CN201519983U

CN201519983U - Labor-saving hole punching machine

Info

Publication number: CN201519983U
Application number: CN2009201790420U
Authority: CN
Inventors: 黃建凯
Original assignee: SHANGHAI GENMES OFFICE PRODUCTS CO Ltd
Current assignee: SHANGHAI GENMES OFFICE PRODUCTS CO Ltd
Priority date: 2008-12-02
Filing date: 2009-09-16
Publication date: 2010-07-07
Anticipated expiration: 2019-09-16

Abstract

The utility model relates to a labor-saving hole punching machine, which comprises a pressing rod, a push rod group, a fixing seat, a plurality of hole punching cutting tool groups, and a base, wherein a concave guide groove is formed on the inner edge of the pressing rod; one end of the pressing rod is a fixed end; the push rod group comprises a first push rod and a second push rod; the sliding ends of the first push rod and the second push rod are arranged in the guide groove of the pressing rod; the fixing seat is provided with a combination pivot block for pivotally connecting the first push rod, the second push rod and the fixing end of the pressing rod; each hole-punching cutting tool group comprises a tool apron, a cutting tool and a flexible component, so that the first push rod, the second push rod and the pressing rod are propped against each other; and the base is used for fixing the fixing seat and the hole-punching cutting tool groups. The first push rod, the second push rod and the pressing rod are designed to perform sectional pressing down actions in sequence, so that the cutting tools can press down and punch holes on papers non-synchronously to stagger the time points and the power of the pressing and the punching actions of the cutting tools, and achieve the labor-saving hole punching efficiency.

Description

Labor-saving hole-punching machine

Technical field

The utility model relates to a kind of labor-saving hole-punching machine, and it is different in the position of holder pivot knot to relate in particular to a kind of pressing lever and push rod group utilized, and then nonsynchronous start presses down punching to paper to cutter can to use lever principle, reaches the puncher structure of laborsaving punching.

Background technology

General common porous perforating machine is to drive plural punching cutter simultaneously downwards to push this upper pressing arm, so that paper is carried out drilling operation, utilize the elastic force of spring again, plural punching cutter is upwards replied, and then drive upper pressing arm and return to original position, to finish the punching action of puncher.

See also Fig. 8, shown in Figure 9, be a kind of puncher structure of prior art, this puncher 6 includes: once seat board 61; One correspondence is mounted on down the holder 62 of seat board 61 ora terminalis; One with the upper pressing arm 63 of holder 62 pivots knot rotation; In addition in

seat board

61,63 of upper pressing arms set firmly plural punching seat 64, the sheathed punching cutter 66 that places an external diameter tool spring 65 in this punching seat 64, the root edge place of the then corresponding upper pressing arm 63 in its top down; During these puncher 6 punching starts, be that the paper that desire is punched directly is placed in the punching groove 67 of puncher 6,, make the edge 68 of punching cutter 66 penetrate paper and present plural hole by exerting pressure of upper pressing arm 63, and after punching is finished

, can be by placing spring 65 elastic returnings that are sheathed on punching cutter 66 external diameters, and then this upper pressing arm 63 of jack-up, to finish the operation of paper punching.

Though said structure has the function of once paper being beaten porous simultaneously, but push the strength of punching at every turn, then decide on the punching number of paper, when punching number of paper the more the time, then need expend bigger strength side and be enough to start, the user is increased burden on the muscle power, so, the necessity of solving is arranged at the puzzlement of prior art.

Summary of the invention

The utility model technical issues that need to address have provided a kind of labor-saving hole-punching machine, are intended to solve the above problems.

In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:

The utility model comprises: a pressing lever, inner edge are arranged with into a guide groove, and this pressing lever one end is a stiff end, for a ccontaining torque spring;

One push rod group, comprise at least two push rods, this first push rod, one end is made as sliding end, and place in the guide groove of this pressing lever, and end is made as stiff end in addition, and this second push rod, one end is made as sliding end, and places in the guide groove of this pressing lever, the sliding end of this second push rod is positioned at the sliding end below of this first push rod, and end is stiff end in addition;

One holder, top be provided with plural corresponding pivot knot in conjunction with the pivot piece, this holder is respectively equipped with plurality of through holes, and is provided with one and supports and end the hole, the stiff end of the stiff end of this first push rod, second push rod, the stiff end of pressing lever respectively pivot tie in this in conjunction with the pivot piece on;

Plural number punching cutter group, comprise plural tool rest, plural cutter, plural elastic parts, this tool rest is to be placed in this holder below, this cutter top wears the perforation of holder, compress for this first push rod, this second push rod and this pressing lever, this cutter wears this tool rest, and this elastic parts cover is should cutter;

One base, the top is fixed for this holder and this punching cutter group.

Compared with prior art, the beneficial effects of the utility model are: the start that presses down that is designed to segmented in regular turn by pressing lever, first push rod and second push rod, make cutter can be nonsynchronous start presses down punching to paper, press down the time point and the strength of punching with the cutter that staggers, can reach the function of laborsaving punching.

Description of drawings

Fig. 1 is an isometric exploded view of the present utility model.

Fig. 2 is a combination schematic diagram of the present utility model.

Fig. 3 is a generalized section of the present utility model.

Fig. 4 is the enforcement schematic diagram of the relative start downwards with first push rod of pressing lever of the present utility model.

Fig. 5 is the enforcement schematic diagram of pressing lever of the present utility model, first push rod and the downward start of second push rod.

Fig. 6 is an enforcement schematic diagram of finishing the punching start of the present utility model.

Fig. 7 is a stereoscopic view of finishing the punching start of the present utility model.

Fig. 8 is the generalized section of puncher in the prior art.

Fig. 9 is a start generalized section in the prior art.

The specific embodiment

Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:

As seen from Figure 1, it comprises: a pressing lever 1, body of rod inner edge are arranged with and form a guide groove 11, are provided with a raised line 12 in guide groove 11 inner edges, and these pressing lever 1 one ends are stiff end 13, for a ccontaining torque spring 14, are equipped with a last item 15 in torque spring 14 tops;

One push rod group 2, comprise at least two push rods, first push rod, 21 1 ends are made as sliding end 211, can establish a wheel body 212 for connecing, and place in the guide groove 11 of pressing lever 1, to replace raised line 12 and to slide, be made as stiff end 213 and hold in addition, and be equipped with a last item 214 in body of rod appropriate location, second push rod, 22 1 ends also are made as sliding end 221, can establish a wheel body 222 for connecing, and place in the guide groove 11 of pressing lever 1, to replace raised line 12 and to slide, the sliding end 221 of second push rod 22 is positioned at sliding end 211 belows of first push rod 21, and end also is a stiff end 223 in addition, and is provided with a flange 224 in body of rod below appropriate location, sees also Fig. 3;

One holder 3, this pedestal top be provided with plural corresponding pivot knot in conjunction with pivot piece 31, this pedestal is respectively equipped with plurality of through holes 32, and be provided with one in the one ora terminalis and support end hole 33, and pedestal below is provided with a junction surface 34, make the stiff end 213,223,13 of this first push rod 21, second push rod 22, pressing lever 1 be able to respectively pivot tie in this in conjunction with pivot piece 31 on; Wherein, this torque spring 14 is and the stiff end 13 synchronous pivot knots of pressing lever 1, make these torque spring 14 1 ends just can wear this and support only hole 33, and end just can supports the bottom that terminates in this last item 15 in addition, and the start restoring force of this pressing lever 1 is provided;

Plural number punching cutter group 4, comprise plural tool rest 41, plural cutter 42, plural elastic parts 43, this tool rest 41 is to be placed in 5 of this holder 3 and bases, tool rest 41 bottoms are provided with a punching groove 411, can wear the perforation 32 of holder 3 on this cutter 42, for compressing of the last item 15 of the flange 224 of the last item 214 of first push rod 21, second push rod 22 and pressing lever 1, cutter can wear tool rest 41 42 times, is provided with a caulking groove 4 in cutter 42

21, can be fixing for a banking stop 422, and elastic parts 43 fit cutters 42 and with banking stop 422 contacts;

One base 5 is fixing for the junction surface 34 of holder 3, and this base 5 is provided with plural tool rest groove 51, inserts fixing for the tool rest 41 of punching cutter group 4.

See also Fig. 1 to shown in Figure 3, when this labor-saving hole-punching machine is established enforcement in group, be earlier cutter 42 to be arranged in the tool rest 41, and with these elasticity unit property 43 fit cutters 42, banking stop 422 clips are fixing in the caulking groove 421 of cutter 42, it is spacing that elastic parts 43 upper limbs are replaced, and respectively the tool rest 41 of this punching cutter group 4 placed the tool rest groove 51 of

base

5 and 3 of holders fixing again; Junction surface 34 with holder 3 combines with base 5 again, and cutter 42 tops are worn the perforation 32 of holder 3; With a last item 15,214 are fixed on this pressing lever 1 and first push rod 21, and the stiff end 13 of pressing lever 1 tied combining in the pivot piece 31 in holder 3 with torque spring 14 synchronous pivots, make these torque spring 14 1 ends just can wear this and support only hole 33, and end just can support the bottom that terminates in this last item 15 in addition, in like manner, with first push rod 21, the stiff end 213 of second push rod 22,223 in regular turn pivot knot be connected in conjunction with in the pivot piece 31, make this last item 214 and this flange 224 just support the upper limb that terminates in cutter 42, and this first push rod 21, second push rod, 22 sliding ends 211,221 wheel body 212,222 just can place in the guide groove 11 of pressing lever 1, and can be resisted against this raised line 12 when start.

See also shown in Figure 3 again, when using this puncher punching, the paper of predetermined punching is inserted in the punching groove 411 of tool rest 41, pressing lever 1 is pushed downwards, and the raised line 12 of this pressing lever 1 is replaced the wheel body 212 of first push rod, 21 sliding ends 211, makes it can be progressively to lower slider in guide groove 11, make last item 214 be compressed cutter 42, and, paper is punched, as shown in Figure 4 progressively to 411 displacements of punching groove; After pushing displacement start one distance downwards to pressing lever 1, the raised line 12 of this pressing lever 1 is replaced the wheel body 222 of second push rod, 22 sliding ends 221, makes its flange 224 be compressed cutter 42, and progressively to 411 displacements of punching groove, paper is punched, as shown in Figure 5; When pushing this pressing lever 1 and approaching to holder 3, the last item 15 of pressing lever 1 compresses cutter 42, and progressively to 411 displacements of punching groove, paper is punched when continuous; The last item 214 of this first push rod 21, the flange 224 of second push rod 22 and the last item 15 of pressing lever 1, also progressively stressed each cutter 42 that compresses, make cutter 42 be passed this punching groove 411 root edges, when this last item 214, flange 224 and last item 15 threes form horizontal level, then finish the punching of this paper, see also Fig. 6, Fig. 7; When decontroling pressing lever 1, elastic parts 43 elastic recoverys on the tool rest 41, make cutter 42 upwards ejection respectively, and then this first push rod 21 of ejection, second push rod 22 and pressing lever 1, simultaneously, during these torque spring 14 elastic recoverys, also synchronous this last item 15 of ejection, and then make this pressing lever 1 return back to original position, as shown in Figure 3; The utilization lever principle, make first push rod 21, second push rod 22 and pressing lever 1 segmentation in regular turn compress cutter 42, can be nonsynchronous start presses down punching to paper, press down the time point and the strength of punching with the cutter 42 that staggers, alleviate the load on user's application of force, so can reach the function of a laborsaving punching.

In sum, the utility model is meant that a kind of pressing lever that utilizes is different in the position of holder pivot knot with the push rod group, and then nonsynchronous start presses down punching to paper to cutter can to use lever principle, press down the time point and the strength of punching with the cutter that staggers, and reach the function of a laborsaving punching, and it constitutes structure and had not seen books and periodicals or public use again.

The above is the know-why that concrete enforcement of the present utility model is used immediately; if comply with the change that conception of the present utility model is done; the function that it produced still end all should be in protection domain of the present utility model when exceeding specification and graphic contain spiritual.

Claims

1. labor-saving hole-punching machine, it is characterized in that comprising: a pressing lever, inner edge are arranged with into a guide groove, and this pressing lever one end is a stiff end, for a ccontaining torque spring;

Plural number punching cutter group comprises plural tool rest, plural cutter, plural elastic parts, and this tool rest is to be placed in this holder below, and this cutter top wears the perforation of holder, and this cutter wears this tool rest, and this elastic parts cover is should cutter;

One base, the top is fixed for this holder and this punching cutter group.

2. labor-saving hole-punching machine according to claim 1 is characterized in that: the guide groove of this pressing lever more comprises a raised line, is arranged at the guide groove inner edge of this pressing lever.

3. labor-saving hole-punching machine according to claim 2, it is characterized in that: this first push rod more comprises a wheel body, be arranged in this sliding end, this wheel body is in the guide groove that places pressing lever, this second push rod more comprises a wheel body, be arranged in this sliding end, this wheel body is in the guide groove that places pressing lever.

4. labor-saving hole-punching machine according to claim 3 is characterized in that: the wheel body of this first push rod is for the raised line of replacing this guide groove and slides that the wheel body of this second push rod is for the raised line of replacing this guide groove and slides.

5. labor-saving hole-punching machine according to claim 1 is characterized in that: this pressing lever more comprises one for the last item of replacing this torque spring, is arranged on this pressing lever.

6. labor-saving hole-punching machine according to claim 5 is characterized in that: should wear for torque spring one end of the start restoring force of this pressing lever to support and end the hole, and in addition end to the bottom that terminates in this last item.

7. labor-saving hole-punching machine according to claim 5 is characterized in that: this first push rod more comprises a last item, is arranged on this first push rod.

8. labor-saving hole-punching machine according to claim 7 is characterized in that: this second push rod more comprises a flange, is arranged at this second push rod below.

9. labor-saving hole-punching machine according to claim 8 is characterized in that also comprising: this cutter top compresses for the last item of this first push rod, the flange of this second push rod and the last item of this pressing lever.

10. labor-saving hole-punching machine according to claim 1 is characterized in that: this cutter more comprises a caulking groove, is arranged on this cutter.

11. labor-saving hole-punching machine according to claim 10 is characterized in that: this cutter more comprises a banking stop for the caulking groove of this cutter of clip.

12. labor-saving hole-punching machine according to claim 11 is characterized in that: this this banking stop lower edge of elastic parts upper limb contact.

13. labor-saving hole-punching machine according to claim 1 is characterized in that: this holder more comprise one for the fixing junction surface of base, be arranged at this holder below.

14. labor-saving hole-punching machine according to claim 1 is characterized in that: this tool rest more comprises a punching groove, is arranged at this tool rest bottom.

15. labor-saving hole-punching machine according to claim 1 is characterized in that: this base more comprises plural number and inserts fixing tool rest groove for the tool rest of this punching cutter group, is arranged on this base.