CN108890452A - A kind of efficient grinding apparatus of cast member processing - Google Patents
A kind of efficient grinding apparatus of cast member processing Download PDFInfo
- Publication number
- CN108890452A CN108890452A CN201810599678.4A CN201810599678A CN108890452A CN 108890452 A CN108890452 A CN 108890452A CN 201810599678 A CN201810599678 A CN 201810599678A CN 108890452 A CN108890452 A CN 108890452A
- Authority
- CN
- China
- Prior art keywords
- downside
- cast member
- grinding apparatus
- motor
- gear
- 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
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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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
-
- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
-
- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
Abstract
The invention discloses a kind of cast members to process efficient grinding apparatus, including bottom plate, connection frame is equipped on the upside of bottom plate, it connects frame inner upper end and is equipped with connecting tube, first connecting rod is equipped with inside connecting tube, connection strap is equipped on the downside of first connecting rod, connection strap private side is equipped with screw rod, screw rod is equipped with sliding block, the second connecting rod is equipped on the downside of sliding block, connect cover is equipped on the downside of second connecting rod, polishing roller is equipped on the downside of connect cover, it connects frame interior lower end and is equipped with partition, swivel plate is equipped on the inside of partition, dust-collecting cavity is equipped on the downside of partition and swivel plate, dust-collecting cavity interior lower end is equipped with filter screen, exhaust column is equipped on the outside of filter screen, connect cover is equipped with inside dust-collecting cavity, right end is equipped with third motor inside connect cover, third motor upper end is equipped with driving gear, driven gear is equipped on the left of driving gear, the second shaft is equipped with inside driven gear.The present invention can effectively polish to cast member upper surface and side, improve the working efficiency of equipment, be convenient for people to use.
Description
Technical field
The present invention relates to a kind of cast member manufacture field, specifically a kind of cast member processes efficient grinding apparatus.
Background technique
Casting is that the mankind grasp than a kind of metal heat processing technique earlier, has history in about 6000.China about exists
B.C. 1700~it is 1000 first between entered heyday of bronze casting, have reached quite high level in technique.Casting
Refer to and solid metallic is molten into the casting mold that liquid pours into specific shape, the processing method to its solidification forming.Had by ingot metal：
Copper, iron, aluminium, tin, lead etc., the material of common casting mold are roughing sand, clay, waterglass, resin and other auxiliary materials.Special Processes of Metal Castings
Casting mold include：Model casting, lost foam casting, permanent mold casting, ceramic mold casting etc..
Cast member is in the process of production and processing, it is often necessary to it polishes equipment surface, but present bruting process
In be typically all polishing roller be it is fixed, the working efficiency of such equipment is low, and equipment generally can only to upper surface or
Side carries out individually one side and polishes, and it is very inconvenient that such equipment polishing is got up.Therefore, those skilled in the art provide one
Kind cast member processes efficient grinding apparatus, to solve the problems mentioned in the above background technology.
Summary of the invention
The purpose of the present invention is to provide a kind of cast members to process efficient grinding apparatus, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the present invention provides the following technical solutions：
A kind of cast member processing efficient grinding apparatus, including bottom plate, the base plate interior are inlaid with cushion blocking, under the bottom plate
Side Corner Strapped is equipped with support base, and connection frame is equipped on the upside of the bottom plate, is equipped at left and right sides of the connection frame inner upper end
Connecting tube, the connecting tube inside are equipped with first connecting rod, are equipped with rack gear, the rack gear at left and right sides of the first connecting rod of left end
Outside engagement is equipped with connection gear, and first rotating shaft is equipped with inside the connection gear, is equipped with first on front side of the first rotating shaft of left end
Motor, the first connecting rod downside are equipped with connection strap, and right end is equipped with the second motor, second motor inside the connection strap
Left side is equipped with screw rod, and the screw rod is equipped with sliding block, and the second connecting rod, the second connecting rod downside are equipped on the downside of the sliding block
Equipped with connect cover, it is equipped with connecting shaft on the downside of the connect cover, connector sleeve is equipped on the outside of the connecting shaft, is set on the downside of the connector sleeve
There is first rotating shaft, polishing roller is equipped on the outside of the first rotating shaft, the connection frame interior lower end is equipped with partition, the diaphragm internal
Equipped with supporting network, it is equipped with swivel plate on the inside of the partition, is equipped with electromagnet inside the swivel plate, under the partition and swivel plate
Side is equipped with dust-collecting cavity, and chamber door is equipped on front side of the dust-collecting cavity, and filter screen is equipped at left and right sides of the dust-collecting cavity interior lower end, described
Exhaust column is equipped on the outside of filter screen, the exhaust column is equipped with air pump, is equipped with connect cover, the connection inside the dust-collecting cavity
It covers internal right end and is equipped with third motor, third motor upper end is equipped with driving gear, is equipped on the left of the driving gear driven
Gear, the driven gear inside are equipped with the second shaft, are fixed and welded together on the upside of second shaft with swivel plate.
As a further solution of the present invention：The support base interior lower end is inlaid with friction pad.
As a further solution of the present invention：Limited block is equipped on the upside of the first connecting rod.
As a further solution of the present invention：Both ends are equipped with mounting blocks on the outside of second motor.
As a further solution of the present invention：The connecting shaft rear and front end is equipped with screw thread and nut.
As a further solution of the present invention：Sliding slot is equipped on the inside of the partition.
As a further solution of the present invention：Bulge loop is equipped on the outside of the swivel plate.
As further scheme of the invention：Position limited gear and limit shaft are equipped on the left of the driven gear.
Compared with prior art, the beneficial effects of the invention are as follows：Cast member can be placed on the upside of swivel plate by the present invention,
By the characteristic of electromagnet inside swivel plate, the fixation so that it is convenient to cast member can be effectively adsorbed to cast member,
Equipment is facilitated polish；Driving gear rotation is driven by third motor, such driving gear drives driven gear, this
Belt transect moves the second shaft and the swivel plate of upside is rotated, and can be convenient equipment in this way and carries out rotary-grinding；Pass through the first electricity
Machine drives connection gear rotation, since connection gear and rack gear engage, effectively equipment can be driven to move up and down in this way,
It can be convenient equipment in this way to polish；By manually adjusting the nut of connecting shaft rear and front end, it can manually adjust beat in this way
The orientation of grinding roller can effectively facilitate the side of air exercise grinding roller and top surface to polish in this way；Silk is driven by the second motor
Bar rotation, the orientation of polishing roller adjustable in this way is so that it is convenient to which equipment is polished comprehensively；By the dust exhaust apparatus of downside,
Processing that can effectively to the clast of polishing can send out the cleaning for guaranteeing equipment in this way；The cushion blocking of bottom, can be effectively
The vibration for reducing equipment, can be effectively protected equipment in this way, reduce the noise pollution of equipment, and increase equipment uses the longevity
Life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of cast member of embodiment 1 processes efficient grinding apparatus.
Fig. 2 is the structural schematic diagram that a kind of cast member of embodiment 1 processes efficient grinding apparatus main view.
Fig. 3 is the structural schematic diagram that a kind of cast member of embodiment 1 processes connecting tube left view in efficient grinding apparatus.
Fig. 4 is the structural schematic diagram that a kind of cast member of embodiment 1 processes connect cover left view in efficient grinding apparatus.
Fig. 5 is the structural schematic diagram that a kind of cast member of embodiment 2 processes connect cover left view in efficient grinding apparatus.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment 1
Refering to fig. 1~4, in the embodiment of the present invention, a kind of efficient grinding apparatus of cast member processing, including bottom plate 1, the bottom plate
It is inlaid with cushion blocking 2 inside 1, the vibration of equipment can be effectively reduced, equipment can be effectively protected in this way, reduce equipment
Noise pollution, increase the service life of equipment, the 1 downside Corner Strapped of bottom plate is equipped with support base 3, the support base
3 interior lower ends are inlaid with friction pad, can effectively increase the frictional force between equipment and ground, can effectively protect in this way
The stabilization of equipment has been demonstrate,proved, connection frame 4 is equipped on the upside of the bottom plate 1, is equipped with connecting tube at left and right sides of 4 inner upper end of connection frame
5, it is equipped with first connecting rod 6 inside the connecting tube 5, limited block, the first connection of left end are equipped on the upside of the first connecting rod 6
Rack gear 7 is equipped at left and right sides of bar 6, engagement is equipped with connection gear 8 on the outside of the rack gear 7, is equipped with first inside the connection gear 8
Shaft 9 is equipped with first motor 10 on front side of the first rotating shaft 9 of left end, drives connection gear 8 to rotate by first motor 10, in this way
It drives first connecting rod 6 to move up and down, the device of downside in this way can effectively be driven to carry out up and down adjustment so that it is convenient to set
Standby use is equipped with connection strap 11 on the downside of the first connecting rod 6, and the 11 inside right end of connection strap is equipped with the second motor 12,
Second motor, the 12 outside both ends are equipped with mounting blocks, can be convenient and the second motor 12 is fixedly mounted, and second motor 12 is left
Side is equipped with screw rod 13, and the screw rod 13 is equipped with sliding block 14, drives screw rod 13 to rotate by the second motor 12, in this way band movable slider
14 move left and right, and drive the grinding device of downside to carry out left and right adjusting so that it is convenient to equipment is polished in this way, the sliding block 14
Downside is equipped with the second connecting rod 15, and connect cover 16, the company of being equipped on the downside of the connect cover 16 are equipped on the downside of second connecting rod 15
Spindle 17,17 rear and front end of connecting shaft are equipped with screw thread and nut, can be effectively fixed and adjust the side of internal equipment
, it is equipped with connector sleeve 18 on the outside of the connecting shaft 17, is equipped with first rotating shaft 19, the first rotating shaft 19 on the downside of the connector sleeve 18
Outside is equipped with polishing roller 20, by manually adjusting the nut of 17 rear and front end of connecting shaft, can manually adjust polishing roller 20 in this way
Orientation, can effectively facilitate polish the side of cast member and top surface in this way, 4 interior lower end of connection frame is equipped with
Partition 21 is equipped with sliding slot on the inside of the partition 21, is equipped with supporting network 22 inside the partition 21, and can be convenient dust must enter,
It is equipped with swivel plate 23 on the inside of the partition 21, is equipped with bulge loop on the outside of the swivel plate 23, bulge loop is inserted into inside sliding slot, in this way may be used
To guarantee the stable rotation of swivel plate, it is equipped with electromagnet 24 inside the swivel plate 23, passes through 23 inside electromagnet 24 of swivel plate
Characteristic, the fixation so that it is convenient to cast member can be effectively adsorbed to cast member, facilitate equipment carry out beat
It grinds, dust-collecting cavity 25 is equipped on the downside of the partition 21 and swivel plate 23, chamber door 34 is equipped on front side of the dust-collecting cavity 25, can be convenient place
Dust is managed, filter screen 26 is equipped at left and right sides of 25 interior lower end of dust-collecting cavity, is equipped with exhaust column 27 on the outside of the filter screen 26,
The exhaust column 27 is equipped with air pump 28, and the model GD30K2-12 of the air pump 28 is equipped with inside the dust-collecting cavity 25
Connect cover 29, the 29 inside right end of connect cover is equipped with third motor 30, after polishing, removes the magnetism of electromagnet 24,
In this way by that dust effectively can be collected into dust-collecting cavity by supporting network 22 under air pump 28 and artificial double action
Inside 25, the use of equipment can be effectively facilitated in this way, 30 upper end of third motor is equipped with driving gear 31, described
It is equipped with driven gear 32 on the left of driving gear 31, position limited gear and limit shaft are equipped on the left of the driven gear 32, it is described driven
The second shaft 33 is equipped with inside gear 32,33 upside of the second shaft is fixed and welded together with swivel plate 23, passes through third
Motor 30 drives driving gear 31 to rotate, and such driving gear 31 drives driven gear 32, drives the second shaft 33 and upper in this way
The swivel plate 23 of side is rotated so that it is convenient to which equipment carries out rotary-grinding, the first motor 10, the second motor 12 and third
The model 42BYG250A of motor 30.
Cast member can be placed on the upside of swivel plate 23 by the present invention, by the characteristic of 23 inside electromagnet 24 of swivel plate,
The fixation so that it is convenient to cast member can be effectively adsorbed to cast member, facilitated equipment and polish, then lead to
Crossing third motor 30 drives driving gear 31 to rotate, and such driving gear 31 drives driven gear 32, in this way the second shaft of drive
33 and the swivel plate 23 of upside rotated, drive connection gear 8 to rotate by first motor 10 in rotary course, due to even
It connects gear 8 and rack gear 7 engages, effectively equipment can be driven to move up and down in this way, during moving up and down, passed through
The nut of 17 rear and front end of connecting shaft is manually adjusted, the orientation of polishing roller 20 can be manually adjusted in this way, it in this way can be effectively
It is convenient to polish the side of cast member and top surface, drive screw rod 13 to rotate by the second motor 12, it is adjustable in this way to beat
The orientation of grinding roller 20 is so that it is convenient to which equipment is polished comprehensively.
Embodiment 2
Refering to fig. 1, Fig. 3 and Fig. 5, difference from example 1 is that, the 4th motor 35 is equipped on the outside of the connecting shaft 17,
4th motor, the 35 model 42BYG250A, in this way polishing roller 20 are driven when adjusting orientation by the 4th motor 35
Connecting shaft 17 is rotated, in this way drive polishing roller 20 carry out numerical value it is rectangular on rotation, can effectively adjust polishing in this way
The orientation of roller 20 can effectively facilitate equipment in this way and polish, in this way can be more safe during adjusting
With it is accurate.
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 (8)
1. a kind of cast member processing efficient grinding apparatus, including bottom plate, which is characterized in that the base plate interior is inlaid with vibration damping
Pad, the baseplate underside Corner Strapped are equipped with support base, connection frame, the connection frame inner upper end are equipped on the upside of the bottom plate
The left and right sides is equipped with connecting tube, and first connecting rod is equipped with inside the connecting tube, is equipped at left and right sides of the first connecting rod of left end
Rack gear, rack gear outside engagement are equipped with connection gear, are equipped with first rotating shaft, the first rotating shaft of left end inside the connection gear
Front side is equipped with first motor, and connection strap is equipped on the downside of the first connecting rod, and right end is equipped with the second motor inside the connection strap,
Screw rod is equipped on the left of second motor, the screw rod is equipped with sliding block, is equipped with the second connecting rod on the downside of the sliding block, and described the
It is equipped with connect cover on the downside of two connecting rods, connecting shaft is equipped on the downside of the connect cover, connector sleeve is equipped on the outside of the connecting shaft, it is described
It is equipped with first rotating shaft on the downside of connector sleeve, polishing roller is equipped on the outside of the first rotating shaft, the connection frame interior lower end is equipped with partition,
The diaphragm internal is equipped with supporting network, and swivel plate is equipped on the inside of the partition, is equipped with electromagnet inside the swivel plate, it is described every
It is equipped with dust-collecting cavity on the downside of plate and swivel plate, chamber door is equipped on front side of the dust-collecting cavity, is set at left and right sides of the dust-collecting cavity interior lower end
There is filter screen, exhaust column is equipped on the outside of the filter screen, the exhaust column is equipped with air pump, the company of being equipped with inside the dust-collecting cavity
Cover is connect, right end is equipped with third motor inside the connect cover, and third motor upper end is equipped with driving gear, the driving gear
Left side is equipped with driven gear, and the driven gear inside is equipped with the second shaft, the second shaft upside and the fixed weldering of swivel plate
It is connected together.
2. a kind of cast member according to claim 1 processes efficient grinding apparatus, which is characterized in that in the support base
Subordinate end is inlaid with friction pad.
3. a kind of cast member according to claim 1 processes efficient grinding apparatus, which is characterized in that first connection
Limited block is equipped on the upside of bar.
4. a kind of cast member according to claim 1 processes efficient grinding apparatus, which is characterized in that second motor
Outside both ends are equipped with mounting blocks.
5. a kind of cast member according to claim 1 processes efficient grinding apparatus, which is characterized in that before the connecting shaft
Both ends are equipped with screw thread and nut afterwards.
6. a kind of cast member according to claim 1 processes efficient grinding apparatus, which is characterized in that on the inside of the partition
Equipped with sliding slot.
7. a kind of cast member according to claim 1 processes efficient grinding apparatus, which is characterized in that outside the swivel plate
Side is equipped with bulge loop.
8. a kind of cast member according to claim 1 processes efficient grinding apparatus, which is characterized in that the driven gear
Left side is equipped with position limited gear and limit shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810599678.4A CN108890452A (en) | 2018-06-12 | 2018-06-12 | A kind of efficient grinding apparatus of cast member processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810599678.4A CN108890452A (en) | 2018-06-12 | 2018-06-12 | A kind of efficient grinding apparatus of cast member processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108890452A true CN108890452A (en) | 2018-11-27 |
Family
ID=64344605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810599678.4A Pending CN108890452A (en) | 2018-06-12 | 2018-06-12 | A kind of efficient grinding apparatus of cast member processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108890452A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898226A (en) * | 2019-04-10 | 2019-06-18 | 倪娟形 | A kind of knitting big disc gear mechanical positioner |
| CN110076697A (en) * | 2019-04-23 | 2019-08-02 | 苏于花 | A kind of grinding device for Gear Processing |
| CN110153856A (en) * | 2019-06-17 | 2019-08-23 | 巢湖云海镁业有限公司 | A kind of grinding device of magnesium alloy parts production |
| CN111002169A (en) * | 2019-12-20 | 2020-04-14 | 安徽宏华铸造有限公司 | Polishing equipment for machining casting parts |
| CN113561031A (en) * | 2021-09-24 | 2021-10-29 | 徐州市贾汪区万青聚富新能源有限公司 | Machine tool for electromechanical equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107096980A (en) * | 2017-05-22 | 2017-08-29 | 合肥智慧龙图腾知识产权股份有限公司 | One kind circulation multiple spot novel automatic welding machine |
| CN107962485A (en) * | 2017-12-11 | 2018-04-27 | 郑州国知网络技术有限公司 | A kind of rotatable Novel grinding device |
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2018
- 2018-06-12 CN CN201810599678.4A patent/CN108890452A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107096980A (en) * | 2017-05-22 | 2017-08-29 | 合肥智慧龙图腾知识产权股份有限公司 | One kind circulation multiple spot novel automatic welding machine |
| CN107962485A (en) * | 2017-12-11 | 2018-04-27 | 郑州国知网络技术有限公司 | A kind of rotatable Novel grinding device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898226A (en) * | 2019-04-10 | 2019-06-18 | 倪娟形 | A kind of knitting big disc gear mechanical positioner |
| CN110076697A (en) * | 2019-04-23 | 2019-08-02 | 苏于花 | A kind of grinding device for Gear Processing |
| CN110153856A (en) * | 2019-06-17 | 2019-08-23 | 巢湖云海镁业有限公司 | A kind of grinding device of magnesium alloy parts production |
| CN111002169A (en) * | 2019-12-20 | 2020-04-14 | 安徽宏华铸造有限公司 | Polishing equipment for machining casting parts |
| CN113561031A (en) * | 2021-09-24 | 2021-10-29 | 徐州市贾汪区万青聚富新能源有限公司 | Machine tool for electromechanical equipment |
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Application publication date: 20181127 |
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