CN223643290U - A brake box machining fixture - Google Patents
A brake box machining fixtureInfo
- Publication number
- CN223643290U CN223643290U CN202423090676.2U CN202423090676U CN223643290U CN 223643290 U CN223643290 U CN 223643290U CN 202423090676 U CN202423090676 U CN 202423090676U CN 223643290 U CN223643290 U CN 223643290U
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- CN
- China
- Prior art keywords
- brake box
- supporting block
- processing tool
- brake
- hole
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
本实用新型涉及一种制动箱加工工装，包括底座、第一支撑块、第二支撑块、第一压紧结构、第二压紧结构及分中机构，第一支撑块上设有限位件，限位件沿水平方向抵顶在制动箱的左下侧；第二支撑块用于对制动箱的右下侧支撑；第一压紧结构、第二压紧分别压设在制动箱的左上侧、右下侧；分中机构，包括水平驱动机构及分中总成，水平驱动机构用于驱动所述分中总成在左右方向移动，分中总成包括两个分中销，两个分中销沿前后方向上延伸，并分别用于与制动箱的两个吊臂内侧配合。利用支撑块对制动箱支撑，利用分中、压紧进行分中定位、压紧，且均借助如液压机构等自动分中、压紧机构，分中、压紧效果更好，加工过程中不容易失效。
This utility model relates to a brake box processing fixture, including a base, a first support block, a second support block, a first clamping structure, a second clamping structure, and a centering mechanism. The first support block has a limiting member that abuts against the lower left side of the brake box in a horizontal direction. The second support block supports the lower right side of the brake box. The first clamping structure and the second clamping structure are respectively pressed onto the upper left and lower right sides of the brake box. The centering mechanism includes a horizontal drive mechanism and a centering assembly. The horizontal drive mechanism drives the centering assembly to move in the left-right direction. The centering assembly includes two centering pins that extend in the front-back direction and are respectively used to engage with the inner sides of the two booms of the brake box. By using support blocks to support the brake box and centering and clamping for positioning and clamping, and by employing automatic centering and clamping mechanisms such as hydraulic mechanisms, the centering and clamping effect is better, and failure during processing is less likely.
Description
Technical Field
The utility model relates to the field of machining, in particular to a brake box machining tool.
Background
Tread brake units are one of the main types of foundation brake units for urban rail vehicles today. Wherein the cylinder, alternatively called the brake box, provides the overall frame, support foundation and assembly reference for the whole unit, also the most complex parts of the unit to process with the most parts. The mass of the cylinder directly determines the braking effect of the tread braking unit, thereby affecting the overall braking performance of the vehicle.
A side-mounted brake housing structure as shown in FIG. 1 has two overhanging booms, the ends of which require a boom shaft hole to be machined. The main body of the brake box is also provided with two reference axes which are mutually perpendicular, one reference axis penetrates through the left and right directions of the brake box, the two suspension arms are symmetrical about the reference axes, and the other reference axis is in the front and rear directions, wherein the front side of the brake box is provided with a mounting hole, namely a hole for realizing side mounting, and the hole needs to be processed. The brake box body has irregular appearance and more processing parts, and has certain requirements, and in actual processing, the brake box is positioned by means of conventional pressing pieces such as pressing plates, bolts and the like in artificial division, but is easy to lose efficacy in the processing process.
Disclosure of utility model
The utility model aims to provide a brake box processing tool which is used for compacting and positioning a brake box during processing.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The brake box processing tool comprises a base, a first supporting block, a second supporting block, a first compression structure, a second compression structure and a middle separating mechanism are arranged on the base,
The first support block is provided with a limiting piece which is propped against the left lower side of the brake box along the horizontal direction;
The second supporting block is used for supporting the right lower side of the brake box;
the first compression structure and the second compression structure are automatic compression structures and are respectively arranged on the left upper side and the right lower side of the brake box in a compression mode;
The middle dividing mechanism comprises a horizontal driving mechanism and a middle dividing assembly, wherein the horizontal driving mechanism is used for driving the middle dividing assembly to move in the left-right direction, the middle dividing assembly comprises two middle dividing pins, and the two middle dividing pins extend in the front-back direction and are respectively used for being matched with the inner sides of two suspension arms of the brake box.
Further, a screw hole is formed in the top of the first supporting block and is used for being in threaded connection with the limiting piece, and one end of the limiting piece is propped against an arc groove of the brake box.
Further, the length direction of the second supporting block is set along the front-back direction, the second supporting block is provided with front and back two supporting positions, and the front and back two supporting positions and the supporting positions of the first supporting block form three-point support together.
Further, the upper side of the second supporting block is provided with a U-shaped groove, and a bolt hole is formed in the U-shaped groove and is connected with a bolt for fixing on the base.
Further, the first pressing mechanism adopts a lever type hydraulic cylinder.
Further, the second pressing mechanism adopts a corner hydraulic cylinder.
Further, the horizontal driving mechanism adopts a side hydraulic cylinder.
Further, the split assembly comprises a barrel, the front side and the rear side of the barrel are respectively provided with an installation cavity, the split pin is installed in the installation cavity, the outer end of the split pin extends out of the barrel, and a reset spring is arranged between the inner end of the split pin and the installation cavity.
Further, the upper side of the mounting cavity is provided with a perforation, the upper side of the middle pin is provided with a limiting hole corresponding to the limiting hole, the limiting hole is a long hole, the perforation is internally provided with a limiting pin, and the lower part of the limiting pin extends into the limiting hole.
The utility model has the beneficial effects that:
When the brake box is used, the brake box to be processed is placed on the first supporting block and the second supporting block, one side of the brake box with the suspension arm is located at the lower side, the first supporting block and the second supporting block are utilized for supporting, when the brake box is placed, the two suspension arms of the brake box are placed symmetrically according to the position of the middle dividing assembly as much as possible, then the middle dividing mechanism acts, the middle dividing assembly is driven to move towards the middle of the two suspension arms, the inner side of the suspension arm is abutted, and the brake box is enabled to be in a correct position. And then the automatic pressing structure is used for pressing the brake box. At this time, the supporting, positioning and compacting of the brake box are completed, and corresponding machining can be performed. The middle-dividing and compacting effects are better, the efficiency can be improved, and the machine is not easy to lose efficacy in the processing process by means of an automatic mechanism, such as a hydraulic mechanism.
Drawings
FIG. 1 is a perspective view of a brake housing;
FIG. 2 is another perspective view of the brake housing;
FIG. 3 is a front view of a brake case tooling;
FIG. 4 is a top view of a brake case tooling;
FIG. 5 is a partial cross-sectional view of the sub-assembly of FIG. 3;
FIG. 6 is a partial cross-sectional view of the first support block;
FIG. 7 is a partial cross-sectional view of a second support block;
FIG. 8 is a front view of the brake case tooling after placement of the brake case;
fig. 9 is a top view of the brake housing processing tool after placement of the brake housing.
1. The hydraulic device comprises a brake box, 11, a suspension arm, 12, a mounting hole, 13, an arc groove, 2, a base, 21, a bracket, 3, a lever type hydraulic cylinder, 31, a pressing arm, 41, a first supporting block, 411, a screw hole, 42, a second supporting block, 5, a corner hydraulic cylinder, 6, a middle hydraulic cylinder, 7, a middle assembly, 71, a cylinder body, 72, a middle pin, 721, a limiting hole, 73, a return spring, 74, a limiting pin and an A, pressing position.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
Embodiments of the utility model:
As shown in fig. 1-9, a brake box processing tool comprises a base 2, wherein a first supporting block 41, a second supporting block 42, a first compression structure, a second compression structure and a centering mechanism are arranged on the base 2, the brake box 1 is supported by the first supporting block 41 and the second supporting block 42, the position of the brake box 1 is aligned by the centering mechanism, and then the brake box 1 is compressed by the first compression structure and the second compression structure.
As shown in fig. 3 to 4, the first supporting block 41 includes a first supporting block 41, and a limiting member is disposed on the first supporting block 41. As shown in fig. 6, the first supporting block 41 has a T-shaped structure, and a screw hole 411 is formed at the top of the first supporting block for threaded connection of a limiting member, and the limiting member abuts against the lower left side of the brake case 1 along the horizontal direction. The bottom of the first supporting block is coupled to the base 2 using bolts such that the center line of the screw hole 411 is in the left-right direction.
The limiting piece can be a bolt or a pin, one end of the limiting piece is propped in an arc groove 13 of the brake box 1, and as shown in fig. 2, the left lower side of the brake box 1 is provided with the arc groove 13.
As shown in fig. 4 and 7, the second support block 42 is disposed in the longitudinal direction for supporting the lower right side of the brake case 1, the upper side of the second support block 42 is a U-shaped groove, and a bolt hole is disposed in the U-shaped groove for bolting to fix on the base 2, the bolt adopts an inner hexagonal bolt, the bolt head does not protrude upward from the highest point of the second support block 42, that is, does not protrude from the supporting surface of the second support block 42, and the front and rear ends of the second support block 42 are used for supporting the brake case 1. The second support block 42 has two front and rear support positions, and forms three-point support together with the support positions of the first support block 41.
The first pressing structure and the second pressing structure are automatic pressing structures and are respectively pressed on the upper left side and the lower right side of the brake box 1. The first pressing mechanism adopts a lever type hydraulic cylinder 3 which is a purchasing part, and the pressing arm 31 can be used for applying pressing force to the brake box 1 downwards.
The second hold-down mechanism adopts the corner pneumatic cylinder 5, also is the purchasing, can 90 degrees corners, places the brake case 1 and gives way before compressing tightly, and after the brake case 1 was placed, the hold-down arm of corner pneumatic cylinder 5 rotated 90 degrees then descends again and exert a force decurrent pressure to the position of compressing tightly of brake case 1, for easy understanding, has marked in fig. 1 and has compressed tightly position a.
As shown in fig. 4 and 5, the centering mechanism comprises a horizontal driving mechanism and a centering assembly 7, wherein the horizontal driving mechanism is used for driving the centering assembly 7 to move in the left-right direction. The horizontal driving mechanism adopts a side hydraulic cylinder, is defined as a middle hydraulic cylinder 6 for distinguishing from other hydraulic cylinders, the cylinder body of the middle hydraulic cylinder 6 is fixed on a bracket 21, the bracket 21 is positioned on the base 2, and the hydraulic cylinder is positioned on the left side of the bracket 21. The sub-unit 7 is fixed to one end of the telescopic rod of the sub-unit hydraulic cylinder 6.
The sub-center assembly 7 comprises a cylinder 71, wherein the front side and the rear side of the cylinder 71 are respectively provided with a mounting cavity, the two mounting cavities are independently arranged, and a sub-center pin 72 is respectively arranged in each mounting cavity. The two split pins 72 extend in the front-rear direction and are respectively adapted to cooperate with the inner sides of the two booms 11 of the brake housing 1, as shown in fig. 9.
The outer end of the middle pin 72 extends out of the cylinder 71, and a return spring 73 is arranged between the inner end of the middle pin 72 and the mounting cavity, so that the middle pin 72 can move within a certain range when being stressed.
As shown in fig. 5, a through hole is provided on the upper side of the mounting cavity, a limiting hole 721 corresponding to the limiting hole 721 is provided on the upper side of the split pin 72, the limiting hole 721 is a long hole, a limiting pin 74 is mounted in the through hole, and the lower portion of the limiting pin 74 extends into the limiting hole 721. The stop pin 74 may be a hexagonal pin. Since the stopper pin 74 is inserted into the stopper hole 721, the movement of the centering pin 72 is restricted only within the allowable range, and the centering pin 72 is not disengaged.
In use, the brake housing is placed on the first support block 41, the second support block 42, and the side of the brake housing 1 with the boom 11 is positioned on the underside and suspended. When the brake box 1 is placed, the positions of the two suspension arms reference the middle pin 72 of the brake box are pre-aligned as much as possible by using the first support block 41 and the second support block 42 for three-point support, then the middle hydraulic cylinder 6 acts to drive the middle assembly 7 to move leftwards and abut against the inner side of the suspension arm 11 of the brake box 1, so that the brake box 1 is aligned. Then, the lever type hydraulic cylinder 3 and the corner hydraulic cylinder 5 start to act to press the brake box 1. At this time, the supporting, positioning and compacting of the brake box are completed, and corresponding machining can be performed.
The term "coupled", where the context clearly indicates otherwise, includes both direct and indirect coupling. In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Claims (9)
1. The brake box processing tool is characterized by comprising a base, wherein the base is provided with a first supporting block, a second supporting block, a first compression structure, a second compression structure and a middle mechanism,
The first support block is provided with a limiting piece which is propped against the left lower side of the brake box along the horizontal direction;
the second supporting block is used for supporting the right lower side of the brake box;
the first compression structure and the second compression structure are automatic compression structures and are respectively arranged on the left upper side and the right lower side of the brake box in a compression mode;
The middle dividing mechanism comprises a horizontal driving mechanism and a middle dividing assembly, wherein the horizontal driving mechanism is used for driving the middle dividing assembly to move in the left-right direction, the middle dividing assembly comprises two middle dividing pins, and the two middle dividing pins extend in the front-back direction and are respectively used for being matched with the inner sides of two suspension arms of the brake box.
2. The brake box processing tool of claim 1, wherein the top of the first supporting block is provided with a screw hole for the limiting piece to be in threaded connection, and one end of the limiting piece is propped against an arc groove of the brake box.
3. The brake box processing tool of claim 1, wherein the length direction of the second supporting block is along the front-back direction, the second supporting block is provided with front and back supporting positions, and the front and back supporting positions and the supporting positions of the first supporting block form three-point support together.
4. The brake box processing tool of claim 3, wherein the upper side of the second supporting block is a U-shaped groove, and a bolt hole is formed in the U-shaped groove for being connected by a bolt so as to be fixed on the base.
5. The brake box processing tool of claim 1, wherein the first pressing structure is a lever type hydraulic cylinder.
6. The brake box processing tool of claim 1, wherein the second pressing structure is a corner hydraulic cylinder.
7. The brake box processing tool of claim 1, wherein the horizontal driving mechanism is a side hydraulic cylinder.
8. The brake box processing tool of claim 1, wherein the split assembly comprises a barrel, the front side and the rear side of the barrel are respectively provided with a mounting cavity, the split pin is arranged in the mounting cavity, the outer end of the split pin extends out of the barrel, and a reset spring is arranged between the inner end of the split pin and the mounting cavity.
9. The brake box processing tool according to claim 8, wherein the upper side of the mounting cavity is provided with a through hole, the upper side of the split pin is provided with a limiting hole corresponding to the limiting hole, the limiting hole is a long hole, the through hole is internally provided with a limiting pin, and the lower part of the limiting pin extends into the limiting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423090676.2U CN223643290U (en) | 2024-12-13 | 2024-12-13 | A brake box machining fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423090676.2U CN223643290U (en) | 2024-12-13 | 2024-12-13 | A brake box machining fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223643290U true CN223643290U (en) | 2025-12-09 |
Family
ID=97906585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423090676.2U Active CN223643290U (en) | 2024-12-13 | 2024-12-13 | A brake box machining fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223643290U (en) |
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2024
- 2024-12-13 CN CN202423090676.2U patent/CN223643290U/en active Active
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