CN114012819A - Mechanical perforating device for business administration - Google Patents

Mechanical perforating device for business administration Download PDF

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Publication number
CN114012819A
CN114012819A CN202111385233.4A CN202111385233A CN114012819A CN 114012819 A CN114012819 A CN 114012819A CN 202111385233 A CN202111385233 A CN 202111385233A CN 114012819 A CN114012819 A CN 114012819A
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CN
China
Prior art keywords
weight increasing
plate
placing box
increasing base
threaded
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Granted
Application number
CN202111385233.4A
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Chinese (zh)
Other versions
CN114012819B (en
Inventor
冯旺
晋岚岚
黄奇瑞
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Nanyang Institute of Technology
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Nanyang Institute of Technology
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Filing date
Publication date
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Priority to CN202111385233.4A priority Critical patent/CN114012819B/en
Publication of CN114012819A publication Critical patent/CN114012819A/en
Application granted granted Critical
Publication of CN114012819B publication Critical patent/CN114012819B/en
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Anticipated expiration legal-status Critical

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01Means for holding or positioning work
    • B26D7/02Means for holding or positioning work with clamping means
    • B26D7/025Means for holding or positioning work with clamping means acting upon planar surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/02Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • B26F1/14Punching tools; Punching dies

Abstract

The invention discloses a mechanical punching device for industrial and commercial management, which comprises: the end point of the cambered surface of the hemispherical entity is connected to the weight increasing base through a universal joint; the fixing plate is arranged on the plane of the hemisphere entity; the two connecting pieces are respectively arranged on the two opposite side surfaces of the fixed plate and are used for being detachably connected with the weight increasing base; the placing box is of a non-top and non-bottom cuboid structure, is arranged at the top of the fixing plate and is used for placing paper documents; the extruding device is used for extruding the paper documents; and the punching device is used for rotationally punching the paper document. According to the invention, the hemisphere entity is shaken left and right and front and back, so that the paper documents placed in the box above the hemisphere entity can be regulated; after the paper file rule, fix half ball entity through the connecting piece, make the paper file no longer rock, rethread extrusion device extrudees the paper file from the top, punches the paper file through punching device this moment, and its accuracy of punching is high, has improved the effect of punching.

Description

Mechanical perforating device for business administration
Technical Field
The invention relates to the field of business management equipment, in particular to a mechanical punching device for business management.
Background
In the work and business management work, staff need handle a large amount of paper documents every day, need adopt perforating device to punch on paper document when arrangement and binding to be convenient for file. At present, the punching device has an intelligent punching device with high cost, and also has a mechanical punching device with simple structure and single function.
However, when the existing mechanical punching device is used, the paper documents are irregular because the paper documents are easy to move in the placing process; and because the upper layer paper and the lower layer paper are not stressed in the pressing process of the punching punch, the paper document is easy to move during punching. In a word, the existing mechanical punching device causes irregular binding of paper documents and has poor punching effect.
Disclosure of Invention
The embodiment of the invention provides a mechanical punching device for industrial and commercial management, which can solve the problems in the prior art.
The embodiment of the invention provides a mechanical punching device for industrial and commercial management, which comprises:
a weight increasing base;
the end point of the cambered surface of the hemispherical entity is connected to the weight increasing base through a universal joint;
the fixing plate is arranged on the solid plane of the hemisphere;
the two connecting pieces are respectively arranged on the two opposite side surfaces of the fixed plate and are used for being detachably connected with the weight increasing base;
the placing box is of a non-top and non-bottom cuboid structure, is arranged at the top of the fixing plate and is used for placing paper documents;
the extruding device is arranged on the weight increasing base and is used for extruding the paper documents;
and the punching device is arranged on the weight increasing base and is used for rotationally punching the paper file.
Further, each of the connectors includes:
the connecting block is arranged on the side surface of the fixing plate, and a threaded hole is formed in the connecting block;
the threaded rod is sequentially screwed in the threaded hole and the threaded groove in the weight increasing base.
Furthermore, a punched hole is formed in the fixing plate and is located below the punching device;
the spring is arranged on the inner bottom surface of the punched hole, the free end of the spring is connected with a transverse plate, and when the spring is in a free state, the top surface of the transverse plate and the top surface of the fixing plate are located on the same plane.
Furthermore, two adjacent sides of the placing box are provided with pressing devices; the pressing device comprises:
the squeezing plate is arranged inside the placing box;
one end of the spring group is connected with the squeezing plate, and the other end of the spring group is connected with one inner side surface of the placing box;
the two pull ropes are respectively tied at the end parts of the two sides of the compacting plate, and the free end of the two pull ropes passes through the through hole on the placing box and is tied on one pull ring;
the pillar is arranged outside the placing box and close to the squeezing plate and on the top surface of the fixed plate, and a hook matched with the pull ring is arranged on the side surface of the pillar.
Further, the pressing device includes:
the extrusion plate is positioned above the placing box;
and the lifting device is arranged on the weight increasing base, is fixedly connected with the extrusion plate and is used for driving the extrusion plate to extrude the paper documents in the placing box.
Further, the lifting device includes:
the screw is rotatably arranged on the weight increasing base, and a thread sleeve is arranged on the screw in a threaded manner;
the guide rod is fixedly arranged on the weight increasing base, a sliding groove is formed in the side wall of the guide rod, a connecting rod is arranged in the sliding groove in a sliding mode, and the connecting rod is connected with the threaded sleeve;
one end of the L-shaped rod is connected with the center of the top surface of the extrusion plate, and the other end of the L-shaped rod is connected with the threaded sleeve.
Further, the lifting device further comprises:
the bottom of the fixing ring is fixed at the top of the guide rod, and an annular groove is formed in the top surface of the fixing ring;
the rotating ring is sleeved outside the fixing ring and is higher than the fixing ring; four rotating rods are arranged inside the rotating ring and are all connected to the screw rod;
the four arc-shaped blocks are respectively arranged on the four rotating rods, and the arc-shaped blocks are slidably arranged in the annular groove.
Further, each bottom of the arc-shaped blocks is provided with a ball.
Further, the punching apparatus includes:
the punch is positioned above the placing box;
and the rotary lifting device is arranged on the weight increasing base and used for driving the punch to rotate and move downwards to punch the paper documents in the placing box.
Further, the rotary lifting device includes:
the supporting rod is arranged on the weight increasing base;
the threaded cylinder is fixed on the side wall of the supporting rod through a connecting rod;
and one end of the rotating screw rod is connected with the punch, and the other end of the rotating screw rod is threaded on the threaded cylinder and is connected with the rotating handle.
The embodiment of the invention provides a mechanical punching device for industrial and commercial management, which has the following beneficial effects compared with the prior art:
according to the invention, the hemisphere entity is shaken left and right and front and back, so that the paper documents in the box above the hemisphere entity can be regular, the problem of irregular paper documents when the paper documents are placed is effectively avoided, and the efficiency is higher than that of manually arranging the paper documents, and the labor is saved; after the paper file rule, fix half ball entity through the connecting piece, make the paper file of placing the incasement no longer rock, rethread extrusion device extrudees the paper file from the top for the paper file has obtained effective location after the rule is handled, punches to the paper file through punching device this moment, and its accuracy of punching is high, has improved the effect of punching.
Drawings
Fig. 1 is a schematic front view of a mechanical punching device for business administration according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a rotating device according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a sliding device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a placing box according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1 to 4, an embodiment of the present invention provides a mechanical punching device for business administration, including: a weight increasing base 1; the end point of the cambered surface of the hemispherical entity 6 is connected to the weight increasing base 1 through a universal joint; the fixing plate 7 is arranged on the plane of the hemispherical entity 6; the two connecting pieces are respectively arranged on two opposite side surfaces of the fixed plate 7 and are used for being detachably connected with the weight increasing base 1; the placing box 8 (the front and back side walls of which are also provided with hand rings for facilitating forward and backward shaking of paper documents) is of a non-top and non-bottom cuboid structure, is arranged at the top of the fixing plate 7 and is used for placing the paper documents; the extruding device is arranged on the weight increasing base 1 and is used for extruding the paper documents; and the punching device is arranged on the weight increasing base 1 and is used for rotationally punching the paper file.
In an embodiment of the present invention, each of the connecting members includes: the connecting block 71 is arranged on the side surface of the fixing plate 7, and a threaded hole is formed in the connecting block 71; the threaded rod 72 is sequentially screwed into the threaded hole and the threaded groove on the weight increasing base 1. Thereby realized dismantling the connection, do not connect when rocking collecting box 8 promptly, connect when punching.
In order to improve the punching effect, a punching hole 73 is formed in the fixing plate 7, and the punching hole 73 is positioned below the punching device; in addition, in order to clean paper scraps in the punched hole 73, a spring 73-1 is arranged on the inner bottom surface of the punched hole 73, a transverse plate 73-2 is connected to the free end of the spring 73-1, and when the spring 73-1 is in a free state, the top surface of the transverse plate 73-2 and the top surface of the fixing plate 7 are in the same plane. Namely, when the punching is finished, the punch presses the transverse plate 73-2 to be positioned at the bottom of the punched hole 73, and when the punch is lifted, the transverse plate 73-2 is driven to bounce upwards under the action of the spring 73-1, and paper scraps on the transverse plate are popped out of the punched hole 73, so that the paper scraps can be conveniently cleaned.
In order to improve the location effect of paper file, all be equipped with closing device in the adjacent both sides of placing case 8, specifically, closing device includes: a squeezing plate 81 provided inside the placing box 8; one end of the spring group 82 is connected with the squeezing plate 81, and the other end is connected with one inner side surface of the placing box 8; two pull ropes 83 are respectively tied at the end parts of the two sides of the compacting plate 81, the free ends of the pull ropes pass through the through holes on the placing box 8 and are tied on a pull ring 84; and the support column 85 is arranged on the top surface of the fixed plate 7, which is arranged outside the placing box 8 and close to the squeezing plate 81, and the side surface of the support column 85 is provided with a hook 85-1 matched with the pull ring 84. When in use, the squeezing plate 81 is pulled to be attached to the side wall of the placing box 8, and the pull ring 84 is sleeved on the hook 85-1; then, the paper documents are shaken back and forth and left and right to be aligned regularly; finally, the pull ring 84 is released, so that the compacting plate 81 is tightly contacted with the paper document to realize effective positioning.
The extrusion apparatus in an embodiment of the present invention includes: a pressing plate 95 located above the placing box 8; and the lifting device is arranged on the weight increasing base 1, is fixedly connected with the extrusion plate 95 and is used for driving the extrusion plate 95 to extrude the paper documents in the placing box 8. I.e. the paper document can be positioned effectively from above.
The above-mentioned elevating gear includes: the screw 91 is rotatably arranged on the weight increasing base 1, and a threaded sleeve 93 is arranged on the screw 91 in a threaded manner; the guide rod 92 is fixedly arranged on the weight increasing base 1, a sliding groove is formed in the side wall of the guide rod 92, a connecting rod 96 is arranged in the sliding groove in a sliding mode, and the connecting rod 96 is connected with the threaded sleeve 93; an L-shaped rod 94 has one end connected to the center of the top surface of the squeeze plate 95 and the other end connected to the screw boss 93.
Preferably, since a certain force of pressure is required when the paper document is squeezed, the paper document is squeezed conveniently and laborsavingly, and the lifting device provided by the embodiment of the invention further comprises: the bottom of the fixing ring 3 is fixed on the top of the guide rod 92, and the top surface of the fixing ring 3 is provided with an annular groove 31; the rotating ring 4 (the outer part of which is provided with a rubber sleeve with grains) is sleeved outside the fixed ring 3, and the rotating ring 4 is higher than the fixed ring 3; four rotating rods 41 are arranged inside the rotating ring 4, and the four rotating rods 41 are all connected to the screw 91; the four arc blocks 42 are respectively arranged on the four rotating rods 41, and the arc blocks 42 are slidably arranged in the annular groove 31. When in use, the rotation of the screw 91 can be realized by rotating the rotating ring 4.
In order to rotate the screw 91 more easily and smoothly, a ball is disposed at the bottom of each arc-shaped block 42.
The punching device in the embodiment of the invention comprises: a punch 53 located above the placing box 8; and the rotary lifting device is arranged on the weight increasing base 1 and used for driving the punch 53 to rotate and move downwards to punch the paper documents in the placing box 8.
Specifically, the above rotary lifting device includes: the supporting rod 2 is arranged on the weight increasing base 1; the threaded cylinder 51 is fixed on the side wall of the support rod 2 through a connecting rod 54; the rotary screw 52 has one end connected to the punch 53 and the other end threaded through the threaded cylinder 51 and connected to the rotary handle.
The working principle is as follows: firstly, placing a paper document in a collecting box, and enabling the paper document to be regular by shaking the hemispherical entity back and forth and left and right; then, the paper document is squeezed and positioned back and forth and left and right through the squeezed paper, and then the paper document is positioned up and down through a squeezing device; and finally, punching the positioned paper document by using a punching device. It should be noted that the size and position of the two compressing plates and the size and position of the compressing plate are set according to actual requirements, so as not to affect the functions thereof (refer to the structure of fig. 4).
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. The utility model provides a mechanical perforating device for business administration which characterized in that includes:
a weight increasing base (1);
the end point of the cambered surface of the hemispherical entity (6) is connected to the weight increasing base (1) through a universal joint;
the fixing plate (7) is arranged on the plane of the hemispherical entity (6);
the two connecting pieces are respectively arranged on two opposite side surfaces of the fixed plate (7) and are detachably connected with the weight increasing base (1);
the placing box (8) is of a non-top and non-bottom cuboid structure, is arranged at the top of the fixing plate (7) and is used for placing paper documents;
the extruding device is arranged on the weight increasing base (1) and is used for extruding the paper documents;
and the punching device is arranged on the weight increasing base (1) and is used for rotationally punching the paper file.
2. The mechanical perforator for industrial and commercial operations as claimed in claim 1, wherein each of said connectors comprises:
the connecting block (71) is arranged on the side surface of the fixing plate (7), and a threaded hole is formed in the connecting block (71);
the threaded rod (72) is sequentially screwed into the threaded hole and the threaded groove in the weight increasing base (1).
3. The mechanical perforating device for industrial and commercial administration as claimed in claim 1, characterized in that said fixing plate (7) is provided with a punched hole (73), said punched hole (73) being located below said perforating device;
the inner bottom surface of the punched hole (73) is provided with a spring (73-1), the free end of the spring (73-1) is connected with a transverse plate (73-2), and when the spring (73-1) is in a free state, the top surface of the transverse plate (73-2) and the top surface of the fixing plate (7) are in the same plane.
4. The mechanical perforating device for industrial and commercial administration as claimed in claim 1, characterized in that the adjacent two sides of said placing box (8) are provided with a pressing device; the pressing device comprises:
the compacting plate (81) is arranged inside the placing box (8);
one end of the spring group (82) is connected with the squeezing plate (81), and the other end of the spring group is connected with one inner side surface of the placing box (8);
two pull ropes (83) are respectively tied at the end parts of the two sides of the compacting plate (81), and the free ends of the pull ropes penetrate through the through holes on the placing box (8) and are tied on a pull ring (84);
the supporting column (85) is arranged outside the placing box (8) and close to the top surface of the fixing plate (7) of the squeezing plate (81), and a hook (85-1) matched with the pull ring (84) is arranged on the side surface of the supporting column (85).
5. The mechanical perforator for industrial and commercial operations as claimed in claim 1, wherein said pressing means comprises:
a pressing plate (95) located above the placing box (8);
the lifting device is arranged on the weight increasing base (1), is fixedly connected with the extrusion plate (95) and is used for driving the extrusion plate (95) to extrude the paper documents in the placing box (8).
6. The mechanical perforating device for industrial and commercial management as claimed in claim 5, wherein said lifting means comprises:
the screw (91) is rotatably arranged on the weight increasing base (1), and a threaded sleeve (93) is arranged on the screw (91) in a threaded manner;
the guide rod (92) is fixedly arranged on the weight increasing base (1), a sliding groove is formed in the side wall of the guide rod (92), a connecting rod (96) is arranged in the sliding groove in a sliding mode, and the connecting rod (96) is connected with the threaded sleeve (93);
and one end of the L-shaped rod (94) is connected with the center of the top surface of the extrusion plate (95), and the other end of the L-shaped rod is connected with the threaded sleeve (93).
7. The mechanical perforating device for industrial and commercial management as claimed in claim 6, wherein said lifting means further comprises:
the bottom of the fixing ring (3) is fixed to the top of the guide rod (92), and an annular groove (31) is formed in the top surface of the fixing ring (3);
the rotating ring (4) is sleeved outside the fixed ring (3), and the rotating ring (4) is higher than the fixed ring (3); four rotating rods (41) are arranged in the rotating ring (4), and the four rotating rods (41) are connected to the screw rod (91);
the four arc-shaped blocks (42) are respectively arranged on the four rotating rods (41), and the arc-shaped blocks (42) are slidably arranged in the annular groove (31).
8. The mechanical perforating device for industrial and commercial administration of claim 7, characterized in that the bottom of each arc-shaped block (42) is provided with a ball.
9. The mechanical perforator for industrial and commercial operations as claimed in claim 1, wherein said punch means comprises:
a punch (53) located above the placing box (8);
and the rotary lifting device is arranged on the weight increasing base (1) and used for driving the punch (53) to rotate and move downwards to punch the paper documents in the placing box (8).
10. The mechanical perforator for industrial and commercial operations as claimed in claim 9, wherein said rotary lifting means comprises:
the supporting rod (2) is arranged on the weight increasing base (1);
the threaded cylinder (51) is fixed on the side wall of the support rod (2) through a connecting rod (54);
and one end of the rotating screw rod (52) is connected with the punch (53), and the other end of the rotating screw rod is threaded on the threaded cylinder (51) and is connected with the rotating handle.
CN202111385233.4A 2021-11-22 2021-11-22 Mechanical punching device for industrial and commercial management Active CN114012819B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111385233.4A CN114012819B (en) 2021-11-22 2021-11-22 Mechanical punching device for industrial and commercial management

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111385233.4A CN114012819B (en) 2021-11-22 2021-11-22 Mechanical punching device for industrial and commercial management

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Publication Number Publication Date
CN114012819A true CN114012819A (en) 2022-02-08
CN114012819B CN114012819B (en) 2023-10-24

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CN207127991U (en) * 2017-09-19 2018-03-23 王小汶 Electromagnetism card punch
CN207789116U (en) * 2018-01-11 2018-08-31 诸暨市中承机械科技有限公司 A kind of hydraulic oil pipe cutting equipment
CN207984365U (en) * 2018-02-12 2018-10-19 咸阳师范学院 A kind of attachment means of imitative Chinese literature Gu volume
CN108789584A (en) * 2018-08-22 2018-11-13 袁绍雷 A kind of efficient clamping and positioning tooling of pvc pipe fittings
CN209223919U (en) * 2019-01-07 2019-08-09 刘国凯 A kind of easy-to-mount PLC controller
CN210211766U (en) * 2019-06-13 2020-03-31 安阳学院 Economic management file binding means that punches
CN210363038U (en) * 2019-05-08 2020-04-21 石家庄财经职业学院 Efficient paper file book-binding machine
CN212045063U (en) * 2020-02-28 2020-12-01 漳州龙文维克信息技术有限公司 Perforating device for financial affairs voucher with collect waste material function
CN213439203U (en) * 2020-08-21 2021-06-15 天津新光凯乐汽车零部件有限公司 Automobile parts production is with spacing frock

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100619131B1 (en) * 2006-03-31 2006-09-01 (주)포스트오에이 Automatic perforator
KR20140008170A (en) * 2012-07-11 2014-01-21 정점미 Paper punching apparatus for bound
CN204936547U (en) * 2015-09-18 2016-01-06 黑龙江民族职业学院 A kind of reorganizer of accounting voucher binder
CN204997722U (en) * 2015-09-29 2016-01-27 潜山县传文瓜子有限公司 Novel trichosanthes root slicer
CN206152730U (en) * 2016-09-14 2017-05-10 上海市东方医院 Tumbler blood specimen rocker
CN207127991U (en) * 2017-09-19 2018-03-23 王小汶 Electromagnetism card punch
CN107804086A (en) * 2017-12-04 2018-03-16 邓海运 A kind of papery office appliance perforating device
CN207789116U (en) * 2018-01-11 2018-08-31 诸暨市中承机械科技有限公司 A kind of hydraulic oil pipe cutting equipment
CN207984365U (en) * 2018-02-12 2018-10-19 咸阳师范学院 A kind of attachment means of imitative Chinese literature Gu volume
CN108789584A (en) * 2018-08-22 2018-11-13 袁绍雷 A kind of efficient clamping and positioning tooling of pvc pipe fittings
CN209223919U (en) * 2019-01-07 2019-08-09 刘国凯 A kind of easy-to-mount PLC controller
CN210363038U (en) * 2019-05-08 2020-04-21 石家庄财经职业学院 Efficient paper file book-binding machine
CN210211766U (en) * 2019-06-13 2020-03-31 安阳学院 Economic management file binding means that punches
CN212045063U (en) * 2020-02-28 2020-12-01 漳州龙文维克信息技术有限公司 Perforating device for financial affairs voucher with collect waste material function
CN213439203U (en) * 2020-08-21 2021-06-15 天津新光凯乐汽车零部件有限公司 Automobile parts production is with spacing frock

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