CN110842534A - Automatic tightening machine for connecting bolt of steering knuckle and hub - Google Patents
Automatic tightening machine for connecting bolt of steering knuckle and hub Download PDFInfo
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- CN110842534A CN110842534A CN201911337616.7A CN201911337616A CN110842534A CN 110842534 A CN110842534 A CN 110842534A CN 201911337616 A CN201911337616 A CN 201911337616A CN 110842534 A CN110842534 A CN 110842534A
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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
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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
- B23P19/001—Article feeders for assembling machines
- B23P19/006—Holding or positioning the article in front of the applying tool
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Abstract
The invention discloses an automatic tightening machine for a connecting bolt of a steering knuckle and a hub, which comprises a main body tightening part, an equipment base, an equipment protective support, a controller and a display unit, wherein the equipment protective support is arranged above the equipment base, the front side of the equipment protective support is provided with a cavity with the other closed surfaces, the inner cavity of the equipment protective support on the top wall of the equipment base is provided with the main body tightening part for automatically tightening a workpiece bolt, the front side of the top of the equipment protective support is provided with the display unit, and the rear part of the equipment protective support is provided with the controller for controlling the main body tightening part to work. The automatic tightening machine is reasonable in structure and convenient to operate, labor intensity can be reduced, production efficiency is improved, and the assembling precision quality of the steering knuckle and the hub connecting bolt is ensured.
Description
Technical Field
The invention relates to a tightening device, in particular to an automatic tightening machine for a connecting bolt of a steering knuckle and a hub.
Background
The steering knuckle is an important part on an automobile steering axle, and can enable an automobile to stably run and sensitively transmit the running direction. The knuckle shape is generally in the shape of an irregular triangle or other similar shapes. Due to the special-shaped structures of the steering knuckle and the wheel hub and the assembly method of the steering frame and the wheel hub, a manual screwing mode is still mainly adopted at present. The manual tightening mode causes the problems of high labor intensity of workers, overhigh labor cost of enterprises, low working efficiency and the like.
Disclosure of Invention
The invention aims to provide an automatic tightening machine for a connecting bolt of a steering knuckle and a hub, which has the advantages of reasonable structure, convenience in operation, capability of reducing labor intensity, improvement on production efficiency and guarantee of the assembling precision quality of the connecting bolt of the steering knuckle and the hub.
The technical scheme adopted by the invention for solving the technical problems is as follows: the automatic tightening machine for the steering knuckle and the wheel hub connecting bolt comprises a main body tightening part, an equipment base, an equipment protective support, a controller and a display unit, wherein the equipment protective support is arranged above the equipment base, the front side of the equipment protective support is provided with a cavity with the other closed side, the inner cavity of the top wall equipment protective support of the equipment base is provided with the main body tightening part for automatically tightening the workpiece bolt, the display unit is arranged on the front side of the top of the equipment protective support, and the controller for controlling the main body tightening part to work is arranged at the rear part of the equipment protective support.
Further, the main body screwing part comprises a main machine upright post part, a main machine part and a workpiece transverse moving mechanism, the main machine part is connected with the main machine three-dimensional part in a sliding mode, and the workpiece transverse moving mechanism is arranged in front of the bottom of the main machine three-dimensional part.
Further, the host machine stand column part comprises a host machine lifting cylinder, a host machine stand column, a tool positioning cylinder, a tool positioning seat, a host machine lifting slide rail slider, a positioning clamping cylinder and a tool positioning block, wherein the host machine lifting cylinder is arranged above the host machine stand column, the tool positioning cylinder is arranged on one side of the host machine, one side of the lower part of the main body is provided with the positioning clamping cylinder, the corresponding positioning clamping cylinder is provided with the tool positioning seat, the inner side of the tool positioning seat is provided with the tool positioning block, and the front side of the host machine stand column is provided with the host machine lifting slide rail slider.
Further, the main machine part comprises an electric tightening shaft, a main machine frame, a tightening shaft mounting plate, a workpiece splash plate, a positioning adjusting block, a floating joint, a position identification block, a centering tool supporting plate, a tightening sleeve, a compression spring and a center positioning copper head, the main machine frame is in sliding connection with the main machine upright post part, the tightening shaft mounting plate is arranged on the main machine frame, the electric tightening shaft is connected with the main machine frame through the tightening shaft mounting plate, and the working end of the electric tightening shaft extends to the lower part of the main machine frame; the utility model discloses a centering tool, including host computer frame, blind end, centering tool support plate, compression spring, the work end of electronic tightening shaft is equipped with the location adjusting block of the position of adjustment electronic tightening shaft, and the blind end outside of host computer frame is equipped with floating joint and position identification piece, the work end of electronic tightening shaft is equipped with centering tool support plate, centering tool support plate passes through the support column and installs on tightening the axle mounting panel, the center of centering tool support plate is equipped with the center location copper head, be equipped with compression spring between center location copper head and the centering tool support plate, the work end of electronic.
Furthermore, one side of the main frame is also provided with a drag chain for protecting the cable.
Further, a workpiece splash guard is arranged at the opening end of the main frame.
Further, the workpiece transverse moving mechanism comprises a transverse moving mounting plate, a transverse moving slide rail sliding block, a positioning buffer, a transverse moving air cylinder, a calibration mounting seat, a workpiece center positioning sleeve and a positioning sleeve mounting seat, the transverse moving mounting plate is connected to the equipment base through the transverse moving slide rail sliding block, the workpiece center positioning sleeve is fixed on the left positioning sleeve mounting seat, the calibration mounting seat is fixed on the right positioning sleeve mounting seat, switching between two stations is completed through the transverse moving air cylinder, and the positioning buffer is arranged on two sides of each station.
Further, be equipped with the safety grating in the equipment protective bracket, the safety grating passes through the safety grating guard plate and is connected with equipment protective bracket inside wall. The safety grating consists of two parts, namely a light emitter and a light receiver. The light emitter emits modulated infrared light which is received by the light receiver to form a grating protection net.
Furthermore, the upper end of the equipment base is provided with a starting button and a stud box.
Furthermore, button boxes are respectively arranged on two sides of the equipment protection support.
The invention has the beneficial effects that:
on the premise of ensuring the tightening precision, the automatic tightening machine reduces the labor intensity of workers, reduces the labor cost, improves the working efficiency and ensures the precision quality of the assembly of the steering knuckle and the hub connecting bolt.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is a perspective view of the present invention;
FIG. 4 is a view showing a structure of a body tightening part of the present invention;
FIG. 5 is a schematic structural diagram of the mast of the host of FIG. 4;
FIG. 6 is an isometric view of the host portion of FIG. 4;
FIG. 7 is an isometric view of the host portion of FIG. 4 from a different angle;
FIG. 8 is a schematic structural view of the traversing mechanism of FIG. 4;
FIG. 9 is an isometric view of the traversing mechanism;
FIG. 10 is a schematic view of a workpiece structure of the present invention
In the figure:
1-the tightening part of the main body,
1-1 main machine upright post part, 1-1-1 main machine lifting cylinder, 1-1-2 main machine upright posts, 1-1-3 tool positioning cylinder, 1-1-4 tool positioning seat, 1-1-5 main machine lifting slide rail slide block, 1-1-6 positioning clamping cylinder, 1-1-7 tool positioning block,
1-2 main machine part, 1-2-1 electric tightening shaft, 1-2-2 main machine frame, 1-2-3 tightening shaft mounting plate, 1-2-4 workpiece splash guard, 1-2-5 positioning adjusting block, 1-2-6 drag chain, 1-2-7 floating joint, 1-2-8 position identifying block, 1-2-9 centering tool supporting plate, 1-2-10 tightening sleeve, 1-2-11 compression spring, 1-2-12 centering copper head,
1-3 workpiece transverse moving mechanism, 1-3-1 transverse moving mounting plate, 1-3-2 transverse moving slide rail slide block, 1-3-3 positioning buffer, 1-3-4 transverse moving cylinder, 1-3-5 calibration mounting seat, 1-3-6 workpiece central positioning sleeve, 1-3-7 positioning sleeve mounting seat and 2-state display screen,
3-equipment protection support, 4-button box, 5-bolt box, 6-equipment base, 7-control computer, 8-controller, 9-equipment left start button, 10-equipment right start button, 11-safety grating, 12-safety grating protection plate, 14-1 knuckle extension arm and 14-2 connecting bolt.
Detailed Description
The automatic tightening machine for a knuckle and hub connecting bolt of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, the automatic tightening machine for a knuckle and hub connection bolt of the present invention includes a main body tightening part 1, an equipment base 6, an equipment shield bracket 3, a controller 8 and a display unit, wherein the display unit is a status display screen 2 disposed at the front end of the equipment shield bracket 3. The top of equipment base is equipped with equipment protective bracket, the other confined cavitys of face of front side opening of equipment protective bracket, and the roof equipment protective bracket inner chamber of equipment base is equipped with the main part of screwing up the automatic part of screwing up of work piece bolt, the top front side of equipment protective bracket is equipped with display element, and the rear portion of equipment protective bracket is equipped with the controller 8 of the part work of control main part screwing up. And button boxes 4 are respectively arranged on two sides of the equipment protection support.
As shown in fig. 4, the main body tightening part 1 comprises a main body upright part 1-1, a main body part 1-2 and a workpiece transverse moving mechanism 1-3, the main body part is connected with a main body three-dimensional part in a sliding manner, and the workpiece transverse moving mechanism is arranged in front of the bottom of the main body three-dimensional part.
As shown in figure 5, the main machine upright post part comprises a main machine lifting cylinder 1-1-1, a main machine upright post 1-1-2, a tool positioning cylinder 1-1-3, a tool positioning seat 1-1-4, a main machine lifting slide rail slide block 1-1-5, a positioning clamping cylinder 1-1-6 and a tool positioning block 1-1-7, the main machine lifting cylinder 1-1-1 is arranged above the main machine upright post, the tool positioning cylinder 1-1-3 is arranged at one side of the main machine solid, one side of the lower part of the main body solid is provided with a positioning clamping cylinder 1-1-6, a tool positioning seat is arranged corresponding to the positioning and clamping cylinder 1-1-6, a tool positioning block is arranged on the inner side of the tool positioning seat, and a host lifting slide rail sliding block 1-1-5 is arranged on the front side of the host stand column. The tool positioning seat 1-1-4 drives the tool positioning block 1-1-7 to adjust the positioning heights of different workpieces, and the positioning and clamping cylinder 1-1-6 is installed on the host machine upright post 1-1-2 to clamp the positioned workpieces.
As shown in figures 6 and 7, the main machine part comprises a power tightening shaft 1-2-1, a main machine frame 1-2-2, a tightening shaft mounting plate 1-2-3, a workpiece splash guard 1-2-4, a positioning adjusting block 1-2-5, a floating joint 1-2-7, a position identifying block 1-2-8, a centering tool support plate 1-2-9, a tightening sleeve 1-2-10, a compression spring 1-2-11 and a central positioning copper head 1-2-12, and the main machine frame is connected with a main machine upright column part in a sliding mode and connected with a sliding block on the front side of a main machine upright column. The electric tightening shaft is connected with the main frame through the tightening shaft mounting plate, and the working end of the electric tightening shaft extends to the lower part of the main frame; the opening end of the host frame is provided with a positioning adjusting block 1-2-5 for adjusting the position of an electric tightening shaft, the outer side of the closed end of the host frame is provided with a floating joint and a position identification block, the integral lifting is completed by driving the floating joint 1-2-7 through a host lifting cylinder 1-1-1, the lifting position is realized by detecting the position of a radio and television switch through the position identification block 1-2-8, the working end of the electric tightening shaft is provided with a centering tool supporting plate 1-2-9, the centering tool supporting plate 1-2-9 is screwed on a shaft mounting plate 1-2-3 through a supporting upright post, the center of the centering tool supporting plate is provided with a center positioning copper head 1-2-12, and a compression spring is arranged between the center positioning copper head and the centering tool supporting plate, and the working end of the electric tightening shaft is provided with a tightening sleeve. One side of the main frame is also provided with a drag chain 1-2-6 for protecting the cable.
The main machine frame 1-2-2 is connected to the main machine upright post part 1-1 through a main machine lifting slide rail sliding block 1-1-5, the integral lifting is completed by driving a floating joint 1-2-7 through a main machine lifting air cylinder 1-1-1, the lifting position is realized by detecting the position of a radio and television switch through a position identification block 1-2-8, an electric tightening shaft 1-2-1 is arranged on a tightening shaft mounting plate 1-2-3, the tightening shaft mounting plate 1-2-3 is arranged on the main machine frame 1-2-2, the position of the electric tightening shaft is adjusted through a positioning adjustment block 1-2-5, the main machine part 1-2 integrally descends during working to drive a central positioning copper head 1-2-12 to realize the positioning of a central hole of a workpiece, after the screwing is finished, the main machine part 1-2 integrally ascends, and the compression springs 1-2-11 finish the separation of the workpieces.
The opening end of the main frame is also provided with a workpiece splash guard 1-2-4, the workpiece splash guard 1-2-4 is arranged on the main frame 1-2-2 to prevent the workpiece from being damaged and splashed in the screwing process,
as shown in fig. 8 and 9, the workpiece traversing mechanism 1-3 comprises a traversing mounting plate 1-3-1, a traversing sliding rail slider 1-3-2, a positioning buffer 1-3-3, a traversing cylinder 1-3-4, a calibration mounting base 1-3-5, a workpiece center positioning sleeve 1-3-6 and a positioning sleeve mounting base 1-3-7, the traversing mounting plate 1-3-1 is connected to an equipment base 6 through the traversing sliding rail slider 1-3-2, the workpiece center positioning sleeve 1-3-6 is fixed on a left positioning sleeve mounting base 1-3-7, the calibration mounting base 1-3-5 is fixed on a right positioning sleeve mounting base 1-3-7, the switching between the two stations is completed through the traversing cylinder 1-3-4, positioning buffers 1-3-3 are respectively arranged at two sides of the station.
As shown in fig. 3, a safety grating 11 is arranged in the equipment protection support 3, and the safety grating is connected with the inner side wall of the equipment protection support 3 through a safety grating protection plate 12. The safety grating consists of two parts, namely a light emitter and a light receiver. The light emitter emits modulated infrared light which is received by the light receiver to form a grating protection net.
The upper end of the equipment base is provided with a starting button and a stud box 5. Two start buttons are provided, a device left start button 9 and a device right start button 10 respectively. In the operation process of the equipment, if an operator mistakenly extends an arm or other parts into the equipment protection support 3, the safety gratings 11 on the two sides can trigger an alarm, the equipment is suddenly stopped, and the personal safety of the operator is protected.
When the work is started, a workpiece is manually placed in a central positioning sleeve 1-3-6 of a transverse moving mechanism 1-3, a positioning lifting cylinder 1-1-3 is adjusted to an accurate position according to different models, an equipment left starting button 10 and an equipment right starting button 9 are simultaneously pressed, at the moment, a positioning clamping cylinder 1-1-6 clamps an extending arm 14-1 of the workpiece, a host machine part 1-2 descends, an electric tightening shaft 1-2-1 automatically rotates to complete the tightening of a workpiece bolt 14-2, after the tightening is completed, the host machine part 1-2 automatically ascends, an operator takes out a station to perform the next workpiece operation, and if the operator mistakenly extends the arm or other parts into an equipment protective bracket 3 in the operation process of the equipment, safety gratings 11 on two sides can cause alarm and the equipment suddenly stops, the personal safety of operators is protected, and the tightening data in the whole working process can be inquired in the control computer 7.
On the premise of ensuring the tightening precision, the automatic tightening machine reduces the labor intensity of workers, reduces the labor cost, improves the working efficiency and ensures the precision quality of the assembly of the steering knuckle and the hub connecting bolt.
While the foregoing is directed to the principles of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Other technical features than those described in the specification are known to those skilled in the art.
Claims (10)
1. The automatic tightening machine for the steering knuckle and the hub connecting bolt is characterized by comprising a main body tightening part, an equipment base, an equipment protective support, a controller and a display unit, wherein the equipment protective support is arranged above the equipment base, the front side of the equipment protective support is open to the cavity with the other closed faces, the inner cavity of the top wall equipment protective support of the equipment base is provided with the main body tightening part for automatically tightening the workpiece bolt, the display unit is arranged on the front side of the top of the equipment protective support, and the controller for controlling the main body tightening part to work is arranged at the rear part of the equipment protective support.
2. The automatic tightening machine for a connecting bolt between a steering knuckle and a hub according to claim 1, wherein the main body tightening part comprises a main body upright part, a main body part and a workpiece transverse moving mechanism, the main body part is slidably connected with a main body solid part, and the workpiece transverse moving mechanism is arranged in front of the bottom of the main body solid part.
3. The automatic tightening machine for the connecting bolt between the steering knuckle and the hub according to claim 2, wherein the main machine upright part comprises a main machine lifting cylinder, a main machine upright, a tool positioning cylinder, a tool positioning seat, a main machine lifting slide block, a positioning clamping cylinder and a tool positioning block, the main machine lifting cylinder is arranged above the main machine upright, the tool positioning cylinder is arranged on one side of the main machine stereoscopic body, the positioning clamping cylinder is arranged on one side of the lower portion of the main machine stereoscopic body, the tool positioning seat is arranged corresponding to the positioning clamping cylinder, the tool positioning block is arranged on the inner side of the tool positioning seat, and the main machine lifting slide block is arranged on the front side of the main machine upright.
4. The automatic tightening machine for a connecting bolt between a steering knuckle and a hub according to claim 2, wherein the main machine part comprises a power tightening shaft, a main machine frame, a tightening shaft mounting plate, a workpiece splash plate, a positioning adjustment block, a floating joint, a position identification block, a centering tool support plate, a tightening sleeve, a compression spring and a center positioning copper head, the main machine frame is slidably connected with the main machine upright post part, the tightening shaft mounting plate is arranged on the main machine frame, the power tightening shaft is connected with the main machine frame through the tightening shaft mounting plate, and a working end of the power tightening shaft extends to the lower part of the main machine frame; the utility model discloses a centering tool, including host computer frame, blind end, centering tool support plate, compression spring, the work end of electronic tightening shaft is equipped with the location adjusting block of the position of adjustment electronic tightening shaft, and the blind end outside of host computer frame is equipped with floating joint and position identification piece, the work end of electronic tightening shaft is equipped with centering tool support plate, centering tool support plate passes through the support column and installs on tightening the axle mounting panel, the center of centering tool support plate is equipped with the center location copper head, be equipped with compression spring between center location copper head and the centering tool support plate, the work end of electronic.
5. The automatic tightening machine for a connecting bolt between a steering knuckle and a hub according to claim 4, wherein a drag chain for protecting a cable is further provided at one side of the main frame.
6. The automatic steering knuckle and hub connection bolt tightening machine according to claim 4, wherein a work splash plate is further provided at an open end of the main frame.
7. The automatic tightening machine for the connecting bolt between the steering knuckle and the hub as claimed in claim 2, wherein the workpiece traversing mechanism comprises a traversing mounting plate, a traversing sliding rail slider, a positioning buffer, a traversing cylinder, a calibration mounting seat, a workpiece center positioning sleeve and a positioning sleeve mounting seat, the traversing mounting plate is connected to the equipment base through the traversing sliding rail slider, the workpiece center positioning sleeve is fixed on the left positioning sleeve mounting seat, the calibration mounting seat is fixed on the right positioning sleeve mounting seat, the switching between the two stations is completed through the traversing cylinder, and the positioning buffer is respectively arranged at two sides of the stations.
8. The automatic tightening machine for the connecting bolt between the steering knuckle and the hub according to claim 1, wherein a safety light barrier is arranged in the equipment protecting support and is connected with the inner side wall of the equipment protecting support through a safety light barrier protecting plate. The safety grating consists of two parts, namely a light emitter and a light receiver. The light emitter emits modulated infrared light which is received by the light receiver to form a grating protection net.
9. The automatic tightening machine for a connecting bolt between a steering knuckle and a hub according to claim 1, wherein the upper end of the equipment base is provided with a start button and a stud box.
10. The automatic tightening machine for a connecting bolt between a steering knuckle and a hub according to claim 1, wherein button boxes are respectively provided on both sides of the equipment protective bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911337616.7A CN110842534A (en) | 2019-12-23 | 2019-12-23 | Automatic tightening machine for connecting bolt of steering knuckle and hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911337616.7A CN110842534A (en) | 2019-12-23 | 2019-12-23 | Automatic tightening machine for connecting bolt of steering knuckle and hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110842534A true CN110842534A (en) | 2020-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911337616.7A Pending CN110842534A (en) | 2019-12-23 | 2019-12-23 | Automatic tightening machine for connecting bolt of steering knuckle and hub |
Country Status (1)
| Country | Link |
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| CN (1) | CN110842534A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609966A (en) * | 2020-06-03 | 2020-09-01 | 奇瑞汽车股份有限公司 | Tire bolt tightening machine calibration auxiliary device |
| CN111644835A (en) * | 2020-06-06 | 2020-09-11 | 深圳市初心自动化设备有限公司 | Pressure equipment of transducer |
| CN115533497A (en) * | 2022-10-21 | 2022-12-30 | 重庆海通机械制造有限公司 | Flywheel nail screwing machine |
-
2019
- 2019-12-23 CN CN201911337616.7A patent/CN110842534A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609966A (en) * | 2020-06-03 | 2020-09-01 | 奇瑞汽车股份有限公司 | Tire bolt tightening machine calibration auxiliary device |
| CN111609966B (en) * | 2020-06-03 | 2021-07-30 | 奇瑞汽车股份有限公司 | Tire bolt tightening machine calibration auxiliary device |
| CN111644835A (en) * | 2020-06-06 | 2020-09-11 | 深圳市初心自动化设备有限公司 | Pressure equipment of transducer |
| CN115533497A (en) * | 2022-10-21 | 2022-12-30 | 重庆海通机械制造有限公司 | Flywheel nail screwing machine |
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