CN118149267B - Automatic inflation detection integrated equipment and inflation method for gas spring with high compatibility - Google Patents
Automatic inflation detection integrated equipment and inflation method for gas spring with high compatibility Download PDFInfo
- Publication number
- CN118149267B CN118149267B CN202410590056.0A CN202410590056A CN118149267B CN 118149267 B CN118149267 B CN 118149267B CN 202410590056 A CN202410590056 A CN 202410590056A CN 118149267 B CN118149267 B CN 118149267B
- Authority
- CN
- China
- Prior art keywords
- sealing
- inflation
- cylinder
- cylinder rod
- supporting plate
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 124
- 238000012544 monitoring process Methods 0.000 claims abstract description 38
- 230000000149 penetrating effect Effects 0.000 claims abstract description 9
- 238000009423 ventilation Methods 0.000 claims description 30
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000001939 inductive effect Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 68
- 238000010586 diagram Methods 0.000 description 6
- 238000009530 blood pressure measurement Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000013072 incoming material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/043—Pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a high-compatibility automatic inflation detection integrated device for a gas spring and an inflation method, wherein the automatic inflation detection integrated device comprises a sealing inflation assembly, a feeding module, a pressure monitoring module and a cylinder rod clamping module; the sealing inflation assembly is provided with a penetrating channel which penetrates up and down, a cylinder barrel sealing ring and a cylinder rod sealing ring are arranged in the penetrating channel, a sealing cavity is formed at the periphery of the gas spring through the cylinder barrel sealing ring and the cylinder rod sealing ring, and the sealing cavity is communicated with the inflation device; the feeding module comprises a first supporting plate and a second supporting plate which move up and down, a cylinder barrel clamping assembly and a first cylinder rod clamping assembly are fixed on the second supporting plate, and a limiting bearing groove for bearing a gas spring is formed in the first supporting plate; the pressure monitoring module comprises a third supporting plate which moves up and down, and a pressure monitoring assembly is arranged on the third supporting plate. The invention can realize the automatic inflation operation of the air springs with various specifications, and simultaneously completes the inflation pressure monitoring, and has high inflation efficiency and stable and reliable process.
Description
Technical Field
The invention belongs to the technical field of gas spring generation equipment, and particularly relates to high-compatibility gas spring automatic inflation detection integrated equipment and an inflation method.
Background
The gas spring is a part capable of realizing functions of supporting, buffering, braking, height adjustment, angle adjustment and the like. The gas spring mainly comprises a cylinder rod, a piston, a sealing guide sleeve, a filler, a pressure cylinder, a joint and the like, wherein the pressure cylinder is a closed cavity, inert gas or an oil-gas mixture is filled in the pressure cylinder, and the pressure in the cavity is several times or tens of times of the atmospheric pressure. When the gas spring acts, the movement of the cylinder rod is realized by utilizing the pressure difference existing at the two sides of the piston.
In order to realize automatic operation, an automatic air charging device for the air spring is developed in the market, as CN110260150A discloses an air spring air charging pressure detection device in the prior art, the device realizes automatic air charging and automatic pressure measurement detection of the air spring, but the air spring still needs to be positioned for the second time before being inflated, then the air spring can be carried to an air charging station for air charging, after air charging is finished, the air charging station still needs to be moved to a side pressure measurement detection station for internal pressure detection, the whole device has a complex structure, more stations are arranged side by side, the efficiency of air charging detection operation is reduced, the occupied equipment space is large, in addition, when the length specification of the air spring is changed, the positioning structure on each station needs to be adjusted, the position of a pressure measurement mechanism needs to be adjusted, and the product compatibility is poor. In the prior art, CN204785537U discloses a gas spring inflating device, which concentrates the inflating operation and the pressure measurement detection on one station, compared with the original mode of arranging the inflating station and the pressure measurement detection station side by side, the device space occupation is theoretically reduced, the inflating detection efficiency is improved, but for how the gas spring passes through the inflating device between the pressure detection device and the limiting device, and how the inflating device realizes the sealing inflation with the gas spring, the technical means are unknown.
Therefore, it is necessary to provide a new gas spring automatic inflation detection integrated device and inflation method with high compatibility to solve the above technical problems.
Disclosure of Invention
One of the main purposes of the invention is to provide an integrated device for automatic inflation and detection of gas springs with high compatibility, which can realize the automatic inflation operation of the gas springs with various specifications, complete the inflation pressure monitoring, and has high inflation efficiency and stable and reliable process.
The invention realizes the aim through the following technical scheme: the utility model provides a high gas spring automatic inflation of compatibility detects integrative equipment, its includes the inflation detection device, the inflation detection device includes:
The sealing inflation module comprises a sealing inflation assembly, a sealing cavity is formed at the periphery of the air spring, a penetrating channel which penetrates up and down is formed in the sealing inflation assembly, a cylinder barrel sealing ring for sealing the periphery of the cylinder barrel and a cylinder rod sealing ring for sealing the periphery of the cylinder rod are arranged in the penetrating channel, the sealing cavity is formed by the cylinder barrel sealing ring and the cylinder rod sealing ring, a second air channel which is communicated with the sealing cavity is arranged in the sealing inflation module, and the second air channel is externally connected with an inflation device;
The feeding module is positioned below the sealing and inflating module, pushes the gas spring to pass through the sealing and inflating module, and comprises a first driving module, a first supporting plate driven by the first driving module to move up and down, a second driving module fixed on the first supporting plate or independently arranged, a second supporting plate driven by the second driving module to move up and down, a cylinder barrel clamping assembly and a first cylinder rod clamping assembly which are fixed on the second supporting plate, and a limiting bearing groove for bearing the gas spring is arranged on the first supporting plate;
The pressure monitoring module is positioned above the sealing inflation module, monitors the inflation pressure in real time, and comprises a third driving module, a third supporting plate which is driven by the third driving module to move up and down, and a pressure monitoring assembly arranged on the third supporting plate;
and the cylinder rod clamping module is positioned between the sealing inflation module and the pressure monitoring module and clamps the cylinder rod during inflation.
Further, the sealed module of aerifing includes the mounting panel, sealed subassembly of aerifing is fixed on the mounting panel, be provided with on the mounting panel and monitor whether the jar pole has the first sensor that passes sealed subassembly of aerifing.
Further, the sealing and inflating assembly comprises a base, a top cover arranged on the base in a covering manner and a ventilation seat arranged between the base and the top cover; the through channel penetrates through the base, the ventilation seat and the top cover; the upper surface of the base is axially and downwards recessed in sequence to form a second mounting groove and a first mounting groove, the ventilation seat is arranged in the first mounting groove, and the cylinder barrel sealing ring is arranged in the second mounting groove and is axially pressed downwards by the ventilation seat; the upper surface of the ventilation seat is axially recessed downwards to form a third mounting groove, and the cylinder rod sealing ring is mounted in the third mounting groove and axially pressed downwards by the top cover.
Further, an axial limiting groove for limiting the axial position of the top end of the cylinder barrel is formed in the bottom of the ventilation seat, a first air passage communicated with the axial limiting groove is formed in the ventilation seat, and a second air passage is arranged in the top cover and is communicated with the first air passage; when the cylinder barrel stretches into place, a gap exists between the top end of the cylinder barrel and the inner wall of the axial limiting groove, and the gap is communicated with the first air passage.
Further, the periphery of base is provided with the screw thread, the bottom of top cap be provided with the screw hole groove of the screw thread cooperation connection of base periphery.
Further, the second air passage comprises an annular air guide groove, and a plurality of vent holes communicated with the annular air guide groove are formed on the outer surface of the ventilation seat by the first air passage; a first interface sealing ring and a second interface sealing ring are arranged between the base and the top cover; the base is provided with a first annular clamping groove surrounding the annular air guide groove area, and the first interface sealing ring is installed in the first annular clamping groove; the ventilation seat is provided with a second annular clamping groove positioned in the inner ring area of the annular air guide groove, and the second interface sealing ring is arranged in the second annular clamping groove.
Further, the second support plate is provided with a limiting structure for limiting the circumferential position of the cylinder barrel and a second sensor for detecting whether the cylinder rod leans against the limiting structure, wherein the second sensor is positioned on the second support plate and is positioned on the cylinder barrel clamping assembly and the first cylinder rod clamping assembly.
Further, the pressure monitoring assembly comprises a telescopic cylinder fixed on the third supporting plate, a fourth supporting plate driven by the telescopic cylinder to move up and down, a pressure sensor arranged on the fourth supporting plate and a sensing compression rod arranged at the sensing end of the pressure sensor and propped against the top end of the cylinder rod downwards.
Further, the cylinder rod clamping module comprises a fifth supporting plate which moves up and down and a second cylinder rod clamping assembly which is fixed on the fifth supporting plate;
The fifth supporting plate is driven by the fourth driving module to move up and down; or the elastic floating assembly is connected with the third supporting plate so as to synchronously move up and down together with the third supporting plate, and has an up-and-down floating function relative to the third supporting plate.
Another object of the present invention is to provide a method for automatically inflating a gas spring, which is implemented based on the above-mentioned integrated device for automatically inflating and detecting a gas spring with high compatibility, comprising the following steps:
s1, locating the bottom of a gas spring to be inflated in the limit bearing groove;
s2, the cylinder barrel clamping assembly clamps the cylinder barrel, and the first cylinder rod clamping assembly clamps the cylinder rod;
S3, the first supporting plate supports the bottom of the gas spring, the cylinder barrel clamping assembly and the first cylinder rod clamping assembly clamp the gas spring main body to move upwards together, and the cylinder rod is sent into the through channel of the sealing and inflating assembly; when the cylinder rod passes through the through channel, the cylinder barrel clamping assembly and the first cylinder rod clamping assembly are loosened, the second supporting plate moves downwards for a set distance, the cylinder barrel clamping assembly clamps the cylinder barrel again to push upwards, the top end of the cylinder barrel is sent into the sealing and inflating assembly, and at the moment, a sealing cavity is formed by the cylinder barrel sealing ring and the cylinder rod sealing ring in the sealing and inflating assembly at the periphery of the gas spring;
s4, after the cylinder barrel moves in place, the pressure monitoring assembly moves downwards, when the pressure monitoring assembly is in inductive contact with the top end of the cylinder rod, the cylinder rod clamping module clamps the cylinder rod, then moves upwards, and the cylinder rod is pulled upwards to extend out of a set length, wherein the set length is smaller than the full extending length of the cylinder rod;
S5, the air charging device charges the cylinder barrel through the sealing air charging assembly, the pressure monitoring assembly monitors the air charging pressure in the cylinder barrel in real time, and when the air charging pressure reaches a set pressure value, air charging is stopped;
S6, the cylinder rod clamping module is loosened, ascended and reset, the cylinder barrel clamping assembly clamps the cylinder barrel to move downwards, the gas spring is loosened after being pulled out of the sealing inflation assembly, the gas spring is taken out, and discharging is achieved.
Compared with the prior art, the automatic inflation detection integrated equipment for the gas spring with high compatibility and the inflation method have the beneficial effects that: the automatic inflation operation of the gas springs with various specifications can be realized, the inflation pressure monitoring is finished at the same time, the inflation efficiency is high, and the process is stable and reliable. In particular, the method comprises the steps of,
(1) The sealing and inflating assembly is arranged, a sealing cavity is formed on the periphery of the gas spring after the gas spring passes through the sealing and inflating assembly, the sealing cavity surrounds the top end area of the cylinder barrel, and the sealing cavity is communicated with the inflating device, so that the gas spring can be automatically inflated;
(2) The lower part of the sealing and inflating assembly is provided with a gas spring feeding module, on one hand, the bottom of the gas spring is supported by a limiting bearing groove on the first supporting plate, on the other hand, the cylinder barrel and the cylinder rod are respectively supported by the cylinder barrel clamping assembly and the first cylinder rod clamping assembly, then the gas springs are fed upwards together, the cylinder rod of the gas springs can accurately pass through a penetrating channel in the sealing and inflating assembly, and meanwhile, the cylinder barrel of the gas springs can be fed upwards to a position, so that the top end of the cylinder barrel can accurately extend into the sealing cavity, and the effectiveness and the reliability of the inflating process are further ensured;
(3) The pressure monitoring module is arranged above the sealing and inflating assembly, so that on one hand, the inflating pressure in the cylinder barrel is monitored in real time during inflation, the inflating pressure meets the design requirement, and on the other hand, the position of the top end of the cylinder rod can be sensed through the pressure monitoring assembly, and the extending state of the cylinder rod in the incoming material gas spring can be further determined, so that a basis is provided for automatically adjusting the extending length of the cylinder rod to a uniform length in the follow-up process;
(4) The cylinder rod clamping module is arranged between the sealing and inflating assembly and the pressure monitoring module, and the cylinder rod clamping module is utilized to detect the extending position of the cylinder rod in the feed gas spring by matching with the pressure sensor on one hand, and then the cylinder rod is pulled out to a uniform length by utilizing the cylinder rod clamping module, so that the pressure sensor monitors the pressure of the cylinder rod at a uniform height; on the other hand, the cylinder rod clamping module clamps the cylinder rod during inflation so as to prevent the cylinder rod from shrinking inwards when the inflation pressure reaches a certain value, and the cylinder rod rapidly stretches out of the collision pressure sensor, so that the pressure sensor is damaged due to the fact that the instantaneous pressure is very high, the cylinder rod clamping module clamps the cylinder rod, the pressure borne by the cylinder rod can be effectively and reliably monitored by the pressure monitoring module, and the effective inflation process is further ensured;
(5) The sealing inflation module is arranged in the middle, the feeding module is arranged below the sealing inflation module, the pressure monitoring module is arranged above the sealing inflation module, the feeding module and the pressure monitoring module are driven by a motor, so that the automatic inflation of various gas springs with different length specifications can be realized, only the sealing inflation assembly is required to be replaced for the gas springs with different diameter specifications, the sealing inflation assembly is installed in a quick-change mode, the mold changing efficiency is high, and the compatibility and the universality of equipment are greatly improved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of an inflation detection apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic view of a structure of a bracket according to an embodiment of the present invention; FIG. 4 is a schematic view of a partial enlarged structure at A in FIG. 3;
FIG. 5 is a schematic view of an exploded view of a seal and inflation assembly according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a seal inflation assembly according to an embodiment of the invention;
FIG. 7 is a schematic cross-sectional view of a base in an embodiment of the invention;
FIG. 8 is a schematic cross-sectional view of a vent seat according to an embodiment of the invention;
FIG. 9 is a schematic cross-sectional view of a gas spring insert seal inflation assembly in accordance with an embodiment of the present invention;
FIG. 10 is a schematic diagram of a feeding module according to an embodiment of the present invention;
FIG. 11 is a schematic diagram of a portion of a feeding module according to an embodiment of the present invention;
FIG. 12 is a second schematic diagram of a portion of a feeding module according to an embodiment of the present invention;
FIG. 13 is a schematic diagram of a pressure monitoring module and a cylinder rod clamping module according to an embodiment of the present invention;
The figures represent the numbers:
100-high-compatibility automatic inflation detection integrated equipment for gas springs;
200-gas springs, 201-cylinder barrels and 202-cylinder rods;
10-an inflation detection apparatus;
1-a bracket, 11-a bottom plate, 12-a top plate, 13-a vertical plate, 14-a guide rod, 15-a first sliding rail, 16-a second sliding rail and 17-a avoidance opening;
2-door opening and closing units, 21-arc guide rails, 22-doors and 23-door control cylinders;
3-sealing inflation module, 31-mounting plate, 32-sealing inflation assembly, 321-through channel, 322-base, 3221-first mounting groove, 3222-second mounting groove, 3223-first annular clamping groove, 323-top cover, 3231-second air channel, 32311-annular air guide groove, 3232-threaded hole groove, 324-ventilation seat, 3241-axial limit groove, 3242-first air channel, 3243-third mounting groove, 3244-vent hole, 3245-second annular clamping groove, 325-cylinder sealing ring, 326-cylinder sealing ring, 327-gap, 328-first interface sealing ring, 329-second interface sealing ring, 33-first sensor;
The device comprises a feeding module, a first driving module, a first supporting plate, a limit bearing groove, a second driving module, a second supporting plate, a cylinder clamping assembly, a first cylinder rod clamping assembly, a first screw rod, a second screw rod, a limit clamping seat, a magnetic block and a second sensor, wherein the feeding module is arranged at the front end of the feeding module, the first driving module is arranged at the rear end of the feeding module, the first supporting plate is arranged at the front end of the feeding module, the limit bearing groove is arranged at the front end of the feeding module, the limit clamping seat is arranged at the front end of the feeding module, the limit bearing groove is arranged at the front end of the feeding module, the limit bearing module is arranged at the front end of the first supporting plate, the limit bearing groove is arranged at the front end of the second driving module, the second driving module is arranged at the rear end of the second driving module, the second;
the device comprises a 5-pressure monitoring module, a 51-third driving module, a 511-second screw rod, a 52-third supporting plate, a 53-pressure monitoring module, a 531-telescopic cylinder, a 532-fourth supporting plate, a 533-pressure sensor and a 534-induction compression bar;
6-cylinder rod clamping modules, 61-fifth supporting plates, 62-second cylinder rod clamping assemblies, 63-connecting rods and 64-nuts;
20-a frame.
Detailed Description
Embodiment one:
Referring to fig. 1-13, the present embodiment is an integrated device 100 for automatic inflation and detection of a gas spring with high compatibility, which includes a frame 20, a plurality of inflation detection stations are arranged in the frame 20 side by side, each of the inflation detection stations is provided with an inflation detection device 10, and the inflation detection device 10 is used for performing inflation operation on the gas spring 200 and monitoring the actual inflation pressure in real time during the inflation process. The gas spring 200 includes a cylinder tube 201 and a cylinder rod 202.
The inflation detection device 10 comprises a bracket 1, a door opening and closing unit 2 which encloses the bracket 1 and is provided with a working cavity, a sealing inflation module 3 which is arranged in the working cavity and is fixed on the bracket 1, a feeding module 4 which is positioned below the sealing inflation module 3 and accurately penetrates through the sealing inflation module 3 through a gas spring 200, and a pressure monitoring module 5 which is positioned above the sealing inflation module 3 and is used for monitoring the pressure of a cylinder rod 202 when the gas spring 200 is inflated.
In order to improve the safety of the gas spring 200 during the inflation process, in this embodiment, each structure of the gas spring inflation is disposed in a working chamber, and the switch door unit 2 is configured to switch between an open state and a closed state, so as to facilitate loading and unloading.
The bracket 1 includes a bottom plate 11, a top plate 12, and a vertical plate 13 connecting the top plate 12 and the bottom plate 11, and a pair of guide rods 14 for guiding are provided between the bottom plate 11 and the top plate 12.
The door opening and closing unit 2 includes an arc-shaped guide rail 21 provided above and below the bracket 1, a door 22 slidably provided on the arc-shaped guide rail 21, and a door control cylinder 23 driving the door 22 to slide along the arc-shaped guide rail 21. The door 22 is provided with two doors, which are closed and opened by being closed or separated from each other.
The seal inflation module 3 includes a mounting plate 31 fixed to the bracket 1, a seal inflation assembly 32 fixed to the mounting plate 31, and a first sensor 33 fixed to the mounting plate 31 and monitoring whether the cylinder rod 202 passes through the seal inflation assembly 32. The mounting plate 31 is provided with a mounting step, the sealing inflation assembly 32 is locked and fixed on the mounting step through a screw, and the quick disassembly and the mounting of the sealing inflation assembly 32 can be realized, so that quick replacement is realized.
The sealing inflation assembly 32 is provided with a penetrating channel 321 which penetrates through the air supply spring 200 up and down, and comprises a base 322, a top cover 323 covered on the base 322 and an air ventilation seat 324 arranged between the base 322 and the top cover 323, a cylinder sealing ring 325 for sealing the periphery of the cylinder 201 is arranged between the base 322 and the air ventilation seat 324, a cylinder rod sealing ring 326 for sealing the periphery of the cylinder rod 202 is arranged between the air ventilation seat 324 and the top cover 323, an axial limiting groove 3241 for limiting the axial position of the top end of the cylinder 201 is arranged at the bottom of the air ventilation seat 324, a first air channel 3242 communicated with the axial limiting groove 3241 is arranged inside the air ventilation seat 324, a second air channel 3231 communicated with the first air channel 3242 is arranged on the top cover 323, and the second air channel 3231 is externally connected with an inflation device (not identified in the drawing).
The gas spring 200 passes through the through channel 321 from bottom to top, and the top end position of the cylinder 201 is limited by the axial limiting groove 3241, so that the gas spring is kept in the area of the axial limiting groove 3241; the cylinder seal ring 325 seals the cylinder periphery at a first set position in the axial direction of the cylinder 201, and the cylinder rod seal ring 326 seals the cylinder rod periphery at a second set position in the axial direction of the cylinder rod 202, so that the section of the seal inflation assembly 32 between the first set position and the second set position of the gas spring 200 forms a seal cavity, and the top end of the cylinder 201 is located in the seal cavity, more specifically in the axial limit groove 3241; when the cylinder 201 is extended into place, a gap 327 exists between the top end of the cylinder 201 and the inner wall of the axial limiting groove 3241, and the gap 327 is communicated with the first air passage 3242.
In this embodiment, a unidirectional sealing valve structure is disposed in the top of the cylinder 201, only the external air enters the cylinder, the inert gas filled by the air charging device enters the gap 327 through the second air path 3231 and the first air path 3242, then passes through the unidirectional sealing valve structure at the top of the cylinder 201 through a structural gap between the inner wall of the cylinder 201 and the unidirectional sealing valve structure, and then enters the cylinder, thereby realizing automatic air charging.
In order to improve the convenience of assembling the seal inflation assembly 32, the structure of the seal inflation assembly 32 is optimally designed in this embodiment. Specifically, the upper surface of the base 322 is recessed in order to form a second mounting groove 3222 and a first mounting groove 3221, the ventilation seat 324 is installed in the first mounting groove 3221, and the cylinder sealing ring 325 is installed in the second mounting groove 3222 and is pressed downward by the ventilation seat 324 in the axial direction. The upper surface of the ventilation seat 324 is formed with a third mounting groove 3243 axially recessed downward, and a cylinder rod packing 326 is mounted in the third mounting groove 3243 and is axially pressed downward by the top cover 323. The periphery of the base 322 is provided with threads, and the bottom of the top cover 323 is provided with a threaded hole groove 3232 which is connected with the threads of the periphery of the base 322 in a matching manner. An interface sealing ring (not labeled in the figure) for sealing the butt joint of the first air passage 3242 and the second air passage 3231 is also arranged between the base 322 and the top cover 323.
In this embodiment, in order to improve the inflation efficiency and the uniformity of the stress of the gas spring during inflation, the second gas path 3231 in the top cover 323 includes an annular gas guiding groove 32311, and the first gas path 3242 is formed with a plurality of vent holes 3244 on the outer surface of the vent seat 324, which communicate with the annular gas guiding groove 32311. The ventilation holes 3244 are provided in a pair at 180 ° intervals, four at 90 ° intervals, three at 120 ° intervals, or the like. The gas that aerating device inflated can carry out quick inflation to gas spring 200 through a plurality of air vents 3244 that annular distributes, improves inflation efficiency, and a plurality of air vents 3244 are annular simultaneously and distribute and exert the air pressure to gas spring, make its atress even, and then the position stability when guaranteeing gas spring and aerify, guarantee the reliable safety of inflation process.
The interface sealing ring comprises a first interface sealing ring 328 and a second interface sealing ring 329, which are respectively arranged on the outer ring and the inner ring of the annular air guide groove 32311. The base 322 is provided with a first annular groove 3223 surrounding the annular air guide groove 32311, and the first interface seal 328 is mounted in the first annular groove 3223. The ventilation seat 324 is provided with a second annular clamping groove 3245 located in the inner ring area of the annular air guide groove 32311, and the second interface sealing ring 329 is arranged in the second annular clamping groove 3245.
In assembly, the cylinder seal 325 is first installed into the second mounting groove 3222 of the base 322, then the vent seat 324 is installed into the first mounting groove 3221, then the first interface seal 328 is placed into the first annular clamping groove 3223, and the second interface seal 329 is placed into the second annular clamping groove 3245; the cylinder rod sealing ring 326 is installed in the third installation groove 3243, the top cover 323 is covered on the base 322 and is screwed and fixed through a thread structure, the ventilation seat 324 is axially pressed between the base 322 and the top cover 323, and the assembly is fast and convenient.
The detected height of the first sensor 33 is located at a set height position above the top cover 323, and when a signal is blocked at the set height position, it is determined that the cylinder rod 202 passes through the seal inflation assembly 32.
The feeding module 4 comprises a first driving module 41, a first supporting plate 42 driven by the first driving module 41 to move up and down, a second driving module 43 fixed on the first supporting plate 42, a second supporting plate 44 driven by the second driving module 43 to move up and down, a cylinder clamping assembly 45 and a first cylinder rod clamping assembly 46 fixed on the second supporting plate 44, a limit bearing groove 421 for bearing the gas spring 200 is arranged on the first supporting plate 42, the first supporting plate 42 supports the bottom of the gas spring 200 through the limit bearing groove 421, and the gas spring 200 is supported to move up through the first supporting plate 42.
The first driving module 41 is a motor, and is fixed on the bottom plate 11, a first screw rod 47 is provided at a rotating end of the first driving module, and a nut sleeve (not shown) driven by the first screw rod 47 in a matching manner and a first guide sleeve (not shown) guided by the guide rod 14 in a matching manner are provided on the first supporting plate 42. The vertical plate 13 is provided with a pair of first slide rails 15, and the first support plate 42 and the second support plate 44 are slidably disposed on the first slide rails 15 through a sliding block.
In order to save space, in the present embodiment, the second driving module 43 is located at the back of the vertical plate 13, and the back of the vertical plate 13 is provided with the second sliding rail 16, one end of the second driving module 43 is fixed on the first supporting plate 42, and the other end is slidably disposed on the second sliding rail 16 through a sliding block; the vertical plate 13 is further provided with a avoidance opening 17 through which the penetrating part of the first connecting plate 42 extending into the back surface of the vertical plate 13 is avoided when moving up and down.
In this embodiment, the second driving module 43 is disposed on the first supporting plate 42, and moves up and down synchronously with the first supporting plate 42. In another embodiment, the second driving module 43 may be separately disposed on the riser 13 to separately drive the second support plate 44 to perform synchronous motion with the first support plate 42.
The second support plate 44 is provided with a stopper structure defining the circumferential position of the cylinder tube 201. In one embodiment, a limiting clamping seat 48 for circumferentially limiting the cylinder 201 is arranged between the cylinder clamping assembly 45 and the first cylinder rod clamping assembly 46 on the second supporting plate 44, and the limiting clamping seat 48 can be made of magnetic materials according to requirements; in another embodiment, a magnet 49 is provided on the second support plate 44 between the cylinder rod clamping assembly 45 and the first cylinder rod clamping assembly 46 to attract the cylinder 201. The air spring 200 can be prevented from falling outwards after being placed on the limit bearing groove 421 by the limit clamping seat 48 or the magnetic block 49.
Because the cylinder rod of the gas spring is in a random extending state during material feeding and the extending length is uncertain, in order to effectively and reliably clamp the cylinder rod, the cylinder rod is ensured to pass through the sealing and inflating assembly 32 smoothly, and the first cylinder rod clamping assembly 46 is arranged close to the cylinder barrel clamping assembly 45 in the embodiment.
The second support plate 44 is further provided with a second sensor 410 for detecting whether the cylinder 201 is leaning on the limit structure.
The pressure monitoring module 5 includes a third driving module 51, a third supporting plate 52 driven by the third driving module 51 to move up and down, and a pressure monitoring assembly 53 disposed on the third supporting plate 52. The third support plate 52 is slidably disposed on the first slide rail 15 by a slider. The third driving module 51 is a motor, and is fixed on the top plate 12, the rotating end is provided with a second screw rod 511, and the third supporting plate 52 is provided with a nut sleeve which is matched with the second screw rod 511 for transmission.
The pressure monitoring assembly 53 includes a telescopic cylinder 531 fixed to the third support plate 52, a fourth support plate 532 driven by the telescopic cylinder 531 to move up and down, a pressure sensor 533 provided to the fourth support plate 532, and a sensing plunger 534 provided to a sensing end of the pressure sensor 533 and downwardly abutting against the top end of the cylinder rod 202.
When the cylinder 201 is inflated, the cylinder rod 202 will shrink inwards, so in order to ensure accurate monitoring data of the pressure sensor 533, and prevent the pressure sensor 202 from being damaged due to instantaneous large pressure when the cylinder rod 202 is contracted and then is rapidly stretched out under large pressure, the embodiment further comprises a cylinder rod clamping module 6 for clamping the cylinder rod 202 during inflation to prevent the cylinder rod from shrinking inwards.
The cylinder rod clamping module 6 includes a fifth support plate 61 and a second cylinder rod clamping assembly 62 fixed to the fifth support plate 61. The fifth support plate 61 is slidably disposed on the first slide rail 15 by a slider.
In this embodiment, the fifth support plate 61 is connected to the third support plate 52 by a link 63 to achieve synchronous up-and-down movement. One end of the connecting rod 63 is fixed on the fifth support plate 61 and the other end movably passes through the third support plate 52, the end section of the third support plate 52 is provided with a threaded structure and is provided with a nut 64, the connecting rod 63 is prevented from being separated from the third support plate 52 by the arrangement of the nut 64, and the interval between the fifth support plate 61 and the third support plate 52 can be adjusted by adjusting the screwing position of the nut 64. The connecting rod 63 is sleeved with a separation spring between the third support plate 52 and the fifth support plate 61 to ensure that the fifth support plate 61 and the third support plate 52 are separated by a set distance. The connecting rod 63 forms an elastic floating assembly with the isolation spring. Through the structural design of the isolation spring matching connecting rod 63, the fifth supporting plate 61 can further have an up-and-down floating function relative to the third supporting plate 52, so that the second cylinder rod clamping assembly 62 can follow when the cylinder rod 202 extends outwards after being inflated to a certain pressure value.
In another embodiment, the cylinder rod clamping module 6 may also be provided with a separate driving module, which includes a fourth driving module, and the fifth support plate 61 is driven to move up and down by the fourth driving module.
The embodiment also provides an automatic air inflation method of the air spring, which comprises the following steps:
S1, in an initial state, the first support plate 42 is in a low position, the distance between the second support plate 44 and the first support plate 42 is adjusted to be in place through the second driving module 43, and the third support plate 52 is in a high position; the bottom of the gas spring 200 to be inflated is located in the limit bearing groove 421 of the first supporting plate 42, and the upper part of the cylinder 201 is limited in position by the limit structure, so that the cylinder is prevented from falling outwards;
S2, after the second sensor 410 detects that a product is put into the limiting structure, the cylinder barrel 201 is clamped by the cylinder barrel clamping assembly 45, and the cylinder rod 202 is clamped by the first cylinder rod clamping assembly 46;
S3, the first driving module 41 drives the first supporting plate 42 to move upwards, and simultaneously the cylinder clamping assembly 45 and the first cylinder rod clamping assembly 46 clamp the gas spring 200 to move upwards along with the first supporting plate 42; because the first cylinder rod clamping assembly 46 clamps the cylinder rod 202 in an upward motion, the cylinder rod 202 is able to precisely penetrate the through passage 321 in the seal inflation assembly 32; when the first sensor 33 detects that the cylinder rod 202 passes through the through channel 321, the cylinder clamping assembly 45 and the first cylinder rod clamping assembly 46 are both loosened, the second driving module 43 drives the second supporting plate 44 to move downwards for a set distance, the cylinder clamping assembly 45 clamps the cylinder 201 again, and then the first driving module 41 continues to drive the first supporting plate 42 to move upwards to push the cylinder 201 upwards to be in a position, so that the sealing and inflating assembly 32 seals the set positions of the cylinder rod 202 and the cylinder 201;
S4, after the cylinder 201 moves in place, the third driving module 51 drives the third supporting plate 52 to move downwards, when the sensing pressure rod 534 is in sensing contact with the top end of the cylinder rod 202, the lowering is stopped, meanwhile, the cylinder rod clamping module 6 clamps the cylinder rod 202, then the third driving module 51 drives the third supporting plate 52 to move upwards, the cylinder rod 202 is pulled upwards to extend out by a set length, the set length is smaller than the fully extending length of the cylinder rod 202, the cylinder rod clamping module 6 keeps a clamping state, and meanwhile, the sensing pressure rod 534 is in contact with the top end of the cylinder rod 202;
S5, the inflation device inflates the cylinder 201 through the sealing inflation assembly 32, the pressure sensor 533 monitors the pressure of the cylinder rod 202 in real time, further monitors the inflation pressure in the cylinder 201, and stops inflation when the inflation pressure reaches a set pressure value;
S6, the cylinder rod clamping module 6 is loosened, lifted and reset, the cylinder barrel clamping assembly 45 clamps the cylinder barrel 201 to move downwards, the gas spring 200 is loosened after being pulled out of the sealing and inflating assembly 32, and an operator or a manipulator takes out the gas spring 200 to realize blanking.
What has been described above is merely some embodiments of the present invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention.
Claims (7)
1. High gas spring automatic inflation detects integrative equipment of compatibility, its characterized in that: it includes the inflation detection apparatus, the inflation detection apparatus includes:
The sealing inflation module comprises a sealing inflation assembly, a sealing cavity is formed at the periphery of the air spring, a penetrating channel which penetrates up and down is formed in the sealing inflation assembly, a cylinder barrel sealing ring for sealing the periphery of the cylinder barrel and a cylinder rod sealing ring for sealing the periphery of the cylinder rod are arranged in the penetrating channel, the sealing cavity is formed by the cylinder barrel sealing ring and the cylinder rod sealing ring, a second air channel which is communicated with the sealing cavity is arranged in the sealing inflation module, and the second air channel is externally connected with an inflation device;
The feeding module is positioned below the sealing and inflating module, pushes the gas spring to pass through the sealing and inflating module, and comprises a first driving module, a first supporting plate driven by the first driving module to move up and down, a second driving module fixed on the first supporting plate or independently arranged, a second supporting plate driven by the second driving module to move up and down, a cylinder barrel clamping assembly and a first cylinder rod clamping assembly which are fixed on the second supporting plate, and a limiting bearing groove for bearing the gas spring is arranged on the first supporting plate;
The pressure monitoring module is positioned above the sealing inflation module, monitors the inflation pressure in real time, and comprises a third driving module, a third supporting plate which is driven by the third driving module to move up and down, and a pressure monitoring assembly arranged on the third supporting plate;
the cylinder rod clamping module is positioned between the sealing and inflating module and the pressure monitoring module and clamps the cylinder rod during inflation;
The sealing and inflating assembly comprises a base, a top cover arranged on the base in a covering manner, and a ventilation seat arranged between the base and the top cover; the through channel penetrates through the base, the ventilation seat and the top cover; the upper surface of the base is axially and downwards recessed in sequence to form a second mounting groove and a first mounting groove, the ventilation seat is arranged in the first mounting groove, and the cylinder barrel sealing ring is arranged in the second mounting groove and is axially pressed downwards by the ventilation seat; the upper surface of the ventilation seat is axially recessed downwards to form a third mounting groove, and the cylinder rod sealing ring is arranged in the third mounting groove and is axially pressed downwards by the top cover; the bottom of the ventilation seat is provided with an axial limit groove for limiting the axial position of the top end of the cylinder barrel, a first air passage communicated with the axial limit groove is arranged in the ventilation seat, and a second air passage is arranged in the top cover and communicated with the first air passage; when the cylinder barrel stretches into place, a gap exists between the top end of the cylinder barrel and the inner wall of the axial limiting groove, and the gap is communicated with the first air passage; the second air passage comprises an annular air guide groove, and a plurality of vent holes communicated with the annular air guide groove are formed on the outer surface of the ventilation seat by the first air passage; a first interface sealing ring and a second interface sealing ring are arranged between the base and the top cover; the base is provided with a first annular clamping groove surrounding the annular air guide groove area, and the first interface sealing ring is installed in the first annular clamping groove; the ventilation seat is provided with a second annular clamping groove positioned in the inner ring area of the annular air guide groove, and the second interface sealing ring is arranged in the second annular clamping groove.
2. The high-compatibility gas spring automatic inflation detection integrated device of claim 1, wherein: the sealing inflation module comprises a mounting plate, the sealing inflation assembly is fixed on the mounting plate, and a first sensor for monitoring whether a cylinder rod passes through the sealing inflation assembly or not is arranged on the mounting plate.
3. The high-compatibility gas spring automatic inflation detection integrated device of claim 1, wherein: the periphery of base is provided with the screw thread, the bottom of top cap be provided with the screw hole groove of the screw thread fit connection of base periphery.
4. The high-compatibility gas spring automatic inflation detection integrated device of claim 1, wherein: the cylinder clamping assembly and the first cylinder rod clamping assembly are arranged on the second supporting plate, a limiting structure for limiting the circumferential position of the cylinder is arranged on the second supporting plate, and a second sensor for detecting whether the cylinder rod leans against the limiting structure is arranged on the second supporting plate.
5. The high-compatibility gas spring automatic inflation detection integrated device of claim 1, wherein: the pressure monitoring assembly comprises a telescopic cylinder fixed on the third supporting plate, a fourth supporting plate driven by the telescopic cylinder to move up and down, a pressure sensor arranged on the fourth supporting plate and a sensing compression rod arranged at the sensing end of the pressure sensor and propped against the top end of the cylinder rod downwards.
6. The high-compatibility gas spring automatic inflation detection integrated device of claim 1, wherein: the cylinder rod clamping module comprises a fifth supporting plate which moves up and down and a second cylinder rod clamping assembly which is fixed on the fifth supporting plate;
The fifth supporting plate is driven by the fourth driving module to move up and down; or the elastic floating assembly is connected with the third supporting plate so as to synchronously move up and down together with the third supporting plate, and has an up-and-down floating function relative to the third supporting plate.
7. An automatic inflating method for a gas spring is characterized in that: the method is realized based on the high-compatibility gas spring automatic inflation detection integrated equipment as claimed in claim 1, and comprises the following steps:
s1, locating the bottom of a gas spring to be inflated in the limit bearing groove;
s2, the cylinder barrel clamping assembly clamps the cylinder barrel, and the first cylinder rod clamping assembly clamps the cylinder rod;
S3, the first supporting plate supports the bottom of the gas spring, the cylinder barrel clamping assembly and the first cylinder rod clamping assembly clamp the gas spring main body to move upwards together, and the cylinder rod is sent into the through channel of the sealing and inflating assembly; when the cylinder rod passes through the through channel, the cylinder barrel clamping assembly and the first cylinder rod clamping assembly are loosened, the second supporting plate moves downwards for a set distance, the cylinder barrel clamping assembly clamps the cylinder barrel again to push upwards, the top end of the cylinder barrel is sent into the sealing and inflating assembly, and at the moment, a sealing cavity is formed by the cylinder barrel sealing ring and the cylinder rod sealing ring in the sealing and inflating assembly at the periphery of the gas spring;
s4, after the cylinder barrel moves in place, the pressure monitoring assembly moves downwards, when the pressure monitoring assembly is in inductive contact with the top end of the cylinder rod, the cylinder rod clamping module clamps the cylinder rod, then moves upwards, and the cylinder rod is pulled upwards to extend out of a set length, wherein the set length is smaller than the full extending length of the cylinder rod;
S5, the air charging device charges the cylinder barrel through the sealing air charging assembly, the pressure monitoring assembly monitors the air charging pressure in the cylinder barrel in real time, and when the air charging pressure reaches a set pressure value, air charging is stopped;
S6, the cylinder rod clamping module is loosened, ascended and reset, the cylinder barrel clamping assembly clamps the cylinder barrel to move downwards, the gas spring is loosened after being pulled out of the sealing inflation assembly, the gas spring is taken out, and discharging is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410590056.0A CN118149267B (en) | 2024-05-13 | 2024-05-13 | Automatic inflation detection integrated equipment and inflation method for gas spring with high compatibility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410590056.0A CN118149267B (en) | 2024-05-13 | 2024-05-13 | Automatic inflation detection integrated equipment and inflation method for gas spring with high compatibility |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118149267A CN118149267A (en) | 2024-06-07 |
| CN118149267B true CN118149267B (en) | 2024-07-16 |
Family
ID=91297478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410590056.0A Active CN118149267B (en) | 2024-05-13 | 2024-05-13 | Automatic inflation detection integrated equipment and inflation method for gas spring with high compatibility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118149267B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822086A (en) * | 2013-12-02 | 2014-05-28 | 宁波力品格工业机械有限公司 | Full-automatic inflating machine |
| CN110440131A (en) * | 2019-06-05 | 2019-11-12 | 宁波力品格自动化科技有限公司 | A kind of gas spring gas-flow closure machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4451978A (en) * | 1980-02-20 | 1984-06-05 | Avm Corporation | Apparatus for making a pneumatic counterbalance |
| KR100478925B1 (en) * | 2001-06-07 | 2005-03-28 | 주식회사 만도 | Gas filling apparatus and gas filling method for gas shock absorber |
| CN218625196U (en) * | 2022-10-09 | 2023-03-14 | 温州市益辉机械科技有限公司 | Quick accurate aerating device of air spring |
| CN219624979U (en) * | 2022-10-28 | 2023-09-01 | 中电智能科技有限公司 | Automatic gas tightness detects frock |
-
2024
- 2024-05-13 CN CN202410590056.0A patent/CN118149267B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822086A (en) * | 2013-12-02 | 2014-05-28 | 宁波力品格工业机械有限公司 | Full-automatic inflating machine |
| CN110440131A (en) * | 2019-06-05 | 2019-11-12 | 宁波力品格自动化科技有限公司 | A kind of gas spring gas-flow closure machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118149267A (en) | 2024-06-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2630572B2 (en) | Method and apparatus for compression molding plastic articles | |
| CN109916575B (en) | Valve tightness detection device | |
| CN118149267B (en) | Automatic inflation detection integrated equipment and inflation method for gas spring with high compatibility | |
| CN102514769A (en) | Leakage detector for packaging bottle | |
| CN112206998B (en) | Dispensing system | |
| CN114526305B (en) | Automatic inflation pre-sealing device and method for automobile shock absorber | |
| CN108051159B (en) | Leakage detecting device for aluminum film packaging tank body | |
| CN201105490Y (en) | Center mechanism of tyre shaping vulcanizer | |
| CN115744788A (en) | Filling device and filling method | |
| CN210922961U (en) | Air tightness detection device of cylinder head cover | |
| CN210703442U (en) | Automatic assembling device for sealing ring for plug of brake alarm | |
| CN209961405U (en) | Equipment for air tightness test | |
| CN207209383U (en) | One kind sparking head automatic assembling device | |
| CN215794866U (en) | Sealing device for food packaging | |
| CN213560915U (en) | Special pressing detection machine for rotor bearing | |
| CN108817951B (en) | Pressure regulating screw assembling equipment | |
| CN218674118U (en) | Full-automatic storage battery air tightness test machine | |
| CN118181202B (en) | Automatic assembling equipment for support ring in bag skin of automobile rear air spring | |
| CN209370239U (en) | A kind of moulding post mold of leakproof pressure | |
| CN215217942U (en) | Piston ring seal detection mechanism and leak detection machine | |
| CN104368714B (en) | The inner reed of a kind of fuel sucking pipe detects and corrects and mouth of pipe closing device | |
| CN220407825U (en) | Automatic stay cable cutting and riveting integrated machine | |
| CN214693206U (en) | Vertical closing cap machine clamping assembly convenient to use | |
| CN216126140U (en) | Airtight detection mechanism and system thereof | |
| CN115106737B (en) | Ground nail capping machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |