CN111571458A - Hanging bracket for shot blasting of brake drum casting - Google Patents
Hanging bracket for shot blasting of brake drum casting Download PDFInfo
- Publication number
- CN111571458A CN111571458A CN202010352586.3A CN202010352586A CN111571458A CN 111571458 A CN111571458 A CN 111571458A CN 202010352586 A CN202010352586 A CN 202010352586A CN 111571458 A CN111571458 A CN 111571458A
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- CN
- China
- Prior art keywords
- hollow shaft
- shot blasting
- driving mechanism
- brake drum
- linear
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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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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/086—Descaling; Removing coating films
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to the technical field of brake drum production, in particular to a hanger for shot blasting of a brake drum casting, which comprises an end cover, a hollow shaft, a linear driving mechanism, a tensioning mechanism, an end face pressing mechanism and a controller, wherein the end cover is fixedly connected with the hollow shaft; the end cover is fixedly arranged at the end part of the hollow shaft, the driving end of the linear driving mechanism is fixedly arranged at the end part of the inner part of the hollow shaft close to the end cover, the output end of the linear driving mechanism is arranged in the hollow shaft and is collinear with the axis of the hollow shaft, one end of the tensioning mechanism is sleeved on the hollow shaft and is fixedly connected with the output end of the linear driving mechanism, the other end of the tensioning mechanism is hinged with the end cover, the end face pressing mechanism is sleeved on the hollow shaft and is positioned above the tensioning mechanism, and the; the scheme has accurate positioning, more uniform shot blasting and polishing effects, convenient installation, simple structure and cost saving.
Description
Technical Field
The invention relates to the technical field of brake drum production, in particular to a hanger for shot blasting of a brake drum casting.
Background
Shot blasting is the name given to a mechanical surface treatment process, similar to sand blasting and shot blasting. The shot blasting is a cold treatment process which is divided into shot blasting cleaning and shot blasting reinforcement, wherein the shot blasting cleaning is used for removing impurities such as surface oxide skin and the like and improving the appearance quality, and the shot blasting reinforcement is to continuously impact the surface of a workpiece to be reinforced by utilizing a shot (60-110 m/s) flow moving at a high speed so as to force the surface of the target and the surface layer (0.10-0.85 mm) to change in a cyclic deformation process: 1. the microstructure is modified; 2. residual compressive stress is introduced into the non-uniform plastic deformation outer surface layer, and residual tensile stress is generated in the inner surface layer; 3. the roughness of the outer surface changes (RaRz). Influence: can improve the fatigue fracture resistance of materials/parts, prevent fatigue failure, plastic deformation and brittle fracture and prolong the fatigue life.
The casting of the brake drum is polished in a shot blasting mode, so that an oxide layer on the surface of the casting can be effectively removed. But lacks a mounting hanger for the brake drum casting.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the hanging bracket for shot blasting of the brake drum casting, and the technical scheme solves the problems, is accurate in positioning, more uniform in shot blasting and polishing effects, convenient to install, simple in structure and capable of saving cost.
In order to solve the technical problems, the invention provides the following technical scheme:
a hanger for shot blasting of a brake drum casting is characterized by comprising an end cover, a hollow shaft, a linear driving mechanism, a tensioning mechanism, an end face pressing mechanism and a controller;
the end cover is fixedly arranged at the end part of the hollow shaft, the driving end of the linear driving mechanism is fixedly arranged at the end part of the hollow shaft, which is close to the end cover, the output end of the linear driving mechanism is arranged in the hollow shaft and is collinear with the axis of the hollow shaft, one end of the tensioning mechanism is sleeved on the hollow shaft and is fixedly connected with the output end of the linear driving mechanism, the other end of the tensioning mechanism is hinged with the end cover, the end face pressing mechanism is sleeved on the hollow shaft and is positioned above the tensioning mechanism, and the linear.
As a preferred scheme of the hanger for the shot blasting of the brake drum casting, sliding through grooves are formed in two sides of the waist of the hollow shaft and are in sliding connection with the output end of the linear driving mechanism.
As a preferable scheme of the hanger for shot blasting of the brake drum casting, the linear driving mechanism comprises a linear driver and a cross rod; the linear driver is arranged in the hollow shaft, the bottom of the linear driver is fixedly connected with the end face of the end cover, the cross rod and the output end of the linear driver are perpendicular to each other and are arranged at the end position of the output end of the linear driver, the cross rods are symmetrically inserted into the input end of the tensioning mechanism and are also connected with the hollow shaft in a sliding mode, and the linear driver is electrically connected with the controller.
As a preferred scheme of the hanger for shot blasting of the brake drum casting, the tensioning mechanism comprises a sliding ring, a mounting hole, a connecting rod assembly, a coupler and a hook; the sliding ring is sleeved on the hollow shaft, the mounting hole is formed in the sliding ring around the axis of the sliding ring, the sliding ring is further provided with a jack connected with the output end of the linear driving mechanism and a hole hinged with the connecting rod assembly, one end of the connecting rod assembly is hinged with the sliding ring, the other end of the connecting rod assembly is hinged with the outer wall of the end portion of the hollow shaft, the working ends of the connecting rod assemblies are uniformly arranged around the axis of the hollow shaft, the shaft coupling is mounted on the working end of.
As a preferred scheme of the hanger for shot blasting of the brake drum casting, the connecting rod assembly comprises a first connecting rod and a second connecting rod; the first connecting rod and the second connecting rod are hinged with the end portions of the sliding ring and the end cover respectively, the coupler is installed at the end portion of the first connecting rod, and the second connecting rod is hinged with the first connecting rod at a position close to the coupler.
As a preferred scheme of the hanger for shot blasting of the brake drum casting, the end face pressing mechanism comprises a sleeve, an annular support and a tensioning part; the sleeve is sleeved on the hollow shaft, the annular support is installed on the sleeve, the axis of the annular support is collinear with the axis of the hollow shaft, and the tensioning portion is installed at the lower end of the annular support.
Compared with the prior art, the invention has the beneficial effects that:
the end cover is fixedly connected with the end part of the hollow shaft in a threaded connection mode, the end cover plays a role in supporting the driving end of the linear driving mechanism, the driving end of the linear driving mechanism can be conveniently detached and installed in the mode, and the driving end of the linear driving mechanism can also be directly and fixedly connected with the inner wall of the hollow shaft in actual operation. One end of the hollow shaft, which is far away from the end cover, is fixedly connected with the output end of the shot blasting machine which can rotate and move up and down. The staff controls the output end of the linear driving mechanism to drive the tensioning mechanism to contract through the controller. The end of the tensioning mechanism is then inserted by the controller from the brake drum casting through hole to the bottom of the brake drum casting. Then the controller controls the output end of the linear driving mechanism to drive the tensioning mechanism to expand outwards so as to push the casting upwards until the top end of the casting is pressed by the end face pressing mechanism, and thus the casting can be fixed on the hollow shaft and cannot fall off under the action of gravity. Then the output end of the shot blasting machine drives the hollow shaft to rotate together to perform shot blasting towards the direction of the hollow shaft, and the casting rotates together with the hollow shaft to be uniformly polished by the shot blasting.
1. The positioning is accurate, so that the shot blasting polishing effect is more uniform;
2. the installation is convenient, and the structure is simple;
3. the cost is saved.
Drawings
FIG. 1 is a perspective view of a brake drum casting made in accordance with the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
FIG. 5 is an exploded perspective view of the present invention;
fig. 6 is a partial perspective view of the present invention.
The reference numbers in the figures are:
1. an end cap;
2. a hollow shaft; 2a, a sliding through groove;
3. a linear drive mechanism; 3a, a linear driver; 3b, a cross bar;
4. a tensioning mechanism; 4a, a slip ring; 4b, mounting holes; 4c, a connecting rod assembly; 4c1, a first link; 4c2, a second link; 4d, a coupler; 4e, hanging hooks;
5. an end face pressing mechanism; 5a, a sleeve; 5b, a ring-shaped bracket; 5c, a tension part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 2 and 4, the hanger for shot blasting of the brake drum casting comprises an end cover 1, a hollow shaft 2, a linear driving mechanism 3, a tensioning mechanism 4, an end face pressing mechanism 5 and a controller;
the end cover 1 is fixedly installed at the end part of the hollow shaft 2, the driving end of the linear driving mechanism 3 is fixedly installed at the end part position, close to the end cover 1, inside the hollow shaft 2, the output end of the linear driving mechanism 3 is arranged in the hollow shaft 2 and is collinear with the axis of the hollow shaft 2, one end of the tensioning mechanism 4 is sleeved on the hollow shaft 2 and is fixedly connected with the output end of the linear driving mechanism 3, the other end of the tensioning mechanism 4 is hinged with the end cover 1, the end face pressing mechanism 5 is sleeved on the hollow shaft 2 and is positioned above the tensioning mechanism 4, and the linear.
The end cover 1 is fixedly connected with the end part of the hollow shaft 2 in a threaded connection mode, the end cover 1 plays a role in supporting the driving end of the linear driving mechanism 3, the driving end of the linear driving mechanism 3 can be conveniently detached and installed in the mode, but the driving end of the linear driving mechanism 3 can also be directly and fixedly connected with the inner wall of the hollow shaft 2 in actual operation. One end of the hollow shaft 2, which is far away from the end cover 1, is fixedly connected with the output end of the shot blasting machine which can rotate and move up and down. The operator controls the output end of the linear driving mechanism 3 to drive the tensioning mechanism 4 to contract through the controller. The end of the tensioning mechanism 4 is then inserted by the controller from the brake drum casting through hole to the bottom of the brake drum casting. Then the controller controls the output end of the linear driving mechanism 3 to drive the tensioning mechanism 4 to expand outwards so as to push the casting upwards until the top end of the casting is pressed by the end face pressing mechanism 5, so that the casting can be fixed on the hollow shaft 2 and cannot fall under the action of gravity. Then the output end of the shot blasting machine drives the hollow shaft 2 to rotate together to perform shot blasting towards the direction of the hollow shaft 2, and the casting rotates together with the hollow shaft 2 to be uniformly polished by the shot blasting.
As shown in fig. 3, sliding through grooves 2a are formed in two sides of the waist of the hollow shaft 2, and the sliding through grooves 2a are slidably connected with the output end of the linear driving mechanism 3.
The output end of the tensioning mechanism 4 slides in the region where the sliding through groove 2a is located, and the output end of the linear driving mechanism 3 extends out through the sliding through groove 2a and is fixed with the input end of the tensioning mechanism 4. The sliding through groove 2a plays a role in limiting and guiding the movement of the tensioning mechanism 4.
As shown in fig. 5, the linear driving mechanism 3 includes a linear driver 3a and a cross bar 3 b; the linear driver 3a is arranged in the hollow shaft 2, the bottom of the linear driver is fixedly connected with the end face of the end cover 1, the cross rod 3b and the output end of the linear driver 3a are perpendicular to each other and are arranged at the end position of the output end of the linear driver 3a, the cross rod 3b is symmetrically inserted into the input end of the tensioning mechanism 4, the cross rod 3b is further connected with the hollow shaft 2 in a sliding mode, and the linear driver 3a is electrically connected with the controller.
The linear actuator 3a is a long axis cylinder. The output end of the linear driver 3a is controlled by the controller to perform telescopic motion, the output end of the linear driver 3a drives the cross rod 3b to perform linear motion along the axis of the hollow shaft 2, and the input end of the tensioning mechanism 4 is driven by the cross rod 3b to perform linear motion along the axis of the hollow shaft 2.
As shown in fig. 5, the tensioning mechanism 4 includes a slip ring 4a, a mounting hole 4b, a connecting rod assembly 4c, a coupling 4d and a hook 4 e; slip ring 4a cup joints on hollow shaft 2, mounting hole 4b is seted up on slip ring 4a around slip ring 4a axis, still be equipped with the jack of being connected with 3 output ends of linear drive mechanism on the slip ring 4a and with link assembly 4c articulated hole, link assembly 4c one end is articulated the other end and hollow shaft 2 tip outer wall with slip ring 4a articulated, a plurality of link assembly 4c work ends evenly set up around hollow shaft 2 axis, shaft coupling 4d is installed on link assembly 4c work end, couple 4e sets up on shaft coupling 4 d.
The sliding ring 4a is fixedly connected with the output end of the linear driving mechanism 3 in an inserting mode, when the sliding ring 4a moves linearly along the axis of the hollow shaft 2 along with the output end of the linear driving mechanism 3, the working end of the connecting rod assembly 4c is opened or closed through the hinging action of the connecting rod assembly 4c, and the length of the working end of the connecting rod assembly 4c can be increased through the coupler 4d so as to adapt to a casting with a larger cross-sectional area. The cloth which can protect the whole tensioning mechanism 4 can be arranged on the tensioning mechanism 4 by matching the mounting hole 4b with the hook 4e, and the service life of the equipment is effectively prolonged.
As shown in fig. 6, the link assembly 4c includes a first link 4c1 and a second link 4c 2; the first connecting rod 4c1 and the second connecting rod 4c2 are respectively hinged with the sliding ring 4a and the end part of the end cover 1, the coupler 4d is installed at the end part of the first connecting rod 4c1, and the second connecting rod 4c2 is hinged with the first connecting rod 4c1 at a position close to the coupler 4 d.
The first connecting rod 4c1 and the second connecting rod 4c2 are hinged and installed in a hook mode, and installation and disassembly are convenient. The umbrella rib structure formed by the first link 4c1 and the second link 4c2 can be effectively tensioned and furled.
As shown in fig. 5, the end face pressing mechanism 5 includes a sleeve 5a, an annular holder 5b, and a tension portion 5 c; the sleeve 5a is sleeved on the hollow shaft 2, the annular support 5b is installed on the sleeve 5a, the axis of the annular support is collinear with the axis of the hollow shaft 2, and the tensioning portion 5c is installed at the lower end of the annular support 5 b.
The tension part 5c has a triangular structure. The sleeve 5a can be adjusted manually in height to suit different sizes of castings. The annular bracket 5b tightly supports the end face of the casting in a working state, and the slope of the tensioning part 5c tightly supports the inner wall of the casting to assist the casting to return to the right position, so that the axis of the casting is collinear with the axis of the hollow shaft 2.
The working principle of the invention is as follows:
the end cover 1 is fixedly connected with the end part of the hollow shaft 2 in a threaded connection mode, the end cover 1 plays a role in supporting the driving end of the linear driving mechanism 3, the driving end of the linear driving mechanism 3 can be conveniently detached and installed in the mode, but the driving end of the linear driving mechanism 3 can also be directly and fixedly connected with the inner wall of the hollow shaft 2 in actual operation. One end of the hollow shaft 2, which is far away from the end cover 1, is fixedly connected with the output end of the shot blasting machine which can rotate and move up and down. The operator controls the output end of the linear driving mechanism 3 to drive the tensioning mechanism 4 to contract through the controller. The end of the tensioning mechanism 4 is then inserted by the controller from the brake drum casting through hole to the bottom of the brake drum casting. Then the controller controls the output end of the linear driving mechanism 3 to drive the tensioning mechanism 4 to expand outwards so as to push the casting upwards until the top end of the casting is pressed by the end face pressing mechanism 5, so that the casting can be fixed on the hollow shaft 2 and cannot fall under the action of gravity. Then the output end of the shot blasting machine drives the hollow shaft 2 to rotate together to perform shot blasting towards the direction of the hollow shaft 2, and the casting rotates together with the hollow shaft 2 to be uniformly polished by the shot blasting.
Claims (6)
1. A hanging bracket for shot blasting of a brake drum casting is characterized by comprising an end cover (1), a hollow shaft (2), a linear driving mechanism (3), a tensioning mechanism (4), an end face pressing mechanism (5) and a controller;
the end cover (1) is fixedly installed at the end part of the hollow shaft (2), the driving end of the linear driving mechanism (3) is fixedly installed at the end part position, close to the end cover (1), inside the hollow shaft (2), the output end of the linear driving mechanism (3) is arranged in the hollow shaft (2) and is collinear with the axis of the hollow shaft (2), one end of the tensioning mechanism (4) is sleeved on the hollow shaft (2) and is fixedly connected with the output end of the linear driving mechanism (3), the other end of the tensioning mechanism (4) is hinged with the end cover (1), the end face pressing mechanism (5) is sleeved on the hollow shaft (2) and is located above the tensioning mechanism (4), and the linear driving mechanism (3) is electrically connected with.
2. The hanger for the shot blasting of the brake drum castings according to claim 1, characterized in that sliding through grooves (2 a) are formed in two sides of the waist of the hollow shaft (2), and the sliding through grooves (2 a) are in sliding connection with the output end of the linear driving mechanism (3).
3. A hanger for shot blasting of brake drum castings according to claim 1, characterized in that the linear driving mechanism (3) comprises a linear driver (3 a) and a cross bar (3 b); the linear driver (3 a) is arranged inside the hollow shaft (2), the bottom of the linear driver is fixedly connected with the end face of the end cover (1), the output ends of the cross rod (3 b) and the linear driver (3 a) are perpendicular to each other and are arranged at the end position of the output end of the linear driver (3 a), the cross rod (3 b) is symmetrically inserted into the input end of the tensioning mechanism (4), the cross rod (3 b) is further connected with the hollow shaft (2) in a sliding mode, and the linear driver (3 a) is electrically connected with the controller.
4. The hanger for shot blasting of the brake drum casting as claimed in claim 1, wherein the tensioning mechanism (4) comprises a sliding ring (4 a), a mounting hole (4 b), a connecting rod assembly (4 c), a coupler (4 d) and a hook (4 e); slip ring (4 a) cup joints on hollow shaft (2), mounting hole (4 b) are seted up on slip ring (4 a) around slip ring (4 a) axis, still be equipped with the jack of being connected with linear drive mechanism (3) output on slip ring (4 a) and with link assembly (4 c) articulated hole, link assembly (4 c) one end is articulated the other end with hollow shaft (2) tip outer wall with slip ring (4 a), a plurality of link assembly (4 c) work end evenly set up around hollow shaft (2) axis, install on link assembly (4 c) work end shaft coupling (4 d), couple (4 e) set up on coupling (4 d).
5. The hanger for shot blasting of brake drum castings according to claim 4, characterized in that the link assembly (4 c) comprises a first link (4 c 1) and a second link (4 c 2); the first connecting rod (4 c 1) and the second connecting rod (4 c 2) are respectively hinged with the end parts of the sliding ring (4 a) and the end cover (1), the coupler (4 d) is installed at the end part of the first connecting rod (4 c 1), and the second connecting rod (4 c 2) and the first connecting rod (4 c 1) are hinged with each other at the position close to the coupler (4 d).
6. The hanger for shot blasting of a brake drum casting as recited in claim 1, wherein the end face pressing mechanism (5) comprises a sleeve (5 a), an annular bracket (5 b) and a tensioning part (5 c); the sleeve (5 a) is sleeved on the hollow shaft (2), the annular support (5 b) is installed on the sleeve (5 a), the axis of the annular support is collinear with the axis of the hollow shaft (2), and the tensioning portion (5 c) is installed at the lower end of the annular support (5 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010352586.3A CN111571458A (en) | 2020-04-29 | 2020-04-29 | Hanging bracket for shot blasting of brake drum casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010352586.3A CN111571458A (en) | 2020-04-29 | 2020-04-29 | Hanging bracket for shot blasting of brake drum casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111571458A true CN111571458A (en) | 2020-08-25 |
Family
ID=72121715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010352586.3A Withdrawn CN111571458A (en) | 2020-04-29 | 2020-04-29 | Hanging bracket for shot blasting of brake drum casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111571458A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846083A (en) * | 2020-12-31 | 2021-05-28 | 刘瑞新 | Bracelet mold with replaceable mold core shape and bracelet processing technology |
-
2020
- 2020-04-29 CN CN202010352586.3A patent/CN111571458A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846083A (en) * | 2020-12-31 | 2021-05-28 | 刘瑞新 | Bracelet mold with replaceable mold core shape and bracelet processing technology |
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Application publication date: 20200825 |