CN110587222B - Automobile thrust rod hot riveting positioning method and tool - Google Patents
Automobile thrust rod hot riveting positioning method and tool Download PDFInfo
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- CN110587222B CN110587222B CN201910845535.1A CN201910845535A CN110587222B CN 110587222 B CN110587222 B CN 110587222B CN 201910845535 A CN201910845535 A CN 201910845535A CN 110587222 B CN110587222 B CN 110587222B
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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
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
- B23P11/02—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
- B23P11/025—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits by using heat or cold
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Abstract
A method for positioning the thrust rod of car by hot riveting includes fixing a ball head of said thrust rod, pushing a heating sleeve to the fixed one by another, moving the fixed one in reverse direction to contact with a distance positioning module, driving the heating sleeve to deform, and pushing one out of said two ends of thrust rod to the position required by the designed length of thrust rod.
Description
Technical Field
The utility model relates to the field of vehicle accessory manufacturing, in particular to a hot riveting positioning method and tool for an automobile thrust rod.
Background
The automobile thrust rod is widely applied to double rear axle balanced suspensions, air suspension trucks and buses, and is used for keeping the relative positions between two axles and a frame, transmitting the longitudinal force and the transverse force of the automobile and transmitting the forces and the moments in other directions. One end of the automobile thrust rod is connected to the axle, and the other end of the automobile thrust rod is connected to the frame, so that vibration and impact caused by uneven road surfaces can be alleviated and restrained, and the comfort of passengers and the good transported goods can be guaranteed. The automobile thrust rod deforms under the action of various forces and moments to directly influence the performances of the automobile such as side-tipping steering, deformation steering and deformation camber, and directly influence the control stability of the automobile. In the assembling process of the thrust rod, the hot riveting technology is applied in large batch. One of the difficulties of hot riveting is that the strength after riveting cannot meet the design requirement, most riveting methods or tools in the prior art adopt simple heating and then sleeve a sleeve into a ball head and then fasten and rivet by using the principle of expansion with heat and contraction with cold, although the scheme can complete the riveting of the thrust rod, the contact area of the riveting section is usually small due to one-way one-time sleeve connection, so that the strength of the riveted thrust rod is not high, and the riveting section is easy to break or loosen; on the other hand, if the accurate positioning of the workpiece is lacked in the riveting process, the central distance between the ball heads at the two ends of the thrust rod cannot meet the related requirements; moreover, most hot riveting positioning tools have complex hot riveting adjustment process and poor adaptability to thrust rods with different lengths.
Through patent search, the same patent documents as the present invention are not found, and the following are related to the present invention:
1. the utility model discloses a novel hot riveting tool and a novel hot riveting method, which are invented with the patent number of CN201510743366 named as 'I-shaped automobile thrust rod body integral riveting tool and riveting method'. The tool comprises an upper mounting plate, a lower mounting plate, a floating plate, an upper hot riveting die and a lower hot riveting die, wherein the upper hot riveting die and the lower hot riveting die are respectively arranged on the upper mounting plate and the lower mounting plate; two sliding seat power cylinders are fixedly connected to the floating plate, the two ball head sliding seats can move close to or away from the floating plate relatively under the driving of the two sliding seat power cylinders, and the two ball head sliding seats can drive the two ball heads to be respectively sleeved on the two ends of the pipe body; the floating plate is also provided with a vertical power cylinder, the lower hot riveting die penetrates through the floating plate, the floating plate can move up and down in the vertical direction under the action of the vertical power cylinder, and the sliding seat power cylinder and the vertical power cylinder are hydraulic cylinders or air cylinders. This comparison file has used four power cylinders to fix a position for the bulb for two bulbs can accomplish hot riveting simultaneously, have improved production efficiency and size precision, still exist not enoughly: firstly, the structure is complex, the required one-time investment is high, and for the work of four power cylinders which are matched and positioned, other parts of the whole hot riveting tool are very complex, if 8 power cylinders are used, the one-time investment is high; secondly, the maintenance cost of the tool is high; the 8 power cylinders need to be maintained regularly, and particularly the 4 power cylinders for positioning the ball head are easy to damage due to the fact that the power cylinders are mainly subjected to transverse force; thirdly, the energy consumption is large. 8 power sources are high and energy consumption is required.
2. The patent number is "CN 201420559482", the utility model patent of the name "distance rod riveting tools", disclose a distance rod riveting tools, including lower connecting plate, the back locating plate of setting on lower connecting plate, the prepositioning board, still be equipped with the connecting pipe support on lower connecting plate, left lower bearing, right lower bearing and clamp plate, still be equipped with the upper junction plate, the bottom symmetry of upper junction plate is equipped with two riveting moulds, two riveting mould symmetries set up on a left side, between the right lower bearing, be equipped with riveting left mould and riveting right mould between two riveting moulds, riveting left mould and riveting right mould symmetry set up on a left side, the line both sides of right lower bearing, riveting left mould passes through the middle part that left lower bearing was connected to left tie rod, riveting right mould passes through the middle part that right tie rod connects right lower bearing. The comparison document simplifies the hot riveting process to a certain extent, but the structure of the comparison document has poor size adaptability to the thrust rod, and the thrust rods with different lengths cannot be processed through the tool disclosed by the comparison document.
3. The utility model discloses a utility model patent of patent No. CN201821288656 entitled "thrust rod hot riveting device", which comprises a heating device and a pressurizing device, wherein the heating device comprises a conveying frame, a conveying platform, a conveying strip, a limit baffle and a conveying piece, the conveying piece comprises a bracket component locked on the limit baffle and a conveying piece arranged on the bracket component, the conveying piece is positioned above the conveying strip, the pressurizing device comprises a pressurizing frame, an oil press, a pressurizing platform and a riveting component, the riveting component comprises a pressurizing seat arranged on the pressurizing frame through a stand column, an upper die plate arranged on the pressurizing seat, an upper riveting seat arranged on the upper die plate, a lower die plate arranged on the pressurizing platform and a lower riveting seat arranged on the lower die plate, the oil press is connected with the pressurizing seat through an output piston rod of the oil press arranged above the pressurizing frame through the stand column, the stand runs through the pressure seat, and the pressure seat can go up and down along the stand. The utility model relates to a tool device for the whole process of heating, positioning and riveting of the thrust rod hot riveting, which has complex equipment process and is greatly different from the tool device in structure and process.
In summary, a new hot riveting tool and a new positioning method are provided, so that the center distance of the holes of the two ball heads meets the design requirements, the integral hot riveting of the strength of the riveting joint after the hot riveting is ensured, the hot riveting tool can adapt to the hot riveting positioning of the thrust rods with different lengths, and great significance is brought to the improvement of the quality and the efficiency of the hot riveting of the connecting rod.
Disclosure of Invention
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
a method for positioning a thrust rod of an automobile in a hot riveting mode includes the steps of fixing a ball head of the thrust rod during hot riveting, pushing a heating sleeve towards the fixed ball head of the thrust rod by using another ball head of the thrust rod, enabling the heating sleeve to be sleeved into a handle portion of the fixed ball head of the thrust rod, enabling the center distance L between the ball heads at two ends of the thrust rod of the automobile to be smaller than a design requirement, moving the fixed ball head of the thrust rod in a reverse direction to be in contact with a distance positioning component, driving the heating sleeve to deform, and enabling the center distance L between the ball heads at two ends of the thrust rod of the automobile to meet the design requirement.
Furthermore, a fixed positioning component for fixing one thrust rod ball head and a movable positioning component for fixing the other thrust rod ball head are arranged on the mounting plate, and a distance positioning component and a pushing component are also arranged on the mounting plate;
during hot riveting, one end of the heating sleeve is sleeved into one ball head of the thrust rod, the movable positioning assembly is pushed to drive the other ball head of the thrust rod to be sleeved into the other end of the heating sleeve, the central distance L between the ball heads at two ends of the thrust rod is smaller than the design requirement, then the pushing acting force on the movable positioning assembly is loosened, the movable positioning assembly is pushed reversely to move to be in contact with the distance positioning assembly under the pushing action of the pushing assembly, and at the moment, the central distance L between the ball heads at two ends of the automobile thrust rod meets the design requirement.
Further, the pushing assembly comprises a positioning block with a pin, a positioning block spring and a cylindrical pin;
when the movable positioning component drives another thrust rod ball head to be sleeved into the other end of the heating sleeve, the movable positioning component is in contact with the cylindrical pin, so that the positioning block spring is compressed, and after the pushing acting force on the movable positioning component is released, the cylindrical pin reversely pushes the movable positioning component to move to be in contact with the distance positioning component under the elastic force of the positioning block spring.
Further, the distance between the fixed positioning assembly and the distance positioning assembly is adjusted before hot riveting, so that the automobile thrust rod hot riveting positioning method can process automobile thrust rods with different lengths, and the center distance L between ball heads at two ends of the automobile thrust rod meets the design requirement.
Further, the distance between the fixed positioning component and the distance positioning component is adjusted by adjusting the position of the fixed positioning component and/or the distance positioning component on the mounting plate.
Furthermore, an installation groove is formed in the installation plate, the fixed positioning assembly and/or the separation positioning assembly are/is connected to the installation groove in a sliding mode, and the position of the fixed positioning assembly and/or the separation positioning assembly on the installation groove is adjusted in a sliding mode.
Furthermore, the pushing assembly comprises a power cylinder, the movable positioning assembly drives another thrust rod ball head to be riveted on the other end of the heating sleeve, then the power cylinder is controlled to act to enable the piston rod to extend out, and the piston rod is used for pushing the movable positioning assembly to move reversely until the movable positioning assembly is contacted with the positioning assembly.
The utility model provides an automobile distance rod hot riveting location frock, including the mounting panel, and set up the fixed positioning subassembly that is used for fixed a distance rod bulb on the mounting panel and be used for the movable positioning subassembly of fixed another distance rod bulb, movable positioning subassembly can be towards the direction that is close to fixed positioning subassembly or keeps away from fixed positioning subassembly, move back, still be provided with on the mounting panel and be used for carrying out spacing apart from the locating component to the movable positioning subassembly, during the hot riveting, when utilizing fixed positioning subassembly and movable positioning subassembly to cooperate with two distance rod bulbs respectively the riveting behind heating sleeve's both ends, the direction that the movable positioning subassembly was kept away from fixed positioning subassembly is again controlled and is moved to contact with apart from the locating component, make automobile distance rod both ends bulb center distance L accord with the design requirement.
And the pushing assembly is positioned between the fixed positioning assembly and the movable positioning assembly, and is used for pushing the movable positioning assembly to move to be in contact with the distance positioning assembly.
Furthermore, the pushing assembly comprises a positioning block with a pin, a positioning block spring and a cylindrical pin, a counter bore which is in the same direction as the center connecting line of the ball head of the thrust rod is formed in the middle of the positioning block with the pin, the positioning block spring and the cylindrical pin are arranged in the counter bore, one end of the positioning block spring is in contact with the bottom of the counter bore, and the other end of the positioning block spring is in contact with one end face of the cylindrical pin.
The utility model has the following advantages:
1. the heating sleeve is sleeved on the handle part of the ball head of the thrust rod and extends into the sleeved length as far as possible, and then one ball head of the thrust rod is reversely pushed out to the position required by the designed length of the thrust rod.
2. The distance between the fixed positioning component and the distance positioning component can be set according to the distance between the centers of the ball heads of the thrust rods, so that the distance between the centers of the riveted ball heads of the thrust rods meets the requirement.
3. The slidable fixed positioning assembly, the distance positioning assembly and the movable positioning assembly can rivet and position the thrust rods with different lengths.
Drawings
FIG. 1 is a schematic structural view of a positioning tool;
FIG. 2 is a structural cross-sectional view of the positioning tool;
FIG. 3 is a sectional view of the fixed positioning assembly;
FIG. 4 is a structural cross-sectional view of the movable positioning assembly;
FIG. 5 is a sectional view of the pushing assembly;
FIG. 6 is a schematic structural view of a pushing assembly;
fig. 7 is a second schematic structural view of the distance positioning assembly and the pushing assembly.
Detailed Description
In order that those skilled in the art will be able to fully practice the utility model, it will be further described with reference to the accompanying drawings and specific examples.
A method for locating a vehicle thrust rod in a hot riveting mode includes the steps that during hot riveting, a thrust rod ball head 6 is fixed, then a heating sleeve 7 is pushed towards the fixed thrust rod ball head 6 by the aid of another thrust rod ball head 6, the heating sleeve 7 is sleeved into a handle portion of the fixed thrust rod ball head 6, the central distance L between ball heads at two ends of the vehicle thrust rod is smaller than a design requirement, then the fixed thrust rod ball head 6 is moved in a reverse direction to be in contact with a distance locating component 4, the heating sleeve 7 is driven to deform, and the central distance L between the ball heads at two ends of the vehicle thrust rod meets the design requirement. The heating sleeve 7 is sleeved into the handle part of the head of the thrust rod ball 6 and extends into the sleeved length as far as possible, and then one of the thrust rod ball heads 6 is reversely pushed out to the position required by the designed length of the thrust rod. Distance locating component 4 then plays limiting displacement when reverse release distance rod bulb 6, and after fixed distance rod bulb 6 reverse movement reached to contact with distance locating component 4 and was spacing, the centre spacing L of two distance rod bulbs 6 equals with the design requirement.
The fixed thrust rod ball head 6 is reversely moved to be in contact with the distance positioning component 4, namely a fixed positioning component 2 for fixing one thrust rod ball head 6 and a movable positioning component 3 for fixing the other thrust rod ball head 6 are arranged on the mounting plate 1, and the distance positioning component 4 and the pushing component 5 are also arranged on the mounting plate 1;
during hot riveting, one end of the heating sleeve 7 is sleeved into one thrust rod ball head 6, the movable positioning component 3 is pushed to drive the other thrust rod ball head 6 to be sleeved into the other end of the heating sleeve 7, the ball head center distance L between two ends of the thrust rod is smaller than the design requirement, then the pushing acting force on the movable positioning component 3 is loosened, under the reverse pushing action of the pushing component 5, the movable positioning component 3 is reversely pushed to move to be in contact with the distance positioning component 4, and at the moment, the ball head center distance L between two ends of the automobile thrust rod meets the design requirement.
As shown in fig. 3, the fixing and positioning assembly 2 includes a ball head mounting seat 21 and a fixing and positioning base 22, the ball head mounting seat 21 is fixedly mounted on the fixing and positioning base 22, the fixing and positioning base 22 is slidably connected to the mounting groove 11 through a bolt, and the fixing and positioning base 22 can be fixed on the mounting groove 11 through a bolt during hot riveting. The ball mount 21 includes a positioning assembly spring 23, an annular retainer 24, and a screw 25. The ball head mounting seat 21 is a cylinder with a circle of stop blocks arranged on the inner wall and the outer wall, the outer wall is coated with a PTFE coating 211, and the friction coefficient of the coating is very small, so that a fixed positioning assembly or a movable positioning assembly can be gently and easily placed into the ball head. Meanwhile, after hot riveting, the connecting rod is easily taken out. The lower part of the outer stop 212 is embedded in the circular hole of the base, the outer stop and the circular hole of the base are in small clearance fit, and the ball head mounting seat 21 can move up and down. The ball 6 is placed above the outer stop 212 of the ball mounting seat 21, and the ball mounting seat are also in small clearance fit. The ball mount 21 is internally provided with a positioning assembly spring 23, one end of which is in contact with the internal stopper 213 and the other end of which is in contact with the mounting plate 1. The lower end surface of the ball head mounting seat 21 is connected with an annular baffle plate 25 through a screw 24. The function of the annular flap 25 is to prevent the ball mount 21 from being sprung out of the base 22 by the positioning assembly. The fixed base 22 is fixed on the mounting plate 1 through a T-shaped bolt, and the fixed base 22 can slide along the mounting groove 11 by loosening the T-shaped bolt.
As shown in fig. 4, the movable positioning assembly 3 includes a ball head mounting seat 21 and a movable positioning base 32, the ball head mounting seat 21 is fixedly mounted on the movable positioning base 32, and the movable positioning base 32 is embedded in the mounting groove 11 and can slide back and forth along the mounting groove 11. The only part of the movable positioning component 3 which is structurally different from the fixed positioning component 2 is a movable base 31, wherein the movable base 31 is provided with a T-shaped foot, and the T-shaped foot is embedded in a T-shaped groove of the mounting plate 1. The movable positioning member 3 can move back and forth along the direction of the T-shaped groove. The pushing assembly 5 is positioned between the movable positioning assembly 3 and the fixed positioning assembly 2.
The pushing assembly 5 comprises a positioning block 51 with a pin, a positioning block spring 52 and a cylindrical pin 53, the movable positioning assembly 3 is in contact with the cylindrical pin 53, so that the positioning block spring 52 is compressed, and after the pushing acting force on the movable positioning assembly 3 is released, the cylindrical pin 53 pushes the movable positioning assembly 3 to move to be in contact with the distance positioning assembly 4 under the elastic force of the positioning block spring 52.
As shown in fig. 5 and 6, in order to automatically eliminate the gap between the movable positioning component 3 and the distance positioning component 4 during riveting positioning, the fixed positioning component 2 and the movable positioning component 3 further include a pushing component 5, the pushing component 5 is slidably mounted on the mounting groove 11, and during hot riveting, the pushing component 5 is fixedly connected with the mounting groove 11 and can push the movable positioning component 3 to move towards the distance positioning component 4. The pusher assembly 5 is shown with a pin locator block 51, a locator spring 52, and a cylindrical pin 53. The locating block 51 with the pin is fixed on the mounting plate 1 through a T-shaped bolt, a counter bore is formed in the middle of the locating block 51 with the pin in the same direction as a T-shaped groove of the mounting plate, a locating block spring 52 and a cylindrical pin 53 are arranged in the counter bore, one end of the locating block spring 52 is in contact with the bottom of the counter bore, and the other end of the locating block spring is in contact with one end face of the cylindrical pin 53. The cylindrical pin 53 is in clearance fit with the counter bore of the pin positioning block 51, and can move back and forth in the counter bore along the direction.
According to the design length design requirement of the distance L between the ball centers at the two ends of different automobile thrust rods, the distance between the fixed positioning component 2 and the distance positioning component 4 is adjusted before hot riveting, so that the distance between the fixed positioning component 2 and the distance positioning component 4 is equal to the distance L between the ball centers at the two ends of the automobile thrust rods, and the requirement of the design lengths of different automobile thrust rods is met.
The distance between the fixed positioning component 2 and the distance positioning component 4 is adjusted by adjusting the position of the fixed positioning component 2 and/or the distance positioning component 4 on the mounting plate 1.
The mounting plate 1 is provided with a mounting groove 11, the fixed positioning component 2 and/or the separation positioning component 4 are/is connected onto the mounting groove 11 in a sliding mode, and the position of the fixed positioning component 2 and/or the separation positioning component 4 on the mounting groove 11 is adjusted in a sliding mode.
In order to enable the fixed positioning component 2 and the movable positioning component 3 to adjust the distance according to the center distance of the ball head 6 of the thrust rod, the mounting plate 1 is provided with a mounting groove 11, and the fixed positioning component 2 and the movable positioning component 3 can be connected in a sliding mode through the mounting groove 11. The movable positioning component 3 is connected to the mounting groove 11 in a sliding mode, and in the positioning process, the handle portion of the ball head 6 of the thrust rod can be sleeved into the sleeve 7 of the thrust rod by pushing the movable positioning component 3 to slide in the mounting groove 11.
In order to fix the fixing and positioning component 2 to the mounting groove 11 during riveting and positioning, one embodiment is as shown in fig. 1 and 3, the fixing and positioning component 2 is connected to the mounting groove 11 by a bolt, the fixing and positioning component 2 is connected to the mounting groove 11 in a sliding manner in a normal state, and the fixing and positioning component 2 is fixedly connected to the mounting groove 11 by bolt fastening during hot riveting. Since the fixed positioning component 2 can move along the installation groove 11 so as to adjust the distance between the fixed positioning component 2 and the distance positioning component 4, the distance positioning component 4 is fixedly connected with the installation plate 1 in the embodiment.
In the present embodiment, the distance positioning component 4 is fixedly connected with the mounting plate 1, and the distance positioning component 4 includes a positioning pin 41 and a positioning hole 42 fixedly opened on the mounting plate 1, and the positioning pin 41 can be inserted into the positioning hole 42 or pulled out from the positioning hole 42. The head of the positioning pin 41 is square, and the lower part of the head is conical. In the heat staking, the positioning pins 41 are placed in the tapered holes of the mounting plate 1. The lower part of the head part is conical, so that the head part can be easily put into the tapered hole and also can be easily taken out of the tapered hole.
Another embodiment of the distance positioning component 4 is shown in fig. 7, and is connected with the mounting plate 1 through a T-shaped bolt and the mounting groove 11, the distance positioning component 4 can slide along the mounting groove 11 by loosening the T-shaped bolt, and after the distance is adjusted, the distance positioning component 4 can be fixed in the mounting groove 11 by fastening the T-shaped bolt. In the embodiment, the distance positioning component 4 comprises a distance positioning component base 43, grooves are formed in two sides of the distance positioning component base 43, a T-shaped bolt penetrates through the grooves to be connected with the installation groove 11, and in order to achieve that the distance between the distance positioning component 4 and the fixed positioning component 2 is adjustable, the fixed positioning component 2 can be fixedly connected with the installation plate 1, and is preferably integrally formed with the installation plate 1.
Alternatively, the pushing assembly 5 includes a power cylinder, when the movable positioning assembly 3 drives another thrust rod ball 6 to rivet on another end of the heating sleeve 7, after the acting force on the movable positioning assembly 3 is released, the power cylinder is controlled to act so that the piston rod extends out, and the piston rod pushes the movable positioning assembly 3 to move reversely until the piston rod contacts the positioning assembly 4. The power cylinder is preferably an air cylinder, and a piston rod of the air cylinder extends out by compressed air to push the movable positioning component 3 to be in contact with the distance positioning component 4. Other power cylinders such as hydraulic cylinders and the like can also achieve the above functions.
As shown in fig. 1, an automobile thrust rod hot riveting positioning tool comprises a mounting plate 1, a fixed positioning assembly 2 arranged on the mounting plate 1 and used for fixing a thrust rod ball head 6, and a movable positioning assembly 3 arranged on the mounting plate 1 and used for fixing another thrust rod ball head 6, wherein a distance positioning assembly 4 used for limiting the movable positioning assembly 3 is further arranged on the mounting plate 1; during hot riveting, after the fixed positioning component 2 and the movable positioning component 3 are matched to rivet the two ball heads 6 of the thrust rod at two ends of the heating sleeve 7 respectively, the movable positioning component 3 is moved to be in contact with the distance positioning component 4, so that the center distance L between the ball heads at two ends of the automobile thrust rod meets the design requirement. The movable positioning component 3 can slide back and forth around the mounting plate 1, the top surfaces of the fixed positioning component 2 and the movable positioning component 3 are consistent in height from the mounting plate 1, and the distance between the ball head 6 of the thrust rod and the mounting plate 1 is guaranteed after the ball head is mounted on the fixed positioning component 2 and the movable positioning component 3. The central axes of the fixed positioning component 2 and the movable positioning component 3 are on the same straight line, so that the central axis of the thrust rod sleeve 7 and the thrust rod ball head 6 are on the same straight line when in hot riveting positioning; one side of the movable positioning component 3 further comprises a distance positioning component 4, and the distance between the distance positioning component 4 and the fixed positioning component 2 is equal to the sum of the distance L between the centers of the ball heads at two ends of the automobile thrust rod and the radius R of the bottom surface of the movable positioning component 3 during hot riveting: when in hot riveting, the distance between the distance positioning component 4 and the fixed positioning component 2 is adjusted according to the center distance of the thrust rod ball head 6, then the thrust rod ball head 6 is respectively installed on the fixed positioning component 2 and the movable positioning component 3, the thrust rod sleeve 7 is heated and quickly sleeved on the handle part of the thrust rod ball head on the fixed positioning component 2, the movable positioning component 3 is pushed towards the direction of the fixed positioning component 2, the handle part of the thrust rod ball head on the movable positioning component 3 is sleeved in the thrust rod sleeve 7, and finally the movable positioning component 3 is pushed towards the direction of the distance positioning component 4, so that the bottom surface of the movable positioning component 3 is contacted with the distance positioning component 4 to eliminate a gap, so far, the center distance of the thrust rod ball head 6 is determined, and positioning is realized.
The pushing component 5 is positioned between the fixed positioning component 2 and the movable positioning component 3, and when in hot riveting, the pushing component 5 is utilized to push the movable positioning component 3 to move to be in contact with the distance positioning component 4. The pushing assembly 5 comprises a locating block 51 with a pin, a locating block spring 52 and a cylindrical pin 53, wherein a counter bore which is in the same direction as the central connecting line of the ball head 6 of the thrust rod is arranged in the middle of the locating block 51 with the pin, the locating block spring 52 and the cylindrical pin 53 are arranged in the counter bore, one end of the locating block spring 52 is in contact with the bottom of the counter bore, and the other end of the locating block spring is in contact with one end face of the cylindrical pin 53.
Another embodiment of the pushing assembly 5 is shown in fig. 7, a groove 54 corresponding to the thrust rod sleeve 7 is formed above the pin-equipped positioning block 51, and the thrust rod sleeve 7 is embedded into the groove 54 during riveting positioning, so that the pushing assembly 5 has a supporting effect on the thrust rod sleeve 7, and the positioning precision is higher.
Claims (9)
1. The hot riveting positioning method for the automobile thrust rod is characterized by comprising the following steps of: during hot riveting, one thrust rod ball head (6) is fixed, then the other thrust rod ball head (6) is utilized to push the heating sleeve (7) towards the fixed thrust rod ball head (6), the heating sleeve (7) is sleeved on the handle part of the fixed thrust rod ball head (6), the central distance L between the ball heads at the two ends of the automobile thrust rod is smaller than the design requirement, then the other thrust rod ball head (6) is reversely moved to be in contact with the distance positioning component (4), the heating sleeve (7) is driven to deform, and the central distance L between the ball heads at the two ends of the automobile thrust rod meets the design requirement;
a fixed positioning component (2) for fixing one thrust rod ball head (6) and a movable positioning component (3) for fixing the other thrust rod ball head (6) are arranged on the mounting plate (1), and a distance positioning component (4) and a pushing component (5) are also arranged on the mounting plate (1); during hot riveting, firstly, one end of a heating sleeve (7) is sleeved into a thrust rod ball head (6), then, a movable positioning component (3) is pushed to drive another thrust rod ball head (6) to be sleeved into the other end of the heating sleeve (7), so that the distance L between ball heads at two ends of the thrust rod is smaller than the design requirement, then, the pushing acting force on the movable positioning component (3) is loosened, under the pushing action of a pushing component (5), the movable positioning component (3) is reversely pushed to move to be in contact with a distance positioning component (4), and at the moment, the distance L between the ball heads at two ends of the automobile thrust rod meets the design requirement.
2. The automobile thrust rod hot riveting positioning method of claim 1, characterized in that: the pushing assembly (5) comprises a positioning block (51) with a pin, a positioning block spring (52) and a cylindrical pin (53);
when the movable positioning component (3) drives another thrust rod ball head (6) to be sleeved into the other end of the heating sleeve (7), the movable positioning component (3) is in contact with the cylindrical pin (53) to enable the positioning block spring (52) to be compressed, and after the pushing acting force on the movable positioning component (3) is released, the cylindrical pin (53) reversely pushes the movable positioning component (3) to move to be in contact with the distance positioning component (4) under the elastic force of the positioning block spring (52).
3. The automobile thrust rod hot riveting positioning method as recited in claim 2, wherein: the distance between the fixed positioning component (2) and the distance positioning component (4) is adjusted before hot riveting, so that the automobile thrust rod hot riveting positioning method can process automobile thrust rods with different lengths, and the center distance L between ball heads at two ends of the automobile thrust rod meets the design requirement.
4. The automobile thrust rod hot riveting positioning method of claim 3, characterized in that: and adjusting the distance between the fixed positioning component (2) and the distance positioning component (4) is to adjust the distance by adjusting the position of the fixed positioning component (2) and/or the distance positioning component (4) on the mounting plate (1).
5. The automobile thrust rod hot riveting positioning method of claim 4, wherein: offer mounting groove (11) on mounting panel (1), with fixed position subassembly (2) and/or apart from locating component (4) sliding connection in on mounting groove (11), through with fixed position subassembly (2) and/or apart from locating component (4) slide adjustment its position on mounting panel (1) on mounting groove (11).
6. The automobile thrust rod hot riveting positioning method of claim 1, characterized in that: the pushing assembly (5) comprises a power cylinder, the movable positioning assembly (3) drives another thrust rod ball head (6) to be riveted on the other end of the heating sleeve (7), then the power cylinder is controlled to act to enable the piston rod to extend out, and the piston rod is used for pushing the movable positioning assembly (3) to move reversely to be in contact with the distance positioning assembly (4).
7. The utility model provides an automobile distance rod hot riveting location frock, includes mounting panel (1) and sets up fixed position subassembly (2) that are used for fixed one distance rod bulb (6) on mounting panel (1) and activity locating component (3) that are used for fixed another distance rod bulb (6), activity locating component (3) can come, move back towards the direction that is close to fixed position subassembly (2) or keeps away from fixed position subassembly (2) direction, its characterized in that: still be provided with on mounting panel (1) and be used for carrying on spacing apart from locating component (4) to activity locating component (3), during the hot riveting, after utilizing fixed locating component (2) and activity locating component (3) to cooperate with two distance rod bulb (6) riveting respectively at the both ends of heating sleeve (7), again control activity locating component (3) towards keeping away from the direction of fixed locating component (2) and remove to contact with apart from locating component (4) for car distance rod both ends bulb center distance L accords with the design requirement.
8. The automobile thrust rod hot riveting positioning tool of claim 7, characterized in that: the device is characterized by further comprising a pushing assembly (5), wherein the pushing assembly (5) is located between the fixed positioning assembly (2) and the movable positioning assembly (3), and the movable positioning assembly (3) is pushed to move to be in contact with the distance positioning assembly (4) by the pushing assembly (5).
9. The automobile thrust rod hot riveting positioning tool of claim 8, characterized in that: the pushing assembly (5) comprises a pin-provided positioning block (51), a positioning block spring (52) and a cylindrical pin (53), a counter bore which is in the same direction as the center connecting line of the thrust rod ball head (6) is formed in the middle of the pin-provided positioning block (51), the positioning block spring (52) and the cylindrical pin (53) are arranged in the counter bore, one end of the positioning block spring (52) is in contact with the bottom of the counter bore, and the other end of the positioning block spring is in contact with one end face of the cylindrical pin (53).
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| CN201910845535.1A CN110587222B (en) | 2019-09-09 | 2019-09-09 | Automobile thrust rod hot riveting positioning method and tool |
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| CN201910845535.1A CN110587222B (en) | 2019-09-09 | 2019-09-09 | Automobile thrust rod hot riveting positioning method and tool |
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| CN110587222A CN110587222A (en) | 2019-12-20 |
| CN110587222B true CN110587222B (en) | 2022-03-18 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014501B (en) * | 2019-12-30 | 2022-04-22 | 烟台辰宇汽车部件有限公司 | Thrust rod hot riveting device |
| CN113458735B (en) * | 2021-07-27 | 2022-08-23 | 绍兴熔岩机械有限公司 | Method for manufacturing pull rod ball head for automobile |
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Effective date of registration: 20221226 Address after: No.639 Heilongjiang Road, 58 Liyu Industrial Park, Tianyuan District, Zhuzhou City, Hunan Province, 412007 Patentee after: BOGE RUBBER&PLASTICS ZHUZHOU Co.,Ltd. Address before: 412007 Haitian Road, Tianyuan District, Zhuzhou, Hunan Province, No. 18 Patentee before: ZHUZHOU TIMES NEW MATERIAL TECHNOLOGY Co.,Ltd. |