CN119017308A - A positioning device for automobile oil cylinder body - Google Patents
A positioning device for automobile oil cylinder body Download PDFInfo
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- CN119017308A CN119017308A CN202411317518.8A CN202411317518A CN119017308A CN 119017308 A CN119017308 A CN 119017308A CN 202411317518 A CN202411317518 A CN 202411317518A CN 119017308 A CN119017308 A CN 119017308A
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- positioning
- positioning device
- cylinder body
- groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
一种用于汽车油缸缸体的定位装置，包括工作台以及设于工作台上的至少两个定位机构和固定机构。定位机构包括连接基座、安装座、顶升件、滑块和多个定位件。连接基座的顶面设有安装槽，安装座设有竖直滑槽和多个水平滑槽，竖直滑槽与安装槽和水平滑槽连通，顶升件和滑块分别设在安装槽和竖直滑槽内，滑块的一端与顶升件配合，另一端设有多个顶推斜面，水平滑槽的外端贯穿至安装座的外侧壁，每个水平滑槽对应安装一个定位件，定位件的一端与对应的一个顶推斜面抵接配合，另一端用于对缸体孔道的定位。与现有技术相比，本发明的定位装置能提高定位精度、加工精度。
A positioning device for a cylinder body of an automobile oil cylinder comprises a workbench and at least two positioning mechanisms and a fixing mechanism arranged on the workbench. The positioning mechanism comprises a connecting base, a mounting seat, a lifting member, a sliding block and a plurality of positioning members. A mounting groove is provided on the top surface of the connecting base, and the mounting seat is provided with a vertical sliding groove and a plurality of horizontal sliding grooves. The vertical sliding groove is connected with the mounting groove and the horizontal sliding groove. The lifting member and the sliding block are respectively arranged in the mounting groove and the vertical sliding groove. One end of the sliding block cooperates with the lifting member, and the other end is provided with a plurality of push-up inclined surfaces. The outer end of the horizontal sliding groove passes through the outer side wall of the mounting seat. A positioning member is installed corresponding to each horizontal sliding groove. One end of the positioning member abuts and cooperates with a corresponding push-up inclined surface, and the other end is used for positioning the cylinder body channel. Compared with the prior art, the positioning device of the present invention can improve the positioning accuracy and processing accuracy.
Description
Technical Field
The invention belongs to the technical field of positioning devices, and particularly relates to a positioning device for an automobile cylinder body.
Background
The cylinder used in the automotive field is required to be processed by adopting equipment with high processing precision so as to ensure the dimensional precision of the cylinder in order to ensure that the cylinder can be accurately matched with other parts such as a piston, a sealing element and the like. In the prior art, in the process of processing the cylinder body, the cylinder body is fixed on the workbench by adopting the fixing device, and meanwhile, a positioning column is further arranged on the workbench to position a product due to the fact that holes (shown in fig. 1) existing in the cylinder body are utilized, so that the installation precision is improved, and the processing precision is improved. However, in practice, in order to facilitate the assembly of the cylinder, the cross-sectional dimension of the positioning column is configured to be smaller than the dimension of the hole in the cylinder, which, however, also causes a problem of low actual installation accuracy of the cylinder, eventually degrading the machining accuracy. In addition, in the existing processing equipment, the position of the cylinder body is also adjusted through the moving platform, however, the position of the cylinder body is adjusted through the moving platform, the corresponding structure is complex, meanwhile, the moving platform is required to have higher moving precision due to high requirement on the processing precision of the cylinder body, the equipment requirement is high, and the processing cost is increased.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a positioning device for an automobile cylinder body.
In order to achieve the above purpose, the invention discloses a positioning device for an automobile cylinder body, which comprises a workbench, at least two positioning mechanisms arranged on the workbench and a fixing mechanism for fixing the cylinder body;
the positioning mechanism comprises a connecting base, a mounting seat, a jacking piece, a sliding block and a plurality of positioning pieces;
The top surface of connecting base is equipped with the mounting groove, be equipped with in the mounting groove jacking spare, the mount pad connect in on the connecting base, it is equipped with vertical spout and the horizontal spout that a plurality of levels set up of vertical setting, the bottom and the mounting groove intercommunication of vertical spout, sliding connection has in the vertical spout the slider, the one end of slider receives jacking spare drive and reciprocate, the other end is equipped with a plurality of top pushing inclined planes, the one end and the vertical spout intercommunication of horizontal spout, the other end runs through to the lateral wall of mount pad, every horizontal spout corresponds the installation one the setting element, the one end and the corresponding top pushing inclined plane butt cooperation of setting element, the other end is used for horizontal outside removal when the jacking spare upwards moves thereby realizes the location to the cylinder body pore.
Preferably, the connecting base and/or the mounting seat is/are provided with an air inlet channel communicated to the inner cavity of the connecting base and/or the mounting seat;
The number of the positioning pieces is at least three, and the at least three positioning pieces are provided with first air outlet channels penetrating through two ends of the positioning pieces.
Preferably, an air speed sensor is arranged in the vertical chute, and each first air outlet channel is provided with an air speed sensor.
Preferably, the end face of the positioning piece, which is close to the pushing inclined plane, is provided with a groove for installing the wind speed sensor.
Preferably, the pushing inclined plane is provided with a limit groove, and the positioning piece is inserted into the limit groove in a sliding manner.
Preferably, the end surface of the positioning piece far away from the sliding block is spherical.
Preferably, the plurality of horizontal sliding grooves are arranged on the top surface of the mounting seat;
the top cover is connected to the top of the mounting seat in a sealing mode.
Preferably, the bottom of the top cover is connected with a reset piece, and the bottom end of the reset piece is connected with the sliding block.
Preferably, the lifting member is a cylinder.
Preferably, a plurality of horizontal sliding grooves are uniformly distributed.
Compared with the prior art, the invention has the beneficial effects that:
The lifting piece, the sliding block and the positioning pieces are arranged in the connecting base and the mounting seat, the positioning pieces are arranged in a corresponding horizontal sliding groove, and one end of each positioning piece is in butt fit with a corresponding pushing inclined plane. When the cylinder body is positioned, the hole of the cylinder body is sleeved on the positioning mechanism, then the jacking piece drives the sliding block to move up and down in the vertical sliding groove, and when the sliding block moves upwards, the positioning piece moves horizontally outwards under the pushing of the pushing inclined surface until the positioning piece butts against the inner side wall of the hole; because the positioning pieces are multiple, the positioning pieces can center one hole of the cylinder body from different directions; because the positioning mechanism has two at least, positioner is through carrying out the centering to at least two holes of cylinder body, finally realizes the accurate location to the cylinder body.
The positioning mechanism not only reserves the advantages of convenience in assembly and interference avoidance between the existing positioning column and the cylinder body, but also can push the inner wall of the hole of the cylinder body through a plurality of positioning pieces in the positioning process, so that the hole is centered, and the mounting precision of the cylinder body can be remarkably improved after the hole of the cylinder body is centered by at least two positioning mechanisms, so that the processing precision of the cylinder body can be improved.
The positioning mechanism can realize positioning only through the jacking piece, the sliding block and the positioning pieces, has simple structure and small volume, so that the positioning mechanism can be used for configuring the cross section of the positioning mechanism to be very small, and therefore, the positioning mechanism can be suitable for holes with large cross section size and holes with small cross section size, in other words, the positioning mechanism can be used for positioning cylinders with various sizes, has wide application range and can reduce the replacement cost.
Drawings
FIG. 1 is a schematic perspective view of a cylinder body of an existing automotive cylinder;
Fig. 2 is a schematic perspective view of a positioning device and a cylinder body for an automotive cylinder body in embodiment 1;
FIG. 3 is a schematic perspective view of the positioning mechanism of FIG. 2;
FIG. 4 is a schematic exploded perspective view of the positioning mechanism of FIG. 3;
FIG. 5 is a cross-sectional view of the positioning mechanism of FIG. 3;
A work table 1;
A positioning mechanism 2; a connection base 21; a mounting groove 211; a mounting base 22; a vertical chute 221; a horizontal chute 222; a jack 23; a slider 24; pushing inclined surface 241; a limit groove 242; a positioning member 25; a first outlet channel 251; a recess 252; an intake passage 26; a top cover 27; a reset member 28; a second outlet channel 29;
a fixing mechanism 3;
a cylinder 4; holes 41.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
A positioning device for an automobile cylinder body, see fig. 2, comprises a workbench 1, at least two positioning mechanisms 2 arranged on the workbench and a fixing mechanism 3 for fixing the cylinder body.
Referring to fig. 3 to 5, the positioning mechanism 2 includes a connection base 21, a mount 22, a jack 23, a slider 24, and a plurality of positioning members 25. The top surface of the connection base 21 is provided with a mounting groove 211, the jacking piece 23 is mounted in the mounting groove 211, the mounting seat 22 is in sealing connection with the connection base 21, a vertical sliding groove 221 which is vertically arranged and a plurality of horizontal sliding grooves 222 which are horizontally arranged are arranged, the bottom of the vertical sliding groove 221 is communicated with the mounting groove 211, the sliding block 24 is slidably connected in the vertical sliding groove 221, one end of the sliding block 24 is driven by the jacking piece 23 to move up and down, the other end of the sliding block 24 is provided with a plurality of vertical pushing inclined planes 241 which incline upwards and towards the central position, each pushing inclined plane 241 faces one corresponding horizontal sliding groove 222, one end of the horizontal sliding groove 222 is communicated with the vertical sliding groove 221, the other end of the horizontal sliding groove 222 penetrates through the outer side wall of the mounting seat 22, each horizontal sliding groove 222 is correspondingly provided with a positioning piece 25, one end of the positioning piece 25 is in butt fit with the corresponding pushing inclined plane 241, and the other end of the positioning piece 25 is used for horizontally moving outwards when the jacking piece 23 moves upwards so as to position a cylinder hole.
The jacking piece 23, the sliding block 24 and the positioning pieces 25 are arranged in the connecting base 21 and the mounting seat 22, the positioning pieces 25 are mounted in the corresponding horizontal sliding groove 222, and one end of each positioning piece 25 is in butt fit with the corresponding pushing inclined surface 241. When the cylinder body is positioned, the hole 41 of the cylinder body 4 is sleeved on the positioning mechanism 2, then the jacking piece 23 drives the sliding block 24 to move up and down in the vertical sliding groove 221, and when the sliding block 24 moves upwards, the positioning piece 25 moves horizontally outwards under the pushing of the pushing inclined plane 241 until the positioning piece abuts against the inner side wall of the hole; since there are a plurality of positioning members 25, the positioning members 25 can center one hole of the cylinder from different directions; because there are two at least positioning mechanism 2, positioner is through carrying out the centering to at least two holes of cylinder body, finally realizes the accurate location to the cylinder body. The positioning mechanism 2 not only reserves the advantages of convenient assembly and interference avoidance between the existing positioning column and the cylinder body, but also can realize the centering of the hole by pushing the inner wall of the hole of the cylinder body by the positioning mechanism 2 through the plurality of positioning pieces 25 in the positioning process, and the installation precision of the cylinder body can be remarkably improved after the hole of the cylinder body is centered by at least two positioning mechanisms 2, so that the processing precision of the cylinder body can be improved. The positioning mechanism 2 can realize positioning only through the jacking piece 23, the sliding block 24 and the positioning pieces 25, and has simple structure and small volume, so that the positioning mechanism 2 can be configured with small cross section size, and the positioning mechanism 2 can be suitable for holes with large cross section size and holes with small cross section size, in other words, the positioning mechanism 2 can be used for positioning cylinders with various sizes, has wide application range and can reduce replacement cost.
Wherein, the number of pushing inclined surfaces 241 of the sliding block 24, the number of horizontal sliding grooves 222 and the number of horizontal sliding grooves 222 are arranged for drinking, and in this embodiment, three sliding grooves are arranged, so that three groups of positioning structures are formed. Preferably, the three sets of locating features are evenly distributed along the perimeter of the mount 22 to center the cylinder bores from different orientations.
The jacking piece 23 is a cylinder, an air inlet is arranged at the bottom of the connecting base 21, and the air inlet is connected with an external air pump to provide a compression space for the cylinder.
In the present embodiment, the connection base 21 and/or the mount 22 are provided with an air intake passage 26 communicating to the inner cavity thereof, and specifically, the connection base 21 and the mount 22 are both provided with the same passage forming the air intake passage 26. The three positioning members 25 are provided with first air outlet channels 251 penetrating through two ends of the three positioning members 25, one end of each first air outlet channel 251 is located in the vertical sliding groove 221, the port is communicated with the air inlet channel 26 through an internal assembly gap, and the other end of each first air outlet channel 251 is an end face pushing against the inner wall of the cylinder hole. Through setting up air inlet channel 26, fit-up clearance, the air current passageway that first air outlet channel 251 formed, three setting element 25 are at the centering in-process, and the first air outlet channel 251 of setting element 25 can blow out compressed air, cleans the hole inside wall, can improve processingquality, also is favorable to accurate centering simultaneously. In addition, when the positioning piece 25 is not in contact with the inner side wall of the hole, the first air outlet channel 251 of the positioning piece 25 can normally blow out compressed air, the air flow speed of the inner air flow channel is high, and when the positioning piece 25 is in contact with the inner side wall of the hole, the first air outlet channel 251 of the positioning piece 25 is blocked, the air flow speed of the inner air flow channel is reduced, so that whether the positioning piece 25 detects the position can be judged according to the air flow speed in the inner air flow channel, and the positioning accuracy is improved. Further, the first air outlet channel 251 of each positioning member 25 can be individually detected, so that the air flow rate of all the positioning members 25 can be detected, and when one of the positioning members 25 cannot realize positioning, the judgment can be quickly made through the air flow rate thereof, thereby improving the detection efficiency.
Preferably, a wind speed sensor (not shown) is provided to detect the gas flow passage, and in other alternative embodiments, the detection may be performed by a human body feeling, or other means may be used.
Wherein the lifting member 23 and the air flow channel share one air pump, which can reduce costs.
In this embodiment, the end face of each positioning member 25 near the pushing inclined plane 241 is provided with a groove 252, and the groove 252 not only can be used for installing the wind speed sensor, but also reduces the contact area between the positioning member 25 and the pushing inclined plane 241, thereby reducing the friction force between the positioning member 25 and the pushing inclined plane 241, being beneficial to improving the transmission smoothness of the positioning member and the pushing inclined plane, and reducing the problem of jamming.
In this embodiment, the pushing inclined plane 241 is provided with a limiting groove 242, and the positioning member 25 is slidably inserted into the limiting groove 242, which can improve the assembly stability of the slider 24 and the positioning member 25.
In this embodiment, the end surface of the positioning member 25 far away from the sliding block 24 is spherical, in particular hemispherical, so that the spherical surface of the positioning member 25 can push the inner side walls of holes with straight surfaces, cambered surfaces or other shapes, in other words, the spherical surface can adapt to the inner side walls of holes with various shapes, the application range is wide, meanwhile, the spherical end surface can also make the spherical end surface fully contact with the inner side walls of holes with different shapes, so that the positioning mechanism 2 still has the detection function, and interference between the end surface and the inner side of a hole with an arc top or other shapes caused by the end surface being in other shapes, particularly the shape with an edge, is avoided, and thus the first air outlet channel 251 can not be blocked due to contact with the inner side walls of the holes, and the detection function can not be realized.
In the present embodiment, three horizontal sliding grooves 222 are disposed on the top surface of the mounting base 22, and further include a top cover 27 sealingly connected to the top of the mounting base 22, where the horizontal sliding grooves 222 are machined.
Further, the bottom of the top cover 27 is connected with a reset member 28, specifically a spring, and the bottom end of the reset member 28 is connected with the slider 24, so that when the jacking member 23 is not driven, the slider 24 can move downwards to the initial position under the action of the reset member 28.
Further, a second air blowing channel 29 inclined towards the spherical surface of the positioning member can be arranged on the top cover 27, so that the cleaning effect is improved.
In the present embodiment, the overall structure of the connection base 21, the mounting base 22, and the top cover 27 described below is columnar, and the outline of the existing positioning column is the same.
In the present embodiment, the fixing mechanism 3 is composed of a cylinder 31 and a link assembly 32, which can press down the cylinder edge when the cylinder drives the link assembly, thereby fixing the cylinder.
It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (10)
1. A positioner for car hydro-cylinder body, its characterized in that: comprises a workbench, at least two positioning mechanisms arranged on the workbench and a fixing mechanism for fixing a cylinder body;
the positioning mechanism comprises a connecting base, a mounting seat, a jacking piece, a sliding block and a plurality of positioning pieces;
The top surface of connecting base is equipped with the mounting groove, be equipped with in the mounting groove jacking spare, the mount pad connect in on the connecting base, it is equipped with vertical spout and the horizontal spout that a plurality of levels set up of vertical setting, the bottom and the mounting groove intercommunication of vertical spout, sliding connection has in the vertical spout the slider, the one end of slider receives jacking spare drive and reciprocate, the other end is equipped with a plurality of top pushing inclined planes, the one end and the vertical spout intercommunication of horizontal spout, the other end runs through to the lateral wall of mount pad, every horizontal spout corresponds the installation one the setting element, the one end and the corresponding top pushing inclined plane butt cooperation of setting element, the other end is used for horizontal outside removal when the jacking spare upwards moves thereby realizes the location to the cylinder body pore.
2. The positioning device for an automotive cylinder block according to claim 1, characterized in that: the connecting base and/or the mounting seat are/is provided with an air inlet channel communicated to the inner cavity of the connecting base and/or the mounting seat;
The number of the positioning pieces is at least three, and the at least three positioning pieces are provided with first air outlet channels penetrating through two ends of the positioning pieces.
3. The positioning device for an automotive cylinder block according to claim 2, characterized in that: an air speed sensor is arranged in the vertical sliding groove, and each first air outlet channel is provided with an air speed sensor.
4. A positioning device for an automotive cylinder block according to claim 3, characterized in that: the end face of the locating piece, which is close to the pushing inclined plane, is provided with a groove for installing the wind speed sensor.
5. The positioning device for an automotive cylinder block according to claim 1, characterized in that: the pushing inclined plane is provided with a limit groove, and the positioning piece is inserted into the limit groove in a sliding manner.
6. The positioning device for an automotive cylinder block according to claim 1, characterized in that: the end face of the locating piece, which is far away from the sliding block, is spherical.
7. The positioning device for an automotive cylinder block according to claim 1, characterized in that: the plurality of horizontal sliding grooves are arranged on the top surface of the mounting seat;
the top cover is connected to the top of the mounting seat in a sealing mode.
8. The positioning device for an automotive cylinder block according to claim 7, characterized in that: the bottom of top cap is connected with the piece that resets, the bottom of piece that resets with the slider is connected.
9. The positioning device for an automotive cylinder block according to claim 1, characterized in that: the jacking piece is a cylinder.
10. The positioning device for an automotive cylinder block according to claim 1, characterized in that: the horizontal sliding grooves are uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411317518.8A CN119017308A (en) | 2024-09-20 | 2024-09-20 | A positioning device for automobile oil cylinder body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411317518.8A CN119017308A (en) | 2024-09-20 | 2024-09-20 | A positioning device for automobile oil cylinder body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119017308A true CN119017308A (en) | 2024-11-26 |
Family
ID=93528835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411317518.8A Pending CN119017308A (en) | 2024-09-20 | 2024-09-20 | A positioning device for automobile oil cylinder body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119017308A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201020623Y (en) * | 2006-11-29 | 2008-02-13 | 比亚迪股份有限公司 | An internal expansion hydraulic cylinder for positioning engine block |
| CN114074191A (en) * | 2020-08-21 | 2022-02-22 | 厄罗瓦公司 | Chuck with a locking mechanism |
| CN220029947U (en) * | 2023-05-15 | 2023-11-17 | 江苏蓝佩得工业科技有限公司 | Workpiece positioning and laminating detection clamp |
-
2024
- 2024-09-20 CN CN202411317518.8A patent/CN119017308A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201020623Y (en) * | 2006-11-29 | 2008-02-13 | 比亚迪股份有限公司 | An internal expansion hydraulic cylinder for positioning engine block |
| CN114074191A (en) * | 2020-08-21 | 2022-02-22 | 厄罗瓦公司 | Chuck with a locking mechanism |
| CN220029947U (en) * | 2023-05-15 | 2023-11-17 | 江苏蓝佩得工业科技有限公司 | Workpiece positioning and laminating detection clamp |
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