CN113547322A - Device for mounting radar ball head screw - Google Patents
Device for mounting radar ball head screw Download PDFInfo
- Publication number
- CN113547322A CN113547322A CN202110788497.8A CN202110788497A CN113547322A CN 113547322 A CN113547322 A CN 113547322A CN 202110788497 A CN202110788497 A CN 202110788497A CN 113547322 A CN113547322 A CN 113547322A
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- Prior art keywords
- radar
- pressing plate
- plate
- air cylinder
- assembly
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses a device for mounting a radar ball head screw. The cylinder supporting plate is arranged above one side of the bottom plate, the other side of the bottom plate is provided with a positioning body, and the positioning body is provided with a radar assembly; the air cylinder supporting plate is provided with an air cylinder, an air cylinder rod of the air cylinder faces downwards and is coaxially connected with a compression screw, the head end of the compression screw is sleeved in an inner cavity of the limiting block, the lower part of the limiting block is connected with the pressing plate, and the pressing plate extends towards one side of the radar assembly and extends to a position right above the radar assembly; the pressing plate is provided with a vertical through hole which is used for positioning and installing a ball head screw in a penetrating way; the bottom plate is provided with a vertically arranged guide shaft, the bottom end of the guide shaft is fixed on the bottom plate, and the top end of the guide shaft penetrates through the pressing plate. The invention guides and limits the head screw, finally achieves the result that the height and the straightness of the assembled head screw meet the requirements, and is suitable for products with different heights and can share the same device after being adjusted.
Description
Technical Field
The invention relates to a device for mounting screws, in particular to a device for mounting radar ball head screws.
Background
The method is used for a product front radar for automobile detection and tracking and pedestrian control and measurement and tracking in an intelligent auxiliary driving system (ADAS), the front radar needs to be calibrated when the whole automobile is off-line, the radar needs to be subjected to proper fine adjustment according to a calibration result, and finally the calibration requirement is met. At present, the pitch angle and the left-right deflection angle of a front radar are adjusted through a ball screw when a forward radar belt support assembly is offline calibrated. In order to control the fine adjustment range, the relative height of the ball head screw and the straightness of the weight of the mounting surface and the distance error between the ball heads have corresponding requirements in the manufacturing and assembling process of the forward radar belt bracket assembly. At present, 3 ball head screws are directly installed into corresponding light holes by adopting an electric screw gun during assembly, the verticality is difficult to guarantee due to the fact that the screws are long in overhanging, the distance from a ball head to the bottom surface of a radar is difficult to control, and the distance between the ball head and the radar is out of tolerance.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a device for mounting a radar ball head screw.
In order to solve the technical problems, the invention adopts the following technical scheme:
the radar positioning device comprises a bottom plate, a positioning body, a pressing plate, a limiting block, a compression screw, an air cylinder, a guide shaft and an air cylinder supporting plate, wherein the air cylinder supporting plate is supported and fixed above one side of the bottom plate through 4 supporting columns, the bottom plate is fixedly provided with the positioning body through screws, and the positioning body is provided with a radar assembly; the air cylinder supporting plate is fixedly provided with an air cylinder, an air cylinder rod of the air cylinder penetrates through the air cylinder supporting plate downwards and then is coaxially connected with a threaded end of a compression screw, the head end of the compression screw is sleeved in an inner cavity formed by the two limiting blocks, the lower part of the limiting block is connected with the pressing plate, and the pressing plate extends towards one side of the radar assembly and extends to a position right above the radar assembly; a pressing plate right above the radar assembly is provided with vertical through holes, and the four through holes are used for penetrating ball head screws of the radar assembly to perform positioning and installation; at least 2 guide shafts which are vertically arranged are fixedly installed on the bottom plate, the bottom ends of the guide shafts are fixed on the bottom plate, and the top ends of the guide shafts penetrate through the pressing plate.
And a supporting nail is arranged in an inner cavity of the limiting block right below the compression screw, and the supporting nail penetrates through the inner cavity of the limiting block and is installed on the top surface of the pressing plate in a clearance fit mode.
The bottom plate below the pressing plate is fixedly provided with vertically arranged limiting columns, and the limiting columns are used for stopping the pressing plate from falling below the lowest height to limit the lowest height of the falling pressing plate.
The top surface of the pressure plate is provided with sliding bearings, the number of the sliding bearings is the same as that of the guide shafts, the sliding bearings are fixed on the pressure plate, and each guide shaft penetrates through the pressure plate and simultaneously penetrates through a corresponding sliding bearing.
In the four through holes of the pressing plate, the center distance between the adjacent through holes meets the center distance between the adjacent ball head screws when the ball head screws are installed.
The two limiting blocks form an inner cavity, the side surfaces of the limiting blocks form gaps, and the compression screws are taken out from the inner cavity of the limiting blocks through the gaps.
The four corners of the positioning body are all provided with vertical holes, each vertical hole is internally provided with a movable positioning pin assembly, each movable positioning pin assembly comprises an adjusting stud, a cylindrical spring and a movable positioning pin, the adjusting studs, the cylindrical springs and the movable positioning pins are sequentially arranged in the vertical holes from bottom to top, and the cylindrical springs are connected between the adjusting studs and the movable positioning pins.
The invention has the beneficial effects that:
1. the device can ensure the verticality of the assembled ball head screw A and ensure the smooth assembly process of the whole vehicle
2. The device can ensure the center distance of the ball head after the product is installed, and ensure the subsequent assembly of the product to be smooth
3. The adjustable positioning structure is adopted to realize that one device is suitable for the assembly of a series of products, the development cost of a new product is reduced, and the development period of the new product is shortened
4. The use of a replaceable support pin design increases the useful life of the device,
drawings
FIG. 1 is a front view of the apparatus of the present invention;
FIG. 2 is a side view of the apparatus of the present invention;
FIG. 3 is a schematic view of the movable dowel assembly of the present invention;
fig. 4 is a schematic structural view before assembly in the present invention.
In the figure: 1. the device comprises a base plate, 2, a supporting column, 3, a positioning body, 4, an adjusting stud, 5, a cylindrical spring, 6, a movable positioning pin, 7, a pressing plate, 8, a bushing, 9, a supporting nail, 10, a limiting block, 11, a first hexagon socket head cap screw, 12, a compression screw, 13, a hexagon nut, 14, a cylinder supporting plate, 15, a cylinder, 16, a sliding bearing, 17, a second hexagon socket head cap screw, 18, a guide shaft, 19, a limiting column, 20, a third hexagon socket head cap screw, 21, a fourth hexagon socket head cap screw, 22 and a fifth hexagon socket head cap screw.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
As shown in fig. 1 and 2, the radar positioning device comprises a bottom plate 1, a positioning body 3, a pressure plate 7, a limiting block 10, a compression screw 12, a cylinder 15, a guide shaft 18 and a cylinder supporting plate 14, wherein the cylinder supporting plate 14 is supported and fixed above one side of the bottom plate 1 through four supporting columns 2 at four corners, the supporting cylinder 15 and the cylinder supporting plate 14 are supported through the four supporting columns 2, the positioning body 3 is fixedly installed on the other side of the bottom plate 1, and a radar assembly a is installed on the positioning body 3;
an air cylinder 15 is fixedly installed on an air cylinder supporting plate 14, an air cylinder rod of the air cylinder 15 penetrates through the air cylinder supporting plate 14 downwards and then is coaxially connected with a threaded end of a compression screw 12, a threaded end of the compression screw 12 faces upwards and is screwed into a threaded hole formed in the end face of the air cylinder rod through threads, a hexagon nut 13 is further sleeved outside the threaded end of the compression screw 12 below the air cylinder rod and is screwed and fixed through the hexagon nut 13, the head end of the compression screw 12 is sleeved in an inner cavity of a limiting block 10, the lower portion of the limiting block 10 is connected with a pressing plate 7 through a first inner hexagon socket head cap screw 11, the pressing plate 7 extends towards one side of a radar assembly A and extends to the position right above the radar assembly A, and the radar assembly A is located between the pressing plate 7 and a bottom plate 1;
the limiting block 10 is detachably mounted on the pressing plate 7 through a first inner hexagonal socket head cap screw 11. When the assembling work is not carried out, the limiting block 10 is taken down from the pressure plate 7; during assembly, the limiting block 10 and the pressing plate 7 are integrally assembled.
Vertical through holes are formed in four corners of the position, right above the radar assembly A, of the pressing plate 7, the four through holes are used for penetrating through ball head screws B of the radar assembly A to perform positioning installation, and when the ball head screws B are placed into the through holes, bushings 8 are sleeved between the through holes and the ball head screws B;
at least one guide shaft 18 which is vertically arranged is fixedly arranged on the bottom plate 1 below the cylinder supporting plate 19, the bottom end of the guide shaft 18 is fixed on the bottom plate 1, and the top end of the guide shaft 18 penetrates through the pressing plate 7.
The inner cavity of the limiting block 10 penetrates downwards out of the lower end of the limiting block 10, a supporting nail 9 is arranged in the inner cavity of the limiting block 10 right below the compression screw 12, the supporting nail 9 penetrates out of the inner cavity of the limiting block 10 and is installed on the top surface of the pressing plate 7 in a threaded mode, and the supporting nail 9 is used for supporting and buffering when the compression screw 12 falls down.
The vertical limiting column 15 is fixedly mounted on the bottom plate 1 below the pressing plate 7, the limiting column 15 is used for stopping the pressing plate 7 from falling below the lowest height, and the lowest height of the pressing plate 7 is limited so as to prevent the pressing plate 7 from excessively falling and crushing the radar assembly A.
The pressing plate 7 is axially limited up and down by the guide shaft 18 through the air cylinder to realize up-and-down translation, and finally, the assembly can be smoothly taken out after the ball head screw is assembled.
The press plate 7 is provided with the same number of sliding bearings 16 as the number of the guide shafts 18 on the top surface below the cylinder support plate 19, the sliding bearings 16 are fixed on the press plate 7 through second hexagon socket head cap screws 17, and each guide shaft 18 penetrates through the press plate 7 and also penetrates through a corresponding sliding bearing 16, and is particularly sleeved in the sliding bearing 16.
In the four through holes at the four corners of the pressure plate 7, the center distance between the adjacent through holes meets the center distance between the adjacent ball screws B when the ball screws B are installed.
An inner cavity used for accommodating the head end of the compression screw 12 is formed in the limiting block 10, a notch communicated with the inner cavity is formed in the side face of the limiting block 10, and the compression screw 12 extends into the inner cavity of the limiting block 10 through the notch.
As shown in fig. 3, vertical holes have all been seted up in the four corners of the locating body 3, all install movable locating pin subassembly in every vertical hole, and movable locating pin subassembly includes adjusting stud 4, cylindrical spring 5, movable locating pin 6, and adjusting stud 4, cylindrical spring 5, movable locating pin 6 from the bottom up install in proper order in vertical hole, and cylindrical spring 5 is connected between adjusting stud 4 and movable locating pin 6. The movable positioning pin 6 is supported by the cylindrical spring 5 to realize the sharing of the positioning hole and the assembling hole, and the final height adjustment of the ball head screw is met by adjusting the sinking height of the positioning pin through the adjusting screw, so that the requirement that the same device is suitable for multiple varieties is met.
The supporting legs at four corners of the bottom of the radar assembly A are connected with four movable positioning pins 6, and the movable positioning pins 6 overcome the spring elasticity of the cylindrical spring 5 and are pressed into the vertical holes under the action of the gravity of the radar assembly A, so that the supporting legs of the radar assembly A also stretch into the vertical holes to perform positioning and installation of the radar assembly A.
The movable positioning pin 6 is movably mounted and matched with the positioning body 3, so that the movable positioning pin 6 can move downwards when the ball head screw B moves downwards, and the assembly of the ball head screw can not be influenced when the movable positioning pin 6 is positioned.
The movable positioning pin 6 returns through the cylindrical spring 5 and the adjusting stud 4, and meanwhile, the height of the ball screw assembling position is adjusted through the position of the adjusting stud, and finally the universality of the tool is realized.
The assembling process comprises the following steps:
firstly, a movable positioning pin 6, a cylindrical spring 5 and an adjusting stud 4 are sequentially arranged in a vertical hole of a pressure plate 3, the position of the adjusting stud 4 on the position is adjusted,
then the positioning body 3 is arranged on the bottom plate 1, the pressing plate 7 is connected to the air cylinder 14 through the limiting block 10 and the compression screw 12, and the up-and-down lifting movement of the pressing plate 7 is realized through the air pressure of the air cylinder 14;
meanwhile, the pressure plate 7 ensures that the pressure plate 7 does not have offset motion and change in the horizontal direction when translating up and down through the two guide shafts 18 and the sliding bearing 16;
guarantee through two spacing posts 15 that clamp plate 7 can not all be born by the product when moving down the demand position with all pressure, and crush the product, prevent simultaneously that ball head screw B from not being lived after with the locating pin contact.
The working process is as follows: the air cylinder 14 runs to drive the limiting block 10 to move up and down through the compression screw 12, and then drives the pressing plate 7 to press the radar assembly A, and all the through holes of the pressing plate 7 are respectively communicated with all the unthreaded holes at the top end of the radar assembly A in a coaxial and corresponding mode.
As shown in fig. 4, before assembly, the threaded end of the ball screw B faces downward and penetrates through the through hole of the pressing plate 7 to penetrate into the unthreaded hole at the top end of the radar assembly a; after assembly, the electric gun/air gun rotates the ball screw B, and the threaded end of the ball screw B is screwed into the unthreaded hole.
The invention is used for installing the ball screws B on three four corners of the radar assembly A, and because the three four corners of the radar assembly A are unthreaded holes and the lower end of the ball screw B is external threads, the problem of inaccurate installation position can be caused when the ball screw B is installed in the unthreaded holes of the three four corners of the radar assembly A through threads, so that the error of the center distance between every two adjacent ball screws B is extremely large. Then, the product is processed
Under the product requirement of a front radar of the whole vehicle, the center distance between two adjacent ball head screws is required to be within plus or minus 0.3mm, otherwise, the smooth assembly of the radar ball head screw assembly and a mounting bracket on a vehicle body can be influenced, and the problem of radar offline calibration caused by difficult adjustment after hard installation can be caused.
The device provided by the invention is adopted to install the ball screws B into the unthreaded holes at three four corners of the radar assembly A, so that the adjacent center distances of the three ball screws B and the four ball screws B can keep very accurate positioning distances, and the error cannot exceed plus or minus 0.3 mm.
Claims (7)
1. The utility model provides a dress radar bulb screw device which characterized in that: the device comprises a bottom plate (1), a positioning body (3), a pressing plate (7), a limiting block (10), a compression screw (12), an air cylinder (14), a guide shaft (18) and an air cylinder supporting plate (14), wherein the air cylinder supporting plate (14) is supported and fixed above one side of the bottom plate (1) through a supporting column (2), the bottom plate (1) is fixedly provided with the positioning body (3) through a screw (20), and a radar assembly (A) is arranged on the positioning body (3); an air cylinder (15) is fixedly mounted on the air cylinder supporting plate (14), an air cylinder rod of the air cylinder (15) penetrates through the air cylinder supporting plate (14) downwards and then is coaxially connected with a threaded end of a compression screw (12), the head end of the compression screw (12) is sleeved in an inner cavity formed by two limiting blocks (10), the lower part of each limiting block (10) is connected with a pressing plate (7), and the pressing plate (7) extends towards one side of the radar assembly (A) and extends to be located right above the radar assembly (A); a pressing plate (7) right above the radar assembly (A) is provided with vertical through holes, and the four through holes are used for penetrating ball head screws (B) of the radar assembly (A) for positioning and mounting; at least 2 guide shafts (18) which are vertically arranged are fixedly mounted on the bottom plate (1), the bottom ends of the guide shafts (18) are fixed on the bottom plate (1), and the top ends of the guide shafts (18) penetrate through the pressing plate (7).
2. A radar ball screw mounting apparatus as claimed in claim 1, wherein:
and a supporting nail (9) is arranged in an inner cavity of the limiting block (10) right below the compression screw (12), and the supporting nail (9) penetrates out of the inner cavity of the limiting block (10) and is installed on the top surface of the pressing plate (7) in a clearance fit mode.
3. A radar ball screw mounting apparatus as claimed in claim 1, wherein:
the bottom plate (1) below the pressing plate (7) is fixedly provided with a vertically arranged limiting column (19), and the limiting column (19) is used for stopping the pressing plate (7) from falling below the lowest height to limit the lowest height of the pressing plate (7).
4. A radar ball screw mounting apparatus as claimed in claim 1, wherein:
the top surface of the pressure plate (7) is provided with sliding bearings (16) which are the same in number as the guide shafts (18), the sliding bearings (16) are fixed on the pressure plate (7), and each guide shaft (18) penetrates through the pressure plate (7) and simultaneously penetrates through one corresponding sliding bearing (16).
5. A radar ball screw mounting apparatus as claimed in claim 1, wherein:
in the four through holes of the pressing plate (7), the center distance between the adjacent through holes meets the center distance between the adjacent ball head screws (B) when the ball head screws (B) are installed.
6. A radar ball screw mounting apparatus as claimed in claim 1, wherein:
the two limiting blocks (10) form an inner cavity, the side surfaces of the limiting blocks (10) form gaps, and the compression screws (12) are taken out from the inner cavity of the limiting blocks (10) through the gaps.
7. A radar ball screw mounting apparatus as claimed in claim 1, wherein:
the four corners of the positioning body (3) are all provided with vertical holes, each vertical hole is internally provided with a movable positioning pin assembly, each movable positioning pin assembly comprises an adjusting stud (4), a cylindrical spring (5) and a movable positioning pin (6), the adjusting studs (4), the cylindrical springs (5) and the movable positioning pins (6) are sequentially arranged in the vertical holes from bottom to top, and the cylindrical springs (5) are connected between the adjusting studs (4) and the movable positioning pins (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110788497.8A CN113547322A (en) | 2021-07-13 | 2021-07-13 | Device for mounting radar ball head screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110788497.8A CN113547322A (en) | 2021-07-13 | 2021-07-13 | Device for mounting radar ball head screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113547322A true CN113547322A (en) | 2021-10-26 |
Family
ID=78103059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110788497.8A Pending CN113547322A (en) | 2021-07-13 | 2021-07-13 | Device for mounting radar ball head screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113547322A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116944833A (en) * | 2023-09-21 | 2023-10-27 | 成都瑞迪智驱科技股份有限公司 | Semi-automatic assembly and detection integrated system for electromagnetic brake |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB639640A (en) * | 1947-04-04 | 1950-07-05 | Judson L Thomson Mfg Company | Improvements in screw driving machines |
| US3317990A (en) * | 1964-07-29 | 1967-05-09 | Chicago Pneumatic Tool Co | Set screw driver |
| JPS61249231A (en) * | 1985-04-26 | 1986-11-06 | Mazda Motor Corp | Composite apparatus for press-fitting and fastening |
| CN202846122U (en) * | 2012-10-08 | 2013-04-03 | 河南森源电气股份有限公司 | Rapid riveting device of bearing and rotating wheel |
| CN209272868U (en) * | 2018-07-19 | 2019-08-20 | 浙江亚太机电股份有限公司 | The electromagnetic valve body retainer-ring press mounting position ABS keeps structure |
| CN210547800U (en) * | 2019-07-16 | 2020-05-19 | 浙江亚太机电股份有限公司 | Quick-change pneumatic riveting device for rotary riveting machine |
| CN211867037U (en) * | 2020-04-03 | 2020-11-06 | 重庆钧顶机械制造有限公司 | Crankshaft assembly press-fitting die for motorcycle |
-
2021
- 2021-07-13 CN CN202110788497.8A patent/CN113547322A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB639640A (en) * | 1947-04-04 | 1950-07-05 | Judson L Thomson Mfg Company | Improvements in screw driving machines |
| US3317990A (en) * | 1964-07-29 | 1967-05-09 | Chicago Pneumatic Tool Co | Set screw driver |
| JPS61249231A (en) * | 1985-04-26 | 1986-11-06 | Mazda Motor Corp | Composite apparatus for press-fitting and fastening |
| CN202846122U (en) * | 2012-10-08 | 2013-04-03 | 河南森源电气股份有限公司 | Rapid riveting device of bearing and rotating wheel |
| CN209272868U (en) * | 2018-07-19 | 2019-08-20 | 浙江亚太机电股份有限公司 | The electromagnetic valve body retainer-ring press mounting position ABS keeps structure |
| CN210547800U (en) * | 2019-07-16 | 2020-05-19 | 浙江亚太机电股份有限公司 | Quick-change pneumatic riveting device for rotary riveting machine |
| CN211867037U (en) * | 2020-04-03 | 2020-11-06 | 重庆钧顶机械制造有限公司 | Crankshaft assembly press-fitting die for motorcycle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116944833A (en) * | 2023-09-21 | 2023-10-27 | 成都瑞迪智驱科技股份有限公司 | Semi-automatic assembly and detection integrated system for electromagnetic brake |
| CN116944833B (en) * | 2023-09-21 | 2023-11-24 | 成都瑞迪智驱科技股份有限公司 | Semi-automatic assembly and detection integrated system for electromagnetic brake |
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Application publication date: 20211026 |