CN110774794A - Bill perforating device is used in international trade practice - Google Patents
Bill perforating device is used in international trade practice Download PDFInfo
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- CN110774794A CN110774794A CN201911126851.XA CN201911126851A CN110774794A CN 110774794 A CN110774794 A CN 110774794A CN 201911126851 A CN201911126851 A CN 201911126851A CN 110774794 A CN110774794 A CN 110774794A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42B—PERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES OR SIGNATURES OR PERMANENTLY ATTACHING OBJECTS THERETO
- B42B5/00—Permanently attaching together sheets, quires or signatures otherwise than by stitching
- B42B5/02—Permanently attaching together sheets, quires or signatures otherwise than by stitching by eyelets
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Abstract
The utility model provides a bill perforating device for international trade practice, the on-line screen storage device comprises a base, the top of base is equipped with the box body, the left and right sides of box body is equipped with the stand with base fixed connection respectively, the periphery of stand suit sleeve pipe respectively, the sleeve pipe only can slide from top to bottom along the stand that corresponds, the sleeve pipe respectively with box body fixed connection, square through hole is seted up to the centre on box body top side, movable mounting strip shaped plate in the square through hole, the side of strip shaped plate respectively with square through hole's lateral wall sliding contact cooperation, first bar tooth's socket is seted up respectively in the rear side and the left side of strip shaped plate, the rear side of strip shaped plate is equipped with the cross axle. The bill punching device is simple in structure and ingenious in conception, can automatically clamp bills by the clamping device when the bill punching device is opened, enables the bill punching operation to be more convenient, can automatically adjust the clamping device according to the thickness of the bills, enables the clamping force born by the bills with different thicknesses to be the same, can meet market demands, and is suitable for popularization.
Description
Technical Field
The invention belongs to the field of bill punching devices, and particularly relates to a bill punching device for international trade practice.
Background
Present bill perforating device generally is equipped with clamping device and perforating device, need use clamping device to press from both sides the bill tight when punching, then punches, and the operation is complicated, and because the clamp force is different when punching with the bill of different thickness, leads to the bill to press from both sides the tight easy off tracking that punches of pine, and the bill presss from both sides tight easily and hurts the bill fold, can't satisfy the actual demand, so, we invented a bill perforating device for international trade practice.
Disclosure of Invention
The invention provides a bill punching device for international trade practice, which is used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme:
a bill punching device for international trade practice comprises a base, wherein a box body is arranged above the base, stand columns fixedly connected with the base are respectively arranged on the left side and the right side of the box body, sleeves are respectively sleeved on the peripheries of the stand columns, the sleeves can only slide up and down along the corresponding stand columns, the sleeves are respectively fixedly connected with the box body, a square through hole is formed in the middle of the top side of the box body, a strip-shaped plate is movably mounted in the square through hole, the side surfaces of the strip-shaped plate are respectively in sliding contact fit with the side walls of the square through hole, a first strip-shaped tooth groove is respectively formed in the rear side and the left side of the strip-shaped plate, a transverse shaft is arranged on the rear side of the strip-shaped plate, one end of the transverse shaft is fixedly connected with the base through a supporting rod, a first gear is mounted on the bearing; the top side of the box body is provided with a left insertion hole and a right insertion hole, vertical rods are movably arranged in the insertion holes respectively, the periphery of each vertical rod is in sliding contact fit with the inner periphery of the insertion hole, the upper end of each vertical rod is hinged with one end of a connecting rod respectively, the other end of each connecting rod is hinged with one end of the periphery of a spring rod respectively, the other end of each spring rod is fixedly connected with the box body respectively, one end of each spring rod on the left side is fixedly connected with the rear end of a short shaft, the periphery of each short shaft is rotatably provided with a second gear through a damping bearing, the second gear can be meshed and matched with a first strip-shaped tooth socket on the left side, one end of each spring rod on the right side is fixedly connected with one end of an insertion rod, the right side of a strip-shaped plate is provided with an insertion groove, the other end of each insertion rod is positioned in the insertion groove, the second through holes are respectively collinear with the central lines of the corresponding third through holes, the first through holes are respectively collinear with the central lines of the corresponding second through holes and the corresponding third through holes, the first through holes and the third through holes are respectively and movably provided with the perforated pipes, the perforated pipes can respectively move up and down along the corresponding first through holes, the corresponding second through holes and the corresponding third through holes, and the perforated pipes are respectively connected with the strip-shaped plates.
According to the bill punching device for international trade practice, the lower ends of the punching pipes are respectively provided with the annular blades.
According to the bill punching device for international trade practice, the punching pipe comprises a front half pipe and a rear half pipe, the contact surfaces of the front half pipe and the rear half pipe are in sliding contact fit, the front side and the right side of the inner wall of the box body are respectively provided with a strip-shaped sliding chute, the top side of each strip-shaped sliding chute is communicated with the outside of the box body, strip-shaped racks are respectively and movably installed in the strip-shaped sliding chutes, the side surfaces of the strip-shaped racks are respectively in sliding contact fit with the corresponding side surfaces of the strip-shaped sliding chutes, the front half pipe is respectively and fixedly connected with the strip-shaped racks on the front side through connecting rods, and the rear half pipe is respectively and fixedly connected with the strip; the front side of strip shaped plate sets up the second bar tooth's socket, the front side and the rear side of strip shaped plate lower extreme are equipped with the third gear respectively, the outside of third gear is equipped with the fourth gear respectively, the third gear, the fourth gear rotates with the box body respectively and is connected, the second bar tooth's socket, the first bar tooth's socket of rear side cooperates with the third gear meshing that corresponds respectively, the third gear cooperates with the fourth gear meshing that corresponds respectively, the rear side of fourth gear is the front side of the coaxial semi-circular gear of fixed connection respectively, semi-circular gear cooperates with the bar rack meshing that corresponds respectively.
According to the bill punching device for international trade practice, the rubber ring sleeved on the periphery of the perforated pipe is fixedly installed at the bottom side of the strip-shaped plate, and the inner side of the rubber ring is in close contact fit with the outer side of the perforated pipe.
According to the bill perforating device for international trade practice, the inner peripheries of the fourth gear and the third gear are respectively in bearing connection with the outer periphery of the rotating shaft, and the rotating shaft is respectively and fixedly connected with the box body.
According to the bill punching device for international trade practice, coaxial blind holes are respectively formed in the top side of the base corresponding to the second through holes.
The invention has the advantages that: the bill punching device is simple in structure and ingenious in conception, can automatically clamp bills by the clamping device when the bill punching device is opened, enables the bill punching operation to be more convenient, can automatically adjust the clamping device according to the thickness of the bills, enables the clamping force born by the bills with different thicknesses to be the same, can meet market demands, and is suitable for popularization. When the invention is used, the tidied bills are put between the base and the pressing plate, the punching positions of the bills are aligned with the second through holes, then the upper end of the pressing rod is pulled forwards, the pressing rod is provided with a first gear which rotates along the axis of the transverse shaft, the first gear drives the strip-shaped plate to move downwards through the strip-shaped tooth grooves on the rear side, the strip-shaped plate drives the box body to move downwards, the box body drives the sleeve to move downwards respectively along the corresponding upright posts, when the bottom side of the pressing plate is contacted and matched with the bills, the bills generate upward resistance to the pressing plate, the vertical rods respectively move downwards along the corresponding jacks, the vertical rods respectively drive the movable rods of the corresponding spring rods to move rightwards through the connecting rods, the spring rods start to be stretched or compressed until the second gear is meshed and matched with the strip-shaped tooth grooves on the left side, simultaneously the other ends of the inserting rods are pulled out from the slots, at, and can keep this clamp force, pull the upper end of depression bar forward along with continuing, the bar shaped plate continues the downstream, the bar shaped plate drives second gear clockwise rotation through left bar tooth's socket, the box body no longer continues the downstream, the bar shaped plate drives the perforated pipe downstream this moment, the lower extreme of perforated pipe passes the second through-hole that corresponds and begins to punch on the bill, after punching, promote the upper end of depression bar backward, the bar shaped plate rebound, because the unable anticlockwise rotation of second gear, the bar shaped plate drives the box body, clamp plate rebound, the movable rod of spring beam moves left respectively and resets, the separation of second gear and the bar tooth's socket that corresponds, the bar shaped plate is along square through hole rebound, the other end to the inserted bar reinserts slot.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1; FIG. 3 is an enlarged view of section I of FIG. 1; fig. 4 is a partial enlarged view of ii of fig. 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A bill perforating device for international trade practice comprises a base 1, a box body 2 is arranged above the base 1, stand columns 3 fixedly connected with the base are respectively arranged on the left side and the right side of the box body 2, sleeves 4 are respectively sleeved on the peripheries of the stand columns 3, the sleeves 4 can only slide up and down along the corresponding stand columns 3, the sleeves 4 are respectively fixedly connected with the box body 2, a square through hole 5 is formed in the middle of the top side of the box body 2, a strip-shaped plate 6 is movably arranged in the square through hole 5, the side surfaces of the strip-shaped plate 6 are respectively in sliding contact fit with the side walls of the square through hole 5, a first strip-shaped tooth socket 7 is respectively formed on the rear side and the left side of the strip-shaped plate 6, a transverse shaft 8 is arranged on the rear side of the strip-shaped plate 6, one end of the transverse shaft 8 is fixedly connected with the base 1 through a supporting rod 9, a first gear 10 is, the right side of the first gear 10 is fixedly connected with the lower end of a pressure lever 11; the top side of the box body 2 is provided with a left insertion hole 12 and a right insertion hole 12, a vertical rod 13 is movably arranged in the insertion holes 12 respectively, the periphery of the vertical rod 13 is in sliding contact fit with the inner periphery of the insertion holes 12, the upper end of the vertical rod 13 is hinged with one end of a connecting rod 14 respectively, the other end of the connecting rod 14 is hinged with one end of the periphery of a spring rod 15 respectively, the other end of the spring rod 15 is fixedly connected with the box body 2 respectively, one end of the spring rod 15 on the left side is fixedly connected with the rear end of a short shaft 16, the periphery of the short shaft 16 is rotatably provided with a second gear 17 through a damping bearing, the second gear 17 can be meshed and matched with a first strip-shaped tooth groove 7 on the left side, one end of the spring rod 15 on the right side is fixedly connected with one end of an insertion rod 18, the right side of the strip-shaped plate 6 is, a row of second through holes 22 are formed in the bottom side of the pressing plate 20, third through holes 23 are formed in the bottom side and the top side of the box body 2 corresponding to the second through holes 22 respectively, the second through holes 22 are collinear with the center lines of the corresponding third through holes 23 respectively, the first through holes 21 are collinear with the center lines of the corresponding second through holes 22 and the corresponding third through holes 23 respectively, perforated pipes 24 are movably mounted in the first through holes 21 and the third through holes 23 respectively, the perforated pipes 24 can move up and down along the corresponding first through holes 21, the second through holes 22 and the third through holes 23 respectively, and the perforated pipes 24 are connected with the strip-shaped plates 6 respectively. The bill punching device is simple in structure and ingenious in conception, can automatically clamp bills by the clamping device when the bill punching device is opened, enables the bill punching operation to be more convenient, can automatically adjust the clamping device according to the thickness of the bills, enables the clamping force born by the bills with different thicknesses to be the same, can meet market demands, and is suitable for popularization. When the invention is used, the arranged bills are put between the base 1 and the pressing plate 20, the punching positions of the bills are aligned with the second through holes 22, then the upper end of the pressing rod 11 is pulled forwards, the pressing rod 11 with the first gear 10 rotates along the axis of the transverse shaft 8, the first gear 10 drives the strip-shaped plate 6 to move downwards through the strip-shaped tooth socket 7 at the rear side, the strip-shaped plate 6 drives the box body 2 to move downwards, the box body 2 drives the sleeves 4 to move downwards respectively along the corresponding upright posts 3, when the bottom side of the pressing plate 20 is in contact fit with the bills, the bills generate upward resistance to the pressing plate 20 and continue to move downwards along with the box body 2, the vertical rods 13 respectively move upwards along the corresponding jacks 12, the vertical rods 13 respectively drive the movable rods of the corresponding spring rods 15 to move right through the connecting rods 14, the spring rods 15 start to be stretched or compressed until the second gear 17 is in mesh fit with the strip-shaped tooth socket 7 at the left side, and simultaneously, at the moment, the clamping force of the pressing plate 20 on the bills reaches the maximum value, the clamping force can be kept, the strip-shaped plate 6 continues to move downwards along with the forward pulling of the upper end of the pressing rod 11, the strip-shaped plate 6 drives the second gear 17 to rotate clockwise through the left strip-shaped tooth socket 7, the box body 2 does not continue to move downwards any more, the strip-shaped plate 6 drives the perforated pipe 24 to move downwards, the lower end of the perforated pipe 24 penetrates through the corresponding second through hole 22 to start to punch holes on the bills, after the punching is finished, the upper end of the pressing rod 11 is pushed backwards, and the strip-shaped plate 6 moves, because the unable anticlockwise rotation of second gear 17, strip shaped plate 6 drives box body 2, clamp plate 20 rebound, and the movable rod of spring lever 15 moves left respectively and resets, and second gear 17 and the separation of the bar tooth's socket 7 that corresponds, strip shaped plate 6 move upwards along square through hole 5, insert slot 19 again to the other end of inserted bar 18 in.
Specifically, as shown in the drawings, the perforated pipes 24 of the present embodiment are provided with annular blades at their lower ends, respectively. The lower end of the perforating pipe 24 can more easily penetrate through the punched bill, so that the perforating is more labor-saving.
Specifically, as shown in the figure, the perforated pipe 24 according to the embodiment includes a front half pipe 241 and a rear half pipe 242, contact surfaces of the front half pipe 241 and the rear half pipe 242 are in sliding contact and fit, the front side and the right side of the inner wall of the box body 2 are respectively provided with a bar-shaped sliding groove 25, the top side of the bar-shaped sliding groove 25 is communicated with the outside of the box body 2, a bar-shaped rack 26 is respectively movably installed in the bar-shaped sliding groove 25, the side surface of the bar-shaped rack 26 is respectively in sliding contact and fit with the side surface corresponding to the bar-shaped sliding groove 25, the frictional resistance formed by the bar-shaped sliding groove 25 on the bar-shaped rack 26 is greater than the gravity borne by the bar-shaped rack 26, the front half pipe 241 is respectively fixedly connected with the bar-shaped rack 26 at; the front side of the strip-shaped plate 6 is provided with a second strip-shaped toothed groove 28, the front side and the rear side of the lower end of the strip-shaped plate 6 are respectively provided with a third gear 29, the outer side of the third gear 29 is respectively provided with a fourth gear 30, the third gear 29 and the fourth gear 30 are respectively in rotating connection with the box body 2, the second strip-shaped toothed groove 28 and the first strip-shaped toothed groove 7 of the rear side are respectively in meshing fit with the corresponding third gear 29, the third gear 29 is respectively in meshing fit with the corresponding fourth gear 30, the rear side of the fourth gear 30 is respectively fixedly connected with the front side of a coaxial semicircular gear 31, and the semicircular gear 31 is respectively in meshing fit with the corresponding strip-shaped rack 26. When the strip-shaped plate 6 moves downwards, the second strip-shaped tooth grooves 28 and the first strip-shaped tooth grooves 7 on the rear side respectively drive the corresponding third gears 29 to rotate, the third gears 29 respectively drive the semicircular gears 31 to rotate through the corresponding fourth gears 30, when the semicircular gears 31 on the rear side are meshed and matched with the strip-shaped racks 26 on the rear side, the semicircular gears 31 on the front side are separated from the strip-shaped racks 26 on the front side, on the contrary, when the semicircular gears 31 on the rear side are separated from the strip-shaped racks 2 on the rear side, the semicircular gears 31 on the front side are meshed and matched with the strip-shaped racks 26 on the front side, so that the strip-shaped racks 26 drive the front half pipe 241 and the rear half pipe 242 to move downwards in a crossed manner through the connecting rods 27, when the front half pipe 241 moves downwards, the rear half pipe 242 stops moving downwards, on the contrary, when the rear half pipe 242 moves downwards, the front half pipe 241 stops moving downwards, thereby reducing the contact area between the lower end of the punching pipe 24, the punching is more labor-saving; when the strip-shaped plate 6 moves upwards, because the gravity borne by the strip-shaped rack 26 is smaller than the frictional resistance formed by the strip-shaped sliding groove 25 to the strip-shaped rack 26, the processes can be performed in reverse order, the front half pipe 241 and the rear half pipe 242 move upwards in a crossed manner, and the paper scraps in the front half pipe 241 and the rear half pipe 242 can be discharged conveniently.
Further, as shown in the figure, the bottom side of the strip-shaped plate 6 according to the embodiment is fixedly provided with a rubber ring 32 sleeved on the periphery of the perforated pipe 24, and the inner side of the rubber ring 32 is in close contact fit with the outer side of the perforated pipe 24. When the front half pipe 241 or the rear half pipe 242 moves up and down relative to the strip-shaped plate 6, the outer peripheries of the front half pipe 241 and the rear half pipe 242 are in close sliding contact fit with the inner periphery of the rubber ring 32, so that the front half pipe 241 or the rear half pipe 242 is prevented from automatically moving upwards or downwards due to external force.
Furthermore, as shown in the drawings, the inner circumferences of the fourth gear 30 and the third gear 29 are respectively bearing-connected to the outer circumference of the rotating shaft 33, and the rotating shaft 33 is fixedly connected to the box body 2. The fourth gear 30 and the third gear 29 are respectively connected with the box body 2 through a rotating shaft 33 in a rotating way, and the fourth gear 30 and the third gear 29 can respectively rotate along the corresponding rotating shafts 33.
Furthermore, as shown in the drawings, the top side of the base 1 according to the present embodiment is provided with coaxial blind holes 34 corresponding to the second through holes 22. The lower ends of the perforated pipes 24 can be respectively inserted into the corresponding blind holes 34, so as to facilitate the complete cutting of the bills.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides a bill perforating device is used in international trade practice which characterized in that: comprises a base (1), a box body (2) is arranged above the base (1), the left side and the right side of the box body (2) are respectively provided with a stand column (3) fixedly connected with the base, the periphery of the stand column (3) is respectively sleeved with a sleeve (4), the sleeve (4) can only slide up and down along the corresponding stand column (3), the sleeve (4) is respectively fixedly connected with the box body (2), the middle of the top side of the box body (2) is provided with a square through hole (5), a strip-shaped plate (6) is movably arranged in the square through hole (5), the side surface of the strip-shaped plate (6) is respectively in sliding contact fit with the side wall of the square through hole (5), the rear side and the left side of the strip-shaped plate (6) are respectively provided with a first strip-shaped tooth socket (7), the rear side of the strip-shaped plate (6) is provided with a transverse shaft (8), one end of the transverse shaft (8) is fixedly connected with, the first gear (10) is meshed and matched with the first strip-shaped tooth groove (7) on the rear side, and the right side of the first gear (10) is fixedly connected with the lower end of the compression rod (11); two jacks (12) on the left and right are arranged on the top side of the box body (2), a vertical rod (13) is movably arranged in each jack (12), the periphery of each vertical rod (13) is in sliding contact fit with the inner periphery of each jack (12), the upper end of each vertical rod (13) is hinged with one end of a connecting rod (14), the other end of each connecting rod (14) is hinged with one end of the periphery of a spring rod (15), the other end of each spring rod (15) is fixedly connected with the box body (2), one end of each spring rod (15) on the left side is fixedly connected with the rear end of a short shaft (16), a second gear (17) is rotatably arranged on the periphery of each short shaft (16) through a damping bearing, the second gear (17) can be in meshing fit with a first strip-shaped tooth groove (7) on the left side, one end of each spring rod (15) on the right side is fixedly connected with one end of an inserting rod (18), a slot (19) is arranged on, the lower extreme fixed connection of montant (13) is the top side of same clamp plate (20), first through-hole (21) are seted up to the centre on bar shaped plate (6) top side, the bottom side of clamp plate (20) is seted up one row of several second through-hole (22), third through-hole (23) are seted up respectively to the bottom side of box body (2) and the corresponding second through-hole (22) in top side, second through-hole (22) respectively with corresponding third through-hole (23) central line collineation, first through-hole (21) respectively with corresponding second through-hole (22), third through-hole (23) central line collineation, movable mounting perforated pipe (24) respectively in first through-hole (21) and third through-hole (23), perforated pipe (24) can respectively follow corresponding first through-hole (21), second through-hole (22), third through-hole (23) reciprocate, perforated pipe (24) are connected with bar shaped plate (6) respectively.
2. The bill punching apparatus for international trade practice according to claim 1, wherein: the lower ends of the perforating pipes (24) are respectively provided with annular blades.
3. The bill punching apparatus for international trade practice according to claim 2, wherein: the punching pipe (24) comprises a front half pipe (241) and a rear half pipe (242), the contact surface of the front half pipe (241) and the contact surface of the rear half pipe (242) are in sliding contact fit, the front side and the right side of the inner wall of the box body (2) are respectively provided with a strip-shaped sliding chute (25), the top side of the strip-shaped sliding chute (25) is communicated with the outside of the box body (2), strip-shaped racks (26) are respectively and movably installed in the strip-shaped sliding chutes (25), the side surfaces of the strip-shaped racks (26) are respectively in sliding contact fit with the corresponding side surfaces of the strip-shaped sliding chutes (25), the front half pipe (241) is respectively and fixedly connected with the strip-shaped racks (26) on the front side through connecting rods (27), and the rear half pipe (242) is respectively and fixedly connected with the strip-; second strip-shaped tooth grooves (28) are formed in the front side of the strip-shaped plate (6), third gears (29) are arranged on the front side and the rear side of the lower end of the strip-shaped plate (6) respectively, fourth gears (30) are arranged on the outer sides of the third gears (29) respectively, the third gears (29) and the fourth gears (30) are connected with the box body (2) in a rotating mode respectively, the second strip-shaped tooth grooves (28), first strip-shaped tooth grooves (7) of the rear side are matched with the corresponding third gears (29) in a meshing mode respectively, the third gears (29) are matched with the corresponding fourth gears (30) in a meshing mode, the rear side of each fourth gear (30) is fixedly connected with the front side of a coaxial semicircular gear (31), and the semicircular gears (31) are matched with the corresponding strip-shaped racks (26) in a meshing mode respectively.
4. The bill punching apparatus for international trade practice according to claim 3, wherein: the bottom side of the strip-shaped plate (6) is fixedly provided with a rubber ring (32) sleeved on the periphery of the perforated pipe (24), and the inner side of the rubber ring (32) is in close contact fit with the outer side of the perforated pipe (24).
5. The bill punching apparatus for international trade practice according to claim 3, wherein: the inner peripheries of the fourth gear (30) and the third gear (29) are respectively in bearing connection with the outer periphery of the rotating shaft (33), and the rotating shaft (33) is respectively and fixedly connected with the box body (2).
6. The bill punching apparatus for international trade practice according to claim 1, wherein: the top side of the base (1) is provided with coaxial blind holes (34) corresponding to the second through holes (22) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911126851.XA CN110774794B (en) | 2019-11-18 | 2019-11-18 | Bill perforating device is used in international trade practice |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911126851.XA CN110774794B (en) | 2019-11-18 | 2019-11-18 | Bill perforating device is used in international trade practice |
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| CN110774794A true CN110774794A (en) | 2020-02-11 |
| CN110774794B CN110774794B (en) | 2020-07-28 |
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Cited By (4)
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| CN111942058A (en) * | 2020-07-10 | 2020-11-17 | 温州医科大学 | High-efficient binding means of library collection |
| CN112192970A (en) * | 2020-09-25 | 2021-01-08 | 温州商学院 | Automatic complete binding means of paper |
| CN112320448A (en) * | 2020-10-23 | 2021-02-05 | 温州职业技术学院 | High-efficient type test paper becomes bundle packing apparatus |
| CN112894989A (en) * | 2021-01-15 | 2021-06-04 | 浙江工业职业技术学院 | Bill arrangement drilling equipment for international trade |
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|---|---|---|---|---|
| CN111942058A (en) * | 2020-07-10 | 2020-11-17 | 温州医科大学 | High-efficient binding means of library collection |
| CN112192970A (en) * | 2020-09-25 | 2021-01-08 | 温州商学院 | Automatic complete binding means of paper |
| CN112192970B (en) * | 2020-09-25 | 2021-08-10 | 温州商学院 | Automatic complete binding means of paper |
| CN112320448A (en) * | 2020-10-23 | 2021-02-05 | 温州职业技术学院 | High-efficient type test paper becomes bundle packing apparatus |
| CN112894989A (en) * | 2021-01-15 | 2021-06-04 | 浙江工业职业技术学院 | Bill arrangement drilling equipment for international trade |
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| CN110774794B (en) | 2020-07-28 |
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