CN203316995U - Press fitting assisting tool for tire bolt on automobile hub - Google Patents
Press fitting assisting tool for tire bolt on automobile hub Download PDFInfo
- Publication number
- CN203316995U CN203316995U CN2013203398079U CN201320339807U CN203316995U CN 203316995 U CN203316995 U CN 203316995U CN 2013203398079 U CN2013203398079 U CN 2013203398079U CN 201320339807 U CN201320339807 U CN 201320339807U CN 203316995 U CN203316995 U CN 203316995U
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- Prior art keywords
- locating shaft
- workbench
- cylinder
- press
- cushion block
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Abstract
The utility model discloses a press fitting assisting tool for a tire bolt on an automobile hub. The assisting tool comprises a worktable and also comprises a positioning shaft coaxially positioned with the automobile hub; the positioning shaft is controlled by a first cylinder and is provided with an upper stop point and a lower stop point; the worktable is also in sliding match with a press fitting cushion block controlled by a second cylinder; when the positioning shaft is positioned at the upper stop point of the press fitting cushion block, the press fitting cushion block has a position in which the press fitting cushion block is pushed below the automobile hub to be attached to a to-be-press fitting part on the lower end face of the automobile hub. According to the press fitting tool for the tire bolt on the automobile hub, the press fitting quality of the tire bolt of the automobile hub can be improved, the safety and reliability of the press fitting can be improved while the press fitting efficiency is ensured, meanwhile, switching of different products can be finished by replacing the positioning shaft and the press fitting cushion block, the structure is simple and the use is convenient and reliable.
Description
Technical field
The utility model relates to a kind of accessory of assembling, more precisely, relates to the assistant pressing tool of tire bolt on a kind of automotive hub.
Background technology
The front hub tire bolt to press-fit quality directly relevant to stationarity and the security of running car; usually the pressure assembling force of tire bolt is larger; need to have corresponding power and pressure assembling force balance in press-fiting process; in current production, often can run into tire bolt press-fit not in place, to press-fit efficiency low and press-fit the situation of poor stability in process.
The common method at present the front hub of vehicle tire bolt press-fited has: do the cushion block of an annular below the position that front hub will be press-fited, after all bolts are loaded onto, the above has the pressure head of an integral body once to press-fit all bolts; Or respectively single bolt is press-fited, just a cushion block is padded in artificially below press-fiting position, completes successively press-fiting of bolt.
Because we are difficult to guarantee the uniformity of press mounting hole diameter in the process of processing, bolt is outsourcing piece simultaneously, the uniformity of its diameter also can not be guaranteed, the magnitude of interference in bolt and hole is just different like this, needed pressure is also different, if all bolts press-fit together, there will be some bolt to press-fit not in place; If hand by cushion block be placed on press mounting bolt below carry out the balance pressure assembling force; If adopt hand steered a workpiece, tramp with one's feet to control bolt and press-fited, workman's labour intensity is large, and processing safety is very poor simultaneously.
The utility model content
The utility model, in order to solve problems of the prior art, provides the assistant pressing tool of tire bolt on a kind of automotive hub.
In order to realize above-mentioned purpose, the technical solution of the utility model is: the assistant pressing tool of tire bolt on a kind of automotive hub, comprise workbench, also comprise that one for the locating shaft with the automotive hub coaxial positioning, described locating shaft is controlled by the first cylinder and has a top dead centre and lower dead center; The described workbench cushion block that press-fits that is controlled by the second cylinder that also is slidably matched, describedly press-fit cushion block and have one when locating shaft is located thereon stop, be pushed to the automotive hub below and and the automotive hub lower surface on the position of fitting, position to be press-fited.
Preferably, described locating shaft is the cylindric of upper end sealing, and is connected with the piston rod of the first cylinder by the installing hole that is opened in the locating shaft upper end, and described piston rod is provided with for the packing ring with the cooperation of installing hole lower end.
Preferably, described packing ring is spheric washer, and the contact-making surface of itself and installing hole lower end is tapered.
Preferably, described locating shaft is connected with piston rod by connecting rod, described locating shaft is the cylindric of upper end sealing, and be connected with connecting rod by the installing hole that is opened in the locating shaft upper end, described connecting rod is provided with the spheric washer coordinated for the lower end with installing hole, and the contact-making surface of itself and installing hole lower end is tapered.
Preferably, described locating shaft is connected with connecting rod by bolt, the threaded portion of described bolt penetrates installing hole and is threaded with connecting rod, spheric washer is enclosed within on threaded portion and rests on the upper surface of connecting rod, and the upper end of described locating shaft is compressed between the bolt head and spheric washer of bolt.
Preferably, the bottom of described locating shaft in the course of action of locating shaft, be positioned at all the time workbench below; When locating shaft is located thereon stop, the radial protrusion that the bottom of described locating shaft sidewall arranges and the laminating of the lower end of workbench.
Preferably, the upper surface of described radial protrusion and/or workbench lower surface are provided with buffer stopper for the position with the radial protrusion laminating.
Preferably, the below that is positioned at workbench also is provided with base plate, and described the first cylinder is fixed on this base plate, also is fixed with block on described base plate, when locating shaft is positioned at its lower dead center, and the radial protrusion that the bottom of described locating shaft sidewall arranges and cushion block laminating.
Preferably, be provided with lower buffer stopper for the position with the radial protrusion laminating on the lower surface of described radial protrusion and/or cushion block.
Preferably, described the second cylinder is fixed on workbench by air cylinder support, described air cylinder support comprises and is fixed on the workbench sidewall and for the bracket side connecting plate of the second cylinder is installed, the both sides of described bracket side connecting plate are fixed with respectively a support upper junction plate, and described support upper junction plate and workbench are bolted; Also be provided with the support floor between described bracket side connecting plate and support upper junction plate, described support upper junction plate is welded on the bracket side connecting plate by the support floor.
Assistant pressing tool of the present utility model, can improve the quality that the automobile hub tyre bolt press-fits, when guaranteeing to press-fit efficiency, also can improve the safety and reliability press-fited, can just can complete the switching of different product by changing locating shaft and press-fiting cushion block simultaneously, simple in structure, easy to use and reliable.
The accompanying drawing explanation
Fig. 1 shows the front view of the utility model assistant pressing tool.
Fig. 2 shows the top view of Fig. 1.
Fig. 3 shows the cutaway view at A-A place in Fig. 1.
Fig. 4 shows the front view of air cylinder support.
Fig. 5 shows the right view of Fig. 4.
Fig. 6 shows the assembling schematic diagram of locating shaft and connecting rod in Fig. 1.
The specific embodiment
For the technical problem that the utility model is solved, the technical scheme of employing, the technique effect of obtaining should be readily appreciated that, below in conjunction with concrete accompanying drawing, the specific embodiment of the present utility model is described further.
With reference to figure 1, in order to reduce workman's operation labour intensity, make and press-fit more reliable, safety, the utility model provides the assistant pressing tool of tire bolt on a kind of automotive hub, comprise workbench 10, this workbench 10 can be regarded the upper cover plate of accessory as, in the through hole arranged on workbench 10, is provided with a locating shaft 8, this locating shaft, for coaxial positioning automotive hub 25, can be controlled by the first cylinder 1 lifting action of this locating shaft 8.After automotive hub 25 and locating shaft 8 are combined together, this first cylinder 1 completes the location of wheel hub 25 and lifts by promoting locating shaft 8, makes this locating shaft 8 have top dead centre and the lower dead center of a motion.
Locating shaft of the present utility model 8 preferably adopts the cylinder-like structure of upper end closed, and the installing hole by being opened in locating shaft 8 upper ends and the piston rod 2 of the first cylinder 1 link together.Certain length in view of piston rod 2, can adopt a connecting rod 6 that described locating shaft 8 is coupled together with piston rod 2, in fixing, described connecting rod 6 is provided with the packing ring 11 coordinated for the lower end with installing hole, be preferably spheric washer, make the contact-making surface of itself and installing hole lower end tapered.Due to gapped between the first cylinder 1 and piston rod 2; this locating shaft 8 and be positioned at that automotive hub on locating shaft 25 is main to be supported by connecting rod 6, piston rod 2 simultaneously; may produce micro-inclination in course of action; with packing ring 11, can automatically adjust locating shaft 8; make the location of automotive hub more firm; simultaneously, also can protect this accessory in the process press-fited.
With reference to figure 6, described locating shaft 8 can be connected with connecting rod 6 by bolt, the threaded portion of described bolt penetrates installing hole and is threaded with connecting rod 6, spheric washer 11 is enclosed within on threaded portion and is against the upper surface of connecting rod 6, after assembling, the upper end of described locating shaft 6 is compressed between the bolt head and spheric washer 11 of bolt.The installing hole of the utility model locating shaft, its aperture is greater than the diameter of threaded portion, can facilitate so on the one hand bolt to pass the installing hole of locating shaft, makes on the one hand in addition the screw thread of bolt align with the screwed hole of connecting rod.Certainly, the threaded portion that is arranged in installing hole can put a sheath 12, can avoid the rigid shock between locating shaft 8 and threaded portion.Further, between bolt head and locating shaft 8, can also add a back-up ring 13, here, because connecting rod 6 will promote locating shaft 8, do and pump, the faying face of all back-up rings 13 and locating shaft 8 will polish, and has reached good connection effect.
When adopting piston rod 2 directly to be connected with locating shaft 8,11, packing ring is arranged on this piston rod 2, at this, its structure is no longer illustrated.
With reference to figure 1, Fig. 6, the height of the utility model locating shaft 8 makes its underpart be positioned at all the time the below of workbench 10, can play the effect of a guiding.When locating shaft 8 is located thereon stop, the radial protrusion 80 that the bottom of described locating shaft 8 sidewalls arranges and the laminating of the lower end of workbench 10.Move to impact and the noise of upper solstice and workbench 10 generations in order to reduce locating shaft 8, the upper surface of described radial protrusion 80 and/or workbench 10 lower surfaces are provided with buffer stopper 9 for the position with the radial protrusion laminating.
In order to fix the first cylinder 1, the below that is positioned at workbench 10 also is provided with base plate 4, and with reference to figure 1, Fig. 3, this first cylinder 1 is fixed on base plate 4 by cylinder connecting plate 3, be provided with block 5 in the both sides of the first cylinder, this block 5 is as the lower dead center of locating shaft motion.When locating shaft 8 is positioned at its lower dead center, the radial protrusion 80 of described locating shaft 8 sidewalls and 5 laminatings of this cushion block, reason based on same, be provided with lower buffer stopper 7 for the position with radial protrusion laminating on the lower surface of described radial protrusion 80 and/or cushion block 5, while to reduce locating shaft 8, moving to lower dead center with impact and the noise of cushion block 5 generations.
The radial protrusion of upper buffer stopper 9 and lower buffer stopper 7 and locating shaft can be connected by screw fixing.When the first cylinder 1 drive locating shaft 8 moves to lower dead center, lower buffer stopper 7 and block 5 laminatings, height that now can Design Orientation axle 8, make it expose the part of locating with automotive hub 25, at this moment only automotive hub 25 need be dragged and is placed on locating shaft 8 and gets final product from last process, avoid workpiece is brought up to the trouble of locating shaft.
With reference to figure 1, Fig. 2, described workbench 10 also be slidably matched one be controlled by the second cylinder 20 press-fit cushion block 15, describedly press-fit cushion block 15 and have one when locating shaft 8 is located thereon stop, be pushed to automotive hub 25 belows and and the automotive hub lower surface on the position of fitting, position to be press-fited.
When the first cylinder 1 drive locating shaft 8 moves to top dead centre, 10 laminatings of upper buffer stopper 9 and workbench, automotive hub 25 is lifted, and press-fits cushion block cylinder 20 and promotes to press-fit cushion block 15 and move, to press-fit the lower end that cushion block 15 is pushed into automotive hub 25 positions to be press-fited, so that pressure head 14 is done the action press-fited.The height that press-fits cushion block 15 makes it just between automotive hub 25 position to be press-fited and workbench 10.
Described the second cylinder 20 preferably is fixed on workbench 10 by air cylinder support 21, with reference to figure 1, Fig. 2, Fig. 4, Fig. 5, this support is by bracket side connecting plate 2101, support upper junction plate 2102, support floor 2,103 three parts form, four middle holes of bracket side connecting plate 2101 use are connected with the second cylinder 20, with three following holes, with the sidewall of workbench 10, be connected, the both sides of bracket side connecting plate 2101 weld together by two support floors 2103 and two support upper junction plates 2102, support upper junction plate 2102 is respectively by an end face that is bolted to workbench 10, make the fixing safer of cylinder, reliably.
The piston rod 19 of the second cylinder can by a push rod 17 with press-fit cushion block 15 and be connected, in order to make to press-fit cushion block 15, can steadily move reliably, a guide pad 16 is installed respectively in the both sides that press-fit cushion block 15, is made to press-fit cushion block 15 more reliable, steady in motion process; The front end that press-fits cushion block 15 has the breach of a horn mouth or other shapes, the convenient tire bolt 26 of effectively avoiding when press-fiting.
In order to guarantee the reliable connection of push rod 17 and piston rod 19, with nut 18, that it is locked at push rod 17 and piston rod 19 junctions; The head of push rod 17 fronts directly is enclosed within the groove that press-fits cushion block 15.
Can complete and connect and fix by pillar 22, intermediate support block 23 between workbench 10 and accessory base plate 4, fixed form can adopt soket head cap screw; Here also can workbench 10 and accessory base plate 4 be welded together by pillar 22, intermediate support block 23, but dismounting and the maintenance of the inconvenient accessory of the mode of welding.
Be provided with positioning key 24 on workbench 10, be used for this accessory and press base location, intermediate support block 23 just is arranged in the position that press-fits tire bolt 26, makes whole accessory rigidity when press-fiting better.
When the first cylinder 1 drive locating shaft 8 moves to top dead centre, upper buffer stopper 9 and workbench 10 laminatings, automotive hub 25 is lifted, the second cylinder 20 promotes to press-fit the position to be press-fited that cushion block 15 moves to automotive hub, pressure head 14 above forcing press is press-fit into place tire bolt 26, and after being press-fit into place, pressure head 14 and the second cylinder 20 are retracted simultaneously, manually automotive hub 25 is rotated to certain orientation, complete for the second time and press-fit; Here can be by changing locating shaft 8 and press-fiting the press-fiting of wheel hub tire bolt that cushion block 15 completes different product.As single as fruit product, also can the automatic rotation that a divided device completes workpiece be installed below the first cylinder, make the wheel hub tire bolt complete the work of press-fiting under the state that does not need artificial rotary hub.
Assistant pressing tool of the present utility model, can improve the quality that the automobile hub tyre bolt press-fits, when guaranteeing to press-fit efficiency, also can improve the safety and reliability press-fited, can just can complete the switching of different product by changing locating shaft and press-fiting cushion block simultaneously, simple in structure, easy to use and reliable.
The utility model is by preferred embodiment having carried out detailed explanation.Yet, by studying carefully above, to the variation of each embodiment with to increase be also that one of ordinary skill in the art institute is apparent.Being intended that all these variations and increasing of applicant all dropped in the scope that the utility model claim protects.
Similar numbering refers to similar element in the whole text.For clarity, the situation that some line, layer, element, parts or feature are amplified may be arranged in the accompanying drawings.
Term used herein is only for to be illustrated specific embodiment, and it not is intended to the utility model is limited.Unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) are all identical with the utility model one of ordinary skill in the art's understanding.
Claims (10)
1. the assistant pressing tool of tire bolt on an automotive hub, comprise workbench, and it is characterized in that: also comprise that one for the locating shaft with the automotive hub coaxial positioning, described locating shaft is controlled by the first cylinder and has a top dead centre and lower dead center; The described workbench cushion block that press-fits that is controlled by the second cylinder that also is slidably matched, describedly press-fit cushion block and have one when locating shaft is located thereon stop, be pushed to the automotive hub below and and the automotive hub lower surface on the position of fitting, position to be press-fited.
2. assistant pressing tool according to claim 1, it is characterized in that: described locating shaft is the cylindric of upper end sealing, and be connected with the piston rod of the first cylinder by the installing hole that is opened in the locating shaft upper end, described piston rod is provided with for the packing ring with the cooperation of installing hole lower end.
3. assistant pressing tool according to claim 2, it is characterized in that: described packing ring is spheric washer, the contact-making surface of itself and installing hole lower end is tapered.
4. assistant pressing tool according to claim 1, it is characterized in that: described locating shaft is connected with piston rod by connecting rod, described locating shaft is the cylindric of upper end sealing, and be connected with connecting rod by the installing hole that is opened in the locating shaft upper end, described connecting rod is provided with the spheric washer coordinated for the lower end with installing hole, and the contact-making surface of itself and installing hole lower end is tapered.
5. assistant pressing tool according to claim 4, it is characterized in that: described locating shaft is connected with connecting rod by bolt, the threaded portion of described bolt penetrates installing hole and is threaded with connecting rod, spheric washer is enclosed within on threaded portion and rests on the upper surface of connecting rod, and the upper end of described locating shaft is compressed between the bolt head and spheric washer of bolt.
6. according to the described assistant pressing tool of claim 1 to 5 any one, it is characterized in that: the bottom of described locating shaft in the course of action of locating shaft, be positioned at all the time workbench below; When locating shaft is located thereon stop, the radial protrusion that the bottom of described locating shaft sidewall arranges and the laminating of the lower end of workbench.
7. assistant pressing tool according to claim 6 is characterized in that: the upper surface of described radial protrusion and/or workbench lower surface for and the position of radial protrusion laminating be provided with buffer stopper.
8. according to the described assistant pressing tool of claim 1 to 5 any one, it is characterized in that: the below that is positioned at workbench also is provided with base plate, described the first cylinder is fixed on this base plate, also be fixed with block on described base plate, when locating shaft is positioned at its lower dead center, the radial protrusion that the bottom of described locating shaft sidewall arranges and cushion block laminating.
9. assistant pressing tool according to claim 8, is characterized in that: on the lower surface of described radial protrusion and/or cushion block, for the position with the radial protrusion laminating, be provided with lower buffer stopper.
10. assistant pressing tool according to claim 1, it is characterized in that: described the second cylinder is fixed on workbench by air cylinder support, described air cylinder support comprises and is fixed on the workbench sidewall and for the bracket side connecting plate of the second cylinder is installed, the both sides of described bracket side connecting plate are fixed with respectively a support upper junction plate, and described support upper junction plate and workbench are bolted; Also be provided with the support floor between described bracket side connecting plate and support upper junction plate, described support upper junction plate is welded on the bracket side connecting plate by the support floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203398079U CN203316995U (en) | 2013-06-14 | 2013-06-14 | Press fitting assisting tool for tire bolt on automobile hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203398079U CN203316995U (en) | 2013-06-14 | 2013-06-14 | Press fitting assisting tool for tire bolt on automobile hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203316995U true CN203316995U (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203398079U Withdrawn - After Issue CN203316995U (en) | 2013-06-14 | 2013-06-14 | Press fitting assisting tool for tire bolt on automobile hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203316995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286547A (en) * | 2013-06-14 | 2013-09-11 | 安徽江淮汽车股份有限公司 | Press fitting accessory for tire bolts on automobile hub |
-
2013
- 2013-06-14 CN CN2013203398079U patent/CN203316995U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286547A (en) * | 2013-06-14 | 2013-09-11 | 安徽江淮汽车股份有限公司 | Press fitting accessory for tire bolts on automobile hub |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131204 Effective date of abandoning: 20160302 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |