CN110496981A - A kind of machining steel plate Quick-clamped puncher - Google Patents
A kind of machining steel plate Quick-clamped puncher Download PDFInfo
- Publication number
- CN110496981A CN110496981A CN201910824149.4A CN201910824149A CN110496981A CN 110496981 A CN110496981 A CN 110496981A CN 201910824149 A CN201910824149 A CN 201910824149A CN 110496981 A CN110496981 A CN 110496981A
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- Prior art keywords
- steel plate
- clamped
- plate
- hole
- fixture block
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Drilling And Boring (AREA)
Abstract
The present invention relates to a kind of puncher more particularly to a kind of machining steel plate Quick-clamped puncheres.It can link when being punched to steel plate the object of the present invention is to provide one kind and steel plate is quickly clamped, quick releasable steel plate after punching, steel plate is easily taken out, and various sizes of steel plate can be clamped, the machining of operation steel plate Quick-clamped puncher is facilitated.Implementer's case of the invention are as follows: a kind of machining steel plate Quick-clamped puncher, includes supporting leg and L-type plate etc.；L-type board bottom portion four corners are equipped with supporting leg.The present invention steps on pedal by operator, clamping plate can be driven to be clamped steel plate under the action of trapeze bar, also puncher can be driven to punch the steel plate of clamping simultaneously, by the position of the adjustable fixture block of the cooperation of hollow frame and arc fixture block, so as to clamp to various sizes of steel plate.
Description
Technical field
The present invention relates to a kind of puncher more particularly to a kind of machining steel plate Quick-clamped puncheres.
Background technique
Steel plate is to use pouring molten steel, and tabular steel made of suppressing after cooling, are tabulars, rectangle, can directly be rolled
System is sheared by wide strip.
It is usually that steel plate is placed on puncher to the mode of steel plate punching now, is then come pair using specific fixture
Interal fixation, then punched, this mode is excessively complicated during clamping and removing, and is unfavorable for large batch of steel plate and beats
Hole, and when being punched to various sizes of steel plate, corresponding fixture is needed replacing, operation in this way wastes the time significantly.
Therefore, it invents one kind and can link when being punched to steel plate and steel plate is quickly clamped, after punching
Quick releasable steel plate easily takes out steel plate, and can be clamped to various sizes of steel plate, facilitates the puncher of operation, comes
It is necessary for solving the above problems.
Summary of the invention
In order to overcome the clamping of steel plate and remove excessively complicated in the process, it is difficult to be pressed from both sides to various sizes of steel plate
Tightly, and when being punched to various sizes of steel plate, the shortcomings that needing replacing corresponding fixture, the object of the present invention is to provide
One kind can link when punching to steel plate and quickly be clamped to steel plate, quick releasable steel plate after punching, gently
Pine takes out steel plate, and can be clamped to various sizes of steel plate, and the machining of operation is facilitated to be punched with steel plate Quick-clamped
Machine.
Implementer's case of the invention are as follows: a kind of machining steel plate Quick-clamped puncher, includes supporting leg and L
Template, L-type board bottom portion four corners are equipped with supporting leg, further include having guiding parts, mounting rack, drilling machine and driving device, L-type plate
Right side is provided with first through hole, and L-type plate right upper portion is equipped with guiding parts, and mounting rack is equipped on the left of guiding parts, and mounting rack is left
Side is equipped with drilling machine, is equipped with driving device below L-type plate, wherein the driving device is used to be clamped steel plate and band
Dynamic drilling machine, which moves down, punches steel plate, wherein the guiding parts is oriented to for vertically movable to drilling machine.
It is further preferred that guiding parts includes guide rod, guide sleeve and limited block, L-type plate right upper portion is equipped with guide rod,
Slidingtype is equipped with guide sleeve on guide rod, and limited block is equipped at the top of guide rod, and mounting rack, installation on the left of mounting rack are equipped on the left of guide sleeve
There is drilling machine.
It is further preferred that driving device include sliding block, clamping plate, the first spring, l-shaped rod, transverse slat, idler wheel, trapeze bar,
Special-shaped bar, pedal and second spring, L-type plate left side are provided with sliding slot, and sliding slot inner sliding type is equipped with sliding block, and slider top is equipped with folder
Plate is connected with the first spring between sliding block right side and sliding slot inner right wall, and guide sleeve front and rear sides are mounted on l-shaped rod, two l-shaped rods
Left part transverse slat is installed, be provided with the second through-hole in the middle part of transverse slat, the second through-hole inner left wall is equipped with idler wheel, and slider bottom is equipped with
Trapeze bar, trapeze bar are located in the second through-hole, and idler wheel and trapeze bar left contact, transverse slat bottom left is equipped with special-shaped bar, different
Type bar left lower is equipped with pedal, is connected with second spring between guide sleeve and L-type plate.
It is further preferred that further including having regulating device, regulating device includes hollow frame, bearing block, fixture block and arc
Fixture block, L-type plate right side are provided with third through-hole, and third through-hole slidingtype is equipped with hollow frame, is equipped with bearing block, axis on the left of hollow frame
It holds and is equipped with fixture block on the left of seat, fixture block is slidably mounted on L-type plate, and bearing block installation by adhering is in fixture block, in third through-hole
Upper and lower two wall is mounted on arc fixture block, and hollow frame is all provided at least five first grooves, the first groove and arc for two up and down
Fixture block matches.
It is further preferred that further including having connecting rod, kelly, third spring and handle, hollow frame right side is provided with for two up and down
Fourth hole, fourth hole inner sliding type are equipped with connecting rod, are equipped at least five kellies on the outside of connecting rod, kelly slidingtype passes through back
The outer end of type frame inner wall, kelly is located in the first groove, and arc fixture block bottom is provided with the second groove, and kelly and the second groove match
It closes, is connected with third spring between upper and lower two connecting rods, connecting rod right end is equipped with handle.
It is further preferred that further including having guide plate, baffle and elastic piece, guiding is connected between two supporting leg bottoms
Plate is fitted with baffle on guide plate, and baffle is contacted with special-shaped bar, and baffle bottom is equipped with elastic piece, guide plate and baffle
It is opened at cooperation there are two third groove, third groove and elastic piece cooperate.
The present invention has the advantage that the present invention steps on pedal by operator, folder can be driven under the action of trapeze bar
Plate is clamped steel plate, while also puncher can be driven to punch the steel plate of clamping, passes through hollow frame and arc fixture block
The adjustable fixture block of cooperation position, so as to be clamped to various sizes of steel plate, moreover it is possible to pass through matching for kelly and the second groove
It closes, to prevent the mistake of operator from touching and moving the position of fixture block, and then leads to not clamp steel plate.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the invention.
Fig. 2 is the enlarged diagram of part A of the present invention.
Fig. 3 is part right side structural representation of the invention.
The label of each components is as follows in attached drawing: 1. supporting legs, 2.L template, 3. first through hole, 4. steel plates, 5. guide rods, 6. lead
Set, 7. limited blocks, 8. mounting racks, 9. drilling machines, 10. driving devices, 101. sliding slots, 102. sliding blocks, 103. clamping plates, 104. first
Spring, 105.L type bar, 106. transverse slats, 107. second through-holes, 108. idler wheels, 109. trapeze bars, 1010. special-shaped bars, 1011. step on
Plate, 1012. second springs, 11. regulating devices, 111. third through-holes, 112. hollow frames, 113. bearing blocks, 114. fixture blocks, 115.
Arc fixture block, 116. first grooves, 12. fourth holes, 13. connecting rods, 14. kellies, 15. second grooves, 16. third springs, 17.
Handle, 18. guide plates, 19. baffles, 20. third grooves, 21. elastic pieces.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
Embodiment 1
It is a kind of machining use steel plate Quick-clamped puncher, please refer to Fig. 1 and Fig. 3, include supporting leg 1, L-type plate 2, guide rod 5,
Guide sleeve 6, limited block 7, mounting rack 8, drilling machine 9 and driving device 10 are equipped with supporting leg 1, L-type plate 2 at 2 bottom four corners of L-type plate
Right side is provided with first through hole 3, and 2 right upper portion of L-type plate is equipped with guide rod 5, and slidingtype is equipped with guide sleeve 6,5 top of guide rod on guide rod 5
Limited block 7 is installed, mounting rack 8 is installed on the left of guide sleeve 6, drilling machine 9 is installed on the left of mounting rack 8, is equipped with below L-type plate 2
Driving device 10, wherein the driving device 10 is for being clamped steel plate 4.
Driving device 10 include sliding block 102, clamping plate 103, the first spring 104, l-shaped rod 105, transverse slat 106, idler wheel 108,
Trapeze bar 109, special-shaped bar 1010, pedal 1011 and second spring 1012, are provided with sliding slot 101 on the left of L-type plate 2, sliding in sliding slot 101
Dynamic formula is equipped with sliding block 102, and clamping plate 103 is equipped at the top of sliding block 102, is connected between 102 right side of sliding block and 101 inner right wall of sliding slot
First spring 104,6 front and rear sides of guide sleeve are mounted on l-shaped rod 105, and the left part of two l-shaped rods 105 is equipped with transverse slat 106, horizontal
The second through-hole 107 is provided in the middle part of plate 106,107 inner left wall of the second through-hole is equipped with idler wheel 108, and 102 bottom of sliding block is equipped with trapezoidal
Bar 109, trapeze bar 109 are located in the second through-hole 107, idler wheel 108 and 109 left contact of trapeze bar, 106 bottom left of transverse slat peace
Equipped with special-shaped bar 1010, special-shaped 1010 left lower of bar is equipped with pedal 1011, and the second bullet is connected between guide sleeve 6 and L-type plate 2
Spring 1012.
The workflow of the present apparatus is as follows: operator starts drilling machine 9, behaviour when needing to punch steel plate 4 first
Steel plate 4 is placed in 2 top of L-type plate by author, makes right side in 4 right-justification L-type plate 2 of steel plate, then will by driving device 10
Steel plate 4 is fixed, while guide sleeve 6 being driven to move down on guide rod 5, and guide sleeve 6, which moves down, drives drilling machine 9 to move down, from
And the quick punching to steel plate 4 is completed, after the completion of the punching of steel plate 4, the release of steel plate 4 can be removed by driving device 10,
Drilling machine 9 is driven to be moved upward to reset simultaneously, after punching, operator closes drilling machine 9.
After starting drilling machine 9, when needing to be clamped punching to steel plate 4, operator steps on pedal 1011 and moves down,
Pedal 1011 moves down the special-shaped bar 1010 of drive and moves down, so that transverse slat 106 is moved down, the rolling of 106 inside of transverse slat
Wheel 108 starts the contact of incline plane with trapeze bar 109, drives trapeze bar 109 in the second through-hole so that transverse slat 106 be made to move down
It moves right in 107, trapeze bar 109 moves right to move right in sliding slot 101 with movable slider 102, and the first spring 104 is pressed
Contracting clamps steel plate 4 to cooperate with L-type plate 2, so that clamping plate 103 be made to withstand 4 left side of steel plate when idler wheel 108 and trapeze bar
After 109 vertical face contact, transverse slat 106, which continues to move down, drives l-shaped rod 105 to move down, and l-shaped rod 105 moves down band
Dynamic guide sleeve 6 moves down on guide rod 5, and second spring 1012 is compressed, so that it is moved downward to drilling machine 9 at steel plate 4, from
And the punching to steel plate 4 is completed, after steel plate 4 has punched, when needing to remove steel plate 4, operator unclamps pedal 1011, guide sleeve 6
It is moved up on guide rod 5 under the effect of second spring 1012, so that drilling machine 9 be made to be moved upward to reset, guide sleeve 6 is to moving up
Dynamic to be moved upward to reset with motion plate 106 by l-shaped rod 105, sliding block 102 resets under the action of the first spring 104, thus
Baffle 19 is set to unclamp steel plate 4, by operating the Quick-clamped punching that can be completed to steel plate 4 above and removing.
Embodiment 2
On the basis of embodiment 1, Fig. 1, Fig. 2 and Fig. 3 are please referred to, further includes having regulating device 11, regulating device 11 includes
Hollow frame 112, bearing block 113, fixture block 114 and arc fixture block 115 are provided with third through-hole 111, third through-hole on the right side of L-type plate 2
111 slidingtypes are equipped with hollow frame 112, and bearing block 113 is equipped on the left of hollow frame 112, is equipped with fixture block 114 on the left of bearing block 113,
Fixture block 114 is slidably mounted on L-type plate 2, and 113 installation by adhering of bearing block is in fixture block 114, in third through-hole 111 up and down
Two walls are mounted on arc fixture block 115, and hollow frame about 112 two are all provided at least five first grooves 116, the first groove
116 match with arc fixture block 115.
The workflow of the present apparatus is as follows: when needing to punch various sizes of steel plate 4, operator is first by hollow
Frame 112 rotates clockwise 90 °, and the first groove 116 is made to be detached from arc fixture block 115, and operator pushes hollow frame 112 logical in third again
It is moved left and right in hole 111, so as to adjust the position of fixture block 114, hollow frame 112 is then rotated counterclockwise 90 °, in bearing block
Fixture block 114 will not be rotated with the rotation of hollow frame 112 under the action of 113, make the arc fixture block 115 in third through-hole 111
It is matched with the first groove 116, so as to block hollow frame 112, and then fixes the position of clamping plate 103, just can pass through in this way
Various sizes of steel plate 4 is clamped in the cooperation of clamping plate 103, be can be completed and is punched to various sizes of steel plate 4.
Embodiment 3
On the basis of embodiment 2, Fig. 1, Fig. 2 and Fig. 3 are please referred to, further includes having connecting rod 13, kelly 14, third spring 16 and holding
17,112 right side of hollow frame is provided with fourth hole 12 for two up and down, and 12 inner sliding type of fourth hole is equipped with connecting rod 13, connecting rod 13
Outside is equipped with eight kellies 14, and 14 slidingtype of kelly passes through 112 inner wall of hollow frame, and the outer end of kelly 14 is located at the first groove
In 116,115 bottom of arc fixture block is provided with the second groove 15, and kelly 14 is matched with the second groove 15, upper and lower two connecting rods 13 it
Between be connected with third spring 16,13 right end of connecting rod is equipped with handle 17.
Further include having guide plate 18, baffle 19 and elastic piece 21, is connected with guide plate 18 between two 1 bottoms of supporting leg, leads
Baffle 19 is fitted on plate 18, baffle 19 is contacted with special-shaped bar 1010, and 19 bottom of baffle is equipped with elastic piece 21, guiding
It is opened at plate 18 and 19 cooperation of baffle there are two third groove 20, third groove 20 and elastic piece 21 cooperate.
The workflow of the present apparatus is as follows: needing to rotate hollow frame 112 after 114 left side of fixture block and 4 right contact of steel plate
When, handle 17 to be held first to be moved inward, handle 17, which moves inward, drives connecting rod 13 to move inward, and third spring 16 is compressed,
After kelly 14 is no longer in the second groove 15, operator can rotate hollow frame 112, recessed in arc fixture block 115 and first
Release or fixed hollow frame 112 can be realized under the mating reaction of slot 116, after unclamping handle 17, connecting rod 13 is in third spring
It is displaced outwardly under 16 effects, be caught in the movement outward of kelly 14 can in the second groove 15, just can so prevent the mistake of operator
Touching causes fixture block 114 arbitrarily mobile.
When operator does not need to be clamped punching to steel plate 4, operator push baffle 19 on guide plate 18 to the left
It is moved to and is contacted with special-shaped 1010 bottom of bar, elastic piece 21 is matched with third groove 20, to make special-shaped bar 1010 will not be
Operator moves down in the case where accidentally touching, and when operator needs to be clamped punching to steel plate 4, operator pushes baffle 19
It moves right on guide plate 18, under the mating reaction of elastic piece 21 and third groove 20, baffle 19 will not be moved arbitrarily, from
And move down special-shaped bar 1010.
Above-described embodiment, which is available to, to be familiar with person in the art to realize or use the present invention, and is familiar with this field
Personnel can make various modifications or variation, thus this to above-described embodiment without departing from the present invention in the case of the inventive idea
The protection scope of invention is not limited by above-described embodiment, and should meet inventive features that claims are mentioned most
On a large scale.
Claims (6)
1. a kind of machining steel plate Quick-clamped puncher, includes supporting leg (1) and L-type plate (2), L-type plate (2) bottom four
Supporting leg (1) is installed, it is characterised in that: further include having guiding parts, mounting rack (8), drilling machine (9) and driving device at angle
(10), it is provided with first through hole (3) on the right side of L-type plate (2), L-type plate (2) right upper portion is equipped with guiding parts, peace on the left of guiding parts
It equipped with mounting rack (8), is equipped with drilling machine (9) on the left of mounting rack (8), is equipped with driving device (10) below L-type plate (2), wherein
The driving device (10) breaks steel plate (4) for being clamped and driving drilling machine (9) to move down steel plate (4)
Hole, wherein the guiding parts is oriented to for vertically movable to drilling machine (9).
2. a kind of machining steel plate Quick-clamped puncher described in accordance with the claim 1, it is characterised in that: guiding parts
It include guide rod (5), guide sleeve (6) and limited block (7), L-type plate (2) right upper portion is equipped with guide rod (5), and guide rod slides on (5)
Formula is equipped with guide sleeve (6), is equipped with limited block (7) at the top of guide rod (5), is equipped with mounting rack (8) on the left of guide sleeve (6), mounting rack (8)
Left side is equipped with drilling machine (9).
3. a kind of machining steel plate Quick-clamped puncher according to claim 2, it is characterised in that: driving device
It (10) include sliding block (102), clamping plate (103), the first spring (104), l-shaped rod (105), transverse slat (106), idler wheel (108), ladder
Shape bar (109), special-shaped bar (1010), pedal (1011) and second spring (1012), L-type plate (2) left side are provided with sliding slot (101),
Sliding slot (101) inner sliding type is equipped with sliding block (102), is equipped with clamping plate (103) at the top of sliding block (102), on the right side of sliding block (102) and sliding
It is connected with the first spring (104) between slot (101) inner right wall, guide sleeve (6) front and rear sides are mounted on l-shaped rod (105), two L
The left part of type bar (105) is equipped with transverse slat (106), is provided with the second through-hole (107) in the middle part of transverse slat (106), in the second through-hole (107)
Left wall is equipped with idler wheel (108), and sliding block (102) bottom is equipped with trapeze bar (109), and trapeze bar (109) is located at the second through-hole
(107) in, idler wheel (108) and trapeze bar (109) left contact, transverse slat (106) bottom left is equipped with special-shaped bar (1010), different
Type bar (1010) left lower is equipped with pedal (1011), and second spring (1012) are connected between guide sleeve (6) and L-type plate (2).
4. a kind of machining steel plate Quick-clamped puncher described in accordance with the claim 3, it is characterised in that: further include having
Regulating device (11), regulating device (11) include hollow frame (112), bearing block (113), fixture block (114) and arc fixture block
(115), it is provided with third through-hole (111) on the right side of L-type plate (2), third through-hole (111) slidingtype is equipped with hollow frame (112), hollow frame
(112) left side is equipped with bearing block (113), is equipped with fixture block (114) on the left of bearing block (113), and fixture block (114) is slidably mounted at
On L-type plate (2), bearing block (113) installation by adhering is in fixture block (114), and two walls are mounted on up and down in third through-hole (111)
Arc fixture block (115), hollow frame (112) are all provided at least five first grooves (116) for two up and down, the first groove (116) with
Arc fixture block (115) matches.
5. a kind of machining steel plate Quick-clamped puncher according to claim 4, it is characterised in that: further include having
Connecting rod (13), kelly (14), third spring (16) and handle (17), hollow frame (112) right side are provided with fourth hole for two up and down
(12), fourth hole (12) inner sliding type is equipped with connecting rod (13), is equipped at least five kellies (14), kelly on the outside of connecting rod (13)
(14) slidingtype passes through hollow frame (112) inner wall, and the outer end of kelly (14) is located in the first groove (116), arc fixture block (115)
Bottom is provided with the second groove (15), and kelly (14) is matched with the second groove (15), is connected between upper and lower two connecting rods (13)
Third spring (16), connecting rod (13) right end are equipped with handle (17).
6. a kind of machining steel plate Quick-clamped puncher according to claim 5, it is characterised in that: further include having
Guide plate (18), baffle (19) and elastic piece (21) are connected with guide plate (18), guide plate between two supporting leg (1) bottoms
(18) it is fitted on baffle (19), baffle (19) is contacted with special-shaped bar (1010), and baffle (19) bottom is equipped with elastic piece
(21), open that there are two third groove (20), third groove (20) and elastic piece (21) at guide plate (18) and baffle (19) cooperation
Cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910824149.4A CN110496981B (en) | 2019-09-02 | 2019-09-02 | Rapid clamping and punching machine for steel plate for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910824149.4A CN110496981B (en) | 2019-09-02 | 2019-09-02 | Rapid clamping and punching machine for steel plate for machining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110496981A true CN110496981A (en) | 2019-11-26 |
| CN110496981B CN110496981B (en) | 2020-12-08 |
Family
ID=68591087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910824149.4A Active CN110496981B (en) | 2019-09-02 | 2019-09-02 | Rapid clamping and punching machine for steel plate for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110496981B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111070340A (en) * | 2019-12-25 | 2020-04-28 | 龙立明 | Punching and grooving device for manufacturing small wood wheel |
| CN111157752A (en) * | 2020-02-28 | 2020-05-15 | 温州阳格凡电子科技有限公司 | Novel chemical testing machine |
| CN111991053A (en) * | 2020-08-12 | 2020-11-27 | 彭颖 | Orthopedics shank punches and uses guider |
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|---|---|---|---|---|
| CN111070340A (en) * | 2019-12-25 | 2020-04-28 | 龙立明 | Punching and grooving device for manufacturing small wood wheel |
| CN111157752A (en) * | 2020-02-28 | 2020-05-15 | 温州阳格凡电子科技有限公司 | Novel chemical testing machine |
| CN111157752B (en) * | 2020-02-28 | 2020-09-01 | 南京溧水高新创业投资管理有限公司 | Novel chemical testing machine |
| CN111991053A (en) * | 2020-08-12 | 2020-11-27 | 彭颖 | Orthopedics shank punches and uses guider |
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|---|---|
| CN110496981B (en) | 2020-12-08 |
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