CN209937090U

CN209937090U - Soft material puncher

Info

Publication number: CN209937090U
Application number: CN201920108387.0U
Authority: CN
Inventors: 刘彦君
Original assignee: Shanghai Huifeng Dental Technology Co Ltd
Current assignee: Shanghai Huifeng Dental Technology Co Ltd
Priority date: 2019-01-22
Filing date: 2019-01-22
Publication date: 2020-01-14
Anticipated expiration: 2029-01-22

Abstract

The utility model discloses a soft materials hole puncher relates to the perforating device field. The technical key points are as follows: the utility model provides a soft materials hole puncher, includes the perforating rod, and the one end edge of perforating rod is provided with the cutting edge, and the dashpot has been seted up to the one end that the perforating rod is close to the cutting edge, and the bleeder vent has been seted up to perforating rod week side, and the bleeder vent is linked together with the dashpot. The utility model has the advantages of convenient operation and improved safety.

Description

Soft material puncher

Technical Field

The utility model relates to a perforating device field, more specifically say, it relates to a soft materials hole puncher.

Background

Punching is an operation of forming holes in a solid material by a punching device, and when punching holes in materials such as soft paper, plastic film, and leather, punching is generally performed by a tubular punching device.

The utility model discloses a hollow drill for soft material in chinese utility model patent that application number is CN201320088339.2, including drilling rod, setting at the cutting edge of drilling rod one end and the play bits through-hole of setting in the drilling rod, the drilling rod other end is provided with the general draw-in groove that links to each other with equipment. Use the utility model discloses the time, install the drill bit in the frame, put the material that will punch and predetermine the position, the drill bit is pushing down in-process drilling rod rotation, and the cutting edge can spiral decline at the in-process that punches like this.

The above prior art solutions have the following drawbacks: above-mentioned hollow drill bit when punching soft materials, need earlier with install the drill bit on the rig just can punch, need dismantle the drill bit after the use, very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soft materials hole puncher, it has convenient operation, improves the advantage of security.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a soft materials hole puncher, includes the perforating rod, the one end edge of perforating rod is provided with the cutting edge, the dashpot has been seted up to the one end that the perforating rod is close to the cutting edge, the discharge opening has been seted up to perforating rod week side, the discharge opening is linked together with the dashpot.

Through adopting above-mentioned technical scheme, the one end that the cutting edge was kept away from to the perforating rod is solid form, and at the soft materials in-process that punches, the staff can directly press the solid end of perforating rod after aiming at soft materials, and the cutting edge can punch to soft materials, and after punching, soft materials's piece can get into the dashpot, treats that the piece in the dashpot is full of the dashpot after, and the staff can follow the discharge opening and take out soft materials, makes things convenient for staff's operation.

Further, the dashpot is cylindricly, one side that the cutting edge was kept away from to discharge opening and dashpot is linked together, the discharge opening is slope setting and its opening keeps away from the cutting edge, dashpot inner wall and discharge opening inner wall arc transition.

Through adopting above-mentioned technical scheme, after the piece in the dashpot is full of the dashpot, when punching next time, soft materials' piece can extrude the piece in the dashpot, and the piece that is close to the discharge opening can be followed the discharge opening and is fallen, need not artifical manual piece of taking out, convenient operation.

Further, the perforating rod is cylindric, the perforating rod week side is provided with the slide along its axis direction symmetry, the slide is located between cutting edge and the discharge opening, it is parallel with the perforating rod axis to be provided with compression spring and compression spring's axis in the slide, compression spring's one end and slide inner wall fixed connection, compression spring's the other end is fixed with supplementary piece and supplementary piece protrusion in slide, the protrusion end of supplementary piece is provided with the safety ring that cup joints with the perforating rod towards the cutting edge direction, the one end protrusion in the cutting edge that the safety ring is close to the cutting edge.

By adopting the technical scheme, when the hole is not punched, the compression spring is always in a stretching shape, the safety ring always protrudes out of the cutting edge, and the situation that a worker accidentally touches one end of the cutting edge to be injured when the worker holds and holds the hole puncher is avoided; when punching, the staff directly presses the solid end of perforating pole behind aiming at soft materials, and compression spring drives the safety ring and together contracts, and the cutting edge can punch to soft materials, not only convenient operation improves the security of hole puncher moreover.

Further, a limiting rod is coaxially arranged in the compression spring, one end of the limiting rod is fixedly connected with the slide way, and a gap is formed between the other end of the limiting rod and the auxiliary block.

Through adopting above-mentioned technical scheme, the gag lever post is spacing to compression spring, avoids compression spring to break away from the slide, improves the stability of hole puncher.

Furthermore, one end of the punching rod, which is far away from the cutting edge, is provided with a pressing block, and the area of the side wall of the pressing block, which is far away from the punching rod, is larger than the area of the side wall of the punching rod, which is far away from the cutting edge.

Through adopting above-mentioned technical scheme, according to the lifting device, can increase the lifting device's area of force according to the briquetting, be favorable to the staff to press the operation, convenient operation.

Furthermore, one side of the pressing block, which is far away from the punching rod, is provided with a soft rubber pad.

Through adopting above-mentioned technical scheme, at the in-process that punches, staff's finger and soft rubber pad contact, soft rubber pad plays cushioning effect, convenient operation to the finger when compressing tightly the pressing block.

Furthermore, a plurality of anti-skidding grooves are formed in the periphery of the pressing block.

Through adopting above-mentioned technical scheme, at the in-process that punches, when piece and soft materials do not separate completely, need rotatory press the briquetting, press the anti-skidding recess on the briquetting to improve the frictional force of finger and press the briquetting, convenient operation.

Furthermore, the annular edge of the circumferential side of the pressing block, which is connected with the side wall of the pressing block, is provided with a fillet.

Through adopting above-mentioned technical scheme, when the rotatory piece of pressing according to, the strength that needs use is great, and the fillet can avoid pressing the piece edge and be in the finger that cuts the staff when rotatory, improves the security of hole puncher.

Furthermore, the periphery of the punching rod is provided with threads.

Through adopting above-mentioned technical scheme, the screw thread increases the coefficient of friction of the pole week side of punching, and the staff of being convenient for takes to hold between the fingers the pole of punching when punching, avoids skidding and causes the incident, and convenient operation improves the security.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) through arranging the punching rod and the cutting blade and arranging the buffer groove and the discharge hole on the punching rod, after punching, scraps of the soft material are accumulated in the buffer groove and then discharged through the discharge hole, so that the operation is convenient;

(2) the pressing block and the soft rubber pad are arranged, so that the pressing is convenient for workers to press and the operation is convenient;

(3) by arranging the anti-skidding groove and the threads, the hands of workers are prevented from skidding with a puncher during punching, so that the safety is improved, and the operation is convenient;

(4) by arranging the safety ring and the compression spring, the contact between workers and the cutting edge is avoided, and the safety is improved; set up the fillet on pressing the briquetting, avoid the staff to be cut when rotatory pressing the briquetting, improve the security.

Drawings

Fig. 1 is an overall schematic view of the present invention;

FIG. 2 is a schematic structural view of the present invention for removing the safety ring;

FIG. 3 is a partially enlarged view of the connecting structure of the stop lever;

fig. 4 is a schematic sectional view of the plane a-a in fig. 2.

Reference numerals: 1. a punching rod; 2. a cutting edge; 3. a buffer tank; 4. a discharge hole; 5. a slideway; 6. a compression spring; 7. an auxiliary block; 8. a safety ring; 9. a limiting rod; 10. a pressing block; 11. a soft rubber pad; 12. an anti-slip groove; 13. and (4) threading.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Referring to fig. 1 and 2, a soft material punch includes a cylindrical punch rod 1, and a thread 13 is coaxially provided on the circumferential side of the punch rod 1. One end edge of the punching rod 1 is provided with an annular cutting edge 2. One end of the punching rod 1 close to the cutting edge 2 is provided with a cylindrical buffer groove 3, the periphery of the punching rod 1 is obliquely provided with a cylindrical discharging hole 4 and a discharging hole 4 opening to be away from the cutting edge 2, and the discharging hole 4 is communicated with one end of the buffer groove 3 away from the cutting edge 2. Referring to fig. 4, an arc-shaped surface is arranged between the side wall of the buffer slot 3 far away from the cutting edge 2 and the side wall of the buffer slot 3 far away from the discharge hole 4, so that the buffer slot 3 and the discharge hole 4 are in arc transition. After punching, soft materials's piece is piled up in buffer slot 3, discharges through discharge opening 4 afterwards, convenient operation.

Referring to fig. 2 and 3, the punching rod 1 is symmetrically provided with strip-shaped slideways 5 along the axial direction of the punching rod, and the slideways 5 are located between the cutting blade 2 and the discharge hole 4. A compression spring 6 is arranged in the slide way 5, and the axis of the compression spring 6 is parallel to the axis of the punching rod 1. One end of the compression spring 6 is welded with the inner wall of the slideway 5, the other end of the compression spring is welded with a cuboid auxiliary block 7, and one end, far away from the buffer groove 3, of the auxiliary block 7 protrudes out of the slideway 5. The coaxial cylindric gag lever post 9 that is provided with in compression spring 6, the one end and the slide 5 welding of gag lever post 9, the other end is equipped with the clearance with supplementary piece 7, and gag lever post 9 is spacing to compression spring 6, avoids compression spring 6 to break away from slide 5, improves the stability of hole puncher.

The protruding end of auxiliary block 7 is provided with annular safety ring 8 towards cutting edge 2 direction, and safety ring 8 is close to the one end protrusion of cutting edge 2 in cutting edge 2, sets up safety ring 8 and can avoid the staff to touch cutting edge 2 one end because of the accident and be injured when holding between the fingers the hole puncher, improves the security.

Referring to fig. 4, the one end welding that the cutting edge 2 was kept away from to the perforating rod 1 has cylindric pressing block 10, and the diapire area that presses block 10 is greater than the roof area of perforating rod 1, presses block 10 increase lifting surface area, makes things convenient for the staff to punch. The circular edge of the pressing block 10 connected with the side wall at the peripheral side is chamfered. The fillet avoids cutting the staff's finger when the edge of pressing the piece 10 is in the rotation, improves the security of hole puncher. The circumference of the pressing block 10 is uniformly provided with a plurality of oval anti-slip grooves 12, so that the friction force between the fingers and the pressing block 10 is improved. A soft rubber pad 11 is pasted on one side, away from the punching rod 1, of the pressing block 10, and the soft rubber pad 11 is convenient for a worker to press and operate.

The utility model discloses a working process and beneficial effect as follows: when punching is needed, the puncher is taken, the cutting direction of the cutting edge 2 is fixed through the punching rod 1, the cutting edge 2 is aligned to the soft material, then the pressing block 10 is pressed, the compression spring 6 drives the safety ring 8 to contract together, and the cutting edge 2 punches the soft material; after the punching is finished, the puncher is lifted, the compression spring 6 carries the safety ring 8 to extend together, and the safety ring 8 protrudes out of the cutting edge 2. When continuously punching, soft materials's piece can be stored in dashpot 3, along with clastic increase, the piece can pass through dashpot 3 and transition to discharge opening 4 and discharge from discharge opening 4, not only convenient operation, the security is high moreover.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The soft material puncher comprises a punching rod (1) and is characterized in that a cutting edge (2) is arranged at the edge of one end of the punching rod (1), a buffer groove (3) is formed in one end, close to the cutting edge (2), of the punching rod (1), discharge holes (4) are formed in the periphery of the punching rod (1), and the discharge holes (4) are communicated with the buffer groove (3); the punching rod (1) is cylindrical, slide ways (5) are symmetrically arranged on the circumferential sides of the punching rod (1) along the axis direction of the punching rod, the slide ways (5) are located between the cutting edges (2) and the discharge holes (4), compression springs (6) are arranged in the slide ways (5), the axes of the compression springs (6) are parallel to the axis of the punching rod (1), one ends of the compression springs (6) are fixedly connected with the inner wall of the slide ways (5), auxiliary blocks (7) are fixed at the other ends of the compression springs (6), the auxiliary blocks (7) protrude out of the slide ways (5), safety rings (8) sleeved with the punching rod (1) are arranged at the protruding ends of the auxiliary blocks (7) towards the cutting edges (2), and one ends, close to the cutting edges (2), of the safety rings (8) protrude out of the cutting edges (2); one end of the punching rod (1) far away from the cutting edge (2) is provided with a pressing block (10), and the area of the side wall of the punching rod (1) far away from the pressing block (10) is larger than the area of the side wall of the punching rod (1) far away from the cutting edge (2).

2. The soft material hole puncher according to claim 1, wherein the buffer groove (3) is cylindrical, the discharge hole (4) is communicated with one side of the buffer groove (3) far away from the cutting edge (2), the discharge hole (4) is arranged in an inclined manner, an opening of the discharge hole is far away from the cutting edge (2), and an inner wall of the buffer groove (3) is in arc transition with an inner wall of the discharge hole (4).

3. The soft material puncher according to claim 1, wherein a limiting rod (9) is coaxially arranged in the compression spring (6), one end of the limiting rod (9) is fixedly connected with the slide way (5), and the other end of the limiting rod is provided with a gap with the auxiliary block (7).

4. The soft material perforator as claimed in claim 1, wherein a soft rubber pad (11) is provided on the side of the pressing block (10) away from the perforator rod (1).

5. The soft material puncher according to claim 4, wherein a plurality of anti-slip grooves (12) are formed on the periphery of the pressing block (10).

6. A soft material perforator as claimed in claim 5 wherein the annular edge of the pressing block (10) where the peripheral side is connected to the side wall is provided with a rounded corner.

7. A soft material perforator according to claim 1 wherein the perforating rod (1) is provided with a thread (13) on the periphery.