CN107953169B - A kind of hardware plate surface grinding device - Google Patents
A kind of hardware plate surface grinding device Download PDFInfo
- Publication number
- CN107953169B CN107953169B CN201711254464.5A CN201711254464A CN107953169B CN 107953169 B CN107953169 B CN 107953169B CN 201711254464 A CN201711254464 A CN 201711254464A CN 107953169 B CN107953169 B CN 107953169B
- Authority
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- China
- Prior art keywords
- plate
- fixedly installed
- hardware
- grinding device
- surface grinding
- 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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- 238000000227 grinding Methods 0.000 title claims abstract description 21
- 238000005498 polishing Methods 0.000 claims abstract description 29
- 230000003287 optical effect Effects 0.000 claims abstract description 13
- 238000007747 plating Methods 0.000 claims description 3
- 230000035611 feeding Effects 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003622 knife milling Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- -1 tin metals Chemical class 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/07—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor involving a stationary work-table
- B24B7/08—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor involving a stationary work-table having an abrasive wheel built in
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a kind of hardware plate surface grinding devices, including cabinet, fixed bracket, support beam, lifter plate, elastic supporting member for supporting optical member, drive block, lead screw, feed sliding block, clamping plate, polishing tool, moving slide block and screw rod, lifter plate level is erected at the top of elastic supporting member for supporting optical member, the both ends upper surface of lifter plate is fixedly installed with connection pressing plate, the top of two connection pressing plates is fixedly installed clamping plate, the bottom end of two feeding sliding blocks is provided with pulley, two pulleys are slided respectively on the inclined surface of two drive blocks, adjusting truss is also provided in support beam, it adjusts and is fixedly connected by the way that fastening bolt is detachable respectively there are two support plate on truss, the bottom end of two support plates is provided with reversing switch.The configuration of the present invention is simple, it is easy to use, to hardware plate to grip effect good, and can be realized polishing tool and polishing operation carried out to specific region, using flexible, strong operability, precision is high, is suitble to promote the use of.
Description
Technical field
The present invention relates to a kind of grinding device, specifically a kind of hardware plate surface grinding device.
Background technique
Traditional hardware, also referred to as " hardware ".Refer to gold, silver, copper, five kinds of iron, tin metals.It can be made through artificial
At the arts work such as knife, sword or metal device.The hardware of modern society is more extensive, such as hardware tool, hardware components, daily
Hardware, architectural hardware and security protection articles etc..Hardware product is not mostly final consumption product.Hardware plate refers generally to thickness and exists
Hard hardware planar materials of 2 millimeters or more of the soft planar materials and thickness at 0.5 millimeter or more.
Polishing refers to mill or wipes implements surface, makes smooth exquisiteness.Hardware bar through polishing, which can be more suitable for various occasions, to be made
With, for example as accessory construction, bracket, tool raw material, or directly use.
For existing hardware plate surface grinding device there are plate fixed effect is bad, grinding effect is poor, and can not achieve
Polishing operation is carried out to plate specific region, uses inconvenience.
Summary of the invention
The purpose of the present invention is to provide a kind of hardware plate surface grinding devices, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme:
A kind of hardware plate surface grinding device, including cabinet, fixed bracket, support beam, lifter plate, resilient support
Part, drive block, lead screw, feeding sliding block, clamping plate, polishing tool, moving slide block and screw rod, the cabinets cavity bottom symmetrical setting
Flexible supporting element, lifter plate level are erected at the top of elastic supporting member for supporting optical member；The fixed peace in the both ends upper surface of the lifter plate
Equipped with connection pressing plate；The top of two connection pressing plates is fixedly installed clamping plate；The lead screw rotation is erected in cabinet
Top, two feeding sliding blocks are connected through a screw thread mode and are respectively sleeved on the two sides excircle of lead screw；The lifter plate
Middle part upper surface is symmetrically fixedly installed drive block, and the bottom end of two feeding sliding blocks is provided with pulley, and two pulleys are slided respectively
On the dynamic inclined surface for being set to two drive blocks；The elastic supporting member for supporting optical member includes stop sleeve, supporting slider, lifting slider and bullet
Spring, wherein stop sleeve is fixedly mounted on cabinet inner bottom plating upper surface, is slided up and down in stop sleeve equipped with lifting slider, support
The top of slide bar is fixedly connected with the bottom of lifter plate, the lower slide of supporting slider through after the top plate of stop sleeve with liter
Drop sliding block is fixedly connected, and spring is placed in the intracavity bottom of stop sleeve；Fixation is fixedly installed on the left side outer wall of the cabinet
Bracket, support bracket fastened top are fixedly installed hydraulically extensible cylinder；The support beam level is erected on hydraulically extensible cylinder living
The top of stopper rod；The bottom symmetrical of the support beam is fixedly installed fixed plate, and screw rod passes through bearing connection type rotating turret
It is located in fixed plate, the adjusting motor for driving screw turns also is fixedly installed in fixed plate；The moving slide block passes through
Thread connecting mode is set on the excircle of screw rod；The bottom of the moving slide block is fixedly installed with polishing motor, described to beat
Knife milling tool is fixedly connected on the bottom end of polishing motor output shaft；Touching is fixedly installed on the two sides outer wall of the moving slide block
Bar；It is also provided with adjusting truss in the support beam, adjusts and is fixedly connected on truss by the way that fastening bolt is detachable respectively
There are two support plates, and the bottom end of two support plates is provided with reversing switch；Control plane is respectively arranged on the fixed bracket
Plate and PLC controller, wherein the input terminal of PLC controller is electrically connected with reversing switch and control panel respectively, PLC controller
Output end respectively with polishing motor and adjusting electrical connection of motor.
As a further solution of the present invention: two connection pressing plates slide up and down open up in box roof respectively
Two guide channels in.
As a further solution of the present invention: the bottom surface of the clamping plate is provided with anti-skid rubber cushion.
As a further solution of the present invention: the oppositely oriented setting of external spiral opened up on the excircle of the lead screw two sides.
As a further solution of the present invention: offering liftway, the both ends of lead screw on two connection pressing plates
Sliding is set in two liftways respectively.
As a further solution of the present invention: the adjusting motor uses clockwise and anticlockwise motor.
As a further solution of the present invention: the reversing switch and touching bar are in the setting of same level height.
Compared with prior art, the beneficial effects of the present invention are:
The present invention drives lead screw to rotate using handwheel, realizes that two feeding sliding blocks are located remotely from each other, at this time two pulley difference
It is slided on the inclined-plane of two drive blocks, and then lifter plate is driven integrally to move downward, thus realize that two clamping plates move downward,
Spring is in confined state, so that two clamping plates are moved downward and are fixedly clamped to top of the box upper surface hardware plate,
And there is self-locking effect due to being threadedly coupled so as to hardware plate to grip effect good；Two are adjusted by fastening bolt
Position of a support plate in support beam, and then relative position between two reversing switches is adjusted, it can be realized moving slide block
The side-to-side movement in set range, to realize that the polishing tool of high-speed rotation beats fixed area on hardware plate
Operation is ground, using flexible, strong operability, precision is high, is suitble to promote the use of.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of hardware plate surface grinding device.
Fig. 2 is the structural schematic diagram of clamp assemblies in hardware plate surface grinding device.
Fig. 3 is the top view of cabinet in hardware plate surface grinding device.
Fig. 4 is the structural schematic diagram of elastic supporting member for supporting optical member in hardware plate surface grinding device.
In figure: 1- cabinet, the fixed bracket of 2-, 3- hydraulically extensible cylinder, 4- support beam, 5- lifter plate, 6- elastic supporting member for supporting optical member,
7- drive block, 8- screw rod, 9- handwheel, 10- feeding sliding block, 11- pulley, 12- connection pressing plate, 13- clamping plate, 14- anti-skid rubber cushion,
15- polishing tool, 16- polishing motor, 17- moving slide block, 18- adjust truss, 19- support plate, 20- fastening bolt, 21- commutation
Switch, 22- touch bar, 23- fixed plate, 24- screw rod, 25- adjusting motor, 26- liftway, 27- control panel, 28-PLC control
Device processed, 29- guide channel, 61- stop sleeve, 62- supporting slider, 63- lifting slider, 64- spring.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1~4, in the embodiment of the present invention, a kind of hardware plate surface grinding device, including cabinet 1, fixed branch
Frame 2, support beam 4, lifter plate 5, elastic supporting member for supporting optical member 6, drive block 7, lead screw 8, feeding sliding block 10, clamping plate 13, polishing tool 15,
Moving slide block 17 and screw rod 24,1 intracavity bottom of cabinet are symmetrically arranged with elastic supporting member for supporting optical member 6, and 5 level of lifter plate is erected at bullet
The top of property supporting element 6；The both ends upper surface of the lifter plate 5 is fixedly installed with the connection pressing plate being arranged in vertical direction
12, two connection pressing plates 12 are slided up and down respectively in two guide channels 29 opened up on 1 top plate of cabinet；Two companies
The top for connecing pressing plate 12 is fixedly installed clamping plate 13, and the bottom surface of clamping plate 13 is provided with anti-skid rubber cushion 14；The lead screw 8
It is erected at 1 internal upper part of cabinet by the rotation of bearing connection type, the end of lead screw 8 is also fixedly installed with handwheel 9, the lead screw 8
The oppositely oriented setting of the external spiral opened up on the excircle of two sides, two feeding sliding blocks 10 are connected through a screw thread mode and are arranged respectively
On the two sides excircle of lead screw 8；Liftway 26, the both ends difference of lead screw 8 are offered on two connection pressing plates 12
Sliding is set in two liftways 26；The middle part upper surface of the lifter plate 5 is symmetrically fixedly installed drive block 7, two biographies
Motion block 7 forms V-structure, and the bottom end of two feeding sliding blocks 10 is provided with pulley 11, and two pulleys 11 slide respectively is set to two
On the inclined surface of a drive block 7.
The elastic supporting member for supporting optical member 6 includes stop sleeve 61, supporting slider 62, lifting slider 63 and spring 64, wherein supporting
Sleeve 61 is fixedly mounted on 1 inner bottom plating upper surface of cabinet, slides up and down in stop sleeve 61 equipped with lifting slider 63, supporting slider
62 top is fixedly connected with the bottom of lifter plate 5, and the lower slide of supporting slider 62 is through after the top plate of stop sleeve 61
It is fixedly connected with lifting slider 63, spring 64 is placed in the intracavity bottom of stop sleeve 61.
Fixed bracket 2 is fixedly installed on the left side outer wall of the cabinet 1, the top of fixed bracket 2 is fixedly installed liquid
Press telescoping cylinder 3；4 level of support beam is erected at the top of 3 upper piston rod of hydraulically extensible cylinder, utilizes 3 energy of hydraulically extensible cylinder
Enough adjust the height of entire support beam 4；The bottom symmetrical of the support beam 4 is fixedly installed fixed plate 23, and screw rod 24 is logical
It crosses the rotation of bearing connection type to be erected in fixed plate 23, be also fixedly installed in fixed plate 23 for driving screw rod 24 to rotate
Motor 25 is adjusted, motor 25 is adjusted and uses clockwise and anticlockwise motor；The moving slide block 17 is connected through a screw thread mode and is set in screw rod
On 24 excircle；The bottom of the moving slide block 17 be fixedly installed with polishing motor 16, polish motor 16 output shaft downward,
The polishing tool 15 is fixedly connected on the bottom end of polishing 16 output shaft of motor；It is solid on the two sides outer wall of the moving slide block 17
Dingan County is equipped with touching bar 22；It is also provided in the support beam 4 and adjusts truss 18, adjusted and pass through fastening bolt 20 on truss 18
Detachable respectively to be fixedly connected there are two support plate 19, the bottom end of two support plates 19 is provided with reversing switch 21；It is described
Reversing switch 21 and touching bar 22 are in the setting of same level height, and moving slide block 17 touches bar during side-to-side movement
22 can touch reversing switch 21, and adjusting motor 25 can be triggered when touching bar 22 and touching reversing switch 21 and is rotated backward；
The bottom of the moving slide block 17 is fixedly installed with for driving polishing tool 15 to carry out high-speed rotating polishing motor 16.
It is respectively arranged with control panel 27 and PLC controller 28 on the fixed bracket 2, wherein PLC controller 28 is defeated
Enter end to be electrically connected with reversing switch 21 and control panel 27 respectively, the output end of PLC controller 28 respectively with polishing motor 16
It is electrically connected with motor 25 is adjusted.
The working principle of the invention is: in use, the hardware plate of pending polishing is placed on table on the top of cabinet 1
Face, rotation handwheel 9 drives lead screw 8 to rotate manually later, since the external screw thread on 8 two sides excircle of lead screw is oppositely oriented, two
Feeding sliding block 10 is connected through a screw thread mode and is set on the two sides excircle of lead screw 8, when lead screw 8 rotates, can be realized
Two feeding sliding blocks 10 are located remotely from each other, and two pulleys 11 slide on the inclined-plane of two drive blocks 7 respectively at this time, and then are driven and risen
Drop plate 5 is whole to be moved downward, to realize that two clamping plates 13 move downward, spring 64 is in confined state, so that two folders
Plate 13 is moved downward and is fixedly clamped to 1 dome top surface hardware plate of cabinet, and has self-locking effect due to being threadedly coupled,
So that hardware plate to grip effect good；Two support plates 19 are adjusted in support beam 4 by fastening bolt 20
Position, and then relative position between two reversing switches 21 is adjusted, therefore, two rings can be adjusted according to required polishing range
Relative position between switch 21 can be realized the side-to-side movement in set range of moving slide block 17, to realize height
The polishing tool 15 of speed rotation carries out polishing operation, using flexible, strong operability, precision to fixed area on hardware plate
Height is suitble to promote the use of.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of hardware plate surface grinding device, including cabinet (1), fixed bracket (2), support beam (4), lifter plate (5),
Elastic supporting member for supporting optical member (6), drive block (7), lead screw (8), feeding sliding block (10), clamping plate (13), polishing tool (15), moving slide block
(17) and screw rod (24), which is characterized in that cabinet (1) intracavity bottom is symmetrically arranged with elastic supporting member for supporting optical member (6), lifter plate
(5) level is erected at the top of elastic supporting member for supporting optical member (6), and the both ends upper surface of the lifter plate (5) is fixedly installed with connection pressure
The top of plate (12), two connections pressing plate (12) is fixedly installed clamping plate (13), and lead screw (8) rotation is erected at case
Body (1) internal upper part, two feedings sliding block (10) are connected through a screw thread the two sides excircle that mode is respectively sleeved at lead screw (8)
On, the middle part upper surface of the lifter plate (5) is symmetrically fixedly installed drive block (7), and the bottom end of two feedings sliding block (10) is equal
It is provided with pulley (11), two pulleys (11) are slided respectively on the inclined surface of two drive blocks (7), the elastic supporting member for supporting optical member
It (6) include stop sleeve (61), supporting slider (62), lifting slider (63) and spring (64), wherein stop sleeve (61) is fixed
It is mounted on cabinet (1) inner bottom plating upper surface, is slided up and down in stop sleeve (61) equipped with lifting slider (63), supporting slider (62)
Top be fixedly connected with the bottom of lifter plate (5), the top of the lower slide of supporting slider (62) through stop sleeve (61)
It is fixedly connected after plate with lifting slider (63), spring (64) is placed in the intracavity bottom of stop sleeve (61), a left side for the cabinet (1)
It is fixedly installed on the outer wall of side fixed bracket (2), the top of fixed bracket (2) is fixedly installed hydraulically extensible cylinder (3), the branch
Support crossbeam (4) level is erected at the top of hydraulically extensible cylinder (3) upper piston rod, and the bottom symmetrical of the support beam (4) is fixed
It is provided with fixed plate (23), screw rod (24) is erected on fixed plate (23) by the rotation of bearing connection type, in fixed plate (23)
Also it is fixedly installed with the adjusting motor (25) for driving screw rod (24) to rotate, moving slide block (17) side of being connected through a screw thread
Formula is set on the excircle of screw rod (24), and the bottom of the moving slide block (17) is fixedly installed with polishing motor (16), described
Polishing tool (15) is fixedly connected on the bottom end of polishing motor (16) output shaft, on the two sides outer wall of the moving slide block (17)
It is fixedly installed with touching bar (22), is also provided on the support beam (4) and adjusts truss (18), adjusts and passes through on truss (18)
Fastening bolt (20) is detachable respectively to be fixedly connected there are two support plate (19), and the bottom end of two support plates (19) is provided with
Reversing switch (21) is respectively arranged with control panel (27) and PLC controller (28) on the fixed bracket (2), and wherein PLC is controlled
The input terminal of device (28) processed is electrically connected with reversing switch (21) and control panel (27) respectively, the output of PLC controller (28)
End is electrically connected with polishing motor (16) and adjusting motor (25) respectively.
2. a kind of hardware plate surface grinding device according to claim 1, which is characterized in that two connection pressing plates
(12) it slides up and down respectively in two guide channels (29) opened up on cabinet (1) top plate.
3. a kind of hardware plate surface grinding device according to claim 1, which is characterized in that the bottom of the clamping plate (13)
Portion surface is provided with anti-skid rubber cushion (14).
4. a kind of hardware plate surface grinding device according to claim 1, which is characterized in that lead screw (8) two sides
The oppositely oriented setting of the external spiral opened up on excircle.
5. a kind of hardware plate surface grinding device according to claim 1, which is characterized in that two connection pressing plates
(12) it is offered on liftway (26), the both ends of lead screw (8) are slided respectively to be set in two liftways (26).
6. a kind of hardware plate surface grinding device according to claim 1, which is characterized in that the adjusting motor (25)
Using clockwise and anticlockwise motor.
7. a kind of hardware plate surface grinding device according to claim 1, which is characterized in that the reversing switch (21)
The setting of same level height is in touching bar (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711254464.5A CN107953169B (en) | 2017-12-04 | 2017-12-04 | A kind of hardware plate surface grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711254464.5A CN107953169B (en) | 2017-12-04 | 2017-12-04 | A kind of hardware plate surface grinding device |
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| Publication Number | Publication Date |
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| CN107953169A CN107953169A (en) | 2018-04-24 |
| CN107953169B true CN107953169B (en) | 2019-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711254464.5A Active CN107953169B (en) | 2017-12-04 | 2017-12-04 | A kind of hardware plate surface grinding device |
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| CN (1) | CN107953169B (en) |
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| CN111906634B (en) * | 2020-07-16 | 2021-06-08 | 江苏金沃伺服冲床有限公司 | Quick type machining machine tool |
| CN112157534A (en) * | 2020-10-15 | 2021-01-01 | 盐城丝路信息科技服务有限公司 | Computer machine case grinding device |
| CN112792647B (en) * | 2020-12-31 | 2022-05-17 | 泉州市海恩德机电科技发展有限公司 | Efficient stone material grinding device |
| CN112986895B (en) * | 2021-01-15 | 2024-04-05 | 深圳市先行电气技术有限公司 | Testing device and testing method for carrier module of electric energy meter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101987435B (en) * | 2009-07-29 | 2014-02-19 | 鸿富锦精密工业（深圳）有限公司 | fixture |
| CN104440264A (en) * | 2014-12-03 | 2015-03-25 | 常州市宇佳包装有限公司 | Novel pressing device |
| CN206230329U (en) * | 2016-11-03 | 2017-06-09 | 无锡职业技术学院 | A kind of steel plate sanding apparatus |
| CN107053042A (en) * | 2017-03-01 | 2017-08-18 | 重庆市永川区渝林机械厂 | Sheet material clamping tool |
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| CN107953169A (en) | 2018-04-24 |
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