CN111890295A - String piece positioning and processing method - Google Patents
String piece positioning and processing method Download PDFInfo
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- CN111890295A CN111890295A CN202010783049.4A CN202010783049A CN111890295A CN 111890295 A CN111890295 A CN 111890295A CN 202010783049 A CN202010783049 A CN 202010783049A CN 111890295 A CN111890295 A CN 111890295A
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- bottom plate
- middle bone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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Abstract
S1, preparing the middle bone to be connected in series; s2, inserting the cylindrical pin into the vertical positioning hole of the string piece positioning and processing device in advance; s3, placing the middle bone between the two blocks, inserting the cylindrical pin into the pin hole on the middle bone, extending one end of the middle bone far away from the vertical positioning hole to the outer side of one end of the bottom plate far away from the vertical positioning hole, continuously sleeving the middle bone, and finally sleeving the bundling belt at the extended end of the middle bone; s4, when the pin inner diameter outward expansion mechanism rotating by 90 degrees is rotated to be right above the vertical positioning hole, a lifting driver of the pin inner diameter outward expansion mechanism drives the vertical lifting outward expansion rod to move downwards and expand the inner diameter of the upper end of the cylindrical pin, and the cylindrical pin is reset after being expanded; s5, the hanging ring is held to be pulled outwards, the middle pulling plate is pulled outwards at the moment, then the middle bone after the string of plates is taken down, and in this case, the operation can be carried out without waiting for the 90-degree reset of the pin inner diameter expanding mechanism, namely, the processing is finished.
Description
Technical Field
The invention belongs to the technical field of assembly, and particularly relates to a method for positioning and processing fan string pieces.
Background
The fan middle ribs are formed by connecting multiple middle ribs in series at one end.
In the process of serial connection, a serial pin is generally inserted into the middle bone manually, and after the serial pin is inserted into the middle bone, one end far away from the serial pin is bound manually, so that the serial pin can be conveniently connected with the large bone subsequently.
In this procedure, alignment of the middle bone is required, which is inefficient.
Secondly, the concatenation pin easily takes place the dropout phenomenon, influences the production equipment progress.
Disclosure of Invention
The present invention is directed to solving the above problems, and an object of the present invention is to provide a string piece positioning method that can solve the above problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
the stringing piece positioning and processing method utilizes the stringing piece positioning and processing device to position stringing pieces, and comprises the following steps:
s1, preparing the middle bones needing to be connected in series in advance;
s2, inserting the cylindrical pin into the vertical positioning hole of the string piece positioning and processing device in advance;
s3, placing the middle bone between the two blocks and inserting the cylindrical pin into the pin hole on the middle bone, because the length of the bottom plate is shorter than that of the middle bone, the end of the middle bone far away from the vertical positioning hole is extended to the outer side of the end of the bottom plate far away from the vertical positioning hole, and is continuously sleeved into the middle bone, and finally the bundling belt is sleeved into the extended end of the middle bone;
s4, when the pin inner diameter outward expansion mechanism rotating by 90 degrees is rotated to be right above the vertical positioning hole, a lifting driver of the pin inner diameter outward expansion mechanism drives the vertical lifting outward expansion rod to move downwards and expand the inner diameter of the upper end of the cylindrical pin, and the cylindrical pin is reset after being expanded;
s5, the hanging ring is held to be pulled outwards, the middle pulling plate is pulled outwards at the moment, then the middle bone after the string of plates is taken down, and in this case, the operation can be carried out without waiting for the 90-degree reset of the pin inner diameter expanding mechanism, namely, the processing is finished.
The string piece positioning and processing device comprises a bottom plate which is horizontally arranged, wherein a vertical positioning hole is formed in the center of one end of the upper surface of the bottom plate, two stop blocks are respectively arranged on two sides of the upper surface of the bottom plate, the two stop blocks are distributed in a splayed manner and are arranged in the centers of opposite ends of the two stop blocks, one end, close to the vertical positioning hole, of each stop block is connected to the bottom plate through a pin, two corner parts of one end, far away from the vertical positioning hole, of the upper surface of the bottom plate are respectively provided with a fixed block, the outer side surface of one end, far away from the pin, of one stop block is in contact with the inner side surface of the other stop block, the outer side surface;
the bottom plate includes the backing plate, is equipped with the side dog respectively and two blocks of side dogs are parallel to each other in backing plate upper surface both sides, is equipped with the inclined plane respectively and two slopes personally submit the splayed distribution at the internal surface upside in opposite directions of two blocks of side dogs, still includes middle drawer plate, and middle drawer plate is inserted between two blocks of side dogs and is equipped with respectively in the both sides of middle drawer plate with the anastomotic inclined plane one of inclined plane is connected with the reference block of inserting between two blocks of side dogs through translation actuating mechanism in bottom plate 1's upper surface one end, be equipped with respectively in the both sides of reference block with the anastomotic inclined plane two of inclined plane, still be equipped with 90 pivoted pin internal diameter on the reference block and expand the mechanism outward.
In the string piece positioning processing device, a first positioning blind hole is formed in the outer side face of one end, far away from the pin, of each stop block, a second positioning blind hole which is one-to-one opposite to the first positioning blind hole is formed in the inner side face of each stop block, one end of the spring is inserted into the first positioning blind hole, and the other end of the spring is inserted into the second positioning blind hole.
In the string piece positioning and processing device, a chamfer is arranged on the upper side of the inner side surface of each stop block.
In the stringing positioning and processing device, the inner side surfaces of the two stop blocks form a splayed shape.
In foretell cluster piece location processingequipment, the pin internal diameter expands the mechanism outward and includes the pivot of being connected with the reference block rotation, the pivot is vertical state, be connected with in the upper end of pivot with pivot circumference fixed connection's cantilever piece, the free end at the cantilever piece is equipped with the outer expander bar of vertical lift, the outer expander bar of vertical lift and lift driver are connected, be equipped with vertical guide structure between outer expander bar of vertical lift and the cantilever piece, the pot head is equipped with the spring part on the outer expander bar of vertical lift, the upper end of spring part is used in the outer convex part of the outer expander bar upper end of vertical lift, the lower extreme of spring part is used in cantilever piece upper surface.
In the string piece positioning processing device, one end of the middle drawing plate, which is far away from the reference block, is connected with a holding hanging ring.
Compared with the prior art, the invention has the advantages that:
through designing positioner, it not only can improve the packaging efficiency, but also can be convenient for assemble the middle bone of settlement quantity several.
The drawing plate is adopted to cooperate with the pin inner diameter external expansion mechanism, so that the whole middle bone after being fractured can be removed together and then taken down, and the pin can be prevented from falling off downwards.
Drawings
Fig. 1 is a schematic top view of a positioning and processing apparatus according to the present invention.
Fig. 2 is a schematic side view of the positioning and processing device according to the present invention.
Fig. 3 is a schematic diagram of a transverse cross-sectional structure of the stopper provided by the present invention.
Fig. 4 is a schematic diagram of a transverse cross-sectional structure of the bottom plate provided by the invention.
FIG. 5 is a schematic diagram of a cross-sectional structure of a reference plate according to the present invention.
FIG. 6 is a schematic structural view of an inner diameter expanding mechanism provided by the present invention.
Fig. 7 is a schematic view of the inner diameter expanding mechanism provided by the present invention in a 90 ° reset state.
Fig. 8 is a block diagram of a positioning processing method provided by the present invention.
In the figure, a bottom plate 1, a vertical positioning hole 2, a stop block 3, a chamfer 31, a pin 4, a fixing block 5 and a spring 6.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in figure 1 of the drawings, in which,
this cluster piece location processingequipment is including the bottom plate 1 that is the level setting.
As shown in fig. 1-3, a vertical positioning hole 2 is formed in the center of one end of the upper surface of a bottom plate 1, in order to facilitate the insertion of a middle bone, an oblique chamfer is formed at the top of the vertical positioning hole 2, two stoppers 3 are respectively arranged on two sides of the upper surface of the bottom plate 1, the two stoppers 3 are distributed in a splayed shape, the vertical positioning hole 2 is arranged in the centers of opposite ends of the two stoppers 3, one end of each stopper 3 close to the vertical positioning hole 2 is connected to the bottom plate 1 through a pin 4, a pin hole is formed in the lower surface of one end of each stopper 3 close to the vertical positioning hole 2, and the upper end of the pin 4 is inserted into the pin.
Next, the inner side surfaces of the two stoppers 3 are formed in a splayed shape so as to be suitable for the outer shape of the middle bone.
The clearance fit can adjust the relative distance angle of the block 3 so as to be suitable for middle bones with different widths.
Two corners of one end of the upper surface of the bottom plate 1, which are far away from the vertical positioning hole 2, are respectively provided with a fixing block 5, the fixing blocks 5 are fixed on the upper surface of the bottom plate 1 through wood tenons, and the two fixing blocks 5 are parallel to each other.
The fixing block may be made of wood.
One of the stop blocks 3 is far away from the outer side surface of one end of the pin 4 and is contacted with the inner side surface of one of the stop blocks 3, the other stop block 3 is far away from the outer side surface of one end of the pin 4 and is contacted with the inner side surface of the other stop block 3, and a spring 6 is arranged between the stop block 3 and the stop block 3.
Through the design of the spring, the middle bone implants with different widths can be formed, so that the application range is expanded.
The spring is a pressure spring and belongs to a commercial product.
Secondly, the springs on both sides are equal in number and symmetrically distributed.
The outer side face of one end, far away from the pin 4, of each stop block 3 is provided with a first positioning blind hole, the inner side face of each stop block 3 is provided with a plurality of second positioning blind holes one to one, the second positioning blind holes are opposite to the first positioning blind holes one to one, one end of a spring 6 is inserted into the first positioning blind holes, and the other end of the spring is inserted into the second positioning blind holes.
The design of location blind hole, it can avoid the spring to lose, simultaneously, guarantees the stability when the spring is compressed.
In order to facilitate the insertion of the middle bone, a chamfer 31 is provided on the upper side of the inner side of each block 3. The chamfer 31 is an oblique chamfer.
Specifically, as shown in fig. 1 and fig. 4 to 7, the base plate 1 of the present embodiment includes a tie plate 10, and the tie plate 10 is fixed to the equipment platform by bolts.
Two sides of the upper surface of the backing plate 10 are respectively provided with a side stop block 11, the two side stop blocks 11 are parallel to each other, the side stop blocks 11 are also fixed on the backing plate 10 through bolts, the stop block 3 is arranged on the upper surface of one side stop block 11 through the structure, and similarly, the other stop block 3 is arranged on the upper surface of the other side stop block 11.
The upper sides of the opposite inner surfaces of the two side blocking blocks 11 are respectively provided with an inclined surface 12, the two inclined surfaces 12 are distributed in a splayed shape, the device further comprises a middle drawing plate 13, the middle drawing plate 13 is inserted between the two side blocking blocks 11, two sides of the middle drawing plate 13 are respectively provided with an inclined surface I14 matched with the inclined surfaces, and the surface-to-surface matching can prevent the middle drawing plate 13 from being separated upwards, so that the stability of the whole structure is ensured.
One end of the upper surface of the bottom plate 1 is connected with a reference block 15 inserted between the two side stop blocks 11 through a translation driving mechanism, and in order to facilitate the drawing, one end of the middle drawing plate 13 far away from the reference block 15 is connected with a holding hanging ring 17. Further, the translation driving mechanism comprises an L-shaped extension block 18 fixed at one end of the upper surface of the bottom plate 1, a threaded rod 19 in threaded connection with the vertical part is arranged on the vertical part of the L-shaped extension block 18 in a penetrating manner, and the end part of the threaded rod 19 is in rotational connection with the reference block 15, for example, in rotational connection through a bearing.
Next, a lock spring 1a is fitted to a section of the threaded rod 19 near the cap end thereof, one end of the lock spring 1a acting on the vertical portion, and the other end of the lock spring 1a acting on the cap end. The positioning of the middle bone channeling pieces with different lengths can be realized through the translation driving mechanism.
Two inclined surfaces 16 matched with the inclined surfaces are respectively arranged on two sides of the reference block 15, and the structure matched with the inclined surfaces is adopted, so that the moving smoothness of the reference block 15 can be further improved, and the reference block 15 can be prevented from being separated upwards.
And a 90-degree rotating pin inner diameter expanding mechanism is also arranged on the reference block 15. Specifically, the pin internal diameter expands mechanism outward of this embodiment includes the pivot 70 of being connected with reference block 15 rotation, and the pivot is vertical state, and further, is equipped with the location blind hole at reference block 15 upper surface, is equipped with the flat bearing at the bottom of the hole of location blind hole, and the lower extreme of pivot 70 is sat at the flat bearing upper surface, overlaps at pivot 70 and is equipped with bearing spare, and bearing spare is installed in the blind hole of location, and it has guaranteed pivot pivoted smoothness and stability to foretell structure.
The upper end of the rotating shaft 70 is connected with a cantilever block 71 which is fixedly connected with the rotating shaft in the circumferential direction, the lower surface of the cantilever block 71 is provided with a rotating shaft blind hole, the inner wall of the rotating shaft blind hole is provided with an internal spline, the upper end of the rotating shaft 70 is provided with an external spline which is meshed with the internal spline, the cantilever block 71 is provided with a screw which is in threaded connection with a threaded hole at the upper end of the rotating shaft 70 in the lower end, and the circumferential fixing and the axial fixing can be realized by the.
A vertical lifting external expansion rod 72 is arranged at the suspension end of the cantilever block 71, the lower end of the vertical lifting external expansion rod 72 is provided with a conical tip so as to extend into the inner part of the upper end of the cylindrical pin, the vertical lifting external expansion rod 72 is connected with a lifting driver 75, the lifting driver 75 is an air cylinder, a vertical guide structure is arranged between the vertical lifting external expansion rod 72 and the cantilever block 71, furthermore, the vertical guide structure comprises a vertical guide hole arranged at the suspension end of the cantilever block 71 and a guide shaft sleeve arranged in the vertical guide hole, the vertical lifting external expansion rod 72 is inserted into the guide shaft sleeve, a spring piece 73 is sleeved at the upper end of the vertical lifting external expansion rod 72, the spring piece 73 provides a buffer for downward movement, the phenomenon that the lower end of the vertical lifting external expansion rod 72 quickly impacts the cylindrical pin to damage the cylindrical pin is avoided, the upper end of the spring piece 73 acts on an external protrusion 74 at the upper end of the vertical lifting external expansion rod 72, the lower end of the spring member 73 acts on the upper surface of the cantilever block 71.
The middle part of the rotating shaft 70 is sleeved with a first gear and a second gear meshed with the first gear, and the second gear is connected with a motor.
As shown in fig. 1 to 8, the method for positioning and processing the string of sheets comprises the following steps:
s1, preparing the middle bones needing to be connected in series in advance;
s2, inserting the cylindrical pin into the vertical positioning hole 2 in advance;
s3, placing the middle bone between the two stop blocks 3 and inserting the cylindrical pin into the pin hole on the middle bone, wherein the length of the bottom plate 1 is shorter than that of the middle bone, the end of the middle bone far away from the vertical positioning hole is extended to the outer side of the end of the bottom plate far away from the vertical positioning hole, the middle bone is continuously sleeved at the moment, and finally the binding belt is sleeved at the extended end of the middle bone;
s4, when the pin inner diameter outward expansion mechanism rotating by 90 degrees is rotated to be right above the vertical positioning hole 2, the lifting driver 75 of the pin inner diameter outward expansion mechanism drives the vertical lifting outward expansion rod 72 to move downwards and expand the inner diameter of the upper end of the cylindrical pin, and the cylindrical pin is reset after being expanded;
s5, two taking-out modes are provided:
firstly, when the pin inner diameter external expanding mechanism is reset by 90 degrees, the middle bone after the serial pieces is directly taken out upwards;
secondly, the holding hanging ring 17 is pulled outwards, the middle pulling plate 13 is pulled outwards at the moment, and then the middle ribs after stringing are taken off, so that the operation can be carried out without waiting for the 90-degree reset of the pin inner diameter expanding mechanism.
Furthermore, the upper side of the inner side surface of one of the blocks 3 is provided with scale marks for the overlying indication of the upper limit number of the middle bones, i.e. the assembly of an excessive number of the middle bones can be avoided.
Lower positioning steps (not shown in the figure) are respectively arranged on two sides of the upper surface of the base plate, and upper strip-shaped convex steps matched with the lower positioning steps are arranged on the inner side of the lower surface of the side stop block 11.
A restraining shoulder is provided on the upper side of the tip of the vertical lift expanding rod 72 for preventing the vertical lift expanding rod 72 from excessively moving downward.
Also, the elevating driver 75 is mounted on an L-shaped bracket, which is mounted on the boom block 71.
The upper surface of the side block 11 is flush with the upper surface of the middle drawing plate, and meanwhile, the upper surface of the reference block is flush with the upper surface of the side block 11.
And a positioning pin is arranged in the vertical positioning hole 2, and a cylindrical pin is sleeved on the positioning pin in advance to prevent the cylindrical pin from being inclined and broken. Further, the upper end face of the positioning pin is located below the upper end face of the cylindrical pin, and meanwhile, an avoiding taper hole is formed in the upper end face of the positioning pin, so that the cylindrical pin cannot be expanded in place due to the fact that the vertical lifting outward expansion rod 72 is in contact with the positioning pin.
An outer chamfer is arranged on the outer edge of the upper end of the positioning pin so as to facilitate the sleeving of the cylindrical pin.
Example two
The structure and principle of the present embodiment are basically the same as those of the first embodiment, and the different way is that: the middle bones to be connected in series are sequentially stacked between the two stop blocks 3, and the cylindrical pins are inserted after the middle bones are stacked by a set amount.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (3)
1. The string piece positioning and processing method comprises the steps of positioning string pieces by using a string piece positioning and processing device, wherein the string piece positioning and processing device comprises a horizontally arranged bottom plate, a vertical positioning hole is formed in the center of one end of the upper surface of the bottom plate, two stop blocks are respectively arranged on two sides of the upper surface of the bottom plate, the two stop blocks are distributed in a splayed manner and are arranged in the centers of opposite ends of the two stop blocks, one end, close to the vertical positioning hole, of each stop block is connected to the bottom plate through a pin, two corner parts of one end, far away from the vertical positioning hole, of the upper surface of the bottom plate are respectively provided with a fixed block, the outer side surface of one stop block, far away from the pin, is in contact with the inner side surface of one stop block, the outer side;
the bottom plate comprises a base plate, side blocking blocks are arranged on two sides of the upper surface of the base plate respectively, the two side blocking blocks are parallel to each other, inclined planes are arranged on the upper sides of the opposite inner surfaces of the two side blocking blocks respectively, the two inclined planes are distributed in a splayed shape, the bottom plate further comprises a middle drawing plate, the middle drawing plate is inserted between the two side blocking blocks, two sides of the middle drawing plate are respectively provided with a first inclined plane matched with the inclined planes, one end of the upper surface of the bottom plate 1 is connected with a reference block inserted between the two side blocking blocks through a translation driving mechanism, two sides of the reference block are respectively provided with a second inclined plane matched with the inclined planes, and the reference block is further provided with a 90-degree rotating pin inner diameter outward expansion mechanism, and the bottom plate is:
s1, preparing the middle bones needing to be connected in series in advance;
s2, inserting the cylindrical pin into the vertical positioning hole of the string piece positioning and processing device in advance;
s3, placing the middle bone between the two blocks and inserting the cylindrical pin into the pin hole on the middle bone, because the length of the bottom plate is shorter than that of the middle bone, the end of the middle bone far away from the vertical positioning hole is extended to the outer side of the end of the bottom plate far away from the vertical positioning hole, and is continuously sleeved into the middle bone, and finally the bundling belt is sleeved into the extended end of the middle bone;
s4, when the pin inner diameter outward expansion mechanism rotating by 90 degrees is rotated to be right above the vertical positioning hole, a lifting driver of the pin inner diameter outward expansion mechanism drives the vertical lifting outward expansion rod to move downwards and expand the inner diameter of the upper end of the cylindrical pin, and the cylindrical pin is reset after being expanded;
s5, the hanging ring is held to be pulled outwards, the middle pulling plate is pulled outwards at the moment, then the middle bone after the string of plates is taken down, and in this case, the operation can be carried out without waiting for the 90-degree reset of the pin inner diameter expanding mechanism, namely, the processing is finished.
2. The string piece positioning and processing method according to claim 1, wherein the pin inner diameter outward expansion mechanism comprises a rotating shaft rotatably connected with the reference block, the rotating shaft is in a vertical state, a cantilever block fixedly connected with the periphery of the rotating shaft is connected to the upper end of the rotating shaft, a vertical lifting outward expansion rod is arranged at a free end of the cantilever block and connected with a lifting driver, a vertical guide structure is arranged between the vertical lifting outward expansion rod and the cantilever block, a spring part is sleeved at the upper end of the vertical lifting outward expansion rod, the upper end of the spring part acts on an outward convex part at the upper end of the vertical lifting outward expansion rod, and the lower end of the spring part acts on the upper surface of the cantilever block.
3. The method of claim 1, wherein a holding ring is connected to the end of the intermediate pulling plate away from the reference block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010783049.4A CN111890295B (en) | 2020-08-06 | 2020-08-06 | String piece positioning processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010783049.4A CN111890295B (en) | 2020-08-06 | 2020-08-06 | String piece positioning processing method |
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| Publication Number | Publication Date |
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| CN111890295A true CN111890295A (en) | 2020-11-06 |
| CN111890295B CN111890295B (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010783049.4A Active CN111890295B (en) | 2020-08-06 | 2020-08-06 | String piece positioning processing method |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013034627A (en) * | 2011-08-05 | 2013-02-21 | Dainippon Printing Co Ltd | Folding fan |
| CN204354254U (en) * | 2014-10-20 | 2015-05-27 | 林道新 | Manufacture the process equipment of ossiculum |
| ES1151459U (en) * | 2016-01-27 | 2016-02-24 | Ángel PORRAS GARROTE | Classic motorized fan (Machine-translation by Google Translate, not legally binding) |
| CN105877052A (en) * | 2014-11-13 | 2016-08-24 | 苏州市凌云工艺扇厂 | Mandarin fan skeleton and overlapping method thereof |
| CN107307536A (en) * | 2017-07-28 | 2017-11-03 | 安吉全丰竹工艺品有限公司 | Fan riveting machine |
| KR200486271Y1 (en) * | 2017-01-17 | 2018-04-24 | 유근준 | the ribs of a fan |
| CN209579845U (en) * | 2018-12-06 | 2019-11-05 | 安吉亚新机械制造有限公司 | The big fixed mechanism in Gu Xi of fan |
| CN209579905U (en) * | 2018-12-06 | 2019-11-05 | 安吉亚新机械制造有限公司 | The horizontal drilling drift bolt integrated equipment of ribs of the fan |
-
2020
- 2020-08-06 CN CN202010783049.4A patent/CN111890295B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013034627A (en) * | 2011-08-05 | 2013-02-21 | Dainippon Printing Co Ltd | Folding fan |
| CN204354254U (en) * | 2014-10-20 | 2015-05-27 | 林道新 | Manufacture the process equipment of ossiculum |
| CN105877052A (en) * | 2014-11-13 | 2016-08-24 | 苏州市凌云工艺扇厂 | Mandarin fan skeleton and overlapping method thereof |
| ES1151459U (en) * | 2016-01-27 | 2016-02-24 | Ángel PORRAS GARROTE | Classic motorized fan (Machine-translation by Google Translate, not legally binding) |
| KR200486271Y1 (en) * | 2017-01-17 | 2018-04-24 | 유근준 | the ribs of a fan |
| CN107307536A (en) * | 2017-07-28 | 2017-11-03 | 安吉全丰竹工艺品有限公司 | Fan riveting machine |
| CN209579845U (en) * | 2018-12-06 | 2019-11-05 | 安吉亚新机械制造有限公司 | The big fixed mechanism in Gu Xi of fan |
| CN209579905U (en) * | 2018-12-06 | 2019-11-05 | 安吉亚新机械制造有限公司 | The horizontal drilling drift bolt integrated equipment of ribs of the fan |
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| CN111890295B (en) | 2022-05-24 |
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