CN205096327U - Manual punching machine - Google Patents

Abstract

The utility model discloses a manual punching machine, its technical scheme main points go up the actuating mechanism of mould up -and -down motion including frame, the fixed lower mould that sets up in the frame, the last mould that can reciprocate along the direction of height of frame, drive, and actuating mechanism is including articulating the depression bar in the frame, the top butt of depression bar and last mould, butt department is near the articulated department in depression bar and frame. In the drive during mould downstream only need with the depression bar to pushing down, thereby because the mode shift is gone up through the lever principle drive to the depression bar moves, consequently the operation get up more laborsavingly, limit by operating personnel's strength, the extensive popularization of being convenient for, at the removal in -process of last mould, there is not the potential safety hazard that has the fracture because of the lifting surface area is little in actuating mechanism, is favorable to increase of service life, and the depression bar is through this actuating mechanism with last mould butt of the articulated back with the frame moreover, and connection structure is simple, be simultaneously external, consequently the maintenance maintain more simple and convenient, be favorable to reducing cost of maintenance.

Description

Hand punch

Technical field

The utility model relates to a kind of perforating device, and more particularly, it relates to a kind of hand punch.

Background technology

Puncher, equipment very common in machinery plant, also can be called drilling machine, but punching with boring or distinct, for boring, need adopt driving mechanism to drive the rotation of drill bit; And for punching, its drill bit not necessarily needs driving mechanism, such as: desktop type hand punch, match in the hole be provided with mainly through vent needle and bed die, completes the punching of bound document.

But some specific field, it cannot launch automated production, or the cost of automated production is very high, can only select hand for small business, and according to automation equipment, its production cost is very high.

At present, application number on market be 201310403576.8 Chinese patent disclose a kind of hand punch, it comprises the bed die be arranged on work top, vertically be arranged on the locating dowel on work top, to be set in locating dowel and the locating module be positioned at above bed die, and the mandrel that be arranged on locating module on parallel with locating dowel, be arranged on the vent needle of mandrel bottom, and the governor motion for regulating mandrel to move up and down along its length direction, bed die has the locating slot placing parts to be processed, vent needle is positioned at directly over locating slot, and the hole coordinated with vent needle is provided with at the bottom land of locating slot.Although this puncher can reduce use cost, below existing, use hidden danger: 1, rack and pinion engagement coordinates, and realizes drive hole pin and moves axially, if and stressed comparatively great Yi makes tooth burst apart during engagement, therefore service life is shorter, repairs complex operation simultaneously, and maintenance cost is high; 2, because governor motion is all that mode manually carries out regulating, therefore in engagement process, need mode manually that vent needle is moved axially, and which needs larger power to carry out rotating drive handle, thus add the degree of difficulty of use, be unfavorable for extensive popularization.

Utility model content

For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of hand punch, this puncher rapid operation, long service life.

For achieving the above object, the utility model provides following technical scheme: a kind of hand punch, comprise frame, the counterdie be fixedly installed in frame, the patrix that can move up and down along the short transverse of frame, drive the driving mechanism that moves up and down of patrix, described driving mechanism includes the depression bar be articulated with in frame, described depression bar abuts with the top of patrix, and abutting place is close to the hinged place of depression bar and frame.

Further, described frame roughly arranges in E character form structure and includes push rod, cross bar, base, and described patrix axial slip is connected on cross bar, is positioned at above counterdie after described patrix one end penetrates cross bar, and the other end abuts with depression bar through after push rod.

Further, described frame is provided with the resetting-mechanism for the patrix that resets.

Further, described resetting-mechanism includes the spring be sheathed on outside patrix, and described patrix is provided with the spacing ring abutted with spring one end, and the other end of described spring is connected to the side relative to push rod on cross bar.

Further, the top of described counterdie is provided with cutter head, and the lower end of described patrix offers the tool bore matched with cutter head.

Further, described depression bar is provided with the conflict block abutted with patrix, and the side that described conflict block abuts with patrix is that arc structure is arranged.

Further, described frame is provided with the position-limit mechanism of spacing depression bar rotational travel.

Further, described position-limit mechanism includes the screw rod be threaded with frame.

Driving patrix only to need by depression bar to pressing down when moving downward, because depression bar drives patrix to move by lever principle, therefore operating more laborsaving, can not limit by the strength of operating personnel, be convenient to extensive popularization; In the moving process of simultaneously patrix, there is not the potential safety hazard that there is cracking because lifting surface area is little in driving mechanism, therefore be conducive to increasing the service life, and depression bar is by hinged rear this driving mechanism abutted with patrix with frame, syndeton is simple, be external, therefore maintenance maintenance gets up more simple and convenient simultaneously, is conducive to reducing maintenance cost.

Accompanying drawing explanation

Fig. 1 is the stereochemical structure schematic views of hand punch;

Fig. 2 is the planar structure schematic views of hand punch.

Reference numeral: 1, frame; 11, push rod; 12, cross bar; 13, base; 2, counterdie; 21, cutter head; 3, patrix; 31, spacing ring; 4, depression bar; 41, conflict block; 5, spring; 6, screw rod.

Detailed description of the invention

Below in conjunction with accompanying drawing, a preferred embodiment of the present utility model is described in detail.The identical Reference numeral of wherein identical parts represents.It should be noted that, the word "front", "rear" of use is described below, "left", "right", "up" and "down" refer to direction in accompanying drawing, word " bottom surface " and " end face ", " interior " and " outward " refer to the direction towards or away from particular elements geometric center respectively.

With reference to shown in Fig. 1, a kind of hand punch, comprise frame 1, the counterdie 2 be fixedly installed in frame 1, the patrix 3 that can move up and down along the short transverse of frame 1, drive the driving mechanism that moves up and down of patrix 3, driving mechanism includes the depression bar 4 be articulated with in frame 1, depression bar 4 abuts with the top of patrix 3, and abutting place is close to the hinged place of depression bar 4 and frame 1.This driving mechanism only needs depression bar 4 to pressing down when driving patrix 3 to move downward, due to depression bar 4 by lever principle thus drive patrix 3 move, and the place of abutting is close to the hinged place of depression bar 4 and frame 1, therefore operate more laborsaving, can not limit by the strength of operating personnel, be convenient to extensive popularization; In the moving process of simultaneously patrix 3, it is little and there is the potential safety hazard of cracking to there is not lifting surface area because of engaging tooth in driving mechanism, but make its axial slip by depression bar 4 patrix 3 end of conflicting, therefore be conducive to increasing the service life, and depression bar 4 is by hinged rear this driving mechanism abutted with patrix 3 with frame 1, syndeton is simple, only need the mode that is bolted both can be articulated with in frame 1 by depression bar 4, be external simultaneously, also it is facilitated to dismantle, therefore maintenance maintenance gets up more simple and convenient, is conducive to reducing maintenance cost.

With reference to shown in Fig. 2, frame 1 roughly arranges in E character form structure and includes push rod 11, cross bar 12, base 13, be parallel to each other between push rod 11, cross bar 12, base 13, patrix 3 axial slip is connected on cross bar 12, be positioned at after patrix 3 one end penetrates cross bar 12 above counterdie 2, the other end is through abutting with depression bar 4 after push rod 11, and patrix 3 makes patrix 3 only can realize axial slip after penetrating push rod 11 and cross bar 12 simultaneously, make patrix 3 away from or close counterdie 2 time slippage more stable; The convenient resetting-mechanism arranged between push rod 11 and cross bar 12 for the patrix 3 that resets of this structure of frame 1 simultaneously, can make depression bar 4 after cancelling and turning lower applied pressure by resetting-mechanism, patrix 3 can be driven to move up, simultaneously by depression bar 4 jack-up, this process not only makes patrix 3 away from counterdie 2 after drilling, can realize facilitating feeding, also facilitate next step to operate simultaneously, after depression bar 4 jack-up, directly to lower moulded rod 4 in upper once drill process, be conducive to improving working (machining) efficiency.

With reference to shown in Fig. 2, resetting-mechanism includes the spring 5 be sheathed on outside patrix 3, patrix 3 is provided with the spacing ring 31 abutted with spring 5 one end, the other end of spring 5 is connected to the side relative to push rod 11 on cross bar 12, when depression bar 4 is exerted pressure downwards, patrix 3 slippage downwards, drive spacing ring 31 slippage downwards, thus Compress Spring 5, make spring 5 elasticity of saving potential energy, after completing drilling process, operative employee removes the pressure be applied on depression bar 4, spring 5 discharges elastic potential energy, by upwards pushing away spacing ring 31, make patrix 3 upwards slippage, simultaneously by depression bar 4 around hinged place jack-up, structure is simple and easy to implement, the convenient reset being realized patrix 3 by spring 5.

With reference to shown in Fig. 2, the top of counterdie 2 is provided with cutter head 21, and the lower end of patrix 3 offers the tool bore matched with cutter head 21.Cutter head 21 also can be arranged on patrix 3, tool bore also can be arranged on counterdie 2, cutter head 21 is preferably arranged on counterdie 2 by the application, tool bore is arranged on patrix 3, if this be due to cutter head 21 be arranged on patrix 3 time, patrix 3 is inconvenient to aim at reserved position in slipping, when this is owing to being placed on counterdie 2 by paper to be punctured, patrix 3 has certain distance apart from paper, cannot judge that patrix 3 is pressing down on the position of falling in process by naked eyes, therefore when cutter head 21 is arranged on counterdie 2, can conveniently aim at when paper is placed on counterdie 2, therefore the degree of accuracy improving punch position is conducive to.

With reference to shown in Fig. 1, depression bar 4 is provided with the conflict block 41 abutted with patrix 3, and the side that conflict block 41 abuts with patrix 3 is that arc structure is arranged.Depression bar 4 passes through the end abutment of conflict block 41 and patrix 3, and depression bar 4 is when rotating around hinged place, and the conflict block 41 that circular arc is arranged makes depression bar 4 more steady in the process of axle center slippage, is conducive to the smoothness improving hole on paper when punching.

With reference to shown in Fig. 1, frame 1 is provided with the position-limit mechanism of spacing depression bar 4 rotational travel.Make depression bar 4 in rotation process, avoid stroke excessive by position-limit mechanism and cause patrix 3 and counterdie 2 to be damaged.This position-limit mechanism can be realized by the screw rod 6 be threaded with frame 1, and the simple and convenient easy enforcement of structure, frame 1 offers screwed hole, and use is screwed in by screw rod 6, can also by the stroke regulating the height exposing screw rod 6 to regulate depression bar 4.

Below be only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (8)

1. a hand punch, comprise frame, the counterdie be fixedly installed in frame, the patrix that can move up and down along the short transverse of frame, drive the driving mechanism that moves up and down of patrix, it is characterized in that: described driving mechanism includes the depression bar be articulated with in frame, described depression bar abuts with the top of patrix, and abutting place is close to the hinged place of depression bar and frame.

2. hand punch according to claim 1, it is characterized in that: described frame roughly arranges in E character form structure and includes push rod, cross bar, base, described patrix axial slip is connected on cross bar, be positioned at above counterdie after described patrix one end penetrates cross bar, the other end abuts with depression bar through after push rod.

3. hand punch according to claim 2, is characterized in that: described frame is provided with the resetting-mechanism for the patrix that resets.

4. hand punch according to claim 3, it is characterized in that: described resetting-mechanism includes the spring be sheathed on outside patrix, described patrix is provided with the spacing ring abutted with spring one end, and the other end of described spring is connected to the side relative to push rod on cross bar.

5. hand punch according to claim 1 and 2, is characterized in that: the top of described counterdie is provided with cutter head, and the lower end of described patrix offers the tool bore matched with cutter head.

6. hand punch according to claim 1 and 2, is characterized in that: described depression bar is provided with the conflict block abutted with patrix, and the side that described conflict block abuts with patrix is that arc structure is arranged.

7. hand punch according to claim 1, is characterized in that: described frame is provided with the position-limit mechanism of spacing depression bar rotational travel.

8. hand punch according to claim 7, is characterized in that: described position-limit mechanism includes the screw rod be threaded with frame.