Adjustable punching machine for paper

Abstract

The utility model discloses an adjustable paper perforating machine relates to office equipment technical field, the utility model discloses an adjustable paper perforating machine, the utility model discloses a work table and protective cover, work table top sliding fit is equipped with symmetrical two side support plate, the inner bottom of side support plate is equipped with first annular groove, the inner top of side support plate passes through and is equipped with the hollow rod in sliding fit, the first annular groove is equipped with second annular groove, the second annular groove is equipped with second annular groove. One end of the hollow rod is in threaded connection with a punching knife in sliding fit with the first annular groove, the handle is wrenched to enable the connecting disc to rotate, so that the connecting rod and the rotating discs on the two sides are driven to rotate, the punching knife moves downwards to punch paper on the lower portion, and meanwhile chippings enter the punching knife. The hollow rod and the guide plate are reset, the push rod pushes the chippings in the hollow rod, the chippings penetrate through the punching knives and are discharged, meanwhile, the guide plate drives the V-shaped collecting plate to reversely move to the position below the two punching knives so as to collect the chippings falling from the hollow rod, the situation that the chippings are scattered everywhere when the punching machine punches holes is avoided, the chippings are cleaned in a concentrated mode, and the punching efficiency is improved. And the working area is always kept clean and tidy.

Description

TECHNICAL FIELD

[0001] The utility model belongs to office equipment technical field, especially, relate to a adjustable paper punch. BACKGROUND

[0002] The paper punch is a kind of equipment for punching neat hole on paper, commonly used in office, file arrangement, handcrafting and other fields, usually adopts lever principle to exert the pressure of punching.When the handle of punch is pressed, the handle is as the power arm of lever, and the force is transmitted to the punch portion of punching through fulcrum, and the punch moves downward under the action of pressure, cooperates with the die below, and cuts the paper.

[0003] The existing paper punch produces debris when punching, and the debris is scattered everywhere, is accumulated on workbench top, ground and equipment around, makes the work area become disorderly, influences overall neatness and aesthetic degree, and easily enters the gap, corner and other difficult-to-reach places of equipment, increases the difficulty and workload of cleaning. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a adjustable paper punch to solve the problems that the existing paper punch produces debris when punching, and the debris is scattered everywhere, causes work area disorderly and cleaning difficult.

[0005] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0006] The utility model discloses a kind of adjustable paper punch, including workbench and protective cover, it is characterized by: the workbench top is slidably cooperated with two symmetrical side support plates, the first annular groove is set in the bottom of side support plate, the hollow rod is slidably cooperated with the top of side support plate and is penetrated, the hollow rod one end is threadedly connected with the punch cutter of the first annular groove slidably cooperated with;

[0007] The hollow rod inner circumferential surface is slidably cooperated with push rod, the push rod one end is fixedly connected with embedding block, the embedding block is fixedly embedded with side support plate, the hollow rod outer circumferential surface is set with the sliding slot of the embedding block slidably cooperated, the hollow rod outer circumferential surface is set with the first spring of the top of side support plate and is cooperated with.

[0008] The utility model is further provided, the second annular groove is set in the hollow rod inner circumferential surface, and the elastic baffle ring is fixedly connected in the second annular groove.

[0009] The utility model further sets up, one side of side support board is rotationally cooperated with side rotary disc, two side rotary discs are penetrated with connecting rod of sliding cooperation, connecting rod is fixedly connected with protective cover, two connecting keys of symmetry are fixedly connected with the connecting rod circumferant surface, two connecting keys are respectively with both sides rotary disc sliding cooperation, the connecting rod center axis deviates side rotary disc center axis, side rotary disc is slidingly cooperated with hollow pole.

[0010] The utility model further sets up, two side support boards are penetrated with mounting plate of sliding cooperation, mounting plate is fixedly connected with protective cover, L shaped board is fixedly connected with the mounting plate top, the L shaped board top is penetrated with the pressure bar of sliding cooperation, the pressure bar one end is slidingly cooperated with the connecting disc.

[0011] The utility model further sets up, connecting disc is fixedly connected with connecting rod, the connecting rod center axis deviates connecting disc center axis, handle is fixedly connected with the connecting disc circumferant surface.

[0012] The utility model further sets up, the pressure bar other end is slidingly cooperated with the guide plate, the guide plate is slidingly cooperated with mounting plate, backboard is fixedly connected with the mounting plate top, second spring is fixedly connected between the guide plate and backboard.

[0013] The utility model further sets up, the guide plate bottom is fixedly connected with V shaped collection plate.

[0014] The utility model has following beneficial effect:

[0015] The utility model discloses a handle is pulled to make connecting disc rotate, to drive connecting rod and both sides rotary disc rotation, make the puncher down, to the paper below is punched and cut, and the scrap enters the inside of puncher, when the handle is pulled and resets, first spring, second spring then respectively drive hollow pole, guide plate reset, and push rod then pushes the scrap in the inside of hollow pole, makes these scrapes pass through puncher and is discharged, and the guide plate drives V shaped collection plate reverse movement to two punchers below, to collect the scrap that falls from hollow pole, avoids the scrap of puncher when punching to scatter, concentrates and clears up the scrap, makes the working area always keep clean and neat.

[0016] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. DRAWINGS

[0017] In order to make the technical scheme of the embodiments of the utility model more clearly, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled person in the art, other drawings can also be obtained according to these drawings without paying the creative labor.

[0018] Figure 1 Figure 1 is a structural schematic diagram of a paper puncher with adjustable structure;

[0019] Figure 2 Figure 2 is a structural schematic diagram of the paper puncher with adjustable structure from a first perspective after removing the protective cover;

[0020] Figure 3 Figure 3 is a structural schematic diagram of the paper puncher with adjustable structure from a first perspective after removing the protective cover.

[0021] Figure 4 Figure 4 is a structural schematic diagram of the mechanism between the two side support plates;

[0022] Figure 5 Figure 5 is a structural schematic diagram of the side support plate;

[0023] Figure 6 Figure 6 is a sectional view of the hollow rod and the internal mechanism thereof;

[0024] Figure 7 Figure 7 is a structural schematic diagram of the guide plate and the V-shaped collection plate;

[0025] Figure 8 Figure 8 is a structural schematic diagram of the handle and the transmission mechanism.

[0026] In the drawings, the components represented by the respective reference numerals are listed as follows:

[0027] 1, workbench; 2, first annular groove; 3, side support plate; 4, hollow rod; 5, punch knife; 6, push rod; 7, embedded block; 8, sliding groove; 9, first spring; 10, second annular groove; 11, elastic retainer ring; 12, connecting rod; 13, side rotating disc; 14, mounting plate; 15, L-shaped plate; 16, pressing rod; 17, connecting disc; 18, handle; 19, guide plate; 20, back plate; 21, second spring; 22, V-shaped collection plate; 23, protective cover; 24, connecting key. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. DETAILED DESCRIPTION

[0030] Please refer to Figures 1-8The utility model discloses a adjustable paper punch, including work head 1, the symmetrical both sides support plate 3 of sliding cooperation has at work head 1 top, the first annular groove 2 is seted up in the inside bottom of side support plate 3, and the first annular groove 2 makes its circular ring inside form a cylinder, and the hollow rod 4 of sliding cooperation is penetrated in the inside top of side support plate 3, and the hollow rod 4 one end is connected with the punch knife 5 (punch knife 5 is tubular punch knife, and the edge is sharp) of sliding cooperation of first annular groove 2 with screw thread, and the punch knife 5 can be detached from the one end of hollow rod 4 by rotating punch knife 5, and the punch knife 5 of different aperture can be replaced, and the different punch demand is satisfied,

[0031] The push rod 6 one end is fixedly connected with the embedded block 7 of sliding cooperation, and the embedded block 7 is fixedly embedded with side support plate 3, so as to fix the push rod 6, and the sliding slot 8 of sliding cooperation is seted up with embedded block 7 in the outer peripheral side of hollow rod 4, and the first spring 9 of locating the inside top of side support plate 3 is cooperated with the outer peripheral side of hollow rod 4, and the second annular groove 10 is seted up in the inner peripheral side of hollow rod 4, and the second annular groove 10 is close to the connecting end of hollow rod 4 and punch knife 5, and the elastic baffle 11 is fixedly connected in the second annular groove 10, and the volume of second annular groove 10 should be greater than elastic baffle 11, when elastic baffle 11 is extruded, elastic baffle 11 generates elastic deformation, and is completely embedded in the second annular groove 10,

[0032] By pushing the hollow rod 4 to move downwards, the punch knife 5 at the one end of the hollow rod 4 is driven to punch and cut the paper below, when the hollow rod 4 moves downwards, the first spring 9 is compressed, so that the elastic force of the first spring 9 drives the hollow rod 4 to reset, when the hollow rod 4 drives the punch knife 5 to punch and cut the paper below, the punch knife 5 is inserted into the first annular groove 2 after passing through the paper, in this process, the cylinder formed in the middle region of the first annular groove 2 pushes the debris generated in the punching process, so that the debris passes through the punch knife 5 and enters the inside of the hollow rod 4, and the paper scraps enter the hollow rod 4 from the punch knife 5 and pass through the elastic baffle 11, which makes the elastic baffle 11 can block the paper scraps in the hollow rod 4 from falling, when the hollow rod 4 resets and moves upwards, the push rod 6 pushes the debris in the hollow rod 4, so that the debris passes through the punch knife 5 and is discharged.

[0033] Specifically, the side support plate 3 is rotatably connected with a side rotating disc 13, the connecting rod 12 is slidably connected between the two side rotating discs 13, the connecting rod 12 is fixedly connected with two symmetrical connecting keys 24, the two connecting keys 24 are slidably connected with the two side rotating discs 13, so that when the connecting rod 12 rotates, the two side rotating discs 13 also rotate synchronously, the connecting rod 12 is fixedly connected with the protective cover 23, the center axis of the connecting rod 12 deviates from the center axis of the side rotating disc 13, the side rotating disc 13 is slidably connected with the hollow rod 4, so as to form a cam mechanism, that is, when the side rotating disc 13 rotates around the connecting rod 12, the distance between the contact point of the side rotating disc 13 and the hollow rod 4 and the center axis of the connecting rod 12 changes, so that the side rotating disc 13 pushes the hollow rod 4 below to move up and down, thereby driving the punching knife 5 to punch the paper below, and the distance between the two punching knives 5 can be adjusted by moving the two side support plates 3 to the two sides respectively and fixedly connecting them through bolts, so as to adapt to the requirements of different hole distances and meet the diversified punching requirements.

[0034] Further, the mounting plate 14 is slidably connected between the two side support plates 3, the mounting plate 14 is fixedly connected with the protective cover 23, the L-shaped plate 15 is fixedly connected to the top of the mounting plate 14, the pressure rod 16 is slidably connected through the top of the L-shaped plate 15, the connecting disc 17 is slidably connected to one end of the pressure rod 16, the connecting disc 17 is fixedly connected with the connecting rod 12, the center axis of the connecting rod 12 deviates from the center axis of the connecting disc 17, and the handle 18 is fixedly connected to the circumferential surface of the connecting disc 17;

[0035] The other end of the pressure rod 16 is slidably connected with the guide plate 19, the guide plate 19 is slidably connected with the mounting plate 14, the back plate 20 is fixedly connected to the top of the mounting plate 14, the second spring 21 is fixedly connected between the guide plate 19 and the back plate 20, the V-shaped collecting plate 22 is fixedly connected to the bottom of the guide plate 19, and the V-shaped collecting plate 22 is located below the two punching knives 5 when collecting the debris generated in the punching process. By pulling the handle 18, the connecting disc 17 is rotated, thereby driving the connecting rod 12 to rotate, and the connecting rod 12 drives the two side rotating discs 13 to rotate, thereby realizing the punching action. When the side rotating disc 13 drives the hollow rod 4 to move downward, the connecting disc 17 also drives the pressure rod 16 to move downward at the same time, the one end of the pressure rod 16 applies downward pressure to the guide plate 19, so that the guide plate 19 moves to one side and compresses the second spring 21, and the guide plate 19 drives the V-shaped collecting plate 22 to move in the same direction, so that the V-shaped collecting plate 22 moves away from below the two punching knives 5 to avoid interfering with the downward movement of the hollow rod 4. When the handle 18 is reset, the first spring 9 and the second spring 21 drive the hollow rod 4 and the guide plate 19 to reset respectively, so that the two punching knives 5 move up to the initial height, and at the same time, the V-shaped collecting plate 22 moves reversely to below the two punching knives 5 to collect the debris falling from the hollow rod 4.

[0036] The operation process of the embodiment is as follows: when the multi-layer paper needs to be punched, the multi-layer paper is stacked on the workbench 1, the handle 18 is pulled to drive the connecting disc 17 to rotate, the connecting rod 12 is driven to rotate, the two side rotating discs 13 are driven to rotate, the hollow rod 4 is driven to move downward and compress the first spring 9, the hollow rod 4 is driven to move downward, the paper below is punched and cut, and the debris enters the inside of the punching knife 5, the cylindrical body formed in the middle region of the first annular groove 2 pushes the debris to pass through the punching knife 5 and enter the inside of the hollow rod 4 and is blocked by the elastic baffle 11 to avoid the paper scraps falling, the connecting disc 17 drives the pressing rod 16 to move downward at the same time, the guide plate 19 moves to one side and compresses the second spring 21, the guide plate 19 drives the V-shaped collecting plate 22 to move in the same direction, the V-shaped collecting plate 22 moves away from below the two punching knives 5, when the handle 18 is pulled back, the first spring 9 and the second spring 21 drive the hollow rod 4 and the guide plate 19 to reset, the push rod 6 pushes the debris in the inside of the hollow rod 4 to pass through the punching knife 5 and be discharged, the two punching knives 5 move to the initial height, and the V-shaped collecting plate 22 moves reversely below the two punching knives 5 to collect the debris falling from the hollow rod 4.

[0037] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0038] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. An adjustable paper punch comprising a table (1) and a guard (23), characterized in that: The workbench (1) top sliding fit with symmetrical two side support plate (3), the first annular groove (2) is set in the bottom of the side support plate (3), the hollow rod (4) is slidably connected with the first annular groove (2) at the top of the side support plate (3), the hollow rod (4) one end threadedly connected with the punch (5); The hollow rod (4) inner circumferential side surface sliding fit with push rod (6), the push rod (6) one end fixedly connected with embedded block (7), the embedded block (7) and side support plate (3) fixedly embedded, the hollow rod (4) outer circumferential side surface set with sliding groove (8) and embedded block (7) sliding fit, the hollow rod (4) outer circumferential side surface sleeve joint fit with the first spring (9) located in the top of the side support plate (3).

2. The adjustable paper punch of claim 1 wherein, The hollow rod (4) inner circumferential side surface set with the second annular groove (10), the second annular groove (10) is fixedly connected with the elastic retainer (11).

3. The adjustable paper punch of claim 2 wherein, The side support plate (3) one side rotation fit with side rotating disc (13), the connecting rod (12) is slidably connected between the two side rotating discs (13), the connecting rod (12) and the protective cover (23) are fixedly connected, the connecting rod (12) circumferential surface is fixedly connected with symmetrical two connecting keys (24), the two connecting keys (24) are slidably connected with the two side rotating discs (13) respectively, the connecting rod (12) center axis deviates from the center axis of the side rotating disc (13), the side rotating disc (13) and the hollow rod (4) are slidably connected.

4. The adjustable paper punch of claim 3 wherein, The mounting plate (14) is slidably connected between the two side support plates (3), the mounting plate (14) and the protective cover (23) are fixedly connected, the L-shaped plate (15) is fixedly connected to the top of the mounting plate (14), the pressure rod (16) is slidably connected with the connecting disc (17) at the top of the L-shaped plate (15).

5. The adjustable paper punch of claim 4 wherein, The connecting disc (17) and the connecting rod (12) are fixedly connected, the connecting rod (12) center axis deviates from the center axis of the connecting disc (17), the connecting disc (17) circumferential surface is fixedly connected with the handle (18).

6. The adjustable paper punch of claim 5 wherein, The pressure rod (16) the other end is slidably connected with the guide plate (19), the guide plate (19) and the mounting plate (14) are slidably connected, the back plate (20) is fixedly connected to the top of the mounting plate (14), the second spring (21) is fixedly connected between the guide plate (19) and the back plate (20).

7. The adjustable paper punch of claim 6 wherein, The V-shaped collecting plate (22) is fixedly connected to the bottom of the guide plate (19).

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