CN108296911A - Auto parts and components process equipment - Google Patents
Auto parts and components process equipment Download PDFInfo
- Publication number
- CN108296911A CN108296911A CN201810024313.9A CN201810024313A CN108296911A CN 108296911 A CN108296911 A CN 108296911A CN 201810024313 A CN201810024313 A CN 201810024313A CN 108296911 A CN108296911 A CN 108296911A
- Authority
- CN
- China
- Prior art keywords
- rocking bar
- bar
- hinged
- sliding block
- telescopic rod
- 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.)
- Pending
Links
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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
-
- 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
- B24B41/02—Frames; Beds; Carriages
-
- 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
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The present invention relates to the technical fields of auto parts machinery processing, specifically disclose a kind of auto parts and components process equipment, the equipment includes workbench, first support bar and second support bar are connected on workbench, first support bar is connected with cross bar and telescopic cylinder, cross bar slidably connects the first sliding block, and cross bar both sides are arranged with the mechanism for clamping workpiece hinged with the first sliding block, and the output end of telescopic cylinder is fixedly connected with the first sliding block；Second support bar is connected with stepper motor and baffle, the output end of stepper motor is connected with telescopic rod, the both sides of telescopic rod are arranged with the mechanism for workpiece of polishing, the axis of telescopic rod and cross bar coincides, baffle offers the hole passed through for telescopic rod, baffle is rotatably connected to the second sliding block close to the side of telescopic cylinder, and the second sliding block is slidably connected with telescopic rod.The present invention can realize workpiece to the heart polish, avoid polishing after workpiece off-centring, ensure workpiece can normal use, extend its service life.
Description
Technical field
The present invention relates to the technical fields of auto parts machinery processing, specifically disclose a kind of auto parts and components process equipment.
Background technology
Auto parts and components majority is stamping parts can have more hair after its integrated molding on surface of automobile part
Thorn, at this moment just needs to polish to burr, to reach requirement.Most producers considers the problem of equipment cost, meeting
The burr on auto parts and components is removed by the way of manual grinding, but such grinding efficiency that not only results in is low, can also lead
Cause polishing unstable quality.In addition, many auto parts and components needs are used cooperatively in pairs, such as in bearing outer ring and bearing
Circle and bearing holder (housing, cover) and axis etc. require that the central point for the auto parts and components being used cooperatively overlaps, and avoid occurring during use
The case where unbalance stress, causes parts impaired.Due to manual grinding it cannot be guaranteed that auto parts and components polishing rear center will not be inclined
It moves, therefore can have the situation that this kind of auto parts and components can not be used cooperatively in pairs so that rejection rate improves, and increase is produced into
This；Separately polished using sander this kind of auto parts and components when, also it cannot be guaranteed that its can be carried out along the circumferential direction of auto parts and components
Uniform grinding causes the auto parts and components after polishing cannot be at that is, it cannot be guaranteed that the centers of parts does not shift after polishing
To being used cooperatively.
Invention content
The invention is intended to provide a kind of auto parts and components process equipment, to solve zero, the automobile after the prior art is polished
The center of part shifts the problem of causing it can not work normally.
In order to achieve the above object, base case of the invention is：Auto parts and components process equipment, including workbench, institute
It states and is fixedly connected with first support bar on workbench, first support bar is fixedly connected with cross bar and telescopic cylinder, and the cross bar is slided
Dynamic to be connected with the first sliding block, one end of the first sliding block is hinged with the first rocking bar, and the other end of the first sliding block is hinged with the second rocking bar,
First rocking bar is hinged with third rocking bar, and third rocking bar is hinged with cross bar, and the second rocking bar is hinged with the 4th rocking bar, the 4th rocking bar and cross
Bar is hinged, and first rocking bar and the second rocking bar, third rocking bar and the 4th the rocking bar axial symmetry centered on cross bar are arranged, described
The one end of first rocking bar and the second rocking bar far from telescopic cylinder is fixedly connected with the first clamping piece for being useful for clamping workpiece, described
The output end of telescopic cylinder is fixedly connected with the first sliding block；Second support bar is slidably connected on workbench, second support bar is solid
Surely it is connected with stepper motor and baffle, the output end of the stepper motor is fixedly connected with telescopic rod, the telescopic rod and cross bar
Axis coincide；The baffle offers the hole passed through for telescopic rod, and baffle is rotatablely connected close to the side of telescopic cylinder
There are the second sliding block, the second sliding block to be slidably connected with telescopic rod；One end of second sliding block is hinged with the 5th rocking bar, the second sliding block
The other end be hinged with the 6th rocking bar, the 5th rocking bar is hinged with the 7th rocking bar, and the 7th rocking bar is hinged with telescopic rod, the 6th rocking bar hinge
It is connected to the 8th rocking bar, the 8th rocking bar is hinged with telescopic rod, and the 5th rocking bar and the 6th rocking bar, the 7th rocking bar and the 8th rocking bar are equal
Axial symmetry is arranged centered on telescopic rod, and the 5th rocking bar and the 6th one end of rocking bar far from stepper motor are detachably connected
It is useful for the cutter of polishing workpiece.
The operation principle of this base case is：Position of first sliding block on cross bar is adjusted using telescopic cylinder, it is hinged
The first rocking bar and the second rocking bar on the first sliding block move therewith, at this time due to being hinged between the first rocking bar and cross bar
Three rocking bars are hinged with the 4th rocking bar, and the first rocking bar and the second rocking bar, third rocking bar and the 4th rocking bar between the second rocking bar and cross bar
Axial symmetry is arranged centered on cross bar, therefore, is connected between the first clamping piece on the first rocking bar and the second rocking bar
Distance will be with the change of the first slide position and change, so that the workpiece of different size is clamped, also, the axis of cross bar will
It coincides with the center line of workpiece；Similarly, telescopic rod is by the length of telescopic adjustment itself, and the second sliding block is in telescopic rod axial direction
Direction is not moved, and the 7th rocking bar being hinged on telescopic rod and the 8th rocking bar move therewith, and the one of the second sliding block
The other end of hinged 5th rocking bar in end, the second sliding block be hinged 6th rocking bar, and the 5th rocking bar is hinged with the 7th rocking bar, the 6th rocking bar and
8th rocking bar is hinged, and axial symmetry is set centered on telescopic rod for the 5th rocking bar and the 6th rocking bar, the 7th rocking bar and the 8th rocking bar
It sets, therefore, the distance between the cutter being connected on the 5th rocking bar and the 6th rocking bar will be with the length of telescopic rod itself
Change and change, to adapt to the workpiece of polishing different size, also, the central point of cutter spacing is located on the axis of telescopic rod；
Since the axis of telescopic rod and cross bar coincides, the central point of cutter spacing realizes work by the center line of workpiece
Part polishes to the heart.
The advantageous effect of this base case is：
1, the first rocking bar and the second rocking bar, third rocking bar and the 4th rocking bar are designed in this base case centered on cross bar
Axial symmetry is arranged, and axial symmetry is set centered on telescopic rod for the 5th rocking bar of design and the 6th rocking bar, the 7th rocking bar and the 8th rocking bar
It sets, and the axis of cross bar and telescopic rod coincides, ensures that the central point of cutter spacing is located on the center line of workpiece with this, realize
Workpiece polishes to the heart, and the center of workpiece after polishing is avoided to shift, other auto parts and components of the work pieces mate is caused to use
Shi Fasheng is seriously worn, and leads to the reduced service life of workpiece, and then effectively reduces the disqualification rate of product, and reduction is produced into
This.
2, in this base case, the first clamping piece on the first rocking bar and the second rocking bar can follow the movement of the first sliding block
And move, therefore, different size of workpiece can be clamped in the first clamping piece, realized with this and pressed from both sides to the workpiece of different-diameter
It holds, avoids replacing clamping device so that the workpiece of different-diameter is clamped, reduce the equipment investment cost of enterprise.
3, in this base case, the cutter on the 5th rocking bar and the 6th rocking bar can follow the length of telescopic rod to change and change
Become position, is realized with this and workpiece of different-diameter polish the heart, use scope is wide.
Further, the 5th rocking bar and the 6th one end of rocking bar far from stepper motor, which are fixedly connected with, is useful for clamping work
Second clamping piece of part is fixedly mounted on the workbench and is useful for the first spray body of glue spraying and the second spraying for sandblasting
Mechanism.The second workpiece being used in combination with the workpiece clamped by the first clamping piece, the first spraying can be clamped in second clamping piece
Glue even application in the outer surface of second workpiece, is formed glue layer by mechanism, and subsequent second spray body is uniform by quartz sand
It is sprayed on glue layer, forms polishing layer, workpiece polish to the heart using second workpiece, after more effectively protecting positive polishing
Workpiece can be used in conjunction with each other with second workpiece, prevent workpiece the case where cannot being used cooperatively with second workpiece after polishing
Occur.
Further, the section of first clamping piece and the second clamping piece is in arc-shaped.In this way so that the first clamping piece
Contact with workpiece, the second clamping piece with workpiece is more bonded, so that the contact area of the first clamping piece and workpiece, second
The contact area of clamping piece and workpiece increases, and in the case of identical chucking power, the pressure suffered by workpiece reduces, and avoids workpiece
Local deformation occurs.
Further, first clamping piece and the second clamping piece have been fixedly connected with sponge protection close to the side of workpiece
Layer.It avoids the first clamping piece and the second clamping piece from being in direct contact workpiece, workpiece surface is caused to scratch.
Further, the sponge protective layer is soaked with 75% alcoholic solution.Sponge protective layer occurs under the action of chucking power
Deformation, volume reduce, and 75% alcoholic solution overflows, and drenches workpiece surface.During polishing workpiece, because friction is produced
Raw heat makes the temperature rise of workpiece, and the heat of workpiece is taken away in 75% alcoholic solution volatilization at this time, cools down to workpiece.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 2 is the structural schematic diagram of the embodiment of the present invention 2.
Specific implementation mode
Below by the further details of explanation of specific implementation mode：
Reference numeral in Figure of description includes：Workbench 1, first support bar 2, cross bar 3, telescopic cylinder 4, first are slided
Block 5, the first rocking bar 6, the second rocking bar 7, third rocking bar 8, the 4th rocking bar 9, the first clamping piece 10, sponge protective layer 11, second
Strut 12, stepper motor 13, baffle 14, telescopic rod 15, the second sliding block 16, the 5th rocking bar 17, the 6th rocking bar 18, the 7th rocking bar
19, the 8th rocking bar 20, cutter 21, the second clamping piece 22, the first spray body 23, the second spray body 24, bearing holder (housing, cover) 25, axis
26。
Embodiment 1
Auto parts and components process equipment as shown in Figure 1 in the present embodiment, including workbench 1 are fixedly connected on workbench 1
There are first support bar 2, first support bar 2 to be fixedly connected with cross bar 3 and telescopic cylinder 4；Cross bar 3 slidably connects the first sliding block 5,
The upper end of first sliding block 5 is hinged with the first rocking bar 6, and the lower end of the first sliding block 5 is hinged with the second rocking bar 7, and the first rocking bar 6 is hinged with
Third rocking bar 8, third rocking bar 8 and the right end of cross bar 3 are hinged, and the second rocking bar 7 is hinged with the 4th rocking bar 9, the 4th rocking bar 9 and cross bar
3 right end is hinged, and axial symmetry is set centered on cross bar 3 for the first rocking bar 6 and the second rocking bar 7, third rocking bar 8 and the 4th rocking bar 9
It sets, the right end of the first rocking bar 6 and the second rocking bar 7 is fixedly connected with the first clamping piece 10 for being useful for clamping workpiece, the first clamping
The section of piece 10 is in arc-shaped, to increase the contact area between the first clamping piece 10 and workpiece so that the first clamping piece 10 is more
Steadily clamping workpiece is fixedly connected with the sponge protective layer 11 for being soaked with 75% alcoholic solution on the first clamping piece 10；Flexible gas
The output end of cylinder 4 is fixedly connected with the first sliding block 5.
Second support bar 12 is slidably connected on workbench 1, second support bar 12 is fixedly connected with stepper motor 13 and gear
The output end of plate 14, stepper motor 13 is fixedly connected with telescopic rod 15, and telescopic rod 15 and the axis of cross bar 3 coincide.Baffle 14
Offer the hole passed through for telescopic rod 15, the left pivot movement of baffle 14 is connected with the second sliding block 16, the second sliding block 16 with it is flexible
Bar 15 is slidably connected；The upper end of second sliding block 16 is hinged with the 5th rocking bar 17, and the lower end of the second sliding block 16 is hinged with the 6th rocking bar
18, the 5th rocking bar 17 is hinged with the 7th rocking bar 19, and the left end of the 7th rocking bar 19 and telescopic rod 15 is hinged, and the 6th rocking bar 18 is hinged with
The left end of 8th rocking bar 20, the 8th rocking bar 20 and telescopic rod 15 is hinged, the 5th rocking bar 17 and the 6th rocking bar 18,19 and of the 7th rocking bar
8th rocking bar 20 centered on telescopic rod 15 axial symmetry be arranged, the 5th rocking bar 17 and the 6th rocking bar 18 it is remote left end it is detachable
It is connected with the cutter 21 for workpiece of polishing.
Bearing holder (housing, cover) 25 is chosen in the present embodiment polish to the heart, when specific works, telescopic cylinder 4 is utilized to push first to slide
Block 5 slides on cross bar 3, and the first rocking bar 6 and the second rocking bar 7 being hinged on the first sliding block 5 move, and drives third rocking bar
8 and the 4th rocking bar 9 move, since the first rocking bar 6 and the second rocking bar 7, third rocking bar 8 and the 4th rocking bar 9 are with cross bar 3
Setting substantially symmetrical about its central axis, therefore, when telescopic cylinder 4 pushes the first sliding block 5 to slide to the right, the distance between the first clamping piece 10 increases
Greatly, the workpiece being relatively large in diameter can be clamped, when telescopic cylinder 4 pulls the first sliding block 5 to slide to the left, between the first clamping piece 10
Distance reduces, and the smaller workpiece of diameter can be clamped.When 10 stable holding bearing holder (housing, cover) 25 of the first clamping piece, the level of cross bar 3
The center line of axis and bearing holder (housing, cover) 25 coincides, and 75% alcoholic solution in sponge protective layer 11 overflows, and drenches bearing holder (housing, cover)
25 surface.At this point, the length of adjustable telescopic rod 15, is hinged on the 7th rocking bar 19 and the 8th rocking bar 20 hair of 15 left end of telescopic rod
Raw movement, drives the 5th rocking bar 17 and the 6th rocking bar 18 to move, since the second sliding block 16 is rotatably connected on baffle 14, because
The right end of this 5th rocking bar 17 being hinged on the second sliding block 16 and the 6th rocking bar 18 will not move, due to the 5th rocking bar 17
Axial symmetry is arranged centered on telescopic rod 15 with the 6th rocking bar 18, the 7th rocking bar 19 and the 8th rocking bar 20, therefore, works as telescopic rod
When 15 left end is elongated, the distance between cutter 21 reduces, and when the left end of telescopic rod 15 is elongated, the distance between cutter 21 becomes larger,
It is realized with this and is polished the workpiece of different-diameter, and the central point of 21 spacing of cutter is located on the axis of telescopic rod 15.When
When distance between cutter 21 reduces, second support bar 12 is slided so that cutter 21 enters in bearing holder (housing, cover) 25, and adjustment telescopic rod 15 is left
The length at end so that cutter 21 is in contact with the inner wall of bearing holder (housing, cover) 25, and the central point of 21 spacing of cutter is located at bearing holder (housing, cover) 25 at this time
Center line on, then start stepper motor 13, stepper motor 13 drive telescopic rod 15 rotate, the second sliding block 16, the 5th rocking bar
17, the 6th rocking bar 18, the 7th rocking bar 19, the 8th rocking bar 20 and cutter 21 start to rotate, and cutter 21 starts to bearing holder (housing, cover) 25
Inner wall polish the heart, and the heat generated when polishing is taken away in the 75% alcoholic solution volatilization on 25 outer surface of bearing holder (housing, cover) at this time,
Cool down to bearing holder (housing, cover) 25.After the completion of polishing, bearing holder (housing, cover) 25 is removed.
Embodiment 2
The present embodiment difference from example 1 is that：As shown in Fig. 2, a left side for the 5th rocking bar 17 and the 6th rocking bar 18
End is fixedly connected with the second clamping piece 22 for being useful for clamping workpiece, is fixedly mounted on workbench 1 and is useful for the spraying of glue spraying first
Mechanism 23 and the second spray body 24 for sandblasting.
When specific works, the axis 26 being used in conjunction with each other with bearing holder (housing, cover) 25 can be clamped in the second clamping piece 22, utilize first
Spray body 23 forms glue layer to the circumferential surface even application glue of axis 26, recycles the second spray body 24 to glue
Water layer sandblasting forms polishing layer, then slides second support bar 12 to the left so that polishing layer enters in bearing holder (housing, cover) 25, starts step
Stepper motor 13, polishing layer polish to 25 inner wall of bearing holder (housing, cover).Bearing holder (housing, cover) 25 polish to the heart using axis 26, it can be more
Effectively ensure being used cooperatively for bearing holder (housing, cover) 25 and axis 26, be seriously worn when bearing holder (housing, cover) 25 being avoided to be used cooperatively with axis 26,
Lead to the reduced service life of bearing holder (housing, cover) 25 and axis 26.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these all do not interfere with what the present invention was implemented
Effect and patent practicability.
Claims (5)
1. auto parts and components process equipment, including workbench, it is characterised in that：The first support is fixedly connected on the workbench
Bar, first support bar are fixedly connected with cross bar and telescopic cylinder, and the cross bar slidably connects the first sliding block, and the one of the first sliding block
End is hinged with the first rocking bar, and the other end of the first sliding block is hinged with the second rocking bar, and the first rocking bar is hinged with third rocking bar, and third is shaken
Bar is hinged with cross bar, and the second rocking bar is hinged with the 4th rocking bar, and the 4th rocking bar is hinged with cross bar, and first rocking bar and second shakes
Bar, third rocking bar and the 4th the rocking bar axial symmetry centered on cross bar are arranged, and first rocking bar and the second rocking bar are far from flexible
One end of cylinder is fixedly connected with the first clamping piece for being useful for clamping workpiece, the output end of the telescopic cylinder and the first sliding block
It is fixedly connected；Second support bar is slidably connected on workbench, second support bar is fixedly connected with stepper motor and baffle, described
The output end of stepper motor is fixedly connected with telescopic rod, and the axis of the telescopic rod and cross bar coincides；The baffle offers
For the hole that telescopic rod passes through, baffle is rotatably connected to the second sliding block, the second sliding block and telescopic rod close to the side of telescopic cylinder
It is slidably connected；One end of second sliding block is hinged with the 5th rocking bar, and the other end of the second sliding block is hinged with the 6th rocking bar, and the 5th
Rocking bar is hinged with the 7th rocking bar, and the 7th rocking bar is hinged with telescopic rod, and the 6th rocking bar is hinged with the 8th rocking bar, the 8th rocking bar with it is flexible
Bar is hinged, and the 5th rocking bar and the 6th rocking bar, the 7th rocking bar and the 8th the rocking bar axial symmetry centered on telescopic rod are arranged, institute
It states the 5th rocking bar and the 6th one end of rocking bar far from stepper motor is detachably connected the cutter for being useful for polishing workpiece.
2. auto parts and components process equipment according to claim 1, it is characterised in that：5th rocking bar and the 6th rocking bar
One end far from stepper motor is fixedly connected with the second clamping piece for being useful for clamping workpiece, is installed on the workbench
For the first spray body of glue spraying and for the second spray body of sandblasting.
3. auto parts and components process equipment according to claim 2, it is characterised in that：First clamping piece and the second folder
The section for holding piece is in arc-shaped.
4. auto parts and components process equipment according to claim 3, it is characterised in that：First clamping piece and the second folder
It holds piece and has been fixedly connected with sponge protective layer close to the side of workpiece.
5. auto parts and components process equipment according to claim 4, it is characterised in that：The sponge protective layer is soaked with 75%
Alcoholic solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810024313.9A CN108296911A (en) | 2018-01-10 | 2018-01-10 | Auto parts and components process equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810024313.9A CN108296911A (en) | 2018-01-10 | 2018-01-10 | Auto parts and components process equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108296911A true CN108296911A (en) | 2018-07-20 |
Family
ID=62868618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810024313.9A Pending CN108296911A (en) | 2018-01-10 | 2018-01-10 | Auto parts and components process equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108296911A (en) |
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|---|---|---|---|---|
| CN109746838A (en) * | 2019-02-18 | 2019-05-14 | 陈浩 | A kind of essence casting steel pipe impeller head |
| CN111703054A (en) * | 2020-06-23 | 2020-09-25 | 曾小欣 | Blowing tray surplus limit remove device |
| CN111941240A (en) * | 2020-07-15 | 2020-11-17 | 陕西天元石化建设工程有限公司 | Online sand blasting, rust removing and dust removing device for long-distance pipeline |
| CN112248492A (en) * | 2020-12-18 | 2021-01-22 | 扬昕科技(苏州)有限公司 | Mold core processing device for manufacturing light guide plate with gradually-changed included angle |
| CN112902804A (en) * | 2021-03-04 | 2021-06-04 | 广汽丰田汽车有限公司 | Measuring jig for automobile pedal |
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| CN111703054A (en) * | 2020-06-23 | 2020-09-25 | 曾小欣 | Blowing tray surplus limit remove device |
| CN111941240A (en) * | 2020-07-15 | 2020-11-17 | 陕西天元石化建设工程有限公司 | Online sand blasting, rust removing and dust removing device for long-distance pipeline |
| CN112248492A (en) * | 2020-12-18 | 2021-01-22 | 扬昕科技(苏州)有限公司 | Mold core processing device for manufacturing light guide plate with gradually-changed included angle |
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Application publication date: 20180720 |