CN110103244A - Inner hole swelling grasping mechanism - Google Patents
Inner hole swelling grasping mechanism Download PDFInfo
- Publication number
- CN110103244A CN110103244A CN201910490478.XA CN201910490478A CN110103244A CN 110103244 A CN110103244 A CN 110103244A CN 201910490478 A CN201910490478 A CN 201910490478A CN 110103244 A CN110103244 A CN 110103244A
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- China
- Prior art keywords
- expansion set
- pull rod
- swelling
- section
- tightening 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
- 230000008961 swelling Effects 0.000 title claims abstract description 66
- 230000007246 mechanism Effects 0.000 title claims abstract description 44
- 238000001125 extrusion Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000008602 contraction Effects 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 7
- 238000012546 transfer Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/0047—Gripping heads and other end effectors for internally gripping hollow or recessed objects
Landscapes
- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- Manipulator (AREA)
Abstract
The invention discloses a kind of inner hole swelling grasping mechanisms, including pull rod, expansion set, tightening sleeve and power part, expansion set is sheathed on the outside of pull rod, tightening sleeve is sheathed on the outside of expansion set, hole system workpiece is sheathed on the outside of expansion set, pull rod, expansion set and tightening sleeve coaxial arrangement, fixation can produce relative movement respectively for pull rod and expansion set, tightening sleeve is fixed with pull rod, power part is connect with pull rod, pull rod is moved along wherein axis direction, during pull rod moves up and down expansion set realization extend out with interior receipts, time receiving tightening sleeve squeezes expansion set in expansion set.Present invention setting " inner core; in it is swollen; it is outer to receive " 3 layers of coaxial nested structure, space compact, mechanism is rigidly strong, bearing capacity is strong, tension force is strong, especially has the tightening sleeve of " outer to receive " function, makes the contraction state and dimensionally stable of mechanism, be conducive to the insertion inner hole of workpiece of robot fast accurate, grabbing workpiece.
Description
Technical field
The present invention relates to field of automobile more particularly to a kind of inner hole swelling grasping mechanisms.
Background technique
Grasping mechanism applied to the automatic island of Work piece cleaning machine device people a part important as the robot gripper, is used for
Automobile engine miniature workpiece, but the various workpieces that automobile engine miniature workpiece includes are grabbed, workpiece configurations are inconsistent, interior
Hole differs in size, thickness etc., stacks in varying numbers.Since the workpiece configurations of crawl differ greatly, therefore use inner hole crawl
Mode.
Current existing grasping mechanism, there are two main classes: one kind is pneumatic (or electronic) double pawls, it is another kind of for it is pneumatic (or
It is electronic) three-jaw.The operating environment on the automatic island of Work piece cleaning machine device people is complex, it is desirable that grasping mechanism can be various forms of
Workpiece is shifted between positioning tool, these two types of clamping jaws can be transferred through inner hole and grab single workpiece, but it is clear to adapt to workpiece
The operating environment of the automatic island complexity of robot is washed, it is also highly difficult；Existing double pawls or three-jaw mechanism simultaneously, it is biggish for inner hole
Workpiece can only effectively grab single layer workpieces since its mechanism swelling strength is not big enough, if two layers of crawl or more of workpiece,
The lasting impaction state of upper layer workpiece cannot be effectively ensured, upper layer workpiece is caused to be freely rotated, robot orientation cannot be completed and removed
Fortune, and a variety of positioning tools on automatic island can not be adapted to.
Summary of the invention
The object of the invention is that providing a kind of inner hole swelling grasping mechanism to solve the above-mentioned problems.
To achieve the goals above, the disclosure provides a kind of inner hole swelling grasping mechanism, for the crawl of hole system workpiece, packet
It includes:
Enforcement division；Enforcement division includes pull rod and expansion set, and expansion set is sheathed on the outside of pull rod, and hole system workpiece is sheathed on outside expansion set
Fixation can produce relative movement respectively for side, pull rod and expansion set；
Power part；Power part is connect with pull rod, and pull rod is moved along wherein axis direction, during pull rod moves up and down
Expansion set realization extends out and interior receipts.
Optionally, enforcement division further includes tightening sleeve, and tightening sleeve is sheathed on the outside of expansion set, and pull rod, expansion set and tightening sleeve are coaxial
Setting, tightening sleeve are fixed with pull rod, and time receiving tightening sleeve squeezes expansion set in expansion set.
Optionally, inner hole swelling grasping mechanism further includes cylinder flange, and power part is fixed on cylinder flange top, pull rod,
Expansion set and tightening sleeve are worn after being arranged from cylinder flange lower part, and expansion set is fixed with cylinder flange.
Optionally, inner hole swelling grasping mechanism further includes holddown spring, and holddown spring is set on the outside of tightening sleeve, compresses bullet
Spring upper end is fixed with cylinder flange, and when grasping mechanism catches hole system workpiece, holddown spring device to hole system workpiece applies downward compression
Elastic force.
Optionally, pull rod lower end is provided with extrusion head, and extrusion head is formed as frustum cone structure；
Expansion set lower section is formed as three-clove style structure, and expansion set lower section includes swelling section, and swelling section is arranged close to expansion set lower end, swollen
Expansion set outer wall at tight section is vertical, and the expansion set inner wall at swelling section upwardly and inwardly tilts；
Expansion set inner wall at extrusion head and swelling section cooperates, and when extrusion head moves up, extrusion head squeezes swelling section and extends out, expansion set
The hole wall of stretching hole system workpiece.
Optionally, tightening sleeve upper section and lower section are all formed as three-clove style structure, and tightening sleeve outer wall is vertically arranged, and tightening sleeve leans on
Inner wall at its nearly lower end upwardly and inwardly tilts；
Expansion set lower section further includes tightening section, and tightening section is connected with swelling section, and tightens section and be located at swelling section top, tightens section
The expansion set outer wall at place is upwardly and inwardly obliquely installed；
The inner wall that the tightening section and tightening sleeve of expansion set are obliquely installed cooperates, and when extrusion head moves down, tightening sleeve squeezes tightening section,
It is received in expansion set.
Optionally, the swelling section of expansion set and tightening section joint are provided with the limiting stand for preventing pull rod process excessive
Rank, when pull rod is located at lower limit, tightening sleeve lower end contradicts limited step.
Optionally, power part uses cylinder to provide power, the piston head connection of pull rod and cylinder piston rod, gas for enforcement division
The limited block for preventing pull rod backhaul excessive is provided between cylinder shell and piston head, when pull rod is located at upper limit, piston head
Contradict limited block.
Optionally, cylinder stroke is greater than the rod stroke of demand.
Optionally, pull rod outer wall is provided with annular groove at the upper end, and piston head is sticked in annular groove.
The beneficial effects of the present invention are:
1, three layers of coaxial nested structure of present invention setting " inner core, in swollen, outer receipts ", space compact, mechanism is rigidly strong,
Bearing capacity is strong, and tension force is strong, especially has the tightening sleeve of " outer to receive " function, makes the contraction state and dimensionally stable of mechanism, have
Conducive to the insertion inner hole of workpiece of robot fast accurate, grabbing workpiece.
2, present invention setting compresses stabilizing spring, and the multiple workpiece being crawled is made to have an additional axial pressing force,
Thus the additional friction for compressing generation, makes workpiece in moving process, remains on a stable position, does not occur
Dislocation, cannot be by the workpiece of swelling in particular for upper layer, and the workpiece after enabling transfer can smoothly enter into new station.
Detailed description of the invention
Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of inner hole swelling grasping mechanism of the present invention；
Fig. 2 is the structural schematic diagram of enforcement division of the present invention；
Fig. 3 is the part broken away view of enforcement division of the present invention；
Fig. 4 is cross-sectional view when inner hole swelling grasping mechanism pull rod of the present invention moves up；
Fig. 5 is cross-sectional view when inner hole swelling grasping mechanism pull rod of the present invention moves down.
Description of symbols
1- cylinder, 2- piston head, 3- enforcement division, 4- holddown spring, 5- annular groove, 6- pull rod, 7- extrusion head, 8- cylinder
Flange, 9- tightening sleeve, 10- expansion set, 11- piston rod, 12- limited block, 13- tighten section, 14- swelling section, and 15- squeezes step, 16-
Limited step.
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched
The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
In the disclosure, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower " is normally based on attached drawing
Shown in orientation or positional relationship be defined, specifically can refer to page shown in FIG. 1 and combine corresponding components
Positional relationship in the other drawings.In the following description when referring to the accompanying drawings, unless otherwise indicated, the same numbers in different attached drawings
Indicate the same or similar element.
As shown in Figure 1, for the crawl of hole system workpiece, including being executed the present invention relates to a kind of inner hole swelling grasping mechanism
Portion 3, power part and holddown spring 4.
As shown in Figure 2 and Figure 3, enforcement division 3 includes pull rod 6, expansion set 10, tightening sleeve 9 and cylinder flange 8.
6 lower section of pull rod inwardly and downwardly tilts.6 outer wall of pull rod is provided with annular groove 5, annular groove at the upper end
5 is horizontally disposed.6 lower end of pull rod is provided with extrusion head 7, and extrusion head 7 is formed as frustum cone structure.
10 lower section of expansion set is formed as three-clove style structure.10 lower section of expansion set includes swelling section 14 and tightening section 13, swelling section 14
Be arranged close to 10 lower end of expansion set, 10 outer wall of expansion set at swelling section 14 is vertical, 10 inner wall of expansion set at swelling section 14 upwards and to
Tilted, tightening section 13 is connected with swelling section 14, and tightens section 13 and be located at 14 top of swelling section, tightens outside the expansion set 10 at section 13
Wall is upwardly and inwardly obliquely installed.Three-clove style structure between tightening section 13 and 10 upper section of expansion set inwardly and downwardly tilts, herein
Tilt angle be less than 6 lower section of pull rod tilt angle.The swelling section 14 of expansion set 10 is provided with tightening 13 joint of section and is used for
The limited step 16 for preventing 6 process of pull rod excessive.
9 upper section of tightening sleeve and lower section are all formed as three-clove style structure, and 9 outer wall of tightening sleeve is vertically arranged, and tightening sleeve 9 is close to it
Inner wall at lower end upwardly and inwardly tilts.
8 upper end of cylinder flange is formed as semicircular ring shape, and 8 lower end of cylinder flange is formed as annulus shape, on cylinder flange 8
End is directly rigidly connected by vertically arranged connecting rod with lower end.
Power part uses cylinder 1 to provide power for enforcement division 3.Cylinder 1 is fixed in the semicircular ring of 8 upper end of cylinder flange,
The piston rod 11 of 1 piston of cylinder passes through semicircular ring downwards and is arranged.1 piston rod of cylinder, 11 lower end is provided with piston head 2.Cylinder
The limited block 12 for preventing 6 backhaul of pull rod excessive is provided between 1 shell and piston head 2.
Expansion set 10 is sheathed on 6 outside of pull rod, and the extrusion head 7 of pull rod 6 is located at the inside of 10 swelling section 14 of expansion set, extrusion head 7
Cooperate with 10 inner wall of expansion set at swelling section 14 and compresses.Tightening sleeve 9 is sheathed on 10 outside of expansion set, the tightening section 13 and receipts of expansion set 10
The fixed 9 inner wall cooperations being obliquely installed and mutual extrusion.Pull rod 6, expansion set 10 and tightening sleeve 9 are coaxially disposed, 9 upper end of tightening sleeve with
The welding of 6 outer wall of pull rod.The vertical circle for passing through 8 lower end of cylinder flange upward after pull rod 6, expansion set 10 and the stacking suit of tightening sleeve 9
Ring, gap of the pin across 9 upper section valve of tightening sleeve and valve, by the annulus pin joint of expansion set 10 and 8 lower end of cylinder flange, piston
First 2 are snapped into the annular groove 5 of pull rod 6, and pull rod 6 and piston head 2 form I-shaped connection.
Holddown spring 4 is set in outside tightening sleeve 9, and 4 upper end of holddown spring and the annulus of 8 lower end of cylinder flange are fixed.Pressure
The tight lower end of spring 4 and the lower end of expansion set 10 are located in same level.
In engine manufacturing process, it is inconsistent, interior that the automatic island of robot for Cleaning of Parts can be related to many shapes
Hole differs in size, thickness not etc., stack hole system workpiece in varying numbers.The present invention provides a kind of inner hole swelling grasping mechanism, uses
In the hole system workpiece that crawl stacks, hole system workpiece is enable to be shifted between multiple processing stations.
Inner hole swelling grasping mechanism is moved to the top to grabbing workpiece by robot, and enforcement division 3 is directed at work to be grabbed
The hole of part makes grasping mechanism be displaced downwardly to expansion set 10 deeply to all to which in the hole of grabbing workpiece, the contact of holddown spring 4 at this time is most upper
The upper side of portion's workpiece, and downward pressing force is generated to workpiece.
As shown in figure 4, starting to cylinder 1, the piston rod 11 of cylinder 1 moves up in cylinder 1, so that pull rod 6 is driven to move up,
Since pull rod 6 and the welding of tightening sleeve 9, expansion set 10 and cylinder flange 8 are fixed, tightening sleeve 9 is moved up with respect to expansion set 10, and expansion set 10 is not
Dynamic, the extrusion head 7 of pull rod 6 moves up inside the swelling section 14 of expansion set 10, when pull rod 6 is located at upper limit in expansion set 10, piston
First 2 contradict limited block 12, prevent 6 backhaul of pull rod excessive, play the role of protecting expansion set 10.The lower end of tightening sleeve 9 is swollen simultaneously
It being moved up on 13 outer wall of tightening section of set 10, the swelling section 14 of the extruding due to extrusion head 7 to 10 inner wall of expansion set, expansion set 10 extends out,
10 swelling workpiece hole wall of expansion set.
Then robot control inner hole swelling grasping mechanism moves up, by the workpiece of 10 swelling of expansion set and its upside workpiece with
Grasping mechanism is mobile, and holddown spring 4 compresses the workpiece of crawl, stablizes the location of workpiece.
As shown in figure 5, cylinder 1 starts, and the piston rod 11 of cylinder 1 is in cylinder 1 after grasping mechanism reaches workpiece transfer station
It inside moves down, tightening sleeve 9 is moved down with respect to expansion set 10, and expansion set 10 is motionless, and the extrusion head 7 of pull rod 6 is inside the swelling section 14 of expansion set 10
It moving down, 9 lower end of tightening sleeve moves down on 13 outer wall of tightening section of expansion set 10, after 9 lower end of tightening sleeve contradicts limited step 16, piston
Bar 11 moves down stopping.Since tightening sleeve 9 squeezes the tightening section 13 of expansion set 10, received in expansion set 10, expansion set 10 loosens workpiece hole wall, work
Part is transferred to transfer station completion.
To make grasping mechanism have tolerance compensation capacity, in 1 stroke dosage of cylinder, 1 stroke of cylinder is made to be greater than demand
6 stroke of pull rod.
In 10 swelling workpiece hole wall of expansion set, limited step 16 and extruding step 15 generate workpiece hole wall and squeeze swelling
Power, the setting of two steps is to abundant equilibrant force and torque.10 inner wall of expansion set at swelling section 14 upwardly and inwardly tilts, therefore
Thickness herein is larger, guarantees the intensity of 10 swelling section 14 of expansion set.So thickness is bigger.Expansion set 10 tightens 13 or more section simultaneously
Partial wall thickness is relatively thin, guarantees 10 flexibility of expansion set, expansion set 10 is enable to expand.
Three layers of coaxial nested structure of present invention setting " inner core, in swollen, outer receipts ", space compact, mechanism is rigidly strong, holds
Load power is strong, and tension force is strong, especially has the tightening sleeve 9 of " outer to receive " function, makes the contraction state and dimensionally stable of mechanism, favorably
In the insertion inner hole of workpiece of robot fast accurate, grabbing workpiece.
The present invention, which is arranged, compresses stabilizing spring, and the multiple workpiece being crawled is made to have an additional axial pressing force, by
This compresses the additional friction generated, makes workpiece in moving process, remains on a stable position, mistake does not occur
Position, cannot be by the workpiece of swelling in particular for upper layer, and the workpiece after enabling transfer can smoothly enter into new station.
The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the disclosure to it is various can
No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought equally should be considered as disclosure disclosure of that.
Claims (10)
1. inner hole swelling grasping mechanism, the crawl for hole system workpiece, it is characterised in that: include:
Enforcement division；Enforcement division includes pull rod and expansion set, and expansion set is sheathed on the outside of pull rod, and hole system workpiece is sheathed on the outside of expansion set, is drawn
Fixation can produce relative movement respectively for bar and expansion set；
Power part；Power part is connect with pull rod, and pull rod is moved along wherein axis direction, expansion set during pull rod moves up and down
Realization extends out and interior receipts.
2. inner hole swelling grasping mechanism according to claim 1, it is characterised in that: enforcement division further includes tightening sleeve, tightening
It is sheathed on the outside of expansion set, pull rod, expansion set and tightening sleeve coaxial arrangement, tightening sleeve are fixed with pull rod, time receiving tightening sleeve in expansion set
Squeeze expansion set.
3. inner hole swelling grasping mechanism according to claim 2, it is characterised in that: inner hole swelling grasping mechanism further includes gas
Cylinder flange, power part are fixed on cylinder flange top, and pull rod, expansion set and tightening sleeve are worn after being arranged from cylinder flange lower part, swollen
Set is fixed with cylinder flange.
4. inner hole swelling grasping mechanism according to claim 3, it is characterised in that: inner hole swelling grasping mechanism further includes pressure
Tight spring, holddown spring are set on the outside of tightening sleeve, and holddown spring upper end is fixed with cylinder flange, and grasping mechanism catches hole system work
When part, holddown spring device to hole system workpiece applies downward compression elastic force.
5. inner hole swelling grasping mechanism according to claim 1, it is characterised in that: pull rod lower end is provided with extrusion head, squeezes
Pressure head is formed as frustum cone structure；
Expansion set lower section is formed as three-clove style structure, and expansion set lower section includes swelling section, and swelling section is arranged close to expansion set lower end, swelling section
The expansion set outer wall at place is vertical, and the expansion set inner wall at swelling section upwardly and inwardly tilts；
Expansion set inner wall at extrusion head and swelling section cooperates, and when extrusion head moves up, extrusion head squeezes swelling section and extends out, expansion set stretching
The hole wall of hole system workpiece.
6. inner hole swelling grasping mechanism according to claim 2 or 5, it is characterised in that: tightening sleeve upper section and the equal shape of lower section
As three-clove style structure, tightening sleeve outer wall is vertically arranged, and inner wall of the tightening sleeve at its lower end upwardly and inwardly tilts；
Expansion set lower section further includes tightening section, and tightening section is connected with swelling section, and tightens section and be located at swelling section top, is tightened at section
Expansion set outer wall is upwardly and inwardly obliquely installed；
The inner wall that the tightening section and tightening sleeve of expansion set are obliquely installed cooperates, and when extrusion head moves down, tightening sleeve squeezes tightening section, expansion set
Interior receipts.
7. inner hole swelling grasping mechanism according to claim 6, it is characterised in that: the swelling section of expansion set connects with tightening section
Place is provided with the limited step for preventing pull rod process excessive, and when pull rod is located at lower limit, tightening sleeve lower end contradicts limiting stand
Rank.
8. inner hole swelling grasping mechanism according to claim 7, it is characterised in that: power part uses cylinder to mention for enforcement division
For power, the piston head of pull rod and cylinder piston rod is connected, and is provided between cylinder baffle and piston head for preventing pull rod from returning
The excessive limited block of journey, when pull rod is located at upper limit, piston head contradicts limited block.
9. inner hole swelling grasping mechanism according to claim 8, it is characterised in that: cylinder stroke is greater than the pull rod row of demand
Journey.
10. inner hole swelling grasping mechanism according to claim 8, it is characterised in that: pull rod outer wall is set at the upper end
It is equipped with annular groove, piston head is sticked in annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910490478.XA CN110103244B (en) | 2019-06-06 | 2019-06-06 | Inner hole expanding and grabbing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910490478.XA CN110103244B (en) | 2019-06-06 | 2019-06-06 | Inner hole expanding and grabbing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110103244A true CN110103244A (en) | 2019-08-09 |
| CN110103244B CN110103244B (en) | 2024-04-19 |
Family
ID=67494214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910490478.XA Active CN110103244B (en) | 2019-06-06 | 2019-06-06 | Inner hole expanding and grabbing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110103244B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110587636A (en) * | 2019-09-10 | 2019-12-20 | 四川航天神坤科技有限公司 | Automatic snatch mechanism |
| CN110788072A (en) * | 2019-11-20 | 2020-02-14 | 东阳韵源自动化科技有限公司 | Chain cleaning device capable of automatically oiling |
| CN114012402A (en) * | 2021-11-08 | 2022-02-08 | 无锡威孚精密机械制造有限责任公司 | Tool for press-mounting spring in pump |
| CN115446506A (en) * | 2022-09-29 | 2022-12-09 | 苏州凯尔博精密机械有限公司 | Hot gas welding mechanism of automobile air suspension air chamber and welding process thereof |
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| CN110788072A (en) * | 2019-11-20 | 2020-02-14 | 东阳韵源自动化科技有限公司 | Chain cleaning device capable of automatically oiling |
| CN114012402A (en) * | 2021-11-08 | 2022-02-08 | 无锡威孚精密机械制造有限责任公司 | Tool for press-mounting spring in pump |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110103244B (en) | 2024-04-19 |
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