CN114684548A - Feeding device and feeding method for conveying special-shaped workpieces in circumferential direction - Google Patents
Feeding device and feeding method for conveying special-shaped workpieces in circumferential direction Download PDFInfo
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- CN114684548A CN114684548A CN202210174546.3A CN202210174546A CN114684548A CN 114684548 A CN114684548 A CN 114684548A CN 202210174546 A CN202210174546 A CN 202210174546A CN 114684548 A CN114684548 A CN 114684548A
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- Prior art keywords
- special
- workpiece
- circumferential direction
- belt wheel
- contact section
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G29/00—Rotary conveyors, e.g. rotating discs, arms, star-wheels or cones
- B65G29/02—Rotary conveyors, e.g. rotating discs, arms, star-wheels or cones for inclined or vertical transit
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- 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
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G37/00—Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention relates to a feeding device and a feeding method for conveying special-shaped workpieces in the circumferential direction, wherein the feeding device for conveying the special-shaped workpieces in the circumferential direction comprises a rotary table, an annular belt and a driving device, the rotary table and the annular belt are rotatably arranged on a rack, the driving device drives the annular belt to rotate, the annular belt on the contact section and an arc surface of the rotary table are provided with a contact section, the annular belt on the contact section drives the rotary table to rotate through static friction force, and a clamping position for the special-shaped workpieces is formed between the annular belt on the contact section and the rotary table. The workpiece is clamped by adopting the structural type of the annular belt and the rotary table, feeding and feeding of the workpiece along the circumferential direction are realized along with rotation of the rotary table, and a plurality of potential safety hazards that workers suffer from dust pollution, scald hands at high temperature, easily abrade and cut thumb and forefinger and the like when pinching the special-shaped workpiece by hands for grinding are avoided; the structural arrangement pattern of the annular belt and the rotary disc saves more space; when the special-shaped workpiece is separated from the contact section, the special-shaped workpiece automatically falls under the action of self gravity, so that the unloading time of the special-shaped workpiece is greatly saved.
Description
Technical Field
The invention relates to the technical field of workpiece conveying, in particular to conveying along the circumferential direction, and specifically relates to a feeding device and a feeding method for conveying special-shaped workpieces along the circumferential direction.
Background
In the actual production process of the special-shaped workpiece, operations such as grinding and cutting of the left foot and the right foot of the special-shaped workpiece are often required, at present, when the grinding process is carried out on the special-shaped workpiece, the special-shaped workpiece is usually pinched by the thumb and the forefinger of a worker to be clamped and fixed, and then the operation is completed by approaching to grinding and cutting equipment, so that the production process of the operation mode is original, and the production efficiency is low; workers suffer from dust pollution, high temperature scalding hands, easy abrasion and cutting of the thumb and the index finger and other potential safety hazards.
In order to overcome the defects of the two modes, the mechanical arm is sometimes adopted to operate the special-shaped workpiece, so that the time for loading and unloading the special-shaped workpiece is saved, and the potential safety hazard to an operator is avoided, but the mechanical arm is high in use cost and extremely low in machining efficiency, 5-6 mechanical arms are needed to replace the work content of one worker, and the mechanical arm is not very suitable for popularization and use in a workshop.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the feeding device for conveying the special-shaped workpieces along the circumferential direction, which not only avoids the potential safety hazard of hurting hands, but also reduces the use cost and saves the loading and unloading time of the workpieces.
The invention is realized by the following technical scheme, and provides a feeding device for conveying workpieces along the circumferential direction, which comprises a rotary table, an annular belt and a driving device, wherein the rotary table and the annular belt are rotationally arranged on a rack, the driving device drives the annular belt to rotate, the annular belt at the contact section and an arc surface of the rotary table are provided with a contact section, the rotary table is driven to rotate by the annular belt at the contact section through static friction force, and a clamping position for the workpieces is formed between the annular belt at the contact section and the rotary table.
This scheme passes through the annular band drive carousel and rotates, forms the centre gripping to the work piece through annular band and carousel simultaneously, makes the work piece realize circumference along with the rotation of carousel and feeds, when the work piece passes through the operation position of grinding equipment, realizes the grinding operation, and the work piece is when changeing outside the contact segment, loses the centre gripping of annular band and carousel, drops automatically under the dead weight effect, has saved the time of unloading, has avoided the potential safety hazard that handheld work piece exists moreover.
As optimization, the circular arc surface of the rotary disc is provided with a containing groove which is through along the circumferential direction. This optimization scheme provides for the non-processing position of work piece and places the space through setting up the storage tank, has reduced the protruding deformation of annular area, does benefit to the life who prolongs the annular area, is convenient for simultaneously improve the stability to special-shaped workpiece centre gripping.
Preferably, the arc surface of the turntable is provided with a plurality of positioning grooves matched with the clamped parts of the workpieces. According to the optimized scheme, the positioning groove is arranged to position the clamped part of the special-shaped workpiece, so that the stability of clamping the workpiece is improved, the accuracy of the operation action of the actuating mechanism is ensured, meanwhile, the bulge of the annular belt is avoided, the contact area between the annular belt and the arc surface of the turntable is ensured, and the reliability of the driving of the turntable by the annular belt is improved.
As optimization, all the positioning grooves are uniformly distributed along the circumferential direction. According to the optimization scheme, the positioning grooves are uniformly distributed along the circumferential direction, so that the intervals of the clamped workpieces are consistent, the time intervals of the workpieces reaching the operation position are guaranteed to be consistent under the condition that the rotating speed of the rotary table is constant, and the workpieces are convenient to adapt to the actuating mechanism which acts periodically.
Preferably, the arc surface of the turntable is provided with a notch which extends along the radial direction and is through along the thickness direction of the turntable, an arc block is fixedly and detachably arranged in the notch, the arc surface of the arc block is flush and concentric with the arc surface of the turntable, and the positioning groove is formed in the arc surface of the arc block. This optimization scheme is through setting up the constant head tank on the arc piece, and the arc piece can be dismantled with the carousel and be connected, on the one hand, after certain constant head tank serious wear, can only change corresponding arc piece, need not whole change carousel, has reduced use cost, and on the other hand, because the work piece of different grade type exists differently by clamping part size and shape, consequently the arc piece that conveniently has corresponding constant head tank according to the shape and the size selection of work piece has improved the commonality of carousel, has reduced use cost equally.
Preferably, the turntable is positioned on the outer side of the ring formed by the annular belt, and the outer side surface of the annular belt positioned on the contact section is in contact with the turntable. This optimization scheme sets up the carousel in the annular area outside, the extension length of the contact segment of being convenient for control to make things convenient for the automation of work piece to drop.
As optimization, the contact section is located on one side of the vertical center line of the turntable, and the central angle corresponding to the contact section is 120-180 degrees. This optimization scheme sets up the contact segment in one side of the vertical central line of carousel, is convenient for put into the work piece in the contact segment upper end, and the work piece of being convenient for drops from the contact segment lower extreme is automatic to further improved the convenience of operating efficiency and operation, the sufficient length of contact segment has been guaranteed to the scope of the central angle that the contact segment corresponds, is convenient for increase the work piece quantity of contact segment centre gripping, thereby is favorable to improving the operating efficiency.
Preferably, the driving device comprises a driving motor, a first belt wheel, a second belt wheel, a third belt wheel and a fourth belt wheel which are rotatably installed on the frame and sequentially arranged along the circumferential direction, the first belt wheel is in transmission connection with the driving motor, and the contact section is located between the third belt wheel and the fourth belt wheel. The driving device of the optimized scheme is simple in structure, provides power through the driving motor, supports the annular belt through the four belt wheels, and enables the contact section of the annular belt and the turntable to be arranged between two adjacent belt wheels, so that the structure is more convenient to arrange.
Preferably, a tensioning wheel is arranged between the first belt wheel and the second belt wheel, the tensioning wheel is tangent to the outer side surface of the annular belt, the tensioning wheel is rotatably mounted on an adjusting seat, a long hole extending along the tensioning direction is formed in the adjusting seat, and the adjusting seat is fixedly connected with the rack through a bolt penetrating through the long hole. This optimization scheme realizes the tensioning to the endless belt through setting up the take-up pulley, guarantees the reliability of centre gripping work piece, through setting up the slot hole, is convenient for adjust the tensioning degree to the endless belt, satisfies the special-shaped workpiece centre gripping requirement of different grade type.
Preferably, the inner side surface of the annular belt is provided with meshing teeth, and at least one of the pulley surfaces of the first pulley, the second pulley, the third pulley and the fourth pulley is provided with tooth grooves matched with the meshing teeth. The optimization scheme utilizes the meshing of the tooth grooves and the meshing teeth, avoids the slip between the annular belt and the belt wheel, and improves the reliability of transmission.
The scheme also provides a feeding method by using the feeding device, and particularly comprises the steps of putting a special-shaped workpiece from the upper end of a contact section, enabling the surface to be processed of the workpiece to extend out towards the side where the grinding disc is located, clamping the workpiece by using the annular belt and the turntable, and relatively fixing the annular belt, the workpiece and the turntable at the contact section;
along with the rotation of the turntable, the surface to be ground of the workpiece passes through the grinding disc, and the grinding operation is realized in the integral moving process of the workpiece; after the special-shaped workpiece is separated from the grinding disc, when the special-shaped workpiece continuously moves to a contact separation section along with the turntable, the workpiece automatically falls under the action of self weight, and special unloading is not needed.
The invention has the beneficial effects that: the workpiece is clamped by adopting the structural type of the annular belt and the rotary table, feeding and feeding of the workpiece along the circumferential direction are realized along with rotation of the rotary table, and a plurality of potential safety hazards that workers need to bear dust pollution, scald hands at high temperature and easily abrade and cut thumb and forefinger when pinching the special-shaped workpiece by hands for grinding are avoided; the structural arrangement pattern of the annular belt and the rotary disc saves more space; when the workpiece is separated from the contact section, the workpiece automatically falls under the action of self gravity, so that the unloading time of the workpiece is greatly saved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of a turntable structure;
FIG. 4 is an enlarged view of a portion of the turntable;
shown in the figure:
1. the device comprises a rack, 2, an annular belt, 3, a third belt wheel, 4, an accommodating groove, 5, an arc-shaped block, 6, a rotary table, 7, a contact section, 8, a second belt wheel, 9, an adjusting seat, 10, a driving motor, 11, a tension wheel, 12, a fourth belt wheel, 13, a positioning groove, 14 and a workpiece.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
A feeding device for conveying a workpiece in a circumferential direction as shown in fig. 1 and 2 includes a turntable 6 and an endless belt 2 rotatably provided on a frame 1, and a driving device for driving the endless belt to rotate. The driving device of this embodiment includes driving motor 10 to and rotate the first band pulley, second band pulley 8, third band pulley 3 and the fourth band pulley 12 of installing in the frame and arranging in proper order along circumference, first band pulley and driving motor 10 transmission are connected, and first band pulley and fourth band pulley are located same height, and second band pulley and third band pulley are located same height, and the second band pulley is located the top of first band pulley. The inner side surface of the annular belt is provided with meshing teeth, and tooth grooves matched with the meshing teeth are formed in the wheel surfaces of the first belt wheel, the second belt wheel, the third belt wheel and the fourth belt wheel so that the surface of the annular belt slips relative to the belt wheels.
Be provided with take-up pulley 11 between first band pulley and the second band pulley, and the take-up pulley is tangent with the lateral surface of endless belt, and the take-up pulley rotates to be installed on adjusting seat 9, sets up the slot hole that extends along the tensioning direction on adjusting seat 9, adjusts the seat through passing the bolt and the frame rigid coupling of slot hole, behind the not hard up bolt, through the lateral position of adjustment take-up pulley, realize the regulation to endless belt tensioning degree.
The annular belt and the arc surface of the turntable are provided with a contact section 7, the annular belt positioned at the contact section drives the turntable to rotate through static friction, and a clamping position for a workpiece 14 is formed between the annular belt positioned at the contact section and the turntable. The turntable is located on the outer side of an annular formed by the annular belt, the outer side face of the annular belt located on the contact section is in contact with the turntable, and the turntable and the annular belt are located on the same vertical plane.
The contact section of this embodiment is located between third band pulley and the fourth band pulley, and contact section 7 is located the one side of the vertical central line of carousel, and the central angle that the contact section corresponds is 120 ~ 180.
In order to reduce the distance that the workpiece protrudes from the turntable along the radial direction, the circular arc surface of the turntable is provided with the accommodating groove 4 which runs through along the circumferential direction, and when the special-shaped workpiece clamping device is used, the accommodating groove provides a placing space for a non-clamping part and a non-to-be-processed part of the special-shaped workpiece.
In order to improve the positioning effect on the special-shaped workpieces, the circular arc surface of the turntable is provided with a plurality of positioning grooves 13 matched with the workpieces by the clamping parts, and the positioning grooves are uniformly distributed along the circumferential direction, so that the workpieces are consistent along the circumferential interval.
As an optimized scheme, in this embodiment, an opening which extends along the radial direction and is through in the thickness direction of the turntable is formed in the arc surface of the turntable, the arc block 5 is detachably and fixedly mounted in the opening, the arc surface of the arc block is flush with and concentric with the arc surface of the turntable, and the positioning groove 13 is formed in the arc surface of the arc block 5. The arc piece of this embodiment passes through bolt and carousel rigid coupling to convenient dismantlement and installation improve change efficiency.
The feeding method using the feeding device of the embodiment comprises the following steps:
the grinding disc of the grinding equipment is arranged at a position corresponding to the moving track of the to-be-ground surface of the special-shaped workpiece, when the workpiece passes through the grinding disc, the workpiece is ground, specifically, the special-shaped workpiece is placed into the grinding disc from the upper end of a contact section, the to-be-processed surface of the workpiece extends out towards the side of the grinding disc, the workpiece is clamped by using an annular belt and a turntable, the annular belt, the workpiece and the turntable are relatively fixed in the contact section, the to-be-ground surface of the workpiece passes through the grinding disc along with the rotation of the turntable, in the integral moving process of the workpiece, the grinding operation is realized, after the special-shaped workpiece is separated from the grinding disc, the special-shaped workpiece continuously moves along with the turntable to be separated from the contact section, and the workpiece automatically drops under the action of self weight.
Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.
Claims (11)
1. The utility model provides a carry material feeding unit of special-shaped workpiece along circumference which characterized in that: the clamping device comprises a rotary table (6) and an annular belt (2) which are rotationally arranged on a rack (1), and a driving device for driving the annular belt to rotate, wherein the annular belt and the arc surface of the rotary table are provided with a contact section (7), the annular belt positioned at the contact section drives the rotary table to rotate through static friction force, and a clamping position for a workpiece (14) is formed between the annular belt positioned at the contact section and the rotary table.
2. The feeding device for conveying the special-shaped workpieces along the circumferential direction as claimed in claim 1, wherein: the arc surface of the rotary disc is provided with a containing groove (4) which is through along the circumferential direction.
3. The feeding device for conveying the special-shaped workpieces along the circumferential direction as claimed in claim 1, wherein: the arc surface of the rotary table is provided with a plurality of positioning grooves (13) matched with the clamped parts of the workpieces.
4. The feeding device for conveying the special-shaped workpieces along the circumferential direction as claimed in claim 3, wherein: all the positioning grooves are uniformly distributed along the circumferential direction.
5. The feeding device for conveying the special-shaped workpieces along the circumferential direction as claimed in claim 3, wherein: the arc surface of the rotary table is provided with an opening which extends along the radial direction and is through along the thickness direction of the rotary table, an arc block (5) is fixedly and detachably arranged in the opening, the arc surface of the arc block is flush and concentric with the arc surface of the rotary table, and the positioning groove (13) is arranged on the arc surface of the arc block (5).
6. The feeding device for conveying the special-shaped workpieces along the circumferential direction as claimed in claim 1, wherein: the turntable is positioned on the outer side of the ring formed by the annular belt, and the outer side surface of the annular belt positioned on the contact section is contacted with the turntable.
7. The feeding device for conveying the special-shaped workpieces along the circumferential direction as claimed in claim 1, wherein: the contact section (7) is positioned on one side of the vertical center line of the turntable, and the corresponding central angle of the contact section is 120-180 degrees.
8. The feeding device for conveying the special-shaped workpieces along the circumferential direction as claimed in claim 1, wherein: the driving device comprises a driving motor (10), a first belt wheel, a second belt wheel (8), a third belt wheel (3) and a fourth belt wheel (12), wherein the first belt wheel, the second belt wheel, the third belt wheel and the fourth belt wheel are rotatably installed on the rack and sequentially arranged along the circumferential direction, the first belt wheel is in transmission connection with the driving motor (10), and the contact section is located between the third belt wheel and the fourth belt wheel.
9. The feeding device for conveying the special-shaped workpieces along the circumferential direction as claimed in claim 8, wherein: a tensioning wheel (11) is arranged between the first belt wheel and the second belt wheel and is tangent to the outer side face of the annular belt, the tensioning wheel is rotatably installed on an adjusting seat (9), a long hole extending in the tensioning direction is formed in the adjusting seat (9), and the adjusting seat is fixedly connected with the rack through a bolt penetrating through the long hole.
10. The feeding device for conveying the special-shaped workpieces along the circumferential direction as claimed in claim 8, wherein: the inner side surface of the annular belt is provided with meshing teeth, and at least one belt wheel surface of the first belt wheel, the second belt wheel, the third belt wheel and the fourth belt wheel is provided with tooth grooves matched with the meshing teeth.
11. A feeding method using the feeding device according to any one of claims 1 to 10, characterized in that: putting the special-shaped workpiece into the contact section from the upper end of the contact section, enabling the surface to be processed of the workpiece to extend out towards the side where the grinding disc is located, clamping the workpiece by utilizing the annular belt and the rotary disc, and relatively fixing the annular belt, the workpiece and the rotary disc in the contact section;
along with the rotation of the turntable, the surface to be ground of the workpiece passes through the grinding disc, and the grinding operation is realized in the integral moving process of the workpiece;
after the special-shaped workpiece is separated from the grinding disc, when the special-shaped workpiece continuously moves to a contact separation section along with the turntable, the workpiece automatically falls under the action of self weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210174546.3A CN114684548A (en) | 2022-02-25 | 2022-02-25 | Feeding device and feeding method for conveying special-shaped workpieces in circumferential direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210174546.3A CN114684548A (en) | 2022-02-25 | 2022-02-25 | Feeding device and feeding method for conveying special-shaped workpieces in circumferential direction |
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| Publication Number | Publication Date |
|---|---|
| CN114684548A true CN114684548A (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210174546.3A Pending CN114684548A (en) | 2022-02-25 | 2022-02-25 | Feeding device and feeding method for conveying special-shaped workpieces in circumferential direction |
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| CN (1) | CN114684548A (en) |
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| CN101450454A (en) * | 2007-11-28 | 2009-06-10 | 贵州西南工具(集团)有限公司 | Continuous double-side grinding method and device of sheet parts |
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| CN104608021A (en) * | 2014-12-30 | 2015-05-13 | 杭州兴发弹簧有限公司 | Horizontal type high-speed double-end-face spring grinding machine |
| CN204621606U (en) * | 2015-04-07 | 2015-09-09 | 浙江金泰实业发展有限公司 | The steel pipe support of a kind of modified form bearing part cutting feed machine pah |
| CN209223786U (en) * | 2018-12-08 | 2019-08-09 | 奥特凯姆（中国）汽车部件有限公司 | A kind of New surface grinding machine |
| CN211051799U (en) * | 2019-11-25 | 2020-07-21 | 江西振坤实业有限公司 | Device for producing and processing special-performance color steel plates |
| CN211966955U (en) * | 2019-09-10 | 2020-11-20 | 宁波鑫精华轴业有限公司 | Sphere grinding device for automatic seat shaft of automobile |
| CN112846980A (en) * | 2021-02-08 | 2021-05-28 | 中稀依诺威(山东)磁性材料有限公司 | Rotating wheel type double-side grinding feeding device with clamp |
| CN214086280U (en) * | 2020-10-15 | 2021-08-31 | 厦门攸信信息技术有限公司 | Rotary feeding device |
| CN113732789A (en) * | 2021-09-15 | 2021-12-03 | 安徽信息工程学院 | Workpiece transmission mechanism for numerical control machine tool |
-
2022
- 2022-02-25 CN CN202210174546.3A patent/CN114684548A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101450454A (en) * | 2007-11-28 | 2009-06-10 | 贵州西南工具(集团)有限公司 | Continuous double-side grinding method and device of sheet parts |
| CN102941516A (en) * | 2012-12-11 | 2013-02-27 | 何起高 | Glassware port grinding machine |
| CN103640872A (en) * | 2013-11-25 | 2014-03-19 | 重庆市璧山爱华有限责任公司 | Feeding device with scraping plate |
| CN104608021A (en) * | 2014-12-30 | 2015-05-13 | 杭州兴发弹簧有限公司 | Horizontal type high-speed double-end-face spring grinding machine |
| CN204621606U (en) * | 2015-04-07 | 2015-09-09 | 浙江金泰实业发展有限公司 | The steel pipe support of a kind of modified form bearing part cutting feed machine pah |
| CN209223786U (en) * | 2018-12-08 | 2019-08-09 | 奥特凯姆（中国）汽车部件有限公司 | A kind of New surface grinding machine |
| CN211966955U (en) * | 2019-09-10 | 2020-11-20 | 宁波鑫精华轴业有限公司 | Sphere grinding device for automatic seat shaft of automobile |
| CN211051799U (en) * | 2019-11-25 | 2020-07-21 | 江西振坤实业有限公司 | Device for producing and processing special-performance color steel plates |
| CN214086280U (en) * | 2020-10-15 | 2021-08-31 | 厦门攸信信息技术有限公司 | Rotary feeding device |
| CN112846980A (en) * | 2021-02-08 | 2021-05-28 | 中稀依诺威(山东)磁性材料有限公司 | Rotating wheel type double-side grinding feeding device with clamp |
| CN113732789A (en) * | 2021-09-15 | 2021-12-03 | 安徽信息工程学院 | Workpiece transmission mechanism for numerical control machine tool |
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