CN110355429A - The hydraulic positioning robot's workbench of adaptive elliptic gear - Google Patents
The hydraulic positioning robot's workbench of adaptive elliptic gear Download PDFInfo
- Publication number
- CN110355429A CN110355429A CN201910712209.3A CN201910712209A CN110355429A CN 110355429 A CN110355429 A CN 110355429A CN 201910712209 A CN201910712209 A CN 201910712209A CN 110355429 A CN110355429 A CN 110355429A
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- CN
- China
- Prior art keywords
- elliptic gear
- hydraulic
- adaptive
- supporting table
- sequence valve
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/02—Loading, unloading or chucking arrangements for workpieces
- B23F23/06—Chucking arrangements
Abstract
The invention discloses a kind of adaptive hydraulic positioning robot's workbench of elliptic gear, it includes the first supporting table, second supporting table, Liang Ge adaptive location mechanism, two hydraulic rotating hold-down mechanisms and hydraulic drive mechanism, hydraulic drive mechanism includes twin shaft output synchronous fuel tank, sequence valve, three-way connection, two output ends of twin shaft output synchronous fuel tank are connect with adaptive location mechanism driving respectively, one interface of sequence valve is connected on twin shaft output synchronous fuel tank, sequence valve links together with three-way connection, check valve is also set up between sequence valve and three-way connection；Adaptive location mechanism is arranged by elliptic gear long axis two sides in the present invention, and hydraulic rotating hold-down mechanism is set at elliptic gear long axis both ends, then under the hydraulic way control of hydraulic drive mechanism, to successively clamp in the horizontal direction and the vertical direction, compress elliptic gear, to realize clamping, the positioning of elliptic gear, the clamping efficiency of elliptic gear is greatly improved.
Description
Technical field
The present invention relates to elliptic gear mounting technology fields, more particularly to a kind of adaptive hydraulic localization machine of elliptic gear
Device people's workbench.
Background technique
Elliptic gear is one kind of non-circular special gear, is widely used in the stream such as elliptic gear pump, oval gear flowmeter
In body conveying metering machinery；And elliptic gear is in assembling process, is all often artificial progress coarse localization clamping, leads to ellipse
The assembly efficiency of gear is low, does not there is the fixture for elliptic gear clamping yet on the market.
Summary of the invention
It is an object of the invention to overcome disadvantages described above, a kind of hydraulic positioning machine of adaptive elliptic gear is provided
People's workbench.
To achieve the above object, concrete scheme of the invention is as follows:
A kind of hydraulic positioning robot's workbench of adaptive elliptic gear, the first supporting table including frame shape are mounted on first
Support platform on the second supporting table, two be symmetricly set on the adaptive location mechanism of the second supporting table two sides, two be symmetrical arranged
Hydraulic rotating hold-down mechanism at the second supporting table both ends, the liquid for driving Liang Ge adaptive location mechanism synchronous backward to move
Driving mechanism is pressed, the hydraulic rotating hold-down mechanism is used to compress the both ends of elliptic gear long axis, the adaptive location mechanism
For clamping elliptic gear from elliptic gear short axle direction of both ends；The hydraulic drive mechanism include twin shaft output synchronous fuel tank,
Two output ends of sequence valve, three-way connection, the twin shaft output synchronous fuel tank are connect with adaptive location mechanism driving respectively,
One interface of the sequence valve is connected on twin shaft output synchronous fuel tank, an interface of the sequence valve and three-way connection
One interface links together, and an interface of the sequence valve is used to connect with extraneous fuel delivery device, the three-way connection
Other two interface passes through oil pipe respectively and connect with hydraulic rotating hold-down mechanism, also sets up between the sequence valve and three-way connection
Check valve, the check valve are used for the conducting and disconnection of control sequence valve and three-way connection.
Wherein, the hydraulic drive mechanism further includes the linear slide component for being disposed side by side on the second supporting table two sides, and two
A adaptive location mechanism is connect with linear slide component slippage respectively.
Wherein, the adaptive location mechanism include oil cylinder link block, L-shaped locating support, guide groove, two it is L-shaped
Chain stay and positioning chain, the oil cylinder link block are connect with the output end of twin shaft output synchronous fuel tank, the positioning branch
One end of frame is connected on linear slide component, and the guide groove is fixed on the other end of locating support, the guide groove
It is inside slidably connected there are two sliding block is resetted, is connected with reset spring, two chain stays between two reset sliding blocks
One end be separately fixed on two sliding blocks, it is described positioning chain both ends be respectively hinged on two chain stays, it is described fixed
Intervals are waited to be connected with roll shaft on the chain of position.
Wherein, the hydraulic rotating hold-down mechanism includes compressed oil cylinder, spirally-guided cylinder, L-shaped rotation pressure arm and briquetting,
The compressed oil cylinder is fixed in the first supporting table, and the spirally-guided cylinder is fixed on the top surface of the first supporting table, the rotation
One end of pressure arm is sheathed in spirally-guided cylinder, and is sequentially connected with the output end of compressed oil cylinder, and the spirally-guided cylinder is first-class
Spacing is equipped with threaded hole, and one end of the rotation pressure arm corresponds to threaded hole and is provided with Rotational Cylindrical, and the Rotational Cylindrical is embedded in threaded hole
Interior, the briquetting is detachably connected on the other end of rotation pressure arm.
Wherein, the other end of the rotation pressure arm is equipped with strip-shaped hole, and the briquetting is removably mounted in strip-shaped hole.
The invention has the benefit that compared with prior art, the present invention is arranged adaptive by elliptic gear long axis two sides
Positioning mechanism is answered, and hydraulic rotating hold-down mechanism is set at elliptic gear long axis both ends, then in the liquid of hydraulic drive mechanism
Pressure mode controls down, to successively clamp in the horizontal direction and the vertical direction, compress elliptic gear, to realize elliptic gear
Clamping, positioning, greatly improve the clamping efficiency of elliptic gear, the present invention is dexterously arranged between sequence valve and three-way connection
Check valve, to reach adaptive location mechanism and hydraulic rotating hold-down mechanism successively works, structure is simple, saves cost, and
Using hydraulic driving mode, keep two adaptive location mechanism kinematic inertia smaller, conducive to the flank of tooth of protection elliptic gear, manipulation
It is easy to control.
Detailed description of the invention
Fig. 1 is the perspective view of adaptive elliptic gear hydraulic location device provided in an embodiment of the present invention；
Fig. 2 is the top view of adaptive elliptic gear hydraulic location device provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of hydraulic drive mechanism provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram at another visual angle of hydraulic drive mechanism provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram that sequence valve, three-way connection and check valve provided in an embodiment of the present invention cooperate；
Fig. 6 is the decomposition diagram of adaptive location mechanism provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of hydraulic rotating hold-down mechanism provided in an embodiment of the present invention；
Fig. 8 is to use shape using adaptive elliptic gear hydraulic location device positioning elliptic gear provided in an embodiment of the present invention
State figure；
Description of symbols: the first supporting table of 1-；The second supporting table of 2-；3- adaptive location mechanism；31- oil cylinder link block；32-
Locating support；33- guide groove；34- chain stay；35- positions chain；351- roll shaft；36- resets sliding block；37- reset spring；
4- hydraulic rotating hold-down mechanism；41- compressed oil cylinder；42- spirally-guided cylinder；421- threaded hole；43- rotates pressure arm；431- rotation
Column；432- strip-shaped hole；44- briquetting；5- hydraulic drive mechanism；51- twin shaft exports synchronous fuel tank；52- sequence valve；53- tri- is connected
Head；54- oil pipe；55- check valve；56- linear slide component.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments, is not reality of the invention
It applies range and is confined to this.
As shown in Figures 1 to 8, a kind of adaptive hydraulic positioning robot's workbench of elliptic gear described in the present embodiment,
The first supporting table 1 including frame shape, the second supporting table 2, two being mounted in the first supporting table 1 are symmetricly set on the second support
3, two, the adaptive location mechanism of 2 two sides of platform is symmetricly set on the hydraulic rotating hold-down mechanism 4 at 2 both ends of the second supporting table, uses
In the hydraulic drive mechanism 5 of driving 3 synchronous backward of Liang Ge adaptive location mechanism movement, the hydraulic rotating hold-down mechanism 4 is used
In the both ends for compressing elliptic gear long axis, the adaptive location mechanism 3 is used to clamp from elliptic gear short axle direction of both ends ellipse
Knucle-gear；The hydraulic drive mechanism 5 includes that twin shaft exports synchronous fuel tank 51, sequence valve 52, three-way connection 53, and the twin shaft is defeated
Two output ends of synchronous fuel tank 51 are sequentially connected with adaptive location mechanism 3 respectively out, and specifically, twin shaft exports synchronous fuel tank
51 are set to the lower section of the second supporting table 2, more compact structure, and an interface of the sequence valve 52 is connected to twin shaft output and synchronizes oil
On cylinder 51, an interface of the sequence valve 52 links together with an interface of three-way connection 53, the sequence valve 52
For one interface for connecting with extraneous fuel delivery device, other two interface of the three-way connection 53 passes through oil pipe 54 and liquid respectively
It presses rotary pressing mechanism 4 to connect, check valve 55 is also set up between the sequence valve 52 and three-way connection 53, the check valve 55 is used
In the conducting and disconnection of control sequence valve 52 and three-way connection 53.
The working method of the present embodiment is: elliptic gear being placed in the second supporting table 2 first, and is two hydraulic
Rotary pressing mechanism 4 is on the long axis direction of elliptic gear, and then extraneous fuel delivery device conveys hydraulic oil, liquid into sequence valve 52
Pressure oil enters after sequence valve 52 in twin shaft output synchronous fuel tank 51, due to the effect of check valve 55, is starting hydraulic oil
Shi Buhui enters in three-way connection 53, to make twin shaft output synchronous fuel tank 51 while drive 3 phase of Liang Ge adaptive location mechanism
To movement, Liang Ge adaptive location mechanism 3, close to elliptic gear, pushes elliptic gear to second from the two sides of elliptic gear long axis
The center of supporting table 2, adaptive location mechanism 3 adaptively cooperate with the teeth of elliptic gear, then clamp elliptic gear,
To realize the Primary Location of elliptic gear in the horizontal direction, after elliptic gear is clamped positioning in the horizontal direction, sequence
Hydraulic fluid pressure in valve 52 increases, and check valve 55 is opened, and hydraulic oil enters three-way connection 53, enters two liquid along oil pipe 54
Rotary pressing mechanism 4 is pressed, two hydraulic rotating hold-down mechanisms 4 is made to work, two hydraulic rotating hold-down mechanisms 4 act, and are hanging down
Histogram compresses the both ends of elliptic gear long axis upwards, and then elliptic gear is compressed, and realizes clamping, the positioning of gear；Wait need
When unclamping elliptic gear, extraneous fuel delivery device stops the fuel feeding into sequence valve 52, and twin shaft exports 51 oil extraction of synchronous fuel tank, simultaneously
Hydraulic rotating hold-down mechanism 4 also carries out oil extraction movement, thus 3 back movement of Shi Liangge adaptive location mechanism, two hydraulic swings
Turn 4 counteragent of hold-down mechanism, to realize release elliptic gear.
Adaptive location mechanism 3 is arranged by elliptic gear long axis two sides in the present embodiment, and in elliptic gear long axis two
End setting hydraulic rotating hold-down mechanism 4, then hydraulic drive mechanism 5 hydraulic way control under, thus in the horizontal direction and
It successively clamped in vertical direction, compress elliptic gear, to realize the clamping of elliptic gear, positioning, greatly improve elliptic gear
Clamping efficiency；Check valve 55 is dexterously arranged in the present embodiment between sequence valve 52 and three-way connection 53, to reach adaptive
Positioning mechanism 3 and hydraulic rotating hold-down mechanism 4 is answered successively to work, structure is simple, cost is saved, and use hydraulic driving mode,
3 motional inertias of Shi Liangge adaptive location mechanism are smaller, and conducive to the flank of tooth of protection elliptic gear, manipulation and control is convenient.
On the basis of based on the above embodiment, further, as shown in Figure 3 and Figure 4, the hydraulic drive mechanism 5 is also wrapped
Include the linear slide component 56 for being disposed side by side on 2 two sides of the second supporting table, Liang Ge adaptive location mechanism 3 respectively with linear slide
Component 56 is slidably connected, and provides guiding for the movement of 3 synchronous backward of Liang Ge adaptive location mechanism, movement is more stable, is conducive to two
Adaptive location mechanism 3 and elliptic gear precise match, structure are more reliable；Specifically, linear slide component 56 is sliding including straight line
Rail and linear slider, line slide rail are fixed in the first supporting table 1, and linear slider is slidably connected on line slide rail, adaptively
Positioning mechanism 3 is fixed together with linear slider.
On the basis of based on the above embodiment, further, as shown in fig. 6,3 oil cylinder of adaptive location mechanism connects
Block 31, L-shaped locating support 32,33, two L-shaped chain stays 34 of guide groove and positioning chain 35, the oil cylinder connection
Block 31 is connect with the output end of twin shaft output synchronous fuel tank 51, and one end of the locating support 32 is connected to linear slide component 56
On, the guide groove 33 is fixed on the other end of locating support 32, and being slidably connected in the guide groove 33, there are two reset
Sliding block 36, reset spring 37 is connected between two reset sliding blocks 36, and one end of two chain stays 34 is solid respectively
It is scheduled on two reset sliding blocks 36, the both ends of the positioning chain 35 are respectively hinged on two chain stays 34, the positioning
Equal intervals are connected with roll shaft 351 on chain 35；Specifically, the both ends of 32 bottom surface of locating support are respectively fixedly connected in linear slider
On, when work, the output end that twin shaft exports synchronous fuel tank 51 pulls two oil cylinder link blocks 31 simultaneously, and oil cylinder link block 31 drives
Locating support 32 is moved along line slide rail, when positioning the peak contact of chain 35 and elliptic gear, due to elliptic gear
The flank of tooth is inclined-plane, and roll shaft 351 is curved surface, between the flank of tooth of elliptic gear can be embedded on positioning chain 35 between adjacent roll shaft 351
Gap with continuing under drive for twin shaft output synchronous fuel tank 51, the straightway deformation of positioning chain 35, and is bonded elliptic gear
Excircle is embedded in the flank of tooth of more elliptic gears between two adjacent roll shafts 351, such as Fig. 8, simultaneously because positioning chain
The spacing of 35 deformation, positioning 35 both ends of chain becomes smaller, so that two reset sliding blocks 36 be driven to move towards, and compresses reset bullet
Spring 37；When unclamping elliptic gear, reset spring 37 restores elastic deformation, so that two reset sliding blocks 36 is pushed to be moved away from,
It is mobile that two reset sliding blocks 36 drive two chain stays 34, and then the straight line localization chain 35 of deformation is made to restore straight line again
Shape, convenient for next clamping elliptic gear.The present embodiment connects roll shaft 351 by spacing shafts equal on positioning chain 35, so as to
It can adaptively cooperate with the teeth of elliptic gear, and can preferably protect the flank of tooth of elliptic gear using roll shaft 351；Separately
Outside, the present embodiment with mode that the flank of tooth of elliptic gear is embedded between two adjacent roll shafts 351 in the horizontal direction on position
Elliptic gear makes adaptive location mechanism 3 can adapt to different moduluses and elliptic gear of different sizes, and use scope is more
Extensively, structure is more flexible, there are also using the flank of tooth of finishing as positioning datum, can get better positioning accuracy.
On the basis of based on the above embodiment, further, as shown in fig. 7, the hydraulic rotating hold-down mechanism 4 includes pressure
Locking oil cylinder 41, spirally-guided cylinder 42, L-shaped rotation pressure arm 43 and briquetting 44, the compressed oil cylinder 41 are fixed on the first supporting table 1
On, the spirally-guided cylinder 42 is fixed on the top surface of the first supporting table 1, and one end of the rotation pressure arm 43 is sheathed on spirally-guided
It in cylinder 42, and is sequentially connected with the output end of compressed oil cylinder 41, threaded hole 421 is equidistantly equipped on the spirally-guided cylinder 42,
One end of the rotation pressure arm 43 corresponds to threaded hole 421 and is provided with Rotational Cylindrical 431, and the Rotational Cylindrical 431 is embedded in threaded hole 421
Interior, the briquetting 44 is detachably connected on the other end of rotation pressure arm 43；Specifically, compressed oil cylinder 41 is connect with oil pipe 54,
When Liang Ge adaptive location mechanism 3 positions elliptic gear in the horizontal direction, hydraulic oil opens check valve 55, and hydraulic oil passes through three
Enter in compressed oil cylinder 41 after pass joint 53 and oil pipe 54, at this point, compressed oil cylinder 41 works, the drop-down rotation pressure arm of compressed oil cylinder 41
43, the Rotational Cylindrical 431 rotated on pressure arm 43 moves from top to bottom and along the threaded hole 421 on spirally-guided cylinder 42, rotation pressure
Arm 43 generates rotation during moving downward, and so that briquetting 44 is located at the top of elliptic gear, in continuing for compressed oil cylinder 41
Under effect, briquetting 44 contacts with elliptic gear and compresses elliptic gear；And opening procedure direction with the above process on the contrary, beating completely
After opening, rotation pressure arm 43 is in outside the second supporting table 2, is avoided interfering with extraneous section machinery, is released the second supporting table 2
The operating space of upper area, more reasonable structure；Preferably, the direction of rotation of two rotation pressure arms 43 is opposite.The present embodiment is logical
The cooperation of Rotational Cylindrical 431 crossing the threaded hole 421 on spirally-guided cylinder 42 and rotating on pressure arm 43 is slided, to realize rotation pressure arm
43 and evolution of the briquetting 44 in compaction process.
In the present embodiment, it is preferable that vertical section is set in the lower end of threaded hole 421, so that it is ellipse to realize that briquetting 44 is applied to
The pressure perpendicular of Knucle-gear is pressed on elliptic gear in the second supporting table 2, more reasonable structure in the surface of elliptic gear.
On the basis of based on the above embodiment, further, as shown in fig. 7, the other end of the rotation pressure arm 43 is equipped with
Strip-shaped hole 432, the briquetting 44 are removably mounted in strip-shaped hole 432, by adjusting difference of the briquetting 44 in strip-shaped hole 432
Position, so as to adapt to different size of elliptic gear, structure is more flexible, and elliptic gear compresses stronger.
The above is only a preferred embodiment of the invention, therefore all according to structure described in present patent application range
It makes, the equivalent change or modification that feature and principle are done, in the protection scope of present patent application.
Claims (6)
1. a kind of hydraulic positioning robot's workbench of adaptive elliptic gear, which is characterized in that it is characterised in that it includes frame shape
First supporting table (1), is symmetricly set on the second supporting table (2) two at the second supporting table (2) being mounted on the first supporting table (1)
The Liang Ge adaptive location mechanism (3) of side, two hydraulic rotating hold-down mechanisms for being symmetricly set on the second supporting table (2) both ends
(4), the hydraulic drive mechanism (5) for driving Liang Ge adaptive location mechanism (3) synchronous backward to move, the hydraulic rotating pressure
Tight mechanism (4) is used to compress the both ends of elliptic gear long axis, and the adaptive location mechanism (3) is used for from elliptic gear short axle two
Extreme direction clamps elliptic gear；The hydraulic drive mechanism (5) includes twin shaft output synchronous fuel tank (51), sequence valve (52), three
Pass joint (53), two output ends of twin shaft output synchronous fuel tank (51) are driven with adaptive location mechanism (3) respectively to be connected
It connecing, an interface of the sequence valve (52) is connected in twin shaft output synchronous fuel tank (51), and one of the sequence valve (52)
One interface of interface and three-way connection (53) links together, and an interface of the sequence valve (52) is used for and extraneous oil transportation
Device connection, other two interface of the three-way connection (53) pass through oil pipe (54) and hydraulic rotating hold-down mechanism (4) respectively
Connection, also sets up check valve (55) between the sequence valve (52) and three-way connection (53), and the check valve (55) is for controlling
The conducting and disconnection of sequence valve (52) and three-way connection (53).
2. a kind of adaptive hydraulic positioning robot's workbench of elliptic gear according to claim 1, which is characterized in that institute
Stating hydraulic drive mechanism (5) further includes the linear slide component (56) for being disposed side by side on the second supporting table (2) two sides, described in two
Adaptive location mechanism (3) is slidably connected with linear slide component (56) respectively.
3. a kind of adaptive hydraulic positioning robot's workbench of elliptic gear according to claim 2, which is characterized in that institute
State adaptive location mechanism (3) include oil cylinder link block (31), L-shaped locating support (32), guide groove (33), two it is L-shaped
Chain stay (34) and positioning chain (35), the output end of the oil cylinder link block (31) and twin shaft output synchronous fuel tank (51)
Connection, one end of the locating support (32) are connected on linear slide component (56), and being fixed on for the guide groove (33) is fixed
On the other end of position bracket (32), being slidably connected in the guide groove (33), there are two reset sliding block (36), two resets
It is connected between sliding block (36) reset spring (37), one end of two chain stays (34) is separately fixed at two sliding blocks
On, the both ends of positioning chain (35) are respectively hinged on two chain stays (34), first-class of the positioning chain (35)
Separated axis is connected to roll shaft (351).
4. a kind of adaptive hydraulic positioning robot's workbench of elliptic gear according to claim 1, which is characterized in that institute
Stating hydraulic rotating hold-down mechanism (4) includes compressed oil cylinder (41), spirally-guided cylinder (42), L-shaped rotation pressure arm (43) and briquetting
(44), the compressed oil cylinder (41) is fixed on the first supporting table (1), and the spirally-guided cylinder (42) is fixed on the first supporting table
(1) one end of top surface, rotation pressure arm (43) is sheathed in spirally-guided cylinder (42), and the output with compressed oil cylinder (41)
End is sequentially connected, and is equidistantly equipped with threaded hole (421) on the spirally-guided cylinder (42), one end pair of rotation pressure arm (43)
Threaded hole (421) is answered to be provided with Rotational Cylindrical (431), in Rotational Cylindrical (431) insertion threaded hole (421), the briquetting (44)
It is detachably connected on the other end of rotation pressure arm (43).
5. a kind of adaptive hydraulic positioning robot's workbench of elliptic gear according to claim 4, which is characterized in that institute
The other end for stating rotation pressure arm (43) is equipped with strip-shaped hole (432), and the briquetting (44) is removably mounted on strip-shaped hole (432).
6. a kind of adaptive hydraulic positioning robot's workbench of elliptic gear according to claim 4, which is characterized in that institute
The other end for stating rotation pressure arm (43) is equipped with strip-shaped hole (432), and the briquetting (44) is removably mounted on strip-shaped hole (432).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910712209.3A CN110355429A (en) | 2019-08-02 | 2019-08-02 | The hydraulic positioning robot's workbench of adaptive elliptic gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910712209.3A CN110355429A (en) | 2019-08-02 | 2019-08-02 | The hydraulic positioning robot's workbench of adaptive elliptic gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110355429A true CN110355429A (en) | 2019-10-22 |
Family
ID=68222099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910712209.3A Withdrawn CN110355429A (en) | 2019-08-02 | 2019-08-02 | The hydraulic positioning robot's workbench of adaptive elliptic gear |
Country Status (1)
| Country | Link |
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| CN (1) | CN110355429A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531231A (en) * | 2020-04-30 | 2020-08-14 | 重庆市璧山区茂渝机械制造有限公司 | Positioning tool for gear ring machining |
| CN116160047A (en) * | 2023-04-23 | 2023-05-26 | 河北品华管业有限公司 | Steel plate groove edge milling machine |
-
2019
- 2019-08-02 CN CN201910712209.3A patent/CN110355429A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531231A (en) * | 2020-04-30 | 2020-08-14 | 重庆市璧山区茂渝机械制造有限公司 | Positioning tool for gear ring machining |
| CN116160047A (en) * | 2023-04-23 | 2023-05-26 | 河北品华管业有限公司 | Steel plate groove edge milling machine |
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Application publication date: 20191022 |