CN203608884U - Piercing and riveting mechanism of semi-automatic dotter - Google Patents

Abstract

The utility model discloses a piercing and riveting mechanism of a semi-automatic dotter. The piercing and riveting mechanism comprises a main shaft, an upper die, a piercing rod, a piercing rod compressed spring, a positioning sleeve and a lower die, wherein the lower end of the main shaft is provided with an internal threaded hole and a main shaft positioning hole, the upper die with an external thread coordinates in the internal threaded hole, the piercing rod penetrates through in the inner hole of the upper die and is fixed on the upper die through a locking nut, the lower end of the piercing rod is provided with a concave arc surface, the middle part of the piercing rod is sleeved by a piercing rod compressed spring and a positioning sleeve, the lower die is coaxially mounted right below the upper die and the piercing rod, a punching hole is disposed on the lower die, and the inner diameter of the punching hole is the same as the outer diameter of a punching end of the piercing rod. According to the mechanism provided by the utility model, piercing and riveting are performed at a time, buttonholes are automatically and continuously fed, the working efficiency is high, and the working intensity is low; and the piercing and riveting mechanism is compact in structure, durable in die, safe in operation, convenient to carry, attractive in appearance of the riveted buttonholes and secure, and can be widely applied to tarpaulins, paper products, bags, clothing leather products, stationery, light fixture, rain gears and the like.

Description

Semi-automatic dotter punching riveting mechanism

Technical field

The utility model relates to beats button equipment technical field, specifically relates to a kind of semi-automatic dotter punching riveting mechanism.

Background technology

Existing manual dotter is beating higher materials of hardness such as canvas, paulin classes while buckleing, can only be first by manually carrying out manual punching hole, laying buttonhole, and then riveted.Shortcomings is: manual operations is dangerous, discontinuous, and labour intensity is large, inefficiency, and outward appearance after buttonhole Manual riveting is plain, insecure.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of semi-automatic dotter punching riveting mechanism that can overcome above-mentioned deficiency, it can realize punching and riveted one-shot forming, buttonhole mechanical feed, carry out continuously, operating efficiency is high, labour intensity is low, and handling safety is easy to carry, mould is durable, and after buttonhole riveted, outward appearance is beautiful, firm.

In order to solve the problems of the technologies described above, the utility model is taked following technical scheme:

Semi-automatic dotter punching riveting mechanism comprises main shaft, patrix, jumper bar, jumper bar stage clip, positioning sleeve, counterdie, wherein: be provided with internal thread hole and main shaft orientation hole in the lower end of main shaft, be combined with externally threaded patrix in above-mentioned internal thread hole; In the endoporus of patrix, be penetrated with jumper bar, by locking nut, jumper bar be fixed on patrix; Be provided with the arc surface concaving in the lower end of jumper bar, be arranged with jumper bar stage clip, positioning sleeve at the middle part of jumper bar; Counterdie is installed with one heart under patrix and jumper bar; On counterdie, be provided with hole punching, this hole punching internal diameter is identical with the die-cut end external diameter of jumper bar.

Described patrix is provided with patrix locating surface and patrix locating hole.

The two ends up and down of described jumper bar are relatively provided with a pair of concentric centre hole, are also provided with jumper bar locating surface in jumper bar upper end.

The upper end of described jumper bar stage clip contacts with the inner chamber step surface of patrix, and the lower end of this jumper bar stage clip contacts with the upper surface of positioning sleeve, and the lower surface of this positioning sleeve contacts with the lower end step surface of jumper bar.

Described counterdie is arranged in die shoe, and this die shoe is packed on base.

On described counterdie, be also provided with sky tool bore, this sky tool bore communicates up and down with hole punching, and the empty tool bore internal diameter that is positioned at bottom is greater than superposed hole punching internal diameter.

Described die shoe is provided with material-dropping hole, and the material-dropping hole on this die shoe communicates with the empty tool bore on counterdie.

Also comprise fuselage; One side roof part of described fuselage and be positioned at handle under position be provided with a vertical threaded bore, in above-mentioned vertical threaded bore, be combined with lower limit screw.

The opposite side top of described fuselage is provided with a horizontal screw, in above-mentioned horizontal screw, is combined with upper limit screw; Handle abuts against the tail end of upper limit screw while reset.

On described fuselage, arm pivot post is installed, handle is fixed on arm pivot post; This handle is also connected by connecting rod rotating shaft with one end of connecting rod, and the other end of this connecting rod is connected with the upper end of main shaft by main shaft rotating shaft; Be arranged with main shaft stage clip in the middle part of main shaft.

Compared with the prior art the utility model, has following beneficial effect:

The utility model is applied to semi-automatic dotter, and its punching and riveted one-shot forming, are carried out continuously at buttonhole mechanical feed, and operating efficiency improves more than 20 times, and labour intensity is low; Compact conformation, mould is durable, and handling safety is easy to carry, and after buttonhole riveted, outward appearance is beautiful, firm; Can be widely used in the punching riveted of tarpaulin, paper products, case and bag, dress ornament leatherware, the erosion of stationery lamp, rain gear etc.

accompanying drawing explanation

Fig. 1 is partial sectional view of the present utility model;

Fig. 2 is the enlarged drawing of A portion in Fig. 1.

Part description in Fig. 1-Fig. 2:

1, fuselage; 2, handle; 3, connecting rod; 4, lower limit screw; 5, main shaft; 5-1, internal thread hole; 5-2, main shaft orientation hole; 6, upper limit screw; 7, main shaft stage clip; 8, patrix; 8-1, patrix locating hole; 8-2, patrix locating surface; 9, jumper bar; 9-1, jumper bar locating surface 9-2, a pin hole 9-3, arc surface; 10, counterdie; 10-1, hole punching; 10-2, empty tool bore; 11, lock-screw; 12, die shoe; 12-1, material-dropping hole; 13, base; 14, locking nut; 15, jumper bar stage clip; 16, positioning sleeve.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

As seen from Figure 1, Figure 2, the semi-automatic dotter punching of the utility model riveting mechanism comprises handle 2, connecting rod 3, main shaft 5, main shaft stage clip 7, patrix 8, jumper bar 9, jumper bar stage clip 15, positioning sleeve 16, counterdie 10, die shoe 12, base 13, fuselage 1, wherein:

As shown in Figure 1, on fuselage 1, arm pivot post is installed, handle 2 is fixed on arm pivot post; This handle 2 is also formed and is rotationally connected by connecting rod rotating shaft with one end of connecting rod 3, and the other end of this connecting rod 3 is formed and is rotationally connected by the upper end of main shaft rotating shaft and main shaft 5; Be arranged with main shaft stage clip 7 in the middle part of main shaft.

A side roof part of fuselage 1 and be positioned at handle 2 under position be provided with a vertical threaded bore, in above-mentioned vertical threaded bore, be combined with lower limit screw 4.Be provided with a horizontal screw at the opposite side top of fuselage 1, in above-mentioned horizontal screw, be combined with upper limit screw 6, handle abuts against the tail end of upper limit screw 6 while reset.

The effect of lower limit screw 4 is: limit the stroke that moves up and down of handle 2, thereby it is spacing to realize riveted degree of tightness.When adjustment, be rotated down lower limit screw 4, can make the stroke that handle 2 moves down increase, thereby the riveted that makes buttonhole tightlier; Otherwise, rotate up lower limit screw 4, can make the stroke that handle 2 moves down reduce, thereby make the riveted pine of buttonhole.

The effect of upper limit screw 6 is: adjust upper limit screw 6, can guarantee that the die-cut end of jumper bar and the top of buttonhole keep rational fit-up gap.The adjustment of upper limit screw 6 is by inwardly or realize to inner rotary upper limit screw.

As shown in Figure 2, be provided with internal thread hole 5-1 in the lower end of main shaft 5, in above-mentioned internal thread hole, be combined with externally threaded patrix 8.Also be provided with main shaft orientation hole 5-2 in the lower end of main shaft 5, the effect of this main shaft orientation hole 5-2 is: guarantee that main shaft 5 is concentric with patrix 8.

On patrix 8, be provided with patrix locating surface 8-2, the effect of this patrix locating surface 8-2 is: guarantee that patrix 8 and main shaft 5 closely cooperate.On patrix 8, be also provided with patrix locating hole 8-1, the effect of this patrix locating hole 8-1 is: guarantee that patrix 8 is concentric with jumper bar 9.

In the endoporus of patrix 8, be penetrated with jumper bar 9, by locking nut 14, jumper bar 9 be fixed on patrix 8.Be provided with jumper bar locating surface 9-1 in jumper bar upper end, the effect of this jumper bar locating surface 9-1 is: guarantee that jumper bar 9 and patrix 8 can closely be solidly installed.Relatively be provided with a pair of concentric centre hole 9-2 at the two ends up and down of jumper bar 9, be also provided with the arc surface 9-3 concaving in jumper bar lower end, this arc surface 9-3 is for punching.The effect of a pair of centre hole 9-2 is: jumper bar is with long afterwards, and the arc surface edge of a knife meeting rust of the die-cut end of jumper bar, for whetting a knife.

As shown in Figure 2, be arranged with jumper bar stage clip 15 and positioning sleeve 16 at the middle part of jumper bar 9; The upper end of this jumper bar stage clip 15 contacts with the inner chamber step surface of patrix 8, and the lower end of this jumper bar stage clip contacts with the upper surface of positioning sleeve 16, and the lower surface of this positioning sleeve contacts with the lower end step surface of jumper bar 9.The effect of this positioning sleeve 16 is: guarantee buttonhole can vertical drop to counterdie 10.

Under patrix 8 and jumper bar 9, counterdie 10 is installed with one heart.This counterdie 10 is arranged in die shoe 12, counterdie is held out against fixing by lock-screw 11 from die shoe lateral surface; This die shoe 12 is packed on base 13 by soket head cap screw again.On counterdie 10, be provided with the hole punching 10-1 and the empty tool bore 10-2 that communicate up and down, the empty tool bore internal diameter that is positioned at bottom is greater than superposed hole punching internal diameter.Hole punching internal diameter on counterdie is identical with the die-cut end external diameter of jumper bar.Die shoe 12 is provided with the material-dropping hole 12-1 for the waste material that falls, and the material-dropping hole 12-1 on this die shoe communicates with the empty tool bore 10-2 on counterdie.Hole punching 10-1 is for punching, and empty tool bore 10-2 and material-dropping hole 12-1 are used for falling waste material.

The operation principle of the semi-automatic dotter punching of the utility model riveting mechanism is:

When handle 2 presses down, drive jumper bar 9 to fall by connecting rod 3, main shaft 5,, jumper bar imports buttonhole when the whereabouts, drives a buttonhole to fall by positioning sleeve 16; In the time that the die-cut end-grain cutting of jumper bar 9 enters counterdie 10, positioning sleeve 16 and contacts counterdie 10, positioning sleeve 16 moves outwardly and in patrix 8, and handle 2 touches lower limit screw 4, and buttonhole riveted completes.

Then, handle 2 automatically resets to upper limit screw 6 under the elastic force effect of main shaft stage clip 7; Automatically reset in process at handle, main shaft 5 moves up, and drives patrix 8 and jumper bar 9 also to move up, and under the effect of jumper bar stage clip 15, positioning sleeve 16 is again ejected from patrix 8, and whole punching riveted process completes.

Claims (10)

1. semi-automatic dotter punching riveting mechanism, is characterized in that,

A, comprise main shaft (5), patrix (8), jumper bar (9), jumper bar stage clip (15), positioning sleeve (16), counterdie (10), wherein:

B, be provided with internal thread hole (5-1) and main shaft orientation hole (5-2) in the lower end of main shaft (5), in above-mentioned internal thread hole, be combined with externally threaded patrix (8);

C, in the endoporus of patrix (8), be penetrated with jumper bar (9), by locking nut (14), jumper bar (9) be fixed on patrix (8); Be provided with the arc surface (9-3) concaving in the lower end of jumper bar (9), be arranged with jumper bar stage clip (15), positioning sleeve (16) at the middle part of jumper bar (9);

D, under patrix (8) and jumper bar (9), counterdie (10) is installed with one heart; On counterdie (10), be provided with hole punching (10-1), this hole punching internal diameter is identical with the die-cut end external diameter of jumper bar (9).

2. semi-automatic dotter punching riveting mechanism as claimed in claim 1, is characterized in that, described patrix (8) is provided with patrix locating surface (8-2) and patrix locating hole (8-1).

3. semi-automatic dotter punching riveting mechanism as claimed in claim 1 or 2, it is characterized in that, the two ends up and down of described jumper bar (9) are relatively provided with a pair of concentric centre hole (9-2), are also provided with jumper bar locating surface (9-1) in jumper bar upper end.

4. semi-automatic dotter punching riveting mechanism as claimed in claim 3, it is characterized in that, the upper end of described jumper bar stage clip (15) contacts with the inner chamber step surface of patrix (8), the lower end of this jumper bar stage clip contacts with the upper surface of positioning sleeve (16), and the lower surface of this positioning sleeve contacts with the lower end step surface of jumper bar (9).

5. semi-automatic dotter punching riveting mechanism as claimed in claim 4, is characterized in that, described counterdie (10) is arranged in die shoe (12), and this die shoe (12) is packed on base (13).

6. semi-automatic dotter punching riveting mechanism as claimed in claim 5, it is characterized in that, on described counterdie (10), be also provided with sky tool bore (10-2), this sky tool bore communicates up and down with hole punching (10-1), and the empty tool bore internal diameter that is positioned at bottom is greater than superposed hole punching internal diameter.

7. semi-automatic dotter punching riveting mechanism as claimed in claim 6, it is characterized in that, described die shoe (12) is provided with material-dropping hole (12-1), and the material-dropping hole (12-1) on this die shoe communicates with the empty tool bore (10-2) on counterdie.

8. semi-automatic dotter punching riveting mechanism as claimed in claim 1, is characterized in that, also comprises fuselage (1); One side roof part of described fuselage (1) and be positioned at handle (2) under position be provided with a vertical threaded bore, in above-mentioned vertical threaded bore, be combined with lower limit screw (4).

9. semi-automatic dotter punching riveting mechanism as claimed in claim 8, it is characterized in that, the opposite side top of described fuselage (1) is provided with a horizontal screw, in above-mentioned horizontal screw, be combined with upper limit screw (6), handle abuts against the tail end of upper limit screw 6 while reset.

10. semi-automatic dotter punching riveting mechanism as claimed in claim 9, is characterized in that, described fuselage is provided with arm pivot post on (1), and handle (2) is fixed on arm pivot post; This handle (2) is also formed and is rotationally connected by connecting rod rotating shaft with one end of connecting rod (3), and the other end of this connecting rod (3) is formed and is rotationally connected by the upper end of main shaft rotating shaft and main shaft (5); Be arranged with main shaft stage clip (7) in the middle part of main shaft.

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