CN214322533U - Drilling clamp for brake bottom plate - Google Patents
Drilling clamp for brake bottom plate Download PDFInfo
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- CN214322533U CN214322533U CN202023310788.6U CN202023310788U CN214322533U CN 214322533 U CN214322533 U CN 214322533U CN 202023310788 U CN202023310788 U CN 202023310788U CN 214322533 U CN214322533 U CN 214322533U
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- bottom plate
- drilling
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- compressing
- bolt
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Abstract
The utility model relates to a drilling clamp for a brake bottom plate, which comprises a drilling bottom plate; the support assembly is arranged on the drilling baseplate and comprises a support pillar arranged on the drilling baseplate, and an annular groove is formed in the outer side of the top end of the support pillar; and the compression assembly is arranged on the drilling bottom plate and comprises a compression bolt, a compression block and a compression nut. The utility model has the advantages that: adopt the supporting component to realize the fixed to the bottom plate main part with compressing tightly the common cooperation of subassembly, only need the cooperation of a set of screw thread and nut can realize the fixed to the bottom plate main part, the quantity of the fastener that has significantly reduced has simplified the structure, and is convenient fixed, and through the cooperation of the annular groove on the support column, then can realize the quick location to the floor main part, reduces the assemble duration, raises the efficiency.
Description
Technical Field
The utility model relates to a braking bottom plate processing field, in particular to boring grab is used to brake bottom plate.
Background
A brake backing plate (braking plate) is a key part in a brake backing plate assembly, is a supporting part for fixing a brake shoe assembly and assembling a brake drum in an automobile brake, and is the core of the whole automobile brake.
The brake bottom plate is used as a basic component of the brake, and can meet the use requirement after being processed by casting and finish machining in sequence. The brake bottom plate shown in fig. 1 comprises a bottom plate main body 1, a central hole 2 matched with an axle shaft for use is arranged in the middle of the bottom plate main body 1, a plurality of assembling holes 3 distributed in an annular shape are further distributed on the outer side of the circumference of the central hole 2, mounting holes 4 used for mounting a cam shaft are further respectively arranged on two sides of the bottom plate main body 1, the mounting holes 4 are located on the outer sides of the assembling holes 3, oil nozzle holes 6 arranged in an inclined mode are further formed in the inner wall of each mounting hole 4, and dust cover holes 5 used for mounting dust covers are further arranged on the outer edge of the bottom plate main body 1. In the process of finish machining of the brake bottom plate after casting, firstly, a plane of the bottom plate main body 1 needs to be firstly turned, then a center hole 2 is turned, a chamfer of the center hole 2 is machined, then the plane of the bottom plate main body 1 is milled, then two mounting holes 4 are respectively drilled, an oil nozzle hole 6 is machined, then the two mounting holes 4 are used for positioning, each mounting hole 3 is drilled, the mounting holes 3 are bored, the chamfer is machined, and finally each dust cover hole 5 is drilled.
In the above-mentioned machining process, when drilling the two mounting holes 4 and the machining nipple hole 6 in the base plate body 1, the base plate body 1 needs to be positioned first and then the base plate body 1 can be drilled. And traditional bottom plate main part 1's fixed mode, need adopt the bolt, the common cooperation of a plurality of setting elements such as locating piece realizes the fixed to bottom plate main part, whole fixed process is very trouble, and adopt such mode, all need make an eye to bottom plate main part 1's position at every turn, it is fixed again, very trouble, and because nozzle hole 6 is the hole of an slope, when drilling, the angle of drilling nozzle hole 6 is inconsistent with the angle of mounting hole 4, namely when mounting hole 4 and nozzle hole 6, bottom plate main part 1 needs the angle of putting to be inconsistent, this just leads to needing to carry out twice to bottom plate main part 1 and fix and dismantle, whole process is very trouble.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a fixed convenient boring grab for brake bottom plate.
In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides a drilling jig for stopper bottom plate which innovation point lies in: comprises that
Drilling a bottom plate;
the support assembly is arranged on the drilling baseplate and comprises a support pillar arranged on the drilling baseplate, and the outer side of the top end of the support pillar is also provided with an annular groove for the central hole of the baseplate main body to be embedded;
the compressing assembly is arranged on the drilling bottom plate and comprises a vertical compressing bolt fixed on the drilling bottom plate, the compressing bolt penetrates through the whole supporting column from bottom to top, the upper end of the compressing bolt extends out of the supporting column, a compressing block is further sleeved above the supporting column and located on the outer side of the compressing bolt, and the compressing block is locked and fixed by a compressing nut sleeved on the compressing bolt.
Further, the support column is the echelonment, comprises first bench, second bench, the bench that top-down distributes in proper order, and first bench, second bench, bench all are cylindricly, and the diameter of first bench, second bench, bench reduces in proper order, first bench, second bench, bench all suit in compression bolt's the outside, and with compression bolt between equal thread tightening.
The utility model has the advantages that: the utility model discloses in, adopt the supporting component and compress tightly the common cooperation of subassembly to realize the fixed to the bottom plate main part, only need the cooperation of a set of screw thread and nut can realize the fixed to the bottom plate main part, the quantity of the fastener that has significantly reduced has simplified the structure, and is convenient fixed, and through the cooperation of the annular groove on the support column, then can realize the quick location to the floor main part, reduces the assemble duration, raises the efficiency.
Adopt the integrated configuration of first step, second step, step to the support column, can select the quantity of installation first step, second step, step according to the processing demand to realize the regulation to support column overall height, and to first step, second step, step all with the clamp bolt between through threaded fixation, then be for convenience first step, second step, step installation and dismantlement, save the assemble duration.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of a bottom plate of the brake of the present invention.
Fig. 2 is a schematic view of the drilling jig for a brake spider of the present invention.
Fig. 3 is a top view of the drilling jig for a brake spider according to the present invention.
Fig. 4 is a sectional view B-B of fig. 3.
Detailed Description
The following examples are presented to enable those skilled in the art to more fully understand the present invention and are not intended to limit the scope of the present invention.
A drilling jig for a brake spider as shown in FIGS. 2-4 comprises
The drilling base plate 301, the drilling base plate 301 is a rectangular plate.
A supporting component installed on the drilling bottom plate 301, the supporting component comprises a supporting column installed on the drilling bottom plate 301, the supporting column is in a ladder shape and is composed of a first ladder section 302, a second ladder section 303 and a ladder section 304 which are sequentially distributed from top to bottom, the first ladder section 302, the second ladder section 303 and the ladder section 30 are all in a cylinder shape, the diameters of the first ladder section 302, the second ladder section 303 and the ladder section 304 are sequentially reduced, the heights of the second ladder section 303, the first ladder section 302 and the ladder section 304 are sequentially reduced, the first ladder section 302, the second ladder section 303 and the ladder section 304 are all sleeved on the outer side of a pressing bolt 305, an internal thread through hole for allowing the pressing bolt 305 to penetrate is further formed in the centers of the first ladder section 302, the second ladder section 303 and the ladder section 304, and the first ladder section 302 are sleeved on the pressing bolt 305, and a pressing bolt 305, and an annular groove for fitting the central hole of the bottom plate main body is formed on the outer side of the top end of the first step 302. Adopt first step 302 to the support column, second step 303, the integrated configuration of step 304, can select the quantity of installation first step 302 according to the processing demand, second step 303, step 304, thereby the realization is to the regulation of support column overall height, and to first step 302, second step 303, pass through threaded fixation between step 304 and the housing bolt 305, then be for convenience first step 302, second step 303, the installation and the dismantlement of step 304, save the assemble duration.
The utility model provides a set up the pressure components on drilling bottom plate 301, pressure components includes a vertical clamp bolt 305 of fixing on drilling bottom plate 301, welded fastening between clamp bolt 305 is direct and drilling bottom plate 301, after clamp bolt 305 passed whole support column from bottom to top, the upper end of clamp bolt 305 stretches out the first step 302 of support column outside, still the cover is equipped with compact heap 306 in the outside of clamp bolt 305 and is located the top of support column, the length of compact heap 306 is longer than the diameter of the centre bore of bottom plate main part, the middle part position of compact heap 306 has a through-hole that holds clamp bolt 305 and pass, compact heap 306 is fixed by gland nut lock on clamp bolt 305 by the suit.
The working principle is as follows: first, the drilling base plate 301 is fixed to a corresponding drilling machine, and then, the base plate main body to be processed is placed on the support columns, and the central hole of the bottom plate main body is aligned with the annular groove on the first step 302 of the supporting column, and then is embedded and positioned, then the pressing block 306 is sleeved on the pressing bolt 305, and then the pressing block 306 is locked by the pressing nut, so that the pressing block 306 can realize the pressing and fixing of the upper end surface of the bottom plate main body, then, the mounting holes on both sides of the base plate body are processed by using a drill on the drilling machine, and then, the drilling base plate 301 is detached from the drilling machine, and fixed on another drilling machine in a certain angle, the inclination angle of the drilling bottom plate 301 is corresponding to the inclination angle of the oil nozzle hole of the bottom plate main body, so that the needed oil nozzle hole is in a vertical state, and then a drilling tool is used for drilling a vertical hole, namely the needed inclined oil nozzle hole.
The utility model discloses in, adopt the supporting component and compress tightly the common cooperation of subassembly to realize the fixed to the bottom plate main part, only need the cooperation of a set of screw thread and nut can realize the fixed to the bottom plate main part, the quantity of the fastener that has significantly reduced has simplified the structure, and is convenient fixed, and through the cooperation of the annular groove on the support column, then can realize the quick location to the floor main part, reduces the assemble duration, raises the efficiency.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. The utility model provides a drilling jig for stopper bottom plate which characterized in that: comprises that
Drilling a bottom plate;
the support assembly is arranged on the drilling baseplate and comprises a support pillar arranged on the drilling baseplate, and the outer side of the top end of the support pillar is also provided with an annular groove for the central hole of the baseplate main body to be embedded;
the compressing assembly is arranged on the drilling bottom plate and comprises a vertical compressing bolt fixed on the drilling bottom plate, the compressing bolt penetrates through the whole supporting column from bottom to top, the upper end of the compressing bolt extends out of the supporting column, a compressing block is further sleeved above the supporting column and located on the outer side of the compressing bolt, and the compressing block is locked and fixed by a compressing nut sleeved on the compressing bolt.
2. The drilling jig for brake shoes according to claim 1, characterized in that: the support column is the echelonment, comprises first bench, second bench, the ladder section that top-down distributes in proper order, and first bench, second bench, ladder section all are cylindricly, and the diameter of first bench, second bench, ladder section reduces in proper order, first bench, second bench, ladder section all suit are in clamp bolt's the outside, and with clamp bolt between equal thread tightening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023310788.6U CN214322533U (en) | 2020-12-31 | 2020-12-31 | Drilling clamp for brake bottom plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023310788.6U CN214322533U (en) | 2020-12-31 | 2020-12-31 | Drilling clamp for brake bottom plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214322533U true CN214322533U (en) | 2021-10-01 |
Family
ID=77904421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023310788.6U Active CN214322533U (en) | 2020-12-31 | 2020-12-31 | Drilling clamp for brake bottom plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214322533U (en) |
-
2020
- 2020-12-31 CN CN202023310788.6U patent/CN214322533U/en active Active
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