CN220029293U - Processing tool for automobile chassis bushing - Google Patents
Processing tool for automobile chassis bushing Download PDFInfo
- Publication number
- CN220029293U CN220029293U CN202321507434.1U CN202321507434U CN220029293U CN 220029293 U CN220029293 U CN 220029293U CN 202321507434 U CN202321507434 U CN 202321507434U CN 220029293 U CN220029293 U CN 220029293U
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- base plate
- mold core
- core
- automobile chassis
- inner core
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- 238000012545 processing Methods 0.000 title claims abstract description 14
- 238000003754 machining Methods 0.000 claims 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 description 19
- 238000013461 design Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004073 vulcanization Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a processing tool for an automobile chassis bushing, which belongs to the field of automobile part processing and comprises an upper base plate and a lower base plate, wherein at least one lower mold core is arranged on the lower base plate, the upper base plate is provided with an upper mold core corresponding to the lower mold core, the bottom surface of the upper mold core is provided with a mounting groove, the mounting groove is adapted to the upper structure of an inner core, a magnet for adsorbing the inner core is arranged in the upper mold core, the lower mold core is provided with a mounting seat for accommodating the bushing, and the bottom surface of the mounting seat is provided with a slot hole for inserting the lower end of the inner core. The inner core is pressed into the bushing, and the processing tool is simple in structure and low in production cost.
Description
Technical Field
The utility model relates to the field of production and processing of automobile parts, in particular to a processing tool for an automobile chassis bushing.
Background
With the development of electric vehicles, the weight of the whole vehicle is increased compared with that of the conventional fuel vehicle due to the components such as a battery pack, so that the chassis bushing needs to have a higher radial-axial stiffness ratio (i.e. higher radial stiffness, lower axial stiffness or axial torsion) in order to meet the driving operability and riding comfort.
The bushing generally adopts two ways to realize higher radial-axial ratio; 1. the skeleton opening mode is to design the opening of the middle skeleton and the outer skeleton of the lining. However, the skeleton of the structure has a complex molding process and high mold cost; in addition, the extrusion force of the bushing is smaller than that of the bushing adopting a closed-end framework structure. 2. And (3) respectively carrying out an inner core flaring and outer sleeve diameter reducing process on the vulcanized lining. However, the inner core has thicker wall thickness, so that the actual compression effect of the inner rubber is smaller, and the overall radial-axial ratio is limited; in addition, the inner core has thicker wall thickness, so that the flaring is also cracked.
I have proposed "a rear suspension link bushing" in 2022, application number: CN202220895029.0; the utility model discloses a vulcanization assembly, vulcanization assembly's basic shape be ring-shaped structure, the inner core include head and center pillar portion, center pillar portion be the cylindric structure that has the through-hole, the head be round platform shape structure, the bottom surface and the center pillar portion terminal surface of head be connected, center pillar portion and the coaxial setting of head, the through-hole set up and run through center pillar portion and head along the axis of inner core, center pillar portion lining at vulcanization assembly inner wall, the head be located vulcanization assembly one end outside.
Aiming at the bushing, the inventor selects to carry out outer sleeve diameter reduction and inner core pressing after the bushing is vulcanized, so as to realize inner and outer side rubber compression treatment, and meanwhile, the radial rigidity value of the bushing can be improved in a larger proportion by adjusting the aperture interference of the inner core and the inner framework in development. The utility model is correspondingly designed for the processing technology and is used for forming the automobile chassis bushing with the high aspect ratio.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a processing tool for an automobile chassis bushing, which realizes that an inner core is pressed into the bushing, and has the advantages of simple structure and low production cost.
The utility model adopts the technical scheme that: the utility model provides a processing frock of vehicle chassis bush, includes upper base plate and lower base plate, lower base plate on be provided with at least one lower mold core, upper base plate be provided with the last mold core that corresponds with lower mold core, last mold core bottom surface seted up the mounting groove, the mounting groove suits with the superstructure of inner core, be provided with the magnet that is used for adsorbing the inner core in the last mold core, lower mold core on be provided with the mount pad that is used for holding the bush, the slotted hole that supplies the inner core lower extreme male is seted up to the mount pad bottom surface.
Compared with the prior art, the utility model has the advantages that the upper base plate and the lower base plate are respectively provided with the upper mold core and the lower mold core to accommodate the inner core and the bushing. Wherein, the lining can rely on its own gravity and in the lower mold core, then the inner core of installing on last mold core will have the risk of coming off under the effect of no external force. The utility model aims at the inner core and adds the magnet in the mounting groove, and the inner core is made of steel which can be absorbed by the magnet, so that the inner core can be directly absorbed in the mounting groove of the upper mold core. According to the utility model, the fixing assembly for fixing the inner core and the bushing is not required to be additionally arranged, so that the whole tool is simple in structure and low in production cost. The upper base plate is connected with the power piece, so that the inner core can be pressed into the bushing, interference fit connection of the inner core and the bushing is realized, and the radial rigidity value of the bushing can be improved in a larger proportion.
In some embodiments of the present utility model, the inner core includes a head portion and a central pillar portion, the central pillar portion has a cylindrical structure with a through hole, the head portion has a truncated cone structure, and the mounting groove is adapted to the head portion structure, and accommodates the head portion of the inner core. The middle column part is exposed out of the mounting groove, and when the upper base plate is pressed down, the middle column is pressed into the bushing.
Because the inner core is pressed in a later procedure, the structure of the inner core is not limited by the demolding of the vulcanizing mold, and the inner core can be designed in various ways.
In some embodiments of the present utility model, the bushing includes an outer skeleton, a rubber member, an inner skeleton and two middle skeletons, wherein the inner skeleton and the outer skeleton are cylindrical structural members, the outer skeleton is sleeved outside the inner skeleton, the outer skeleton is connected with the inner skeleton through the rubber member, and the inner skeleton is embedded into the rubber member. When the upper substrate is pressed down, the middle part of the inner core is pressed into the inner framework.
In some embodiments of the utility model, the wall thickness of the inner skeleton is 1.5-2 mm. In the preferred structure of the utility model, the inner side and the outer side of the bushing are subjected to rubber compression treatment by reducing the outer sleeve and pressing the inner core into the bushing after the bushing is vulcanized. And because the inner framework structure is thinner, when the tool is pressed, the inner core is easier to press in, and the cracking probability of the inner framework is reduced.
In some embodiments of the utility model, the outer diameter of the central column portion of the inner core is greater than the inner diameter of the inner skeleton. In the design and development of the product, the radial stiffness value of the bushing can be improved in a larger proportion by adjusting the interference of the aperture of the inner core and the aperture of the inner framework.
In some embodiments of the present utility model, the lower base plate is provided with two or more lower mold cores, and the upper base plate is provided with two or more upper mold cores corresponding to the lower mold cores one by one.
In some embodiments of the present utility model, a guide sleeve is disposed at a corner of the lower substrate, a guide post is disposed on the upper substrate corresponding to the guide sleeve, the lower end of the guide post is inserted into the guide sleeve, and the guide post and the guide sleeve are coaxially disposed.
In some embodiments of the present utility model, a guide post is disposed at a corner of the lower base plate, a guide sleeve is disposed on the upper base plate corresponding to the guide post, the upper end of the guide post is inserted into the guide sleeve, and the guide post and the guide sleeve are coaxially disposed.
In the utility model, the arrangement of the guide post and the guide sleeve limits the relative movement of the upper base plate and the lower base plate, so that the movement of the upper base plate or the lower base plate is in a preset stroke.
In some embodiments of the present utility model, the upper substrate or the lower substrate is provided with a limit post, and when the upper mold core is not contacted with the upper mold core, a space is left between the limit post and the upper substrate or the lower substrate; and the upper mold core is pressed down to the upper mold core, and two ends of the limit post are respectively contacted with the upper base plate and the lower base plate. Through the design of spacing post, can accurate assurance inner core impress the displacement volume of bush inner skeleton.
Preferably, the upper substrate or the lower substrate is provided with two limit posts, and the two limit posts are respectively positioned at two sides of the upper mold core.
The above embodiments may be arbitrarily combined on the basis of common knowledge in the art.
Drawings
The utility model will be described in further detail below in connection with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the utility model. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.
FIG. 1 is a schematic view of a bushing to be processed in accordance with the present utility model;
FIG. 2 is a cross-sectional view of a bushing to be machined in accordance with the present utility model;
FIG. 3 is a schematic view of the structure of the present utility model in the working state;
FIG. 4 is a cross-sectional view of FIG. 3;
FIG. 5 is a schematic view of the structure of the upper substrate of the present utility model;
fig. 6 is a schematic view of the structure of the lower substrate of the present utility model.
Wherein, the reference numerals specifically explain as follows: 1. an inner core; 1a, head; 1b, a center pillar portion; 2. a through hole; 3. an outer skeleton; 4. a rubber member; 5. an inner skeleton; 6. a middle skeleton;
an upper substrate; 12. an upper mold core; 13. a mounting groove; 14. a guide post; 15. a limit column; 16. a lower substrate; 17. a lower mold core; 18. a mounting base; 19. guide sleeve; 20. a slot.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
An embodiment of a tooling tool for processing an automobile chassis bushing is shown in fig. 3 and 4: the novel plastic inner core comprises an upper base plate 11 and a lower base plate 16, wherein at least one lower mold core 17 is arranged on the lower base plate 16, an upper mold core 12 corresponding to the lower mold core 17 is arranged on the upper base plate 11, a mounting groove 13 is formed in the bottom surface of the upper mold core 12, the mounting groove 13 is adapted to the upper structure of the inner core 1, and a magnet for adsorbing the inner core 1 is arranged in the upper mold core 12. The utility model aims at the inner core 1 and adds magnets in the mounting groove 13, and the inner core 1 is made of steel materials which can be absorbed by the magnets, so that the inner core 1 can be directly absorbed in the mounting groove 13 of the upper mold core 12. The lower mold core 17 is provided with a mounting seat 18 for accommodating the bushing, and a slotted hole 20 for inserting the lower end of the inner core 1 is formed in the bottom surface of the mounting seat 18. The bushing can rest on its own weight in the lower core 17, and the core 1 mounted on the upper core 12 is at risk of falling off without the effect of external forces.
In the utility model, the fixing assembly for fixing the inner core 1 and the bushing is not required to be additionally arranged, so that the whole tool has a simple structure and low production cost. The upper base plate 11 is connected with the power piece, so that the inner core 1 can be pressed into the bushing, the interference fit connection between the inner core 1 and the bushing is realized, and the radial stiffness value of the bushing can be improved in a larger proportion.
In the second embodiment, as shown in fig. 1 and 2, the inner core 1 includes a head portion 1a and a central pillar portion 1b, the central pillar portion 1b has a cylindrical structure with a through hole 2, the head portion 1a has a circular truncated cone structure, the mounting groove 13 is adapted to the structure of the head portion 1a, and the mounting groove 13 accommodates the head portion 1a of the inner core 1. The center pillar portion 1b is exposed outside the mounting groove 13, and is pressed into the bush when the upper base plate 11 is pressed down.
Because the inner core 1 is pressed in a later process, the structure of the inner core 1 is not limited by the demolding of the vulcanizing mold, and various designs can be made, in the utility model, the head 1a of the inner core 1 is designed to be a conical surface, and the contact surface with a counterpart is increased, so that the inner core can bear larger force without relative sliding.
The lining comprises an outer framework 3, a rubber piece 4, an inner framework 5 and two middle frameworks 6, wherein the inner framework 5 and the outer framework 3 are cylindrical structural members, the outer framework 3 is sleeved outside the inner framework 5, the outer framework 3 is connected with the inner framework 5 through the rubber piece 4, and the inner framework 5 is embedded into the rubber piece 4. When the upper base plate 11 is pressed down, the middle portion of the core 1 is pressed into the inner frame 5.
The wall thickness of the inner framework 5 is 1.5-2 mm. In the preferred structure of the utility model, the inner side and the outer side of the bushing are subjected to rubber compression treatment by reducing the diameter of the outer sleeve and pressing the inner core 1 into the bushing after the bushing is vulcanized. And because the inner framework 5 is thinner in structure, the inner core 1 is easier to press in during tool press fitting, and the cracking probability of the inner framework 5 is reduced.
The outer diameter of the center pillar portion 1b of the inner core 1 is larger than the inner diameter of the inner frame 5. In the design and development of the product, the radial stiffness value of the bushing can be improved in a larger proportion by adjusting the interference of the apertures of the inner core 1 and the inner framework 5.
The other contents of the second embodiment are the same as those of the first embodiment.
In the third embodiment, as shown in fig. 3 to 6, two or more lower mold cores 17 are disposed on the lower base plate 16, and two or more upper mold cores 12 corresponding to the lower mold cores 17 one by one are disposed on the upper base plate 11.
The corner of the lower base plate 16 is provided with a guide sleeve 19, the upper base plate 11 is provided with a guide post 14 corresponding to the guide sleeve 19, the lower end of the guide post 14 is inserted into the guide sleeve 19, and the guide post 14 and the guide sleeve 19 are coaxially arranged. In the present utility model, the arrangement of the guide post 14 and the guide sleeve 19 limits the relative movement of the upper substrate 11 and the lower substrate 16, so that the movement of the upper substrate 11 or the lower substrate 16 is within a preset stroke.
The upper base plate 11 or the lower base plate 16 is provided with a limit post 15, and when the upper die core 12 is not contacted with the upper die core 12, a space is reserved between the limit post 15 and the upper base plate 11 or the lower base plate 16; when the upper mold core 12 is pressed down to the upper mold core 12, two ends of the limit post 15 are respectively contacted with the upper base plate 11 and the lower base plate 16. By the design of the limit column 15, the displacement of the inner core 1 pressed into the lining inner framework 5 can be accurately ensured. Preferably, two limiting posts 15 are disposed on the upper substrate 11 or the lower substrate 16, and the two limiting posts 15 are respectively located at two sides of the upper mold core 12.
The other contents of the third embodiment are the same as those of the first or second embodiments.
The foregoing has outlined rather broadly the more detailed description of the utility model in order that the detailed description of the utility model that follows may be better understood, and in order that the present utility model may be better understood. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (10)
1. The utility model provides a processing frock of auto chassis bush, its characterized in that includes upper base plate (11) and lower base plate (16), lower base plate (16) on be provided with at least one lower mold core (17), upper base plate (11) be provided with lower mold core (17) corresponding last mold core (12), last mold core (12) bottom surface seted up mounting groove (13), mounting groove (13) and the upper portion structure of inner core (1) suited, be provided with in last mold core (12) and be used for adsorbing the magnet of inner core (1), lower mold core (17) on be provided with mount pad (18) that are used for holding the bush, slotted hole (20) that supply inner core (1) lower extreme to insert are seted up to mount pad (18) bottom surface.
2. The machining tool for the automobile chassis bushing according to claim 1, wherein the inner core (1) comprises a head portion (1 a) and a middle column portion (1 b), the middle column portion (1 b) is of a cylindrical structure with a through hole (2), the head portion (1 a) is of a round table-shaped structure, the mounting groove (13) is matched with the head portion (1 a) in structure, and the mounting groove (13) is used for accommodating the head portion (1 a) of the inner core (1).
3. The processing tool for the automobile chassis bushing according to claim 2, wherein the bushing comprises an outer framework (3), a rubber part (4), an inner framework (5) and two middle frameworks (6), wherein the inner framework (5) and the outer framework (3) are cylindrical structural members, the outer framework (3) is sleeved outside the inner framework (5), the outer framework (3) is connected with the inner framework (5) through the rubber part (4), and the inner framework (5) is embedded into the rubber part (4).
4. The processing tool for the automobile chassis bushing according to claim 3, wherein the wall thickness of the inner framework (5) is 1.5-2 mm.
5. A tooling for machining a bushing of an automobile chassis according to claim 3, wherein the outer diameter of the center pillar portion (1 b) of the inner core (1) is larger than the inner diameter of the inner frame (5).
6. The tooling for machining the automobile chassis bushing according to claim 1, wherein two or more lower mold cores (17) are arranged on the lower base plate (16), and two or more upper mold cores (12) corresponding to the lower mold cores (17) one by one are arranged on the upper base plate (11).
7. The machining tool for the automobile chassis bushing according to claim 1, wherein a guide sleeve (19) is arranged at the corner of the lower base plate (16), a guide pillar (14) is arranged on the upper base plate (11) corresponding to the guide sleeve (19), the lower end of the guide pillar (14) is inserted into the guide sleeve (19), and the guide pillar (14) and the guide sleeve (19) are coaxially arranged.
8. The machining tool for the automobile chassis bushing according to claim 1, wherein guide posts (14) are arranged at corners of the lower base plate (16), guide sleeves (19) are arranged on the upper base plate (11) corresponding to the guide posts (14), the upper ends of the guide posts (14) are inserted into the guide sleeves (19), and the guide posts (14) and the guide sleeves (19) are coaxially arranged.
9. The tooling for machining the automobile chassis bushing according to claim 1, wherein the upper base plate (11) or the lower base plate (16) is provided with a limit post (15), and when the upper mold core (12) is not contacted with the upper mold core (12), a space is reserved between the limit post (15) and the upper base plate (11) or the lower base plate (16); the upper mold core (12) is pressed down to the upper mold core (12), and two ends of the limit post (15) are respectively contacted with the upper base plate (11) and the lower base plate (16).
10. The tooling for machining the automobile chassis bushing according to claim 9, wherein two limit posts (15) are arranged on the upper base plate (11) or the lower base plate (16), and the two limit posts (15) are respectively positioned on two sides of the upper mold core (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321507434.1U CN220029293U (en) | 2023-06-13 | 2023-06-13 | Processing tool for automobile chassis bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321507434.1U CN220029293U (en) | 2023-06-13 | 2023-06-13 | Processing tool for automobile chassis bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220029293U true CN220029293U (en) | 2023-11-17 |
Family
ID=88733696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321507434.1U Active CN220029293U (en) | 2023-06-13 | 2023-06-13 | Processing tool for automobile chassis bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220029293U (en) |
-
2023
- 2023-06-13 CN CN202321507434.1U patent/CN220029293U/en active Active
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