CN208231306U - A kind of connecting rod processing clamp - Google Patents
A kind of connecting rod processing clamp Download PDFInfo
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- CN208231306U CN208231306U CN201820727752.1U CN201820727752U CN208231306U CN 208231306 U CN208231306 U CN 208231306U CN 201820727752 U CN201820727752 U CN 201820727752U CN 208231306 U CN208231306 U CN 208231306U
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- connecting rod
- positioning pin
- positioning
- support component
- anchor plate
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Abstract
The utility model discloses a kind of connecting rod processing clamps, belong to connecting rod production and processing technical field, including ontology and control mechanism, at least one first clamp system is provided on ontology, first clamp system includes the first positioning support component, the first Anchor plate kit, the first actuator for placing connecting rod, first Anchor plate kit is oppositely arranged with the first positioning support component, and the first actuator is connect with control mechanism, and is able to drive the first Anchor plate kit to the first positioning support component movement and is compressed connecting rod.The utility model can be realized the positioning and support to connecting rod by the first positioning support component of setting；It drives the first Anchor plate kit to move to the first support component by the first actuator and compresses connecting rod, it realizes the Automatic-clamping to connecting rod or loosens, it being capable of raising production efficiency effectively, and the amount of exercise of the first Anchor plate kit is controlled to accurately control the clamping force applied to connecting rod by control mechanism the first actuator of control, guarantee the processing quality of connecting rod.
Description
Technical field
The utility model relates to connecting rod production and processing technical field more particularly to a kind of connecting rod processing clamps.
Background technique
Connecting rod is one of main transmission mechanism of automobile engine, it connects piston and crankshaft, acting on work
The expanding gas pressure at plug top is transmitted to crankshaft, and the linear reciprocating motion of piston is made to be reversibly converted to the rotary motion of crankshaft,
With output power.
Conventional linkage clamp for machining is using the positioning method that positioning pin and block are arranged on bottom plate, and connecting rod is by manually passing through
The size of the positioning and locking that bolt carries out, clamping force is difficult to control, and excessive be easy to cause of clamping force causes to damage to connecting rod, mistake
It is small that connecting rod is easy to cause to fall off in process, and one connecting rod of every processing will dismount a fixture, processing effect manually
Rate is low, large labor intensity, and higher to the technical requirements of worker, reduces production efficiency.
Utility model content
The purpose of this utility model is to provide a kind of connecting rod processing clamp, to solve existing in the prior art to pass through people
Work is positioned to connecting rod and is locked low efficiency using bolt, and clamping force is difficult to control, large labor intensity, the low skill of production efficiency
Art problem.
As above design, the technical scheme adopted by the utility model is
A kind of connecting rod processing clamp, including ontology and control mechanism are provided at least one on the ontology and first clamp
Mechanism, first clamp system include:
First positioning support component, is provided with connecting rod；
First Anchor plate kit and the first actuator, first Anchor plate kit is opposite with the first positioning support component to be set
It sets, first actuator is connected with the control mechanism, and it is fixed to described first to be able to drive first Anchor plate kit
Position support component moves and compresses the connecting rod.
Further, the first positioning support component includes the first positioning pin, the second positioning pin and respectively along described the
The first supporting block, the second supporting block that one positioning pin, second positioning pin are circumferentially arranged.
Further, the diameter of first positioning pin be greater than second positioning pin diameter, first positioning pin,
Second positioning pin is tensioner pin.
Further, first Anchor plate kit includes the first pressing plate and the second pressing plate, first pressing plate, described second
One end of pressing plate is all connected with the actuator, and the other end is provided with pressure head.
Further, first actuator is hydraulic cylinder, the output end connection of the hydraulic cylinder first pressure
Board group part.
Further, first clamp system further includes limit assembly, and it is fixed that the limit assembly is set to described first
Between position pin and second positioning pin, the connecting rod can be limited.
Further, at least one second clamp system is additionally provided on the ontology, second clamp system includes
Second positioning support component, the second Anchor plate kit and the second actuator are provided with the connecting rod on the second positioning support component；Institute
It states the second Anchor plate kit to be oppositely arranged with the second positioning support component, second actuator is able to drive second pressure
Board group part is to the second positioning support component movement and compresses the connecting rod.
Further, the second positioning support component includes third positioning pin, the 4th positioning pin and is arranged respectively
In third supporting block, the 4th supporting block on the third positioning pin, the 4th positioning pin.
Further, the diameter of the third positioning pin is greater than the diameter of the 4th positioning pin, and the third positions
Pin and the 4th positioning pin are tensioner pin.
The utility model has the beneficial effects that
The utility model proposes connecting rod processing clamp, by be arranged the first positioning support component, can be realized to connecting rod
Positioning and support；By setting the first Anchor plate kit and the first actuator, the first actuator drives the first Anchor plate kit to the
One positioning support component move and compresses connecting rod, and realization is to the Automatic-clamping of connecting rod or loosens, and the clamping of connecting rod or loosens efficiency
Height, can raising production efficiency effectively, and the first actuator is controlled to control the first Anchor plate kit by control mechanism
Amount of exercise come control to connecting rod apply clamping force, can prevent clamping force is too small connecting rod is caused to fall in process,
Or clamping force is excessive causes to damage to rod surface, guarantees the processing quality of connecting rod.
Detailed description of the invention
Fig. 1 is the partial structural diagram of connecting rod processing clamp provided by the utility model；
Fig. 2 is the structural schematic diagram of the first clamp system provided by the utility model；
Fig. 3 is the structural schematic diagram of the second clamp system provided by the utility model；
Fig. 4 is the structural schematic diagram of connecting rod provided by the utility model.
In figure:
1, ontology；
2, the first clamp system；21, the first pressing plate；211, the first pressure head；22, the second pressing plate；221, the second pressure head；23,
First positioning pin；24, the second positioning pin；251, the first supporting block；252, the second supporting block；261, the first drive rod；262,
Two drive rods；271, the first limited block；272, the second limited block；
3, the second clamp system；31, third pressing plate；32, the 4th pressing plate；33, third positioning pin；34, the 4th positioning pin；
351, third supporting block；352, the 4th supporting block；361, third drive rod；362, the 4th drive rod；371, third limited block；
372, the 4th limited block；38, hinged seat；
4, connecting rod；41, big end；411, first through hole；42, connecting rod shank；43, small end of connecting rod；431, the second through-hole.
Specific embodiment
The technical issues of to solve the utility model, the technical solution of use and the technical effect that reaches are clearer,
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.It is understood that
Specific embodiment described herein is used only for explaining the utility model, rather than the restriction to the utility model.In addition it also needs
It is noted that illustrating only part relevant to the utility model for ease of description, in attached drawing and not all.
As shown in Figure 1 to Figure 3, a kind of connecting rod processing clamp is present embodiments provided, for connecting rod shown in clamping Fig. 4
4, connecting rod 4 includes big end 41, connecting rod shank 42 and small end of connecting rod 43, and big end 41 offers first through hole 411, and connecting rod is small
First 43 offer the second through-hole 431.
As shown in Figure 1, the connecting rod processing clamp includes ontology 1 and control mechanism (not shown), it is provided on ontology 1
At least one first clamp system 2.Fig. 1 is the partial structural diagram of the connecting rod processing clamp, show only one of them the
The structure of one clamp system 2, there are four the first clamp systems 2, certain first to clamp for setting actually on the connecting rod processing clamp
The quantity of mechanism 2 can be configured according to actual needs.By the way that four the first clamp systems 2 are arranged, clamped one time can be realized
Four connecting rods 4 improve processing production capacity.
First clamp system 2 includes the first positioning support component, the first Anchor plate kit and the first actuator, company to be processed
Bar 4 is arranged on the first positioning support component.First actuator is electrically connected with control mechanism, the first Anchor plate kit and the first positioning
Support component is oppositely arranged, and the first actuator is able to drive the first Anchor plate kit to the first positioning support component movement and is pressed on
Connecting rod 4, that is, the support and positioning to connecting rod 4 are realized by the first positioning support component, it is compressed by the first Anchor plate kit
The clamping of the realization connecting rod 4 of connecting rod 4.
By the way that the first positioning support component is arranged, the positioning of connecting rod 4 can be realized；Pass through the first Anchor plate kit of setting and the
One actuator, the first actuator drive the first Anchor plate kit to the first positioning support component movement and to compress connecting rod 4, realize to even
The Automatic-clamping of bar 4 loosens, the clamping of connecting rod 4 or loosen it is high-efficient, can raising production efficiency effectively, and pass through
Control mechanism controls the first actuator come the clamping force for controlling the amount of exercise of the first Anchor plate kit to control to the application of connecting rod 4, energy
Enough prevent clamping force is too small to cause connecting rod 4 to fall in process or clamping force is excessive causes to damage to 4 surface of connecting rod,
Guarantee the processing quality of connecting rod 4.
As depicted in figs. 1 and 2, the first positioning support component includes the first positioning pin 23 and the second positioning pin 24, and first is fixed
The diameter of position pin 23 is greater than the diameter of the second positioning pin 24, and the first through hole 411 of the first positioning pin 23 and big end 41 matches
It closes, realizes the positioning to big end 41, the second through-hole 431 of the second positioning pin 24 and small end of connecting rod 43 cooperates, realizes to even
The positioning of bar microcephaly 43.In the present embodiment, the first positioning pin 23 and the second positioning pin 24 are tensioner pin.By the way that tensioner is arranged
Pin can be realized the first positioning pin 23 and the inner wall of first through hole 411, the inner wall of the second positioning pin 24 and the second through-hole 431
Face fits closely, and eliminates the error of position gap, realizes the accurate positionin to connecting rod 4.
First positioning component further includes the first supporting block 251 and the second supporting block 252, wherein the first supporting block 251 is equipped with
Two, and the first supporting block 251 accurately positions and stablizes to provide connecting rod 4 along the circumferential direction setting of the first positioning pin 23
Support, the first supporting block 251 is fitted closely with the first positioning pin 23, and the first supporting block 251 is affixed with the first positioning pin 23
The face of conjunction is arcwall face, guarantees that the first supporting block 251 is bonded closely with the outer peripheral surface of the second positioning pin 24.Second supporting block 252
It is provided with one, is fitted closely with the second positioning pin 24, the face that the second supporting block 252 and the second positioning pin 24 fit is arc
Shape face guarantees that the second supporting block 252 is bonded closely with the outer peripheral surface of the second positioning pin 24.In clamping connecting rod 4, work as big end
41 first through hole 411 is sheathed on the first positioning pin 23, the second through-hole 431 of small end of connecting rod 43 is sheathed on the second positioning pin 24
When upper, big end 41 is close to the top surface face contact of the one side and the first supporting block 251 of ontology 1, and small end of connecting rod 43 is close to ontology 1
One side contacted with the top surface of the second supporting block 252, so that the first supporting block 251 and the second supporting block 252 are realized to connecting rod 4
Support.The structure of first supporting block 251 and the second supporting block 252 can be configured according to actual needs, replace the first supporting block
251 and second supporting block 252, it can be realized and provide support to different types of connecting rod 4, and carry out following process.
First Anchor plate kit includes the first pressing plate 21 and the second pressing plate 22, wherein the first pressing plate 21 and the first supporting block 251,
First positioning pin 23 matches, and the first pressing plate 21 compresses and is provided with the first pressure head 211 at the big end 41 of connecting rod 4.Second pressure
Plate 22 and the second supporting block 252, the second positioning pin 24 match, and the second pressing plate 22 compresses to be arranged at the small end of connecting rod 43 of connecting rod 4
There is the second pressure head 221.In the present embodiment, the first pressure head 211 and the second pressure head 221 are made of copper, this is because copper is hard
Spend it is relatively low, can be avoided to connecting rod 4 apply clamping force when biggish damage is caused to connecting rod 4.
In the present embodiment, the first actuator include two hydraulic cylinders, two hydraulic cylinders respectively with control mechanism phase
The output end of connection, one of hydraulic cylinder connects a connecting rod, and the both ends of connecting rod are separately connected 261 He of the first drive rod
Second drive rod 262, so that the output end of hydraulic cylinder can drive the first drive rod 261 and the second drive rod 262 simultaneously
Axis direction along the first positioning pin 23 moves reciprocatingly.First pressing plate 21 drives far from one end connection first of the first pressure head 211
Lever 261, the second pressing plate 22 connect the second drive rod 262, the first pressing plate 21, the second pressing plate far from one end of the second pressure head 221
22 can do back and forth in the axis direction of the first drive rod 261, the first positioning pin of drive lower edge 23 of the second drive rod 262 respectively
Movement is realized the clamping to connecting rod 4 or is loosened.The output end of another hydraulic cylinder is separately connected the first positioning pin 23 and second
Positioning pin 24 is able to drive the first positioning pin 23 and the second positioning pin 24 and deviates from from the two of connecting rod 4 through-holes respectively.
As shown in Fig. 2, the first clamp system 2 further includes the first limit assembly, the first limit assembly is set to the first positioning
Between pin 23 and the second positioning pin 24, connecting rod 4 can be limited.First limit assembly includes the first limited block 271 and two
A second limited block 272, the first limited block 271 are set to the first positioning pin 23 close to the side of the second positioning pin 24, and first
271 top of limited block is set as arc-shaped surface close to the one side of connecting rod 4, can fit with the side at big end 41,
Connecting rod 4 is limited, prevents connecting rod 4 from offsetting.It is fixed that two the second limited blocks 272 are set to the first positioning pin 23 and second
Between the pin 24 of position, and two 272 relative spacing of the second limited block settings, connecting rod shank 42 is limited, prevents connecting rod 4 from mistake occurs
It moves, influences the processing of connecting rod 4.
As shown in figures 1 and 3, at least one second clamp system 3 is additionally provided on the ontology 1 of the connecting rod processing clamp,
The clamping force that second clamp system 3 and above-mentioned first clamp system 2 apply connecting rod 4 it is of different sizes, being capable of the company of realization respectively
The Precision Machining and roughing of bar 4.Fig. 1 is the partial structural diagram of the connecting rod processing clamp, show only one of them the
Two clamp systems 3, the second clamp system 3 there are four settings actually on the connecting rod processing clamp, certain second clamp system 3
Quantity can be configured according to actual needs.By the way that four the second clamp systems 3 are arranged, it can be realized four connecting rods of clamped one time
4, improve processing production capacity.
Second clamp system 3 includes the second positioning support component, the second Anchor plate kit and the second actuator, company to be processed
Bar 4 is arranged on the second positioning support component, and the second positioning support component includes third positioning pin 33 and the 4th positioning pin 34, the
The diameter of three positioning pins 33 is greater than the diameter of the 4th positioning pin 34, the first through hole 411 of third positioning pin 33 and big end 41
It matches, realizes the positioning to big end 41, the 4th positioning pin 34 is matched with the second through-hole 431 of small end of connecting rod 43, real
Now to the positioning of small end of connecting rod 43.In the present embodiment, third positioning pin 33 and the 4th positioning pin 34 are tensioner pin, by setting
Tensioner pin is set, can be realized third positioning pin 33 and 411 inner wall of first through hole, the 4th positioning pin 34 and the second through-hole 431
Inner wall fits closely, and eliminates the error of position gap, realizes the accurate positionin to connecting rod 4.
Second positioning component further includes third supporting block 351 and the 4th supporting block 352, and wherein third supporting block 351 is arranged
In on third positioning pin 33, the 4th supporting block 352 is sheathed on the 4th positioning pin 34.In clamping connecting rod 4, when big end 41
First through hole 411 be sheathed on third positioning pin 33, the second through-hole 431 of small end of connecting rod 43 is sheathed on the 4th positioning pin 34
When, big end 41 is contacted close to the one side of ontology 1 with the top surface of third supporting block 351, small end of connecting rod 43 close to ontology 1 one
Face is contacted with the top surface of the 4th supporting block 352, so that third supporting block 351 and the 4th supporting block 352 realize the branch to connecting rod 4
Support.
The structure of third supporting block 351 and the 4th supporting block 352 can be configured according to actual needs, replacement third support
Block 351 and the 4th supporting block 352 can be realized and provide support to different types of connecting rod 4, and carry out following process.
Second Anchor plate kit includes third pressing plate 31 and the 4th pressing plate 32, wherein there are two the settings of third pressing plate 31, two
Third pressing plate 31 is matched with third supporting block 351, third positioning pin 33, and third pressing plate 31 compresses the big end 41 of connecting rod 4
Place.4th pressing plate 32 is set to be matched with the 4th supporting block 352, the 4th positioning pin 34, and the 4th pressing plate 32 is pressed on the connecting rod of connecting rod 4
At microcephaly 43.
Second driving assembly includes two hydraulic cylinders, and two hydraulic cylinders are connected with control mechanism respectively, wherein one
The output end of a hydraulic cylinder connects a connecting plate, and connecting plate is separately connected two third drive rods 361 and one the 4th driving
Bar 362 enables the output end of hydraulic cylinder to drive two third drive rods 361 and 362 edge of the 4th drive rod simultaneously
The axis direction of third positioning pin 33 moves reciprocatingly.31 one end of third pressing plate connects third drive rod 361, and the other end can select
Selecting property is pressed on connecting rod 4, and 32 one end of the 4th pressing plate connects the 4th drive rod 362, and the other end can selectively be pressed on connecting rod 4
On.Third pressing plate 31 and the 4th pressing plate 32 can be respectively under the drive of third drive rod 361 and the 4th drive rod 362 along thirds
The axis direction of positioning pin 33 moves reciprocatingly, and realizes the clamping to connecting rod 4 or loosens.The output end of another hydraulic cylinder point
Not Lian Jie third positioning pin 33 and the 4th positioning pin 34, be able to drive third positioning pin 33 and the 4th positioning pin 34 respectively from connecting rod
Deviate from 4 two through-holes.
Above-mentioned third pressing plate 31, which is also rotatably connected to, is hinged seat 38, and specifically, third pressing plate 31 and hinged seat 38 are hinged,
When the movement of the 4th drive rod 362, third pressing plate 31 is able to drive with respect to the rotation of hinged seat 38, so that third pressing plate 31 is far from the
One end of four drive rods 362 is moved close to or far from third supporting block 351, and then is realized to the clamping of connecting rod 4 or loosened.
As shown in figure 3, the second clamp system 3 further includes the second limit assembly, the second limit assembly includes third limited block
371 and two the 4th limited blocks 372, third limited block 371 is cylindrical structure, and is set to 33 side of third positioning pin, energy
It is enough that connecting rod 4 is limited, prevent connecting rod 4 from offsetting.4th limited block 372 is identical as the structure of the second limited block 272, and two
Between a 4th limited block 372 is set between third positioning pin 33 and the 4th positioning pin 34, and two the 4th limited blocks 372 are opposite
Every setting, connecting rod shank 42 is limited, prevents connecting rod 4 from occurring to offset and influence the processing of connecting rod 4.
The connecting rod processing clamp applies biggish pressing force to connecting rod 4 by the first clamp system 2, realizes the thick of connecting rod 4
Processing；Lesser pressing force is applied to connecting rod 4 by the second clamp system 3, so that the deformation that even 4 bars generate is smaller, realization pair
It is biggish to the processing generation of connecting rod 4 to avoid the deformation that connecting rod 4 generates under the action of pressing force for the Precision Machining of connecting rod 4
It influences.Moreover, the Precision Machining of the roughing of multiple connecting rods 4, multiple connecting rods 4 can carry out simultaneously, 4 production line of connecting rod is improved
Efficiency and production capacity.
By taking the roughing of connecting rod as an example, the connecting rod processing clamp course of work is discussed in detail.
Firstly, the first through hole 411 of connecting rod 4 to be processed is directed at the first positioning pin 23, the second through-hole 431 alignment second
Positioning pin 24 realizes the positioning to connecting rod 4, while connecting rod 4 is abutted with the first supporting block 251, the second supporting block 252, realization pair
The support of connecting rod 4.
Secondly, the hydraulic cylinder movement of control mechanism control connection the first pressing plate 21, the second pressing plate 22, drives the first pressing plate
21, the second pressing plate 22 is moved along the axis direction of the first positioning pin 23 to connecting rod 4, and compresses connecting rod 4, realizes the compression of connecting rod 4.
Then, to big end 41, connecting rod shank 42 and small end of connecting rod 43 outer surface after processing is completed, control mechanism control
The hydraulic cylinder movement for connecting the first positioning pin 23, the second positioning pin 24 drives the first positioning pin 23, the second positioning pin 24 from the
Abjection in one through-hole 411, the second through-hole 431, then processes first through hole 411 and the second through-hole 431.
Finally, after processing is completed to first through hole 411 and the second through-hole 431, control mechanism control the first positioning pin of connection
23, the hydraulic cylinder movement of the second positioning pin 24, drives the first positioning pin 23,24 homing of the second positioning pin, then controls
Mechanism controls connect the hydraulic cylinder movement of the first pressing plate 21, the second pressing plate 22, drive the first pressing plate 21, the second pressing plate 22 reversed
It moves and loosens connecting rod 4.
Embodiment of above only elaborates the basic principles and features of the present invention, and the utility model is not by above-mentioned reality
The mode of applying limits, and on the premise of not departing from the spirit and scope of the utility model, the present invention has various changes and changes,
These changes and changes fall within the scope of the claimed invention.The utility model requires protection scope is by appended
Claims and its equivalent thereof.
Claims (9)
1. a kind of connecting rod processing clamp, which is characterized in that including ontology (1) and control mechanism, be provided on the ontology (1) to
Few first clamp system (2), first clamp system (2) include:
First positioning support component is provided with connecting rod (4)；
First Anchor plate kit and the first actuator, first Anchor plate kit are oppositely arranged with the first positioning support component,
First actuator is connected with the control mechanism, and is able to drive first Anchor plate kit to the first positioning branch
Support component moves and compresses the connecting rod (4).
2. connecting rod processing clamp according to claim 1, which is characterized in that the first positioning support component includes first
Positioning pin (23), the second positioning pin (24) and respectively along first positioning pin (23), second positioning pin (24) circumferentially set
The first supporting block (251), the second supporting block (252) set.
3. connecting rod processing clamp according to claim 2, which is characterized in that the diameter of first positioning pin (23) is greater than
The diameter of second positioning pin (24), first positioning pin (23), second positioning pin (24) are tensioner pin.
4. connecting rod processing clamp according to claim 1, which is characterized in that first Anchor plate kit includes the first pressing plate
(21) and the second pressing plate (22), first pressing plate (21), second pressing plate (22) one end be all connected with first driving
Part, the other end are provided with pressure head.
5. connecting rod processing clamp according to claim 1, which is characterized in that first actuator is hydraulic cylinder, institute
The output end for stating hydraulic cylinder connects first Anchor plate kit.
6. connecting rod processing clamp according to claim 2, which is characterized in that first clamp system (2) further includes limit
Hyte part, the limit assembly are set between first positioning pin (23) and second positioning pin (24), can be to institute
Connecting rod (4) is stated to be limited.
7. connecting rod processing clamp according to claim 1, which is characterized in that be additionally provided at least one on the ontology (1)
A second clamp system (3), second clamp system (3) include:
Second positioning support component is provided with the connecting rod (4)；
Second Anchor plate kit and the second actuator, second Anchor plate kit are oppositely arranged with the second positioning support component,
Second actuator is able to drive second Anchor plate kit to the second positioning support component movement and compresses the company
Bar (4).
8. connecting rod processing clamp according to claim 7, which is characterized in that the second positioning support component includes third
Positioning pin (33), the 4th positioning pin (34) and it is sheathed on the third positioning pin (33) respectively, on the 4th positioning pin (34)
Third supporting block (351), the 4th supporting block (352).
9. connecting rod processing clamp according to claim 8, which is characterized in that the diameter of the third positioning pin (33) is greater than
The diameter of 4th positioning pin (34), and the third positioning pin (33) and the 4th positioning pin (34) they are tensioner pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820727752.1U CN208231306U (en) | 2018-05-16 | 2018-05-16 | A kind of connecting rod processing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820727752.1U CN208231306U (en) | 2018-05-16 | 2018-05-16 | A kind of connecting rod processing clamp |
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| Publication Number | Publication Date |
|---|---|
| CN208231306U true CN208231306U (en) | 2018-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820727752.1U Active CN208231306U (en) | 2018-05-16 | 2018-05-16 | A kind of connecting rod processing clamp |
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| CN (1) | CN208231306U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944865A (en) * | 2019-03-26 | 2019-06-28 | 承德苏垦银河连杆有限公司 | A kind of crank pin end pore interior wall construction and its processing method |
-
2018
- 2018-05-16 CN CN201820727752.1U patent/CN208231306U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944865A (en) * | 2019-03-26 | 2019-06-28 | 承德苏垦银河连杆有限公司 | A kind of crank pin end pore interior wall construction and its processing method |
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