CN111360534A - Method of assembling a shock absorber assembly - Google Patents
Method of assembling a shock absorber assembly Download PDFInfo
- Publication number
- CN111360534A CN111360534A CN202010218133.1A CN202010218133A CN111360534A CN 111360534 A CN111360534 A CN 111360534A CN 202010218133 A CN202010218133 A CN 202010218133A CN 111360534 A CN111360534 A CN 111360534A
- Authority
- CN
- China
- Prior art keywords
- positioning
- shock absorber
- cover plate
- spring seat
- guide sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
-
- 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
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a method for assembling a shock absorber assembly, which comprises the following steps: step S1: clamping and fixing the shock absorber seat body by using a clamping device; step S2: sleeving the buffer block on the piston rod, coaxially connecting the lower end of the guide rod to the upper end of the piston rod, sleeving the spring, the dustproof sleeve and the upper spring seat on the outer sides of the piston rod and the guide rod, and connecting the guide sleeve to the upper end of the upper spring seat to enable the guide rod to penetrate through a central hole of the guide sleeve; step S3: the positioning hole structure is arranged above the guide sleeve, and the clamping device and the positioning device are close to each other to compress the spring; step S4: the guide rod and guide sleeve are removed and a cover plate and nut are provided, which is used to lock the cover plate to the upper end of the piston rod. The method for assembling the shock absorber assembly has the advantage that the positioning among the parts is accurate in the assembling process.
Description
Technical Field
The invention relates to a method for assembling a mechanical device, in particular to a method for assembling a shock absorber assembly.
Background
Referring to fig. 1 to 3, for some shock absorber assemblies, like the shock absorber assembly of car, generally include shock absorber 1, buffer block 2, spring 3, dirt proof boot 4, go up spring holder 5 and apron 6, shock absorber 1 includes shock absorber pedestal 11 and piston rod 12, be provided with down spring holder 13 on the shock absorber pedestal 11, piston rod 12 upper end is provided with the screw thread, buffer block 2 suit is on piston rod 12, play the cushioning effect, apron 6 passes through the upper end of nut 7 lock in piston rod 12, spring 3, dirt proof boot 4 and last spring holder 5 suit are in the piston rod 12 outside, it is in the downside of apron 6 to go up spring holder 5, spring 3 and dirt proof boot 4 are in between spring holder 5 and the lower spring holder 13, spring 3 is in the compression state. The spring 3 needs to be compressed when the shock absorber assembly is assembled, and the rebound force of the spring 3 easily causes the component to be assembled to deviate in the process of compressing the spring 3, so that how to position the component to be assembled in order to assemble the component in an accurate position is very important in the process of assembling the shock absorber assembly.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a method for assembling the shock absorber assembly, and the positioning between the parts is accurate in the assembling process.
A method of assembling a shock absorber assembly according to an embodiment of the present invention includes the steps of:
step S1: providing a shock absorber and a clamping device, wherein the shock absorber comprises a shock absorber seat body and a piston rod, the upper end of the piston rod is provided with a thread, and a lower spring seat is arranged on the shock absorber seat body; vertically placing the shock absorber on the clamping device, enabling the piston rod to face upwards, and clamping and fixing the shock absorber base body by using the clamping device; step S2: providing a buffer block, a spring, a dustproof sleeve, an upper spring seat, a guide rod and a guide sleeve, wherein a central hole is formed in the guide sleeve, and the guide rod is matched with the central hole and can be in sliding fit with the central hole; sleeving the buffer block on the piston rod, coaxially connecting the lower end of the guide rod to the upper end of the piston rod, sleeving the spring, the dustproof sleeve and the upper spring seat on the outer sides of the piston rod and the guide rod, enabling the spring and the dustproof sleeve to be located between the lower spring seat and the upper spring seat, connecting the guide sleeve to the upper end of the upper spring seat, and enabling the guide rod to penetrate into a central hole of the guide sleeve; step S3: providing a positioning device, wherein the positioning device is provided with at least two positioning claws, the positioning claws can approach or depart from each other and enclose a positioning hole structure after approaching to each other, the positioning hole structure is matched with the guide sleeve and can be penetrated by the guide sleeve from bottom to top, and the positioning hole structure is matched with the upper part of the upper spring seat and can vertically limit the upper spring seat so that the upper spring seat cannot integrally penetrate from bottom to top; the positioning claw is made to surround the positioning hole structure above the guide sleeve, the clamping device and the positioning device are made to approach each other so that the guide sleeve penetrates through the positioning hole structure from bottom to top, the clamping device and the positioning device continue to approach each other after the upper portion of the upper spring seat enters the positioning hole structure so as to compress the spring, and the clamping device and the positioning device stop approaching each other after the spring obtains a preset compression amount; step S4: and taking away the guide rod and the guide sleeve, providing a cover plate and a nut, installing the cover plate at the upper end of the upper spring seat, enabling the piston rod to penetrate through the cover plate, and locking the cover plate at the upper end of the piston rod by using the nut.
The method for assembling the shock absorber assembly has the following beneficial effects: before the spring is compressed, the upper spring seat is connected with the piston rod through the guide sleeve and the guide rod, so that the upper spring seat and the piston rod keep good coaxiality and parts are not easy to deviate from each other; through the matching of the guide sleeve and the positioning hole structure, the upper spring seat can be guided into the positioning hole structure, and meanwhile, the position of the whole semi-finished product is corrected; in the process of compressing the spring, the upper spring seat is positioned by the positioning hole structure, and in the process of compressing the spring, the upper spring seat can better keep the position accurate and cannot randomly deviate. The method for assembling the shock absorber assembly has the advantages of accurate positioning in the assembling process and high assembling precision.
According to some embodiments of the invention, step S4 further comprises: and providing a cover plate rotation stopping device and a nut locking device, circumferentially positioning the cover plate through the cover plate rotation stopping device, screwing the nut on the upper end of the piston rod in advance, and locking the nut through the nut locking device.
According to some embodiments of the present invention, in step S3, the vertical position of the positioning device is kept fixed, and the gripping device and the positioning device are moved close to each other by lifting the position of the gripping device by the lifting driving device.
According to some embodiments of the present invention, the clamping device, the positioning device, the lifting driving device, the cover plate rotation stopping device and the nut locking device are disposed on a frame.
According to some embodiments of the invention, the clamping device comprises a base, two clamping jaw assemblies and a clamping jaw assembly driving mechanism, the base is movably connected with the frame and can move up and down, the base is connected with the lifting driving device and can be driven by the lifting driving device to move up and down, the base is provided with a positioning structure capable of positioning the shock absorber seat body, the two clamping jaw components are movably connected to the base in a transverse moving way, the two clamping jaw components are arranged correspondingly left and right, the two clamping jaw components are both provided with clamping jaws, the two clamping jaws are arranged oppositely left and right, the clamping jaw component driving mechanism is arranged on the base and can drive the two clamping jaw components to mutually approach or separate so as to clamp or release the shock absorber base body by the two clamping jaws.
According to some embodiments of the present invention, the positioning device includes two traverse members movably connected to the frame in a laterally movable manner, the two traverse members being disposed in left-right correspondence, the positioning claws being disposed in two and oppositely disposed on the two traverse members in left-right correspondence, and a traverse member driving mechanism disposed on the frame and capable of driving the two traverse members to approach or move away from each other.
According to some embodiments of the present invention, the rotation stopping device of the cover plate includes a rotation stopping plate and a Z-axis driver, the rotation stopping plate is disposed on an upper side of the positioning pawl, the rotation stopping plate is movably connected to the frame and can move vertically, the rotation stopping plate is connected to a handle for driving the rotation stopping plate to move, the Z-axis driver is connected to the frame and an output end of the Z-axis driver is connected to the rotation stopping plate and can drive the rotation stopping plate to move vertically, the Z-axis driver has a braking structure so that the rotation stopping plate can stop at a current vertical position when no external force is applied, and the rotation stopping plate is provided with a rotation limiting structure adapted to cooperate with the cover plate and prevent the cover plate from rotating.
According to some embodiments of the invention, the nut locking device comprises a nut tightening gun and a Z-axis moving platform, the nut tightening gun is connected to the Z-axis moving platform, the Z-axis moving platform is arranged on the rack and can drive the nut tightening gun to move up and down, the nut tightening gun is located on the upper side of the rotation stopping plate, and an avoidance hole for a gun head of the nut tightening gun to pass through is formed in the rotation stopping plate.
According to some embodiments of the invention, the outer circumferential surface of the upper end of the guide sleeve is a tapered surface.
According to some embodiments of the invention, a vertically arranged guide strip protrudes from the circumferential surface of the guide sleeve, the positioning hole structure is adjacent to a positioning channel communicated with the positioning hole structure, and the width of the guide strip is adapted to the width of the positioning channel and can penetrate through the positioning channel from bottom to top; after the guide sleeve is connected with the upper spring seat, the guide sleeve and the upper spring seat are circumferentially positioned together and cannot relatively rotate.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a perspective view of an assembled shock absorber assembly according to an embodiment of the present invention;
FIG. 2 is a schematic half-section view of the shock absorber assembly shown in FIG. 1;
FIG. 3 is an exploded view of the components of the shock absorber assembly shown in FIG. 1;
FIG. 4 is a diagram illustrating step S1 according to an embodiment of the present invention;
FIG. 5 is a diagram illustrating step S2 according to an embodiment of the present invention;
FIG. 6 is a perspective view of an embodiment of a guide sleeve and guide rod;
FIG. 7 is a perspective view of the assembled blank of FIG. 5;
FIG. 8 is a schematic half-section view of the structure shown in FIG. 7;
FIG. 9 is a diagram illustrating step S3 according to an embodiment of the present invention;
FIG. 10 is a first diagram illustrating step S4 according to the embodiment of the present invention;
FIG. 11 is a second diagram illustrating step S4 according to the present invention;
FIG. 12 is a perspective view of an embodiment of a clamping device and a lift drive;
FIG. 13 is a perspective view of a portion of the structure shown in FIG. 12;
FIG. 14 is a perspective view of an embodiment of a positioning device;
FIG. 15 is a perspective view of a portion of the structure shown in FIG. 14;
FIG. 16 is a perspective view of an embodiment of a rotation stop device of a cover plate;
fig. 17 is a perspective view of an embodiment of a nut lock apparatus.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 3, a shock absorber assembly to be assembled is illustrated in a block diagram. The bumper shock absorber assembly includes bumper shock absorber 1, buffer block 2, spring 3, dirt proof boot 4, go up spring holder 5 and apron 6, bumper shock absorber 1 includes bumper shock absorber pedestal 11 and piston rod 12, 12 upper ends of piston rod are provided with the screw thread, be provided with down spring holder 13 on the bumper shock absorber pedestal 11, 2 suit on piston rod 12 of buffer block, play the cushioning effect, apron 6 attaches in the upper end of piston rod 12 through nut 7 lock, spring 3, dirt proof boot 4 and last spring holder 5 suit are in the piston rod 12 outside, it is in the downside of apron 5 to go up spring holder 5, spring 3 and dirt proof boot 4 are in between spring holder 5 and the lower spring holder 13, spring 3 is in compression state.
A method of assembling a shock absorber assembly comprising the steps of:
referring to fig. 4, step S1: providing a shock absorber 1 and a clamping device 200, vertically placing the shock absorber 1 on the clamping device 200, enabling a piston rod 12 to face upwards, and clamping and fixing a shock absorber seat body 11 by using the clamping device 200;
referring to fig. 5 to 8, step S2: providing a buffer block 2, a spring 3, a dustproof sleeve 4, an upper spring seat 5, a guide rod 310 and a guide sleeve 320, wherein a central hole 321 is formed in the guide sleeve 320, and the guide rod 310 is matched with the central hole 321 and can be in sliding fit with the central hole 321; the buffer block 2 is sleeved on the piston rod 12, the lower end of the guide rod 310 is coaxially connected to the upper end of the piston rod 12, the spring 3, the dustproof sleeve 4 and the upper spring seat 5 are sleeved on the outer sides of the piston rod 12 and the guide rod 310, so that the spring 3 and the dustproof sleeve 4 are positioned between the lower spring seat 13 and the upper spring seat 5, the guide sleeve 320 is connected to the upper end of the upper spring seat 5, and the guide rod 310 penetrates through a central hole 321 of the guide sleeve 320;
referring to fig. 5 and 9, step S3: providing a positioning device 400, wherein the positioning device 400 is provided with two positioning claws 411, the positioning claws 411 can approach or depart from each other and enclose a positioning hole structure 401 after approaching to each other, the positioning hole structure 401 is matched with the guide sleeve 320 and can allow the guide sleeve 320 to pass through from bottom to top, and the positioning hole structure 401 is matched with the upper part of the upper spring seat 5 and can vertically limit the upper spring seat 5 so that the upper spring seat 5 cannot integrally pass through from bottom to top; enclosing the positioning claws 411 above the guide sleeve 320 to form a positioning hole structure 401, enabling the clamping device 200 and the positioning device 400 to approach each other so that the guide sleeve 320 passes through the positioning hole structure 401 from bottom to top, continuing to enable the clamping device 200 and the positioning device 400 to approach each other after the upper part of the upper spring seat 5 enters the positioning hole structure 401 so that the upper spring seat 5 and the lower spring seat 13 can approach each other to compress the spring 3, and stopping enabling the clamping device 200 and the positioning device 400 to approach each other after the spring 3 obtains a preset compression amount;
referring to fig. 10 and 11, step S4: guide bar 310 and guide sleeve 320 are removed, cover plate 6 and nut 7 are provided, cover plate 6 is mounted on the upper end of upper spring seat 5 such that piston rod 12 passes through cover plate 6, and cover plate 6 is locked to the upper end of piston rod 12 using nut 7.
Before the spring 3 is compressed, the upper spring seat 5 is connected with the piston rod 12 through the guide sleeve 320 and the guide rod 310, so that the upper spring seat 5 and the piston rod 12 keep good coaxiality and are not easy to deviate from each other; through the matching of the guide sleeve 320 and the positioning hole structure 401, the upper spring seat 5 can be guided into the positioning hole structure 401, and meanwhile, the position of the whole semi-finished product is corrected; in the process of compressing the spring 3, the upper spring seat 5 is positioned by the positioning hole structure 401, and in the process of compressing the spring 3, the upper spring seat 5 can better keep the position accurate and cannot be randomly deviated. The method for assembling the shock absorber assembly has the advantages of accurate positioning in the assembling process and high assembling precision.
In this embodiment, step S4 further includes: a cover plate rotation stopping device 600 and a nut locking device 700 are provided, a cover plate 6 is circumferentially positioned by the cover plate rotation stopping device 600, a nut 7 is screwed on the upper end of a piston rod 12 in advance, and the nut 7 is locked by the nut locking device 700. By adopting the cover plate rotation stopping device 600 and the nut locking device 700, the work of automatically locking the nut 7 can be implemented without manually locking the nut 7 by a worker. The cover plate 6 is circumferentially positioned by the cover plate rotation stopping device 600, so that the cover plate 6 cannot rotate when the nut locking device 700 screws the nut 7, and the nut locking device 700 is convenient to screw the nut 7.
In the present embodiment, in step S3, the vertical position of the positioning device 400 is kept fixed, and the gripping device 200 and the positioning device 400 are brought close to each other by the lifting driving device 500 lifting the position of the gripping device 200. When the compression of the spring 3 is completed, the whole semi-finished product is positioned relatively up, thus facilitating the assembly of the cover plate 6. After step 4 is completed, the positioning claws 411 are opened away from each other, and then the finished product is lowered by the lifting driving device 500, thereby facilitating the worker to take the finished product away. In other embodiments, the clamping device 200 may be held in a fixed vertical position and the positioning device 400 lowered to compress the spring.
In the embodiment, the clamping device 200, the positioning device 400, the lifting driving device 500, the cover plate rotation stopping device 600 and the nut locking device 700 are disposed on a rack 100, the clamping device 200, the positioning device 400, the lifting driving device 500, the cover plate rotation stopping device 600 and the nut locking device 700 correspond to an assembling machine for assembling a shock absorber assembly, and the method for assembling a shock absorber assembly of the present invention is completed on the machine in a centralized manner.
Referring to fig. 12 to 13, in the present embodiment, the clamping device 200 includes a base 210, two clamping jaw assemblies 220, and a clamping jaw assembly driving mechanism 230, the base 210 is movably connected to the frame 100 and can move up and down, the base 210 is connected to the lifting driving device 500 and can be driven by the lifting driving device 500 to move up and down, a positioning structure 211 capable of positioning the shock absorber seat 11 is disposed on the base 210, the two clamping jaw assemblies 220 can be movably connected to the base 210 in a lateral movement manner, the two clamping jaw assemblies 220 are correspondingly disposed left and right, clamping jaws 221 are disposed on the two clamping jaw assemblies 220, the two clamping jaws 221 are disposed opposite to each other left and right, the clamping jaw assembly driving mechanism 230 is disposed on the base 210, and the clamping jaw assembly driving mechanism 230 can drive the two clamping jaw assemblies 220 to approach or move away from each other so that the two clamping jaws 221 clamp or release. When the shock absorber seat body 11 is placed, the position of the shock absorber seat body 11 is positioned through the positioning structure 211, and then the shock absorber seat body 11 is clamped through the two clamping claws 221, so that the position of the shock absorber seat body 11 is stable.
In this embodiment, the clamping jaw assembly 220 is connected to the base 210 through a linear guide pair, so as to achieve a free lateral movement relative to the base 210, and in other embodiments, the movable connection between the clamping jaw assembly 220 and the base 210 may be achieved through other structures, such as a matching structure of a guide rod and a slide hole. In this embodiment, the lifting driving device 500 is a screw moving platform, and the base 210 is connected to a moving pair of the screw moving platform. In this embodiment, the base 210 is movably connected to the frame 100 in a vertically movable manner, and the movable connection can be realized by a linear guide pair, or by a combination of a guide rod and a linear sliding bearing. In other embodiments, the lifting driving device 500 may also be a linear motor or other lifting platform structure, as long as it can drive the clamping device 200 to lift.
In this embodiment, the driving mechanism 230 includes a first cylinder 231, two first racks 232 and a first linking gear 233, the two first racks 232 are respectively fixed on the two gripper assemblies 220, the two first racks 232 are disposed in parallel and have opposite tooth surfaces, the first linking gear 233 is pivoted to the base 210, the first linking gear 233 is disposed between the two first racks 232 and engaged with the two first racks 232, the first cylinder 231 is mounted on the base 210, and a cylinder rod thereof is connected with one of the gripper assemblies 220 and can drive the gripper assembly 220 to move laterally. When the clamping jaw assembly 220 moves laterally in one direction under the driving of the first cylinder 231, the fixed first rack 232 transmits power to the other clamping jaw assembly 220 through the first linkage gear 233 and the other first rack 232, so that the other clamping jaw assembly 220 moves in the opposite direction, and thus the clamping jaw assemblies 220 can move closer to and away from each other, and the two clamping jaws 221 can clamp or release the shock absorber housing 11. The structure is adopted to realize the clamping and fixing of the shock absorber seat body 11, only one driving power source can be arranged, so that the cost is saved, the volume is reduced, and meanwhile, the synchronism is good when the two clamping jaw assemblies 220 move. In other embodiments, other configurations of gripper assembly drive mechanism 230 may be used, such as two air cylinders configured to drive the movement of the two gripper assemblies 220. There are many mechanisms in the art for driving two members toward and away from each other, not illustrated here.
In this embodiment, the positioning structure 211 is a positioning column disposed on the base 210, and the positioning column is adapted to a hole-groove structure on the shock absorber seat 11, in other embodiments, the positioning structure 211 may also be a hole-groove structure, and the hole-groove structure is adapted to the shape of the shock absorber seat 11.
In other embodiments, the entire holding device 200 may have other suitable structures, and the device for holding the workpiece is available in many fields, and those skilled in the art can design or select a suitable holding device 200 according to the specific needs.
Referring to fig. 14 to 15, in the present embodiment, the positioning device 400 includes two traverse members 410 and a traverse member driving mechanism 420, the two traverse members 410 are movably connected to the frame 100 in a laterally movable manner, the two traverse members 410 are disposed in a left-right correspondence, the positioning pawls 411 are disposed in two and oppositely disposed on the two traverse members 410 in a left-right direction, and the traverse member driving mechanism 420 is disposed on the frame 100 and can drive the two traverse members 410 to approach or move away from each other. After the product is assembled, the two positioning claws 411 can be driven to move away from each other by the traverse assembly driving mechanism 420, so that the product can be conveniently taken down. In this embodiment, the positioning pawl 411 is provided with a notch, and the positioning hole structure 401 is surrounded by the notch.
In this embodiment, the two traverse assemblies 410 are connected to the frame 100 by a pair of linear guides, so as to freely move in the lateral direction relative to the frame 100. In other embodiments, the movable connection between the traverse assembly 410 and the frame 100 may be achieved by other structures, such as a matching structure of a guide rod and a slide hole.
In this embodiment, the traverse assembly driving mechanism 420 includes a second cylinder 421, two second racks 422 and a second linkage gear 423, the two second racks 422 are respectively fixed on the two traverse assemblies 410, the two second racks 422 are arranged in parallel and have opposite tooth surfaces, the second linkage gear 423 is pivoted to the frame 100, the second linkage gear 423 is arranged between the two second racks 422 and is engaged with the two second racks 422, the second cylinder 421 is mounted on the frame 100, and a cylinder rod thereof is connected with one of the traverse assemblies 410 and can drive the traverse assembly 410 to move transversely. When the traverse unit 410 is driven by the second cylinder 421 to move laterally in one direction, the fixed second rack 422 transmits power to the other traverse unit 410 through the second linkage gear 423 and the other second rack 422, so that the other traverse unit 410 moves in the opposite direction, and the traverse units 410 can move closer to and away from each other, and the two positioning claws 411 can enclose the positioning hole structure 401. The two traverse moving assemblies 410 are driven to move by adopting the structure, only one driving power source can be arranged, so that the cost is saved, the volume is reduced, and meanwhile, the synchronism is good when the two traverse moving assemblies 410 move. In other embodiments, other configurations of traverse assembly driving mechanism 420 may be used, such as two air cylinders configured to drive the two traverse assemblies 410 to move, respectively. There are many mechanisms in the art for driving two members toward and away from each other, not illustrated here.
In this embodiment, two positioning pawls 411 are provided to enclose the positioning hole structure 401, in other embodiments, more than three positioning pawls 411 may be provided to enclose the positioning hole structure 401, when more than three positioning pawls 411 are adopted, the number of the lateral moving components is correspondingly set, and the traverse component driving mechanism 420 may adopt a plurality of air cylinders to drive the traverse components 410 to move in a one-to-one correspondence manner, or adopt one air cylinder to drive all the positioning pawls 411 to move synchronously through a linkage mechanism. There are many mechanisms in the art for driving the various members toward and away from each other, and those skilled in the art can design and select them as desired.
In this embodiment, the positioning pawl 411 is pivotally connected to the traverse assembly 410 to be angularly adjustable in order to accommodate different types of upper spring seats 5. In order to adjust the angle conveniently, the traversing assembly 410 is provided with a driving mechanism for driving the positioning pawl 411 to rotate so as to adjust the angle, the driving mechanism comprises a motor and a transmission mechanism, and the transmission mechanism can be driven by a worm gear.
Referring to fig. 16, in this embodiment, the cover plate rotation stopping device 600 includes a rotation stopping plate 610 and a Z-axis driver 630, the rotation stopping plate 610 is disposed on the upper side of the positioning pawl 411, the rotation stopping plate 610 is movably connected to the frame 100 and can move vertically, a handle 611 for driving the rotation stopping plate 610 to move is connected to the rotation stopping plate 610, the Z-axis driver 630 is connected to the frame 100 and has an output end connected to the rotation stopping plate 610 and can drive the rotation stopping plate 610 to move vertically, the Z-axis driver 630 has a braking structure so that the rotation stopping plate 610 can stay at a current vertical position when no external force is applied, and the rotation stopping plate 610 is provided with a rotation limiting structure 612 adapted to cooperate with the cover plate 6 and prevent the cover plate 6 from rotating.
When the cover plate 6 is assembled, the cover plate 6 is firstly placed on the upper end face of the upper spring seat 5, then the handle 611 is pulled to enable the rotation stop plate 610 to move downwards to be matched with the cover plate 6, the rotation limiting structure 612 on the rotation stop plate 610 limits the rotation freedom degree of the cover plate 6, and then the nut 7 is locked through the nut locking device 700. After the nut 7 is locked, the rotation stopping plate 610 can be moved upwards through the Z-axis driver 630, and the product can be conveniently taken down. Because the cover plate 6 is limited in the rotational degree of freedom, the nut 7 cannot drive the cover plate 6 to rotate when the nut locking device 700 locks the nut 7, and the locking process of the nut 7 is rapid and stable. In this embodiment, before the nut 7 is locked, the spacer ring 8 is sleeved on the upper end of the piston rod 12, and then the nut 7 is locked, so that the spacer ring 8 can play a role in preventing loosening.
In this embodiment, the rotation stopping plate 610 is movably connected to the frame 100 through the XZ-axis movable connection assembly 620 and can move horizontally and vertically, so that the position of the rotation stopping plate 610 can be conveniently adjusted, and the cover plate 6 of the shock absorber can be better adapted. In the present embodiment, two rotation stopping plates 610 and two Z-axis drivers 630 are disposed in parallel, the two rotation stopping plates 610 and the two Z-axis drivers 630 are disposed on the same XZ-axis movable connection assembly 620, and the rotation stopping plates 610 and the Z-axis drivers 630 of one of the two rotation stopping plates 610 and the Z-axis drivers 630 can be laterally switched and used through the handle 611, so as to adapt to different types of cover plates 6, for example, in the present embodiment, the two rotation stopping plates 610 are inclined at different angles, thereby adapting to cover plates 6 with different inclination angles. In this embodiment, the XZ-axis movable connection assembly 620 is formed by cross-connecting two linear guide rail pairs, and the two linear guide rail pairs form an XZ-axis movable platform. It should be understood that, in the present embodiment, the X axis is the left-right direction, and the Z axis is the up-down direction. In other embodiments, the XZ-axis movable connection assembly 620 may also be other structures capable of realizing the movement of the rotation stop plate 610 in the XZ plane, and a person skilled in the art can construct a structure capable of realizing the above functions to meet the movement requirement of the rotation stop plate 610. In other embodiments, if only one set of the rotation stopping plate 610 and the Z-axis driver 630 is provided, the rotation stopping plate 610 may be limited to move freely only in the Z-direction, and specifically, the rotation stopping plate 610 may be movably connected to the rack 100 through a linear guide pair. In this embodiment, the Z-axis driver 630 may be a pull rod type air cylinder with a brake, or another driver with a brake function.
In this embodiment, three columns protrude upwards from the upper end surface of the cover plate 6, and the rotation limiting structure 612 on the rotation stopping plate 610 can be configured as three through holes matching with the three columns. In other embodiments, the rotation limiting structure 612 can also be a positioning column structure or a positioning groove structure, as long as it can fit the cover plate 6 and make the cover plate 6 unable to rotate.
Referring to fig. 17, in the present embodiment, the nut locking device 700 includes a nut tightening gun 710 and a Z-axis moving platform 720, the nut tightening gun 710 is connected to the Z-axis moving platform 720, the Z-axis moving platform 720 is disposed on the frame 100 and can drive the nut tightening gun 710 to move up and down, the nut tightening gun 710 is located on the rotation stop plate 610, and the rotation stop plate 610 is provided with an avoiding hole 613 for the gun head of the nut tightening gun 710 to pass through. After the cover 6 is circumferentially positioned by the cover rotation stopper 600, the nut 7 is tightened by moving the nut tightening gun 710 downward by the Z-axis moving platform 720, and the nut tightening gun 710 is moved upward after the nut 7 is tightened. In this embodiment, the Z-axis moving platform 720 employs a linear moving pair driven by an air cylinder, and in other embodiments, the Z-axis moving platform 720 may also be a linear motor or a lead screw moving platform. In this embodiment, the nut tightening gun 710 may employ an electric or pneumatic electric screwdriver with a head adapted to the nut 7.
In the present embodiment, the upper spring seat 5 cannot pass through the positioning hole structure 401 as a whole, but its upper portion can be received in the positioning hole structure 401 to be positioned. The flange of the periphery of the upper spring seat 5 can be utilized, so that the shape and the size of the positioning hole structure 401 are smaller than the diameter of the flange and the diameter of the upper part of the upper spring seat 5 is matched, and the upper spring seat 5 can not integrally penetrate through the positioning hole structure 401 and can be positioned and vertically limited.
In this embodiment, the outer circumferential surface of the upper end of the guide sleeve 320 is a tapered surface. By providing the tapered surface, the guide sleeve 320 has good positioning performance when passing through the positioning hole structure 401.
In this embodiment, a vertically arranged guide bar 322 protrudes from the circumferential surface of the guide sleeve 320, the positioning hole structure 401 is adjacent to the positioning channel 402 communicated with the positioning hole structure, and the width of the guide bar 322 is adapted to the width of the positioning channel 402 and can pass through the positioning channel 402 from bottom to top. Through the cooperation of guide bar 322 and location passageway 402, uide bushing 320 is fixed a position circumferentially, prevents that uide bushing 320 from passing rotatory skew when locating hole structure 401 to improve the equipment accuracy. When the positioning claws 411 are close to and enclose the positioning hole structure 401, gaps are left between the positioning claws 411, and the gaps can be used as the positioning channels 402.
In the present embodiment, the guide sleeve 320 and the upper spring seat 5 are circumferentially positioned together and cannot rotate relative to each other after being connected. Through the arrangement, the upper spring seat 5 and the guide sleeve 320 are circumferentially positioned, and the upper spring seat 5 is positioned more accurately. The circumferential positioning of the positioning groove and the positioning block can be realized by correspondingly arranging the positioning groove and the positioning block on the guide sleeve 320 and the upper spring seat 5.
In this embodiment, the lower end of the guide sleeve 320 is fitted to the upper end of the upper spring seat 5 so as to be able to be inserted into the upper side of the upper spring seat 5. The guide sleeve 320 and the upper spring seat 5 are conveniently connected by adopting plug connection. In this embodiment, the lower end of the guide rod 310 is provided with a sleeve hole 311, and the guide rod 310 is sleeved on the upper end of the piston rod 12 through the sleeve hole 311 so as to form a coaxial connection relationship with the piston rod 12. The sleeved hole 311 is connected with the piston rod 12, so that the connection is convenient.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A method of assembling a shock absorber assembly, comprising the steps of:
step S1: providing a shock absorber (1) and a clamping device (200), wherein the shock absorber (1) comprises a shock absorber base body (11) and a piston rod (12), the upper end of the piston rod (12) is provided with a thread, and a lower spring seat (13) is arranged on the shock absorber base body (11); vertically placing the shock absorber (1) on the clamping device (200), enabling the piston rod (12) to face upwards, and clamping and fixing the shock absorber seat body (11) by using the clamping device (200);
step S2: providing a buffer block (2), a spring (3), a dustproof sleeve (4), an upper spring seat (5), a guide rod (310) and a guide sleeve (320), wherein a central hole (321) is formed in the guide sleeve (320), and the guide rod (310) is matched with the central hole (321) and can be in sliding fit with the central hole; sleeving the buffer block (2) on the piston rod (12), coaxially connecting the lower end of the guide rod (310) to the upper end of the piston rod (12), sleeving the spring (3), the dustproof sleeve (4) and the upper spring seat (5) on the outer sides of the piston rod (12) and the guide rod (310), enabling the spring (3) and the dustproof sleeve (4) to be located between the lower spring seat (13) and the upper spring seat (5), connecting the guide sleeve (320) to the upper end of the upper spring seat (5), and enabling the guide rod (310) to penetrate through a center hole (321) of the guide sleeve (320);
step S3: providing a positioning device (400), wherein the positioning device (400) is provided with at least two positioning claws (411), the positioning claws (411) can approach or depart from each other and enclose a positioning hole structure (401) after approaching to each other, the positioning hole structure (401) is matched with the guide sleeve (320) and can allow the guide sleeve (320) to pass through from bottom to top, and the positioning hole structure (401) is matched with the upper part of the upper spring seat (5) and can vertically limit the upper spring seat (5) so that the upper spring seat (5) cannot integrally pass through from bottom to top; enclosing the positioning claw (411) above the guide sleeve (320) to form the positioning hole structure (401), approaching the clamping device (200) and the positioning device (400) to each other to enable the guide sleeve (320) to penetrate through the positioning hole structure (401) from bottom to top, continuing to enable the clamping device (200) and the positioning device (400) to approach each other after the upper portion of the upper spring seat (5) enters the positioning hole structure (401) to compress the spring (3), and stopping approaching the clamping device (200) and the positioning device (400) to each other after the spring (3) obtains a preset compression amount;
step S4: taking away the guide rod (310) and the guide sleeve (320), providing a cover plate (6) and a nut (7), installing the cover plate (6) at the upper end of the upper spring seat (5) to enable the piston rod (12) to penetrate through the cover plate (6), and locking the cover plate (6) at the upper end of the piston rod (12) by using the nut (7).
2. The method of assembling a shock absorber assembly according to claim 1, wherein: step S4 further includes: providing a cover plate rotation stopping device (600) and a nut locking device (700), circumferentially positioning the cover plate (6) through the cover plate rotation stopping device (600), screwing the nut (7) to the upper end of the piston rod (12) in advance, and locking the nut (7) through the nut locking device (700).
3. The method of assembling a shock absorber assembly according to claim 1 or 2, wherein: in step S3, the vertical position of the positioning device (400) is kept fixed, and the gripping device (200) and the positioning device (400) are brought close to each other by lifting the position of the gripping device (200) by the lifting drive device (500).
4. The method of assembling a shock absorber assembly according to claim 3, wherein: the clamping device (200), the positioning device (400), the lifting driving device (500), the cover plate rotation stopping device (600) and the nut locking device (700) are arranged on a rack (100).
5. The method of assembling a shock absorber assembly according to claim 4, wherein: clamping device (200) includes base (210), two gripper jaw subassemblies (220) and gripper jaw subassembly actuating mechanism (230), base (210) swing joint in frame (100) and can reciprocate, base (210) with lift drive (500) are connected and can be by lift drive (500) drive and reciprocate, be provided with on base (210) and fix a position location structure (211) of bumper shock absorber pedestal (11), two gripper jaw subassembly (220) can transversely move ground swing joint in base (210), two gripper jaw subassembly (220) correspond the setting from left to right, two all be provided with gripper jaw (221) on gripper jaw subassembly (220), two gripper jaw (221) are relative setting from left to right, gripper jaw subassembly actuating mechanism (230) set up in base (210), gripper jaw subassembly actuating mechanism (230) can drive two gripper jaw subassembly (220) are close to each other or gripper jaw subassembly (220) are close to each other or move to each other The clamping claws (221) are far away from each other so as to clamp or release the shock absorber seat body (11).
6. The method of assembling a shock absorber assembly according to claim 4, wherein: the positioning device (400) comprises two traverse moving assemblies (410) and traverse moving assembly driving mechanisms (420), the two traverse moving assemblies (410) are movably connected to the rack (100) in a transverse moving mode, the two traverse moving assemblies (410) are correspondingly arranged on the left and the right, the positioning claws (411) are arranged on the two traverse moving assemblies (410) in a left-right opposite mode, and the traverse moving assembly driving mechanisms (420) are arranged on the rack (100) and can drive the two traverse moving assemblies (410) to be close to or far away from each other.
7. The method of assembling a shock absorber assembly according to claim 4, wherein: the cover plate rotation stopping device (600) comprises a rotation stopping plate (610) and a Z-axis driver (630), the rotation stopping plate (610) is arranged on the upper side of the positioning claw (411), the rotation stopping plate (610) is movably connected to the rack (100) and can move vertically, the rotation stopping plate (610) is connected with a handle (611) for driving the rotation stopping plate (610) to move, the Z-axis driver (630) is connected to the frame (100) and the output end of the Z-axis driver is connected with the rotation stopping plate (610) so as to drive the rotation stopping plate (610) to move vertically, the Z-axis driver (630) has a braking structure so that the anti-rotation plate (610) can stay at a current vertical position when no external force is applied, the rotation stopping plate (610) is provided with a rotation limiting structure (612) which is suitable for being matched with the cover plate (6) and preventing the cover plate (6) from rotating.
8. The method of assembling a shock absorber assembly according to claim 7, wherein: nut locking device (700) include nut tightening gun (710) and Z axle moving platform (720), nut tightening gun (710) connect in Z axle moving platform (720), Z axle moving platform (720) set up in frame (100) can drive nut tightening gun (710) reciprocates, nut tightening gun (710) are located the upside of only changeing board (610), be provided with the confession on only changeing board (610) the rifle head of nut tightening gun (710) passes dodge hole (613).
9. The method of assembling a shock absorber assembly according to claim 1, wherein: the outer peripheral surface of the upper end of the guide sleeve (320) is a conical surface.
10. The method of assembling a shock absorber assembly according to claim 1, wherein: the peripheral surface of the guide sleeve (320) is provided with a vertically arranged guide strip (322) in a protruding mode, the positioning hole structure (401) is adjacent to a positioning channel (402) communicated with the positioning hole structure, and the width of the guide strip (322) is matched with the width of the positioning channel (402) and can penetrate through the positioning channel (402) from bottom to top; the guide sleeve (320) and the upper spring seat (5) are circumferentially positioned together and cannot rotate relatively after being connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010218133.1A CN111360534B (en) | 2020-03-25 | 2020-03-25 | Method of assembling a shock absorber assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010218133.1A CN111360534B (en) | 2020-03-25 | 2020-03-25 | Method of assembling a shock absorber assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111360534A true CN111360534A (en) | 2020-07-03 |
| CN111360534B CN111360534B (en) | 2021-07-09 |
Family
ID=71202987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010218133.1A Active CN111360534B (en) | 2020-03-25 | 2020-03-25 | Method of assembling a shock absorber assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111360534B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111890268A (en) * | 2020-07-15 | 2020-11-06 | 温州市坂特车业部件有限公司 | Automatic mistake-proofing external connection assembling device and method for automobile shock absorber |
| CN113909866A (en) * | 2021-09-13 | 2022-01-11 | 四川宁江山川机械有限责任公司 | Shock absorber pillar spring mounting device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001062750A (en) * | 1999-08-25 | 2001-03-13 | Toyota Motor Corp | Device and method for installing coil spring |
| JP2003011862A (en) * | 2001-07-04 | 2003-01-15 | Chuo Spring Co Ltd | Method and device for assembling coil spring to shock absorber |
| CN202174404U (en) * | 2011-07-13 | 2012-03-28 | 上海华普汽车有限公司 | Shock absorber assembly platform |
| CN108526843A (en) * | 2018-06-06 | 2018-09-14 | 广州昭和汽车零部件有限公司 | A kind of damper preloading spring kludge |
| CN109227124A (en) * | 2018-11-16 | 2019-01-18 | 银川西部大森数控技术有限公司 | A kind of automobile absorber general assembly device and assembly method |
| CN109277819A (en) * | 2018-10-24 | 2019-01-29 | 宁波市百孚车业有限公司 | The assembly method of ZD45S006 type automobile absorber |
| CN110449867A (en) * | 2019-07-05 | 2019-11-15 | 四川中志融创科技有限公司 | A kind of absorber spring nut constant moment of force assembly system |
-
2020
- 2020-03-25 CN CN202010218133.1A patent/CN111360534B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001062750A (en) * | 1999-08-25 | 2001-03-13 | Toyota Motor Corp | Device and method for installing coil spring |
| JP2003011862A (en) * | 2001-07-04 | 2003-01-15 | Chuo Spring Co Ltd | Method and device for assembling coil spring to shock absorber |
| CN202174404U (en) * | 2011-07-13 | 2012-03-28 | 上海华普汽车有限公司 | Shock absorber assembly platform |
| CN108526843A (en) * | 2018-06-06 | 2018-09-14 | 广州昭和汽车零部件有限公司 | A kind of damper preloading spring kludge |
| CN109277819A (en) * | 2018-10-24 | 2019-01-29 | 宁波市百孚车业有限公司 | The assembly method of ZD45S006 type automobile absorber |
| CN109227124A (en) * | 2018-11-16 | 2019-01-18 | 银川西部大森数控技术有限公司 | A kind of automobile absorber general assembly device and assembly method |
| CN110449867A (en) * | 2019-07-05 | 2019-11-15 | 四川中志融创科技有限公司 | A kind of absorber spring nut constant moment of force assembly system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111890268A (en) * | 2020-07-15 | 2020-11-06 | 温州市坂特车业部件有限公司 | Automatic mistake-proofing external connection assembling device and method for automobile shock absorber |
| CN113909866A (en) * | 2021-09-13 | 2022-01-11 | 四川宁江山川机械有限责任公司 | Shock absorber pillar spring mounting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111360534B (en) | 2021-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111360534B (en) | Method of assembling a shock absorber assembly | |
| CN111331359B (en) | Shock absorber assembly assembling machine | |
| CN111770810A (en) | End effector and robot thereof | |
| CN219704876U (en) | Shock absorber piston rod assembly fixture | |
| CN113927283A (en) | Watch screw rear cover automatic assembling machine and assembling method | |
| KR101607449B1 (en) | Assembling device of torsion spring for automobile seat | |
| CN114029991A (en) | Clamping jaw device and industrial robot with same | |
| KR100747046B1 (en) | Clamping and rotating apparatus for assembling steering devices | |
| CN113145706B (en) | Gas spring packaging device | |
| CN113664496B (en) | Full-automatic intelligent assembly equipment of magnetic encoder | |
| CN112975352B (en) | Piston valve mounting device of shock absorber | |
| JP2688228B2 (en) | Clamping device | |
| CN112975857B (en) | Shock absorber piston valve installation method, device, system and storage medium | |
| CN109128756B (en) | XY is to separately clamping mechanism that floats | |
| CN109048292B (en) | Pin shaft assembly equipment | |
| CN220783817U (en) | Assembling device for lifting torsion spring of automobile seat | |
| CN217551241U (en) | Automatic accurate machining positioning device for high-precision die machining | |
| CN214030786U (en) | Tail jacking clamp of winding machine | |
| CN210790877U (en) | Frock detects anchor clamps platform | |
| CN211387615U (en) | Automatic assembling machine for automobile engine cylinder body parts | |
| CN216681002U (en) | Full-automatic screw locking machine | |
| CN209754451U (en) | Clutch positioning device for clutch device | |
| CN212527504U (en) | Spacing pressure equipment device of dust cover | |
| CN219093642U (en) | Small lathe | |
| CN214603018U (en) | Shock absorber equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |