Elastic positioning perforating machine

Abstract

The utility model relates to an elastic positioning perforating machine, which comprises a perforating mechanism body, a positioning mechanism, an elastic positioning mechanism and an elastic positioning mechanism, one side part of the perforating mechanism body is provided with a side crack for inserting paper, and the perforating mechanism body is provided with at least one hole pressing cutter for perforating the paper; extension blocks are arranged on the two sides of the punching mechanism body. The extension block is provided with an elastic positioning column, the elastic positioning column extends out of the upper end face of the extension block, and when the elastic positioning column is pressed, the elastic positioning column can retract into the extension block. And positioning and multi-time punching can be assisted, and the operation of single-time punching is not affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to office stationery equipment field especially, it is a kind of elastic positioning puncher. BACKGROUND

[0002] In the current student supplies field, there are often a lot of learning materials and test papers etc., in order to arrange these files into books. And some office books need to replace inner pages to continue to use after writing. It is necessary to punch the files or inner pages, and after punching, the files or new inner pages are placed in the book, and can be consulted or replaced at any time. When arranging batch paper into books and binding, multiple holes are usually needed, and the number of holes needed is more, some paper needs to be punched once, and some paper needs to be punched more than twice, especially for large size paper, which needs to be shifted, aligned and punched more than twice, so it is particularly important to set auxiliary positioning structure on puncher. SUMMARY

[0003] The utility model provides a kind of elastic positioning puncher to overcome at least one problem in the above-mentioned, can assist positioning multiple punching, and do not affect the operation of single punching.

[0004] The technical scheme adopted by the utility model to solve its technical problems is: a kind of elastic positioning puncher, including: including punch mechanism body, one side has the side clamping gap for inserting paper, punch mechanism body has at least one hole pressing knife, and paper is punched;

[0005] The both sides of punch mechanism body have extension block;Elastic positioning column is provided on the extension block, and elastic positioning column protrudes from the upper end surface of extension block, and when elastic positioning column is subjected to pressure, it can retract into extension block.

[0006] As preferred, the punch mechanism body includes a base plate;The extension block is arranged on both sides of the base plate;The base plate is provided with a counterbore groove on both sides, and the side of the counterbore groove is provided with a buckle gap;Elastic positioning column is arranged in the counterbore groove, and a spring is arranged between elastic positioning column and counterbore groove, and the side of elastic positioning column is provided with a limit protruding buckle corresponding to the buckle gap, and the limit protruding buckle slides in the buckle gap.

[0007] As preferred, the punching mechanism body comprises a guide hole support arranged on the base plate, the guide hole support comprises a lower plate and an upper clamping block, and the lower plate and the upper clamping block form the side clamping gap; the guide hole support is provided with a plurality of knife holes, the knife holes penetrating the clamping gap, the upper clamping block and the lower plate, and penetrating the side clamping gap; the upper clamping block is provided with side supports on both sides, and the side supports are provided with shaft hole grooves and guide sliding grooves; the guide sliding groove is provided with a synchronous shaft, and the synchronous shaft is provided with the punching knives corresponding to the number of the knife holes, and the synchronous shaft drives the punching knives to move up and down; the guide hole support is provided with a lower pressing cover plate, and the lower pressing cover plate is rotationally arranged on the side support to drive the synchronous shaft to move.

[0008] As preferred, the inside of the base plate is a containing cavity, which can accommodate the punching knives at the lower low point and store the punching waste paper scraps, and the upper part of the base plate is provided with a bottom plate opening slot with a countersunk groove structure for installing the guide hole support, and the bottom of the base plate has an openable flip cover.

[0009] As preferred, the lower pressing cover plate is provided with downwardly extending side positioning edges covering the guide hole support; the side positioning edges are provided with central fulcrum holes, and the central fulcrum holes are installed with fixed shafts penetrating the central fulcrum holes on both sides and the shaft hole grooves, so that the lower pressing cover plate forms a rotating pressing mechanism with the fixed shaft as the center; the side positioning edges are provided with guide point holes for installing the synchronous shaft, and the synchronous shaft is installed in the guide point holes at both ends after penetrating the guide sliding groove; the lower pressing cover plate drives the synchronous shaft to move.

[0010] As preferred, the lower pressing cover plate and the guide hole support have a locking mechanism therebetween, which comprises a clamping groove arranged at the bottom end of the guide sliding groove and a clamping step arranged at one end of the synchronous shaft, and in use, when the lower synchronous shaft is pressed to the lowest point, the synchronous shaft is pushed to make the clamping step enter the clamping groove, thereby forming a locking effect.

[0011] As preferred, the front end of the shaft hole groove is an open structure, so that the fixed shaft can be adjusted and slid laterally.

[0012] As preferred, the knife holes of the upper clamping block are provided with upwardly extending hole seats having lifting guide effect.

[0013] As preferred, the bottom of the upper clamping block is a step groove, and the step groove and the lower plate form a clamping gap for placing the paper to be punched.

[0014] As preferred, the lower pressing cover plate is provided with a front limiting edge connected with the side positioning edges on both sides to form a whole; the fixed shaft is sleeved with a reset torsional spring, and the two end torsional arms of the reset torsional spring are respectively attached to the inner wall of the lower pressing cover plate and the upper part of the upper clamping block, so as to provide upward elastic force to the lower pressing cover plate, and the lower pressing cover plate is kept in the state before punching.

[0015] The utility model discloses an elastic positioning puncher, has the elastic positioning column, needs multiple punchings, can assist positioning, accurate punching. One time can punch five holes simultaneously, when single punching, paper is pressed on the elastic positioning column, and the elastic positioning column drops, and single punching's operation is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model is further explained in connection with the drawings and examples.

[0017] Figure 1 It is the whole structure schematic diagram of the elastic positioning puncher described in the utility model;

[0018] Figure 2 It is the side structure schematic diagram of the elastic positioning column position of the elastic positioning puncher described in the utility model;

[0019] Figure 3 It is the mounting structure enlarged schematic diagram of the elastic positioning column in the utility model; Figure 2

[0020] Figure 4 It is the explosion decomposition schematic diagram of the elastic positioning puncher described in the utility model;

[0021] Figure 5 It is the side structure schematic diagram in the utility model; Figure 4

[0022] Figure 6 It is the lower pressing cover plate structure schematic diagram of the elastic positioning puncher described in the utility model;

[0023] Figure 7 It is the base plate structure schematic diagram of the elastic positioning puncher described in the utility model.

[0024] 1, lower plate, 2, upper clamp block, 21, step groove, 11, knife hole, 12, buckle position, 22, hole seat, 23, side clamping seam, 24, side support, 25, shaft hole groove, 26, guide sliding slot, 27, clamping groove, 31, pressing hole cutter, 32, synchronous shaft, 33, clamping step, 4, lower pressing cover plate, 41, side positioning edge, 42, center fulcrum hole, 43, guide point hole, 44, auxiliary pressing rib, 45 front limit edge, 46, fixed shaft, 5, reset torsional spring, 6, base plate, 61, containing cavity, 62, bottom plate opening slot, 63, buckle groove, 64, extension plate, 65, stud hole, 7, rubber pad, 71, buckle point, 72, flip cover, 8, elastic positioning column, 81, limit protruding buckle, 9, counterbore groove, 91, buckle position gap, 92, spring. DETAILED DESCRIPTION

[0025] ​​The utility model will be further explained in detail in connection with the drawings. These drawings are all simplified schematic diagrams, and only schematically show the basic structure of the utility model, so they only show the structure related to the utility model.

[0026] As Figures 1-5 shown, the elastic positioning puncher is composed of a punching mechanism body elastic positioning column 8, and can punch multiple holes at the same time.

[0027] Referring to Figure 4 , one side of the punching mechanism body has a side clamping gap 23 for inserting paper, and the punching mechanism body has at least one punching knife 31 for punching the paper; in this embodiment, there are five punching knives 31, which can punch five holes at the same time.

[0028] Referring to Figure 7 , the punching mechanism body has two extension blocks 64; the extension blocks are provided with elastic positioning columns 8, the elastic positioning columns 8 protrude from the upper end surface of the extension blocks 64, and when the elastic positioning columns 8 are subjected to pressure, they can retract into the extension blocks 64.

[0029] The punching mechanism body is composed of a base plate 6, a guide hole support, and a lower pressing cover plate 4.

[0030] Referring to Figure 1 , 3 , 7, the extension blocks 64 are arranged on both sides of the base plate 6, and the base plate 6 is provided with a counterbore groove 9 on both sides, the side of the counterbore groove 9 is provided with a buckle gap 91, the elastic positioning columns 8 are arranged in the counterbore groove 9, and a spring 92 is arranged between the elastic positioning columns 8 and the counterbore groove 9, the side of the elastic positioning columns 8 is provided with a limiting protrusion buckle 81 corresponding to the buckle gap 91, and the limiting protrusion buckle 81 slides in the buckle gap 91.

[0031] When multiple punching is needed, the existing elastic positioning columns 8 are sleeved on the elastic positioning columns 8, which can assist in positioning and accurate punching. Five holes can be punched at the same time, and when single punching is performed, the paper is pressed on the elastic positioning columns 8, the elastic positioning columns 8 are lowered, and the operation of single punching is not affected.

[0032] Referring to Figure 4 , 5, the guide hole support is arranged on the base plate 6, the guide hole support comprises a lower plate 1 and an upper clamping block 2, and a side clamping gap 23 is formed between the lower plate 1 and the upper clamping block 2; the guide hole support is provided with a plurality of knife holes 11, the knife holes 11 penetrate the clamping gap, the upper clamping block 2 and the lower plate 1, and pass through the side clamping gap 23; the two sides of the upper clamping block 2 are provided with side supports 24, the side supports 24 are provided with shaft hole grooves 25 and guide sliding grooves 26; the guide sliding groove 26 is provided with a synchronous shaft 32, the synchronous shaft 32 is provided with a plurality of pressing hole knives 31 corresponding to the number of the knife holes 11, and the synchronous shaft 32 drives the pressing hole knives 31 to move up and down; the guide hole support is provided with a lower pressing cover plate 4, the lower pressing cover plate 4 is rotationally arranged on the side support 24 and drives the synchronous shaft 32 to move.

[0033] Referring to Figure 7 , the inside of the base plate 6 is a containing cavity 61, which can accommodate the pressing hole knife 31 when it is lowered and store the punching waste paper scraps, and the upper part of the base plate 6 is provided with a bottom plate opening groove 62 with a counterbore groove structure, which is used for installing the guide hole support, and the bottom of the base plate 6 has an openable flip cover 72.

[0034] Referring to Figure 6 , the lower pressing cover plate 4 is provided with downwardly extending side positioning edges 41, which cover the guide hole support; the side positioning edges 41 are provided with central fulcrum holes 42, the central fulcrum holes 42 are provided with fixed shafts 46, the fixed shafts 46 pass through the central fulcrum holes 42 on the two sides and the shaft hole grooves 25, so that the lower pressing cover plate 4 forms a rotating pressing mechanism with the fixed shaft 46 as the center; the side positioning edges 41 are provided with guide point holes 43, which are used for installing the synchronous shaft 32, the synchronous shaft 32 is installed in the guide point holes 43 at both ends after passing through the guide sliding groove 26; the lower pressing cover plate 4 drives the synchronous shaft 32 to move.

[0035] Referring to Figure 4 , 5 , the lower pressing cover plate 4 and the guide hole support have a locking mechanism, which comprises a clamping groove 27 arranged at the bottom end of the guide sliding groove 26 and a clamping step 33 arranged at one end of the synchronous shaft 32; when the lower synchronous shaft 32 is pressed to the lowest point, the clamping step 33 enters the clamping groove 27, so that the locking effect is formed.

[0036] The lower pressing cover plate is provided with a locking mechanism, so that it is easy to place when not in use and the space occupied by the puncher is saved. The guide hole support adopts an alloy die-casting support, so that the puncher is more durable in use.

[0037] Referring to Figure 5 , the front end of the shaft hole groove 25 is an open structure, so that the fixed shaft 46 can be adjusted and slid horizontally.

[0038] Referring to Figure 4The upper clamping block 2 has a knife hole 11 with an upwardly extending hole seat 22, which serves as a lifting guide. The bottom of the upper clamping block 2 is a stepped groove 21, which forms a gap with the lower plate 1 for placing the paper to be punched.

[0039] See Figure 4 , 6 The lower cover plate 4 is provided with a front limiting edge 45, and the two ends are connected to the side positioning edge 41 to form a whole; a reset torsion spring 5 is sleeved on the fixed shaft 46, and the two ends of the reset torsion spring 5 are respectively attached to the inner wall of the lower cover plate 4 and the upper part of the upper clamping block 2, and the upward elastic force on the lower cover plate 4 keeps the lower cover plate 4 in the state before drilling.

[0040] Specifically, the upper torsion arm of the reset torsion spring 5 is attached to the front limit edge 45, and the torsion arm has a bent extension to increase the contact surface and improve the elastic effect, so as to reset the lower cover plate 4 after drilling.

[0041] See Figure 7 The base plate 6 has an internal cavity 61 that can accommodate the punching knife 31 when the lowering point is reached, and store punching waste paper scraps; the upper part has a countersunk groove structure with an opening slot 62 for installing the guide hole bracket.

[0042] The synchronous shaft 32 can slide left and right. The punch 31 has a through hole in its middle, through which the synchronous shaft 32 enters. One end of the synchronous shaft 32 has a locking step 33, and the bottom end of the guide groove 26 has a locking groove 27, forming a locking mechanism for the lower cover plate 4. In use, when the synchronous shaft 32 is pressed down into the locking groove 27, pushing the synchronous shaft 32 causes the locking step 33 to enter the locking groove 27, creating a locking effect and saving space occupied by the punching machine. (See also...) Figure 2 After locking, the rear side of the base plate 6 is aligned with the rear end of the lower cover plate 4, saving space during placement.

[0043] See Figure 4 The lower plate 1 can be equipped with a snap-fit ​​12 around its perimeter, and the side edge of the bottom plate opening slot 62 is equipped with a corresponding snap-fit ​​groove 63, which can be snapped into the side edge snap-fit ​​groove 63 of the bottom plate opening slot 62 for easy installation.

[0044] Specifically, the lower plate 1 has a snap-fit ​​12 at its front end, which can be snapped into one side edge of the opening slot 62 of the base plate; furthermore, the lower plate 1 and the upper clamping block 2 of the guide hole bracket have through positioning holes, and the opening slot 62 of the base plate is provided with stud holes 65. After installation, the positioning holes are fitted onto the stud holes 65, and after screws are installed in the stud holes 65, the guide hole bracket and the lower plate 1 are fixed.

[0045] See Figure 4The bottom of the base plate 6 is provided with a rubber pad 7, and the base plate 6 is attached to the rubber pad 7 to form a containing cavity 61, which has a paper scrap storage function; the outer periphery of the base plate 6 is a downward flange structure, so as to be attached to the rubber pad 7 to form the containing cavity 61. Moreover, the base plate 6 and the rubber pad 7 have a plurality of buckling points 71 and buckling holes, which are convenient for installation. The bottom has a flip opening, which can pour out the punched waste paper after being opened.

[0046] The containing cavity 61 forms a paper scrap storage bin, which is convenient for storing the paper scrap after being punched, and the paper scrap can be poured out after being filled.

[0047] In the embodiment, the flip 72 is arranged on the rubber pad 7, and a flange is arranged between the flip 72 and the rubber pad 7.

[0048] In the embodiment, the rubber pad 7 is made of PP rubber, which ensures that the flip 72 of the containing cavity 61 is not broken when being opened and closed.

[0049] Based on the above ideal embodiment of the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and the technical scope must be determined according to the scope of the claims.

Claims

1. An elastic positioning puncher characterized by, The utility model relates to a punch mechanism, including: The punch mechanism body has at least one punch knife for punching paper; The punch mechanism body has two extension blocks on both sides; the extension blocks are provided with elastic positioning columns; the elastic positioning columns extend from the upper end surface of the extension blocks; when the elastic positioning columns are subjected to pressure, they can retract into the extension blocks.

2. A spring-loaded positioning punch according to claim 1, characterized in that: The punch mechanism body includes a base plate; the extension blocks are arranged on both sides of the base plate; the base plate is provided with counterbore grooves on both sides; the counterbore grooves are provided with clamping position notches on the side portions; the elastic positioning columns are arranged in the counterbore grooves; springs are arranged between the elastic positioning columns and the counterbore grooves; the elastic positioning columns are provided with limiting protrusion buckles corresponding to the clamping position notches on the side portions; the limiting protrusion buckles slide in the clamping position notches.

3. A spring-loaded positioning punch according to claim 2, characterized in that: The punch mechanism body includes a guide hole support arranged on the base plate; the guide hole support includes a lower plate block and an upper clamping block; the lower plate block and the upper clamping block form the side clamping seam; the guide hole support is provided with a plurality of knife holes; the knife holes pass through the clamping seam, the upper clamping block, and the lower plate block and pass through the side clamping seam; the upper clamping block is provided with side supports on both sides; the side supports are provided with shaft hole grooves and guide sliding grooves; the guide sliding grooves are provided with synchronous shafts; the synchronous shafts are provided with the punch knives corresponding to the number of the knife holes; the synchronous shafts drive the punch knives to move up and down; the guide hole support is provided with a lower pressing cover plate; the lower pressing cover plate is rotationally arranged on the side supports and drives the synchronous shafts to move.

4. A spring-loaded positioning punch according to claim 3, characterized in that: The inside of the base plate is a containing cavity that can accommodate the punch knives when they are lowered and store punch waste paper scraps; the upper portion of the base plate is provided with a bottom plate opening groove with a counterbore groove structure for installing the guide hole support; the bottom portion of the base plate has an openable flip cover.

5. A spring-loaded positioning punch according to claim 4, characterized in that: The lower pressing cover plate is provided with downwardly extending side positioning edges that cover the guide hole support; the side positioning edges are provided with central fulcrum holes; fixed shafts are installed in the central fulcrum holes; the fixed shafts pass through the central fulcrum holes and the shaft hole grooves on both sides, so that the lower pressing cover plate forms a rotating pressing mechanism with the fixed shaft as the center; the side positioning edges are provided with guide point holes for installing the synchronous shafts; after the synchronous shafts pass through the guide sliding grooves, the two ends are installed in the guide point holes; the lower pressing cover plate drives the synchronous shafts to move.

6. A spring-loaded positioning punch according to claim 5, characterized in that: The lower pressing cover plate and the guide hole support have a locking mechanism, including a clamping position groove arranged at the bottom end of the guide sliding groove and a clamping position step arranged at one end of the synchronous shaft; when the lower synchronous shaft is pressed to the lowest point, the clamping position step enters the clamping position groove, forming a locking effect.

7. A spring-loaded positioning punch according to claim 5, characterized in that: The front end of the shaft hole groove is an open structure, allowing the fixed shaft to slide horizontally.

8. A spring-loaded positioning punch according to claim 3, characterized in that: The knife holes of the upper clamping block are provided with upwardly extending hole seats that have lifting guide functions.

9. A spring-loaded positioning punch according to claim 3, characterized in that: The bottom of the upper clamping block is a step groove; the step groove and the lower plate block form a clamping seam for placing paper to be punched.

10. A spring-loaded positioning punch according to claim 6, characterized in that: The lower pressing cover plate is provided with a front limiting edge connected to the side positioning edges on both sides to form a whole; the fixed shaft is sleeved with a reset torsional spring; the two end torsional arms of the reset torsional spring are respectively attached to the inner wall of the lower pressing cover plate and the upper portion of the upper clamping block; the reset torsional spring provides an upward elastic force to the lower pressing cover plate, keeping the lower pressing cover plate in a state before punching.

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