 buffer Substances 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 7
- 238000004512 die casting Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a bicycle front fork mold, which comprises a mounting box, wherein a base is arranged at the center of the upper end of the mounting box, a lower mold is fixed at the center of the upper end of the base, a pair of guide rods are symmetrically fixed at the left side and the right side of the upper end of the base, a pair of threaded rods are symmetrically arranged at the left side and the right side of the mounting box, the lower end of each threaded rod penetrates through the upper wall of the mounting box and is connected with a bearing of the mounting box, a top plate is arranged on each threaded rod and is in threaded connection with the threaded rod, an upper mold is fixed at the center of the lower end of the top plate, a buffer mechanism is arranged on each guide rod, and a power mechanism connected with each threaded rod is arranged in the mounting box. The utility model has the advantages that: the threaded rod is rotated through the power mechanism, so that the top plate drives the upper die to lift and the lower die to be matched with or opened from the die, and the die is simple and convenient; the guide rod guides the mold to prevent the mold from shaking or being misaligned during mold closing, and the buffer mechanism buffers the mold to prevent the mold from being damaged due to overlarge impact force during mold closing, so that the service life of the mold is shortened.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to a bicycle front fork die.
Background
The front fork part is in the front part of the bicycle structure, the upper end of the front fork part is connected with the handlebar part, the frame part is matched with the front pipe, and the lower end of the front fork part is matched with the front shaft part to form a guiding system of the bicycle.
The bicycle front fork is generally formed by die casting with a die casting mold, the die casting mold is a method for casting liquid die forging, a process finished on a special die casting mold forging machine, the basic technological process is as follows: the molten metal is cast at a low speed or a high speed and is filled into the cavity of the die, the die is provided with a movable cavity surface, the die is pressed and forged along with the cooling process of the molten metal, so that not only is the shrinkage cavity shrinkage porosity defect of a blank eliminated, but also the internal structure of the blank reaches the broken crystal grains in a forged state, the comprehensive mechanical property of the blank is obviously improved, but the existing die casting die is easy to shake in the die casting process, and the die is difficult to open and close.
Disclosure of Invention
The utility model aims to solve the technical problems that: the front fork mold for the bicycle is provided for overcoming the problems.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a bicycle front fork mould, includes the mounting box, the base is installed at mounting box upper end center, base upper end center is fixed with the bed die, base upper end left and right sides symmetry is fixed with a pair of guide bar, mounting box left and right sides symmetry is equipped with a pair of threaded rod, the threaded rod lower extreme passes mounting box upper wall and is connected with case upper wall, interior bottom wall bearing, be equipped with roof threaded connection on the threaded rod, roof lower extreme center is fixed with the mould, install buffer gear on the guide bar, install the power device who is connected with the threaded rod in the mounting box.
Further, the top plate is composed of a rectangular plate and conical plates which are symmetrical left and right, and a pair of threaded holes which are in threaded connection with the threaded rod and a pair of through holes which are in sliding connection with the guide rod are formed in the left side and the right side of the top plate.
Further, the centers of the lower die and the upper die are aligned and installed.
Further, the buffer mechanism comprises a sleeve rod fixed at the lower end of the top plate and in sliding connection with the guide rod, a buffer spring is arranged at the lower end of the sleeve rod and fixed at the upper end of the base, and a sleeve plate in sliding connection with the guide rod is fixed at the upper end of the buffer spring.
Further, the power mechanism comprises a double-end motor fixed on the inner bottom wall of the mounting box through a motor bracket, a transmission shaft is arranged at the left output end and the right output end of the double-end motor, a first bevel gear is fixed at the other end of the transmission shaft, and a second bevel gear meshed with the first bevel gear is arranged at the lower end of the threaded rod.
Further, support plates connected with the transmission shaft bearings are arranged on the left side and the right side in the installation box.
Further, a limiting plate is fixed at the upper end of the threaded rod.
Compared with the prior art, the utility model has the advantages that:
the threaded rod is rotated forward or reversely through the power mechanism, so that the top plate drives the upper die to lift and the lower die to be closed or opened, and the die is simple and convenient;
in the process of die assembly or die opening, the upper die and the lower die are prevented from shaking or being misaligned during die assembly through the guide of the guide rod;
the buffer mechanism is used for buffering, so that the impact force is prevented from being too large when the upper die and the lower die are closed, the die is damaged, and the service life of the die is shortened;
the transmission shaft is supported by the supporting plate, so that the transmission shaft is prevented from bending or shaking, the gear engagement is affected, and the upper wall of the mounting box is supported and prevented from collapsing;
the limiting plate prevents the top plate from being separated from the threaded rod when moving upwards, so that the upper die is fallen and damaged.
Drawings
Fig. 1 is an overall construction diagram of a front fork mold of the present utility model.
Fig. 2 is a top plate structure diagram of a front fork mold of the present utility model.
As shown in the figure: the mounting box 1, the base 2, the lower die 3, the guide rod 4, the threaded rod 5, the top plate 6, the rectangular plate 601, the conical plate 602, the threaded hole 603, the through hole 604, the upper die 7, the buffer mechanism 8, the power mechanism 9, the loop bar 10, the buffer spring 11, the loop plate 12, the motor bracket 13, the double-headed motor 14, the transmission shaft 15, the first bevel gear 16, the second bevel gear 17, the support plate 18 and the limiting plate 19.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, a front fork mold of bicycle comprises a mounting box 1, a base 2 is installed at the center of the upper end of the mounting box 1, a lower mold 3 is fixed at the center of the upper end of the base 2, a pair of guide rods 4 are symmetrically fixed on the left side and the right side of the upper end of the base 2, a pair of threaded rods 5 are symmetrically arranged on the left side and the right side of the mounting box 1, the lower end of each threaded rod 5 penetrates through the upper wall of the mounting box 1 and is connected with the upper wall and an inner bottom wall of the box through bearings, a top plate 6 is arranged on each threaded rod 5 in threaded connection, an upper mold 7 is fixed at the center of the lower end of each top plate 6, a buffer mechanism 8 is safely arranged in each guide rod 4, and a power mechanism 9 connected with each threaded rod 5 is arranged in the mounting box 1.
In the concrete implementation of the utility model, the power mechanism 9 is started, the threaded rod 5 is rotated forwards or reversely, the top plate 6 drives the upper die 7 to lift and clamp or open the lower die 3, the guide rod 4 is used for guiding the upper die 7 and the lower die 3 in the process, the upper die 7 and the lower die 3 are prevented from shaking or being misaligned in clamping, the buffer mechanism 8 is used for buffering, the excessive impact force is prevented from damaging the dies when the upper die 7 and the lower die 3 are clamped, and the service life of the dies is shortened.
Referring to fig. 2, the top plate 6 is composed of a rectangular plate 601 and a tapered plate 602 symmetrical left and right, and a pair of screw holes 603 screwed with the threaded rod 5 and a pair of through holes 604 slidingly connected with the guide rod 4 are provided on the left and right sides of the top plate 6.
With reference to fig. 1, the lower die 3 and the upper die 7 are arranged in a central alignment manner.
The die cavity of the die composed of the lower die 3 and the upper die 7 is aligned with the die cavity, and burrs of a finished product are reduced.
Referring to fig. 1, the buffer mechanism 8 includes a sleeve rod 10 fixed at the lower end of the top plate 6 and slidably connected with the guide rod 4, a buffer spring 11 is disposed at the lower end of the sleeve rod 10 and fixed at the upper end of the base 2, and a sleeve plate 12 slidably connected with the guide rod 4 is fixed at the upper end of the buffer spring 11.
When the threaded rod 5 rotates to enable the top plate 6 to move downwards, the lower end of the sleeve rod 10 gradually contacts the sleeve plate 12 and is buffered by the buffer spring 11, so that the excessive impact force is prevented when the upper die 7 and the lower die 3 are closed, the die is damaged, and the service life of the die is shortened.
Referring to fig. 1, the power mechanism 9 includes a double-headed motor 14 fixed to the inner bottom wall of the mounting box 1 by a motor bracket 13, a transmission shaft 15 is disposed at the left and right output ends of the double-headed motor 14, a first bevel gear 16 is fixed at the other end of the transmission shaft 15, and a second bevel gear 17 meshed with the first bevel gear 16 is disposed at the lower end of the threaded rod 5.
The double-headed motor 14 is started, the threaded rod 5 is rotated through the transmission shaft 15 and the meshing gear, so that the top plate 6 drives the upper die 7 to lift and the lower die 3 to be closed or opened, and the die is simple and convenient.
With reference to the accompanying drawings, support plates 18 in bearing connection with the transmission shaft 15 are arranged on the left and right sides in the installation box 1.
The drive shaft 15 is supported by the support plate 18 to prevent it from bending or rattling, to affect gear engagement, and to function as a support for the upper wall of the mounting case 1 to prevent it from collapsing.
With reference to the accompanying drawings, a limiting plate 19 is fixed at the upper end of the threaded rod 5.
The upper die 7 is prevented from falling out of the threaded rod 5 by the restricting plate 19 when the top plate 6 moves upward.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (7)
1. The utility model provides a bicycle front fork mould, includes mounting box (1), its characterized in that: the novel automatic feeding device is characterized in that the base (2) is arranged at the center of the upper end of the mounting box (1), the lower die (3) is fixed at the center of the upper end of the base (2), a pair of guide rods (4) are symmetrically fixed at the left side and the right side of the upper end of the base (2), a pair of threaded rods (5) are symmetrically arranged at the left side and the right side of the mounting box (1), the lower end of each threaded rod (5) penetrates through the upper wall of the mounting box (1) and is connected with the upper wall and an inner bottom wall of the box through bearings, a top plate (6) is arranged on each threaded rod (5) in a threaded mode, an upper die (7) is fixed at the center of the lower end of each top plate (6), a buffer mechanism (8) is safely arranged in each guide rod (4), and a power mechanism (9) connected with each threaded rod (5) is arranged in the mounting box (1).
2. A bicycle front fork mold as defined in claim 1, wherein: the top plate (6) is composed of a rectangular plate (601) and conical plates (602) which are symmetrical left and right, and a pair of threaded holes (603) which are in threaded connection with the threaded rod (5) and a pair of through holes (604) which are in sliding connection with the guide rod (4) are formed in the left side and the right side of the top plate (6).
3. A bicycle front fork mold as defined in claim 1, wherein: the centers of the lower die (3) and the upper die (7) are aligned.
4. A bicycle front fork mold as defined in claim 1, wherein: the buffer mechanism (8) comprises a sleeve rod (10) which is fixed at the lower end of the top plate (6) and is in sliding connection with the guide rod (4), a buffer spring (11) is arranged at the lower end of the sleeve rod (10) and is fixed at the upper end of the base (2), and a sleeve plate (12) which is in sliding connection with the guide rod (4) is fixed at the upper end of the buffer spring (11).
5. A bicycle front fork mold as defined in claim 1, wherein: the power mechanism (9) comprises a double-end motor (14) fixed on the inner bottom wall of the mounting box (1) through a motor bracket (13), a transmission shaft (15) is arranged at the left output end and the right output end of the double-end motor (14), a first bevel gear (16) is fixed at the other end of the transmission shaft (15), and a second bevel gear (17) meshed with the first bevel gear (16) is arranged at the lower end of the threaded rod (5).
6. A bicycle front fork mold as defined in claim 5, wherein: support plates (18) in bearing connection with the transmission shaft (15) are arranged on the left side and the right side in the installation box (1).
7. A bicycle front fork mold as defined in claim 1, wherein: and a limiting plate (19) is fixed at the upper end of the threaded rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321632068.2U CN220049982U (en) | 2023-06-26 | 2023-06-26 | Front fork mold of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321632068.2U CN220049982U (en) | 2023-06-26 | 2023-06-26 | Front fork mold of bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220049982U true CN220049982U (en) | 2023-11-21 |
Family
ID=88751752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321632068.2U Active CN220049982U (en) | 2023-06-26 | 2023-06-26 | Front fork mold of bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220049982U (en) |
-
2023
- 2023-06-26 CN CN202321632068.2U patent/CN220049982U/en active Active
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