A knuckle non-standard aperture measuring and press-fitting integrated machine

Abstract

The application discloses a knuckle non-standard aperture measuring and press-fitting integrated machine, which comprises a workbench, a knuckle moving mechanism, a knuckle non-standard aperture measuring mechanism, a knuckle and ball joint press-fitting mechanism and a control device, wherein the knuckle moving mechanism, the knuckle non-standard aperture measuring mechanism and the knuckle and ball joint press-fitting mechanism are arranged on the workbench and electrically connected with the control device, and the control device is provided with an aperture qualification comparison judgment module and a pressure curve qualification comparison judgment module. The knuckle non-standard aperture measuring and press-fitting integrated machine can realize full automation of aperture measurement of knuckle mounting holes and press-fitting of knuckles and ball joints, does not need manual intervention in the middle, has high automation degree and low product rejection rate.

Description

Technical Field

[0001] This invention relates to the field of mechanical equipment technology, specifically to an integrated machine for measuring and pressing non-standard bore diameters of steering knuckles. Background Technology

[0002] Before pressing the steering knuckle and ball joint into a steering knuckle assembly, the diameter of the steering knuckle mounting hole needs to be measured to ensure that the ball joint can be pressed into the steering knuckle mounting hole. Currently, both the steering knuckle hole measurement and the pressing of the steering knuckle and ball joint need to be done manually, which is inefficient and results in a high product scrap rate. Summary of the Invention

[0003] To solve the above problems, the present invention provides an integrated machine for measuring and pressing non-standard bore diameters of steering knuckles, comprising:

[0004] Workbench;

[0005] A steering knuckle moving mechanism, mounted on and slidably connected to a worktable, includes a lateral sliding assembly, a longitudinal sliding assembly, a first lifting sliding assembly, and a steering knuckle clamping assembly. The lateral sliding assembly is mounted on the worktable along the X-axis; the longitudinal sliding assembly is perpendicularly mounted on the lateral sliding assembly along the Y-axis; the first lifting sliding assembly is perpendicularly mounted on the longitudinal sliding assembly along the Z-axis. The first lifting sliding assembly includes a third base, a third drive member, a third linear guide rail, and a first lifting slide plate. The third base is fixed to the longitudinal sliding assembly, the third linear guide rail is fixed to the third base, and the first lifting slide plate is mounted on the third linear guide rail. The first lifting slide plate is slidably connected to the third linear guide rail via a slider. A third drive member is fixedly connected to the bottom of the first lifting slide plate, driving the first lifting slide plate to reciprocate linearly along the third linear guide rail. A fourth drive member is also fixedly connected to the third base, with its driving end perpendicular to the third base and along the Z-axis. The first lifting slide plate is provided with a fifth driving component, a limiting seat, and an H-support seat in sequence from bottom to top. The fixed end of the fifth driving component is fixedly connected to the first lifting slide plate, and the driving end of the fifth driving component is fixedly connected to the bottom of the limiting seat. A pad with an inclined surface is provided above the H-support seat. The pad is movably connected to the H-support seat through a movable shaft. The lower surface of the H-support seat is inclined and forms an inclined groove with an inclination angle of 7 to 15° together with the limiting seat. An inclined angle plate is installed in the inclined groove. Gradient support plates and alignment grooves are provided on both sides of the back of the inclined angle plate. The alignment groove is used to receive the driving end of the fourth driving component. The steering knuckle clamping assembly is provided on the first lifting sliding assembly along the X-axis. The steering knuckle clamping assembly includes a clamp fixing seat and a sixth driving component. The clamp fixing seat is fixedly connected to the front of the inclined angle plate, and the sixth driving component is fixedly connected to the back of the inclined angle plate. A pneumatic clamp is sleeved inside the clamp fixing seat and is connected to the driving end of the sixth driving component.

[0006] The non-standard bore diameter measuring mechanism for the steering knuckle is located on the workbench, above the steering knuckle moving mechanism along the Z-axis. The non-standard bore diameter measuring mechanism for the steering knuckle includes a second lifting and sliding assembly and a measuring assembly. The measuring assembly is located on the second lifting and sliding assembly and includes a measuring rod and a measuring head. The rear end of the measuring rod is fixedly connected to the second lifting and sliding assembly, and the front end of the measuring rod is fixedly connected to the measuring head. Displacement sensors are distributed circumferentially on the measuring head.

[0007] The steering knuckle and ball joint pressing mechanism is fixed on the worktable and located to the left of the steering knuckle moving mechanism along the X-axis. It is fixedly connected to the non-standard bore diameter measuring mechanism of the steering knuckle above it. The steering knuckle and ball joint pressing mechanism includes a column, a fifth base, a third lifting and sliding assembly, and a pressing assembly. The column is fixed on the worktable, the fifth base is mounted below the column, and a positioning ring is fixed on the fifth base for placing the ball joint. The third lifting and sliding assembly is fixed on the column, and the pressing assembly is mounted on the third lifting and sliding assembly. The pressing assembly is slidably connected to the third lifting and sliding assembly through a slider. The pressing assembly includes a mounting base, a pressing head, a pressing rod, and an eighth driving component. The mounting base is fixed on the third lifting and sliding assembly, the pressing head is fixed on the mounting base, the top of the pressing head is fixedly connected to the pressing rod, the top of the pressing rod is fixedly connected to the driving end of the eighth driving component, the eighth driving component is fixed on the top of the column, and a pressure sensor is provided on the bottom surface of the pressing head.

[0008] The control device is electrically connected to the steering knuckle moving mechanism, the steering knuckle non-standard bore diameter measuring mechanism, and the steering knuckle and ball joint pressing mechanism. The control device is equipped with a bore diameter qualified comparison judgment module and a pressure curve qualified comparison judgment module.

[0009] Furthermore, the lateral sliding assembly includes a first base, a first drive member, a first linear guide rail, and a lateral sliding plate. The first base is fixed on the worktable, the first linear guide rail is fixed on the first base, the lateral sliding plate is disposed on the first linear guide rail, and the lateral sliding plate is slidably connected to the first linear guide rail via a slider. The first drive member is fixedly connected to the bottom of the lateral sliding plate, and the first drive member drives the lateral sliding plate to move back and forth linearly along the first linear guide rail.

[0010] Furthermore, the longitudinal sliding assembly includes a second base, a second drive member, a second linear guide rail, and a longitudinal sliding plate. The second base is fixed on the transverse sliding plate, the second linear guide rail is fixed on the second base, the longitudinal sliding plate is disposed on the second linear guide rail, and the longitudinal sliding plate is slidably connected to the second linear guide rail via a slider. The second drive member is fixedly connected to the bottom of the longitudinal sliding plate, and the second drive member drives the longitudinal sliding plate to move back and forth linearly along the second linear guide rail.

[0011] Furthermore, the back of the tilt angle plate is provided with a sloping fixing block at the alignment groove. The sloping fixing block is provided with an alignment hole, which corresponds to the alignment groove. The driving end of the fourth driving member can pass through the alignment hole and be inserted into the alignment groove to press the tilt angle plate tightly, thereby preventing the tilt angle plate from shaking in the X-axis direction.

[0012] Furthermore, the clamp mounting base is equipped with a foolproof block around its perimeter, which can prevent incorrect positioning of the steering knuckle.

[0013] Furthermore, at least two product positioning pins are fixedly connected to the front of the tilting angle plate along the X-axis. The product positioning pins are located between the anti-fool block and the limit seat, and the two product positioning pins are set at the same horizontal line along the Y-axis.

[0014] Furthermore, the second lifting and sliding assembly includes a fourth base, a seventh drive member, a fourth linear guide rail, and a second lifting slide plate. The fourth linear guide rail is fixed on the fourth base, and the second lifting slide plate is disposed on the fourth linear guide rail. The second lifting slide plate is slidably connected to the fourth linear guide rail via a slider. The second lifting slide plate is fixedly connected to the drive end of the seventh drive member, and the seventh drive member is fixed on the top of the fourth base.

[0015] Furthermore, a limit stop is fixedly connected to the bottom of the fourth base.

[0016] Furthermore, the third lifting and sliding assembly includes a sixth base, a fifth linear guide rail, and a third lifting slide plate. The sixth base is fixed on the column, the fifth linear guide rail is fixed on the sixth base, and the third lifting slide plate is disposed on the fifth linear guide rail. The third lifting slide plate is slidably connected to the fifth linear guide rail via a slider.

[0017] Furthermore, the pressure head is a hollow cylinder, with the hollow part used to accommodate the upward protrusion of the ball joint, and the inner diameter of the circular bottom surface of the pressure head is larger than the diameter of the steering knuckle mounting hole.

[0018] The beneficial effects are as follows: This application can realize the full automation of the two processes of measuring the diameter of the steering knuckle mounting hole and pressing the steering knuckle and ball joint together, without the need for manual intervention. It has a high degree of automation and a low product scrap rate.

[0019] The high degree of automation is reflected in the fact that no manual intervention is required throughout the entire process, as follows: First, a robotic arm places the steering knuckle onto the positioning ring; second, the robotic arm places the steering knuckle into the fixture fixing seat, and then the sixth drive component drives the pneumatic fixture to clamp the steering knuckle; then, driven by the steering knuckle moving mechanism, it moves to the measurement station, where the non-standard hole diameter measuring mechanism measures the inner diameter of the steering knuckle mounting hole. The measured and calculated hole diameter is compared with the standard hole diameter stored in the control device to determine whether it is qualified. If it is found to be unqualified, the robotic arm removes the steering knuckle from the steering knuckle moving mechanism and places it into the waste chute, without further processing. In the pressing stage, if the result is satisfactory, the steering knuckle moving mechanism continues to move the steering knuckle to the pressing station until the mounting hole of the steering knuckle is aligned with the ball joint. In the third step, the steering knuckle and ball joint pressing mechanism moves downward to press the steering knuckle and ball joint. During the pressing process, the pressure curve measured by the pressure sensor is compared with the standard pressure curve stored in memory to determine whether it is satisfactory. If it is unsatisfactory, the control device immediately controls the steering knuckle and ball joint pressing mechanism to stop. Then, the robot arm removes the steering knuckle and ball joint together and puts them into the waste material channel. If the result is satisfactory, the steering knuckle assembly is obtained. The robot arm removes the steering knuckle assembly and puts it into the finished product material channel.

[0020] The low product scrap rate is mainly because the diameter measurement of the steering knuckle mounting hole before pressing ensures that the steering knuckle mounting hole can be pressed onto the ball joint. In addition, the ingenious design of the steering knuckle moving mechanism can maintain a certain amount of movement space for the steering knuckle, and can avoid deformation of the steering knuckle due to slight deviations in angle or position during pressing.

[0021] The steering knuckle moving mechanism is designed with the consideration that when measuring the diameter of the steering knuckle mounting hole, the top of the mounting hole needs to be kept horizontal and locked to ensure consistent measurement results. To keep the steering knuckle horizontal, this application designs the tilt angle plate in an inclined shape based on the overall shape of the steering knuckle. If the top of the steering knuckle is tilted after being clamped by the steering knuckle clamping assembly, the diameter value obtained by the measuring head inserted into the steering knuckle mounting hole is prone to deviation, resulting in inaccurate measurement results. To lock the steering knuckle, this application has the tilt angle plate inserted into the inclined groove, and then the driving ends of the fourth and fifth driving members extend from two directions to press and lock the tilt angle plate. Since the steering knuckle clamping assembly is fixed on the tilt angle plate, when the steering knuckle is fixed on the tilt angle plate... The steering knuckle clamping assembly is also in a locked state after clamping; during the process of pressing the steering knuckle into the ball joint, the steering knuckle needs to maintain a certain amount of movement space to ensure that even if there is a slight angular or positional deviation, the steering knuckle will not be deformed by the pressure during pressing. Therefore, when the steering knuckle is clamped by the steering knuckle clamping assembly fixed on the inclined angle plate, this whole module needs to maintain a certain amount of movement space. Thus, in the design, this application fixes an H support seat on the lifting slide plate, and a pad with an inclined surface is provided above the H support seat. The pad is movably connected to the H support seat through a movable shaft. The lower surface of the H support seat is inclined and forms an inclined groove together with the limiting seat. An inclined angle plate is inserted in the inclined groove. In this way, when the driving ends of the fourth and fifth driving components are in the retracted state, the inclined angle plate can move slightly in the inclined groove. Attached Figure Description

[0022] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0023] Figure 1 This is a schematic diagram of the overall structure of this application;

[0024] Figure 2 This is a schematic diagram of the steering knuckle moving mechanism of this application;

[0025] Figure 3 This is a schematic diagram of part of the steering knuckle moving mechanism;

[0026] Figure 4 This is a schematic diagram of the steering knuckle clamping assembly structure;

[0027] Figure 5 This is a schematic diagram of the non-standard bore diameter measuring mechanism for steering knuckles;

[0028] Figure 6 This is a schematic diagram of the press-fitting mechanism for the steering knuckle and ball joint.

[0029] In the picture:

[0030] 1. Steering knuckle moving mechanism;

[0031] 11. Lateral sliding assembly; 111. First base; 112. First drive component; 113. First linear guide rail; 114. Lateral sliding plate;

[0032] 12. Longitudinal sliding assembly; 121. Second base; 122. Second drive component; 123. Second linear guide rail; 124. Longitudinal sliding plate;

[0033] 13. First lifting and sliding assembly; 131. Third base; 1311. First buffer; 1312. Fourth drive component; 1313. Proximity switch; 132. Third drive component; 133. Third linear guide rail; 134. First lifting slide plate; 1341. Fifth drive component; 1342. Limit seat; 1343. H-support seat; 1344. Pad; 1345. Movable shaft; 135. Inclined angle plate; 1351. Product positioning pin; 1352. Gradient support plate; 1353. Inclined fixing block;

[0034] 14. Steering knuckle clamping assembly; 141. Clamping base; 142. Sixth drive component; 143. Anti-fooling block; 144. Pneumatic clamp;

[0035] 15. Steering knuckle;

[0036] 2. Steering knuckle non-standard bore diameter measuring mechanism;

[0037] 21. Second lifting and sliding assembly; 211. Fourth base; 2111. Limiting and thrusting component; 212. Seventh driving component; 213. Fourth linear guide rail; 214. Second lifting slide plate;

[0038] 22. Measuring assembly; 221. Measuring rod; 2211. Flange; 222. Measuring head;

[0039] 3. Steering knuckle and ball joint press-fitting mechanism;

[0040] 31. Column;

[0041] 32. Fifth base; 321. Ball joint;

[0042] 33. Third lifting and sliding assembly; 331. Sixth base; 3311. Second buffer; 332. Fifth linear guide rail; 333. Third lifting slide plate;

[0043] 34. Press-fit assembly; 341. Mounting base; 342. Press head; 343. Press rod; 344. Eighth drive component. Detailed Implementation

[0044] The following drawings disclose several embodiments of the present invention. For clarity, many practical details will be described in the following description. However, it should be understood that these practical details are not intended to limit the invention. That is, in some embodiments of the invention, these practical details are not essential. Furthermore, for the sake of simplicity, some conventional structures and components will be shown in the drawings in a simple schematic manner.

[0045] It should be noted that all directional indications in the embodiments of the present invention, such as up, down, left, right, front, back, etc., are only used to explain the relative positional relationship and movement of the components in a specific posture as shown in the attached figure. If the specific posture changes, the directional indication will also change accordingly.

[0046] Furthermore, in this invention, the use of terms such as "first" and "second" is for descriptive purposes only and does not specifically refer to any order or sequence, nor is it intended to limit the invention. They are merely used to distinguish components or operations described using the same technical terms, and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of various embodiments can be combined with each other, but only if they are feasible for those skilled in the art. If a combination of technical solutions is contradictory or impossible to implement, such a combination should be considered nonexistent and not within the scope of protection claimed by this invention.

[0047] Example

[0048] Please see Figure 1 , Figure 1 This is a schematic diagram of the overall structure of this application. To automate the measurement of the steering knuckle mounting hole diameter and the pressing of the steering knuckle and ball joint, thereby improving work efficiency and reducing product scrap rate, this embodiment provides an integrated machine for measuring and pressing non-standard steering knuckle holes. The machine includes a worktable, a steering knuckle moving mechanism 1, a steering knuckle non-standard hole diameter measuring mechanism 2, a steering knuckle and ball joint pressing mechanism 3, and a control device. The steering knuckle moving mechanism 1, the steering knuckle non-standard hole diameter measuring mechanism 2, and the steering knuckle and ball joint pressing mechanism 3 are all mounted on the worktable and electrically connected to the control device. The control device includes a hole diameter qualification comparison judgment module and a pressure curve qualification comparison judgment module. The steering knuckle moving mechanism 1 is slidably connected to the worktable. The ball joint pressing mechanism 3 is located to the left of the steering knuckle moving mechanism 1 along the X-axis and its bottom is fixedly connected to the worktable. The ball joint pressing mechanism 3 is fixedly connected to the steering knuckle non-standard hole diameter measuring mechanism 2 at its top.

[0049] Please see Figure 2 , Figure 2This is a schematic diagram of the steering knuckle moving mechanism of this application. The steering knuckle moving mechanism 1 includes a lateral sliding assembly 11, a longitudinal sliding assembly 12, a first lifting sliding assembly 13, and a steering knuckle clamping assembly 14. The lateral sliding assembly 11 is disposed on the worktable along the X-axis; the longitudinal sliding assembly 12 is disposed perpendicularly to the lateral sliding assembly 11 along the Y-axis; the first lifting sliding assembly 13 is disposed perpendicularly to the longitudinal sliding assembly 12 along the Z-axis; and the steering knuckle clamping assembly 14 is disposed on the first lifting sliding assembly 13 along the X-axis.

[0050] The lateral sliding assembly 11 includes a first base 111, a first drive member 112, a first linear guide rail 113, and a lateral slide plate 114. The first base 111 is fixed on the workbench, the first linear guide rail 113 is fixed on the first base 111, and the lateral slide plate 114 is disposed on the first linear guide rail 113. The lateral slide plate 114 is slidably connected to the first linear guide rail 113 through a slider. The first drive member 112 is fixedly connected to the bottom of the lateral slide plate 114, and the first drive member 112 drives the lateral slide plate 114 to move back and forth in a straight line along the first linear guide rail 113.

[0051] The longitudinal sliding assembly 12 includes a second base 121, a second drive member 122, a second linear guide rail 123, and a longitudinal slide plate 124. The second base 121 is fixed on the transverse slide plate 114, the second linear guide rail 123 is fixed on the second base 121, and the longitudinal slide plate 124 is disposed on the second linear guide rail 123. The longitudinal slide plate 124 is slidably connected to the second linear guide rail 123 through a slider. The second drive member 122 is fixedly connected to the bottom of the longitudinal slide plate 124, and the second drive member 122 drives the longitudinal slide plate 124 to move back and forth linearly along the second linear guide rail 123.

[0052] Please see Figure 3 , Figure 3This is a schematic diagram of the steering knuckle moving mechanism. The first lifting and sliding assembly 13 includes a third base 131, a third drive member 132, a third linear guide rail 133, and a first lifting slide plate 134. The third base 131 is fixed to the longitudinal slide plate 124, the third linear guide rail 133 is fixed to the third base 131, and the first lifting slide plate 134 is disposed on the third linear guide rail 133. The first lifting slide plate 134 is slidably connected to the third linear guide rail 133 via a slider. The third drive member 132 is fixedly connected to the bottom of the first lifting slide plate 134, and the third drive member 132 drives the first lifting slide plate 134 to reciprocate linearly along the third linear guide rail 133. A fourth drive member 1312 is also fixedly connected to the third base 131. The drive end 1312 is perpendicular to the third base 131. Along the Z-axis direction, the first lifting slide plate 134 is sequentially provided with a fifth drive component 1341, a limiting seat 1342, and an H-support seat 1343 from bottom to top. The fixed end of the fifth drive component 1341 is fixedly connected to the first lifting slide plate 134, and the drive end of the fifth drive component 1341 is fixedly connected to the bottom of the limiting seat 1342. A sloping pad 1344 is provided above the H-support seat 1343. The pad 1344 is movably connected to the H-support seat 1343 via a movable shaft 1345. The lower surface of the H-support seat 1343 is sloping and, together with the limiting seat 1342, forms an sloping groove with an angle of 7–15°. The sloping groove contains… The device includes a tilt angle plate 135. At least two product positioning pins 1351 are fixedly connected to the front of the tilt angle plate 135 along the X-axis. These product positioning pins 1351 are located between the anti-fool block 143 and the limit seat 1342, and are arranged horizontally along the Y-axis. The product positioning pins 1351 can be used to position the steering knuckle 15. Gradient support plates 1352 are also provided on both sides of the back of the tilt angle plate 135. This ensures that when the bottom of the tilt angle plate 135 is engaged with the tilted groove, the tilt angle plate 135 is fixed to the first lifting slide plate 134 at an tilt angle of 7–15°. The tilt angle of the tilt angle plate 135 can be determined based on… The steering knuckle 15 model is adjusted, with a preferred tilt angle of 10.78°. The back of the tilt angle plate 135 is also provided with an alignment groove for receiving the extended drive end of the fourth drive member 1312. Preferably, the back of the tilt angle plate 135 is also provided with a sloping fixing block 1353 at the alignment groove. The sloping fixing block 1353 is provided with an alignment hole, which corresponds to the position of the alignment groove. The drive end of the fourth drive member 1312 can pass through the alignment hole and be inserted into the alignment groove to press against the tilt angle plate 135, thereby preventing the tilt angle plate 135 from shaking in the X-axis direction. The addition of the sloping fixing block 1353 at the alignment groove can improve the stability of the extended drive end of the fourth drive member 1312.

[0053] Please see Figure 4 , Figure 4This is a schematic diagram of the steering knuckle clamping assembly. The steering knuckle clamping assembly 14 includes a clamp fixing seat 141 and a sixth drive member 142. The clamp fixing seat 141 is fixedly connected to the front of the tilt angle plate 135, and the sixth drive member 142 is fixedly connected to the back of the tilt angle plate 135. A pneumatic clamp 144 is fitted inside the clamp fixing seat 141, and the pneumatic clamp 144 is connected to the drive end of the sixth drive member 142. A foolproof block 143 is fitted around the clamp fixing seat 141, and the bottom of the foolproof block 143 is fixedly connected to the front of the tilt angle plate 135. The foolproof block 143 can prevent incorrect positioning of the steering knuckle when it is placed.

[0054] See also Figure 2 A first buffer 1311 is also fixedly connected to the third base 131. The first buffer 1311 is located below the first lifting slide plate 134. The first buffer 1311 includes a buffer block and a shock-absorbing pad. The shock-absorbing pad is located above the buffer block and fixedly connected to the buffer block along the Z-axis. The buffer block is fixed to the third base 131. When the first lifting slide plate 134 suddenly stops, the first buffer 1311 can reduce the vibration of the first lifting slide plate 134 and maintain the stability of the steering knuckle clamping assembly 14. A proximity switch 1313 is also provided around the third base 131 to detect the position status of the steering knuckle clamping assembly 14. In this application, the first drive component 112, the second drive component 122, and the third drive component 132 can be servo motors; the fourth drive component 1312, the fifth drive component 1341, and the sixth drive component 142 can be cylinders.

[0055] like Figure 2 As shown, for ease of understanding of this embodiment, a direction axis is established, with PA as the X-axis, PB as the Y-axis, and PC as the Z-axis. The X-axis, Y-axis, and Z-axis are perpendicular to each other. The X-axis and Y-axis are parallel to the upper surface of the transverse slide plate 114, and the third direction is perpendicular to the upper surface of the transverse slide plate 114.

[0056] When the steering knuckle moving mechanism 1 is working, the robotic arm places the steering knuckle 15 onto the clamp fixing seat 141, and then the sixth driving member 142 drives the pneumatic clamp 144 to clamp the steering knuckle 15. The steering knuckle 15 is then moved to the measuring station by the lateral sliding assembly 11, the longitudinal sliding assembly 12, and the first lifting sliding assembly 13 to measure the non-standard diameter of the steering knuckle 15 mounting hole. When measuring the diameter of the steering knuckle 15 mounting hole, the top of the mounting hole needs to be horizontal and locked to ensure consistency in each measurement. To keep the top of the steering knuckle 15 mounting hole horizontal, this application uses an inclined angle plate 1 based on the overall shape of the steering knuckle 15. The steering knuckle 15 is designed to be inclined. If the top of the steering knuckle 15 is inclined after being clamped by the steering knuckle clamping assembly 14, the diameter value obtained by the measuring head 222 when it is inserted into the mounting hole of the steering knuckle 15 is prone to deviation, resulting in inaccurate measurement results. In order to keep the steering knuckle 15 in a locked state, this application has a tilt angle plate 135 inserted into the tilted groove, and then the driving ends of the fourth driving member 1312 and the fifth driving member 1341 extend from two directions to press against and lock the tilt angle plate 135. Since the steering knuckle clamping assembly 14 is fixed on the tilt angle plate 135, the steering knuckle 15 is also in a locked state when it is clamped by the steering knuckle clamping assembly 14. After the non-standard hole diameter measurement is completed, if the hole diameter of the steering knuckle 15 meets the requirements, the lateral sliding assembly 11, longitudinal sliding assembly 12, and first lifting sliding assembly 13 continue to move to the pressing station to press the steering knuckle 15 onto the ball joint 321. During the pressing process of the steering knuckle 15 onto the ball joint, the steering knuckle 15 needs to maintain a certain amount of movement space to ensure that even if there are slight angular or positional deviations, the steering knuckle 15 will not be deformed due to pressure during pressing. Therefore, after the steering knuckle 15 is clamped by the steering knuckle clamping assembly 14 fixed on the tilt angle plate 135, this whole module needs to maintain a certain amount of movement space. Therefore, in the design of this application, the first lifting sliding plate 13... An H-support base 1343 is fixed on the 4th floor. A sloping pad 1344 is provided above the H-support base 1343. The pad 1344 is movably connected to the H-support base 1343 via a movable shaft 1345. The lower surface of the H-support base 1343 is sloping and forms an sloping groove together with the limiting seat 1342. An inclined angle plate 135 is fitted into the sloping groove. Thus, when the driving ends of the fourth driving member 1312 and the fifth driving member 1341 are in the retracted state, the inclined angle plate 135 can move slightly in the sloping groove. In summary, this application can simultaneously meet the technical requirements of automatically measuring the diameter of the steering knuckle 15 and automatically pressing the steering knuckle 15 and the ball joint 321.

[0057] Please see Figure 5 , Figure 5This is a schematic diagram of the non-standard bore diameter measuring mechanism for steering knuckles. The non-standard bore diameter measuring mechanism 2 for steering knuckles includes a second lifting and sliding assembly 21 and a measuring assembly 22. The measuring assembly 22 is mounted on the second lifting and sliding assembly 21. The second lifting and sliding assembly 21 includes a fourth base 211, a seventh drive member 212, a fourth linear guide rail 213, and a second lifting slide plate 214. The fourth linear guide rail 213 is fixed on the fourth base 211, and the second lifting slide plate 214 is mounted on the fourth linear guide rail 213. The second lifting slide plate 214 is slidably connected to the fourth linear guide rail 213 via a slider. The second lifting slide plate 214 is fixedly connected to the driving end of the seventh drive member 212, which is fixed to the top of the fourth base 211. The seventh drive member 212 can be a cylinder. The measuring assembly 22 includes a measuring rod 221 and a measuring head 222. The rear end of the measuring rod 221 is fixedly connected to the second lifting slide plate 214, and the front end of the measuring rod 221 is fixedly connected to the measuring head 222. Displacement sensors are distributed circumferentially on the measuring head 222. The measuring rod 221 is also provided with a flange 2211 to ensure that the measuring head 222 is inserted into the mounting hole of the steering knuckle 15 at the same height each time. The bottom of the fourth base 211 is also fixedly connected with a limit stop 2111 to prevent the second lifting slide plate 214 from sliding down excessively and dislodging from the fourth base 211, which would damage the measuring head 222.

[0058] This non-standard steering knuckle bore diameter measuring mechanism is highly automated and has high measurement accuracy. During operation, the seventh drive component 212 drives the second lifting slide plate 214 to move downward with the measuring component 22. As the measuring head 222 extends into the mounting hole of the steering knuckle 15, until the bottom of the flange 2211 on the measuring rod 221 abuts against the top of the mounting hole of the steering knuckle 15, the seventh drive component 212 stops driving the second lifting slide plate 214 to continue moving downward. The displacement sensors distributed circumferentially by the measuring head 222 measure the bore diameter of the mounting hole of the steering knuckle 15.

[0059] Please see Figure 6 , Figure 6 This is a schematic diagram of the steering knuckle and ball joint pressing mechanism. The steering knuckle and ball joint pressing mechanism 3 includes a column 31, a fifth base 32, a third lifting and sliding assembly 33, and a pressing assembly 34. The column 31 is fixed on the worktable in a "[" shape. The fifth base 32 is mounted below the column 31 and has a positioning ring fixed on it. The positioning ring is used to place the ball joint 321. The third lifting and sliding assembly 33 is fixed on the column 31. The pressing assembly 34 is mounted on the third lifting and sliding assembly 33 and is slidably connected to the third lifting and sliding assembly 33 through a slider.

[0060] The third lifting and sliding assembly 33 includes a sixth base 331, a fifth linear guide rail 332, and a third lifting slide plate 333. The sixth base 331 is fixed on the column 31, the fifth linear guide rail 332 is fixed on the sixth base 331, and the third lifting slide plate 333 is disposed on the fifth linear guide rail 332. The third lifting slide plate 333 is slidably connected to the fifth linear guide rail 332 through a slider.

[0061] The pressing assembly 34 includes a mounting base 341, a pressing head 342, a pressing rod 343, and an eighth driving component 344. The mounting base 341 is fixed on the third lifting and sliding assembly 33, the pressing head 342 is fixed on the mounting base 341, the top of the pressing head 342 is fixedly connected to the pressing rod 343, the top of the pressing rod 343 is fixedly connected to the driving end of the eighth driving component 344, the eighth driving component 344 can be a servo motor, the eighth driving component 344 is fixed on the top of the column 31, and a pressure sensor is provided on the bottom surface of the pressing head 342.

[0062] The pressure head 342 is a hollow cylinder. The hollow part is used to accommodate the upward protrusion of the ball joint 321. The inner diameter of the circular bottom surface of the pressure head 342 is larger than the diameter of the mounting hole of the steering knuckle 15. The pressure head 342 presses against the end face of the mounting hole of the steering knuckle 15, pushes the steering knuckle 15 down and presses it into the ball joint 321.

[0063] A second buffer 3311 is also fixedly connected to the sixth base 331. The second buffer 3311 is located below the third lifting slide plate 333. The structure of the second buffer 3311 is the same as that of the first buffer 1311, and will not be described in detail. When the third lifting slide plate 333 suddenly stops, the second buffer 3311 can reduce the vibration of the third lifting slide plate 333 and maintain the stability of the pressing assembly 34.

[0064] During operation, the eighth drive component 344 drives the pressure head 342 to move downward along the fifth linear guide rail 332 until the bottom surface of the pressure head 342 abuts against the top surface of the mounting hole of the steering knuckle 15. Under the continued pushing of the pressure head 342, the mounting hole of the steering knuckle 15 and the ball joint 321 are pressed together to form the steering knuckle assembly.

[0065] This application can fully automate the two processes of measuring the diameter of the mounting hole of the steering knuckle 15 and pressing the steering knuckle 15 and the ball joint 321 together, without the need for manual intervention. It has a high degree of automation and a low product scrap rate.

[0066] The high degree of automation is reflected in the fact that no manual intervention is required throughout the entire work process, as follows: First, the robotic arm places the ball joint 321 onto the positioning ring; second, the robotic arm places the steering knuckle 15 onto the clamp fixing seat 141, and then the sixth drive member 142 drives the pneumatic clamp 144 to clamp the steering knuckle 15. Next, the drive ends of the fourth drive member 1312 and the fifth drive member 1341 press against and lock the tilt angle plate 135; then, driven by the steering knuckle moving mechanism 1, it moves to the measurement station, where the non-standard hole diameter measuring mechanism 2 measures the inner diameter of the mounting hole of the steering knuckle 15. The measured and calculated hole diameter is compared with the standard hole diameter stored in the control device to determine whether it is qualified. If it is found to be unqualified, the robotic arm removes the steering knuckle 15 from the steering knuckle moving mechanism 1. The steering knuckle 15 enters the waste material channel and does not proceed to the pressing stage. If it passes the test, the driving ends of the fourth driving component 1312 and the fifth driving component 1341 retract, and the steering knuckle moving mechanism 1 continues to drive the steering knuckle 15 to the pressing station until the mounting hole of the steering knuckle 15 is aligned with the ball joint 321. In the third step, the steering knuckle and ball joint pressing mechanism 3 moves downward to press the steering knuckle 15 and ball joint 321. During the pressing process, the pressure curve measured by the pressure sensor is compared with the standard pressure curve stored in memory to determine whether it passes the test. If it fails the test, the control device immediately controls the steering knuckle and ball joint pressing mechanism 3 to stop. Then, the robot arm removes the steering knuckle 15 and ball joint 321 together and puts them into the waste material channel. If it passes the test, the steering knuckle assembly is obtained, and the robot arm removes the steering knuckle assembly and puts it into the finished product material channel.

[0067] The low product scrap rate is mainly because the diameter measurement of the mounting hole of the steering knuckle 15 before pressing it in ensures that the mounting hole of the steering knuckle 15 can be pressed into the ball joint 321. In addition, the ingenious design of the steering knuckle moving mechanism 1 can maintain a certain amount of movement space for the steering knuckle 15, and can avoid deformation of the steering knuckle 15 due to small deviations in angle or position during pressing.

[0068] The above are merely embodiments of the present invention and are not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of the present invention should be included within the scope of the claims of the present invention.

Claims

1. A machine for measuring and pressing non-standard bore diameters of steering knuckles, characterized in that, include: Workbench; A steering knuckle moving mechanism (1) is mounted on the worktable and slidably connected to the worktable. It includes a lateral sliding assembly (11), a longitudinal sliding assembly (12), a first lifting sliding assembly (13), and a steering knuckle clamping assembly (14). The lateral sliding assembly (11) is mounted on the worktable along the X-axis; the longitudinal sliding assembly (12) is perpendicularly mounted on the lateral sliding assembly (11) along the Y-axis; and the first lifting sliding assembly (13) is perpendicularly mounted on the longitudinal sliding assembly (12) along the Z-axis. The first lifting sliding assembly (13) includes a third base (131) and a third driving member (132). The system comprises a third linear guide rail (133) and a first lifting slide plate (134). The third base (131) is fixed on the longitudinal sliding assembly (12), and the third linear guide rail (133) is fixed on the third base (131). The first lifting slide plate (134) is disposed on the third linear guide rail (133) and is slidably connected to the third linear guide rail (133) via a slider. A third driving member (132) is fixedly connected to the bottom of the first lifting slide plate (134), and the third driving member (132) drives the first lifting slide plate (134) along the longitudinal sliding assembly (12). The third linear guide rail (133) moves back and forth in a straight line. A fourth driving member (1312) is also fixedly connected to the third base (131). The driving end of the fourth driving member (1312) is perpendicular to the third base (131). Along the Z-axis direction, the first lifting slide plate (134) is also provided with a fifth driving member (1341), a limiting seat (1342), and an H-support seat (1343) in sequence from bottom to top. The fixed end of the fifth driving member (1341) is fixedly connected to the first lifting slide plate (134), and the driving end of the fifth driving member (1341) is fixedly connected to the bottom of the limiting seat (1342). The H support base (1343) is provided with a inclined pad (1344) on its upper surface. The pad (1344) is movably connected to the H support base (1343) through a movable shaft (1345). The lower surface of the H support base (1343) is inclined and together with the limiting seat (1342) forms an inclined groove with an inclination angle of 7 to 15°. An inclined angle plate (135) is fitted in the inclined groove. Gradient support plates (1352) and alignment grooves are also provided on both sides of the back of the inclined angle plate (135). The alignment groove is used to receive the extended drive end of the fourth drive member (1312).The steering knuckle clamping assembly (14) is disposed on the first lifting sliding assembly (13) along the X-axis direction. The steering knuckle clamping assembly (14) includes a clamp fixing seat (141) and a sixth driving member (142). The clamp fixing seat (141) is fixedly connected to the front of the tilt angle plate (135), and the sixth driving member (142) is fixedly connected to the back of the tilt angle plate (135). A pneumatic clamp (144) is sleeved inside the clamp fixing seat (141), and the pneumatic clamp (144) is connected to the driving end of the sixth driving member (142). A non-standard bore diameter measuring mechanism (2) for steering knuckles is located on the workbench, above the steering knuckle moving mechanism (1) along the Z-axis. The non-standard bore diameter measuring mechanism (2) for steering knuckles includes a second lifting and sliding assembly (21) and a measuring assembly (22). The measuring assembly (22) is located on the second lifting and sliding assembly (21). The measuring assembly (22) includes a measuring rod (221) and a measuring head (222). The rear end of the measuring rod (221) is fixedly connected to the second lifting and sliding assembly (21), and the front end of the measuring rod (221) is fixedly connected to the measuring head (222). The measuring head (222) is circumferentially distributed with displacement sensors. The steering knuckle and ball joint pressing mechanism (3) is fixed on the workbench and located to the left of the steering knuckle moving mechanism (1) along the X-axis. It is fixedly connected above the steering knuckle non-standard bore diameter measuring mechanism (2). The steering knuckle and ball joint pressing mechanism (3) includes a column (31), a fifth base (32), a third lifting and sliding assembly (33), and a pressing assembly (34). The column (31) is fixed on the workbench. The fifth base (32) is mounted below the column (31). A positioning ring is fixed on the fifth base (32). The positioning ring is used to place the ball joint (321). The third lifting and sliding assembly (33) is fixed on the column (31). The pressing assembly (34) is located on the third lifting and sliding assembly. On the sliding assembly (33), the pressing assembly (34) is slidably connected to the third lifting sliding assembly (33) via a slider. The pressing assembly (34) includes a mounting base (341), a pressing head (342), a pressing rod (343), and an eighth driving member (344). The mounting base (341) is fixed on the third lifting sliding assembly (33), the pressing head (342) is fixed on the mounting base (341), the top of the pressing head (342) is fixedly connected to the pressing rod (343), the top of the pressing rod (343) is fixedly connected to the driving end of the eighth driving member (344), the eighth driving member (344) is fixed on the top of the column (31), and a pressure sensor is provided on the bottom surface of the pressing head (342). The control device is electrically connected to the steering knuckle moving mechanism (1), the steering knuckle non-standard bore diameter measuring mechanism (2), and the steering knuckle and ball joint pressing mechanism (3). The control device is equipped with a bore diameter qualified comparison judgment module and a pressure curve qualified comparison judgment module.

2. The integrated machine for measuring and pressing non-standard bore diameters of steering knuckles according to claim 1, characterized in that, The transverse sliding assembly (11) includes a first base (111), a first drive member (112), a first linear guide rail (113), and a transverse sliding plate (114). The first base (111) is fixed on the workbench, the first linear guide rail (113) is fixed on the first base (111), and the transverse sliding plate (114) is disposed on the first linear guide rail (113). The transverse sliding plate (114) is slidably connected to the first linear guide rail (113) through a slider. The first drive member (112) is fixedly connected to the bottom of the transverse sliding plate (114), and the first drive member (112) drives the transverse sliding plate (114) to move back and forth in a straight line along the first linear guide rail (113).

3. The integrated machine for measuring and pressing non-standard bore diameters of steering knuckles according to claim 2, characterized in that, The longitudinal sliding assembly (12) includes a second base (121), a second drive member (122), a second linear guide rail (123), and a longitudinal sliding plate (124). The second base (121) is fixed on the transverse sliding plate (114), the second linear guide rail (123) is fixed on the second base (121), and the longitudinal sliding plate (124) is disposed on the second linear guide rail (123). The longitudinal sliding plate (124) is slidably connected to the second linear guide rail (123) through a slider. The second drive member (122) is fixedly connected to the bottom of the longitudinal sliding plate (124), and the second drive member (122) drives the longitudinal sliding plate (124) to move back and forth in a straight line along the second linear guide rail (123).

4. The integrated machine for measuring and pressing non-standard bore diameters of steering knuckles according to claim 1, characterized in that, The inclined angle plate (135) is further provided with a sloping fixing block (1353) on the back of the alignment groove. The sloping fixing block (1353) is provided with an alignment hole, which corresponds to the alignment groove. The driving end of the fourth driving member (1312) can pass through the alignment hole and be inserted into the alignment groove to press against the inclined angle plate (135) to prevent the inclined angle plate (135) from shaking in the X-axis direction.

5. The integrated machine for measuring and pressing non-standard bore diameters of steering knuckles according to claim 1, characterized in that, The clamp fixing seat (141) is provided with a foolproof block (143) around its periphery, which can prevent the steering knuckle from being placed in the wrong position.

6. The integrated machine for measuring and pressing non-standard bore diameters of steering knuckles according to claim 5, characterized in that, At least two product positioning pins (1351) are fixedly connected to the front of the tilt angle plate (135) along the X-axis direction. The product positioning pins (1351) are located between the anti-fool block (143) and the limiting seat (1342), and the two product positioning pins (1351) are arranged on the same horizontal line along the Y-axis direction.

7. The integrated machine for measuring and pressing non-standard bore diameters of steering knuckles according to claim 1, characterized in that, The second lifting and sliding assembly (21) includes a fourth base (211), a seventh drive member (212), a fourth linear guide rail (213), and a second lifting slide plate (214). The fourth linear guide rail (213) is fixed on the fourth base (211), and the second lifting slide plate (214) is disposed on the fourth linear guide rail (213). The second lifting slide plate (214) is slidably connected to the fourth linear guide rail (213) through a slider. The second lifting slide plate (214) is fixedly connected to the driving end of the seventh drive member (212), and the seventh drive member (212) is fixed on the top of the fourth base (211).

8. The integrated machine for measuring and pressing non-standard bore diameters of steering knuckles according to claim 7, characterized in that, The bottom of the fourth base (211) is also fixedly connected to a limit stop (2111).

9. The integrated machine for measuring and pressing non-standard bore diameters of steering knuckles according to claim 1, characterized in that, The third lifting and sliding assembly (33) includes a sixth base (331), a fifth linear guide rail (332), and a third lifting slide plate (333). The sixth base (331) is fixed on the column (31), the fifth linear guide rail (332) is fixed on the sixth base (331), and the third lifting slide plate (333) is disposed on the fifth linear guide rail (332). The third lifting slide plate (333) is slidably connected to the fifth linear guide rail (332) through a slider.

10. The integrated machine for measuring and pressing non-standard bore diameters of steering knuckles according to claim 1, characterized in that, The pressure head (342) is a hollow cylinder, and the hollow part is used to accommodate the upward protrusion of the ball joint (321). The inner diameter of the circular bottom surface of the pressure head (342) is larger than the diameter of the mounting hole of the steering knuckle (15).

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