CN111015176B - Press-fitting tool and press-fitting method for automobile buffer built-in part - Google Patents
Press-fitting tool and press-fitting method for automobile buffer built-in part Download PDFInfo
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- CN111015176B CN111015176B CN201911420371.4A CN201911420371A CN111015176B CN 111015176 B CN111015176 B CN 111015176B CN 201911420371 A CN201911420371 A CN 201911420371A CN 111015176 B CN111015176 B CN 111015176B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
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Abstract
The invention provides a press-fitting tool and a press-fitting method for an automobile buffer built-in part, and belongs to the technical field of automobile buffer built-in part manufacturing. It has solved the problem that current preparation car buffer embeds an inefficiency. The invention relates to a press fitting tool for an automobile buffer built-in part, which comprises an expanding mechanism, a base and a pressing mechanism. According to the invention, the built-in ring can be directly expanded through the matching action of the pressing mechanism and the expanding mechanism, and the built-in ring with the expanded diameter is sleeved on the built-in core, so that the built-in core is automatically clamped in the built-in sleeve, and thus, the automatic assembly of the built-in part of the automobile buffer can be realized, and the assembly efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of manufacturing of automobile buffer built-in parts, and relates to a press-fitting tool and a press-fitting method for the automobile buffer built-in parts.
Background
The automobile buffer is a rubber product with high elasticity and high toughness, and belongs to automobile refitting accessories. The automobile buffer is used for being installed at a spiral spring of an automobile suspension system, mainly plays a role in buffering and shock absorption and protects a shock absorber, and the automobile buffer plays a core role in being provided with a built-in part which consists of a built-in core and a built-in ring, and the built-in core is clamped in the built-in ring.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an efficient press-fitting tool for an automobile buffer built-in part.
The purpose of the invention can be realized by the following technical scheme: a pressure equipment frock for car bumper built-in, includes:
a base;
the expanding mechanism is elastically connected with the base;
the pressing mechanism is elastically arranged on the expanding mechanism; pressing means includes the pressure head, the border department of going up the pressure head encloses around its central axis and is equipped with a plurality of clamp plates, each the clamp plate is through same elastic ring elastic connection, it has elastic gasket to go up to set up in the pressure head.
In the press fitting tool for the automobile buffer built-in part, the diameter expanding mechanism comprises a guide sleeve and an elastic assembly, and the elastic assembly is movably arranged on one side, close to the base, of the guide sleeve.
In the press fitting tool for the automobile buffer built-in part, the elastic assembly comprises a pressing sleeve, a connecting ring is arranged in the pressing sleeve, a spring is sleeved on the connecting ring, and a limiting bolt is detachably connected in the connecting ring.
In the press fitting tool for the automobile buffer built-in part, the accommodating cavity for installing the pressing sleeve and the limiting hole for penetrating the limiting bolt are formed in the guide sleeve, one end of the spring abuts against the bottom of the accommodating cavity, and the other end of the spring abuts against the pressing sleeve.
In the press fitting tool for the automobile buffer built-in part, the guide sleeve consists of an upper sleeve ring, an expanding sleeve and a lower sleeve ring, the upper sleeve ring is connected with the lower sleeve ring through the expanding sleeve, the diameter of the side surface of the expanding sleeve is gradually increased from one end close to the upper sleeve ring to one end of the lower sleeve ring, and a containing groove communicated with the containing cavity is formed in the lower sleeve ring.
In the press fitting tool for the automobile buffer built-in part, the base is provided with the positioning core, the positioning core is provided with the lower bulge, and the bottom end of the pressing sleeve is provided with the upper bulge corresponding to the lower bulge.
A press fitting method of a press fitting tool for an automobile buffer built-in part is characterized by comprising the following steps:
s1, sleeving a built-in sleeve on the upper lantern ring, and installing a built-in core on the positioning core;
s2, mounting the expanding mechanism on the base, and enabling the upper bulge to be in contact with the lower bulge and to be positioned right above the lower bulge;
s3, the upper pressure head is pushed downwards, the pressure plate pushes the built-in sleeve to move along the upper lantern ring, the expanding sleeve and the lower lantern ring in sequence, meanwhile, the pressure sleeve is inserted into the containing cavity, the spring is stressed and compressed until the built-in core is embedded into the containing groove, the lower end of the built-in sleeve props against the side face of the positioning core, and the gasket is extruded with the upper lantern ring;
s4, the upper pressure head is lifted upwards, the gasket pushes the upper lantern ring outwards because the lower end of the built-in sleeve hooks the lower end face of the built-in core, and meanwhile, the spring is reset so that the upper bulge and the lower bulge are always in contact with each other, and the built-in core is always positioned on the positioning core;
and S5, when the pressure plate is separated from the guide sleeve and the pressure sleeve is elastically reset, the upper end of the built-in sleeve is separated from the lower lantern ring and is contacted with the upper end surface of the built-in core, so that the built-in core is clamped in the built-in sleeve.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the built-in ring can be directly expanded through the matching action of the pressing mechanism and the expanding mechanism, and the built-in ring with the expanded diameter is sleeved on the built-in core, so that the built-in core is automatically clamped in the built-in sleeve, and thus, the automatic assembly of the built-in part of the automobile buffer can be realized, and the assembly efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
Fig. 2 is a cross-sectional view at a-a in fig. 1.
Fig. 3 is a schematic structural view showing the structure in which the built-in sleeve is placed on the expanding mechanism and the built-in core is placed on the base.
Fig. 4 is an action diagram of the pressing mechanism pushing the inner ring to move downwards.
Fig. 5 is a diagram illustrating the operation of raising the pressing mechanism.
Fig. 6 is a schematic structural view after the press-fitting work is reset.
Fig. 3 to 6 are diagrams illustrating the whole operation of automatically clamping the internal core of the internal core in the internal sleeve by the press-fitting tool.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 6, the press-fitting tool for the automobile bumper built-in part of the invention comprises an expanding mechanism 200, a base 100 and a pressing mechanism 300.
The automobile buffer built-in part comprises a built-in ring 500 and a built-in core 400, wherein the built-in core 400 is clamped in the built-in ring 500, an upper ring 510 and a lower ring 520 for preventing the built-in core 400 from being separated from the built-in ring 500 are arranged in the built-in ring 500, a ring groove 530 for accommodating the built-in ring 500 is further formed in the built-in ring 500, and the built-in ring 500 is made of a polyurethane material which has the following excellent characteristics of (1) wide adjustable range of performance and strong adaptability and (2) good wear resistance; (3) the mechanical strength is high; (4) the bonding performance is good; (5) the elasticity is good, and the recovery performance is excellent, so that the method can be used for dynamic seams; (6) the flexibility is good at low temperature; (7) the weather resistance is good, and the service life is as long as 15-20 years; (8) the oil resistance is good; (9) biological aging resistance; (10) the price is moderate; the gasket 330, the pressure plate 320 and the elastic ring 320 are made of rubber material, and the rubber material has certain elasticity and flexibility.
The expanding mechanism 200 is elastically connected with the base 100, the pressing mechanism 300 is elastically mounted on the expanding mechanism 200, when mounting, one needs to sleeve the built-in core 400 on the upper end of the expanding mechanism 200, position the built-in core 400 on the base 100, position the expanding mechanism 200 on the base 100, then push the pressing mechanism 300 downwards, make the pressing mechanism 300 push the built-in sleeve to move along the side of the expanding mechanism 200, make the elastic deformation of the built-in ring 500, that is, the diameter length of the built-in ring 500 is increased, at the same time, the elastic force is generated between the lower end of the expanding mechanism 200 and the base 100, and the built-in core 400 is embedded in the expanding mechanism 200, when the built-in ring 500 is lowered to a certain height, at this time, the diameter of the built-in ring 500 is larger than the diameter of the built-in core 400, make the lower ring 520 of the built-in sleeve abut against the base 100 and the lower end face of the built-in core 400 is hooked by the lower, meanwhile, the diameter expanding mechanism 200 is automatically separated from the pressing mechanism 300, in the process, the lower end of the diameter expanding mechanism 200 is always in elastic connection with the base 100, the built-in core 400 is located between the diameter expanding mechanism 200 and the base 100, so that the built-in core 400 is pushed out by the diameter expanding mechanism 200, the built-in core 400 is prevented from being separated from the base 100 in the process that the pressing mechanism 300 drives the diameter expanding mechanism 200 to move upwards, when the pressing mechanism 300 is separated from the diameter expanding mechanism 200 and the bottom end of the diameter expanding mechanism 200 is elastically reset, the upper ring 510 of the built-in sleeve is contacted with the upper end face of the built-in core 400 from the diameter expanding mechanism 200, the built-in core 400 is automatically clamped in the built-in sleeve, and therefore, the automatic assembly of the automobile buffer built-in part can be achieved, and the assembly efficiency is improved.
The expanding mechanism 200 comprises a guide sleeve 210 and an elastic component 220, wherein the elastic component 220 is movably arranged on one side of the guide sleeve 210 close to the base 100, and in the process of sleeving the built-in core 400 on the built-in sleeve, the guide sleeve 210 is elastically connected with the base 100 through the elastic component 220, so that the built-in core 400 is always positioned on the base 100 in the process.
The elastic component 220 comprises a pressing sleeve 221, a connecting ring 222 is arranged in the pressing sleeve 221, a spring 223 is sleeved on the connecting ring 222, a limit bolt 224 is detachably connected in the connecting ring 222, an accommodating cavity 211 for installing the pressing sleeve 221 and a limit hole 212 for penetrating the limit bolt 224 are formed in the guide sleeve 210, one end of the spring 223 abuts against the bottom of the accommodating cavity 211, the other end of the spring 223 abuts against the pressing sleeve 221, a through hole (not marked in the figure) for penetrating the limit bolt 224 is formed in the guide sleeve 210, the through hole communicates the limit hole 212 with the accommodating cavity 211, the diameter of the limit hole 212 is larger than that of the through hole (not marked in the figure), when in installation, the pressing sleeve 221 needs to be inserted into the accommodating cavity 211, then, the limit passes through the limit hole 212 and is inserted into the accommodating cavity 211, and only the end part of the limit bolt 224 connected with the connecting ring 222 is provided with threads, so that in the process that the pressing sleeve 221 moves relative to, the limit bolt 224 also moves synchronously with the pressing sleeve 221, further, when the pressing sleeve 221 moves towards the inside of the accommodating cavity 211 under the action of force, the spring 223 is compressed under the action of force, so that elastic force is generated between the pressing sleeve 221 and the guide sleeve 210, when the acting force acting on the pressing sleeve 221 is removed, the pressing sleeve 221 is pushed out from the accommodating cavity 211 under the action of the elastic force of the spring 223, meanwhile, the diameter of one end, far away from the connecting ring 222, of the limit bolt 224 is larger than that of the through hole, so that the end, with the larger diameter, of the limit bolt 224 abuts against the bottom of the limit hole 212, and the pressing sleeve 221 is prevented from being separated from the accommodating cavity 211, and therefore, the limit bolt can be used.
The guide sleeve 210 is composed of an upper sleeve ring 213, an expanding sleeve 214 and a lower sleeve ring 215, the upper sleeve ring 213 is connected with the lower sleeve ring 215 through the expanding sleeve 214, the diameter of the side surface of the expanding sleeve 214 is gradually increased from one end close to the upper sleeve ring 213 to one end of the lower sleeve ring 215, a containing groove 215a communicated with the containing cavity 211 is arranged in the lower sleeve ring 215, a positioning core 110 is arranged on the base 100, a lower bulge 111 is arranged on the positioning core 110, an upper bulge 221a corresponding to the lower bulge 111 is arranged at the bottom end of the pressing sleeve 221, in the process of clamping the built-in core 400 into the built-in sleeve, one needs to place the built-in core 400 on the lower bulge 111, so that the lower bulge 111 is inserted into the built-in core 400, so that the built-in core 400 is positioned and installed on the base 100, then the expanding mechanism 200 is placed on the base 100, so that the upper bulge 221a is also inserted into the built-in core 400, and the upper bulge 221a is, then, the pressing mechanism 300 pushes the inner sheath to move from the side surfaces of the upper sleeve ring 213, the expanding sleeve 214 and the lower sleeve ring 215, and because the upper sleeve ring 213 is connected with the lower sleeve ring 215 through the expanding sleeve 214, the diameter of the side surface of the expanding sleeve 214 is gradually increased from one end close to the upper sleeve ring 213 to one end of the lower sleeve ring 215, the inner sheath has good elasticity and has good resilience, so that the diameter of the inner sheath is gradually increased in the process that the inner sheath is pushed by the pressing mechanism 300, and when the inner sheath moves onto the lower sleeve ring 215, the diameter of the inner sheath is larger than that of the inner core 400, and in the process, the spring 223 is compressed by force, the pressing sleeve 221 moves towards the inside of the accommodating cavity 211, it can also be understood that the guide sleeve 210 moves downwards relative to the pressing sleeve 221, so that the inner core 400 between the pressing sleeve 221 and the base 100 is inserted into the corresponding accommodating groove 215a, and then the pressing plate 320 is pushed downwards continuously, the lower ring 520 on the lower ring 215 slides down to the position between the base 100 and the inner core 400, because the inner ring 500 has good resilience and elasticity, the lower ring 520 is tightly attached to the side surface of the positioning core 110, when a person lifts the pressing mechanism 300 upwards, the pressing sleeve 221 is in contact connection with the lower protrusion 111 through the upper protrusion 221a, the pressing sleeve 221 is separated from the accommodating cavity 211, the inner core 400 is separated from the accommodating groove 215a, because the base 100 is stationary, the pressing sleeve 221 pushes the guide sleeve 210 to move upwards through the spring 223, and the lower ring 520 at the moment is fastened to the lower end surface of the inner core 400, so that the upper ring 510 slides down from the lower ring 215 and is fastened to the upper end surface of the inner core 400, and in the process, the bottom end of the pressing sleeve 221 always abuts against the upper end surface of the inner core 400, so that the inner core 400 is always located on the base 100 through the lower protrusion 111, that is, the inner core 400 is prevented from being separated from the base 100, and when the spring 223 is completely restored, one can take up the guide sleeve 210 from the base 100, thereby completing the automatic engagement of the inner core 400 into the ring groove 530 of the inner ring 500.
The pressing mechanism 300 comprises an upper pressing head 310, a plurality of pressing plates 320 are arranged around the central axis of the upper pressing head 310 at the edge of the upper pressing head 310, each pressing plate 320 is elastically connected through the same elastic ring 320, an elastic gasket 330 is arranged in the upper pressing head 310, when people clamp the built-in core 400 into the built-in ring 500, the upper pressing head 310 needs to be pushed downwards, the pressing plates 320 push the built-in sleeve to move along the upper lantern ring 213, the diameter-expanding sleeve 214 and the lower lantern ring 215 in sequence, so that the diameter of the built-in ring 500 is expanded, meanwhile, the pressing plates 320 are expanded outwards, the elastic rings 320 are expanded outwards, so that the elastic rings 320 generate certain elastic force, when the pressing plates 320 push the built-in ring 500 to the lower lantern ring 215, the diameter of the built-in ring 500 is larger than that of the built-in core 400, the upper lantern ring 213 and the gasket 330 are squeezed, so that elastic force is generated between the upper lantern ring 213 and the gasket 330, after that the pressing plates 320, when a person lifts the upper pressing head 310 upwards, the gasket 330 has certain elasticity and flexibility, and a certain pressing force is provided between the gasket 330 and the upper collar 213, so that when the person lifts the upper pressing head 310, the gasket 330 pushes the upper collar 213 out of the pressing mechanism 300, at the same time, the spring 223 and the elastic ring 320 are simultaneously reset, so that the upper protrusion 221a and the lower protrusion 111 are always in contact, the internal core 400 is always positioned on the positioning core 110, the pressing plate 320 is subjected to the elastic force of the elastic ring 320, so that the pressing plate 320 is folded towards the middle, when the pressing mechanism 300 is completely lifted from the guide sleeve 210, the elastic component 220 is just reset, and at the moment, the upper pressing head 310 is in contact with the lower pressing head, the bottom surface of the pressing sleeve 221 abuts against the upper end surface of the internal core 400, so that the internal core 400 is always positioned on the base 100.
The invention discloses a press fitting method of a press fitting tool for an automobile buffer built-in part, which comprises the following steps:
s1, the upper lantern ring 213 is sleeved with the built-in sleeve, the positioning core 110 is provided with the built-in core 400, and the lower protrusion 111 is inserted into the built-in core 400, so that the built-in core 400 is positioned and installed on the positioning core 110;
s2, mounting the expanding mechanism 200 on the base 100, with the upper protrusion 221a contacting the lower protrusion 111, and with the upper protrusion 221a being located directly above the lower protrusion 111, and with the lower end face of the pressing sleeve 221 contacting the upper end face of the built-in core 400;
s3, the upper press head 310 is pushed downward, so that the press plate 320 pushes the built-in sleeve to move along the side surfaces of the upper collar 213, the diameter-expanding sleeve 214 and the lower collar 215 in sequence, thereby expanding the diameter of the built-in ring 500, meanwhile, the press sleeve 221 moves toward the inside of the accommodating cavity 211, and the spring 223 is compressed under force, that is, the guide sleeve 210 moves downward relative to the base 100 until the built-in core 400 is embedded into the accommodating groove 215a, when the press plate 320 pushes the built-in ring 500 to the lower collar 215, the diameter of the built-in ring 500 is larger than that of the built-in core 400, the press plate 320 is pushed downward continuously, so that the lower ring 520 on the lower collar 215 slides down between the base 100 and the built-in core 400, because the built-in ring 500 has good resilience and elasticity, the lower ring 520 is made to cling to the side surface of the positioning core 110, the gasket 330 is pressed against the upper;
s4, the upper press head 310 is lifted upwards, the lower end of the built-in sleeve hooks the lower end face of the built-in core 400, the gasket 330 pushes the upper lantern ring 213 outwards, meanwhile, the spring 223 and the elastic ring 320 reset simultaneously, so that the upper bulge 221a and the lower bulge 111 are contacted all the time, the built-in core 400 is positioned on the positioning core 110 all the time, the press plate 320 is under the elastic action of the elastic ring 320, the press plate 320 is folded towards the middle, the upper press head 310 and the lower press head are contacted all the time, the bottom surface of the press sleeve 221 abuts against the upper end face of the built-in core 400, and the built-in core 400 is positioned on the base 100 all the time;
s5, when the pressing plate 320 is separated from the guide sleeve 210 and the pressing sleeve 221 is elastically restored by the spring 223, the upper ring 510 of the inner sleeve is separated from the lower ring 215 and contacts with the upper end surface of the inner core 400, so that the inner core 400 is clamped in the inner sleeve.
By adopting the press fitting tool, the built-in core 400 is automatically clamped in the built-in sleeve, so that the built-in part of the automobile buffer can be automatically assembled, and the assembling efficiency is improved.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (5)
1. A press fitting method of a press fitting tool for an automobile buffer built-in part comprises the following steps:
the base is provided with a positioning core, the positioning core is provided with a lower bulge, and a built-in core is placed on the lower bulge;
the expanding mechanism is elastically connected with the base;
the pressing mechanism is elastically arranged on the diameter expanding mechanism and comprises an upper pressing head, a plurality of pressing plates are arranged at the edge of the upper pressing head around the central axis of the upper pressing head, the pressing plates are elastically connected through the same elastic ring, and an elastic gasket is arranged in the upper pressing head;
the diameter expanding mechanism comprises a guide sleeve and an elastic assembly, wherein the guide sleeve consists of an upper sleeve ring, a diameter expanding sleeve and a lower sleeve ring; the elastic assembly comprises a pressing sleeve, a connecting ring is arranged in the pressing sleeve, a spring is sleeved on the connecting ring, and an upper bulge corresponding to the lower bulge is arranged at the bottom end of the pressing sleeve; an accommodating cavity for installing the pressing sleeve is formed in the guide sleeve; the press fitting method of the press fitting tool is characterized by further comprising the following press fitting steps:
s1, sleeving a built-in sleeve on the upper lantern ring, and installing a built-in core on the positioning core;
s2, mounting the expanding mechanism on the base, and enabling the upper bulge to be in contact with the lower bulge and to be positioned right above the lower bulge;
s3, the upper pressure head is pushed downwards, the pressure plate pushes the built-in sleeve to move along the upper lantern ring, the expanding sleeve and the lower lantern ring in sequence, meanwhile, the pressure sleeve is inserted into the containing cavity, the spring is stressed and compressed until the built-in core is embedded into the containing groove, the lower end of the built-in sleeve props against the side face of the positioning core, and the gasket is extruded with the upper lantern ring;
s4, the upper pressure head is lifted upwards, the gasket pushes the upper lantern ring outwards because the lower end of the built-in sleeve hooks the lower end face of the built-in core, and meanwhile, the spring is reset so that the upper bulge and the lower bulge are always in contact with each other, and the built-in core is always positioned on the positioning core;
and S5, when the pressure plate is separated from the guide sleeve and the pressure sleeve is elastically reset, the upper end of the built-in sleeve is separated from the lower lantern ring and is contacted with the upper end surface of the built-in core, so that the built-in core is clamped in the built-in sleeve.
2. A press-fitting method of a press-fitting tool for a built-in part of an automobile bumper as claimed in claim 1, wherein the elastic component is movably mounted on one side of the guide sleeve close to the base.
3. A press fitting method of a press fitting tool for an automobile bumper built-in part according to claim 2, characterized in that a limiting bolt is detachably connected in the connecting ring.
4. A press fitting method of a press fitting tool for an automobile bumper built-in part according to claim 3, characterized in that a limiting hole for a limiting bolt to penetrate is formed in the guide sleeve, one end of the spring abuts against the bottom of the accommodating cavity, and the other end of the spring abuts against the press sleeve.
5. A press-fitting method of a press-fitting tool for an automobile bumper built-in part according to claim 4, characterized in that the upper sleeve ring is connected with the lower sleeve ring through an expanding sleeve, the diameter of the side face of the expanding sleeve is gradually increased from one end close to the upper sleeve ring to one end of the lower sleeve ring, and a containing groove communicated with the containing cavity is formed in the lower sleeve ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911420371.4A CN111015176B (en) | 2019-12-31 | 2019-12-31 | Press-fitting tool and press-fitting method for automobile buffer built-in part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911420371.4A CN111015176B (en) | 2019-12-31 | 2019-12-31 | Press-fitting tool and press-fitting method for automobile buffer built-in part |
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| CN111015176A CN111015176A (en) | 2020-04-17 |
| CN111015176B true CN111015176B (en) | 2021-04-30 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111604665A (en) * | 2020-05-18 | 2020-09-01 | 安徽航瑞航空动力装备有限公司 | Pipe part assembling process |
| CN112518293B (en) * | 2020-12-03 | 2022-03-11 | 宁波普锐明汽车零部件有限公司 | Automatic press-fitting line of shock absorber buffering core piece |
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|---|---|
| CN111015176A (en) | 2020-04-17 |
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