CN208496433U - A kind of valve rod head drilling processing equipment - Google Patents
A kind of valve rod head drilling processing equipment Download PDFInfo
- Publication number
- CN208496433U CN208496433U CN201820953588.6U CN201820953588U CN208496433U CN 208496433 U CN208496433 U CN 208496433U CN 201820953588 U CN201820953588 U CN 201820953588U CN 208496433 U CN208496433 U CN 208496433U
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- China
- Prior art keywords
- face
- valve rod
- receiving block
- mounting base
- sliding
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Abstract
The utility model relates to a kind of valve rod head drilling processing equipment, including the clamping device for clamping valve rod and for the drill bit of valve rod head drilling, the top of clamping device is arranged in drill bit, clamping device includes pedestal, pedestal top is equipped with the receiving block for accepting valve rod bar portion, receiving block is arranged on the upper surface of pedestal by receiving block mounting base, receiving block mounting base is fixed on pedestal, receiving block and the sliding of receiving block mounting base cooperate, the adjusting component that receiving block can be driven to slide is equipped between receiving block mounting base and receiving block, pedestal is equipped with press part, press part can slide along the y axis, the actuator that valve rod is pressed in receiving block by driving press part is additionally provided on pedestal, pedestal is equipped with the supporting element on sustainable valve rod head, sliding chamber is equipped in receiving block mounting base along the x axis.Using the above scheme, automatic clamping can be realized to valve rod, be convenient for drilling operation.
Description
Technical field
The utility model relates to valve rod processing technique field, especially a kind of valve rod head drilling processing equipment.
Background technique
In the process of ball-valve valve rod, needs to carry out multiple tracks processing to molding blank, be cut to blank
Afterwards, the valve rod with head and bar portion can be preliminarily formed, then need to carry out the head of valve rod milling formed two it is parallel
Then end face needs to drill to one of end face, to install steel ball in drill hole.Before drilling processing, need by
Valve rod clamping position, then processed by drill bit, therefore for the more demanding of fixture, the mechanical grip of general hand,
Consume manpower, processing efficiency is also low, and the position to drill is located at the end position of valve rod, when drilling, valve rod can bear compared with
Big active force be easy to cause offset, influences the quality of drilling.
Summary of the invention
The utility model overcomes the deficiencies in the prior art, provides a kind of valve rod head drilling processing equipment, can be right
Valve rod realizes automatic clamping, is convenient for drilling operation.
To achieve the goals above, the technical solution adopted in the utility model is: a kind of valve rod head drilling processing equipment,
Including the clamping device for clamping valve rod and for the drill bit of valve rod head drilling, clamping device is arranged in the drill bit
Top, it is characterised in that: the clamping device includes pedestal, and the pedestal top is equipped with the undertaking for accepting valve rod bar portion
Block, receiving block are arranged on the upper surface of pedestal by receiving block mounting base, and receiving block mounting base is fixed on pedestal, hold
It connects block and the sliding of receiving block mounting base cooperates, the adjusting that receiving block can be driven to slide is equipped between receiving block mounting base and receiving block
Component, the pedestal are equipped with press part, and the press part can slide along the y axis, be additionally provided with driving on the pedestal and compress
Valve rod is pressed on the actuator in receiving block by part, and the pedestal is equipped with the supporting element on sustainable valve rod head, the undertaking
Sliding chamber is equipped in block mounting base along the x axis, wherein heart line is symmetrically arranged with first sliding groove and second to two lateral edges of the sliding chamber
Sliding slot, the first sliding groove include first compressing face, second compressing face and compress face and second positioned at first and compress between face
The first joint face, first compresses face, second compresses face and the first joint face and constitute a trapezoidal setting in section, described second
Sliding slot includes that third compresses face, the 4th compresses face and compress face and the 4th positioned at third and compress the second joint face between face,
Third compresses face, the 4th compresses face and the second joint face and constitute a trapezoidal setting in section, and described second compresses face and the 4th
The face of compressing extends respectively to the bottom surface of sliding chamber, the receiving block be equipped with first compress face, second compress face, third compresses face
The first inconsistent contacting surface of face, the second contacting surface, third contacting surface and the 4th contacting surface are compressed with the 4th.
By using above scheme, Y direction is the direction perpendicular to horizontal plane, and X-direction is to be parallel to horizontal plane
Direction, clamping device first clamp valve rod, however open drill bit again and carry out drilling operation along the y axis, before processing, the bar portion of valve rod
It is placed in receiving block, the head of valve rod is inconsistent close to the end face of bar portion and the end face of receiving block, and it is simple can to give valve rod
Positioning, actuator driving press part moves down, and valve rod is pressed on stacker；Pedestal is equipped with supporting element, is used for
The head for supporting valve rod, in processing, the head of valve rod can bear biggish active force, and the setting of supporting element ensure that drilling
Stability is not susceptible to deviate；After processing, actuator driving press part is moved up, and can be carried out rewinding, be carried out next
The processing of valve rod can improve work efficiency valve rod Automatic-clamping and release under the action of actuator, and adjusting component can
For adjusting the position of receiving block, meet different processing needs, wherein heart line is symmetrically arranged with the first cunning to two lateral edges of cunning chamber
Slot and second sliding slot, the first contacting surface of receiving block compress that face is inconsistent with first, and the second contacting surface of receiving block and second compresses face
Inconsistent, third contacting surface and the third of receiving block compress that face is inconsistent, and it is inconsistent that the 4th contacting surface of receiving block with the 4th compresses face,
After the length direction of the sliding chamber in receiving block edge moves, when carrying out drilling operation, receiving block needs to bear biggish power, sliding to first
When slot side deviates, respectively there are upper and lower surfaces inconsistent between knife rest and first sliding groove, when knife rest is deviated to second sliding slot side
When, it can also serve the same role, receiving block stress is more stable, and the bar portion of valve rod, which is installed, to be stablized, and is convenient for drilling operation.
The lower position for being further arranged so that the receiving block of the utility model is equipped with sliding block, and the sliding block sliding is set
Set intracavitary in cunning, first contacting surface and the second contacting surface are arranged on sliding block, and the sliding block further includes being located at the first contacting surface and the
First side between two contacting surfaces, first contacting surface, first side and the second contacting surface surround the trapezoidal setting in section
First protrusion, the sliding block are additionally provided with the second protrusion with second sliding slot sliding cooperation, second protrusion and the first protrusion shape
Shape is identical.
By using above scheme, the first contacting surface, first side and the second contacting surface are surrounded and first sliding groove sliding cooperation
First protrusion, first sliding groove are adapted to composition sliding cooperation with the first shape for lugs, and sliding block, which is additionally provided with to slide with second sliding slot, to be cooperated
The second protrusion, second protrusion is identical as the first shape for lugs, so that sliding block is more stable along the sliding of sliding chamber, to first
When sliding slot or second sliding slot deviate, there is protrusion inconsistent with sliding slot.
Further being arranged so that in the receiving block mounting base for the utility model is fixedly installed end cap, the adjusting group
Part includes screw rod and handle, and handle is connect with screw rod linkage, and screw rod is rotatably arranged on end cap, and screw rod is matched with receiving block screw thread
It closes, screw rod is arranged along the length direction of sliding chamber, and the sliding block is equipped with threaded hole, and screw rod is rotatably connected in threaded hole.
By using above scheme, first in command's rotation can drive screw rod to rotate, and screw rod is threadedly engaged with sliding block, and screw rod turns
Dynamic to slide with movable slider along the length direction of sliding chamber, convenient for adjusting the position of receiving block, structure is simple, easy to operate.
The utility model is further arranged so that the supporting element is connect by support mounting base with pedestal, the support
Part is hingedly arranged in support mounting base, and the supporting element includes convex block and roller, the convex block along roller axial restraint or
It is integrally disposed upon on the outer peripheral surface of roller, the roller is hingedly arranged in support mounting base, and the support mounting base is equipped with
For controlling the control assembly of roller turned position, control assembly includes worm gear and worm screw, and worm gear is arranged on roller, worm screw edge
Y direction is rotatably arranged in support mounting base, and worm gear and worm screw are intermeshed, and is also connected with second handle on worm screw.
By using above scheme, by supporting mounting base to connect with pedestal, support mounting base is equipped with hinged supporting element
Seat, supporting element includes convex block and roller, and roller is hingedly arranged on hinged seat, convex block along roller axial restraint or be wholely set
On the outer peripheral surface of roller, convex block is arranged in a long strip shape, and substantially increases support range, and roller rotation can drive convex block to rotate,
To adjust the height of convex block, to adapt to the valve rod head of different height, second handle rotation can drive worm screw to rotate, and worm screw turns
It is dynamic to drive worm gear rotation, to drive roller to rotate, since worm gear and worm screw cooperation have self-locking function, when roller turns to conjunction
When right position is set, roller can be positioned, structure is simple, easy to operate.
The utility model is further arranged so that the support mounting base and pedestal can slide cooperation along the x axis, described
Pedestal is equipped with the first guide groove along the x axis, and the support mounting base is equipped with the guiding that sliding cooperation is oriented to the first guide groove
Block, the support mounting base, which is equipped with, supports the first fixing piece for sliding along the first guide groove of mounting base for limit, and described the
One fixing piece is the first screw being screwed in support mounting base along the y axis.
By using above scheme, pedestal is equipped with first sliding groove along the x axis, supports the guide pad and first in mounting base
Sliding slot guiding slides cooperation, it can be achieved that mounting base is supported to slide along the x axis, when processing the valve rod of different length, is adjusted
Mounting base position is supported, so that supporting element preferably supports the head of valve rod, support mounting base is equipped with threaded hole along the y axis,
First fixing piece is the first screw being screwed at threaded hole, when supporting mounting base to slide onto suitable position, can screw the first spiral shell
The end face of nail, the first screw and pedestal is inconsistent, can limit support mounting base and slide along first sliding groove, structure is simple, installation side
Just.
The utility model is further arranged so that the press part includes pressure section, and the pressure section is equipped with for boring
The guide part of head guiding, the guide part are equipped with pilot hole, are equipped with the second guide groove, institute along the x axis on the pressure section
Stating guide part can slide along the second guide groove, and the guide part is equipped with straight trough along the x axis, and the guide part is by being screwed on second
Screw is fixedly connected with pressure section, and second screw is arranged in straight trough, and slides along straight trough.
By using above scheme, the pressure section of press part is placed in the top of receiving block, when due to bit bore, drill bit
Bar portion is longer, and drill bit is easy to happen shaking, generates offset, influences drilling quality, is arranged guide part on pressure section, and drill bit can be from leading
Guide pad on part passes through, and plays good guiding role, is equipped with second sliding slot along the x axis on pressure section, guide part can
It is slid along second sliding slot, is conveniently adjusted the position of guide part, meets different processing needs, be screwed with the second spiral shell on pressure section
Nail, the second screw are arranged in the straight trough of guide part, and slide along straight trough, when guide part is adjusted to suitable position, can screw second
Screw, the second screw can compress guide part, realize the fixation of guide part position.
The utility model is further arranged so that the actuator is the cylinder being fixed on pedestal, described to compress
Portion is connected by the telescopic rod of two straight-bars and cylinder, and the straight-bar is arranged along the y axis, and the pedestal is equipped with for straight
The interspersed through-hole of bar, cylinder can drive press part to move along the y axis.
By using above scheme, the telescopic rod of cylinder can vertically stretch, and pressure section is connected with two straight-bars, straight-bar point
It is not threaded through the through hole of pedestal, the lower position of two straight-bars is connected by cross bar, and the telescopic rod of cross bar and cylinder is fixed
Connection, the telescopic rod of cylinder can drive whole press part to move up and down, and receiving block is placed between two straight-bars, is compressed in press part
When valve rod, the whole uniform force of press part, stable structure.
The top for being further arranged so that the receiving block of the utility model is equipped with the V-shaped groove for placing valve rod, institute
It states pressure section and corresponds to the side of V-shaped groove equipped with the arc groove being adapted to valve rod peripheral shape.
By using above scheme, receiving block is equipped with V-shaped groove, and valve rod is placed in V-shaped groove, can effectively reduce overturning, compress
Portion is equipped with the arc groove being adapted to valve rod peripheral shape, and when pressure section is pressed on valve rod, contact is more abundant, and clamping is more
Add stabilization.
The utility model is further described with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model embodiment；
Fig. 2 is the structural schematic diagram of clamping device；
Fig. 3 is the fit structure schematic diagram of screw rod, receiving block and receiving block mounting base；
Fig. 4 is the fit structure schematic diagram of receiving block and receiving block mounting base；
Fig. 5 is the side structure schematic diagram of receiving block and receiving block mounting base；
Fig. 6 is supporting element and support mounting base mounting structure schematic diagram；
Fig. 7 is worm gear and worm screw fit structure schematic diagram；
Fig. 8 is press part and cylinder fit structure schematic diagram；
Fig. 9 is the structural schematic diagram of guide part.
Specific embodiment
As shown in figs. 1-9, a kind of valve rod head drilling processing equipment, including for clamping valve rod clamping device and
For the drill bit 1 of valve rod head drilling, the top of clamping device is arranged in drill bit 1, and clamping device includes pedestal 2,2 top of pedestal
Equipped with the receiving block 3 for accepting valve rod bar portion, receiving block 3 is arranged on the upper surface of pedestal 2 by receiving block mounting base 4,
Receiving block mounting base 4 is fixed on pedestal 2, receiving block 3 and receiving block mounting base 4 sliding cooperate, receiving block mounting base 4 with
The adjusting component that receiving block 3 can be driven to slide is equipped between receiving block 3, pedestal 2 is equipped with press part 5, and press part 5 can be along Y-axis
Direction slides, and the actuator that valve rod is pressed in receiving block 3 by driving press part 5 is additionally provided on pedestal 2, pedestal 2 is equipped with can
The supporting element 61 on valve rod head is supported, is equipped with sliding chamber 41 in receiving block mounting base 4 along the x axis, two lateral edges of sliding chamber 41 are wherein
Heart line is symmetrically arranged with first sliding groove 411 and second sliding slot 412, and first sliding groove 411 includes first compressing face 4111, second compressing
Face 4112 and face 4111 and second is compressed positioned at first compressing the first joint face 4113 between face 4112, first compresses face
4111, second face 4112 and the one trapezoidal setting in section of composition of the first joint face 4113 are compressed, second sliding slot 412 includes third
Compress face the 4121, the 4th compress face 4122 and positioned at third compress face 4121 and the 4th compress between face 4122 second connection
Face 4123, third compress face the 4121, the 4th and compress face 4122 and the one trapezoidal setting in section of composition of the second joint face 4123, the
Two compress face 4112 and the 4th compresses the bottom surface 413 that face 5122 extends respectively to sliding chamber 41, and receiving block 3 is equipped with and compresses with first
Face 4111, second compress face 4112, third compresses face 4121 and the 4th compresses inconsistent the first contacting surface 31, second touching in face 4122
Face 32, third contacting surface 33 and the 4th contacting surface 34.
In the present embodiment, the lower position of receiving block 3 has been wholely set sliding block 35, and the sliding of sliding block 15 setting is in sliding chamber 41
Interior, the first contacting surface 31 and the second contacting surface 32 are arranged on sliding block 35, and sliding block 35 further includes being located at the first contacting surface 31 and the second contacting surface
First side 36 between 32, the first contacting surface 31, first side 36 and the second contacting surface 32 surround the trapezoidal setting in section
First protrusion 37, sliding block 35 are additionally provided with the second protrusion 38 with the sliding cooperation of second sliding slot 412, the second protrusion 38 and the first protrusion
37 shapes are identical.
In the present embodiment, receiving block mounting base 4 is fixedly installed end cap 42, adjusting group in the side far from supporting element 61
Part includes screw rod 71 and the first in command 72, and the first in command 72 is connected with screw rod 71, and screw rod 71 is rotatably arranged on end cap 42
On, screw rod 71 is threadedly engaged with receiving block 3, and screw rod 71 is along the length direction setting of sliding chamber 41, and sliding block 35 is equipped with threaded hole
351, screw rod 71 is rotatably connected in threaded hole 351, and rotation screw rod 71 can drive length direction setting of the receiving block 3 along sliding chamber 41.
In the present embodiment, supporting element 61 is by supporting mounting base 62 to connect with pedestal 2, and supporting element 61 hingedly propping up by setting
Support in mounting base 62, supporting element 61 includes convex block 611 and roller 612, convex block 611 along roller 612 axial restraint or integrally set
It sets on the outer peripheral surface of roller 612, hingedly in support mounting base 62, support mounting base 62 is equipped with to be used for roller 612 for setting
The control assembly of 612 turned position of roller is controlled, control assembly includes worm gear 63 and worm screw 64, and worm gear 63 is fixed or is wholely set
On roller 612, worm screw 64 is rotatably arranged on along the y axis in support mounting base 62, and worm gear 63 and worm screw 64 are intermeshed, snail
Second handle 65 is also connected on bar 64, second handle 65 can drive worm screw 64 to rotate.
In the present embodiment, support mounting base 62 and pedestal 2 can slide cooperation along the x axis, and pedestal 2 is set along the x axis
There is the first guide groove 21, support mounting base 62 is equipped with the guide pad 621 that sliding cooperation is oriented to the first guide groove 21, support installation
Seat 62 is equipped with the first fixing piece slid for limiting support mounting base 62 along the first guide groove 21, and the first fixing piece is along Y
Axis direction is screwed in the first screw 81 in support mounting base 62.
In the present embodiment, press part 5 includes pressure section 51, and pressure section 51 is equipped with the guide part being oriented to for drill bit 1
9, guide part 9 is equipped with pilot hole 91, is equipped with the second guide groove 511 along the x axis on pressure section 51, guide part 9 can be along second
Guide groove 511 slides, and guide part 9 is equipped with straight trough 92 along the x axis, and guide part is solid with pressure section 51 by second screw 82 that is screwed on
Fixed connection, the second screw 82 is arranged in straight trough 92, and slides along straight trough 92.
In the present embodiment, actuator is the cylinder 10 being fixed on pedestal 2, and pressure section 51 passes through two straight-bars 52
It being connected with the telescopic rod of cylinder 10, straight-bar 52 is arranged along the y axis, and pedestal 2 is equipped with the through-hole 22 interted for straight-bar 52,
Cylinder 10 can drive press part 5 to move along the y axis.
In the present embodiment, the top of receiving block 3 is equipped with the V-shaped groove 39 for placing valve rod, the corresponding V-shaped groove of pressure section 51
39 side is equipped with the arc groove 512 being adapted to valve rod peripheral shape.
Above embodiments, only one kind of the utility model preferably specific embodiment, those skilled in the art are in this reality
It is included in the protection scope of the utility model with the usual variations and alternatives carried out in new technique aspects.
Claims (8)
1. a kind of valve rod head drilling processing equipment drills including the clamping device for clamping valve rod and for valve rod head
Drill bit, the top of clamping device is arranged in the drill bit, it is characterised in that: the clamping device includes pedestal, the pedestal
Top is equipped with the receiving block for accepting valve rod bar portion, and receiving block is arranged on the upper surface of pedestal by receiving block mounting base,
Receiving block mounting base is fixed on pedestal, and receiving block and the sliding of receiving block mounting base cooperate, receiving block mounting base and undertaking
The adjusting component that receiving block can be driven to slide is equipped between block, the pedestal is equipped with press part, and the press part can be along Y-axis side
To sliding, the actuator that valve rod is pressed in receiving block by driving press part is additionally provided on the pedestal, the pedestal is equipped with
The supporting element on sustainable valve rod head, is equipped with sliding chamber in the receiving block mounting base along the x axis, two lateral edges of the sliding chamber its
Center line symmetrical setting has a first sliding groove and second sliding slot, the first sliding groove include first compress face, second compress face and
Face and second is compressed positioned at first and compresses the first joint face between face, and first compresses face, second compresses face and the first joint face
Constitute the trapezoidal setting in section, the second sliding slot includes that third compresses face, the 4th compresses face and compress positioned at third
Face and the 4th compresses the second joint face between face, and third compresses face, the 4th compresses face and the second joint face constitutes a section
Trapezoidal setting, described second compresses face and the 4th compresses the bottom surface that face extends respectively to sliding chamber, the receiving block be equipped with
First compress face, second compress face, third compresses face and the 4th compresses the first inconsistent contacting surface of face, the second contacting surface, third touching
Face and the 4th contacting surface.
2. a kind of valve rod head drilling processing equipment according to claim 1, it is characterised in that: the lower part of the receiving block
Position is equipped with sliding block, and the sliding block sliding setting is intracavitary in cunning, and first contacting surface and the second contacting surface are arranged on sliding block, described
Sliding block further includes the first side between the first contacting surface and the second contacting surface, first contacting surface, first side and the second touching
Face surrounds the first protrusion of a trapezoidal setting in section, and the sliding block is additionally provided with dashes forward with the second of second sliding slot sliding cooperation
It rises, second protrusion is identical as the first shape for lugs.
3. a kind of valve rod head drilling processing equipment according to claim 2, it is characterised in that: the receiving block mounting base
On be fixedly installed end cap, the adjusting component includes screw rod and the first in command, and the first in command connect with screw rod linkage, screw rod
It is rotatably arranged on end cap, screw rod is threadedly engaged with receiving block, and screw rod is arranged along the length direction of sliding chamber, and the sliding block is equipped with
Threaded hole, screw rod are rotatably connected in threaded hole.
4. a kind of valve rod head drilling processing equipment according to claim 1 or 2, it is characterised in that: the supporting element is logical
Support mounting base is crossed to connect with pedestal, the supporting element be hingedly arranged in support mounting base on, the supporting element include convex block and
Roller, the convex block along roller axial restraint or be integrally disposed upon on the outer peripheral surface of roller, the roller, which is hingedly arranged in, to be propped up
It supports in mounting base, the support mounting base is equipped with the control assembly for controlling roller turned position, and control assembly includes snail
Wheel and worm screw, worm gear are arranged on roller, and worm screw is rotatably arranged on along the y axis in support mounting base, and worm gear is mutual with worm screw
It engages, is also connected with second handle on worm screw.
5. a kind of valve rod head drilling processing equipment according to claim 4, it is characterised in that: the support mounting base with
Pedestal can slide cooperation along the x axis, and the pedestal is equipped with the first guide groove along the x axis, the support mounting base be equipped with
The guide pad of first guide groove guiding sliding cooperation, the support mounting base, which is equipped with, to be led for limiting support mounting base along first
The first fixing piece slid to slot, first fixing piece are the first screw being screwed in support mounting base along the y axis.
6. a kind of valve rod head drilling processing equipment according to claim 1 or 2, it is characterised in that: the press part packet
Pressure section is included, the pressure section is equipped with the guide part for drill bit guiding, and the guide part is equipped with pilot hole, described to compress
The second guide groove is equipped in portion along the x axis, the guide part can slide along the second guide groove, and the guide part is along the x axis
Equipped with straight trough, the guide part is fixedly connected by being screwed on the second screw with pressure section, and second screw is arranged in straight trough, and
It is slid along straight trough.
7. a kind of valve rod head drilling processing equipment according to claim 6, it is characterised in that: the actuator is to fix
The cylinder being set on the base, the pressure section are connected by the telescopic rod of two straight-bars and cylinder, and the straight-bar is along Y-axis
Direction setting, the pedestal are equipped with the through-hole interted for straight-bar, and cylinder can drive press part to move along the y axis.
8. a kind of valve rod head drilling processing equipment according to claim 6, it is characterised in that: the top of the receiving block
Equipped with the V-shaped groove for placing valve rod, the side that the pressure section corresponds to V-shaped groove is equipped with the arc being adapted to valve rod peripheral shape
Slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820953588.6U CN208496433U (en) | 2018-06-20 | 2018-06-20 | A kind of valve rod head drilling processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820953588.6U CN208496433U (en) | 2018-06-20 | 2018-06-20 | A kind of valve rod head drilling processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208496433U true CN208496433U (en) | 2019-02-15 |
Family
ID=65285534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820953588.6U Expired - Fee Related CN208496433U (en) | 2018-06-20 | 2018-06-20 | A kind of valve rod head drilling processing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208496433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977535A (en) * | 2019-12-20 | 2020-04-10 | 安徽银力铸造有限公司 | Drilling clamping device stable in installation |
-
2018
- 2018-06-20 CN CN201820953588.6U patent/CN208496433U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977535A (en) * | 2019-12-20 | 2020-04-10 | 安徽银力铸造有限公司 | Drilling clamping device stable in installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 Termination date: 20190620 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |