CN209850446U - Automobile brake disc adds clamping apparatus - Google Patents
Automobile brake disc adds clamping apparatus Download PDFInfo
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- CN209850446U CN209850446U CN201920668049.2U CN201920668049U CN209850446U CN 209850446 U CN209850446 U CN 209850446U CN 201920668049 U CN201920668049 U CN 201920668049U CN 209850446 U CN209850446 U CN 209850446U
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- pressure plate
- brake disc
- connecting column
- hole
- outer pressure
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Abstract
The utility model relates to the technical field of automobile part processing, in particular to an automobile brake disc processing clamp, which comprises an outer pressure plate used for compressing a brake disc blank, wherein a plurality of positioning pin mounting holes are uniformly arranged on the outer pressure plate close to the edge position, the positioning pin mounting holes can detachably mount positioning pins, a connecting column is arranged at the middle position of the outer pressure plate, the outer pressure plate is connected with an inner pressure plate through the connecting column, a connecting hole matched with the connecting column is arranged on the inner pressure plate, the brake disc blank can be mounted between the outer pressure plate and the inner pressure plate, a fixing column used for clamping the inner pressure plate to a lathe chuck is also arranged at the middle position of the inner pressure plate, a bolt hole is arranged at the middle position of the outer pressure plate, the bolt hole passes through the connecting column, a threaded hole is arranged at the position corresponding to, the casting blank of brake disc is conveniently clamped and positioned.
Description
Technical Field
The utility model relates to an automobile parts processing technology field especially relates to an automobile brake disc adds clamping apparatus.
Background
The brake disc is a metal disc, is made of alloy steel, is fixed on a wheel and rotates along with the wheel. When a vehicle steps on the brake in the running process, the brake calipers clamp the brake disc to play the role of speed reduction or parking. The brake disc is generally provided with a round hole, and the round hole has the functions of reducing weight and increasing friction force. The brake discs are various in types and are characterized in that the wall is thin, and the disc and the center are formed by sand cores. Different types of brake discs have differences in disc diameter, disc thickness and size of a gap between two discs, and the thickness and the height of a disc hub are different.
The technological process of brake disc includes the following steps of rough turning (machining large outer circular surface, middle hole, small circular end surface, side surface, right braking surface, left braking surface and inner side holes), semi-fine turning (large outer circular surface, left braking surface, inner layer holes, small outer circular surface, end surface, middle hole and right braking surface), fine turning (groove, right braking surface, left braking surface, small circular end surface, left bottom circular surface and inner hole chamfer), drilling, deburring, inspecting and warehousing, because the large outer circular surface, the middle hole and the small circle have more errors and burrs in the casting process, the existing brake disc clamp, such as the brake disc grinding clamp disclosed in application number 2016103310013, comprises a main shaft, and a positioning plate, a positioning block, a pressing block and a locking piece which are sequentially arranged on the main shaft, wherein the locking piece is arranged close to the shaft end, and the positioning plate and the positioning block are respectively and fixedly connected with the main shaft; the positioning plate is vertical to the main shaft, a through hole is arranged in the center of the positioning plate in the horizontal direction, and the positioning plate is sleeved on the surface of the main shaft through the through hole; the pressing block is provided with a through hole in the horizontal direction, the pressing block is movably sleeved on the main shaft through the through hole, the pressing block is opposite to the side face of the positioning block, a groove for avoiding the positioning block is formed in the side face of the positioning block, the pressing block can fix a brake disc passing through a rough turning machine, grinding is convenient, and the positioning precision is poor when the pressing block is used for casting blanks.
Disclosure of Invention
An object of the utility model is to overcome not enough among the prior art, provide a convenient automobile brake disc adds clamping apparatus who presss from both sides tight location to the casting blank of brake disc.
The utility model discloses a realize through following technical scheme: an automobile brake disc machining clamp comprises an outer pressure disc used for compressing a brake disc blank, a plurality of positioning pin mounting holes are uniformly formed in the position, close to the edge, of the outer pressure disc, the positioning pin mounting holes can detachably mount positioning pins, the positioning pins are matched with the mounting holes of the brake disc blank, a connecting column is arranged in the middle of the outer pressure disc, the connecting column is one of a triangular prism, a quadrangular prism, a hexagonal prism and a spline shaft, the outer pressure disc is connected with an inner pressure disc through the connecting column, connecting holes matched with the connecting column are formed in the inner pressure disc, the brake disc blank can be mounted between the outer pressure disc and the inner pressure disc, a fixing column clamped to a lathe chuck is further arranged in the middle of the inner pressure disc, a bolt hole is formed in the middle of the outer pressure disc, the bolt hole penetrates through the connecting column, the outer pressure plate and the inner pressure plate are detachably connected through fastening bolts.
Further, there are 3, 4, 5, 6, 8, 10 or 12 positioning pin mounting holes.
Further, the locating pin mounting hole is the screw hole, the locating pin includes and matches the screw rod with the locating pin mounting hole, wherein one end coaxial line of screw rod is fixed with cylinder type round pin head, the free end inverse circular arc of round pin head.
Furthermore, one end of the screw rod, which is far away from the pin head, extends to the bolt mounting hole and is sleeved with a tightening nut.
Furthermore, a hexagonal hole for rotating the positioning pin is processed on the end face of one end of the screw rod, which is far away from the pin head.
Further, the connecting column is a step column.
Furthermore, a counter bore is arranged at the position of the outer end face of the outer pressing disc corresponding to the fastening bolt.
The beneficial effects of the utility model reside in that: automobile brake disc adds clamping apparatus sets up the locating pin mounting hole, locating pin detachable installs in the locating pin mounting hole, the size of selecting the locating pin as required, can guarantee to fix a position the brake disc blank through the combination of not equidimension locating pin under the condition that has the burr, convenient processing, press in between the dish through bolted connection in outer pressure dish and, fix a position through the spliced pole, prevent to take place relative rotation, can effectually press from both sides tightly automobile brake disc blank, then fix on lathe chuck through the fixed column, easy to assemble and processing.
Drawings
FIG. 1 is a schematic view of the structure of example 1;
FIG. 2 is a schematic view of a connecting section of an automobile brake disc machining clamp and a brake disc blank;
FIG. 3 is a schematic front view of an outer platen;
wherein: the method comprises the following steps of 1-outer pressing disc, 2-positioning pin mounting hole, 3-pin head, 4-inner pressing disc, 5-fixing column, 6-screw rod, 7-tightening nut, 8-hexagonal hole, 9-bolt hole, 10-fastening bolt, 11-counter bore, 12-connecting column and 13-braking disc blank.
Detailed Description
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-3, an automobile brake disc machining fixture comprises an outer pressing disc 1 for pressing a brake disc blank 13, the outer pressing disc is made of stainless steel material and has a thickness of 12-15mm, a plurality of positioning pin mounting holes 2 are uniformly machined at the position of the outer pressing disc close to the edge, the number of the mounting holes of the brake disc is mostly 4, 5 and 6, the number of the positioning pin mounting holes is 3, 4, 5, 6, 8, 10 or 12, in the embodiment, the number of the positioning pin mounting holes is 12, the adaptability is strong, the positioning pin mounting holes can detachably mount positioning pins, the number of the positioning pins is determined according to the type of the brake disc, the positioning pin mounting holes are threaded holes, each positioning pin comprises a cylindrical screw rod 6 matched with the positioning pin mounting holes, a cylindrical pin head 3 is coaxially fixed at one end of each screw rod, and the pin heads of the positioning pins, the free end of the pin head is in an inverted arc shape, so that the guide is convenient.
The connecting column 12 is integrally formed in the middle of the outer pressure disc, the outer diameter of the connecting column is smaller than the inner diameter of a rotating shaft mounting hole of a brake disc blank, the outer pressure disc is connected with the inner pressure disc 4 through the connecting column, the inner pressure disc is made of stainless steel materials, the thickness of the inner pressure disc is 12-15mm, the inner pressure disc is provided with a connecting hole matched with the connecting column, the connecting column is one of a triangular prism, a quadrangular prism, a hexagonal prism and a spline shaft, the hexagonal prism is selected in the embodiment, the processing is convenient, the plug-in mounting and the mounting are completed when the outer pressure,
interior pressure disk intermediate position still integrated into one piece has the fixed column 5 that is used for clamping to lathe chuck, and the fixed column is the step cylinder, can adapt to the lathe chuck of equidimension not, and outer pressure disk intermediate position is processed there is bolt hole 9, and the bolt hole passes the spliced pole, and the threaded hole is processed with bolt hole corresponding position department in connecting hole bottom, and the connection can be dismantled through fastening bolt 10 between outer pressure disk and the interior pressure disk.
Because the fastening bolt is an M16 or M18 bolt, the nut is large, and the counter bore 11 is processed at the position of the outer end face of the outer pressure plate corresponding to the fastening bolt, so that the nut is prevented from being exposed too much, and the weight of the outer pressure plate can be reduced.
One end of the screw rod, which deviates from the pin head, extends to the bolt mounting hole and is sleeved with a clamping nut 7, so that the positioning pin can be prevented from loosening.
A hexagonal hole 8 for rotating the positioning pin is processed on the end face of one end of the screw rod, which is far away from the pin head, so that the positioning pin can be conveniently rotated to be disassembled and assembled.
The automobile brake disc machining fixture provided by the embodiment comprises the following installation steps of firstly measuring the aperture of an installation hole of a brake disc blank, selecting a positioning pin with a pin head with a corresponding outer diameter, installing the positioning pin on an outer pressure disc, correspondingly selecting the positioning pin due to different apertures of the installation holes of the brake disc blanks in the casting process, inserting the outer pressure disc on the brake disc blank through a connecting column, installing an inner pressure disc, guiding the inner pressure disc through the connecting column, then installing a fastening bolt, rotating the brake disc blank until the installation hole of the brake disc blank is opposite to the corresponding pin head, screwing the fastening bolt, relatively moving the outer pressure disc and the inner pressure disc, driving the pin head to be inserted into the corresponding installation hole, avoiding damaging the brake disc blank due to the fact that the positioning pin is selected in advance, and ensuring the compression among the inner pressure disc blank, the brake disc blank and the outer pressure disc, wherein the length value of the, after fastening is finished, the automobile brake disc machining clamp and the brake disc blank are installed on a chuck of a lathe through a fixing column, allowance of 2-2.5mm is reserved for rough turning, and rough turning of the outer circle is finished.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. The utility model provides an automobile brake disc adds clamping apparatus which characterized in that: the outer pressure plate is provided with a plurality of positioning pin mounting holes close to the edge position, the positioning pin mounting holes can detachably mount positioning pins, the positioning pins are matched with the mounting holes of the brake disc blank, a connecting column is arranged at the middle position of the outer pressure plate, the connecting column is one of a triangular prism, a quadrangular prism, a hexagonal prism and a spline shaft, the outer pressure plate is connected with an inner pressure plate through the connecting column, the inner pressure plate is provided with a connecting hole matched with the connecting column, the brake disc blank can be mounted between the outer pressure plate and the inner pressure plate, the middle position of the inner pressure plate is also provided with a fixing column clamped to a lathe chuck, a bolt hole is arranged at the middle position of the outer pressure plate, the bolt hole penetrates through the connecting column, and a threaded hole is arranged at the position, corresponding to the, the outer pressure plate and the inner pressure plate are detachably connected through fastening bolts.
2. The automotive brake disc machining jig of claim 1, characterized in that: the positioning pin mounting holes are 3, 4, 5, 6, 8, 10 or 12.
3. The automotive brake disc machining jig of claim 1, characterized in that: the locating pin mounting hole is a threaded hole, the locating pin comprises a screw rod matched with the locating pin mounting hole, a cylindrical pin head is coaxially fixed at one end of the screw rod, and the free end of the pin head is in an inverted arc shape.
4. The automotive brake disc machining jig of claim 3, characterized in that: one end of the screw rod, which deviates from the pin head, extends to the bolt mounting hole and is sleeved with a tightening nut.
5. The automotive brake disc machining jig of claim 4, characterized in that: and a hexagonal hole for rotating the positioning pin is processed on the end surface of one end of the screw rod, which is far away from the pin head.
6. The automotive brake disc machining jig of claim 1, characterized in that: the connecting column is a step column.
7. The automotive brake disc machining jig of claim 1, characterized in that: and a counter bore is arranged at the position of the outer end face of the outer pressing disc corresponding to the fastening bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920668049.2U CN209850446U (en) | 2019-05-10 | 2019-05-10 | Automobile brake disc adds clamping apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920668049.2U CN209850446U (en) | 2019-05-10 | 2019-05-10 | Automobile brake disc adds clamping apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209850446U true CN209850446U (en) | 2019-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920668049.2U Active CN209850446U (en) | 2019-05-10 | 2019-05-10 | Automobile brake disc adds clamping apparatus |
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| CN (1) | CN209850446U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935972A (en) * | 2021-03-26 | 2021-06-11 | 孔叶慧 | Polishing equipment for disc-shaped shaft piece |
| CN114509334A (en) * | 2022-02-15 | 2022-05-17 | 广东电网有限责任公司 | Testing machine clamp |
-
2019
- 2019-05-10 CN CN201920668049.2U patent/CN209850446U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935972A (en) * | 2021-03-26 | 2021-06-11 | 孔叶慧 | Polishing equipment for disc-shaped shaft piece |
| CN114509334A (en) * | 2022-02-15 | 2022-05-17 | 广东电网有限责任公司 | Testing machine clamp |
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